示例#1
0
    def __init__(self, ros_package):
        super(GraphWidget, self).__init__()

        self._current_graph = None
        self._lock = Lock()

        self._load_ui(ros_package)

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        factory = DmgItemFactory()
        factory.set_color(QColor(50, 50, 50))
        factory.set_highlighted_color(QColor(0, 150, 0))
        self._dot_to_qt = DotToQtGenerator(factory)

        self.initialized = False
        self.setObjectName('GraphWidget')

        self.graphics_view.setScene(self._scene)
        self.open_button.setIcon(QIcon.fromTheme('document-open'))
        self.open_button.pressed.connect(self._import)
        self.export_button.setIcon(QIcon.fromTheme('document-export'))
        self.export_button.pressed.connect(self._export)
        self.fit_to_view_button.setIcon(QIcon.fromTheme('zoom-fit-best'))
        self.fit_to_view_button.pressed.connect(self._fit_to_view)

        self.decision_graphs_combo_box.setSizeAdjustPolicy(QComboBox.AdjustToMinimumContentsLength)
        self.decision_graphs_combo_box.currentIndexChanged['QString'].connect(self._graph_item_changed)

        self._dot_processor = DotProcessor(self._dot_to_qt)

        self.decision_graphs = dict()
        self.states = dict()
示例#2
0
    def __init__(self, parent=None):
        super(QCameraView, self).__init__(parent)
        self.scene = QGraphicsScene(self)
        self.setScene(self.scene)
        self._load_default_image()

        self.connect(self, SIGNAL("load_default_image"),
                     self._load_default_image)
示例#3
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    def __init__(self, context):
        super(RosTfTree, self).__init__(context)
        self.initialized = False

        self.setObjectName('RosTfTree')

        self._current_dotcode = None

        self._widget = QWidget()

        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosTfTreeDotcodeGenerator()
        self.tf2_buffer_ = tf2_ros.Buffer()
        self.tf2_listener_ = tf2_ros.TransformListener(self.tf2_buffer_)

        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_tf_tree'), 'resource', 'RosTfTree.ui')
        loadUi(ui_file, self._widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosTfTreeUi')
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self._widget.refresh_graph_push_button.pressed.connect(self._update_tf_graph)

        self._widget.highlight_connections_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.fit_in_view_push_button.setIcon(QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_dot_push_button.setIcon(QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(QIcon.fromTheme('image-x-generic'))
        self._widget.save_as_image_push_button.pressed.connect(self._save_image)

        self._deferred_fit_in_view.connect(self._fit_in_view,
                                           Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        context.add_widget(self._widget)

        self._force_refresh = False
示例#4
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    def __init__(self, camera_topic='/image_raw'):
        super(CameraView, self).__init__()

        self._scene = QGraphicsScene()
        self.bridge = CvBridge()
        self._map_item = 0

        self.image_changed.connect(self._update)

        self._sub = rospy.Subscriber(camera_topic, Image, self.callback)

        self.setScene(self._scene)
示例#5
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    def __init__(self, context):
        self._context = context
        super(ConductorGraph, self).__init__(context)
        self.initialised = False
        self.setObjectName('Conductor Graph')
        self._node_items = None
        self._edge_items = None
        self._node_item_events = {}
        self._edge_item_events = {}
        self._client_info_list = {}
        self._widget = QWidget()
        self.cur_selected_client_name = ""
        self.pre_selected_client_name = ""
        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory=PygraphvizFactory()
        self.dotcode_generator = ConductorGraphDotcodeGenerator()
        self.dot_to_qt = DotToQtGenerator()

        self._graph = ConductorGraphInfo(self._update_conductor_graph_relay,
                                         self._set_network_statisics)

        rospack = rospkg.RosPack()
        ui_file = os.path.join(rospack.get_path('concert_conductor_graph'),
                               'ui', 'conductor_graph.ui')
        loadUi(ui_file, self._widget,
               {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('ConductorGraphUi')

        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() +
                                        (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.highlight_connections_check_box.toggled.connect(
            self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(
            self._redraw_graph_view)
        self._widget.clusters_check_box.toggled.connect(
            self._redraw_graph_view)

        self.signal_deferred_fit_in_view.connect(self._fit_in_view,
                                                 Qt.QueuedConnection)
        self.signal_deferred_fit_in_view.emit()

        self._widget.tabWidget.currentChanged.connect(self._change_client_tab)
        self.signal_update_conductor_graph.connect(
            self._update_conductor_graph)

        context.add_widget(self._widget)
示例#6
0
    def __init__(self,
                 map_topic='/map',
                 paths=[
                     '/move_base/SBPLLatticePlanner/plan',
                     '/move_base/TrajectoryPlannerROS/local_plan'
                 ],
                 polygons=['/move_base/local_costmap/robot_footprint'],
                 tf=None,
                 parent=None):
        super(NavView, self).__init__()
        self._parent = parent
        self.last_path = None

        self.map_changed.connect(self._update)
        self.destroyed.connect(self.close)

        #ScrollHandDrag
        self.setDragMode(QGraphicsView.ScrollHandDrag)

        self._map = None
        self._map_item = None

        self.w = 0
        self.h = 0

        self._paths = {}
        self._polygons = {}
        self.path_changed.connect(self._update_path)
        self.polygon_changed.connect(self._update_polygon)

        self._colors = [(238, 34, 116), (68, 134, 252), (236, 228, 46),
                        (102, 224, 18), (242, 156, 6), (240, 64, 10),
                        (196, 30, 250)]

        self._scene = QGraphicsScene()

        if tf is None:
            self._tf = tf.TransformListener()
        else:
            self._tf = tf
        self.map_sub = rospy.Subscriber('/map', OccupancyGrid, self.map_cb)

        for path in paths:
            self.add_path(path)

        for poly in polygons:
            self.add_polygon(poly)

        self.setScene(self._scene)
示例#7
0
    def set_timeline_data(self,
                          len_timeline=None,
                          color_callback=None,
                          pause_callback=None):
        if len_timeline:
            rp = rospkg.RosPack()
            ui_file = os.path.join(rp.get_path('rqt_robot_monitor'),
                                   'resource', 'timelinepane.ui')
            loadUi(ui_file, self, {'TimelineView': TimelineView})

            self._pause_callback = pause_callback
            self._timeline_view.set_init_data(1, len_timeline, 5,
                                              color_callback)

            self._scene = QGraphicsScene(self._timeline_view)
            self._timeline_view.setScene(self._scene)
            self._timeline_view.show()

            self._queue_diagnostic = deque()
            self._len_timeline = len_timeline
            self._paused = False
            self._tracking_latest = True
            self._last_sec_marker_at = 2
            self._last_msg = None

            self._pause_button.clicked[bool].connect(self._pause)
            self.sig_update.connect(self._timeline_view.slot_redraw)
    def __init__(self, ros_package):
        super(GraphWidget, self).__init__()

        self._current_graph = None
        self._lock = Lock()

        self._load_ui(ros_package)

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        factory = DmgItemFactory()
        factory.set_color(QColor(50, 50, 50))
        factory.set_highlighted_color(QColor(0, 150, 0))
        self._dot_to_qt = DotToQtGenerator(factory)

        self.initialized = False
        self.setObjectName("GraphWidget")

        self.graphics_view.setScene(self._scene)
        self.open_button.setIcon(QIcon.fromTheme("document-open"))
        self.open_button.pressed.connect(self._import)
        self.export_button.setIcon(QIcon.fromTheme("document-export"))
        self.export_button.pressed.connect(self._export)
        self.fit_to_view_button.setIcon(QIcon.fromTheme("zoom-fit-best"))
        self.fit_to_view_button.pressed.connect(self._fit_to_view)

        self.decision_graphs_combo_box.setSizeAdjustPolicy(QComboBox.AdjustToMinimumContentsLength)
        self.decision_graphs_combo_box.currentIndexChanged["QString"].connect(self._graph_item_changed)

        self._dot_processor = DotProcessor(self._dot_to_qt)

        self.decision_graphs = dict()
        self.states = dict()
示例#9
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    def __init__(self, parent):
        super(TimelineWidget, self).__init__()
        self.parent = parent

        self._layout = QHBoxLayout()

        #self._view = QGraphicsView()
        self._view = TimelineWidget.TimelineView(self)

        self._scene = QGraphicsScene()
        self._colors = [QColor('green'), QColor('yellow'), QColor('red')]

        self._messages = [None for x in range(20)]
        self._mq = [1 for x in range(20)] 

        self._view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self._view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self._view.setScene(self._scene)
        self._layout.addWidget(self._view, 1)

        self.pause_button = QPushButton('Pause')
        self.pause_button.setCheckable(True)
        self.pause_button.clicked.connect(self.pause)
        self._layout.addWidget(self.pause_button)

        self.setLayout(self._layout)

        self.update.connect(self.redraw)
    def __init__(self, context):
        super(CapabilityGraph, self).__init__(context)
        self.setObjectName('CapabilityGraph')

        self.__current_dotcode = None

        self.__widget = QWidget()

        self.__dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_capabilities'), 'resources', 'CapabilityGraph.ui')
        loadUi(ui_file, self.__widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self.__widget.setObjectName('CapabilityGraphUI')
        if context.serial_number() > 1:
            self.__widget.setWindowTitle(self.__widget.windowTitle() + (' (%d)' % context.serial_number()))

        self.__scene = QGraphicsScene()
        self.__scene.setBackgroundBrush(Qt.white)
        self.__widget.graphics_view.setScene(self.__scene)

        self.__widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self.__widget.refresh_graph_push_button.pressed.connect(self.__update_capabilities_graph)

        self.__update_capabilities_graph()
        self.__deferred_fit_in_view.connect(self.__fit_in_view, Qt.QueuedConnection)
        self.__deferred_fit_in_view.emit()

        context.add_widget(self.__widget)
    def __init__(self, context):
        super(CapabilityGraph, self).__init__(context)
        self.setObjectName('CapabilityGraph')

        self.__current_dotcode = None

        self.__running_providers = []
        self.__spec_index = None

        self.__widget = QWidget()

        self.__dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_capabilities'), 'resources',
                               'CapabilityGraph.ui')
        loadUi(
            ui_file, self.__widget, {
                'CapabilitiesInteractiveGraphicsView':
                CapabilitiesInteractiveGraphicsView
            })
        self.__widget.setObjectName('CapabilityGraphUI')
        if context.serial_number() > 1:
            self.__widget.setWindowTitle(self.__widget.windowTitle() +
                                         (' (%d)' % context.serial_number()))

        self.__scene = QGraphicsScene()
        self.__scene.setBackgroundBrush(Qt.white)
        self.__widget.graphics_view.setScene(self.__scene)

        self.__widget.refresh_graph_push_button.setIcon(
            QIcon.fromTheme('view-refresh'))
        self.__widget.refresh_graph_push_button.pressed.connect(
            self.__refresh_view)

        self.__refresh_view()
        self.__deferred_fit_in_view.connect(self.__fit_in_view,
                                            Qt.QueuedConnection)
        self.__deferred_fit_in_view.emit()
        self.__redraw_graph.connect(self.__update_capabilities_graph)

        # TODO: use user provided server node name
        rospy.Subscriber('/capability_server/events', CapabilityEvent,
                         self.__handle_event)

        context.add_widget(self.__widget)
示例#12
0
文件: camera.py 项目: 130s/nao_dcm
class CameraView(QGraphicsView):
    image_changed = Signal()
    
    def __init__(self, camera_topic='/image_raw'):
        super(CameraView,self).__init__()
        
        self._scene = QGraphicsScene()
        self.bridge = CvBridge()
        self._map_item = 0
        
        self.image_changed.connect(self._update)
        
        self._sub = rospy.Subscriber(camera_topic,Image,self.callback)
        
        self.setScene(self._scene)
        
    def callback(self, msg):
        self.w = msg.width
        self.h = msg.height
        
        a = self.bridge.imgmsg_to_cv(msg, "rgb8")
        a = numpy.array(a)
        image = QImage(a, self.w, self.h, QImage.Format_RGB888)
        self._map = image
        self._scene.setSceneRect(0,0,self.w,self.h)
        self.image_changed.emit()

    def _update(self):
        if self._map_item:
            self._scene.removeItem(self._map_item)
        pixmap = QPixmap.fromImage(self._map)

        self._map_item = self._scene.addPixmap(pixmap)

        self.centerOn(self._map_item)
        self.show()
        

    def _mirror(self, item):
        item.scale(-1, 1)
        item.translate(-self.w, 0)
        
    def close(self):
        if self._sub:
            self._sub.unregister()
        super(CameraView, self).close()
示例#13
0
class CameraView(QGraphicsView):
    image_changed = Signal()

    def __init__(self, camera_topic='/image_raw'):
        super(CameraView, self).__init__()

        self._scene = QGraphicsScene()
        self.bridge = CvBridge()
        self._map_item = 0

        self.image_changed.connect(self._update)

        self._sub = rospy.Subscriber(camera_topic, Image, self.callback)

        self.setScene(self._scene)

    def callback(self, msg):
        self.w = msg.width
        self.h = msg.height

        a = self.bridge.imgmsg_to_cv(msg, "rgb8")
        a = numpy.array(a)
        image = QImage(a, self.w, self.h, QImage.Format_RGB888)
        self._map = image
        self._scene.setSceneRect(0, 0, self.w, self.h)
        self.image_changed.emit()

    def _update(self):
        if self._map_item:
            self._scene.removeItem(self._map_item)
        pixmap = QPixmap.fromImage(self._map)

        self._map_item = self._scene.addPixmap(pixmap)

        self.centerOn(self._map_item)
        self.show()

    def _mirror(self, item):
        item.scale(-1, 1)
        item.translate(-self.w, 0)

    def close(self):
        if self._sub:
            self._sub.unregister()
        super(CameraView, self).close()
class EsterelPlanViewerWidget(QWidget):

    # plan view
    _scene = QGraphicsScene()
    _webview = QGraphicsWebView()
    _svg = QGraphicsSvgItem()
    _renderer = QSvgRenderer()

    def __init__(self, plugin=None):
        super(EsterelPlanViewerWidget, self).__init__()

        # Create QWidget
        ui_file = os.path.join(rospkg.RosPack().get_path('rosplan_rqt'),
                               'resource', 'esterel_plan_viewer.ui')
        loadUi(ui_file, self)
        self.setObjectName('ROSPlanEsterelPlanViewer')

        self.graphicsView.setScene(self._scene)
        self._scene.addItem(self._svg)

        self.refreshButton.clicked[bool].connect(self._handle_refresh_clicked)

        self._sub = rospy.Subscriber("/plan_graph", String, self.plan_received)

        self._plugin = plugin

    """
    updating plan view
    """

    def plan_received(self, msg):
        graph = pydot.graph_from_dot_data(msg.data)
        svg_string = graph.create_svg()
        self._renderer.load(QByteArray(svg_string))
        self._svg.setSharedRenderer(self._renderer)

    """
    called when the refresh button is clicked
    """

    def _handle_refresh_clicked(self, checked):
        self._sub.unregister()
        self._sub = rospy.Subscriber(self.topicText.text(), String,
                                     self.plan_received)

    """
    Qt methods
    """

    def shutdown_plugin(self):
        pass

    def save_settings(self, plugin_settings, instance_settings):
        pass

    def restore_settings(self, plugin_settings, instance_settings):
        pass
    def __init__(self, timeline, parent):
        super(ImageView, self).__init__(timeline, parent)

        self._image = None
        self._image_topic = None
        self._image_stamp = None
        self.quality = Image.NEAREST  # quality hint for scaling

        # TODO put the image_topic and image_stamp on the picture or display them in some fashion
        self._overlay_font_size = 14.0
        self._overlay_indent = (4, 4)
        self._overlay_color = (0.2, 0.2, 1.0)

        self._image_view = QGraphicsView(parent)
        self._image_view.resizeEvent = self._resizeEvent
        self._scene = QGraphicsScene()
        self._image_view.setScene(self._scene)
        parent.layout().addWidget(self._image_view)
示例#16
0
    def __init__(self, parent=None):
        super(QMapView, self).__init__()
        self._parent = parent
        self._scene = QGraphicsScene()

        self.map_changed.connect(self._update_map)
        self.destroyed.connect(self.close)

        # ScrollHandDrag
        self.setDragMode(QGraphicsView.ScrollHandDrag)

        self._map = None
        self.w = 0
        self.h = 0        
        self._map_item = {}

        self._polygons = {}
        self._colors = [(238, 34, 116), (68, 134, 252), (236, 228, 46), (102, 224, 18), (242, 156, 6), (240, 64, 10), (196, 30, 250)]

        self.setScene(self._scene)
示例#17
0
文件: camera.py 项目: 130s/nao_dcm
 def __init__(self, camera_topic='/image_raw'):
     super(CameraView,self).__init__()
     
     self._scene = QGraphicsScene()
     self.bridge = CvBridge()
     self._map_item = 0
     
     self.image_changed.connect(self._update)
     
     self._sub = rospy.Subscriber(camera_topic,Image,self.callback)
     
     self.setScene(self._scene)
示例#18
0
    def __init__(self, map_topic='/map',
                 paths=['/move_base/SBPLLatticePlanner/plan', '/move_base/TrajectoryPlannerROS/local_plan'],
                 polygons=['/move_base/local_costmap/robot_footprint'], tf=None, parent=None):
        super(NavView, self).__init__()
        self._parent = parent

        self._pose_mode = False
        self._goal_mode = False
        self.last_path = None


        self.map_changed.connect(self._update)
        self.destroyed.connect(self.close)

        #ScrollHandDrag
        self.setDragMode(QGraphicsView.ScrollHandDrag)

        self._map = None
        self._map_item = None

        self.w = 0
        self.h = 0

        self._paths = {}
        self._polygons = {}
        self.path_changed.connect(self._update_path)
        self.polygon_changed.connect(self._update_polygon)

        self._colors = [(238, 34, 116), (68, 134, 252), (236, 228, 46), (102, 224, 18), (242, 156, 6), (240, 64, 10), (196, 30, 250)]

        self._scene = QGraphicsScene()

        if tf is None:
            self._tf = tf.TransformListener()
        else:
            self._tf = tf
        self.map_sub = rospy.Subscriber('/map', OccupancyGrid, self.map_cb)

        for path in paths:
            self.add_path(path)

        for poly in polygons:
            self.add_polygon(poly)

        try:
            self._pose_pub = rospy.Publisher('/initialpose', PoseWithCovarianceStamped, queue_size=100)
            self._goal_pub = rospy.Publisher('/move_base_simple/goal', PoseStamped, queue_size=100)
        except TypeError:
            self._pose_pub = rospy.Publisher('/initialpose', PoseWithCovarianceStamped)
            self._goal_pub = rospy.Publisher('/move_base_simple/goal', PoseStamped)

        self.setScene(self._scene)
示例#19
0
    def __init__(self, parent):
        """Cannot take args other than parent due to loadUi limitation."""

        super(TimelineView, self).__init__()
        self._parent = parent
        self._timeline_marker = QIcon.fromTheme('system-search')

        self._min = 0
        self._max = 0
        self._xpos_marker = 5

        self._timeline_marker_width = 15
        self._timeline_marker_height = 15
        self._last_marker_at = 2

        self.redraw.connect(self._slot_redraw)

        self._timeline = None

        self.setUpdatesEnabled(True)
        self._scene = QGraphicsScene(self)
        self.setScene(self._scene)
示例#20
0
    def _redraw_graph_view(self):
        key = str(self.get_current_message().header.stamp)
        if key in self._scene_cache:
            new_scene = self._scene_cache[key]
        else:  # cache miss
            new_scene = QGraphicsScene()
            new_scene.setBackgroundBrush(Qt.white)

            if self._widget.highlight_connections_check_box.isChecked():
                highlight_level = 3
            else:
                highlight_level = 1

            # (nodes, edges) = self.dot_to_qt.graph_to_qt_items(self.dotcode_generator.graph,
            #                                                  highlight_level)
            # this function is very expensive
            (nodes, edges) = self.dot_to_qt.dotcode_to_qt_items(
                self._current_dotcode, highlight_level)

            for node_item in iter(nodes.values()):
                new_scene.addItem(node_item)
            for edge_items in iter(edges.values()):
                for edge_item in edge_items:
                    edge_item.add_to_scene(new_scene)

            new_scene.setSceneRect(new_scene.itemsBoundingRect())

            # put the scene in the cache
            self._scene_cache[key] = new_scene
            self._scene_cache_keys.append(key)

            if len(self._scene_cache) > self._scene_cache_capacity:
                oldest = self._scene_cache_keys[0]
                del self._scene_cache[oldest]
                self._scene_cache_keys.remove(oldest)

        # after construction, set the scene and fit to the view
        self._scene = new_scene

        self._widget.graphics_view.setScene(self._scene)
        self._widget.message_label.setText(self._tip_message)

        if self._widget.auto_fit_graph_check_box.isChecked():
            self._fit_in_view()
示例#21
0
   def __init__(self, parent, len_timeline,
                msg_callback,
                color_callback,
                pause_callback=None):
       """
       
       @param msg_callback: This can be a function that takes either 
       { DiagnosticArray, DiagnosticsStatus } as an argument. If your timeline
       is to show the status of all devices, choose the former. 
       Else (eg. your timeline only handles the status of an arbitrary 
       node) use the latter.     
       
       @param color_callback: Not directly used within this class. Instead,
       this will be passed and used in TimelineView class.
       
       @todo: pause_callback is MUST since it's used in both by
        RobotMonitorWidget & InspectorWindow. 
       """
       
       super(TimelinePane, self).__init__()
       self._parent = parent
       
       ui_file = os.path.join(os.path.dirname(os.path.realpath(__file__)),
                              'rqt_robot_monitor_timelinepane.ui')
       loadUi(ui_file, self, {'TimelineView': TimelineView})   
       
       # Initialization process for TimeLineView obj continues.
       
       self._pause_callback = pause_callback
       self._msg_callback = msg_callback
       
       self._timeline_view.set_init_data(1, len_timeline, 5,
                                          # self._get_color_for_value)
                                          color_callback)
 
       self._scene = QGraphicsScene(self._timeline_view)
       # self._colors = [QColor('green'), QColor('yellow'), QColor('red')]
       self._timeline_view.setScene(self._scene)        
       self._timeline_view.show()
       
       # self._messages = [None for x in range(len_timeline)]  # DiagnosticStatus
       # self._queue_diagnostic = [1 for x in range(20)] 
       self._queue_diagnostic = deque()
       self._len_timeline = len_timeline
       self._paused = False
       self._tracking_latest = True
       self._last_sec_marker_at = 2
       self._last_msg = None
       
       self._pause_button.clicked[bool].connect(self._pause)
       self._sig_update.connect(self._timeline_view.slot_redraw)     
示例#22
0
    def __init__(self, timeline, parent, topic):
        super(ImageView, self).__init__(timeline, parent, topic)

        self._image = None
        self._image_topic = None
        self._image_stamp = None
        self.quality = Image.NEAREST  # quality hint for scaling

        # TODO put the image_topic and image_stamp on the picture or display them in some fashion
        self._overlay_font_size = 14.0
        self._overlay_indent = (4, 4)
        self._overlay_color = (0.2, 0.2, 1.0)

        self._image_view = QGraphicsView(parent)
        self._image_view.resizeEvent = self._resizeEvent
        self._scene = QGraphicsScene()
        self._image_view.setScene(self._scene)
        parent.layout().addWidget(self._image_view)
    def initBumperGraphics(self):
        
        # Pens
        self.blue_pen = QPen(QColor(0,0,255))
        self.blue_pen.setWidth(10)
        
        self.bumper_lines = []

        # Text state labels
        self.bumper_state_labels = [QGraphicsTextItem() for i in range(0,4)]
        for i in range(len(self.bumper_state_labels)):
            self.bumper_state_labels[i].setFont(QFont('Ubuntu', 14, QFont.Bold))
            self.bumper_state_labels[i].setPlainText('00')
        self.bumper_state_labels[0].setPos(self.bumper_fl_x-10, self.bumper_fl_y + 55)
        self.bumper_state_labels[1].setPos(self.bumper_fr_x-10, self.bumper_fr_y + 55)
        self.bumper_state_labels[2].setPos(self.bumper_rl_x-10, self.bumper_rl_y - 80)
        self.bumper_state_labels[3].setPos(self.bumper_rr_x-10, self.bumper_rr_y - 80)
        
        # Bumper indicator lines
        self.bumperLine(self.bumper_fl_x - 20, self.bumper_fl_y - self.bumper_dy, True)
        self.bumperLine(self.bumper_fl_x - self.bumper_dx, self.bumper_fl_y - 20, False)
        self.bumperLine(self.bumper_fl_x + self.bumper_dx, self.bumper_fl_y - 20, False)
        self.bumperLine(self.bumper_fl_x - 20, self.bumper_fl_y + self.bumper_dy, True)
        self.bumperLine(self.bumper_fr_x - 20, self.bumper_fr_y - self.bumper_dy, True)
        self.bumperLine(self.bumper_fr_x - self.bumper_dx, self.bumper_fr_y - 20, False)
        self.bumperLine(self.bumper_fr_x + self.bumper_dx, self.bumper_fr_y - 20, False)
        self.bumperLine(self.bumper_fr_x - 20, self.bumper_fr_y + self.bumper_dy, True)
        self.bumperLine(self.bumper_rl_x - 20, self.bumper_rl_y - self.bumper_dy, True)
        self.bumperLine(self.bumper_rl_x - self.bumper_dx, self.bumper_rl_y - 20, False)
        self.bumperLine(self.bumper_rl_x + self.bumper_dx, self.bumper_rl_y - 20, False)
        self.bumperLine(self.bumper_rl_x - 20, self.bumper_rl_y + self.bumper_dy, True)
        self.bumperLine(self.bumper_rr_x - 20, self.bumper_rr_y - self.bumper_dy, True)
        self.bumperLine(self.bumper_rr_x - self.bumper_dx, self.bumper_rr_y - 20, False)
        self.bumperLine(self.bumper_rr_x + self.bumper_dx, self.bumper_rr_y - 20, False)
        self.bumperLine(self.bumper_rr_x - 20, self.bumper_rr_y + self.bumper_dy, True)
        
        # Populate scene
        graphics_scene = QGraphicsScene()
        for bumper in self.bumper_lines:
            graphics_scene.addItem(bumper)
        for label in self.bumper_state_labels:
            graphics_scene.addItem(label)
        graphics_scene.setSceneRect(0, 0, self._widget.bumperGraphicsView.width() - 4, self._widget.bumperGraphicsView.height() - 4)
        self._widget.bumperGraphicsView.setScene(graphics_scene)
        self._widget.bumperGraphicsView.setBackgroundBrush(QBrush(QImage(os.path.join(rospkg.RosPack().get_path('mobility_base_tools'), 'images', 'mb_top.png'))))
        self._widget.bumperGraphicsView.show()
示例#24
0
    def __init__(self, topic='/map', tf=None, parent=None):

        super(RoboMap, self).__init__()
        self.parent = parent
        self.tf = tf
        self.topic = topic
        self.map_change.connect(self.update)
        self.destroyed.connect(self.close)
        self.map = None
        self.mapitem = None
        self.w = 0
        self.h = 0
        self.resolution = None
        self.origin = None
        self.polygon = None
        self.point = None
        self.scene = QGraphicsScene()
        self.subscriber = rospy.Subscriber(topic, OccupancyGrid, self.callback)
        self.setScene(self.scene)
        self.timer = None
示例#25
0
    def __init__(self, parent):
        """Cannot take args other than parent due to loadUi limitation."""

        super(TimelineView, self).__init__()
        self._parent = parent
        self._timeline_marker = QIcon.fromTheme('system-search')

        self._min = 0
        self._max = 0
        self._xpos_marker = 5

        self._timeline_marker_width = 15
        self._timeline_marker_height = 15
        self._last_marker_at = 2

        self.redraw.connect(self._slot_redraw)

        self._timeline = None

        self.setUpdatesEnabled(True)
        self._scene = QGraphicsScene(self)
        self.setScene(self._scene)
    def __init__(self, context):
        super(CapabilityGraph, self).__init__(context)
        self.setObjectName('CapabilityGraph')

        self.__current_dotcode = None

        self.__running_providers = []
        self.__spec_index = None

        self.__widget = QWidget()

        self.__dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_capabilities'), 'resources', 'CapabilityGraph.ui')
        loadUi(ui_file, self.__widget, {'CapabilitiesInteractiveGraphicsView': CapabilitiesInteractiveGraphicsView})
        self.__widget.setObjectName('CapabilityGraphUI')
        if context.serial_number() > 1:
            self.__widget.setWindowTitle(self.__widget.windowTitle() + (' (%d)' % context.serial_number()))

        self.__scene = QGraphicsScene()
        self.__scene.setBackgroundBrush(Qt.white)
        self.__widget.graphics_view.setScene(self.__scene)

        self.__widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self.__widget.refresh_graph_push_button.pressed.connect(self.__refresh_view)

        self.__refresh_view()
        self.__deferred_fit_in_view.connect(self.__fit_in_view, Qt.QueuedConnection)
        self.__deferred_fit_in_view.emit()
        self.__redraw_graph.connect(self.__update_capabilities_graph)

        # TODO: use user provided server node name
        rospy.Subscriber('/capability_server/events', CapabilityEvent, self.__handle_event)

        context.add_widget(self.__widget)
class CapabilityGraph(Plugin):

    __deferred_fit_in_view = Signal()
    __redraw_graph = Signal()

    def __init__(self, context):
        super(CapabilityGraph, self).__init__(context)
        self.setObjectName('CapabilityGraph')

        self.__current_dotcode = None

        self.__running_providers = []
        self.__spec_index = None

        self.__widget = QWidget()

        self.__dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_capabilities'), 'resources', 'CapabilityGraph.ui')
        loadUi(ui_file, self.__widget, {'CapabilitiesInteractiveGraphicsView': CapabilitiesInteractiveGraphicsView})
        self.__widget.setObjectName('CapabilityGraphUI')
        if context.serial_number() > 1:
            self.__widget.setWindowTitle(self.__widget.windowTitle() + (' (%d)' % context.serial_number()))

        self.__scene = QGraphicsScene()
        self.__scene.setBackgroundBrush(Qt.white)
        self.__widget.graphics_view.setScene(self.__scene)

        self.__widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self.__widget.refresh_graph_push_button.pressed.connect(self.__refresh_view)

        self.__refresh_view()
        self.__deferred_fit_in_view.connect(self.__fit_in_view, Qt.QueuedConnection)
        self.__deferred_fit_in_view.emit()
        self.__redraw_graph.connect(self.__update_capabilities_graph)

        # TODO: use user provided server node name
        rospy.Subscriber('/capability_server/events', CapabilityEvent, self.__handle_event)

        context.add_widget(self.__widget)

    def __handle_event(self, msg):
        if msg.type == CapabilityEvent.STOPPED:
            return
        if msg.type == CapabilityEvent.LAUNCHED and msg.provider not in self.__running_providers:
            self.__running_providers.append(msg.provider)
        if msg.type == CapabilityEvent.TERMINATED and msg.provider in self.__running_providers:
            self.__running_providers.remove(msg.provider)
        self.__redraw_graph.emit()

    def __get_specs(self):
        self.__spec_index, errors = spec_index_from_service()
        assert not errors

    def __get_running_providers(self):
        # TODO: replace 'capability_server' with user provided server name
        service_name = '/{0}/get_running_capabilities'.format('capability_server')
        rospy.wait_for_service(service_name)
        get_running_capabilities = rospy.ServiceProxy(service_name, GetRunningCapabilities)
        response = get_running_capabilities()
        self.__running_providers = []
        for cap in response.running_capabilities:
            self.__running_providers.append(cap.capability.provider)

    def __refresh_view(self):
        self.__get_specs()
        self.__get_running_providers()
        self.__update_capabilities_graph()

    def __update_capabilities_graph(self):
        self.__update_graph_view(self.__generate_dotcode())

    def __generate_dotcode(self):
        return generate_dotcode_from_capability_info(self.__spec_index, self.__running_providers)

    def __update_graph_view(self, dotcode):
        if dotcode == self.__current_dotcode:
            return
        self.__current_dotcode = dotcode
        self.__redraw_graph_view()

    def __fit_in_view(self):
        self.__widget.graphics_view.fitInView(self.__scene.itemsBoundingRect(), Qt.KeepAspectRatio)

    def __redraw_graph_view(self):
        self.__widget.graphics_view._running_providers = self.__running_providers
        self.__widget.graphics_view._spec_index = self.__spec_index
        self.__scene.clear()

        highlight_level = 1

        # layout graph and create qt items
        (nodes, edges) = self.__dot_to_qt.dotcode_to_qt_items(self.__current_dotcode,
                                                              highlight_level=highlight_level,
                                                              same_label_siblings=True)

        for node_item in nodes.itervalues():
            self.__scene.addItem(node_item)
        for edge_items in edges.itervalues():
            for edge_item in edge_items:
                edge_item.add_to_scene(self.__scene)

        self.__scene.setSceneRect(self.__scene.itemsBoundingRect())
        self.__fit_in_view()
 def initJoystickGraphics(self):
     # Pens
     self.cyan_pen = QPen(QColor(0, 255, 255))
     self.magenta_pen = QPen(QColor(255, 0, 255))
     self.red_pen = QPen(QColor(255, 0, 0))
     self.cyan_pen.setWidth(3)
     self.magenta_pen.setWidth(3)
     self.red_pen.setWidth(3)
     self.stick_ind_l = QGraphicsEllipseItem()
     self.stick_ind_r = QGraphicsEllipseItem()
     self.stick_line_l = QGraphicsLineItem()
     self.stick_line_r = QGraphicsLineItem()
     self.mode_ind = QGraphicsLineItem()
     
     # Left joystick indicator circle
     px_l = self.stick_ind_lox - self.stick_ind_radius
     py_l = self.stick_ind_loy - self.stick_ind_radius
     self.stick_ind_l.setRect(px_l, py_l, 2 * self.stick_ind_radius, 2 * self.stick_ind_radius)
     self.stick_ind_l.setBrush(QBrush(QColor(255, 0, 0)))
     self.stick_ind_l.setPen(QPen(QColor(0, 0, 0)))  
     
     # Right joystick indicator circle
     px_r = self.stick_ind_rox - self.stick_ind_radius
     py_r = self.stick_ind_roy - self.stick_ind_radius
     self.stick_ind_r.setRect(px_r, py_r, 2 * self.stick_ind_radius, 2 * self.stick_ind_radius)
     self.stick_ind_r.setBrush(QBrush(QColor(255, 0, 0)))
     self.stick_ind_r.setPen(QPen(QColor(0, 0, 0)))
     
     # Left joystick indicator line
     line_pen = QPen(QColor(255,0,0))
     line_pen.setWidth(4)
     self.stick_line_l.setLine(self.stick_ind_lox, self.stick_ind_loy, self.stick_ind_lox, self.stick_ind_loy)
     self.stick_line_l.setPen(line_pen)
     
     # Right joystick indicator line
     self.stick_line_r.setLine(self.stick_ind_rox, self.stick_ind_roy, self.stick_ind_rox, self.stick_ind_roy)
     self.stick_line_r.setPen(line_pen) 
     
     # Mode indicator line
     self.mode_ind.setLine(self.mode_ind_x1, self.mode_ind_y1, self.mode_ind_x2, self.mode_ind_y2)
     self.mode_ind.setPen(self.cyan_pen)
     
     # Joystick power indicator
     self.joystick_power_ind = []
     self.joystick_power_ind.append(QGraphicsLineItem(self.power_ind_x1, self.power_ind_y + 20, self.power_ind_x1, self.power_ind_y - 20))
     self.joystick_power_ind.append(QGraphicsLineItem(self.power_ind_x1, self.power_ind_y - 20, self.power_ind_x1 + 50, self.power_ind_y - 20))
     self.joystick_power_ind.append(QGraphicsLineItem(self.power_ind_x1+50, self.power_ind_y - 20, self.power_ind_x1+50, self.power_ind_y + 20))
     self.joystick_power_ind.append(QGraphicsLineItem(self.power_ind_x1+50, self.power_ind_y + 20, self.power_ind_x1, self.power_ind_y + 20))
     
     # Populate scene
     graphics_scene = QGraphicsScene()
     graphics_scene.addItem(self.stick_ind_l)
     graphics_scene.addItem(self.stick_ind_r)
     graphics_scene.addItem(self.stick_line_l)
     graphics_scene.addItem(self.stick_line_r)
     graphics_scene.addItem(self.mode_ind)
     for l in self.joystick_power_ind:
         l.setPen(self.red_pen)
         graphics_scene.addItem(l)
     graphics_scene.setSceneRect(0, 0, self._widget.joystickGraphicsView.width() - 4, self._widget.joystickGraphicsView.height() - 4)
     self._widget.joystickGraphicsView.setScene(graphics_scene)
     self._widget.joystickGraphicsView.setBackgroundBrush(QBrush(QImage(os.path.join(rospkg.RosPack().get_path('mobility_base_tools'), 'images', 'dx6ilabels.jpg'))))
     self._widget.joystickGraphicsView.show()
示例#29
0
class ConductorGraph(Plugin):

    # pyqt signals are always defined as class attributes
    signal_deferred_fit_in_view = Signal()
    signal_update_conductor_graph = Signal()

    # constants
    # colour definitions from http://www.w3.org/TR/SVG/types.html#ColorKeywords
    # see also http://qt-project.org/doc/qt-4.8/qcolor.html#setNamedColor
    link_strength_colours = {
        'very_strong': QColor("lime"),
        'strong': QColor("chartreuse"),
        'normal': QColor("yellow"),
        'weak': QColor("orange"),
        'very_weak': QColor("red"),
        'missing': QColor("powderblue")
    }

    def __init__(self, context):
        self._context = context
        super(ConductorGraph, self).__init__(context)
        self.initialised = False
        self.setObjectName('Conductor Graph')
        self._node_items = None
        self._edge_items = None
        self._node_item_events = {}
        self._edge_item_events = {}
        self._client_info_list = {}
        self._widget = QWidget()
        self.cur_selected_client_name = ""
        self.pre_selected_client_name = ""
        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory=PygraphvizFactory()
        self.dotcode_generator = ConductorGraphDotcodeGenerator()
        self.dot_to_qt = DotToQtGenerator()

        self._graph = ConductorGraphInfo(self._update_conductor_graph_relay,
                                         self._set_network_statisics)

        rospack = rospkg.RosPack()
        ui_file = os.path.join(rospack.get_path('concert_conductor_graph'),
                               'ui', 'conductor_graph.ui')
        loadUi(ui_file, self._widget,
               {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('ConductorGraphUi')

        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() +
                                        (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.highlight_connections_check_box.toggled.connect(
            self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(
            self._redraw_graph_view)
        self._widget.clusters_check_box.toggled.connect(
            self._redraw_graph_view)

        self.signal_deferred_fit_in_view.connect(self._fit_in_view,
                                                 Qt.QueuedConnection)
        self.signal_deferred_fit_in_view.emit()

        self._widget.tabWidget.currentChanged.connect(self._change_client_tab)
        self.signal_update_conductor_graph.connect(
            self._update_conductor_graph)

        context.add_widget(self._widget)

    def restore_settings(self, plugin_settings, instance_settings):
        self.initialised = True
        self._update_conductor_graph()

    def shutdown_plugin(self):
        self._graph.shutdown()

    def _update_conductor_graph(self):
        if self.initialised:
            self._redraw_graph_view()
            self._update_client_tab()

    def _update_conductor_graph_relay(self):
        """
        This seems a bit obtuse, but we can't just dump the _update_conductor_graph callback on the underlying
        conductor graph info and trigger it from there since that trigger will operate from a ros thread and pyqt
        will crash trying to co-ordinate gui changes from an external thread. We need to relay via a signal.
        """
        self.signal_update_conductor_graph.emit()

    def _update_client_tab(self):
        print('[conductor graph]: _update_client_tab')
        self.pre_selected_client_name = self.cur_selected_client_name
        self._widget.tabWidget.clear()

        for k in self._graph.concert_clients.values():
            # Only pull in information from connected or connectable clients
            if k.state not in [
                    concert_msgs.ConcertClientState.AVAILABLE,
                    concert_msgs.ConcertClientState.MISSING,
                    concert_msgs.ConcertClientState.UNINVITED
            ]:
                continue

            main_widget = QWidget()

            ver_layout = QVBoxLayout(main_widget)

            ver_layout.setContentsMargins(9, 9, 9, 9)
            ver_layout.setSizeConstraint(ver_layout.SetDefaultConstraint)

            #button layout
            sub_widget = QWidget()
            sub_widget.setAccessibleName('sub_widget')

            ver_layout.addWidget(sub_widget)

            #client information layout
            context_label = QLabel()
            context_label.setText("Client information")
            ver_layout.addWidget(context_label)

            app_context_widget = QPlainTextEdit()
            app_context_widget.setObjectName(k.concert_alias + '_' +
                                             'app_context_widget')
            app_context_widget.setAccessibleName('app_context_widget')
            app_context_widget.appendHtml(k.get_rapp_context())
            app_context_widget.setReadOnly(True)

            cursor = app_context_widget.textCursor()
            cursor.movePosition(QTextCursor.Start, QTextCursor.MoveAnchor, 0)
            app_context_widget.setTextCursor(cursor)
            ver_layout.addWidget(app_context_widget)

            # new icon
            path = ""
            if k.is_new:
                # This only changes when the concert client changes topic publishes anew
                path = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "../../resources/images/new.gif")

            #add tab
            self._widget.tabWidget.addTab(main_widget, QIcon(path),
                                          k.concert_alias)

        #set previous selected tab
        for k in range(self._widget.tabWidget.count()):
            tab_text = self._widget.tabWidget.tabText(k)
            if tab_text == self.pre_selected_client_name:
                self._widget.tabWidget.setCurrentIndex(k)

    def _change_client_tab(self, index):
        self.cur_selected_client_name = self._widget.tabWidget.tabText(
            self._widget.tabWidget.currentIndex())

    def _set_network_statisics(self):
        # we currently redraw every statistics update (expensive!) so passing for now, but we should
        # reenable this and drop the change callback to be more efficient
        #if self._edge_items == None:
        #    return
        #else:
        #    for edge_items in self._edge_items.itervalues():
        #        for edge_item in edge_items:
        #            edge_dst_name = edge_item.to_node._label.text()
        #            edge_item.setToolTip(str(self._graph.concert_clients[edge_dst_name].msg.conn_stats))
        pass

    def _redraw_graph_view(self):
        print("[conductor graph]: _redraw_graph_view")
        # regenerate the dotcode
        current_dotcode = self.dotcode_generator.generate_dotcode(
            conductor_graph_instance=self._graph,
            dotcode_factory=self.dotcode_factory,
            clusters=self._widget.clusters_check_box.isChecked())
        #print("Dotgraph: \n%s" % current_dotcode)
        self._scene.clear()
        self._node_item_events = {}
        self._edge_item_events = {}
        self._node_items = None
        self._edge_items = None

        highlight_level = 3 if self._widget.highlight_connections_check_box.isChecked(
        ) else 1

        # layout graph and create qt items
        (nodes, edges) = self.dot_to_qt.dotcode_to_qt_items(
            current_dotcode,
            highlight_level=highlight_level,
            same_label_siblings=True)
        self._node_items = nodes
        self._edge_items = edges

        #nodes - if we wish to make special nodes, do that here (maybe subclass GraphItem, just like NodeItem does
        for node_item in nodes.itervalues():
            # redefine mouse event
            #self._node_item_events[node_item._label.text()] = GraphEventHandler(self._widget.tabWidget, node_item, node_item.mouseDoubleClickEvent)
            #node_item.mouseDoubleClickEvent = self._node_item_events[node_item._label.text()].NodeEvent
            self._node_item_events[
                node_item._label.text()] = GraphEventHandler(
                    self._widget.tabWidget, node_item,
                    node_item.hoverEnterEvent)
            node_item.hoverEnterEvent = self._node_item_events[
                node_item._label.text()].NodeEvent

            self._scene.addItem(node_item)

        #edges
        for edge_items in edges.itervalues():
            for edge_item in edge_items:
                #redefine the edge hover event

                self._edge_item_events[
                    edge_item._label.text()] = GraphEventHandler(
                        self._widget.tabWidget, edge_item,
                        edge_item._label.hoverEnterEvent)
                edge_item._label.hoverEnterEvent = self._edge_item_events[
                    edge_item._label.text()].EdgeEvent

                #self._edge_item_events[edge_item._label.text()]=GraphEventHandler(self._widget.tabWidget,edge_item,edge_item.mouseDoubleClickEvent);
                #edge_item.mouseDoubleClickEvent=self._edge_item_events[edge_item._label.text()].EdgeEvent;

                edge_item.add_to_scene(self._scene)

                #set the color of node as connection strength one of red, yellow, green
                edge_dst_name = edge_item.to_node._label.text()
                if edge_dst_name in self._graph.concert_clients.keys():
                    link_strength_colour = ConductorGraph.link_strength_colours[
                        self._graph.concert_clients[edge_dst_name].
                        get_connection_strength()]
                    edge_item._default_color = link_strength_colour
                    edge_item.set_node_color(link_strength_colour)
                #set the tooltip about network information
                edge_item.setToolTip(
                    str(self._graph.concert_clients[edge_dst_name].msg.
                        conn_stats))

        self._scene.setSceneRect(self._scene.itemsBoundingRect())

        if self._widget.auto_fit_graph_check_box.isChecked():
            self._fit_in_view()

    def _fit_in_view(self):
        self._widget.graphics_view.fitInView(self._scene.itemsBoundingRect(),
                                             Qt.KeepAspectRatio)
示例#30
0
class RosPackGraph(Plugin):

    _deferred_fit_in_view = Signal()

    def __init__(self, context):
        super(RosPackGraph, self).__init__(context)
        self.initialized = False
        self._current_dotcode = None
        self._update_thread = WorkerThread(self._update_thread_run, self._update_finished)
        self._nodes = {}
        self._edges = {}
        self._options = {}
        self._options_serialized = ''

        self.setObjectName('RosPackGraph')

        rospack = rospkg.RosPack()
        rosstack = rospkg.RosStack()

        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosPackageGraphDotcodeGenerator(rospack, rosstack)
        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        self._widget = QWidget()
        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_dep'), 'resource', 'RosPackGraph.ui')
        loadUi(ui_file, self._widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosPackGraphUi')
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.depth_combo_box.insertItem(0, self.tr('infinite'), -1)
        self._widget.depth_combo_box.insertItem(1, self.tr('1'), 2)
        self._widget.depth_combo_box.insertItem(2, self.tr('2'), 3)
        self._widget.depth_combo_box.insertItem(3, self.tr('3'), 4)
        self._widget.depth_combo_box.insertItem(4, self.tr('4'), 5)
        self._widget.depth_combo_box.currentIndexChanged.connect(self._refresh_rospackgraph)

        self._widget.directions_combo_box.insertItem(0, self.tr('depends'), 0)
        self._widget.directions_combo_box.insertItem(1, self.tr('depends_on'), 1)
        self._widget.directions_combo_box.insertItem(2, self.tr('both'), 2)
        self._widget.directions_combo_box.currentIndexChanged.connect(self._refresh_rospackgraph)

        self._widget.package_type_combo_box.insertItem(0, self.tr('wet & dry'), 3)
        self._widget.package_type_combo_box.insertItem(1, self.tr('wet only'), 2)
        self._widget.package_type_combo_box.insertItem(2, self.tr('dry only'), 1)
        self._widget.package_type_combo_box.currentIndexChanged.connect(self._refresh_rospackgraph)

        completionmodel = StackageCompletionModel(self._widget.filter_line_edit, rospack, rosstack)
        completer = RepeatedWordCompleter(completionmodel, self)
        completer.setCompletionMode(QCompleter.PopupCompletion)
        completer.setWrapAround(True)

        completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.filter_line_edit.editingFinished.connect(self._refresh_rospackgraph)
        self._widget.filter_line_edit.setCompleter(completer)
        self._widget.filter_line_edit.selectionChanged.connect(self._clear_filter)
        
        self._widget.with_stacks_check_box.clicked.connect(self._refresh_rospackgraph)
        self._widget.mark_check_box.clicked.connect(self._refresh_rospackgraph)
        self._widget.colorize_check_box.clicked.connect(self._refresh_rospackgraph)
        self._widget.hide_transitives_check_box.clicked.connect(self._refresh_rospackgraph)

        self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self._widget.refresh_graph_push_button.pressed.connect(self._update_rospackgraph)

        self._widget.highlight_connections_check_box.toggled.connect(self._refresh_rospackgraph)
        self._widget.auto_fit_graph_check_box.toggled.connect(self._refresh_rospackgraph)
        self._widget.fit_in_view_push_button.setIcon(QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_dot_push_button.setIcon(QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(QIcon.fromTheme('image'))
        self._widget.save_as_image_push_button.pressed.connect(self._save_image)

        self._deferred_fit_in_view.connect(self._fit_in_view, Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        context.add_widget(self._widget)
        
        # If in either of following case, this turnes True
        # - 1st filtering key is already input by user
        # - filtering key is restored
        self._filtering_started = False

    def shutdown_plugin(self):
        self._update_thread.kill()

    def save_settings(self, plugin_settings, instance_settings):
        instance_settings.set_value('depth_combo_box_index', self._widget.depth_combo_box.currentIndex())
        instance_settings.set_value('directions_combo_box_index', self._widget.directions_combo_box.currentIndex())
        instance_settings.set_value('package_type_combo_box', self._widget.package_type_combo_box.currentIndex())
        instance_settings.set_value('filter_line_edit_text', self._widget.filter_line_edit.text())
        instance_settings.set_value('with_stacks_state', self._widget.with_stacks_check_box.isChecked())
        instance_settings.set_value('hide_transitives_state', self._widget.hide_transitives_check_box.isChecked())
        instance_settings.set_value('mark_state', self._widget.mark_check_box.isChecked())
        instance_settings.set_value('colorize_state', self._widget.colorize_check_box.isChecked())
        instance_settings.set_value('auto_fit_graph_check_box_state', self._widget.auto_fit_graph_check_box.isChecked())
        instance_settings.set_value('highlight_connections_check_box_state', self._widget.highlight_connections_check_box.isChecked())

    def restore_settings(self, plugin_settings, instance_settings):
        _str_filter = instance_settings.value('filter_line_edit_text', '')
        if (_str_filter == None or _str_filter == '') and \
           not self._filtering_started:
            _str_filter = '(Separate pkgs by comma)'
        else:
            self._filtering_started = True
        
        self._widget.depth_combo_box.setCurrentIndex(int(instance_settings.value('depth_combo_box_index', 0)))
        self._widget.directions_combo_box.setCurrentIndex(int(instance_settings.value('directions_combo_box_index', 0)))
        self._widget.package_type_combo_box.setCurrentIndex(int(instance_settings.value('package_type_combo_box', 0)))
        self._widget.filter_line_edit.setText(_str_filter)
        self._widget.with_stacks_check_box.setChecked(instance_settings.value('with_stacks_state', True) in [True, 'true'])
        self._widget.mark_check_box.setChecked(instance_settings.value('mark_state', True) in [True, 'true'])
        self._widget.colorize_check_box.setChecked(instance_settings.value('colorize_state', False) in [True, 'true'])
        self._widget.hide_transitives_check_box.setChecked(instance_settings.value('hide_transitives_state', False) in [True, 'true'])
        self._widget.auto_fit_graph_check_box.setChecked(instance_settings.value('auto_fit_graph_check_box_state', True) in [True, 'true'])
        self._widget.highlight_connections_check_box.setChecked(instance_settings.value('highlight_connections_check_box_state', True) in [True, 'true'])
        self.initialized = True
        self._refresh_rospackgraph()

    def _update_rospackgraph(self):
        # re-enable controls customizing fetched ROS graph
        self._widget.depth_combo_box.setEnabled(True)
        self._widget.directions_combo_box.setEnabled(True)
        self._widget.package_type_combo_box.setEnabled(True)
        self._widget.filter_line_edit.setEnabled(True)
        self._widget.with_stacks_check_box.setEnabled(True)
        self._widget.mark_check_box.setEnabled(True)
        self._widget.colorize_check_box.setEnabled(True)
        self._widget.hide_transitives_check_box.setEnabled(True)

        self._refresh_rospackgraph(force_update=True)

    def _update_options(self):
        self._options['depth'] = self._widget.depth_combo_box.itemData(self._widget.depth_combo_box.currentIndex())
        self._options['directions'] = self._widget.directions_combo_box.itemData(self._widget.directions_combo_box.currentIndex())
        self._options['package_types'] = self._widget.package_type_combo_box.itemData(self._widget.package_type_combo_box.currentIndex())
        self._options['with_stacks'] = self._widget.with_stacks_check_box.isChecked()
        self._options['mark_selected'] = self._widget.mark_check_box.isChecked()
        self._options['hide_transitives'] = self._widget.hide_transitives_check_box.isChecked()
        # TODO: Allow different color themes
        self._options['colortheme'] = True if self._widget.colorize_check_box.isChecked() else None
        self._options['names'] = self._widget.filter_line_edit.text().split(',')
        if self._options['names'] == [u'None']:
            self._options['names'] = []
        self._options['highlight_level'] = 3 if self._widget.highlight_connections_check_box.isChecked() else 1
        self._options['auto_fit'] = self._widget.auto_fit_graph_check_box.isChecked()

    def _refresh_rospackgraph(self, force_update=False):
        if not self.initialized:
            return

        self._update_thread.kill()

        self._update_options()

        # avoid update if options did not change and force_update is not set
        new_options_serialized = pickle.dumps(self._options)
        if new_options_serialized == self._options_serialized and not force_update:
            return
        self._options_serialized = pickle.dumps(self._options)

        self._scene.setBackgroundBrush(Qt.lightGray)

        self._update_thread.start()

    # this runs in a non-gui thread, so don't access widgets here directly
    def _update_thread_run(self):
        self._update_graph(self._generate_dotcode())

    @Slot()
    def _update_finished(self):
        self._scene.setBackgroundBrush(Qt.white)
        self._redraw_graph_scene()

    # this runs in a non-gui thread, so don't access widgets here directly
    def _generate_dotcode(self):
        includes = []
        excludes = []
        for name in self._options['names']:
            if name.strip().startswith('-'):
                excludes.append(name.strip()[1:])
            else:
                includes.append(name.strip())
        # orientation = 'LR'
        descendants = True
        ancestors = True
        if self._options['directions'] == 1:
            descendants = False
        if self._options['directions'] == 0:
            ancestors = False
        return self.dotcode_generator.generate_dotcode(dotcode_factory=self.dotcode_factory,
                                                       selected_names=includes,
                                                       excludes=excludes,
                                                       depth=self._options['depth'],
                                                       with_stacks=self._options['with_stacks'],
                                                       descendants=descendants,
                                                       ancestors=ancestors,
                                                       mark_selected=self._options['mark_selected'],
                                                       colortheme=self._options['colortheme'],
                                                       hide_transitives=self._options['hide_transitives'],
                                                       hide_wet=self._options['package_types'] == 1,
                                                       hide_dry=self._options['package_types'] == 2)

    # this runs in a non-gui thread, so don't access widgets here directly
    def _update_graph(self, dotcode):
        self._current_dotcode = dotcode
        self._nodes, self._edges = self.dot_to_qt.dotcode_to_qt_items(self._current_dotcode, self._options['highlight_level'])

    def _generate_tool_tip(self, url):
        if url is not None and ':' in url:
            item_type, item_path = url.split(':', 1)
            if item_type == 'node':
                tool_tip = 'Node:\n  %s' % (item_path)
                service_names = rosservice.get_service_list(node=item_path)
                if service_names:
                    tool_tip += '\nServices:'
                    for service_name in service_names:
                        try:
                            service_type = rosservice.get_service_type(service_name)
                            tool_tip += '\n  %s [%s]' % (service_name, service_type)
                        except rosservice.ROSServiceIOException, e:
                            tool_tip += '\n  %s' % (e)
                return tool_tip
            elif item_type == 'topic':
                topic_type, topic_name, _ = rostopic.get_topic_type(item_path)
                return 'Topic:\n  %s\nType:\n  %s' % (topic_name, topic_type)
        return url
示例#31
0
class RoboMap(QGraphicsView):

    map_change = Signal()

    def __init__(self, topic='/map', tf=None, parent=None):

        super(RoboMap, self).__init__()
        self.parent = parent
        self.tf = tf
        self.topic = topic
        self.map_change.connect(self.update)
        self.destroyed.connect(self.close)
        self.map = None
        self.mapitem = None
        self.w = 0
        self.h = 0
        self.resolution = None
        self.origin = None
        self.polygon = None
        self.point = None
        self.scene = QGraphicsScene()
        self.subscriber = rospy.Subscriber(topic, OccupancyGrid, self.callback)
        self.setScene(self.scene)
        self.timer = None
    
    def update(self):
        if self.mapitem:
            self.scene.removeItem(self.mapitem)
        qpix = QPixmap.fromImage(self.map)
        self.mapitem = self.scene.addPixmap(qpix)
        self.mirror(self.mapitem)
        self.show()
    
    def mirror(self, item):
        item.scale(-1, 1)
        item.translate(-self.w, 0)
    
    def callback(self, msg):
        self.w = msg.info.width
        self.h = msg.info.height
        self.resolution = msg.info.resolution
        self.origin = (msg.info.origin.position.x, msg.info.origin.position.y)
        arr = np.array(msg.data, dtype=np.uint8, copy=False, order='C')
        arr = arr.reshape((self.h, self.w))
        img = QImage(arr.reshape((arr.shape[0] * arr.shape[1])), self.w, self.h, QImage.Format_Indexed8)
        #need to invert some colors :)
        for z in reversed(range(101)):
            img.setColor(100 - z, qRgb(z*2.55, z*2.55, z*2.55))
        img.setColor(101, qRgb(255, 0, 0))
        img.setColor(255, qRgb(100, 100, 100))
        self.map = img
        self.setSceneRect(0, 0, self.w, self.h)
        self.map_change.emit()
        # Explorer laser callback
        self.parent.taskplanner.explorer.laser_callback(msg)

    def update_map(self, dead_pirates):
        tmp = []
        for z in dead_pirates:
            x = z.pose.position.x
            y = z.pose.position.y
            #transform pose coordinates to map coordinates
            map_y = (y - self.origin[1])/self.resolution
            map_x = -((x - self.origin[0])/self.resolution) + self.w
            tmp.append(self.draw_point(map_x, map_y, color=Qt.red))
            print 'Added dead'
        self.parent.dead_pirate_objects = tmp

    def draw_point(self, x, y, color=Qt.magenta, rad=1.0, message=None):
        ell = self.scene.addEllipse(x-rad, y-rad, rad*2.0, rad*2.0, color, QBrush(Qt.SolidPattern))
        if message:
            self.parent.update_textbox(message, (str(x) + ' ' + str(y)))
        ell.setZValue(2000.0)
        return ell
        
    def mousePressEvent(self, e):
        point = self.mapToScene(e.x(), e.y())
        if self.point:
            self.scene.removeItem(self.point)
            self.point = None
        self.point = self.draw_point(point.x(), point.y(), Qt.yellow, 1.0)
        
    def wheelEvent(self, e):
        e.ignore()
        if e.delta() > 0:
            self.scale(1.30, 1.30)
        else:
            self.scale(0.7, 0.7)
示例#32
0
class NavView(QGraphicsView):
    map_changed = Signal()
    path_changed = Signal(str)
    polygon_changed = Signal(str)

    def __init__(self, map_topic='/map',
                 paths=['/move_base/SBPLLatticePlanner/plan', '/move_base/TrajectoryPlannerROS/local_plan'],
                 polygons=['/move_base/local_costmap/robot_footprint'], tf=None, parent=None):
        super(NavView, self).__init__()
        self._parent = parent

        self._pose_mode = False
        self._goal_mode = False
        self.last_path = None


        self.map_changed.connect(self._update)
        self.destroyed.connect(self.close)

        #ScrollHandDrag
        self.setDragMode(QGraphicsView.ScrollHandDrag)

        self._map = None
        self._map_item = None

        self.w = 0
        self.h = 0

        self._paths = {}
        self._polygons = {}
        self.path_changed.connect(self._update_path)
        self.polygon_changed.connect(self._update_polygon)

        self._colors = [(238, 34, 116), (68, 134, 252), (236, 228, 46), (102, 224, 18), (242, 156, 6), (240, 64, 10), (196, 30, 250)]

        self._scene = QGraphicsScene()

        if tf is None:
            self._tf = tf.TransformListener()
        else:
            self._tf = tf
        self.map_sub = rospy.Subscriber('/map', OccupancyGrid, self.map_cb)

        for path in paths:
            self.add_path(path)

        for poly in polygons:
            self.add_polygon(poly)

        try:
            self._pose_pub = rospy.Publisher('/initialpose', PoseWithCovarianceStamped, queue_size=100)
            self._goal_pub = rospy.Publisher('/move_base_simple/goal', PoseStamped, queue_size=100)
        except TypeError:
            self._pose_pub = rospy.Publisher('/initialpose', PoseWithCovarianceStamped)
            self._goal_pub = rospy.Publisher('/move_base_simple/goal', PoseStamped)

        self.setScene(self._scene)

    def add_dragdrop(self, item):
        # Add drag and drop functionality to all the items in the view
        def c(x, e):
            self.dragEnterEvent(e)
        def d(x, e):
            self.dropEvent(e)
        item.setAcceptDrops(True)
        item.dragEnterEvent = c
        item.dropEvent = d

    def dragEnterEvent(self, e):
        if self._parent:
            self._parent.dragEnterEvent(e)

    def dropEvent(self, e):
        if self._parent:
            self._parent.dropEvent(e)

    def wheelEvent(self, event):
        event.ignore()
        if event.delta() > 0:
            self.scale(1.15, 1.15)
        else:
            self.scale(0.85, 0.85)

    def map_cb(self, msg):
        self.resolution = msg.info.resolution
        self.w = msg.info.width
        self.h = msg.info.height

        a = numpy.array(msg.data, dtype=numpy.uint8, copy=False, order='C')
        a = a.reshape((self.h, self.w))
        if self.w % 4:
            e = numpy.empty((self.h, 4 - self.w % 4), dtype=a.dtype, order='C')
            a = numpy.append(a, e, axis=1)
        image = QImage(a.reshape((a.shape[0] * a.shape[1])), self.w, self.h, QImage.Format_Indexed8)

        for i in reversed(range(101)):
            image.setColor(100 - i, qRgb(i* 2.55, i * 2.55, i * 2.55))
        image.setColor(101, qRgb(255, 0, 0))  # not used indices
        image.setColor(255, qRgb(200, 200, 200))  # color for unknown value -1
        self._map = image
        self.setSceneRect(0, 0, self.w, self.h)
        self.map_changed.emit()

    def add_path(self, name):
        path = PathInfo(name)

        def c(msg):
            if not self._map:
                return

            pp = QPainterPath()

            # Transform everything in to the map frame
            if not (msg.header.frame_id == '/map' or msg.header.frame_id == ''):
                try:
                    self._tf.waitForTransform(msg.header.frame_id, '/map', rospy.Time(), rospy.Duration(10))
                    data = [self._tf.transformPose('/map', pose) for pose in msg.poses]
                except tf.Exception:
                    rospy.logerr("TF Error")
                    data = []
            else:
                data = msg.poses

            if len(data) > 0:
                start = data[0].pose.position
                pp.moveTo(start.x / self.resolution, start.y / self.resolution)

                for pose in data:
                    pt = pose.pose.position
                    pp.lineTo(pt.x / self.resolution, pt.y / self.resolution)

                path.path = pp
                self.path_changed.emit(name)

        path.color = random.choice(self._colors)
        self._colors.remove(path.color)

        path.cb = c
        path.sub = rospy.Subscriber(path.name, Path, path.cb)

        self._paths[name] = path

    def add_polygon(self, name):
        poly = PathInfo(name)

        def c(msg):
            if not self._map:
                return

            if not (msg.header.frame_id == '/map' or msg.header.frame_id == ''):
                try:
                    self._tf.waitForTransform(msg.header.frame_id, '/map', rospy.Time(), rospy.Duration(10))
                    points_stamped = []
                    for pt in msg.polygon.points:
                        ps = PointStamped()
                        ps.header.frame_id = msg.header.frame_id
                        ps.point.x = pt.x
                        ps.point.y = pt.y

                        points_stamped.append(ps)

                    trans_pts = [self._tf.transformPoint('/map', pt).point for pt in points_stamped]
                except tf.Exception:
                    rospy.logerr("TF Error")
                    trans_pts = []
            else:
                trans_pts = [pt for pt in msg.polygon.points]

            if len(trans_pts) > 0:
                pts = [QPointF(pt.x / self.resolution, pt.y / self.resolution) for pt in trans_pts]

                close = trans_pts[0]
                pts.append(QPointF(close.x / self.resolution, close.y / self.resolution))
                poly.path = QPolygonF(pts)

                self.polygon_changed.emit(name)

        poly.color = random.choice(self._colors)
        self._colors.remove(poly.color)

        poly.cb = c
        poly.sub = rospy.Subscriber(poly.name, PolygonStamped, poly.cb)

        self._polygons[name] = poly

    def pose_mode(self):
        if not self._pose_mode:
            self._pose_mode = True
            self._goal_mode = False
            self.setDragMode(QGraphicsView.NoDrag)
        elif self._pose_mode:
            self._pose_mode = False
            self.setDragMode(QGraphicsView.ScrollHandDrag)

    def goal_mode(self):
        if not self._goal_mode:
            self._goal_mode = True
            self._pose_mode = False
            self.setDragMode(QGraphicsView.NoDrag)
        elif self._goal_mode:
            self._goal_mode = False
            self.setDragMode(QGraphicsView.ScrollHandDrag)

    def draw_position(self, e, mirror=True):
        p = self.mapToScene(e.x(), e.y())
        v = (p.x() - self.drag_start[0], p.y() - self.drag_start[1])
        mag = sqrt(pow(v[0], 2) + pow(v[1], 2))
        u = (v[0]/mag, v[1]/mag)

        res = (u[0]*20, u[1]*20)
        path = self._scene.addLine(self.drag_start[0], self.drag_start[1],
                                   self.drag_start[0] + res[0], self.drag_start[1] + res[1])

        if self.last_path:
            self._scene.removeItem(self.last_path)
            self.last_path = None
        self.last_path = path

        if mirror:
            # Mirror point over x axis
            x = ((self.w / 2) - self.drag_start[0]) + (self.w /2)
        else:
            x = self.drag_start[0]

        map_p = [x * self.resolution, self.drag_start[1] * self.resolution]

        angle = atan(u[1] / u[0])
        quat = quaternion_from_euler(0, 0, degrees(angle))

        return map_p, quat

    def mousePressEvent(self, e):
        if self._goal_mode or self._pose_mode:
            p = self.mapToScene(e.x(), e.y())
            self.drag_start = (p.x(), p.y())
        else:
            super(NavView, self).mousePressEvent(e)

    def mouseReleaseEvent(self, e):
        if self._goal_mode:
            self._goal_mode = False
            map_p, quat = self.draw_position(e)

            msg = PoseStamped()
            msg.header.frame_id = '/map'
            msg.header.stamp = rospy.Time.now()

            msg.pose.position.x = map_p[0]
            msg.pose.position.y = map_p[1]
            msg.pose.orientation.w = quat[0]
            msg.pose.orientation.z = quat[3]

            self._goal_pub.publish(msg)

        elif self._pose_mode:
            self._pose_mode = False
            map_p, quat = self.draw_position(e)

            msg = PoseWithCovarianceStamped()
            msg.header.frame_id = '/map'
            msg.header.stamp = rospy.Time.now()

            #TODO: Is it ok to just ignore the covariance matrix here?
            msg.pose.pose.orientation.w = quat[0]
            msg.pose.pose.orientation.z = quat[3]
            msg.pose.pose.position.x = map_p[0]
            msg.pose.pose.position.y = map_p[1]

            self._pose_pub.publish(msg)

        # Clean up the path
        if self.last_path:
            self._scene.removeItem(self.last_path)
            self.last_path = None

    #def mouseMoveEvent(self, e):
    #    if e.buttons() == Qt.LeftButton and (self._pose_mode or self._goal_mode):
    #        map_p, quat = self.draw_position(e)

    def close(self):
        if self.map_sub:
            self.map_sub.unregister()
        for p in self._paths.itervalues():
            if p.sub:
                p.sub.unregister()

        for p in self._polygons.itervalues():
            if p.sub:
                p.sub.unregister()

        super(NavView, self).close()

    def _update(self):
        if self._map_item:
            self._scene.removeItem(self._map_item)

        pixmap = QPixmap.fromImage(self._map)
        self._map_item = self._scene.addPixmap(pixmap)

        # Everything must be mirrored
        self._mirror(self._map_item)

        # Add drag and drop functionality
        self.add_dragdrop(self._map_item)

        self.centerOn(self._map_item)
        self.show()

    def _update_path(self, name):
        old_item = None
        if name in self._paths.keys():
            old_item = self._paths[name].item

        self._paths[name].item = self._scene.addPath(self._paths[name].path, pen=QPen(QColor(*self._paths[name].color)))

        # Everything must be mirrored
        self._mirror(self._paths[name].item)

        if old_item:
            self._scene.removeItem(old_item)

    def _update_polygon(self, name):
        old_item = None
        if name in self._polygons.keys():
            old_item = self._polygons[name].item

        self._polygons[name].item = self._scene.addPolygon(self._polygons[name].path, pen=QPen(QColor(*self._polygons[name].color)))

        # Everything must be mirrored
        self._mirror(self._polygons[name].item)

        if old_item:
            self._scene.removeItem(old_item)

    def _mirror(self, item):
        item.scale(-1, 1)
        item.translate(-self.w, 0)

    def save_settings(self, plugin_settings, instance_settings):
        # TODO add any settings to be saved
        pass

    def restore_settings(self, plugin_settings, instance_settings):
        # TODO add any settings to be restored
        pass
示例#33
0
class NavView(QGraphicsView):
    map_changed = Signal()
    path_changed = Signal(str)
    polygon_changed = Signal(str)

    def __init__(self, map_topic='/map',
                 paths=['/move_base/SBPLLatticePlanner/plan', '/move_base/TrajectoryPlannerROS/local_plan'],
                 polygons=['/move_base/local_costmap/robot_footprint'], tf=None, parent=None):
        super(NavView, self).__init__()
        self._parent = parent

        self._pose_mode = False
        self._goal_mode = False
        self.last_path = None


        self.map_changed.connect(self._update)
        self.destroyed.connect(self.close)

        #ScrollHandDrag
        self.setDragMode(QGraphicsView.ScrollHandDrag)

        self._map = None
        self._map_item = None

        self.w = 0
        self.h = 0

        self._paths = {}
        self._polygons = {}
        self.path_changed.connect(self._update_path)
        self.polygon_changed.connect(self._update_polygon)

        self._colors = [(238, 34, 116), (68, 134, 252), (236, 228, 46), (102, 224, 18), (242, 156, 6), (240, 64, 10), (196, 30, 250)]

        self._scene = QGraphicsScene()

        if tf is None:
            self._tf = tf.TransformListener()
        else:
            self._tf = tf
        self.map_sub = rospy.Subscriber('/map', OccupancyGrid, self.map_cb)

        for path in paths:
            self.add_path(path)

        for poly in polygons:
            self.add_polygon(poly)

        self._pose_pub = rospy.Publisher('/initialpose', PoseWithCovarianceStamped)
        self._goal_pub = rospy.Publisher('/move_base_simple/goal', PoseStamped)

        self.setScene(self._scene)

    def add_dragdrop(self, item):
        # Add drag and drop functionality to all the items in the view
        def c(x, e):
            self.dragEnterEvent(e)
        def d(x, e):
            self.dropEvent(e)
        item.setAcceptDrops(True)
        item.dragEnterEvent = c
        item.dropEvent = d

    def dragEnterEvent(self, e):
        if self._parent:
            self._parent.dragEnterEvent(e)

    def dropEvent(self, e):
        if self._parent:
            self._parent.dropEvent(e)

    def wheelEvent(self, event):
        event.ignore()
        if event.delta() > 0:
            self.scale(1.15, 1.15)
        else:
            self.scale(0.85, 0.85)

    def map_cb(self, msg):
        self.resolution = msg.info.resolution
        self.w = msg.info.width
        self.h = msg.info.height

        a = numpy.array(msg.data, dtype=numpy.uint8, copy=False, order='C')
        a = a.reshape((self.h, self.w))
        if self.w % 4:
            e = numpy.empty((self.h, 4 - self.w % 4), dtype=a.dtype, order='C')
            a = numpy.append(a, e, axis=1)
        image = QImage(a.reshape((a.shape[0] * a.shape[1])), self.w, self.h, QImage.Format_Indexed8)

        for i in reversed(range(101)):
            image.setColor(100 - i, qRgb(i* 2.55, i * 2.55, i * 2.55))
        image.setColor(101, qRgb(255, 0, 0))  # not used indices
        image.setColor(255, qRgb(200, 200, 200))  # color for unknown value -1
        self._map = image
        self.setSceneRect(0, 0, self.w, self.h)
        self.map_changed.emit()

    def add_path(self, name):
        path = PathInfo(name)

        def c(msg):
            if not self._map:
                return

            pp = QPainterPath()

            # Transform everything in to the map frame
            if not (msg.header.frame_id == '/map' or msg.header.frame_id == ''):
                try:
                    self._tf.waitForTransform(msg.header.frame_id, '/map', rospy.Time(), rospy.Duration(10))
                    data = [self._tf.transformPose('/map', pose) for pose in msg.poses]
                except tf.Exception:
                    rospy.logerr("TF Error")
                    data = []
            else:
                data = msg.poses

            if len(data) > 0:
                start = data[0].pose.position
                pp.moveTo(start.x / self.resolution, start.y / self.resolution)

                for pose in data:
                    pt = pose.pose.position
                    pp.lineTo(pt.x / self.resolution, pt.y / self.resolution)

                path.path = pp
                self.path_changed.emit(name)

        path.color = random.choice(self._colors)
        self._colors.remove(path.color)

        path.cb = c
        path.sub = rospy.Subscriber(path.name, Path, path.cb)

        self._paths[name] = path

    def add_polygon(self, name):
        poly = PathInfo(name)

        def c(msg):
            if not self._map:
                return

            if not (msg.header.frame_id == '/map' or msg.header.frame_id == ''):
                try:
                    self._tf.waitForTransform(msg.header.frame_id, '/map', rospy.Time(), rospy.Duration(10))
                    points_stamped = []
                    for pt in msg.polygon.points:
                        ps = PointStamped()
                        ps.header.frame_id = msg.header.frame_id
                        ps.point.x = pt.x
                        ps.point.y = pt.y

                        points_stamped.append(ps)

                    trans_pts = [self._tf.transformPoint('/map', pt).point for pt in points_stamped]
                except tf.Exception:
                    rospy.logerr("TF Error")
                    trans_pts = []
            else:
                trans_pts = [pt for pt in msg.polygon.points]

            if len(trans_pts) > 0:
                pts = [QPointF(pt.x / self.resolution, pt.y / self.resolution) for pt in trans_pts]

                close = trans_pts[0]
                pts.append(QPointF(close.x / self.resolution, close.y / self.resolution))
                poly.path = QPolygonF(pts)

                self.polygon_changed.emit(name)

        poly.color = random.choice(self._colors)
        self._colors.remove(poly.color)

        poly.cb = c
        poly.sub = rospy.Subscriber(poly.name, PolygonStamped, poly.cb)

        self._polygons[name] = poly

    def pose_mode(self):
        if not self._pose_mode:
            self._pose_mode = True
            self._goal_mode = False
            self.setDragMode(QGraphicsView.NoDrag)
        elif self._pose_mode:
            self._pose_mode = False
            self.setDragMode(QGraphicsView.ScrollHandDrag)

    def goal_mode(self):
        if not self._goal_mode:
            self._goal_mode = True
            self._pose_mode = False
            self.setDragMode(QGraphicsView.NoDrag)
        elif self._goal_mode:
            self._goal_mode = False
            self.setDragMode(QGraphicsView.ScrollHandDrag)

    def draw_position(self, e, mirror=True):
        p = self.mapToScene(e.x(), e.y())
        v = (p.x() - self.drag_start[0], p.y() - self.drag_start[1])
        mag = sqrt(pow(v[0], 2) + pow(v[1], 2))
        u = (v[0]/mag, v[1]/mag)

        res = (u[0]*20, u[1]*20)
        path = self._scene.addLine(self.drag_start[0], self.drag_start[1],
                                   self.drag_start[0] + res[0], self.drag_start[1] + res[1])

        if self.last_path:
            self._scene.removeItem(self.last_path)
            self.last_path = None
        self.last_path = path

        if mirror:
            # Mirror point over x axis
            x = ((self.w / 2) - self.drag_start[0]) + (self.w /2)
        else:
            x = self.drag_start[0]

        map_p = [x * self.resolution, self.drag_start[1] * self.resolution]

        angle = atan(u[1] / u[0])
        quat = quaternion_from_euler(0, 0, degrees(angle))

        return map_p, quat

    def mousePressEvent(self, e):
        if self._goal_mode or self._pose_mode:
            p = self.mapToScene(e.x(), e.y())
            self.drag_start = (p.x(), p.y())
        else:
            super(NavView, self).mousePressEvent(e)

    def mouseReleaseEvent(self, e):
        if self._goal_mode:
            self._goal_mode = False
            map_p, quat = self.draw_position(e)

            msg = PoseStamped()
            msg.header.frame_id = '/map'
            msg.header.stamp = rospy.Time.now()

            msg.pose.position.x = map_p[0]
            msg.pose.position.y = map_p[1]
            msg.pose.orientation.w = quat[0]
            msg.pose.orientation.z = quat[3]

            self._goal_pub.publish(msg)

        elif self._pose_mode:
            self._pose_mode = False
            map_p, quat = self.draw_position(e)

            msg = PoseWithCovarianceStamped()
            msg.header.frame_id = '/map'
            msg.header.stamp = rospy.Time.now()

            #TODO: Is it ok to just ignore the covariance matrix here?
            msg.pose.pose.orientation.w = quat[0]
            msg.pose.pose.orientation.z = quat[3]
            msg.pose.pose.position.x = map_p[0]
            msg.pose.pose.position.y = map_p[1]

            self._pose_pub.publish(msg)

        # Clean up the path
        if self.last_path:
            self._scene.removeItem(self.last_path)
            self.last_path = None

    #def mouseMoveEvent(self, e):
    #    if e.buttons() == Qt.LeftButton and (self._pose_mode or self._goal_mode):
    #        map_p, quat = self.draw_position(e)

    def close(self):
        if self.map_sub:
            self.map_sub.unregister()
        for p in self._paths.itervalues():
            if p.sub:
                p.sub.unregister()

        for p in self._polygons.itervalues():
            if p.sub:
                p.sub.unregister()

        super(NavView, self).close()

    def _update(self):
        if self._map_item:
            self._scene.removeItem(self._map_item)

        pixmap = QPixmap.fromImage(self._map)
        self._map_item = self._scene.addPixmap(pixmap)

        # Everything must be mirrored
        self._mirror(self._map_item)

        # Add drag and drop functionality
        self.add_dragdrop(self._map_item)

        self.centerOn(self._map_item)
        self.show()

    def _update_path(self, name):
        old_item = None
        if name in self._paths.keys():
            old_item = self._paths[name].item

        self._paths[name].item = self._scene.addPath(self._paths[name].path, pen=QPen(QColor(*self._paths[name].color)))

        # Everything must be mirrored
        self._mirror(self._paths[name].item)

        if old_item:
            self._scene.removeItem(old_item)

    def _update_polygon(self, name):
        old_item = None
        if name in self._polygons.keys():
            old_item = self._polygons[name].item

        self._polygons[name].item = self._scene.addPolygon(self._polygons[name].path, pen=QPen(QColor(*self._polygons[name].color)))

        # Everything must be mirrored
        self._mirror(self._polygons[name].item)

        if old_item:
            self._scene.removeItem(old_item)

    def _mirror(self, item):
        item.scale(-1, 1)
        item.translate(-self.w, 0)

    def save_settings(self, plugin_settings, instance_settings):
        # TODO add any settings to be saved
        pass

    def restore_settings(self, plugin_settings, instance_settings):
        # TODO add any settings to be restored
        pass
class ImageView(TopicMessageView):
    """
    Popup image viewer
    """
    name = 'Image'

    def __init__(self, timeline, parent):
        super(ImageView, self).__init__(timeline, parent)

        self._image = None
        self._image_topic = None
        self._image_stamp = None
        self.quality = Image.NEAREST  # quality hint for scaling

        # TODO put the image_topic and image_stamp on the picture or display them in some fashion
        self._overlay_font_size = 14.0
        self._overlay_indent = (4, 4)
        self._overlay_color = (0.2, 0.2, 1.0)

        self._image_view = QGraphicsView(parent)
        self._image_view.resizeEvent = self._resizeEvent
        self._scene = QGraphicsScene()
        self._image_view.setScene(self._scene)
        parent.layout().addWidget(self._image_view)

    # MessageView implementation
    def _resizeEvent(self, event):
        # TODO make this smarter. currently there will be no scrollbar even if the timeline extends beyond the viewable area
        self._scene.setSceneRect(0, 0,
                                 self._image_view.size().width() - 2,
                                 self._image_view.size().height() - 2)
        self.put_image_into_scene()

    def message_viewed(self, bag, msg_details):
        """
        refreshes the image
        """
        TopicMessageView.message_viewed(self, bag, msg_details)
        topic, msg, t = msg_details[:3]
        if not msg:
            self.set_image(None, topic, stamp)
        else:
            self.set_image(msg, topic, msg.header.stamp)

    def message_cleared(self):
        TopicMessageView.message_cleared(self)
        self.set_image(None, None, None)

    # End MessageView implementation
    def put_image_into_scene(self):
        if self._image:
            resized_image = self._image.resize(
                (self._image_view.size().width() - 2,
                 self._image_view.size().height() - 2), self.quality)

            QtImage = ImageQt.ImageQt(resized_image)
            pixmap = QPixmap.fromImage(QtImage)
            self._scene.clear()
            self._scene.addPixmap(pixmap)

    def set_image(self, image_msg, image_topic, image_stamp):
        self._image_msg = image_msg
        if image_msg:
            self._image = image_helper.imgmsg_to_pil(image_msg)
        else:
            self._image = None
        self._image_topic = image_topic
        self._image_stamp = image_stamp
        self.put_image_into_scene()
示例#35
0
class ImageView(TopicMessageView):
    """
    Popup image viewer
    """
    name = 'Image'

    def __init__(self, timeline, parent, topic):
        super(ImageView, self).__init__(timeline, parent, topic)

        self._image = None
        self._image_topic = None
        self._image_stamp = None
        self.quality = Image.NEAREST  # quality hint for scaling

        # TODO put the image_topic and image_stamp on the picture or display them in some fashion
        self._overlay_font_size = 14.0
        self._overlay_indent = (4, 4)
        self._overlay_color = (0.2, 0.2, 1.0)

        self._image_view = QGraphicsView(parent)
        self._image_view.resizeEvent = self._resizeEvent
        self._scene = QGraphicsScene()
        self._image_view.setScene(self._scene)
        parent.layout().addWidget(self._image_view)

    # MessageView implementation
    def _resizeEvent(self, event):
        # TODO make this smarter. currently there will be no scrollbar even if the timeline extends beyond the viewable area
        self._scene.setSceneRect(0, 0, self._image_view.size().width() - 2, self._image_view.size().height() - 2)
        self.put_image_into_scene()

    def message_viewed(self, bag, msg_details):
        """
        refreshes the image
        """
        TopicMessageView.message_viewed(self, bag, msg_details)
        topic, msg, t = msg_details[:3]
        if not msg:
            self.set_image(None, topic, 'no message')
        else:
            self.set_image(msg, topic, msg.header.stamp)

    def message_cleared(self):
        TopicMessageView.message_cleared(self)
        self.set_image(None, None, None)

    # End MessageView implementation
    def put_image_into_scene(self):
        if self._image:
            resized_image = self._image.resize((self._image_view.size().width() - 2, self._image_view.size().height() - 2), self.quality)

            QtImage = ImageQt(resized_image)
            pixmap = QPixmap.fromImage(QtImage)
            self._scene.clear()
            self._scene.addPixmap(pixmap)

    def set_image(self, image_msg, image_topic, image_stamp):
        self._image_msg = image_msg
        if image_msg:
            self._image = image_helper.imgmsg_to_pil(image_msg)
        else:
            self._image = None
        self._image_topic = image_topic
        self._image_stamp = image_stamp
        self.put_image_into_scene()
示例#36
0
文件: nav_view.py 项目: daju1-ros/rqt
class NavView(QGraphicsView):
    map_changed = Signal()
    path_changed = Signal(str)
    polygon_changed = Signal(str)

    def __init__(self, map_topic='/map',
                 paths=['/move_base/SBPLLatticePlanner/plan', '/move_base/TrajectoryPlannerROS/local_plan'],
                 polygons=['/move_base/local_costmap/robot_footprint']):
        super(NavView, self).__init__()

        self.map_changed.connect(self._update)
        self.destroyed.connect(self.close)

        #ScrollHandDrag
        self.setDragMode(QGraphicsView.ScrollHandDrag)

        self._map = None
        self._map_item = None

        self.w = 0
        self.h = 0

        self._paths = {}
        self._polygons = {}
        self.path_changed.connect(self._update_path)
        self.polygon_changed.connect(self._update_polygon)

        self._colors = [(238, 34, 116), (68, 134, 252), (236, 228, 46), (102, 224, 18), (242, 156, 6), (240, 64, 10), (196, 30, 250)]

        self._scene = QGraphicsScene()

        self._tf = tf.TransformListener()
        self.map_sub = rospy.Subscriber('/map', OccupancyGrid, self.map_cb)

        for path in paths:
            self.add_path(path)

        for poly in polygons:
            self.add_polygon(poly)

        self.setScene(self._scene)

    def wheelEvent(self, event):
        event.ignore()
        if event.delta() > 0:
            self.scale(1.15, 1.15)
        else:
            self.scale(0.85, 0.85)

    def map_cb(self, msg):
        self.resolution = msg.info.resolution
        self.w = msg.info.width
        self.h = msg.info.height

        a = numpy.array(msg.data, dtype=numpy.uint8, copy=False, order='C')
        a = a.reshape((self.h, self.w))
        if self.w % 4:
            e = numpy.empty((self.h, 4 - self.w % 4), dtype=a.dtype, order='C')
            a = numpy.append(a, e, axis=1)
        image = QImage(a.reshape((a.shape[0] * a.shape[1])), self.w, self.h, QImage.Format_Indexed8)

        for i in range(101):
            image.setColor(i, qRgb(i * 2.55, i * 2.55, i * 2.55))
        image.setColor(101, qRgb(255, 0, 0))  # not used indices
        image.setColor(255, qRgb(0, 0, 150))  # color for unknown value -1
        self._map = image
        self.setSceneRect(0, 0, self.w, self.h)
        self.map_changed.emit()

    def add_path(self, name):
        path = PathInfo(name)

        def c(msg):
            pp = QPainterPath()

            # Transform everything in to the map frame
            if not (msg.header.frame_id == '/map' or msg.header.frame_id == ''):
                try:
                    self._tf.waitForTransform(msg.header.frame_id, '/map', rospy.Time(), rospy.Duration(10))
                    data = [self._tf.transformPose('/map', pose) for pose in msg.poses]
                except tf.Exception:
                    rospy.logerr("TF Error")
                    data = []
            else:
                data = msg.poses

            if len(data) > 0:
                start = data[0].pose.position
                pp.moveTo(start.x / self.resolution, start.y / self.resolution)

                for pose in data:
                    pt = pose.pose.position
                    pp.lineTo(pt.x / self.resolution, pt.y / self.resolution)

                path.path = pp
                self.path_changed.emit(name)

        path.color = random.choice(self._colors)
        self._colors.remove(path.color)

        path.cb = c
        path.sub = rospy.Subscriber(path.name, Path, path.cb)

        self._paths[name] = path

    def add_polygon(self, name):
        poly = PathInfo(name)

        def c(msg):
            if not (msg.header.frame_id == '/map' or msg.header.frame_id == ''):
                try:
                    self._tf.waitForTransform(msg.header.frame_id, '/map', rospy.Time(), rospy.Duration(10))
                    points_stamped = []
                    for pt in msg.polygon.points:
                        ps = PointStamped()
                        ps.header.frame_id = msg.header.frame_id
                        ps.point.x = pt.x
                        ps.point.y = pt.y

                        points_stamped.append(ps)

                    trans_pts = [self._tf.transformPoint('/map', pt).point for pt in points_stamped]
                except tf.Exception:
                    rospy.logerr("TF Error")
                    trans_pts = []
            else:
                trans_pts = [pt for pt in msg.polygon.points]

            if len(trans_pts) > 0:
                pts = [QPointF(pt.x / self.resolution, pt.y / self.resolution) for pt in trans_pts]

                close = trans_pts[0]
                pts.append(QPointF(close.x / self.resolution, close.y / self.resolution))
                poly.path = QPolygonF(pts)

                self.polygon_changed.emit(name)

        poly.color = random.choice(self._colors)
        self._colors.remove(poly.color)

        poly.cb = c
        poly.sub = rospy.Subscriber(poly.name, PolygonStamped, poly.cb)

        self._polygons[name] = poly

    def close(self):
        if self.map_sub:
            self.map_sub.unregister()
        for p in self._paths.itervalues():
            if p.sub:
                p.sub.unregister()

        for p in self._polygons.itervalues():
            if p.sub:
                p.sub.unregister()

    def _update(self):
        if self._map_item:
            self._scene.removeItem(self._map_item)

        pixmap = QPixmap.fromImage(self._map)
        self._map_item = self._scene.addPixmap(pixmap)

        # Everything must be mirrored
        self._mirror(self._map_item)

        self.centerOn(self._map_item)
        self.show()

    def _update_path(self, name):
        old_item = None
        if name in self._paths.keys():
            old_item = self._paths[name].item

        self._paths[name].item = self._scene.addPath(self._paths[name].path, pen=QPen(QColor(*self._paths[name].color)))

        # Everything must be mirrored
        self._mirror(self._paths[name].item)

        if old_item:
            self._scene.removeItem(old_item)

    def _update_polygon(self, name):
        old_item = None
        if name in self._polygons.keys():
            old_item = self._polygons[name].item

        self._polygons[name].item = self._scene.addPolygon(self._polygons[name].path, pen=QPen(QColor(*self._polygons[name].color)))

        # Everything must be mirrored
        self._mirror(self._polygons[name].item)

        if old_item:
            self._scene.removeItem(old_item)

    def _mirror(self, item):
        item.scale(-1, 1)
        item.translate(-self.w, 0)
示例#37
0
    def __init__(self, context):
        super(RosPackGraph, self).__init__(context)
        self.initialized = False
        self._current_dotcode = None
        self._update_thread = WorkerThread(self._update_thread_run, self._update_finished)
        self._nodes = {}
        self._edges = {}
        self._options = {}
        self._options_serialized = ''

        self.setObjectName('RosPackGraph')

        rospack = rospkg.RosPack()
        rosstack = rospkg.RosStack()

        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosPackageGraphDotcodeGenerator(rospack, rosstack)
        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        self._widget = QWidget()
        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_dep'), 'resource', 'RosPackGraph.ui')
        loadUi(ui_file, self._widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosPackGraphUi')
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.depth_combo_box.insertItem(0, self.tr('infinite'), -1)
        self._widget.depth_combo_box.insertItem(1, self.tr('1'), 2)
        self._widget.depth_combo_box.insertItem(2, self.tr('2'), 3)
        self._widget.depth_combo_box.insertItem(3, self.tr('3'), 4)
        self._widget.depth_combo_box.insertItem(4, self.tr('4'), 5)
        self._widget.depth_combo_box.currentIndexChanged.connect(self._refresh_rospackgraph)

        self._widget.directions_combo_box.insertItem(0, self.tr('depends'), 0)
        self._widget.directions_combo_box.insertItem(1, self.tr('depends_on'), 1)
        self._widget.directions_combo_box.insertItem(2, self.tr('both'), 2)
        self._widget.directions_combo_box.currentIndexChanged.connect(self._refresh_rospackgraph)

        self._widget.package_type_combo_box.insertItem(0, self.tr('wet & dry'), 3)
        self._widget.package_type_combo_box.insertItem(1, self.tr('wet only'), 2)
        self._widget.package_type_combo_box.insertItem(2, self.tr('dry only'), 1)
        self._widget.package_type_combo_box.currentIndexChanged.connect(self._refresh_rospackgraph)

        completionmodel = StackageCompletionModel(self._widget.filter_line_edit, rospack, rosstack)
        completer = RepeatedWordCompleter(completionmodel, self)
        completer.setCompletionMode(QCompleter.PopupCompletion)
        completer.setWrapAround(True)

        completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.filter_line_edit.editingFinished.connect(self._refresh_rospackgraph)
        self._widget.filter_line_edit.setCompleter(completer)
        self._widget.filter_line_edit.selectionChanged.connect(self._clear_filter)
        
        self._widget.with_stacks_check_box.clicked.connect(self._refresh_rospackgraph)
        self._widget.mark_check_box.clicked.connect(self._refresh_rospackgraph)
        self._widget.colorize_check_box.clicked.connect(self._refresh_rospackgraph)
        self._widget.hide_transitives_check_box.clicked.connect(self._refresh_rospackgraph)

        self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self._widget.refresh_graph_push_button.pressed.connect(self._update_rospackgraph)

        self._widget.highlight_connections_check_box.toggled.connect(self._refresh_rospackgraph)
        self._widget.auto_fit_graph_check_box.toggled.connect(self._refresh_rospackgraph)
        self._widget.fit_in_view_push_button.setIcon(QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_dot_push_button.setIcon(QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(QIcon.fromTheme('image'))
        self._widget.save_as_image_push_button.pressed.connect(self._save_image)

        self._deferred_fit_in_view.connect(self._fit_in_view, Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        context.add_widget(self._widget)
        
        # If in either of following case, this turnes True
        # - 1st filtering key is already input by user
        # - filtering key is restored
        self._filtering_started = False
示例#38
0
class GraphWidget(QWidget):
    @staticmethod
    def get_unique_name(context):
        return ("Decision Graph (%d)" % context.serial_number()) if context.serial_number() > 1 else "Decision Graph"

    @staticmethod
    def get_file_name(absolute_path):
        return ".".join(path.basename(absolute_path).split(".")[:-1])

    def __init__(self, ros_package):
        super(GraphWidget, self).__init__()

        self._current_graph = None
        self._lock = Lock()

        self._load_ui(ros_package)

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        factory = DmgItemFactory()
        factory.set_color(QColor(50, 50, 50))
        factory.set_highlighted_color(QColor(0, 150, 0))
        self._dot_to_qt = DotToQtGenerator(factory)

        self.initialized = False
        self.setObjectName("GraphWidget")

        self.graphics_view.setScene(self._scene)
        self.open_button.setIcon(QIcon.fromTheme("document-open"))
        self.open_button.pressed.connect(self._import)
        self.export_button.setIcon(QIcon.fromTheme("document-export"))
        self.export_button.pressed.connect(self._export)
        self.fit_to_view_button.setIcon(QIcon.fromTheme("zoom-fit-best"))
        self.fit_to_view_button.pressed.connect(self._fit_to_view)

        self.decision_graphs_combo_box.setSizeAdjustPolicy(QComboBox.AdjustToMinimumContentsLength)
        self.decision_graphs_combo_box.currentIndexChanged["QString"].connect(self._graph_item_changed)

        self._dot_processor = DotProcessor(self._dot_to_qt)

        self.decision_graphs = dict()
        self.states = dict()

    def update(self, message):
        data = self._get_data_from_message(message)
        key = self._get_key(data)

        if key not in self.decision_graphs:
            try:
                self._add_graph(key, data)
                print "INFO: Graph has been added"
            except GraphParseException as ex:
                print "ERROR: Failed to load graph: %s", ex.message
        else:
            self.states[key] = data["name"], data["status"]

            if self.decision_graphs[key].graph_id != message.status[0].values[-1].value:
                self.decision_graphs[key].graph_id = message.status[0].values[-1].value
                print "INFO: Graph id has been changed"
            elif self._current_graph == self.decision_graphs[key]:
                if not self._update_graph(data["name"], data["status"]):
                    print "WARNING: Failed to find appropriate graph for update"

    def _load_ui(self, ros_package):
        user_interface_file = path.join(ros_package.get_path("rqt_decision_graph"), "resource", "DecisionGraph.ui")

        loadUi(user_interface_file, self, {"InteractiveGraphicsView": InteractiveGraphicsView})

    def _import(self):
        file_path, _ = QFileDialog.getOpenFileName(
            self, self.tr("Import custom graph"), None, self.tr("DOT graph (*.dot)")
        )

        if file_path is None or file_path == "":
            return

        custom_graph = Graph(self._dot_processor, file_path, file_path)
        self.decision_graphs[custom_graph.source] = custom_graph
        self._current_graph = custom_graph

        self.decision_graphs_combo_box.addItem(custom_graph.source)
        self.decision_graphs_combo_box.setCurrentIndex(self.decision_graphs_combo_box.findText(custom_graph.source))

    # Export graph as image
    def _export(self):
        file_name, _ = QFileDialog.getSaveFileName(
            self, self.tr("Save as image"), "graph.png", self.tr("Image (*.bmp *.jpg *.png *.tiff)")
        )

        if file_name is None or file_name == "":
            return

        img = QImage((self._scene.sceneRect().size() * 2.0).toSize(), QImage.Format_ARGB32_Premultiplied)
        painter = QPainter(img)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()
        img.save(file_name)

    def _add_graph(self, key, data):
        self._lock.acquire()

        decision_graph = DecisionGraph(
            data["name"].split("/")[1],
            data["node_run_id"],
            data["node_name"],
            data["node_exe_file"],
            data["node_exe_dir"],
            self._dot_processor,
            key,
        )

        self.decision_graphs[key] = decision_graph
        self.decision_graphs_combo_box.addItem(key)

        self._lock.release()

    def _reset_graph_state(self, name, status):
        if self._current_graph is not None:
            for node in self._current_graph.nodes.values():
                if name[: len(node.url)] == node.url:
                    node.highlight(True) if "started" == status else node.highlight(False)

    def _update_graph(self, name, status):
        self._lock.acquire()
        is_updated = False
        if self._current_graph is not None:
            for node in self._current_graph.nodes.values():
                if "started" == status and name[: len(node.url)] == node.url:
                    node.highlight(True)
                    is_updated = True
                elif "stopped" == status and name == node.url:
                    node.highlight(False)
                    is_updated = True

        self._lock.release()

        return is_updated

    def _graph_item_changed(self, event):
        self._lock.acquire()
        if event in self.decision_graphs:
            self._current_graph = self.decision_graphs[event]
            self._redraw_graph_view()
            self._fit_to_view()

            if isinstance(self._current_graph, DecisionGraph):
                state = self.states.get(self._current_graph.key, None)
                if state is not None:
                    self._reset_graph_state(state[0], state[1])

        self._lock.release()

    def _get_data_from_message(self, message):
        return {value.key: value.value for value in message.status[0].values}

    def _get_key(self, data):
        return data["name"].split("/")[1] + data["node_name"]

    def _redraw_graph_view(self):

        self._current_graph.load()
        self._scene.clear()

        for node_item in self._current_graph.nodes.itervalues():
            self._scene.addItem(node_item)
        for edge_items in self._current_graph.edges.itervalues():
            for edge_item in edge_items:
                edge_item.add_to_scene(self._scene)

        self._scene.setSceneRect(self._scene.itemsBoundingRect())

    def _fit_to_view(self):
        self.graphics_view.fitInView(self._scene.itemsBoundingRect(), Qt.KeepAspectRatio)
示例#39
0
class QMapView(QGraphicsView):
    map_changed = Signal()

    def __init__(self, parent=None):
        super(QMapView, self).__init__()
        self._parent = parent
        self._scene = QGraphicsScene()

        self.map_changed.connect(self._update_map)
        self.destroyed.connect(self.close)

        # ScrollHandDrag
        self.setDragMode(QGraphicsView.ScrollHandDrag)

        self._map = None
        self.w = 0
        self.h = 0        
        self._map_item = {}

        self._polygons = {}
        self._colors = [(238, 34, 116), (68, 134, 252), (236, 228, 46), (102, 224, 18), (242, 156, 6), (240, 64, 10), (196, 30, 250)]

        self.setScene(self._scene)

    def add_dragdrop(self, item):
        # Add drag and drop functionality to all the items in the view
        def c(x, e):
            self.dragEnterEvent(e)

        def d(x, e):
            self.dropEvent(e)
        item.setAcceptDrops(True)
        item.dragEnterEvent = c
        item.dropEvent = d

    def dragEnterEvent(self, e):
        if self._parent:
            self._parent.dragEnterEvent(e)

    def dropEvent(self, e):
        if self._parent:
            self._parent.dropEvent(e)

    def wheelEvent(self, event):
        event.ignore()
        if event.delta() > 0:
            self.scale(1.15, 1.15)
        else:
            self.scale(0.85, 0.85)

    @pyqtSlot(nav_msgs.OccupancyGrid, name='map_received')
    def map_cb(self, msg):
        self.resolution = msg.info.resolution
        self.w = msg.info.width
        self.h = msg.info.height

        a = numpy.array(msg.data, dtype=numpy.uint8, copy=False, order='C')
        a = a.reshape((self.h, self.w))
        if self.w % 4:
            e = numpy.empty((self.h, 4 - self.w % 4), dtype=a.dtype, order='C')
            a = numpy.append(a, e, axis=1)
        image = QImage(a.reshape((a.shape[0] * a.shape[1])), self.w, self.h, QImage.Format_Indexed8)

        for i in reversed(range(101)):
            image.setColor(100 - i, qRgb(i * 2.55, i * 2.55, i * 2.55))
        image.setColor(101, qRgb(255, 0, 0))  # not used indices
        image.setColor(255, qRgb(200, 200, 200))  # color for unknown value -1
        self._map = image
        self.setSceneRect(0, 0, self.w, self.h)
        self.map_changed.emit()

    def _update_map(self):
        if self._map_item:
            self._scene.removeItem(self._map_item)

        pixmap = QPixmap.fromImage(self._map)
        self._map_item = self._scene.addPixmap(pixmap)

        # Everything must be mirrored
        self._mirror(self._map_item)

        # Add drag and drop functionality
        self.add_dragdrop(self._map_item)

        self.centerOn(self._map_item)
        self.show()

    def _mirror(self, item):
        item.scale(-1, 1)
        item.translate(-self.w, 0)

    def save_settings(self, plugin_settings, instance_settings):
        # TODO add any settings to be saved
        pass

    def restore_settings(self, plugin_settings, instance_settings):
        # TODO add any settings to be restored
        pass
示例#40
0
class RosTfTree(QObject):

    _deferred_fit_in_view = Signal()

    def __init__(self, context):
        super(RosTfTree, self).__init__(context)
        self.initialized = False

        self.setObjectName('RosTfTree')

        self._current_dotcode = None

        self._widget = QWidget()

        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosTfTreeDotcodeGenerator()
        self.tf2_buffer_ = tf2_ros.Buffer()
        self.tf2_listener_ = tf2_ros.TransformListener(self.tf2_buffer_)

        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_tf_tree'), 'resource', 'RosTfTree.ui')
        loadUi(ui_file, self._widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosTfTreeUi')
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self._widget.refresh_graph_push_button.pressed.connect(self._update_tf_graph)

        self._widget.highlight_connections_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.fit_in_view_push_button.setIcon(QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_dot_push_button.setIcon(QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(QIcon.fromTheme('image-x-generic'))
        self._widget.save_as_image_push_button.pressed.connect(self._save_image)

        self._deferred_fit_in_view.connect(self._fit_in_view,
                                           Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        context.add_widget(self._widget)

        self._force_refresh = False

    def save_settings(self, plugin_settings, instance_settings):
        instance_settings.set_value('auto_fit_graph_check_box_state',
                                    self._widget.auto_fit_graph_check_box.isChecked())
        instance_settings.set_value('highlight_connections_check_box_state',
                                    self._widget.highlight_connections_check_box.isChecked())

    def restore_settings(self, plugin_settings, instance_settings):
        self._widget.auto_fit_graph_check_box.setChecked(
            instance_settings.value('auto_fit_graph_check_box_state', True) in [True, 'true'])
        self._widget.highlight_connections_check_box.setChecked(
            instance_settings.value('highlight_connections_check_box_state', True) in [True, 'true'])
        self.initialized = True
        self._refresh_tf_graph()

    def _update_tf_graph(self):
        self._force_refresh = True
        self._refresh_tf_graph()

    def _refresh_tf_graph(self):
        if not self.initialized:
            return
        self._update_graph_view(self._generate_dotcode())

    def _generate_dotcode(self):
        force_refresh = self._force_refresh
        self._force_refresh = False
        rospy.wait_for_service('~tf2_frames')
        tf2_frame_srv = rospy.ServiceProxy('~tf2_frames', FrameGraph)
        return self.dotcode_generator.generate_dotcode(dotcode_factory=self.dotcode_factory,
                                                       tf2_frame_srv=tf2_frame_srv,
                                                       force_refresh=force_refresh)

    def _update_graph_view(self, dotcode):
        if dotcode == self._current_dotcode:
            return
        self._current_dotcode = dotcode
        self._redraw_graph_view()

    def _generate_tool_tip(self, url):
        return url

    def _redraw_graph_view(self):
        self._scene.clear()

        if self._widget.highlight_connections_check_box.isChecked():
            highlight_level = 3
        else:
            highlight_level = 1

        (nodes, edges) = self.dot_to_qt.dotcode_to_qt_items(self._current_dotcode,
                                                            highlight_level)

        for node_item in nodes.itervalues():
            self._scene.addItem(node_item)
        for edge_items in edges.itervalues():
            for edge_item in edge_items:
                edge_item.add_to_scene(self._scene)

        self._scene.setSceneRect(self._scene.itemsBoundingRect())
        if self._widget.auto_fit_graph_check_box.isChecked():
            self._fit_in_view()

    def _load_dot(self, file_name=None):
        if file_name is None:
            file_name, _ = QFileDialog.getOpenFileName(
                self._widget,
                self.tr('Open graph from file'),
                None,
                self.tr('DOT graph (*.dot)'))
            if file_name is None or file_name == '':
                return

        try:
            fhandle = open(file_name, 'rb')
            dotcode = fhandle.read()
            fhandle.close()
        except IOError:
            return

        self._update_graph_view(dotcode)

    def _fit_in_view(self):
        self._widget.graphics_view.fitInView(self._scene.itemsBoundingRect(),
                                             Qt.KeepAspectRatio)

    def _save_dot(self):
        file_name, _ = QFileDialog.getSaveFileName(self._widget,
                                                   self.tr('Save as DOT'),
                                                   'frames.dot',
                                                   self.tr('DOT graph (*.dot)'))
        if file_name is None or file_name == '':
            return

        file = QFile(file_name)
        if not file.open(QIODevice.WriteOnly | QIODevice.Text):
            return

        file.write(self._current_dotcode)
        file.close()

    def _save_svg(self):
        file_name, _ = QFileDialog.getSaveFileName(
            self._widget,
            self.tr('Save as SVG'),
            'frames.svg',
            self.tr('Scalable Vector Graphic (*.svg)'))
        if file_name is None or file_name == '':
            return

        generator = QSvgGenerator()
        generator.setFileName(file_name)
        generator.setSize((self._scene.sceneRect().size() * 2.0).toSize())

        painter = QPainter(generator)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()

    def _save_image(self):
        file_name, _ = QFileDialog.getSaveFileName(
            self._widget,
            self.tr('Save as image'),
            'frames.png',
            self.tr('Image (*.bmp *.jpg *.png *.tiff)'))
        if file_name is None or file_name == '':
            return

        img = QImage((self._scene.sceneRect().size() * 2.0).toSize(),
                     QImage.Format_ARGB32_Premultiplied)
        painter = QPainter(img)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()
        img.save(file_name)
示例#41
0
class TimelineWidget(QWidget):
    class TimelineView(QGraphicsView):
        def __init__(self, parent):
            super(TimelineWidget.TimelineView, self).__init__()
            self.parent = parent

        def mouseReleaseEvent(self, event):
            self.parent.mouse_release(event)

    update = pyqtSignal()
    def __init__(self, parent):
        super(TimelineWidget, self).__init__()
        self.parent = parent

        self._layout = QHBoxLayout()

        #self._view = QGraphicsView()
        self._view = TimelineWidget.TimelineView(self)

        self._scene = QGraphicsScene()
        self._colors = [QColor('green'), QColor('yellow'), QColor('red')]

        self._messages = [None for x in range(20)]
        self._mq = [1 for x in range(20)] 

        self._view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self._view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self._view.setScene(self._scene)
        self._layout.addWidget(self._view, 1)

        self.pause_button = QPushButton('Pause')
        self.pause_button.setCheckable(True)
        self.pause_button.clicked.connect(self.pause)
        self._layout.addWidget(self.pause_button)

        self.setLayout(self._layout)

        self.update.connect(self.redraw)

    def redraw(self):
        self._scene.clear()
        self._scene
        for i, m in enumerate(self._mq):
            w = float(self._view.viewport().width())/len(self._mq)
            h = self._view.viewport().height()
            rect = self._scene.addRect(w*i, 0, w, h, QColor('black'), self._colors[m])

    def mouse_release(self, event):
        i = int(floor(event.x()/(float(self._view.viewport().width())/len(self._mq))))

        msg = self._messages[i]
        if msg:
            self.parent.pause(msg)
            if not self.pause_button.isChecked():
                self.pause_button.toggle()

    def resizeEvent(self, event):
        self.redraw()

    def get_worst(self, msg):
        lvl = 0
        for status in msg.status:
            if status.level > lvl:
                lvl = status.level

        return lvl

    def add_message(self, msg):
        self._messages = self._messages[1:]
        self._messages.append(msg)

        self._mq = self._mq[1:]
        try:
            lvl = msg.level
        except AttributeError:
            lvl = self.get_worst(msg)

        if lvl > 2:
            lvl = 2

        self._mq.append(lvl)

        self.update.emit()

    def pause(self, state):
        if state:
            self.parent.pause(self._messages[-1])
        else:
            self.parent.unpause()
示例#42
0
    def __init__(self, context):
        super(RosBehaviourTree, self).__init__(context)
        self.setObjectName('RosBehaviourTree')

        parser = argparse.ArgumentParser()
        RosBehaviourTree.add_arguments(parser, False)
        # if the context doesn't have an argv attribute then assume we're running with --no-roscore
        if not hasattr(context, 'argv'):
            args = sys.argv[1:]
            # Can run the viewer with or without live updating. Running without is
            # intended for viewing of bags only
            self.live_update = False
        else:
            args = context.argv()
            self.live_update = True

        parsed_args = parser.parse_args(args)

        self.context = context
        self.initialized = False
        self._current_dotcode = None  # dotcode for the tree that is currently displayed
        self._viewing_bag = False  # true if a bag file is loaded
        # True if next or previous buttons are pressed. Reset if the tree being
        # viewed is the last one in the list.
        self._browsing_timeline = False

        self._widget = QWidget()

        # factory builds generic dotcode items
        self.dotcode_factory = PygraphvizFactory()  # PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosBehaviourTreeDotcodeGenerator()
        self.current_topic = None
        self.behaviour_sub = None
        self._tip_message = None  # message of the tip of the tree
        self._saved_settings_topic = None  # topic subscribed to by previous instance
        self.visibility_level = py_trees.common.VisibilityLevel.DETAIL

        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_py_trees'), 'resource',
                               'RosBehaviourTree.ui')
        loadUi(ui_file, self._widget,
               {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosBehaviourTreeUi')
        if hasattr(context, 'serial_number') and context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() +
                                        (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.highlight_connections_check_box.toggled.connect(
            self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(
            self._redraw_graph_view)
        self._widget.fit_in_view_push_button.setIcon(
            QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_bag_push_button.setIcon(
            QIcon.fromTheme('document-open'))
        self._widget.load_bag_push_button.pressed.connect(self._load_bag)
        self._widget.load_dot_push_button.setIcon(
            QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(
            QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(
            QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(
            QIcon.fromTheme('image'))
        self._widget.save_as_image_push_button.pressed.connect(
            self._save_image)

        for text in visibility.combo_to_py_trees:
            self._widget.visibility_level_combo_box.addItem(text)
        self._widget.visibility_level_combo_box.setCurrentIndex(
            self.visibility_level)
        self._widget.visibility_level_combo_box.currentIndexChanged[
            'QString'].connect(self._update_visibility_level)

        # set up the function that is called whenever the box is resized -
        # ensures that the timeline is correctly drawn.
        self._widget.resizeEvent = self._resize_event

        self._timeline = None
        self._timeline_listener = None

        # Connect the message changed function of this object to a corresponding
        # signal. This signal will be activated whenever the message being
        # viewed changes.
        self._message_changed.connect(self.message_changed)
        self._message_cleared.connect(self.message_cleared)

        # Set up combo box for topic selection
        # when the refresh_combo signal happens, update the combo topics available
        self._refresh_combo.connect(self._update_combo_topics)
        # filter events to catch the event which opens the combo box
        self._combo_event_filter = RosBehaviourTree.ComboBoxEventFilter(
            self._refresh_combo)
        self._widget.topic_combo_box.installEventFilter(
            self._combo_event_filter)
        self._widget.topic_combo_box.activated.connect(self._choose_topic)
        self._update_combo_topics()

        # Set up navigation buttons
        self._widget.previous_tool_button.pressed.connect(self._previous)
        self._widget.previous_tool_button.setIcon(
            QIcon.fromTheme('go-previous'))
        self._widget.next_tool_button.pressed.connect(self._next)
        self._widget.next_tool_button.setIcon(QIcon.fromTheme('go-next'))
        self._widget.first_tool_button.pressed.connect(self._first)
        self._widget.first_tool_button.setIcon(QIcon.fromTheme('go-first'))
        self._widget.last_tool_button.pressed.connect(self._last)
        self._widget.last_tool_button.setIcon(QIcon.fromTheme('go-last'))

        # play, pause and stop buttons
        self._widget.play_tool_button.pressed.connect(self._play)
        self._widget.play_tool_button.setIcon(
            QIcon.fromTheme('media-playback-start'))
        self._widget.stop_tool_button.pressed.connect(self._stop)
        self._widget.stop_tool_button.setIcon(
            QIcon.fromTheme('media-playback-stop'))
        # also connect the navigation buttons so that they stop the timer when
        # pressed while the tree is playing.
        self._widget.first_tool_button.pressed.connect(self._stop)
        self._widget.previous_tool_button.pressed.connect(self._stop)
        self._widget.last_tool_button.pressed.connect(self._stop)
        self._widget.next_tool_button.pressed.connect(self._stop)

        # set up shortcuts for navigation (vim)
        next_shortcut_vi = QShortcut(QKeySequence("l"), self._widget)
        next_shortcut_vi.activated.connect(
            self._widget.next_tool_button.pressed)
        previous_shortcut_vi = QShortcut(QKeySequence("h"), self._widget)
        previous_shortcut_vi.activated.connect(
            self._widget.previous_tool_button.pressed)
        first_shortcut_vi = QShortcut(QKeySequence("^"), self._widget)
        first_shortcut_vi.activated.connect(
            self._widget.first_tool_button.pressed)
        last_shortcut_vi = QShortcut(QKeySequence("$"), self._widget)
        last_shortcut_vi.activated.connect(
            self._widget.last_tool_button.pressed)

        # shortcuts for emacs
        next_shortcut_emacs = QShortcut(QKeySequence("Ctrl+f"), self._widget)
        next_shortcut_emacs.activated.connect(
            self._widget.next_tool_button.pressed)
        previous_shortcut_emacs = QShortcut(QKeySequence("Ctrl+b"),
                                            self._widget)
        previous_shortcut_emacs.activated.connect(
            self._widget.previous_tool_button.pressed)
        first_shortcut_emacs = QShortcut(QKeySequence("Ctrl+a"), self._widget)
        first_shortcut_emacs.activated.connect(
            self._widget.first_tool_button.pressed)
        last_shortcut_emacs = QShortcut(QKeySequence("Ctrl+e"), self._widget)
        last_shortcut_emacs.activated.connect(
            self._widget.last_tool_button.pressed)

        # set up stuff for dotcode cache
        self._dotcode_cache_capacity = 50
        self._dotcode_cache = {}
        # cache is ordered on timestamps from messages, but earliest timestamp
        # isn't necessarily the message that was viewed the longest time ago, so
        # need to store keys
        self._dotcode_cache_keys = []

        # set up stuff for scene cache (dotcode cache doesn't seem to make much difference)
        self._scene_cache_capacity = 50
        self._scene_cache = {}
        self._scene_cache_keys = []

        # Update the timeline buttons to correspond with a completely
        # uninitialised state.
        self._set_timeline_buttons(first_snapshot=False,
                                   previous_snapshot=False,
                                   next_snapshot=False,
                                   last_snapshot=False)

        self._deferred_fit_in_view.connect(self._fit_in_view,
                                           Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        # This is used to store a timer which controls how fast updates happen when the play button is pressed.
        self._play_timer = None

        # updates the view
        self._refresh_view.connect(self._refresh_tree_graph)

        self._force_refresh = False

        if self.live_update:
            context.add_widget(self._widget)
        else:
            self.initialized = True  # this needs to be set for trees to be displayed
            context.setCentralWidget(self._widget)

        if parsed_args.bag:
            self._load_bag(parsed_args.bag)
        elif parsed_args.latest_bag:
            # if the latest bag is requested, load it from the default directory, or
            # the one specified in the args
            bag_dir = parsed_args.bag_dir or os.getenv(
                'ROS_HOME', os.path.expanduser('~/.ros')) + '/behaviour_trees'
            self.open_latest_bag(bag_dir, parsed_args.by_time)
class CapabilityGraph(Plugin):

    __deferred_fit_in_view = Signal()

    def __init__(self, context):
        super(CapabilityGraph, self).__init__(context)
        self.setObjectName('CapabilityGraph')

        self.__current_dotcode = None

        self.__widget = QWidget()

        self.__dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_capabilities'), 'resources', 'CapabilityGraph.ui')
        loadUi(ui_file, self.__widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self.__widget.setObjectName('CapabilityGraphUI')
        if context.serial_number() > 1:
            self.__widget.setWindowTitle(self.__widget.windowTitle() + (' (%d)' % context.serial_number()))

        self.__scene = QGraphicsScene()
        self.__scene.setBackgroundBrush(Qt.white)
        self.__widget.graphics_view.setScene(self.__scene)

        self.__widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self.__widget.refresh_graph_push_button.pressed.connect(self.__update_capabilities_graph)

        self.__update_capabilities_graph()
        self.__deferred_fit_in_view.connect(self.__fit_in_view, Qt.QueuedConnection)
        self.__deferred_fit_in_view.emit()

        context.add_widget(self.__widget)

    def __update_capabilities_graph(self):
        self.__update_graph_view(self.__generate_dotcode())

    def __generate_dotcode(self):
        return generate_dotcode_from_capability_info()

    def __update_graph_view(self, dotcode):
        if dotcode == self.__current_dotcode:
            return
        self.__current_dotcode = dotcode
        self.__redraw_graph_view()

    def __fit_in_view(self):
        self.__widget.graphics_view.fitInView(self.__scene.itemsBoundingRect(), Qt.KeepAspectRatio)

    def __redraw_graph_view(self):
        self.__scene.clear()

        highlight_level = 1

        # layout graph and create qt items
        (nodes, edges) = self.__dot_to_qt.dotcode_to_qt_items(self.__current_dotcode,
                                                              highlight_level=highlight_level,
                                                              same_label_siblings=True)

        for node_item in nodes.itervalues():
            self.__scene.addItem(node_item)
        for edge_items in edges.itervalues():
            for edge_item in edge_items:
                edge_item.add_to_scene(self.__scene)

        self.__scene.setSceneRect(self.__scene.itemsBoundingRect())
        self.__fit_in_view()
示例#44
0
class RosBehaviourTree(QObject):

    _deferred_fit_in_view = Signal()
    _refresh_view = Signal()
    _refresh_combo = Signal()
    _message_changed = Signal()
    _message_cleared = Signal()
    _expected_type = py_trees_msgs.BehaviourTree()._type
    _empty_topic = "No valid topics available"
    _unselected_topic = "Not subscribing"
    no_roscore_switch = "--no-roscore"

    class ComboBoxEventFilter(QObject):
        """Event filter for the combo box. Will filter left mouse button presses,
        calling a signal when they happen

        """
        def __init__(self, signal):
            """

            :param Signal signal: signal that is emitted when a left mouse button press happens
            """
            super(RosBehaviourTree.ComboBoxEventFilter, self).__init__()
            self.signal = signal

        def eventFilter(self, obj, event):
            if event.type() == QEvent.MouseButtonPress and event.button(
            ) == Qt.LeftButton:
                self.signal.emit()
            return False

    def __init__(self, context):
        super(RosBehaviourTree, self).__init__(context)
        self.setObjectName('RosBehaviourTree')

        parser = argparse.ArgumentParser()
        RosBehaviourTree.add_arguments(parser, False)
        # if the context doesn't have an argv attribute then assume we're running with --no-roscore
        if not hasattr(context, 'argv'):
            args = sys.argv[1:]
            # Can run the viewer with or without live updating. Running without is
            # intended for viewing of bags only
            self.live_update = False
        else:
            args = context.argv()
            self.live_update = True

        parsed_args = parser.parse_args(args)

        self.context = context
        self.initialized = False
        self._current_dotcode = None  # dotcode for the tree that is currently displayed
        self._viewing_bag = False  # true if a bag file is loaded
        # True if next or previous buttons are pressed. Reset if the tree being
        # viewed is the last one in the list.
        self._browsing_timeline = False

        self._widget = QWidget()

        # factory builds generic dotcode items
        self.dotcode_factory = PygraphvizFactory()  # PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosBehaviourTreeDotcodeGenerator()
        self.current_topic = None
        self.behaviour_sub = None
        self._tip_message = None  # message of the tip of the tree
        self._saved_settings_topic = None  # topic subscribed to by previous instance
        self.visibility_level = py_trees.common.VisibilityLevel.DETAIL

        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_py_trees'), 'resource',
                               'RosBehaviourTree.ui')
        loadUi(ui_file, self._widget,
               {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosBehaviourTreeUi')
        if hasattr(context, 'serial_number') and context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() +
                                        (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.highlight_connections_check_box.toggled.connect(
            self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(
            self._redraw_graph_view)
        self._widget.fit_in_view_push_button.setIcon(
            QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_bag_push_button.setIcon(
            QIcon.fromTheme('document-open'))
        self._widget.load_bag_push_button.pressed.connect(self._load_bag)
        self._widget.load_dot_push_button.setIcon(
            QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(
            QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(
            QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(
            QIcon.fromTheme('image'))
        self._widget.save_as_image_push_button.pressed.connect(
            self._save_image)

        for text in visibility.combo_to_py_trees:
            self._widget.visibility_level_combo_box.addItem(text)
        self._widget.visibility_level_combo_box.setCurrentIndex(
            self.visibility_level)
        self._widget.visibility_level_combo_box.currentIndexChanged[
            'QString'].connect(self._update_visibility_level)

        # set up the function that is called whenever the box is resized -
        # ensures that the timeline is correctly drawn.
        self._widget.resizeEvent = self._resize_event

        self._timeline = None
        self._timeline_listener = None

        # Connect the message changed function of this object to a corresponding
        # signal. This signal will be activated whenever the message being
        # viewed changes.
        self._message_changed.connect(self.message_changed)
        self._message_cleared.connect(self.message_cleared)

        # Set up combo box for topic selection
        # when the refresh_combo signal happens, update the combo topics available
        self._refresh_combo.connect(self._update_combo_topics)
        # filter events to catch the event which opens the combo box
        self._combo_event_filter = RosBehaviourTree.ComboBoxEventFilter(
            self._refresh_combo)
        self._widget.topic_combo_box.installEventFilter(
            self._combo_event_filter)
        self._widget.topic_combo_box.activated.connect(self._choose_topic)
        self._update_combo_topics()

        # Set up navigation buttons
        self._widget.previous_tool_button.pressed.connect(self._previous)
        self._widget.previous_tool_button.setIcon(
            QIcon.fromTheme('go-previous'))
        self._widget.next_tool_button.pressed.connect(self._next)
        self._widget.next_tool_button.setIcon(QIcon.fromTheme('go-next'))
        self._widget.first_tool_button.pressed.connect(self._first)
        self._widget.first_tool_button.setIcon(QIcon.fromTheme('go-first'))
        self._widget.last_tool_button.pressed.connect(self._last)
        self._widget.last_tool_button.setIcon(QIcon.fromTheme('go-last'))

        # play, pause and stop buttons
        self._widget.play_tool_button.pressed.connect(self._play)
        self._widget.play_tool_button.setIcon(
            QIcon.fromTheme('media-playback-start'))
        self._widget.stop_tool_button.pressed.connect(self._stop)
        self._widget.stop_tool_button.setIcon(
            QIcon.fromTheme('media-playback-stop'))
        # also connect the navigation buttons so that they stop the timer when
        # pressed while the tree is playing.
        self._widget.first_tool_button.pressed.connect(self._stop)
        self._widget.previous_tool_button.pressed.connect(self._stop)
        self._widget.last_tool_button.pressed.connect(self._stop)
        self._widget.next_tool_button.pressed.connect(self._stop)

        # set up shortcuts for navigation (vim)
        next_shortcut_vi = QShortcut(QKeySequence("l"), self._widget)
        next_shortcut_vi.activated.connect(
            self._widget.next_tool_button.pressed)
        previous_shortcut_vi = QShortcut(QKeySequence("h"), self._widget)
        previous_shortcut_vi.activated.connect(
            self._widget.previous_tool_button.pressed)
        first_shortcut_vi = QShortcut(QKeySequence("^"), self._widget)
        first_shortcut_vi.activated.connect(
            self._widget.first_tool_button.pressed)
        last_shortcut_vi = QShortcut(QKeySequence("$"), self._widget)
        last_shortcut_vi.activated.connect(
            self._widget.last_tool_button.pressed)

        # shortcuts for emacs
        next_shortcut_emacs = QShortcut(QKeySequence("Ctrl+f"), self._widget)
        next_shortcut_emacs.activated.connect(
            self._widget.next_tool_button.pressed)
        previous_shortcut_emacs = QShortcut(QKeySequence("Ctrl+b"),
                                            self._widget)
        previous_shortcut_emacs.activated.connect(
            self._widget.previous_tool_button.pressed)
        first_shortcut_emacs = QShortcut(QKeySequence("Ctrl+a"), self._widget)
        first_shortcut_emacs.activated.connect(
            self._widget.first_tool_button.pressed)
        last_shortcut_emacs = QShortcut(QKeySequence("Ctrl+e"), self._widget)
        last_shortcut_emacs.activated.connect(
            self._widget.last_tool_button.pressed)

        # set up stuff for dotcode cache
        self._dotcode_cache_capacity = 50
        self._dotcode_cache = {}
        # cache is ordered on timestamps from messages, but earliest timestamp
        # isn't necessarily the message that was viewed the longest time ago, so
        # need to store keys
        self._dotcode_cache_keys = []

        # set up stuff for scene cache (dotcode cache doesn't seem to make much difference)
        self._scene_cache_capacity = 50
        self._scene_cache = {}
        self._scene_cache_keys = []

        # Update the timeline buttons to correspond with a completely
        # uninitialised state.
        self._set_timeline_buttons(first_snapshot=False,
                                   previous_snapshot=False,
                                   next_snapshot=False,
                                   last_snapshot=False)

        self._deferred_fit_in_view.connect(self._fit_in_view,
                                           Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        # This is used to store a timer which controls how fast updates happen when the play button is pressed.
        self._play_timer = None

        # updates the view
        self._refresh_view.connect(self._refresh_tree_graph)

        self._force_refresh = False

        if self.live_update:
            context.add_widget(self._widget)
        else:
            self.initialized = True  # this needs to be set for trees to be displayed
            context.setCentralWidget(self._widget)

        if parsed_args.bag:
            self._load_bag(parsed_args.bag)
        elif parsed_args.latest_bag:
            # if the latest bag is requested, load it from the default directory, or
            # the one specified in the args
            bag_dir = parsed_args.bag_dir or os.getenv(
                'ROS_HOME', os.path.expanduser('~/.ros')) + '/behaviour_trees'
            self.open_latest_bag(bag_dir, parsed_args.by_time)

    @Slot(str)
    def _update_visibility_level(self, visibility_level):
        """
        We match the combobox index to the visibility levels defined in py_trees.common.VisibilityLevel.
        """
        self.visibility_level = visibility.combo_to_py_trees[visibility_level]
        self._refresh_tree_graph()

    @staticmethod
    def add_arguments(parser, group=True):
        """Allows for the addition of arguments to the rqt_gui loading method

        :param bool group: If set to false, this indicates that the function is
            being called from the rqt_py_trees script as opposed to the inside
            of rqt_gui.main. We use this to ensure that the same arguments can
            be passed with and without the --no-roscore argument set. If it is
            set, the rqt_gui code is bypassed. We need to make sure that all the
            arguments are displayed with -h.

        """
        operate_object = parser
        if group:
            operate_object = parser.add_argument_group(
                'Options for the rqt_py_trees viewer')

        operate_object.add_argument(
            'bag',
            action='store',
            nargs='?',
            help='Load this bag when the viewer starts')
        operate_object.add_argument(
            '-l',
            '--latest-bag',
            action='store_true',
            help=
            'Load the latest bag available in the bag directory. Bag files are expected to be under the bag directory in the following structure: year-month-day/behaviour_tree_hour-minute-second.bag. If this structure is not followed, the bag file which was most recently modified is used.'
        )
        operate_object.add_argument(
            '--bag-dir',
            action='store',
            help=
            'Specify the directory in which to look for bag files. The default is $ROS_HOME/behaviour_trees, if $ROS_HOME is set, or ~/.ros/behaviour_trees otherwise.'
        )
        operate_object.add_argument(
            '-m',
            '--by-time',
            action='store_true',
            help=
            'The latest bag is defined by the time at which the file was last modified, rather than the date and time specified in the filename.'
        )
        operate_object.add_argument(
            RosBehaviourTree.no_roscore_switch,
            action='store_true',
            help=
            'Run the viewer without roscore. It is only possible to view bag files if this is set.'
        )

    def open_latest_bag(self, bag_dir, by_time=False):
        """Open the latest bag in the given directory

        :param str bag_dir: the directory in which to look for bags
        :param bool by_time: if true, the latest bag is the one with the latest
            modification time, not the latest date-time specified by its filename

        """
        if not os.path.isdir(bag_dir):
            rospy.logwarn(
                "Requested bag directory {0} is invalid. Latest bag will not be loaded."
                .format(bag_dir))
            return

        files = []
        for root, unused_dirnames, filenames in os.walk(bag_dir, topdown=True):
            files.extend(
                fnmatch.filter(map(lambda p: os.path.join(root, p), filenames),
                               '*.bag'))

        if not files:
            rospy.logwarn(
                "No files with extension .bag found in directory {0}".format(
                    bag_dir))
            return

        if not by_time:
            # parse the file list with a regex to get only those which have the
            # format year-month-day/behaviour_tree_hour-minute-second.bag
            re_str = '.*\/\d{4}-\d{2}-\d{2}\/behaviour_tree_\d{2}-\d{2}-\d{2}.bag'
            expr = re.compile(re_str)
            valid = filter(lambda f: expr.match(f), files)

            # if no files match the regex, use modification time instead
            if not valid:
                by_time = True
            else:
                # dates are monotonically increasing, so the last one is the latest
                latest_bag = sorted(valid)[-1]

        if by_time:
            latest_bag = sorted(files,
                                cmp=lambda x, y: cmp(os.path.getctime(x),
                                                     os.path.getctime(y)))[-1]

        self._load_bag(latest_bag)

    def get_current_message(self):
        """
        Get the message in the list or bag that is being viewed that should be
        displayed.
        """
        msg = None
        if self._timeline_listener:
            try:
                msg = self._timeline_listener.msg
            except KeyError:
                pass

        return py_trees_msgs.BehaviourTree() if msg is None else msg

    def _choose_topic(self, index):
        """Updates the topic that is subscribed to based on changes to the combo box
        text. If the topic is unchanged, nothing will happnen. Otherwise, the
        old subscriber will be unregistered, and a new one initialised for the
        updated topic. If the selected topic corresponds to the unselected
        topic, the subscriber will be unregistered and a new one will not be
        created.

        """
        selected_topic = self._widget.topic_combo_box.currentText()
        if selected_topic != self._empty_topic and self.current_topic != selected_topic:
            self.current_topic = selected_topic
            # destroy the old timeline and clear the scene
            if self._timeline:
                self._timeline.handle_close()
                self._widget.timeline_graphics_view.setScene(None)

            if selected_topic != self._unselected_topic:
                # set up a timeline to track the messages coming from the subscriber
                self._set_dynamic_timeline()

    def _update_combo_topics(self):
        """
        Update the topics displayed in the combo box that the user can use to select
        which topic they want to listen on for trees, filtered so that only
        topics with the correct message type are shown.
        """
        # Only update topics if we're running with live updating
        if not self.live_update:
            self._widget.topic_combo_box.setEnabled(False)
            return

        self._widget.topic_combo_box.clear()
        topic_list = rospy.get_published_topics()

        valid_topics = []
        for topic_path, topic_type in topic_list:
            if topic_type == RosBehaviourTree._expected_type:
                valid_topics.append(topic_path)

        if not valid_topics:
            self._widget.topic_combo_box.addItem(RosBehaviourTree._empty_topic)
            return

        # always add an item which does nothing so that it is possible to listen to nothing.
        self._widget.topic_combo_box.addItem(
            RosBehaviourTree._unselected_topic)
        for topic in valid_topics:
            self._widget.topic_combo_box.addItem(topic)
            # if the topic corresponds to the one that was active the last time
            # the viewer was run, automatically set that one as the one we look
            # at
            if topic == self._saved_settings_topic:
                self._widget.topic_combo_box.setCurrentIndex(
                    self._widget.topic_combo_box.count() - 1)
                self._choose_topic(self._widget.topic_combo_box.currentIndex())

    def _set_timeline_buttons(self,
                              first_snapshot=None,
                              previous_snapshot=None,
                              next_snapshot=None,
                              last_snapshot=None):
        """
        Allows timeline buttons to be enabled and disabled.
        """
        if first_snapshot is not None:
            self._widget.first_tool_button.setEnabled(first_snapshot)
        if previous_snapshot is not None:
            self._widget.previous_tool_button.setEnabled(previous_snapshot)
        if next_snapshot is not None:
            self._widget.next_tool_button.setEnabled(next_snapshot)
        if last_snapshot is not None:
            self._widget.last_tool_button.setEnabled(last_snapshot)

    def _play(self):
        """
        Start a timer which will automatically call the next function every time its
        duration is up. Only works if the current message is not the final one.
        """
        if not self._play_timer:
            self._play_timer = rospy.Timer(rospy.Duration(1), self._timer_next)

    def _timer_next(self, timer):
        """
        Helper function for the timer so that it can call the next function without
        breaking.
        """
        self._next()

    def _stop(self):
        """Stop the play timer, if it exists.
        """
        if self._play_timer:
            self._play_timer.shutdown()
            self._play_timer = None

    def _first(self):
        """Navigate to the first message. Activates the next and last buttons, disables
        first and previous, and refreshes the view. Also changes the state to be
        browsing the timeline.

        """
        self._timeline.navigate_start()

        self._set_timeline_buttons(first_snapshot=False,
                                   previous_snapshot=False,
                                   next_snapshot=True,
                                   last_snapshot=True)
        self._refresh_view.emit()
        self._browsing_timeline = True

    def _previous(self):
        """Navigate to the previous message. Activates the next and last buttons, and
        refreshes the view. If the current message is the second message, then
        the first and previous buttons are disabled. Changes the state to be
        browsing the timeline.
        """
        # if already at the beginning, do nothing
        if self._timeline._timeline_frame.playhead == self._timeline._get_start_stamp(
        ):
            return

        # otherwise, go to the previous message
        self._timeline.navigate_previous()
        # now browsing the timeline
        self._browsing_timeline = True
        self._set_timeline_buttons(last_snapshot=True, next_snapshot=True)
        # if now at the beginning, disable timeline buttons.
        if self._timeline._timeline_frame.playhead == self._timeline._get_end_stamp(
        ):
            self._set_timeline_buttons(next_snapshot=False,
                                       last_snapshot=False)

        self._refresh_view.emit()

    def _last(self):
        """Navigate to the last message. Activates the first and previous buttons,
        disables next and last, and refreshes the view. The user is no longer
        browsing the timeline after this is called.

        """
        self._timeline.navigate_end()

        self._set_timeline_buttons(first_snapshot=True,
                                   previous_snapshot=True,
                                   next_snapshot=False,
                                   last_snapshot=False)
        self._refresh_view.emit()
        self._browsing_timeline = False
        self._new_messages = 0

    def _next(self):
        """Navigate to the next message. Activates the first and previous buttons. If
        the current message is the second from last, disables the next and last
        buttons, and stops browsing the timeline.

        """
        # if already at the end, do nothing
        if self._timeline._timeline_frame.playhead == self._timeline._get_end_stamp(
        ):
            return

        # otherwise, go to the next message
        self._timeline.navigate_next()
        self._set_timeline_buttons(first_snapshot=True, previous_snapshot=True)
        # if now at the end, disable timeline buttons and shutdown the play timer if active
        if self._timeline._timeline_frame.playhead == self._timeline._get_end_stamp(
        ):
            self._set_timeline_buttons(next_snapshot=False,
                                       last_snapshot=False)
            self._browsing_timeline = False
            if self._play_timer:
                self._play_timer.shutdown()

        self._refresh_view.emit()

    def save_settings(self, plugin_settings, instance_settings):
        instance_settings.set_value('visibility_level', self.visibility_level)
        instance_settings.set_value(
            'auto_fit_graph_check_box_state',
            self._widget.auto_fit_graph_check_box.isChecked())
        instance_settings.set_value(
            'highlight_connections_check_box_state',
            self._widget.highlight_connections_check_box.isChecked())
        combo_text = self._widget.topic_combo_box.currentText()
        if combo_text not in [self._empty_topic, self._unselected_topic]:
            instance_settings.set_value('combo_box_subscribed_topic',
                                        combo_text)

    def restore_settings(self, plugin_settings, instance_settings):
        try:
            self._widget.auto_fit_graph_check_box.setChecked(
                instance_settings.value('auto_fit_graph_check_box_state', True)
                in [True, 'true'])
            self._widget.highlight_connections_check_box.setChecked(
                instance_settings.value(
                    'highlight_connections_check_box_state', True) in
                [True, 'true'])
            self._saved_settings_topic = instance_settings.value(
                'combo_box_subscribed_topic', None)
            saved_visibility_level = instance_settings.value(
                'visibility_level', 1)
        except TypeError as e:
            self._widget.auto_fit_graph_check_box.setChecked(True)
            self._widget.highlight_connections_check_box.setChecked(True)
            self._saved_settings_topic = None
            saved_visibility_level = 1
            rospy.logerr(
                "Rqt PyTrees: incompatible qt app configuration found, try removing ~/.config/ros.org/rqt_gui.ini"
            )
            rospy.logerr("Rqt PyTrees: %s" % e)
        self._widget.visibility_level_combo_box.setCurrentIndex(
            visibility.saved_setting_to_combo_index[saved_visibility_level])
        self.initialized = True
        self._update_combo_topics()
        self._refresh_tree_graph()

    def _refresh_tree_graph(self):
        """Refresh the graph view by regenerating the dotcode from the current message.

        """
        if not self.initialized:
            return
        self._update_graph_view(
            self._generate_dotcode(self.get_current_message()))

    def _generate_dotcode(self, message):
        """
        Get the dotcode for the given message, checking the cache for dotcode that
        was previously generated, and adding to the cache if it wasn't there.
        Cache replaces LRU.

        Mostly stolen from rqt_bag.MessageLoaderThread

        :param py_trees_msgs.BehavoiurTree message
        """
        if message is None:
            return ""

        #######################################################
        # Get the tip, from the perspective of the root
        #######################################################
        # this is pretty inefficient, and ignores caching
        tip_id = None
        self._tip_message = None
        # reverse behaviour list - construction puts the root at the end (with
        # visitor, at least)
        for behaviour in reversed(message.behaviours):
            # root has empty parent ID
            if str(behaviour.parent_id) == str(uuid_msgs.UniqueID()):
                # parent is the root behaviour, so
                tip_id = behaviour.tip_id

        # Run through the behaviours and do a couple of things:
        #  - get the tip
        #  - protect against feedback messages with quotes (https://bitbucket.org/yujinrobot/gopher_crazy_hospital/issues/72/rqt_py_trees-fails-to-display-tree)
        if self._tip_message is None:
            for behaviour in message.behaviours:
                if str(behaviour.own_id) == str(tip_id):
                    self._tip_message = behaviour.message
                if '"' in behaviour.message:
                    print("%s" % termcolor.colored(
                        '[ERROR] found double quotes in the feedback message [%s]'
                        % behaviour.message, 'red'))
                    behaviour.message = behaviour.message.replace('"', '')
                    print("%s" % termcolor.colored(
                        '[ERROR] stripped to stop from crashing, but do catch the culprit! [%s]'
                        % behaviour.message, 'red'))

        key = str(message.header.stamp)  # stamps are unique
        if key in self._dotcode_cache:
            return self._dotcode_cache[key]

        force_refresh = self._force_refresh
        self._force_refresh = False

        visible_behaviours = visibility.filter_behaviours_by_visibility_level(
            message.behaviours, self.visibility_level)

        # cache miss
        dotcode = self.dotcode_generator.generate_dotcode(
            dotcode_factory=self.dotcode_factory,
            behaviours=visible_behaviours,
            timestamp=message.header.stamp,
            force_refresh=force_refresh)
        self._dotcode_cache[key] = dotcode
        self._dotcode_cache_keys.append(key)

        if len(self._dotcode_cache) > self._dotcode_cache_capacity:
            oldest = self._dotcode_cache_keys[0]
            del self._dotcode_cache[oldest]
            self._dotcode_cache_keys.remove(oldest)

        return dotcode

    def _update_graph_view(self, dotcode):
        if dotcode == self._current_dotcode:
            return
        self._current_dotcode = dotcode
        self._redraw_graph_view()

    def _redraw_graph_view(self):
        key = str(self.get_current_message().header.stamp)
        if key in self._scene_cache:
            new_scene = self._scene_cache[key]
        else:  # cache miss
            new_scene = QGraphicsScene()
            new_scene.setBackgroundBrush(Qt.white)

            if self._widget.highlight_connections_check_box.isChecked():
                highlight_level = 3
            else:
                highlight_level = 1

            # (nodes, edges) = self.dot_to_qt.graph_to_qt_items(self.dotcode_generator.graph,
            #                                                  highlight_level)
            # this function is very expensive
            (nodes, edges) = self.dot_to_qt.dotcode_to_qt_items(
                self._current_dotcode, highlight_level)

            for node_item in iter(nodes.values()):
                new_scene.addItem(node_item)
            for edge_items in iter(edges.values()):
                for edge_item in edge_items:
                    edge_item.add_to_scene(new_scene)

            new_scene.setSceneRect(new_scene.itemsBoundingRect())

            # put the scene in the cache
            self._scene_cache[key] = new_scene
            self._scene_cache_keys.append(key)

            if len(self._scene_cache) > self._scene_cache_capacity:
                oldest = self._scene_cache_keys[0]
                del self._scene_cache[oldest]
                self._scene_cache_keys.remove(oldest)

        # after construction, set the scene and fit to the view
        self._scene = new_scene

        self._widget.graphics_view.setScene(self._scene)
        self._widget.message_label.setText(self._tip_message)

        if self._widget.auto_fit_graph_check_box.isChecked():
            self._fit_in_view()

    def _resize_event(self, event):
        """Activated when the window is resized. Will re-fit the behaviour tree in the
        window, and update the size of the timeline scene rectangle so that it
        is correctly drawn.

        """
        self._fit_in_view()
        if self._timeline:
            self._timeline.setSceneRect(
                0, 0,
                self._widget.timeline_graphics_view.width() - 2,
                max(self._widget.timeline_graphics_view.height() - 2,
                    self._timeline._timeline_frame._history_bottom))

    def timeline_changed(self):
        """Should be called whenever the timeline changes. At the moment this is only
        used to ensure that the first and previous buttons are correctly
        disabled when a new message coming in on the timeline pushes the
        playhead to be at the first message

        """
        if self._timeline._timeline_frame.playhead == self._timeline._get_start_stamp(
        ):
            self._set_timeline_buttons(first_snapshot=False,
                                       previous_snapshot=False)
        else:
            self._set_timeline_buttons(first_snapshot=True,
                                       previous_snapshot=True)

    def message_changed(self):
        """
        This function should be called when the message being viewed changes. Will
        change the current message and update the view. Also ensures that the
        timeline buttons are correctly set for the current position of the
        playhead on the timeline.
        """
        if self._timeline._timeline_frame.playhead == self._timeline._get_end_stamp(
        ):
            self._set_timeline_buttons(last_snapshot=False,
                                       next_snapshot=False)
        else:
            self._set_timeline_buttons(last_snapshot=True, next_snapshot=True)

        if self._timeline._timeline_frame.playhead == self._timeline._get_start_stamp(
        ):
            self._set_timeline_buttons(first_snapshot=False,
                                       previous_snapshot=False)
        else:
            self._set_timeline_buttons(first_snapshot=True,
                                       previous_snapshot=True)

        self._refresh_view.emit()

    def message_cleared(self):
        """
        This function should be called when the message being viewed was cleared.
        Currently no situation where this happens?
        """
        pass

    def no_right_click_press_event(self, func):
        """Decorator for ignoring right click events on mouse press
        """
        @functools.wraps(func)
        def wrapper(event):
            if event.type() == QEvent.MouseButtonPress and event.button(
            ) == Qt.RightButton:
                event.ignore()
            else:
                func(event)

        return wrapper

    def _set_dynamic_timeline(self):
        """
        Set the timeline to a dynamic timeline, listening to messages on the topic
        selected in the combo box.
        """
        self._timeline = DynamicTimeline(self, publish_clock=False)
        # connect timeline events so that the timeline will update when events happen
        self._widget.timeline_graphics_view.mousePressEvent = self.no_right_click_press_event(
            self._timeline.on_mouse_down)
        self._widget.timeline_graphics_view.mouseReleaseEvent = self._timeline.on_mouse_up
        self._widget.timeline_graphics_view.mouseMoveEvent = self._timeline.on_mouse_move
        self._widget.timeline_graphics_view.wheelEvent = self._timeline.on_mousewheel
        self._widget.timeline_graphics_view.setScene(self._timeline)

        # Don't show scrollbars - the timeline adjusts to the size of the view
        self._widget.timeline_graphics_view.setHorizontalScrollBarPolicy(
            Qt.ScrollBarAlwaysOff)
        self._widget.timeline_graphics_view.setVerticalScrollBarPolicy(
            Qt.ScrollBarAlwaysOff)
        # Send a resize event so that the timeline knows the size of the view it's in
        self._resize_event(None)

        self._timeline.add_topic(self.current_topic,
                                 py_trees_msgs.BehaviourTree)

        # Create a listener for the timeline which will call the emit function
        # on the given signals when the message being viewed changes or is
        # cleared. The message being viewed changing generally happens when the
        # user moves the slider around.
        self._timeline_listener = DynamicTimelineListener(
            self._timeline, self.current_topic, self._message_changed,
            self._message_cleared)
        # Need to add a listener to make sure that we can get information about
        # messages that are on the topic that we're interested in.
        self._timeline.add_listener(self.current_topic,
                                    self._timeline_listener)

        self._timeline.navigate_end()
        self._timeline._redraw_timeline(None)
        self._timeline.timeline_updated.connect(self.timeline_changed)

    def _set_bag_timeline(self, bag):
        """Set the timeline of this object to a bag timeline, hooking the graphics view
        into mouse and wheel functions of the timeline.

        """
        self._timeline = BagTimeline(self, publish_clock=False)
        # connect timeline events so that the timeline will update when events happen
        self._widget.timeline_graphics_view.mousePressEvent = self.no_right_click_press_event(
            self._timeline.on_mouse_down)
        self._widget.timeline_graphics_view.mouseReleaseEvent = self._timeline.on_mouse_up
        self._widget.timeline_graphics_view.mouseMoveEvent = self._timeline.on_mouse_move
        self._widget.timeline_graphics_view.wheelEvent = self._timeline.on_mousewheel
        self._widget.timeline_graphics_view.setScene(self._timeline)

        # Don't show scrollbars - the timeline adjusts to the size of the view
        self._widget.timeline_graphics_view.setHorizontalScrollBarPolicy(
            Qt.ScrollBarAlwaysOff)
        self._widget.timeline_graphics_view.setVerticalScrollBarPolicy(
            Qt.ScrollBarAlwaysOff)
        # Send a resize event so that the timeline knows the size of the view it's in
        self._resize_event(None)

        self._timeline.add_bag(bag)
        # Create a listener for the timeline which will call the emit function
        # on the given signals when the message being viewed changes or is
        # cleared. The message being viewed changing generally happens when the
        # user moves the slider around.
        self._timeline_listener = TimelineListener(self._timeline,
                                                   self.current_topic,
                                                   self._message_changed,
                                                   self._message_cleared)
        # Need to add a listener to make sure that we can get information about
        # messages that are on the topic that we're interested in.
        self._timeline.add_listener(self.current_topic,
                                    self._timeline_listener)
        # Go to the first message in the timeline of the bag.
        self._timeline.navigate_start()

    def _load_bag(self, file_name=None):
        """Load a bag from file. If no file name is given, a dialogue will pop up and
        the user will be asked to select a file. If the bag file selected
        doesn't have any valid topic, nothing will happen. If there are valid
        topics, we load the bag and add a timeline for managing it.

        """
        if file_name is None:
            file_name, _ = QFileDialog.getOpenFileName(
                self._widget, self.tr('Open trees from bag file'), None,
                self.tr('ROS bag (*.bag)'))
        if file_name is None or file_name == "":
            return

        rospy.loginfo("Reading bag from {0}".format(file_name))
        bag = rosbag.Bag(file_name, 'r')
        # ugh...
        topics = list(bag.get_type_and_topic_info()[1].keys())
        types = []
        for i in range(0, len(bag.get_type_and_topic_info()[1].values())):
            types.append(list(bag.get_type_and_topic_info()[1].values())[i][0])

        tree_topics = []  # only look at the first matching topic
        for ind, tp in enumerate(types):
            if tp == 'py_trees_msgs/BehaviourTree':
                tree_topics.append(topics[ind])

        if len(tree_topics) == 0:
            rospy.logerr('Requested bag did not contain any valid topics.')
            return

        self.message_list = []
        self._viewing_bag = True
        rospy.loginfo('Reading behaviour trees from topic {0}'.format(
            tree_topics[0]))
        for unused_topic, msg, unused_t in bag.read_messages(
                topics=[tree_topics[0]]):
            self.message_list.append(msg)

        self.current_topic = tree_topics[0]
        self._set_timeline_buttons(first_snapshot=True,
                                   previous_snapshot=True,
                                   next_snapshot=False,
                                   last_snapshot=False)
        self._set_bag_timeline(bag)
        self._refresh_view.emit()

    def _load_dot(self, file_name=None):
        if file_name is None:
            file_name, _ = QFileDialog.getOpenFileName(
                self._widget, self.tr('Open tree from DOT file'), None,
                self.tr('DOT graph (*.dot)'))
            if file_name is None or file_name == '':
                return

        try:
            fhandle = open(file_name, 'rb')
            dotcode = fhandle.read()
            fhandle.close()
        except IOError:
            return
        self._update_graph_view(dotcode)

    def _fit_in_view(self):
        self._widget.graphics_view.fitInView(self._scene.itemsBoundingRect(),
                                             Qt.KeepAspectRatio)

    def _save_dot(self):
        file_name, _ = QFileDialog.getSaveFileName(
            self._widget, self.tr('Save as DOT'), 'frames.dot',
            self.tr('DOT graph (*.dot)'))
        if file_name is None or file_name == '':
            return

        dot_file = QFile(file_name)
        if not dot_file.open(QIODevice.WriteOnly | QIODevice.Text):
            return

        dot_file.write(self._current_dotcode)
        dot_file.close()

    def _save_svg(self):
        file_name, _ = QFileDialog.getSaveFileName(
            self._widget, self.tr('Save as SVG'), 'frames.svg',
            self.tr('Scalable Vector Graphic (*.svg)'))
        if file_name is None or file_name == '':
            return

        generator = QSvgGenerator()
        generator.setFileName(file_name)
        generator.setSize((self._scene.sceneRect().size() * 2.0).toSize())

        painter = QPainter(generator)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()

    def _save_image(self):
        file_name, _ = QFileDialog.getSaveFileName(
            self._widget, self.tr('Save as image'), 'frames.png',
            self.tr('Image (*.bmp *.jpg *.png *.tiff)'))
        if file_name is None or file_name == '':
            return

        img = QImage((self._scene.sceneRect().size() * 2.0).toSize(),
                     QImage.Format_ARGB32_Premultiplied)
        painter = QPainter(img)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()
        img.save(file_name)
示例#45
0
class QCameraView(QGraphicsView):
    """
    Accepts an image of a teleop compressed image type and draws that in the
    scene/view.
    """
    def __init__(self, parent=None):
        super(QCameraView, self).__init__(parent)
        self.scene = QGraphicsScene(self)
        self.setScene(self.scene)
        self._load_default_image()

    def _load_default_image(self):
        joystick_icon = os.path.join(
            rospkg.RosPack().get_path('rocon_bubble_icons'), 'icons',
            'joystick.png')
        pixmap = QPixmap(joystick_icon, format="png")
        self.scene.addPixmap(pixmap)
        self.scene.update()
        self.fitInView(QRectF(0, 0, self.scene.width(), self.scene.height()),
                       Qt.KeepAspectRatio)

    @pyqtSlot(sensor_msgs.CompressedImage, name='image_received')
    def on_compressed_image_received(self, image):
        '''
        :param sensor_msgs.CompressedImage image: convert and display this in the QGraphicsView.
        '''
        if len(self.scene.items()) > 1:
            self.scene.removeItem(self.scene.items()[0])
        pixmap = QPixmap()
        pixmap.loadFromData(image.data, format=image.format)
        self.scene.addPixmap(pixmap)
        self.scene.update()
        # setting fitInvView seems sensitive to here or prior to scene update
        self.fitInView(QRectF(0, 0, self.scene.width(), self.scene.height()),
                       Qt.KeepAspectRatio)

    def resizeEvent(self, evt=None):
        self.fitInView(QRectF(0, 0, self.scene.width(), self.scene.height()),
                       Qt.KeepAspectRatio)
示例#46
0
    def __init__(self, context):
        super(RosGraph, self).__init__(context)
        self.initialized = False
        self.setObjectName('RosGraph')

        self._graph = None
        self._current_dotcode = None

        self._widget = QWidget()

        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosGraphDotcodeGenerator()
        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_graph'), 'resource', 'RosGraph.ui')
        loadUi(ui_file, self._widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosGraphUi')
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.graph_type_combo_box.insertItem(0, self.tr('Nodes only'), NODE_NODE_GRAPH)
        self._widget.graph_type_combo_box.insertItem(1, self.tr('Nodes/Topics (active)'), NODE_TOPIC_GRAPH)
        self._widget.graph_type_combo_box.insertItem(2, self.tr('Nodes/Topics (all)'), NODE_TOPIC_ALL_GRAPH)
        self._widget.graph_type_combo_box.setCurrentIndex(0)
        self._widget.graph_type_combo_box.currentIndexChanged.connect(self._refresh_rosgraph)

        self.node_completionmodel = NamespaceCompletionModel(self._widget.filter_line_edit, False)
        completer = RepeatedWordCompleter(self.node_completionmodel, self)
        completer.setCompletionMode(QCompleter.PopupCompletion)
        completer.setWrapAround(True)
        completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.filter_line_edit.editingFinished.connect(self._refresh_rosgraph)
        self._widget.filter_line_edit.setCompleter(completer)

        self.topic_completionmodel = NamespaceCompletionModel(self._widget.topic_filter_line_edit, False)
        topic_completer = RepeatedWordCompleter(self.topic_completionmodel, self)
        topic_completer.setCompletionMode(QCompleter.PopupCompletion)
        topic_completer.setWrapAround(True)
        topic_completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.topic_filter_line_edit.editingFinished.connect(self._refresh_rosgraph)
        self._widget.topic_filter_line_edit.setCompleter(topic_completer)

        self._widget.namespace_cluster_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.actionlib_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.dead_sinks_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.leaf_topics_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.quiet_check_box.clicked.connect(self._refresh_rosgraph)

        self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self._widget.refresh_graph_push_button.pressed.connect(self._update_rosgraph)

        self._widget.highlight_connections_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.fit_in_view_push_button.setIcon(QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_dot_push_button.setIcon(QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(QIcon.fromTheme('image'))
        self._widget.save_as_image_push_button.pressed.connect(self._save_image)

        self._update_rosgraph()
        self._deferred_fit_in_view.connect(self._fit_in_view, Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        context.add_widget(self._widget)
示例#47
0
class GraphWidget(QWidget):
    @staticmethod
    def get_unique_name(context):
        return ('Decision Graph (%d)' % context.serial_number()) if context.serial_number() > 1 else 'Decision Graph'

    @staticmethod
    def get_file_name(absolute_path):
        return ".".join(path.basename(absolute_path).split('.')[:-1])

    def __init__(self, ros_package):
        super(GraphWidget, self).__init__()

        self._current_graph = None
        self._lock = Lock()

        self._load_ui(ros_package)

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        factory = DmgItemFactory()
        factory.set_color(QColor(50, 50, 50))
        factory.set_highlighted_color(QColor(0, 150, 0))
        self._dot_to_qt = DotToQtGenerator(factory)

        self.initialized = False
        self.setObjectName('GraphWidget')

        self.graphics_view.setScene(self._scene)
        self.open_button.setIcon(QIcon.fromTheme('document-open'))
        self.open_button.pressed.connect(self._import)
        self.export_button.setIcon(QIcon.fromTheme('document-export'))
        self.export_button.pressed.connect(self._export)
        self.fit_to_view_button.setIcon(QIcon.fromTheme('zoom-fit-best'))
        self.fit_to_view_button.pressed.connect(self._fit_to_view)

        self.decision_graphs_combo_box.setSizeAdjustPolicy(QComboBox.AdjustToMinimumContentsLength)
        self.decision_graphs_combo_box.currentIndexChanged['QString'].connect(self._graph_item_changed)

        self._dot_processor = DotProcessor(self._dot_to_qt)

        self.decision_graphs = dict()
        self.states = dict()

    def update(self, message):
        data = self._get_data_from_message(message)
        key = self._get_key(data)

        if key not in self.decision_graphs:
            try:
                self._add_graph(key, data)
                print 'INFO: Graph has been added'
            except GraphParseException as ex:
                print 'ERROR: Failed to load graph: %s', ex.message
        else:
            self.states[key] = data['name'], data['status']

            if self.decision_graphs[key].graph_id != message.status[0].values[-1].value:
                self.decision_graphs[key].graph_id = message.status[0].values[-1].value
                print 'INFO: Graph id has been changed'
            elif self._current_graph == self.decision_graphs[key]:
                if not self._update_graph(data['name'], data['status']):
                    print 'WARNING: Failed to find appropriate graph for update'

    def _load_ui(self, ros_package):
        user_interface_file = path.join(ros_package.get_path('rqt_decision_graph'), 'resource', 'DecisionGraph.ui')

        loadUi(user_interface_file, self, {'InteractiveGraphicsView': InteractiveGraphicsView})

    def _import(self):
        file_path, _ = QFileDialog.getOpenFileName(self, self.tr('Import custom graph'),
                                                   None, self.tr('DOT graph (*.dot)'))

        if file_path is None or file_path == '':
            return

        custom_graph = Graph(self._dot_processor, file_path, file_path)
        self.decision_graphs[custom_graph.source] = custom_graph
        self._current_graph = custom_graph

        self.decision_graphs_combo_box.addItem(custom_graph.source)
        self.decision_graphs_combo_box.setCurrentIndex(self.decision_graphs_combo_box.findText(custom_graph.source))

    # Export graph as image
    def _export(self):
        file_name, _ = QFileDialog.getSaveFileName(self,
                                                   self.tr('Save as image'),
                                                   'graph.png',
                                                   self.tr('Image (*.bmp *.jpg *.png *.tiff)'))

        if file_name is None or file_name == '':
            return

        img = QImage((self._scene.sceneRect().size() * 2.0).toSize(), QImage.Format_ARGB32_Premultiplied)
        painter = QPainter(img)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()
        img.save(file_name)

    def _add_graph(self, key, data):
        self._lock.acquire()

        decision_graph = DecisionGraph(data['name'].split('/')[1],
                                       data['node_run_id'],
                                       data['node_name'],
                                       data['node_exe_file'],
                                       data['node_exe_dir'],
                                       self._dot_processor,
                                       key)

        self.decision_graphs[key] = decision_graph
        self.decision_graphs_combo_box.addItem(key)

        self._lock.release()

    def _reset_graph_state(self, name, status):
        if self._current_graph is not None:
            for node in self._current_graph.nodes.values():
                if name[:len(node.url)] == node.url:
                    node.highlight(True) if 'started' == status else node.highlight(False)

    def _update_graph(self, name, status):
        self._lock.acquire()
        is_updated = False
        if self._current_graph is not None:
            for node in self._current_graph.nodes.values():
                if 'started' == status and name[:len(node.url)] == node.url:
                    node.highlight(True)
                    is_updated = True
                elif 'stopped' == status and name == node.url:
                    node.highlight(False)
                    is_updated = True

        self._lock.release()

        return is_updated

    def _graph_item_changed(self, event):
        self._lock.acquire()
        if event in self.decision_graphs:
            self._current_graph = self.decision_graphs[event]
            self._redraw_graph_view()
            self._fit_to_view()

            if isinstance(self._current_graph, DecisionGraph):
                state = self.states.get(self._current_graph.key, None)
                if state is not None:
                    self._reset_graph_state(state[0], state[1])

        self._lock.release()

    def _get_data_from_message(self, message):
        return {value.key: value.value for value in message.status[0].values}

    def _get_key(self, data):
        return data['name'].split('/')[1] + data['node_name']

    def _redraw_graph_view(self):

        self._current_graph.load()
        self._scene.clear()

        for node_item in self._current_graph.nodes.itervalues():
            self._scene.addItem(node_item)
        for edge_items in self._current_graph.edges.itervalues():
            for edge_item in edge_items:
                edge_item.add_to_scene(self._scene)

        self._scene.setSceneRect(self._scene.itemsBoundingRect())

    def _fit_to_view(self):
        self.graphics_view.fitInView(self._scene.itemsBoundingRect(), Qt.KeepAspectRatio)
示例#48
0
class RosGraph(Plugin):

    _deferred_fit_in_view = Signal()

    def __init__(self, context):
        super(RosGraph, self).__init__(context)
        self.initialized = False
        self.setObjectName('RosGraph')

        self._graph = None
        self._current_dotcode = None

        self._widget = QWidget()

        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosGraphDotcodeGenerator()
        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        ui_file = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'RosGraph.ui')
        loadUi(ui_file, self._widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosGraphUi')
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.graph_type_combo_box.insertItem(0, self.tr('Nodes only'), NODE_NODE_GRAPH)
        self._widget.graph_type_combo_box.insertItem(1, self.tr('Nodes/Topics (active)'), NODE_TOPIC_GRAPH)
        self._widget.graph_type_combo_box.insertItem(2, self.tr('Nodes/Topics (all)'), NODE_TOPIC_ALL_GRAPH)
        self._widget.graph_type_combo_box.setCurrentIndex(0)
        self._widget.graph_type_combo_box.currentIndexChanged.connect(self._refresh_rosgraph)

        self.node_completionmodel = NamespaceCompletionModel(self._widget.filter_line_edit, False)
        completer = RepeatedWordCompleter(self.node_completionmodel, self)
        completer.setCompletionMode(QCompleter.PopupCompletion)
        completer.setWrapAround(True)
        completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.filter_line_edit.editingFinished.connect(self._refresh_rosgraph)
        self._widget.filter_line_edit.setCompleter(completer)

        self.topic_completionmodel = NamespaceCompletionModel(self._widget.topic_filter_line_edit, False)
        topic_completer = RepeatedWordCompleter(self.topic_completionmodel, self)
        topic_completer.setCompletionMode(QCompleter.PopupCompletion)
        topic_completer.setWrapAround(True)
        topic_completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.topic_filter_line_edit.editingFinished.connect(self._refresh_rosgraph)
        self._widget.topic_filter_line_edit.setCompleter(topic_completer)

        self._widget.namespace_cluster_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.actionlib_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.dead_sinks_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.leaf_topics_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.quiet_check_box.clicked.connect(self._refresh_rosgraph)

        self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self._widget.refresh_graph_push_button.pressed.connect(self._update_rosgraph)

        self._widget.highlight_connections_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.fit_in_view_push_button.setIcon(QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_dot_push_button.setIcon(QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(QIcon.fromTheme('image'))
        self._widget.save_as_image_push_button.pressed.connect(self._save_image)

        self._update_rosgraph()
        self._deferred_fit_in_view.connect(self._fit_in_view, Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        context.add_widget(self._widget)

    def save_settings(self, plugin_settings, instance_settings):
        instance_settings.set_value('graph_type_combo_box_index', self._widget.graph_type_combo_box.currentIndex())
        instance_settings.set_value('filter_line_edit_text', self._widget.filter_line_edit.text())
        instance_settings.set_value('topic_filter_line_edit_text', self._widget.topic_filter_line_edit.text())
        instance_settings.set_value('namespace_cluster_check_box_state', self._widget.namespace_cluster_check_box.isChecked())
        instance_settings.set_value('actionlib_check_box_state', self._widget.actionlib_check_box.isChecked())
        instance_settings.set_value('dead_sinks_check_box_state', self._widget.dead_sinks_check_box.isChecked())
        instance_settings.set_value('leaf_topics_check_box_state', self._widget.leaf_topics_check_box.isChecked())
        instance_settings.set_value('quiet_check_box_state', self._widget.quiet_check_box.isChecked())
        instance_settings.set_value('auto_fit_graph_check_box_state', self._widget.auto_fit_graph_check_box.isChecked())
        instance_settings.set_value('highlight_connections_check_box_state', self._widget.highlight_connections_check_box.isChecked())

    def restore_settings(self, plugin_settings, instance_settings):
        self._widget.graph_type_combo_box.setCurrentIndex(int(instance_settings.value('graph_type_combo_box_index', 0)))
        self._widget.filter_line_edit.setText(instance_settings.value('filter_line_edit_text', '/'))
        self._widget.topic_filter_line_edit.setText(instance_settings.value('topic_filter_line_edit_text', '/'))
        self._widget.namespace_cluster_check_box.setChecked(instance_settings.value('namespace_cluster_check_box_state', True) in [True, 'true'])
        self._widget.actionlib_check_box.setChecked(instance_settings.value('actionlib_check_box_state', True) in [True, 'true'])
        self._widget.dead_sinks_check_box.setChecked(instance_settings.value('dead_sinks_check_box_state', True) in [True, 'true'])
        self._widget.leaf_topics_check_box.setChecked(instance_settings.value('leaf_topics_check_box_state', True) in [True, 'true'])
        self._widget.quiet_check_box.setChecked(instance_settings.value('quiet_check_box_state', True) in [True, 'true'])
        self._widget.auto_fit_graph_check_box.setChecked(instance_settings.value('auto_fit_graph_check_box_state', True) in [True, 'true'])
        self._widget.highlight_connections_check_box.setChecked(instance_settings.value('highlight_connections_check_box_state', True) in [True, 'true'])
        self.initialized = True
        self._refresh_rosgraph()

    def _update_rosgraph(self):
        # re-enable controls customizing fetched ROS graph
        self._widget.graph_type_combo_box.setEnabled(True)
        self._widget.filter_line_edit.setEnabled(True)
        self._widget.topic_filter_line_edit.setEnabled(True)
        self._widget.namespace_cluster_check_box.setEnabled(True)
        self._widget.actionlib_check_box.setEnabled(True)
        self._widget.dead_sinks_check_box.setEnabled(True)
        self._widget.leaf_topics_check_box.setEnabled(True)
        self._widget.quiet_check_box.setEnabled(True)

        self._graph = rosgraph.impl.graph.Graph()
        self._graph.set_master_stale(5.0)
        self._graph.set_node_stale(5.0)
        self._graph.update()
        self.node_completionmodel.refresh(self._graph.nn_nodes)
        self.topic_completionmodel.refresh(self._graph.nt_nodes)
        self._refresh_rosgraph()

    def _refresh_rosgraph(self):
        if not self.initialized:
            return
        self._update_graph_view(self._generate_dotcode())

    def _generate_dotcode(self):
        ns_filter = self._widget.filter_line_edit.text()
        topic_filter = self._widget.topic_filter_line_edit.text()
        graph_mode = self._widget.graph_type_combo_box.itemData(self._widget.graph_type_combo_box.currentIndex())
        orientation = 'LR'
        if self._widget.namespace_cluster_check_box.isChecked():
            namespace_cluster = 1
        else:
            namespace_cluster = 0
        accumulate_actions = self._widget.actionlib_check_box.isChecked()
        hide_dead_end_topics = self._widget.dead_sinks_check_box.isChecked()
        hide_single_connection_topics = self._widget.leaf_topics_check_box.isChecked()
        quiet = self._widget.quiet_check_box.isChecked()

        return self.dotcode_generator.generate_dotcode(
            rosgraphinst=self._graph,
            ns_filter=ns_filter,
            topic_filter=topic_filter,
            graph_mode=graph_mode,
            hide_single_connection_topics=hide_single_connection_topics,
            hide_dead_end_topics=hide_dead_end_topics,
            cluster_namespaces_level=namespace_cluster,
            accumulate_actions=accumulate_actions,
            dotcode_factory=self.dotcode_factory,
            orientation=orientation,
            quiet=quiet)

    def _update_graph_view(self, dotcode):
        if dotcode == self._current_dotcode:
            return
        self._current_dotcode = dotcode
        self._redraw_graph_view()

    def _generate_tool_tip(self, url):
        if url is not None and ':' in url:
            item_type, item_path = url.split(':', 1)
            if item_type == 'node':
                tool_tip = 'Node:\n  %s' % (item_path)
                service_names = rosservice.get_service_list(node=item_path)
                if service_names:
                    tool_tip += '\nServices:'
                    for service_name in service_names:
                        try:
                            service_type = rosservice.get_service_type(service_name)
                            tool_tip += '\n  %s [%s]' % (service_name, service_type)
                        except rosservice.ROSServiceIOException as e:
                            tool_tip += '\n  %s' % (e)
                return tool_tip
            elif item_type == 'topic':
                topic_type, topic_name, _ = rostopic.get_topic_type(item_path)
                return 'Topic:\n  %s\nType:\n  %s' % (topic_name, topic_type)
        return url

    def _redraw_graph_view(self):
        self._scene.clear()

        if self._widget.highlight_connections_check_box.isChecked():
            highlight_level = 3
        else:
            highlight_level = 1

        # layout graph and create qt items
        (nodes, edges) = self.dot_to_qt.dotcode_to_qt_items(self._current_dotcode,
                                                            highlight_level=highlight_level,
                                                            same_label_siblings=True)

        for node_item in nodes.itervalues():
            self._scene.addItem(node_item)
        for edge_items in edges.itervalues():
            for edge_item in edge_items:
                edge_item.add_to_scene(self._scene)

        self._scene.setSceneRect(self._scene.itemsBoundingRect())
        if self._widget.auto_fit_graph_check_box.isChecked():
            self._fit_in_view()

    def _load_dot(self, file_name=None):
        if file_name is None:
            file_name, _ = QFileDialog.getOpenFileName(self._widget, self.tr('Open graph from file'), None, self.tr('DOT graph (*.dot)'))
            if file_name is None or file_name == '':
                return

        try:
            fh = open(file_name, 'rb')
            dotcode = fh.read()
            fh.close()
        except IOError:
            return

        # disable controls customizing fetched ROS graph
        self._widget.graph_type_combo_box.setEnabled(False)
        self._widget.filter_line_edit.setEnabled(False)
        self._widget.topic_filter_line_edit.setEnabled(False)
        self._widget.namespace_cluster_check_box.setEnabled(False)
        self._widget.actionlib_check_box.setEnabled(False)
        self._widget.dead_sinks_check_box.setEnabled(False)
        self._widget.leaf_topics_check_box.setEnabled(False)
        self._widget.quiet_check_box.setEnabled(False)

        self._update_graph_view(dotcode)

    def _fit_in_view(self):
        self._widget.graphics_view.fitInView(self._scene.itemsBoundingRect(), Qt.KeepAspectRatio)

    def _save_dot(self):
        file_name, _ = QFileDialog.getSaveFileName(self._widget, self.tr('Save as DOT'), 'rosgraph.dot', self.tr('DOT graph (*.dot)'))
        if file_name is None or file_name == '':
            return

        handle = QFile(file_name)
        if not handle.open(QIODevice.WriteOnly | QIODevice.Text):
            return

        handle.write(self._current_dotcode)
        handle.close()

    def _save_svg(self):
        file_name, _ = QFileDialog.getSaveFileName(self._widget, self.tr('Save as SVG'), 'rosgraph.svg', self.tr('Scalable Vector Graphic (*.svg)'))
        if file_name is None or file_name == '':
            return

        generator = QSvgGenerator()
        generator.setFileName(file_name)
        generator.setSize((self._scene.sceneRect().size() * 2.0).toSize())

        painter = QPainter(generator)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()

    def _save_image(self):
        file_name, _ = QFileDialog.getSaveFileName(self._widget, self.tr('Save as image'), 'rosgraph.png', self.tr('Image (*.bmp *.jpg *.png *.tiff)'))
        if file_name is None or file_name == '':
            return

        img = QImage((self._scene.sceneRect().size() * 2.0).toSize(), QImage.Format_ARGB32_Premultiplied)
        painter = QPainter(img)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()
        img.save(file_name)
class EsterelPlanViewerWidget(QWidget):

    # plan view
    _scene = QGraphicsScene()
    _webview = QGraphicsWebView()
    _svg = QGraphicsSvgItem()
    _renderer = QSvgRenderer()

    def __init__(self, plugin=None):
        super(EsterelPlanViewerWidget, self).__init__()

        # Create QWidget
        ui_file = os.path.join(rospkg.RosPack().get_path('rosplan_rqt'),
                               'resource', 'esterel_plan_viewer.ui')
        loadUi(ui_file, self,
               {'InteractiveGraphicsView': InteractiveGraphicsView})
        self.setObjectName('ROSPlanEsterelPlanViewer')

        self.graphicsView.setScene(self._scene)
        self._scene.addItem(self._svg)

        self.refreshButton.clicked[bool].connect(self._handle_refresh_clicked)
        self.saveButton.clicked[bool].connect(self._handle_save_button_clicked)

        self._sub = rospy.Subscriber('/rosplan_plan_dispatcher/plan_graph',
                                     String, self.planReceivedCallback)
        self._plugin = plugin

        # to store the graph msg received in callback, later on is used to save the graph if needed
        self.graph = None

    def planReceivedCallback(self, msg):
        '''
        updating plan view
        '''
        # save graph in member variable in case user clicks save button later
        self.graph = msg.data
        # render graph
        temp_buffer_graph = pydot.graph_from_dot_data(self.graph)
        svg_string = temp_buffer_graph.create_svg()
        self._renderer.load(QByteArray(svg_string))
        self._svg.setSharedRenderer(self._renderer)

    def _handle_refresh_clicked(self, checked):
        '''
        called when the refresh button is clicked
        '''
        self._sub.unregister()
        self._sub = rospy.Subscriber(self.topicText.text(), String,
                                     self.planReceivedCallback)

    def save_graph(self, full_path):
        '''
        check if last graph msg received is valid (non empty), then save in file.dot
        '''
        if self.graph:
            dot_file = open(full_path, 'w')
            dot_file.write(self.graph)
            dot_file.close()
            rospy.loginfo('graph saved succesfully in %s', full_path)
        else:
            # if self.graph is None it will fall in this case
            rospy.logerr('Could not save Graph: is empty, currently subscribing to: %s, try' +\
                         ' clicking "Update subscriber" button and make sure graph is published at least one time', self.topicText.text())

    def _handle_save_button_clicked(self, checked):
        '''
        called when the save button is clicked
        '''
        rospy.loginfo('Saving esterel plan to dot file')
        fileName = QFileDialog.getSaveFileName(
            self, 'Save Esterel plan to dot file', '',
            'Graph xdot Files (*.dot)')
        if fileName[0] == '':
            rospy.loginfo("User has cancelled saving process")
        else:
            # add .dot at the end of the filename
            full_dot_path = fileName[0]
            if not '.dot' in full_dot_path:
                full_dot_path += '.dot'
            rospy.loginfo("path to save dot file: %s", full_dot_path)
            self.save_graph(full_dot_path)

    # Qt methods
    def shutdown_plugin(self):
        pass

    def save_settings(self, plugin_settings, instance_settings):
        pass

    def restore_settings(self, plugin_settings, instance_settings):
        pass
示例#50
0
    def __init__(self, context):
        super(RosGraph, self).__init__(context)
        self.initialized = False
        self.setObjectName('RosGraph')

        self._graph = None
        self._current_dotcode = None

        self._widget = QWidget()

        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosGraphDotcodeGenerator()
        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        ui_file = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'RosGraph.ui')
        loadUi(ui_file, self._widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosGraphUi')
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.graph_type_combo_box.insertItem(0, self.tr('Nodes only'), NODE_NODE_GRAPH)
        self._widget.graph_type_combo_box.insertItem(1, self.tr('Nodes/Topics (active)'), NODE_TOPIC_GRAPH)
        self._widget.graph_type_combo_box.insertItem(2, self.tr('Nodes/Topics (all)'), NODE_TOPIC_ALL_GRAPH)
        self._widget.graph_type_combo_box.setCurrentIndex(0)
        self._widget.graph_type_combo_box.currentIndexChanged.connect(self._refresh_rosgraph)

        self.node_completionmodel = NamespaceCompletionModel(self._widget.filter_line_edit, False)
        completer = RepeatedWordCompleter(self.node_completionmodel, self)
        completer.setCompletionMode(QCompleter.PopupCompletion)
        completer.setWrapAround(True)
        completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.filter_line_edit.editingFinished.connect(self._refresh_rosgraph)
        self._widget.filter_line_edit.setCompleter(completer)

        self.topic_completionmodel = NamespaceCompletionModel(self._widget.topic_filter_line_edit, False)
        topic_completer = RepeatedWordCompleter(self.topic_completionmodel, self)
        topic_completer.setCompletionMode(QCompleter.PopupCompletion)
        topic_completer.setWrapAround(True)
        topic_completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.topic_filter_line_edit.editingFinished.connect(self._refresh_rosgraph)
        self._widget.topic_filter_line_edit.setCompleter(topic_completer)

        self._widget.namespace_cluster_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.actionlib_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.dead_sinks_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.leaf_topics_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.quiet_check_box.clicked.connect(self._refresh_rosgraph)

        self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self._widget.refresh_graph_push_button.pressed.connect(self._update_rosgraph)

        self._widget.highlight_connections_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.fit_in_view_push_button.setIcon(QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_dot_push_button.setIcon(QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(QIcon.fromTheme('image'))
        self._widget.save_as_image_push_button.pressed.connect(self._save_image)

        self._update_rosgraph()
        self._deferred_fit_in_view.connect(self._fit_in_view, Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        context.add_widget(self._widget)
示例#51
0
class RosGraph(Plugin):

    _deferred_fit_in_view = Signal()

    def __init__(self, context):
        super(RosGraph, self).__init__(context)
        self.initialized = False
        self.setObjectName('RosGraph')

        self._graph = None
        self._current_dotcode = None

        self._widget = QWidget()

        # factory builds generic dotcode items
        self.dotcode_factory = PydotFactory()
        # self.dotcode_factory = PygraphvizFactory()
        # generator builds rosgraph
        self.dotcode_generator = RosGraphDotcodeGenerator()
        # dot_to_qt transforms into Qt elements using dot layout
        self.dot_to_qt = DotToQtGenerator()

        rp = rospkg.RosPack()
        ui_file = os.path.join(rp.get_path('rqt_graph'), 'resource', 'RosGraph.ui')
        loadUi(ui_file, self._widget, {'InteractiveGraphicsView': InteractiveGraphicsView})
        self._widget.setObjectName('RosGraphUi')
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + (' (%d)' % context.serial_number()))

        self._scene = QGraphicsScene()
        self._scene.setBackgroundBrush(Qt.white)
        self._widget.graphics_view.setScene(self._scene)

        self._widget.graph_type_combo_box.insertItem(0, self.tr('Nodes only'), NODE_NODE_GRAPH)
        self._widget.graph_type_combo_box.insertItem(1, self.tr('Nodes/Topics (active)'), NODE_TOPIC_GRAPH)
        self._widget.graph_type_combo_box.insertItem(2, self.tr('Nodes/Topics (all)'), NODE_TOPIC_ALL_GRAPH)
        self._widget.graph_type_combo_box.setCurrentIndex(0)
        self._widget.graph_type_combo_box.currentIndexChanged.connect(self._refresh_rosgraph)

        self.node_completionmodel = NamespaceCompletionModel(self._widget.filter_line_edit, False)
        completer = RepeatedWordCompleter(self.node_completionmodel, self)
        completer.setCompletionMode(QCompleter.PopupCompletion)
        completer.setWrapAround(True)
        completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.filter_line_edit.editingFinished.connect(self._refresh_rosgraph)
        self._widget.filter_line_edit.setCompleter(completer)

        self.topic_completionmodel = NamespaceCompletionModel(self._widget.topic_filter_line_edit, False)
        topic_completer = RepeatedWordCompleter(self.topic_completionmodel, self)
        topic_completer.setCompletionMode(QCompleter.PopupCompletion)
        topic_completer.setWrapAround(True)
        topic_completer.setCaseSensitivity(Qt.CaseInsensitive)
        self._widget.topic_filter_line_edit.editingFinished.connect(self._refresh_rosgraph)
        self._widget.topic_filter_line_edit.setCompleter(topic_completer)

        self._widget.namespace_cluster_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.actionlib_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.dead_sinks_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.leaf_topics_check_box.clicked.connect(self._refresh_rosgraph)
        self._widget.quiet_check_box.clicked.connect(self._refresh_rosgraph)

        self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
        self._widget.refresh_graph_push_button.pressed.connect(self._update_rosgraph)

        self._widget.highlight_connections_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.auto_fit_graph_check_box.toggled.connect(self._redraw_graph_view)
        self._widget.fit_in_view_push_button.setIcon(QIcon.fromTheme('zoom-original'))
        self._widget.fit_in_view_push_button.pressed.connect(self._fit_in_view)

        self._widget.load_dot_push_button.setIcon(QIcon.fromTheme('document-open'))
        self._widget.load_dot_push_button.pressed.connect(self._load_dot)
        self._widget.save_dot_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_dot_push_button.pressed.connect(self._save_dot)
        self._widget.save_as_svg_push_button.setIcon(QIcon.fromTheme('document-save-as'))
        self._widget.save_as_svg_push_button.pressed.connect(self._save_svg)
        self._widget.save_as_image_push_button.setIcon(QIcon.fromTheme('image'))
        self._widget.save_as_image_push_button.pressed.connect(self._save_image)

        self._update_rosgraph()
        self._deferred_fit_in_view.connect(self._fit_in_view, Qt.QueuedConnection)
        self._deferred_fit_in_view.emit()

        context.add_widget(self._widget)

    def save_settings(self, plugin_settings, instance_settings):
        instance_settings.set_value('graph_type_combo_box_index', self._widget.graph_type_combo_box.currentIndex())
        instance_settings.set_value('filter_line_edit_text', self._widget.filter_line_edit.text())
        instance_settings.set_value('topic_filter_line_edit_text', self._widget.topic_filter_line_edit.text())
        instance_settings.set_value('namespace_cluster_check_box_state', self._widget.namespace_cluster_check_box.isChecked())
        instance_settings.set_value('actionlib_check_box_state', self._widget.actionlib_check_box.isChecked())
        instance_settings.set_value('dead_sinks_check_box_state', self._widget.dead_sinks_check_box.isChecked())
        instance_settings.set_value('leaf_topics_check_box_state', self._widget.leaf_topics_check_box.isChecked())
        instance_settings.set_value('quiet_check_box_state', self._widget.quiet_check_box.isChecked())
        instance_settings.set_value('auto_fit_graph_check_box_state', self._widget.auto_fit_graph_check_box.isChecked())
        instance_settings.set_value('highlight_connections_check_box_state', self._widget.highlight_connections_check_box.isChecked())

    def restore_settings(self, plugin_settings, instance_settings):
        self._widget.graph_type_combo_box.setCurrentIndex(int(instance_settings.value('graph_type_combo_box_index', 0)))
        self._widget.filter_line_edit.setText(instance_settings.value('filter_line_edit_text', '/'))
        self._widget.topic_filter_line_edit.setText(instance_settings.value('topic_filter_line_edit_text', '/'))
        self._widget.namespace_cluster_check_box.setChecked(instance_settings.value('namespace_cluster_check_box_state', True) in [True, 'true'])
        self._widget.actionlib_check_box.setChecked(instance_settings.value('actionlib_check_box_state', True) in [True, 'true'])
        self._widget.dead_sinks_check_box.setChecked(instance_settings.value('dead_sinks_check_box_state', True) in [True, 'true'])
        self._widget.leaf_topics_check_box.setChecked(instance_settings.value('leaf_topics_check_box_state', True) in [True, 'true'])
        self._widget.quiet_check_box.setChecked(instance_settings.value('quiet_check_box_state', True) in [True, 'true'])
        self._widget.auto_fit_graph_check_box.setChecked(instance_settings.value('auto_fit_graph_check_box_state', True) in [True, 'true'])
        self._widget.highlight_connections_check_box.setChecked(instance_settings.value('highlight_connections_check_box_state', True) in [True, 'true'])
        self.initialized = True
        self._refresh_rosgraph()

    def _update_rosgraph(self):
        # re-enable controls customizing fetched ROS graph
        self._widget.graph_type_combo_box.setEnabled(True)
        self._widget.filter_line_edit.setEnabled(True)
        self._widget.topic_filter_line_edit.setEnabled(True)
        self._widget.namespace_cluster_check_box.setEnabled(True)
        self._widget.actionlib_check_box.setEnabled(True)
        self._widget.dead_sinks_check_box.setEnabled(True)
        self._widget.leaf_topics_check_box.setEnabled(True)
        self._widget.quiet_check_box.setEnabled(True)

        self._graph = rosgraph.impl.graph.Graph()
        self._graph.set_master_stale(5.0)
        self._graph.set_node_stale(5.0)
        self._graph.update()
        self.node_completionmodel.refresh(self._graph.nn_nodes)
        self.topic_completionmodel.refresh(self._graph.nt_nodes)
        self._refresh_rosgraph()

    def _refresh_rosgraph(self):
        if not self.initialized:
            return
        self._update_graph_view(self._generate_dotcode())

    def _generate_dotcode(self):
        ns_filter = self._widget.filter_line_edit.text()
        topic_filter = self._widget.topic_filter_line_edit.text()
        graph_mode = self._widget.graph_type_combo_box.itemData(self._widget.graph_type_combo_box.currentIndex())
        orientation = 'LR'
        if self._widget.namespace_cluster_check_box.isChecked():
            namespace_cluster = 1
        else:
            namespace_cluster = 0
        accumulate_actions = self._widget.actionlib_check_box.isChecked()
        hide_dead_end_topics = self._widget.dead_sinks_check_box.isChecked()
        hide_single_connection_topics = self._widget.leaf_topics_check_box.isChecked()
        quiet = self._widget.quiet_check_box.isChecked()

        return self.dotcode_generator.generate_dotcode(
            rosgraphinst=self._graph,
            ns_filter=ns_filter,
            topic_filter=topic_filter,
            graph_mode=graph_mode,
            hide_single_connection_topics=hide_single_connection_topics,
            hide_dead_end_topics=hide_dead_end_topics,
            cluster_namespaces_level=namespace_cluster,
            accumulate_actions=accumulate_actions,
            dotcode_factory=self.dotcode_factory,
            orientation=orientation,
            quiet=quiet)

    def _update_graph_view(self, dotcode):
        if dotcode == self._current_dotcode:
            return
        self._current_dotcode = dotcode
        self._redraw_graph_view()

    def _generate_tool_tip(self, url):
        if url is not None and ':' in url:
            item_type, item_path = url.split(':', 1)
            if item_type == 'node':
                tool_tip = 'Node:\n  %s' % (item_path)
                service_names = rosservice.get_service_list(node=item_path)
                if service_names:
                    tool_tip += '\nServices:'
                    for service_name in service_names:
                        try:
                            service_type = rosservice.get_service_type(service_name)
                            tool_tip += '\n  %s [%s]' % (service_name, service_type)
                        except rosservice.ROSServiceIOException as e:
                            tool_tip += '\n  %s' % (e)
                return tool_tip
            elif item_type == 'topic':
                topic_type, topic_name, _ = rostopic.get_topic_type(item_path)
                return 'Topic:\n  %s\nType:\n  %s' % (topic_name, topic_type)
        return url

    def _redraw_graph_view(self):
        self._scene.clear()

        if self._widget.highlight_connections_check_box.isChecked():
            highlight_level = 3
        else:
            highlight_level = 1

        # layout graph and create qt items
        (nodes, edges) = self.dot_to_qt.dotcode_to_qt_items(self._current_dotcode,
                                                            highlight_level=highlight_level,
                                                            same_label_siblings=True)

        for node_item in nodes.itervalues():
            self._scene.addItem(node_item)
        for edge_items in edges.itervalues():
            for edge_item in edge_items:
                edge_item.add_to_scene(self._scene)

        self._scene.setSceneRect(self._scene.itemsBoundingRect())
        if self._widget.auto_fit_graph_check_box.isChecked():
            self._fit_in_view()

    def _load_dot(self, file_name=None):
        if file_name is None:
            file_name, _ = QFileDialog.getOpenFileName(self._widget, self.tr('Open graph from file'), None, self.tr('DOT graph (*.dot)'))
            if file_name is None or file_name == '':
                return

        try:
            fh = open(file_name, 'rb')
            dotcode = fh.read()
            fh.close()
        except IOError:
            return

        # disable controls customizing fetched ROS graph
        self._widget.graph_type_combo_box.setEnabled(False)
        self._widget.filter_line_edit.setEnabled(False)
        self._widget.topic_filter_line_edit.setEnabled(False)
        self._widget.namespace_cluster_check_box.setEnabled(False)
        self._widget.actionlib_check_box.setEnabled(False)
        self._widget.dead_sinks_check_box.setEnabled(False)
        self._widget.leaf_topics_check_box.setEnabled(False)
        self._widget.quiet_check_box.setEnabled(False)

        self._update_graph_view(dotcode)

    def _fit_in_view(self):
        self._widget.graphics_view.fitInView(self._scene.itemsBoundingRect(), Qt.KeepAspectRatio)

    def _save_dot(self):
        file_name, _ = QFileDialog.getSaveFileName(self._widget, self.tr('Save as DOT'), 'rosgraph.dot', self.tr('DOT graph (*.dot)'))
        if file_name is None or file_name == '':
            return

        handle = QFile(file_name)
        if not handle.open(QIODevice.WriteOnly | QIODevice.Text):
            return

        handle.write(self._current_dotcode)
        handle.close()

    def _save_svg(self):
        file_name, _ = QFileDialog.getSaveFileName(self._widget, self.tr('Save as SVG'), 'rosgraph.svg', self.tr('Scalable Vector Graphic (*.svg)'))
        if file_name is None or file_name == '':
            return

        generator = QSvgGenerator()
        generator.setFileName(file_name)
        generator.setSize((self._scene.sceneRect().size() * 2.0).toSize())

        painter = QPainter(generator)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()

    def _save_image(self):
        file_name, _ = QFileDialog.getSaveFileName(self._widget, self.tr('Save as image'), 'rosgraph.png', self.tr('Image (*.bmp *.jpg *.png *.tiff)'))
        if file_name is None or file_name == '':
            return

        img = QImage((self._scene.sceneRect().size() * 2.0).toSize(), QImage.Format_ARGB32_Premultiplied)
        painter = QPainter(img)
        painter.setRenderHint(QPainter.Antialiasing)
        self._scene.render(painter)
        painter.end()
        img.save(file_name)
示例#52
0
class TimelineView(QGraphicsView):
    """
    This class draws a graphical representation of a timeline.

    This is ONLY the bar and colored boxes.

    When you instantiate this class, do NOT forget to call set_init_data to
    set necessary data.
    """

    redraw = Signal()

    def __init__(self, parent):
        """Cannot take args other than parent due to loadUi limitation."""

        super(TimelineView, self).__init__()
        self._parent = parent
        self._timeline_marker = QIcon.fromTheme('system-search')

        self._min = 0
        self._max = 0
        self._xpos_marker = 5

        self._timeline_marker_width = 15
        self._timeline_marker_height = 15
        self._last_marker_at = 2

        self.redraw.connect(self._slot_redraw)

        self._timeline = None

        self.setUpdatesEnabled(True)
        self._scene = QGraphicsScene(self)
        self.setScene(self._scene)

    def set_timeline(self, timeline, name=None):
        assert(self._timeline is None)
        self._name = name
        self._timeline = timeline
        self._timeline.message_updated.connect(self._updated)

    @Slot()
    def _updated(self):
        """
        Update the widget whenever we receive a new message
        """
        # update the limits
        self._min = 0
        self._max = len(self._timeline)-1

        # update the marker position
        self._xpos_marker = self._timeline.get_position()

        # redraw
        self.redraw.emit()

    def mouseReleaseEvent(self, event):
        """
        :type event: QMouseEvent
        """
        xpos = self.pos_from_x(event.x())
        self.set_marker_pos(xpos)

    def mousePressEvent(self, event):
        """
        :type event: QMouseEvent
        """
        assert(self._timeline is not None)
        # Pause the timeline
        self._timeline.set_paused(True)

        xpos = self.pos_from_x(event.x())
        self.set_marker_pos(xpos)

    def mouseMoveEvent(self, event):
        """
        :type event: QMouseEvent
        """
        xpos = self.pos_from_x(event.x())
        self.set_marker_pos(xpos)

    def pos_from_x(self, x):
        """
        Get the index in the timeline from the mouse click position

        :param x: Position relative to self widget.
        :return: Index
        """
        width = self.size().width()
        # determine value from mouse click
        width_cell = width / float(len(self._timeline))
        return int(floor(x / width_cell))

    def set_marker_pos(self, xpos):
        """
        Set marker position from index

        :param xpos: Marker index
        """
        assert(self._timeline is not None)
        self._xpos_marker = self._clamp(xpos, self._min, self._max)

        if self._xpos_marker == self._last_marker_at:
            # Clicked the same pos as last time.
            return
        elif self._xpos_marker >= len(self._timeline):
            # When clicked out-of-region
            return

        self._last_marker_at = self._xpos_marker

        # Set timeline position. This broadcasts the message at that position
        # to all of the other viewers
        self._timeline.set_position(self._xpos_marker)

        # redraw
        self.redraw.emit()

    def _clamp(self, val, min, max):
        """
        Judge if val is within the range given by min & max.
        If not, return either min or max.

        :type val: any number format
        :type min: any number format
        :type max: any number format
        :rtype: int
        """
        if (val < min):
            return min
        if (val > max):
            return max
        return val

    @Slot()
    def _slot_redraw(self):
        """
        Gets called either when new msg comes in or when marker is moved by
        user.
        """
        self._scene.clear()

        qsize = self.size()
        width_tl = qsize.width()

        w = width_tl / float(max(len(self._timeline), 1))
        is_enabled = self.isEnabled()

        if self._timeline is not None:
            for i, m in enumerate(self._timeline):
                h = self.viewport().height()

                # Figure out each cell's color.
                qcolor = QColor('grey')
                if is_enabled:
                    qcolor = self._get_color_for_value(m)

#  TODO Use this code for adding gradation to the cell color.
#                end_color = QColor(0.5 * QColor('red').value(),
#                                   0.5 * QColor('green').value(),
#                                   0.5 * QColor('blue').value())

                self._scene.addRect(w * i, 0, w, h, QColor('white'), qcolor)

        # Setting marker.
        xpos_marker = (self._xpos_marker * w +
                       (w / 2.0) - (self._timeline_marker_width / 2.0))
        pos_marker = QPointF(xpos_marker, 0)

        # Need to instantiate marker everytime since it gets deleted
        # in every loop by scene.clear()
        timeline_marker = self._instantiate_tl_icon()
        timeline_marker.setPos(pos_marker)
        self._scene.addItem(timeline_marker)

    def _instantiate_tl_icon(self):
        timeline_marker_icon = QIcon.fromTheme('system-search')
        timeline_marker_icon_pixmap = timeline_marker_icon.pixmap(
                                                self._timeline_marker_width,
                                                self._timeline_marker_height)
        return QGraphicsPixmapItem(timeline_marker_icon_pixmap)

    def _get_color_for_value(self, msg):
        """
        :type msg: DiagnosticArray
        """

        if self._name is not None:
            # look up name in msg; return grey if not found
            status = util.get_status_by_name(msg, self._name)
            if status is not None:
                return util.level_to_color(status.level)
            else:
                return QColor('grey')
        return util.get_color_for_message(msg)