class LabeledSlider(QWidget): def __init__(self, text, *args, minimum=1, maximum=10, parent=None, **kwargs): super(LabeledSlider, self).__init__(parent) self.label = QLabel(text) self.slider = QSlider(*args, **kwargs) self.slider.setMinimum(minimum) self.slider.setMaximum(maximum) self.slider.setTickInterval(5) self.valuebox = QSpinBox() self.valuebox.setRange(minimum, maximum) self.valuebox.setValue(self.slider.value()) self.slider.valueChanged.connect(self.valuebox.setValue) self.valuebox.valueChanged.connect(self.slider.setValue) layout = QHBoxLayout() layout.addWidget(self.label) layout.addWidget(self.slider) layout.addWidget(self.valuebox) self.setLayout(layout)
def createSlider(self): slider = QSlider(Qt.Vertical) slider.setRange(0, 360 * 16) slider.setSingleStep(16) slider.setPageStep(15 * 16) slider.setTickInterval(15 * 16) slider.setTickPosition(QSlider.TicksRight) return slider
def createZoomSlider(self): slider = QSlider(Qt.Vertical) slider.setRange(1, 1000000) slider.setSingleStep(1) slider.setPageStep(10) slider.setTickInterval(10) slider.setTickPosition(QSlider.TicksRight) return slider
class QTiffStackView(QWidget): #the view which the user of the videoviewer sees. #This class contains relevant 'client side' attributes e.g. buttons to get a frame, a slide bar and a timer. These attributes submit requests to the QTiffStackController to give the next frame etc. The controller returns either the requested frame or an error message def __init__(self): super(QTiffStackView, self).__init__() #add the image display. This is a subclass of QLabel, where paintEvent is overriden. self.frame_view = FrameView() #self.frame_view.setSizePolicy(QSizePolicy.Expanding,QSizePolicy.Expanding) #add the slide bar which allows the user to manual flick through self.slideBar = QSlider(Qt.Horizontal) self.slideBar.setTickPosition(QSlider.TicksAbove) self.slideBar.setTracking(True) self.slideBar.setTickInterval(100) #add a counter which displays the frame which is currently displayed self.counter = QSpinBox() self.counter.setSingleStep(1) self.counter.setRange(self.slideBar.minimum(), self.slideBar.maximum()) #self explanatory self.play = QPushButton('Play') #when play button is pressed the timer takes control of the displaying of frames self.frametimer = QTimer() frame_rate = 30 self.frametimer.setInterval(frame_rate) #Add a sublayout to align the slidebar and frame counter next to eachother slidelyt = QHBoxLayout() slidelyt.addWidget(self.slideBar) slidelyt.addWidget(self.counter) #Add the main layout for the widget lyt = QVBoxLayout() lyt.addWidget(self.frame_view) lyt.addLayout(slidelyt) lyt.addWidget(self.play) self.setLayout(lyt) def updateRanges(self, maximum): assert type(maximum) == int self.slideBar.setMaximum(maximum) self.counter.setRange(self.slideBar.minimum(), self.slideBar.maximum())
class livestream(QWidget): i = 0 def __init__(self,qnd,images = None,annotations_on = True,annotate_coords = None,threshold_switch = False): QWidget.__init__(self) self.threshold_switch = threshold_switch self.video = images #frames buffer self.videobox = Label() if annotations_on and annotate_coords is not None: self.coords = annotate_coords self.videobox.switch = annotations_on self.videobox.activecoord = self.coords[0] if self.video is not None: self.videobox.activeframe = self.video[0] self.videobox.maxintens = self.video.shape[0] else: self.videobox.activeframe = np.loadtxt(os.getcwd() + '/defaultimage.txt') print(self.videobox.activeframe.shape) self.videobox.maxintens = np.max(self.videobox.activeframe) self.videobox.setGeometry(QtCore.QRect(70, 80, 310, 310)) self.videobox.h = 310 self.videobox.w = 310 self.lyt = QVBoxLayout() self.lyt.addWidget(self.videobox,5) self.setLayout(self.lyt) self.sl = QSlider(Qt.Horizontal) self.sl.setMinimum(0.0) if self.video is not None: self.sl.setMaximum(self.video.shape[0]) self.sl.valueChanged.connect(self.whenslidechanges) self.sl.setTickPosition(QSlider.TicksAbove) self.sl.setTracking(True) self.sl.setTickInterval(100) self.frame_counter = QDoubleSpinBox() if images is not None: self.frame = images[0] self.frame_counter.valueChanged.connect(self.video_time_update) self.frame_counter.setSingleStep(1) self.frame_counter.setRange(self.sl.minimum(),self.sl.maximum()) self.frame_counter.valueChanged.connect(self.sl.setValue) self.video_time = QDoubleSpinBox() self.video_time.setSingleStep(30) self.video_time.setRange(self.sl.minimum(),30*self.sl.maximum()) self.frameratetimer = QTimer() self.frameratetimer.setInterval(30) if self.video is not None: self.frameratetimer.timeout.connect(self.update_display) self.play_button = QPushButton('Play Video') self.play_button.clicked.connect(self.frameratetimer.start) self.stop_button = QPushButton('Stop Video') self.stop_button.clicked.connect(self.frameratetimer.stop) if self.video is not None: self.sl.valueChanged.connect(self.whenslidechanges) self.lyt.addWidget(self.play_button,0) self.lyt.addWidget(self.stop_button,1) self.lyt.addWidget(self.sl,2) self.lyt.addWidget(self.frame_counter,3) self.lyt.addWidget(self.video_time,4) self.show() def assign_images(self,images,centres = None): '''#first disconnect signals from eachother so nothing should change whilst video data is being updated self.sl.valueChanged.disconnect(self.video_time_update) self.frameratetimer.timeout.disconnect(self.update_display) self.frame_counter.valueChanged.disconnect(self.whenslidechanges) ''' self.video = images self.coords = centres self.videobox.activeframe = self.video[0] if self.coords is not None: self.videobox.activecoord = self.coords[0] #readjust slider and ticker values to dimensions of video self.sl.setMaximum(len(self.video)-1) self.frame_counter.setRange(self.sl.minimum(),self.sl.maximum()) self.video_time.setRange(self.sl.minimum(),30*self.sl.maximum()) #connect slider and timer etc. self.sl.valueChanged.connect(self.whenslidechanges) self.frameratetimer.timeout.connect(self.update_display) self.frame_counter.valueChanged.connect(self.video_time_update) self.videobox.maxintens = np.max(self.video) self.videobox.update() def update_display(self): if self.threshold_switch: frame = self.video[livestream.i] threshold = threshold_otsu(frame) mask = np.zeros_like(frame) mask[frame > threshold] = 1 self.videobox.maxintens = 1 self.videobox.activeframe = mask else: #if threshold switch is off display usual video, so change active frame source and reset maximum intensity for passing to qimage2ndarray self.videobox.activeframe = self.video[livestream.i] self.videobox.maxintens = np.max(self.video) try: self.videobox.activecoord = self.coords[livestream.i] if not self.videobox.switch: self.videobox.switch = True except: self.videobox.activecoord = None self.videobox.switch = False self.videobox.update() self.frame_counter.setValue(float(livestream.i)) livestream.i+=1 def whenslidechanges(self): if self.frameratetimer.isActive(): self.frameratetimer.stop() livestream.i = self.sl.value() self.update_display() livestream.i -=1 self.frameratetimer.start() else: livestream.i = self.sl.value() self.update_display() livestream.i -=1 def video_time_update(self): self.video_time.setValue(30*self.frame_counter.value()) def turn_on_threshold(self,threshold_switch): self.threshold_switch = threshold_switch self.update_display()
class EditGeometryProperties(PyDialog): force = True def __init__(self, data, win_parent=None): """ +------------------+ | Edit Actor Props | +------------------+------+ | Name1 | | Name2 | | Name3 | | Name4 | | | | Active_Name main | | Color box | | Line_Width 2 | | Point_Size 2 | | Bar_Scale 2 | | Opacity 0.5 | | Show/Hide | | | | Apply OK Cancel | +-------------------------+ """ PyDialog.__init__(self, data, win_parent) self.set_font_size(data['font_size']) del self.out_data['font_size'] self.setWindowTitle('Edit Geometry Properties') self.allow_update = True #default #self.win_parent = win_parent #self.out_data = data self.keys = sorted(data.keys()) self.keys = data.keys() keys = self.keys #nrows = len(keys) self.active_key = 'main' items = list(keys) header_labels = ['Groups'] table_model = Model(items, header_labels, self) view = SingleChoiceQTableView(self) #Call your custom QTableView here view.setModel(table_model) #if qt_version == 4: #view.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch) self.table = view #self.opacity_edit.valueChanged.connect(self.on_opacity) #mListWidget, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(itemClicked(QListWidgetItem*))); #self.table.itemClicked.connect(self.table.mouseDoubleClickEvent) actor_obj = data[self.active_key] name = actor_obj.name line_width = actor_obj.line_width point_size = actor_obj.point_size bar_scale = actor_obj.bar_scale opacity = actor_obj.opacity color = actor_obj.color show = actor_obj.is_visible self.representation = actor_obj.representation # table header = self.table.horizontalHeader() header.setStretchLastSection(True) self._default_is_apply = False self.name = QLabel("Name:") self.name_edit = QLineEdit(str(name)) self.name_edit.setDisabled(True) self.color = QLabel("Color:") self.color_edit = QPushButton() #self.color_edit.setFlat(True) color = self.out_data[self.active_key].color qcolor = QtGui.QColor() qcolor.setRgb(*color) #print('color =%s' % str(color)) palette = QtGui.QPalette(self.color_edit.palette()) # make a copy of the palette #palette.setColor(QtGui.QPalette.Active, QtGui.QPalette.Base, \ #qcolor) palette.setColor(QtGui.QPalette.Background, QtGui.QColor('blue')) # ButtonText self.color_edit.setPalette(palette) self.color_edit.setStyleSheet("QPushButton {" "background-color: rgb(%s, %s, %s);" % tuple(color) + #"border:1px solid rgb(255, 170, 255); " "}") self.use_slider = True self.is_opacity_edit_active = False self.is_opacity_edit_slider_active = False self.is_line_width_edit_active = False self.is_line_width_edit_slider_active = False self.is_point_size_edit_active = False self.is_point_size_edit_slider_active = False self.is_bar_scale_edit_active = False self.is_bar_scale_edit_slider_active = False self.opacity = QLabel("Opacity:") self.opacity_edit = QDoubleSpinBox(self) self.opacity_edit.setRange(0.1, 1.0) self.opacity_edit.setDecimals(1) self.opacity_edit.setSingleStep(0.1) self.opacity_edit.setValue(opacity) if self.use_slider: self.opacity_slider_edit = QSlider(QtCore.Qt.Horizontal) self.opacity_slider_edit.setRange(1, 10) self.opacity_slider_edit.setValue(opacity * 10) self.opacity_slider_edit.setTickInterval(1) self.opacity_slider_edit.setTickPosition(QSlider.TicksBelow) self.line_width = QLabel("Line Width:") self.line_width_edit = QSpinBox(self) self.line_width_edit.setRange(1, MAX_LINE_WIDTH) self.line_width_edit.setSingleStep(1) self.line_width_edit.setValue(line_width) if self.use_slider: self.line_width_slider_edit = QSlider(QtCore.Qt.Horizontal) self.line_width_slider_edit.setRange(1, MAX_LINE_WIDTH) self.line_width_slider_edit.setValue(line_width) self.line_width_slider_edit.setTickInterval(1) self.line_width_slider_edit.setTickPosition(QSlider.TicksBelow) if self.representation in ['point', 'surface']: self.line_width.setEnabled(False) self.line_width_edit.setEnabled(False) self.line_width_slider_edit.setEnabled(False) self.point_size = QLabel("Point Size:") self.point_size_edit = QSpinBox(self) self.point_size_edit.setRange(1, MAX_POINT_SIZE) self.point_size_edit.setSingleStep(1) self.point_size_edit.setValue(point_size) self.point_size.setVisible(False) self.point_size_edit.setVisible(False) if self.use_slider: self.point_size_slider_edit = QSlider(QtCore.Qt.Horizontal) self.point_size_slider_edit.setRange(1, MAX_POINT_SIZE) self.point_size_slider_edit.setValue(point_size) self.point_size_slider_edit.setTickInterval(1) self.point_size_slider_edit.setTickPosition(QSlider.TicksBelow) self.point_size_slider_edit.setVisible(False) if self.representation in ['wire', 'surface']: self.point_size.setEnabled(False) self.point_size_edit.setEnabled(False) if self.use_slider: self.point_size_slider_edit.setEnabled(False) self.bar_scale = QLabel("Bar Scale:") self.bar_scale_edit = QDoubleSpinBox(self) #self.bar_scale_edit.setRange(0.01, 1.0) # was 0.1 #self.bar_scale_edit.setRange(0.05, 5.0) self.bar_scale_edit.setDecimals(1) #self.bar_scale_edit.setSingleStep(bar_scale / 10.) self.bar_scale_edit.setSingleStep(0.1) self.bar_scale_edit.setValue(bar_scale) #if self.use_slider: #self.bar_scale_slider_edit = QSlider(QtCore.Qt.Horizontal) #self.bar_scale_slider_edit.setRange(1, 100) # 1/0.05 = 100/5.0 #self.bar_scale_slider_edit.setValue(opacity * 0.05) #self.bar_scale_slider_edit.setTickInterval(10) #self.bar_scale_slider_edit.setTickPosition(QSlider.TicksBelow) if self.representation != 'bar': self.bar_scale.setEnabled(False) self.bar_scale_edit.setEnabled(False) self.bar_scale.setVisible(False) self.bar_scale_edit.setVisible(False) #self.bar_scale_slider_edit.setVisible(False) #self.bar_scale_slider_edit.setEnabled(False) # show/hide self.checkbox_show = QCheckBox("Show") self.checkbox_hide = QCheckBox("Hide") self.checkbox_show.setChecked(show) self.checkbox_hide.setChecked(not show) if name == 'main': self.color.setEnabled(False) self.color_edit.setEnabled(False) self.point_size.setEnabled(False) self.point_size_edit.setEnabled(False) if self.use_slider: self.point_size_slider_edit.setEnabled(False) self.cancel_button = QPushButton("Close") self.create_layout() self.set_connections() def on_delete(self, irow): """deletes an actor based on the row number""" if irow == 0: # main return nkeys = len(self.keys) if nkeys in [0, 1]: return name = self.keys[irow] nrows = nkeys - 1 self.keys.pop(irow) header_labels = ['Groups'] table_model = Model(self.keys, header_labels, self) self.table.setModel(table_model) if len(self.keys) == 0: self.update() self.set_as_null() return if irow == nrows: irow -= 1 new_name = self.keys[irow] self.update_active_name(new_name) if self.is_gui: self.win_parent.delete_actor(name) def set_as_null(self): """sets the null case""" self.name.setVisible(False) self.name_edit.setVisible(False) self.color.setVisible(False) self.color_edit.setVisible(False) self.line_width.setVisible(False) self.line_width_edit.setVisible(False) self.point_size.setVisible(False) self.point_size_edit.setVisible(False) self.bar_scale.setVisible(False) self.bar_scale_edit.setVisible(False) self.opacity.setVisible(False) self.opacity_edit.setVisible(False) self.opacity_slider_edit.setVisible(False) self.point_size_slider_edit.setVisible(False) self.line_width_slider_edit.setVisible(False) self.checkbox_show.setVisible(False) self.checkbox_hide.setVisible(False) def on_update_geometry_properties_window(self, data): """Not Implemented""" return #new_keys = sorted(data.keys()) #if self.active_key in new_keys: #i = new_keys.index(self.active_key) #else: #i = 0 #self.table.update_data(new_keys) #self.out_data = data #self.update_active_key(i) def update_active_key(self, index): """ Parameters ---------- index : PyQt4.QtCore.QModelIndex the index of the list Internal Parameters ------------------- name : str the name of obj obj : CoordProperties, AltGeometry the storage object for things like line_width, point_size, etc. """ name = str(index.data()) #print('name = %r' % name) #i = self.keys.index(self.active_key) self.update_active_name(name) def update_active_name(self, name): self.active_key = name self.name_edit.setText(name) obj = self.out_data[name] if isinstance(obj, CoordProperties): opacity = 1.0 representation = 'coord' is_visible = obj.is_visible elif isinstance(obj, AltGeometry): line_width = obj.line_width point_size = obj.point_size bar_scale = obj.bar_scale opacity = obj.opacity representation = obj.representation is_visible = obj.is_visible self.color_edit.setStyleSheet("QPushButton {" "background-color: rgb(%s, %s, %s);" % tuple(obj.color) + #"border:1px solid rgb(255, 170, 255); " "}") self.allow_update = False self.force = False self.line_width_edit.setValue(line_width) self.point_size_edit.setValue(point_size) self.bar_scale_edit.setValue(bar_scale) self.force = True self.allow_update = True else: raise NotImplementedError(obj) #allowed_representations = [ #'main', 'surface', 'coord', 'toggle', 'wire', 'point', 'bar'] if self.representation != representation: self.representation = representation #if representation not in allowed_representations: #msg = 'name=%r; representation=%r is invalid\nrepresentations=%r' % ( #name, representation, allowed_representations) if self.representation == 'coord': self.color.setVisible(False) self.color_edit.setVisible(False) self.line_width.setVisible(False) self.line_width_edit.setVisible(False) self.point_size.setVisible(False) self.point_size_edit.setVisible(False) self.bar_scale.setVisible(False) self.bar_scale_edit.setVisible(False) self.opacity.setVisible(False) self.opacity_edit.setVisible(False) if self.use_slider: self.opacity_slider_edit.setVisible(False) self.point_size_slider_edit.setVisible(False) self.line_width_slider_edit.setVisible(False) #self.bar_scale_slider_edit.setVisible(False) else: self.color.setVisible(True) self.color_edit.setVisible(True) self.line_width.setVisible(True) self.line_width_edit.setVisible(True) self.point_size.setVisible(True) self.point_size_edit.setVisible(True) self.bar_scale.setVisible(True) #self.bar_scale_edit.setVisible(True) self.opacity.setVisible(True) self.opacity_edit.setVisible(True) if self.use_slider: self.opacity_slider_edit.setVisible(True) self.line_width_slider_edit.setVisible(True) self.point_size_slider_edit.setVisible(True) #self.bar_scale_slider_edit.setVisible(True) if name == 'main': self.color.setEnabled(False) self.color_edit.setEnabled(False) self.point_size.setEnabled(False) self.point_size_edit.setEnabled(False) self.line_width.setEnabled(True) self.line_width_edit.setEnabled(True) self.bar_scale.setEnabled(False) self.bar_scale_edit.setEnabled(False) show_points = False show_line_width = True show_bar_scale = False if self.use_slider: self.line_width_slider_edit.setEnabled(True) #self.bar_scale_slider_edit.setVisible(False) else: self.color.setEnabled(True) self.color_edit.setEnabled(True) show_points = False if self.representation in ['point', 'wire+point']: show_points = True show_line_width = False if self.representation in ['wire', 'wire+point', 'bar', 'toggle']: show_line_width = True if representation == 'bar': show_bar_scale = True else: show_bar_scale = False #self.bar_scale_button.setVisible(show_bar_scale) #self.bar_scale_edit.setSingleStep(bar_scale / 10.) #if self.use_slider: #self.bar_scale_slider_edit.setEnabled(False) self.point_size.setEnabled(show_points) self.point_size_edit.setEnabled(show_points) self.point_size.setVisible(show_points) self.point_size_edit.setVisible(show_points) self.line_width.setEnabled(show_line_width) self.line_width_edit.setEnabled(show_line_width) self.bar_scale.setEnabled(show_bar_scale) self.bar_scale_edit.setEnabled(show_bar_scale) self.bar_scale.setVisible(show_bar_scale) self.bar_scale_edit.setVisible(show_bar_scale) if self.use_slider: self.point_size_slider_edit.setEnabled(show_points) self.point_size_slider_edit.setVisible(show_points) self.line_width_slider_edit.setEnabled(show_line_width) #if self.representation in ['wire', 'surface']: self.opacity_edit.setValue(opacity) #if self.use_slider: #self.opacity_slider_edit.setValue(opacity*10) self.checkbox_show.setChecked(is_visible) self.checkbox_hide.setChecked(not is_visible) passed = self.on_validate() #self.on_apply(force=True) # TODO: was turned on...do I want this??? #self.allow_update = True def create_layout(self): ok_cancel_box = QHBoxLayout() ok_cancel_box.addWidget(self.cancel_button) grid = QGridLayout() irow = 0 grid.addWidget(self.name, irow, 0) grid.addWidget(self.name_edit, irow, 1) irow += 1 grid.addWidget(self.color, irow, 0) grid.addWidget(self.color_edit, irow, 1) irow += 1 grid.addWidget(self.opacity, irow, 0) if self.use_slider: grid.addWidget(self.opacity_edit, irow, 2) grid.addWidget(self.opacity_slider_edit, irow, 1) else: grid.addWidget(self.opacity_edit, irow, 1) irow += 1 grid.addWidget(self.line_width, irow, 0) if self.use_slider: grid.addWidget(self.line_width_edit, irow, 2) grid.addWidget(self.line_width_slider_edit, irow, 1) else: grid.addWidget(self.line_width_edit, irow, 1) irow += 1 grid.addWidget(self.point_size, irow, 0) if self.use_slider: grid.addWidget(self.point_size_edit, irow, 2) grid.addWidget(self.point_size_slider_edit, irow, 1) else: grid.addWidget(self.point_size_edit, irow, 1) irow += 1 grid.addWidget(self.bar_scale, irow, 0) if self.use_slider and 0: grid.addWidget(self.bar_scale_edit, irow, 2) grid.addWidget(self.bar_scale_slider_edit, irow, 1) else: grid.addWidget(self.bar_scale_edit, irow, 1) irow += 1 checkboxs = QButtonGroup(self) checkboxs.addButton(self.checkbox_show) checkboxs.addButton(self.checkbox_hide) vbox = QVBoxLayout() vbox.addWidget(self.table, stretch=1) vbox.addLayout(grid) vbox1 = QVBoxLayout() vbox1.addWidget(self.checkbox_show) vbox1.addWidget(self.checkbox_hide) vbox.addLayout(vbox1) vbox.addStretch() #vbox.addWidget(self.check_apply) vbox.addLayout(ok_cancel_box) self.setLayout(vbox) def set_connections(self): self.opacity_edit.valueChanged.connect(self.on_opacity) self.line_width_edit.valueChanged.connect(self.on_line_width) self.point_size_edit.valueChanged.connect(self.on_point_size) self.bar_scale_edit.valueChanged.connect(self.on_bar_scale) if self.use_slider: self.opacity_slider_edit.valueChanged.connect(self.on_opacity_slider) self.line_width_slider_edit.valueChanged.connect(self.on_line_width_slider) self.point_size_slider_edit.valueChanged.connect(self.on_point_size_slider) #self.bar_scale_slider_edit.valueChanged.connect(self.on_bar_scale_slider) # self.connect(self.opacity_edit, QtCore.SIGNAL('clicked()'), self.on_opacity) # self.connect(self.line_width, QtCore.SIGNAL('clicked()'), self.on_line_width) # self.connect(self.point_size, QtCore.SIGNAL('clicked()'), self.on_point_size) if qt_version == 4: self.connect(self, QtCore.SIGNAL('triggered()'), self.closeEvent) self.color_edit.clicked.connect(self.on_color) self.checkbox_show.clicked.connect(self.on_show) self.checkbox_hide.clicked.connect(self.on_hide) self.cancel_button.clicked.connect(self.on_cancel) # closeEvent def keyPressEvent(self, event): if event.key() == QtCore.Qt.Key_Escape: self.close() def closeEvent(self, event): self.on_cancel() def on_color(self): """called when the user clicks on the color box""" name = self.active_key obj = self.out_data[name] rgb_color_ints = obj.color msg = name col = QColorDialog.getColor(QtGui.QColor(*rgb_color_ints), self, "Choose a %s color" % msg) if col.isValid(): color_float = col.getRgbF()[:3] obj.color = color_float color_int = [int(colori * 255) for colori in color_float] self.color_edit.setStyleSheet("QPushButton {" "background-color: rgb(%s, %s, %s);" % tuple(color_int) + #"border:1px solid rgb(255, 170, 255); " "}") self.on_apply(force=self.force) #print(self.allow_update) def on_show(self): """shows the actor""" name = self.active_key is_checked = self.checkbox_show.isChecked() self.out_data[name].is_visible = is_checked self.on_apply(force=self.force) def on_hide(self): """hides the actor""" name = self.active_key is_checked = self.checkbox_hide.isChecked() self.out_data[name].is_visible = not is_checked self.on_apply(force=self.force) def on_line_width(self): """increases/decreases the wireframe (for solid bodies) or the bar thickness""" self.is_line_width_edit_active = True name = self.active_key line_width = self.line_width_edit.value() self.out_data[name].line_width = line_width if not self.is_line_width_edit_slider_active: if self.use_slider: self.line_width_slider_edit.setValue(line_width) self.is_line_width_edit_active = False self.on_apply(force=self.force) self.is_line_width_edit_active = False def on_line_width_slider(self): """increases/decreases the wireframe (for solid bodies) or the bar thickness""" self.is_line_width_edit_slider_active = True #name = self.active_key line_width = self.line_width_slider_edit.value() if not self.is_line_width_edit_active: self.line_width_edit.setValue(line_width) self.is_line_width_edit_slider_active = False def on_point_size(self): """increases/decreases the point size""" self.is_point_size_edit_active = True name = self.active_key point_size = self.point_size_edit.value() self.out_data[name].point_size = point_size if not self.is_point_size_edit_slider_active: if self.use_slider: self.point_size_slider_edit.setValue(point_size) self.is_point_size_edit_active = False self.on_apply(force=self.force) self.is_point_size_edit_active = False def on_point_size_slider(self): """increases/decreases the point size""" self.is_point_size_edit_slider_active = True #name = self.active_key point_size = self.point_size_slider_edit.value() if not self.is_point_size_edit_active: self.point_size_edit.setValue(point_size) self.is_point_size_edit_slider_active = False def on_bar_scale(self): """ Vectors start at some xyz coordinate and can increase in length. Increases/decreases the length scale factor. """ self.is_bar_scale_edit_active = True name = self.active_key float_bar_scale = self.bar_scale_edit.value() self.out_data[name].bar_scale = float_bar_scale if not self.is_bar_scale_edit_slider_active: #int_bar_scale = int(round(float_bar_scale * 20, 0)) #if self.use_slider: #self.bar_scale_slider_edit.setValue(int_bar_scale) self.is_bar_scale_edit_active = False self.on_apply(force=self.force) self.is_bar_scale_edit_active = False def on_bar_scale_slider(self): """ Vectors start at some xyz coordinate and can increase in length. Increases/decreases the length scale factor. """ self.is_bar_scale_edit_slider_active = True #name = self.active_key int_bar_scale = self.bar_scale_slider_edit.value() if not self.is_bar_scale_edit_active: float_bar_scale = int_bar_scale / 20. self.bar_scale_edit.setValue(float_bar_scale) self.is_bar_scale_edit_slider_active = False def on_opacity(self): """ opacity = 1.0 (solid/opaque) opacity = 0.0 (invisible) """ self.is_opacity_edit_active = True name = self.active_key float_opacity = self.opacity_edit.value() self.out_data[name].opacity = float_opacity if not self.is_opacity_edit_slider_active: int_opacity = int(round(float_opacity * 10, 0)) if self.use_slider: self.opacity_slider_edit.setValue(int_opacity) self.is_opacity_edit_active = False self.on_apply(force=self.force) self.is_opacity_edit_active = False def on_opacity_slider(self): """ opacity = 1.0 (solid/opaque) opacity = 0.0 (invisible) """ self.is_opacity_edit_slider_active = True #name = self.active_key int_opacity = self.opacity_slider_edit.value() if not self.is_opacity_edit_active: float_opacity = int_opacity / 10. self.opacity_edit.setValue(float_opacity) self.is_opacity_edit_slider_active = False def on_validate(self): self.out_data['clicked_ok'] = True self.out_data['clicked_cancel'] = False old_obj = self.out_data[self.active_key] old_obj.line_width = self.line_width_edit.value() old_obj.point_size = self.point_size_edit.value() old_obj.bar_scale = self.bar_scale_edit.value() old_obj.opacity = self.opacity_edit.value() #old_obj.color = self.color_edit old_obj.is_visible = self.checkbox_show.isChecked() return True #name_value, flag0 = self.check_name(self.name_edit) #ox_value, flag1 = self.check_float(self.transparency_edit) #if flag0 and flag1: #self.out_data['clicked_ok'] = True #return True #return False @property def is_gui(self): return hasattr(self.win_parent, 'on_update_geometry_properties') def on_apply(self, force=False): passed = self.on_validate() #print("passed=%s force=%s allow=%s" % (passed, force, self.allow_update)) if (passed or force) and self.allow_update and self.is_gui: #print('obj = %s' % self.out_data[self.active_key]) self.win_parent.on_update_geometry_properties(self.out_data, name=self.active_key) return passed def on_cancel(self): passed = self.on_apply(force=True) if passed: self.close()
class PyDMChartingDisplay(Display): def __init__(self, parent=None, args=[], macros=None): """ Create all the widgets, including any child dialogs. Parameters ---------- parent : QWidget The parent widget of the charting display args : list The command parameters macros : str Macros to modify the UI parameters at runtime """ super(PyDMChartingDisplay, self).__init__(parent=parent, args=args, macros=macros) self.channel_map = dict() self.setWindowTitle("PyDM Charting Tool") self.main_layout = QVBoxLayout() self.body_layout = QVBoxLayout() self.pv_layout = QHBoxLayout() self.pv_name_line_edt = QLineEdit() self.pv_name_line_edt.setAcceptDrops(True) self.pv_name_line_edt.installEventFilter(self) self.pv_protocol_cmb = QComboBox() self.pv_protocol_cmb.addItems(["ca://", "archive://"]) self.pv_connect_push_btn = QPushButton("Connect") self.pv_connect_push_btn.clicked.connect(self.add_curve) self.tab_panel = QTabWidget() self.tab_panel.setMaximumWidth(450) self.curve_settings_tab = QWidget() self.chart_settings_tab = QWidget() self.charting_layout = QHBoxLayout() self.chart = PyDMTimePlot(plot_by_timestamps=False, plot_display=self) self.chart.setPlotTitle("Time Plot") self.splitter = QSplitter() self.curve_settings_layout = QVBoxLayout() self.curve_settings_layout.setAlignment(Qt.AlignTop) self.curve_settings_layout.setSizeConstraint(QLayout.SetMinAndMaxSize) self.curve_settings_layout.setSpacing(5) self.crosshair_settings_layout = QVBoxLayout() self.crosshair_settings_layout.setAlignment(Qt.AlignTop) self.crosshair_settings_layout.setSpacing(5) self.enable_crosshair_chk = QCheckBox("Enable Crosshair") self.cross_hair_coord_lbl = QLabel() self.curve_settings_inner_frame = QFrame() self.curve_settings_inner_frame.setLayout(self.curve_settings_layout) self.curve_settings_scroll = QScrollArea() self.curve_settings_scroll.setVerticalScrollBarPolicy( Qt.ScrollBarAsNeeded) self.curve_settings_scroll.setWidget(self.curve_settings_inner_frame) self.curves_tab_layout = QHBoxLayout() self.curves_tab_layout.addWidget(self.curve_settings_scroll) self.enable_crosshair_chk.setChecked(False) self.enable_crosshair_chk.clicked.connect( self.handle_enable_crosshair_checkbox_clicked) self.enable_crosshair_chk.clicked.emit(False) self.chart_settings_layout = QVBoxLayout() self.chart_settings_layout.setAlignment(Qt.AlignTop) self.chart_layout = QVBoxLayout() self.chart_panel = QWidget() self.chart_control_layout = QHBoxLayout() self.chart_control_layout.setAlignment(Qt.AlignHCenter) self.chart_control_layout.setSpacing(10) self.view_all_btn = QPushButton("View All") self.view_all_btn.clicked.connect(self.handle_view_all_button_clicked) self.view_all_btn.setEnabled(False) self.auto_scale_btn = QPushButton("Auto Scale") self.auto_scale_btn.clicked.connect(self.handle_auto_scale_btn_clicked) self.auto_scale_btn.setEnabled(False) self.reset_chart_btn = QPushButton("Reset") self.reset_chart_btn.clicked.connect( self.handle_reset_chart_btn_clicked) self.reset_chart_btn.setEnabled(False) self.resume_chart_text = "Resume" self.pause_chart_text = "Pause" self.pause_chart_btn = QPushButton(self.pause_chart_text) self.pause_chart_btn.clicked.connect( self.handle_pause_chart_btn_clicked) self.title_settings_layout = QVBoxLayout() self.title_settings_layout.setSpacing(10) self.title_settings_grpbx = QGroupBox() self.title_settings_grpbx.setFixedHeight(150) self.import_data_btn = QPushButton("Import Data...") self.import_data_btn.clicked.connect( self.handle_import_data_btn_clicked) self.export_data_btn = QPushButton("Export Data...") self.export_data_btn.clicked.connect( self.handle_export_data_btn_clicked) self.chart_title_lbl = QLabel(text="Chart Title") self.chart_title_line_edt = QLineEdit() self.chart_title_line_edt.setText(self.chart.getPlotTitle()) self.chart_title_line_edt.textChanged.connect( self.handle_title_text_changed) self.chart_change_axis_settings_btn = QPushButton( text="Change Axis Settings...") self.chart_change_axis_settings_btn.clicked.connect( self.handle_change_axis_settings_clicked) self.update_datetime_timer = QTimer(self) self.update_datetime_timer.timeout.connect( self.handle_update_datetime_timer_timeout) self.chart_sync_mode_layout = QVBoxLayout() self.chart_sync_mode_layout.setSpacing(5) self.chart_sync_mode_grpbx = QGroupBox("Data Sampling Mode") self.chart_sync_mode_grpbx.setFixedHeight(80) self.chart_sync_mode_sync_radio = QRadioButton("Synchronous") self.chart_sync_mode_async_radio = QRadioButton("Asynchronous") self.chart_sync_mode_async_radio.setChecked(True) self.graph_drawing_settings_layout = QVBoxLayout() self.chart_redraw_rate_lbl = QLabel("Redraw Rate (Hz)") self.chart_redraw_rate_spin = QSpinBox() self.chart_redraw_rate_spin.setRange(MIN_REDRAW_RATE_HZ, MAX_REDRAW_RATE_HZ) self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ) self.chart_redraw_rate_spin.valueChanged.connect( self.handle_redraw_rate_changed) self.chart_data_sampling_rate_lbl = QLabel( "Asynchronous Data Sampling Rate (Hz)") self.chart_data_async_sampling_rate_spin = QSpinBox() self.chart_data_async_sampling_rate_spin.setRange( MIN_DATA_SAMPLING_RATE_HZ, MAX_DATA_SAMPLING_RATE_HZ) self.chart_data_async_sampling_rate_spin.setValue( DEFAULT_DATA_SAMPLING_RATE_HZ) self.chart_data_async_sampling_rate_spin.valueChanged.connect( self.handle_data_sampling_rate_changed) self.chart_data_sampling_rate_lbl.hide() self.chart_data_async_sampling_rate_spin.hide() self.chart_limit_time_span_layout = QHBoxLayout() self.chart_limit_time_span_layout.setSpacing(5) self.limit_time_plan_text = "Limit Time Span" self.chart_limit_time_span_chk = QCheckBox(self.limit_time_plan_text) self.chart_limit_time_span_chk.hide() self.chart_limit_time_span_lbl = QLabel("Hours : Minutes : Seconds") self.chart_limit_time_span_hours_line_edt = QLineEdit() self.chart_limit_time_span_minutes_line_edt = QLineEdit() self.chart_limit_time_span_seconds_line_edt = QLineEdit() self.chart_limit_time_span_activate_btn = QPushButton("Apply") self.chart_limit_time_span_activate_btn.setDisabled(True) self.chart_ring_buffer_size_lbl = QLabel("Ring Buffer Size") self.chart_ring_buffer_size_edt = QLineEdit() self.chart_ring_buffer_size_edt.installEventFilter(self) self.chart_ring_buffer_size_edt.textChanged.connect( self.handle_buffer_size_changed) self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE)) self.show_legend_chk = QCheckBox("Show Legend") self.show_legend_chk.setChecked(self.chart.showLegend) self.show_legend_chk.clicked.connect( self.handle_show_legend_checkbox_clicked) self.graph_background_color_layout = QFormLayout() self.background_color_lbl = QLabel("Graph Background Color ") self.background_color_btn = QPushButton() self.background_color_btn.setStyleSheet( "background-color: " + self.chart.getBackgroundColor().name()) self.background_color_btn.setContentsMargins(10, 0, 5, 5) self.background_color_btn.setMaximumWidth(20) self.background_color_btn.clicked.connect( self.handle_background_color_button_clicked) self.axis_settings_layout = QVBoxLayout() self.axis_settings_layout.setSpacing(5) self.show_x_grid_chk = QCheckBox("Show x Grid") self.show_x_grid_chk.setChecked(self.chart.showXGrid) self.show_x_grid_chk.clicked.connect( self.handle_show_x_grid_checkbox_clicked) self.show_y_grid_chk = QCheckBox("Show y Grid") self.show_y_grid_chk.setChecked(self.chart.showYGrid) self.show_y_grid_chk.clicked.connect( self.handle_show_y_grid_checkbox_clicked) self.axis_color_lbl = QLabel("Axis and Grid Color") self.axis_color_lbl.setEnabled(False) self.axis_color_btn = QPushButton() self.axis_color_btn.setStyleSheet("background-color: " + DEFAULT_CHART_AXIS_COLOR.name()) self.axis_color_btn.setContentsMargins(10, 0, 5, 5) self.axis_color_btn.setMaximumWidth(20) self.axis_color_btn.clicked.connect( self.handle_axis_color_button_clicked) self.axis_color_btn.setEnabled(False) self.grid_opacity_lbl = QLabel("Grid Opacity") self.grid_opacity_lbl.setEnabled(False) self.grid_opacity_slr = QSlider(Qt.Horizontal) self.grid_opacity_slr.setFocusPolicy(Qt.StrongFocus) self.grid_opacity_slr.setRange(0, 10) self.grid_opacity_slr.setValue(5) self.grid_opacity_slr.setTickInterval(1) self.grid_opacity_slr.setSingleStep(1) self.grid_opacity_slr.setTickPosition(QSlider.TicksBelow) self.grid_opacity_slr.valueChanged.connect( self.handle_grid_opacity_slider_mouse_release) self.grid_opacity_slr.setEnabled(False) self.reset_chart_settings_btn = QPushButton("Reset Chart Settings") self.reset_chart_settings_btn.clicked.connect( self.handle_reset_chart_settings_btn_clicked) self.curve_checkbox_panel = QWidget() self.graph_drawing_settings_grpbx = QGroupBox() self.graph_drawing_settings_grpbx.setFixedHeight(270) self.axis_settings_grpbx = QGroupBox() self.axis_settings_grpbx.setFixedHeight(180) self.app = QApplication.instance() self.setup_ui() self.curve_settings_disp = None self.axis_settings_disp = None self.chart_data_export_disp = None self.chart_data_import_disp = None self.grid_alpha = 5 self.time_span_limit_hours = None self.time_span_limit_minutes = None self.time_span_limit_seconds = None self.data_sampling_mode = ASYNC_DATA_SAMPLING def minimumSizeHint(self): """ The minimum recommended size of the main window. """ return QSize(1490, 800) def ui_filepath(self): """ The path to the UI file created by Qt Designer, if applicable. """ # No UI file is being used return None def ui_filename(self): """ The name the UI file created by Qt Designer, if applicable. """ # No UI file is being used return None def setup_ui(self): """ Initialize the widgets and layouts. """ self.setLayout(self.main_layout) self.pv_layout.addWidget(self.pv_protocol_cmb) self.pv_layout.addWidget(self.pv_name_line_edt) self.pv_layout.addWidget(self.pv_connect_push_btn) QTimer.singleShot(0, self.pv_name_line_edt.setFocus) self.curve_settings_tab.setLayout(self.curves_tab_layout) self.chart_settings_tab.setLayout(self.chart_settings_layout) self.setup_chart_settings_layout() self.tab_panel.addTab(self.curve_settings_tab, "Curves") self.tab_panel.addTab(self.chart_settings_tab, "Chart") self.tab_panel.hide() self.crosshair_settings_layout.addWidget(self.enable_crosshair_chk) self.crosshair_settings_layout.addWidget(self.cross_hair_coord_lbl) self.chart_control_layout.addWidget(self.auto_scale_btn) self.chart_control_layout.addWidget(self.view_all_btn) self.chart_control_layout.addWidget(self.reset_chart_btn) self.chart_control_layout.addWidget(self.pause_chart_btn) self.chart_control_layout.addLayout(self.crosshair_settings_layout) self.chart_control_layout.addWidget(self.import_data_btn) self.chart_control_layout.addWidget(self.export_data_btn) self.chart_control_layout.setStretch(4, 15) self.chart_control_layout.insertSpacing(5, 350) self.chart_layout.addWidget(self.chart) self.chart_layout.addLayout(self.chart_control_layout) self.chart_panel.setLayout(self.chart_layout) self.splitter.addWidget(self.chart_panel) self.splitter.addWidget(self.tab_panel) self.splitter.setStretchFactor(0, 0) self.splitter.setStretchFactor(1, 1) self.charting_layout.addWidget(self.splitter) self.body_layout.addLayout(self.pv_layout) self.body_layout.addLayout(self.charting_layout) self.body_layout.addLayout(self.chart_control_layout) self.main_layout.addLayout(self.body_layout) self.enable_chart_control_buttons(False) def setup_chart_settings_layout(self): self.chart_sync_mode_sync_radio.toggled.connect( partial(self.handle_sync_mode_radio_toggle, self.chart_sync_mode_sync_radio)) self.chart_sync_mode_async_radio.toggled.connect( partial(self.handle_sync_mode_radio_toggle, self.chart_sync_mode_async_radio)) self.title_settings_layout.addWidget(self.chart_title_lbl) self.title_settings_layout.addWidget(self.chart_title_line_edt) self.title_settings_layout.addWidget(self.show_legend_chk) self.title_settings_layout.addWidget( self.chart_change_axis_settings_btn) self.title_settings_grpbx.setLayout(self.title_settings_layout) self.chart_settings_layout.addWidget(self.title_settings_grpbx) self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_sync_radio) self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_async_radio) self.chart_sync_mode_grpbx.setLayout(self.chart_sync_mode_layout) self.chart_settings_layout.addWidget(self.chart_sync_mode_grpbx) self.chart_settings_layout.addWidget(self.chart_sync_mode_grpbx) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_lbl) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_hours_line_edt) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_minutes_line_edt) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_seconds_line_edt) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_activate_btn) self.chart_limit_time_span_lbl.hide() self.chart_limit_time_span_hours_line_edt.hide() self.chart_limit_time_span_minutes_line_edt.hide() self.chart_limit_time_span_seconds_line_edt.hide() self.chart_limit_time_span_activate_btn.hide() self.chart_limit_time_span_hours_line_edt.textChanged.connect( self.handle_time_span_edt_text_changed) self.chart_limit_time_span_minutes_line_edt.textChanged.connect( self.handle_time_span_edt_text_changed) self.chart_limit_time_span_seconds_line_edt.textChanged.connect( self.handle_time_span_edt_text_changed) self.chart_limit_time_span_chk.clicked.connect( self.handle_limit_time_span_checkbox_clicked) self.chart_limit_time_span_activate_btn.clicked.connect( self.handle_chart_limit_time_span_activate_btn_clicked) self.chart_limit_time_span_activate_btn.installEventFilter(self) self.graph_background_color_layout.addRow(self.background_color_lbl, self.background_color_btn) self.graph_drawing_settings_layout.addLayout( self.graph_background_color_layout) self.graph_drawing_settings_layout.addWidget( self.chart_redraw_rate_lbl) self.graph_drawing_settings_layout.addWidget( self.chart_redraw_rate_spin) self.graph_drawing_settings_layout.addWidget( self.chart_data_sampling_rate_lbl) self.graph_drawing_settings_layout.addWidget( self.chart_data_async_sampling_rate_spin) self.graph_drawing_settings_layout.addWidget( self.chart_limit_time_span_chk) self.graph_drawing_settings_layout.addLayout( self.chart_limit_time_span_layout) self.graph_drawing_settings_layout.addWidget( self.chart_ring_buffer_size_lbl) self.graph_drawing_settings_layout.addWidget( self.chart_ring_buffer_size_edt) self.graph_drawing_settings_grpbx.setLayout( self.graph_drawing_settings_layout) self.axis_settings_layout.addWidget(self.show_x_grid_chk) self.axis_settings_layout.addWidget(self.show_y_grid_chk) self.axis_settings_layout.addWidget(self.axis_color_lbl) self.axis_settings_layout.addWidget(self.axis_color_btn) self.axis_settings_layout.addWidget(self.grid_opacity_lbl) self.axis_settings_layout.addWidget(self.grid_opacity_slr) self.axis_settings_grpbx.setLayout(self.axis_settings_layout) self.chart_settings_layout.addWidget(self.graph_drawing_settings_grpbx) self.chart_settings_layout.addWidget(self.axis_settings_grpbx) self.chart_settings_layout.addWidget(self.reset_chart_settings_btn) self.chart_sync_mode_async_radio.toggled.emit(True) self.update_datetime_timer.start(1000) def eventFilter(self, obj, event): """ Handle key and mouse events for any applicable widget. Parameters ---------- obj : QWidget The current widget that accepts the event event : QEvent The key or mouse event to handle Returns ------- True if the event was handled successfully; False otherwise """ if obj == self.pv_name_line_edt and event.type() == QEvent.KeyPress: if event.key() == Qt.Key_Enter or event.key() == Qt.Key_Return: self.add_curve() return True elif obj == self.chart_limit_time_span_activate_btn and event.type( ) == QEvent.KeyPress: if event.key() == Qt.Key_Enter or event.key() == Qt.Key_Return: self.handle_chart_limit_time_span_activate_btn_clicked() return True elif obj == self.chart_ring_buffer_size_edt: if event.type() == QEvent.KeyPress and (event.key() == Qt.Key_Enter or event.key() == Qt.Key_Return) or \ event.type() == QEvent.FocusOut: try: buffer_size = int(self.chart_ring_buffer_size_edt.text()) if buffer_size < MINIMUM_BUFFER_SIZE: self.chart_ring_buffer_size_edt.setText( str(MINIMUM_BUFFER_SIZE)) except ValueError: display_message_box(QMessageBox.Critical, "Invalid Values", "Only integer values are accepted.") return True return super(PyDMChartingDisplay, self).eventFilter(obj, event) def add_curve(self): """ Add a new curve to the chart. """ pv_name = self._get_full_pv_name(self.pv_name_line_edt.text()) color = random_color() for k, v in self.channel_map.items(): if color == v.color: color = random_color() self.add_y_channel(pv_name=pv_name, curve_name=pv_name, color=color) def handle_enable_crosshair_checkbox_clicked(self, is_checked): self.chart.enableCrosshair(is_checked) self.cross_hair_coord_lbl.setVisible(is_checked) def add_y_channel(self, pv_name, curve_name, color, line_style=Qt.SolidLine, line_width=2, symbol=None, symbol_size=None): if pv_name in self.channel_map: logger.error("'{0}' has already been added.".format(pv_name)) return curve = self.chart.addYChannel(y_channel=pv_name, name=curve_name, color=color, lineStyle=line_style, lineWidth=line_width, symbol=symbol, symbolSize=symbol_size) self.channel_map[pv_name] = curve self.generate_pv_controls(pv_name, color) self.enable_chart_control_buttons() self.app.establish_widget_connections(self) def generate_pv_controls(self, pv_name, curve_color): """ Generate a set of widgets to manage the appearance of a curve. The set of widgets includes: 1. A checkbox which shows the curve on the chart if checked, and hide the curve if not checked 2. Two buttons -- Modify... and Remove. Modify... will bring up the Curve Settings dialog. Remove will delete the curve from the chart This set of widgets will be hidden initially, until the first curve is plotted. Parameters ---------- pv_name: str The name of the PV the current curve is being plotted for curve_color : QColor The color of the curve to paint for the checkbox label to help the user track the curve to the checkbox """ checkbox = QCheckBox() checkbox.setObjectName(pv_name) palette = checkbox.palette() palette.setColor(QPalette.Active, QPalette.WindowText, curve_color) checkbox.setPalette(palette) display_name = pv_name.split("://")[1] if len(display_name) > MAX_DISPLAY_PV_NAME_LENGTH: # Only display max allowed number of characters of the PV Name display_name = display_name[:int(MAX_DISPLAY_PV_NAME_LENGTH / 2) - 1] + "..." + \ display_name[-int(MAX_DISPLAY_PV_NAME_LENGTH / 2) + 2:] checkbox.setText(display_name) data_text = QLabel() data_text.setObjectName(pv_name) data_text.setPalette(palette) checkbox.setChecked(True) checkbox.clicked.connect( partial(self.handle_curve_chkbox_toggled, checkbox)) curve_btn_layout = QHBoxLayout() modify_curve_btn = QPushButton("Modify...") modify_curve_btn.setObjectName(pv_name) modify_curve_btn.setMaximumWidth(100) modify_curve_btn.clicked.connect( partial(self.display_curve_settings_dialog, pv_name)) focus_curve_btn = QPushButton("Focus") focus_curve_btn.setObjectName(pv_name) focus_curve_btn.setMaximumWidth(100) focus_curve_btn.clicked.connect(partial(self.focus_curve, pv_name)) annotate_curve_btn = QPushButton("Annotate...") annotate_curve_btn.setObjectName(pv_name) annotate_curve_btn.setMaximumWidth(100) annotate_curve_btn.clicked.connect( partial(self.annotate_curve, pv_name)) remove_curve_btn = QPushButton("Remove") remove_curve_btn.setObjectName(pv_name) remove_curve_btn.setMaximumWidth(100) remove_curve_btn.clicked.connect(partial(self.remove_curve, pv_name)) curve_btn_layout.addWidget(modify_curve_btn) curve_btn_layout.addWidget(focus_curve_btn) curve_btn_layout.addWidget(annotate_curve_btn) curve_btn_layout.addWidget(remove_curve_btn) individual_curve_layout = QVBoxLayout() individual_curve_layout.addWidget(checkbox) individual_curve_layout.addWidget(data_text) individual_curve_layout.addLayout(curve_btn_layout) size_policy = QSizePolicy() size_policy.setVerticalPolicy(QSizePolicy.Fixed) individual_curve_grpbx = QGroupBox() individual_curve_grpbx.setSizePolicy(size_policy) individual_curve_grpbx.setObjectName(pv_name) individual_curve_grpbx.setLayout(individual_curve_layout) self.curve_settings_layout.addWidget(individual_curve_grpbx) self.tab_panel.show() def handle_curve_chkbox_toggled(self, checkbox): """ Handle a checkbox's checked and unchecked events. If a checkbox is checked, find the curve from the channel map. If found, re-draw the curve with its previous appearance settings. If a checkbox is unchecked, remove the curve from the chart, but keep the cached data in the channel map. Parameters ---------- checkbox : QCheckBox The current checkbox being toggled """ pv_name = self._get_full_pv_name(checkbox.text()) if checkbox.isChecked(): curve = self.channel_map.get(pv_name, None) if curve: self.chart.addLegendItem(curve, pv_name, self.show_legend_chk.isChecked()) curve.show() else: curve = self.chart.findCurve(pv_name) if curve: curve.hide() self.chart.removeLegendItem(pv_name) def display_curve_settings_dialog(self, pv_name): """ Bring up the Curve Settings dialog to modify the appearance of a curve. Parameters ---------- pv_name : str The name of the PV the curve is being plotted for """ self.curve_settings_disp = CurveSettingsDisplay(self, pv_name) self.curve_settings_disp.show() def focus_curve(self, pv_name): curve = self.chart.findCurve(pv_name) if curve: self.chart.plotItem.setYRange(curve.minY, curve.maxY, padding=0) def annotate_curve(self, pv_name): curve = self.chart.findCurve(pv_name) if curve: annot = TextItem( html= '<div style="text-align: center"><span style="color: #FFF;">This is the' '</span><br><span style="color: #FF0; font-size: 16pt;">PEAK</span></div>', anchor=(-0.3, 0.5), border='w', fill=(0, 0, 255, 100)) annot = TextItem("test", anchor=(-0.3, 0.5)) self.chart.annotateCurve(curve, annot) def remove_curve(self, pv_name): """ Remove a curve from the chart permanently. This will also clear the channel map cache from retaining the removed curve's appearance settings. Parameters ---------- pv_name : str The name of the PV the curve is being plotted for """ curve = self.chart.findCurve(pv_name) if curve: self.chart.removeYChannel(curve) del self.channel_map[pv_name] self.chart.removeLegendItem(pv_name) widgets = self.findChildren( (QCheckBox, QLabel, QPushButton, QGroupBox), pv_name) for w in widgets: w.deleteLater() if len(self.chart.getCurves()) < 1: self.enable_chart_control_buttons(False) self.show_legend_chk.setChecked(False) def handle_title_text_changed(self, new_text): self.chart.setPlotTitle(new_text) def handle_change_axis_settings_clicked(self): self.axis_settings_disp = AxisSettingsDisplay(self) self.axis_settings_disp.show() def handle_limit_time_span_checkbox_clicked(self, is_checked): self.chart_limit_time_span_lbl.setVisible(is_checked) self.chart_limit_time_span_hours_line_edt.setVisible(is_checked) self.chart_limit_time_span_minutes_line_edt.setVisible(is_checked) self.chart_limit_time_span_seconds_line_edt.setVisible(is_checked) self.chart_limit_time_span_activate_btn.setVisible(is_checked) self.chart_ring_buffer_size_lbl.setDisabled(is_checked) self.chart_ring_buffer_size_edt.setDisabled(is_checked) if not is_checked: self.chart_limit_time_span_chk.setText(self.limit_time_plan_text) def handle_time_span_edt_text_changed(self, new_text): try: self.time_span_limit_hours = int( self.chart_limit_time_span_hours_line_edt.text()) self.time_span_limit_minutes = int( self.chart_limit_time_span_minutes_line_edt.text()) self.time_span_limit_seconds = int( self.chart_limit_time_span_seconds_line_edt.text()) except ValueError as e: self.time_span_limit_hours = None self.time_span_limit_minutes = None self.time_span_limit_seconds = None if self.time_span_limit_hours is not None and self.time_span_limit_minutes is not None and \ self.time_span_limit_seconds is not None: self.chart_limit_time_span_activate_btn.setEnabled(True) else: self.chart_limit_time_span_activate_btn.setEnabled(False) def handle_chart_limit_time_span_activate_btn_clicked(self): if self.time_span_limit_hours is None or self.time_span_limit_minutes is None or \ self.time_span_limit_seconds is None: display_message_box( QMessageBox.Critical, "Invalid Values", "Hours, minutes, and seconds expect only integer values.") else: timeout_milliseconds = (self.time_span_limit_hours * 3600 + self.time_span_limit_minutes * 60 + self.time_span_limit_seconds) * 1000 self.chart.setTimeSpan(timeout_milliseconds / 1000.0) self.chart_ring_buffer_size_edt.setText( str(self.chart.getBufferSize())) def handle_buffer_size_changed(self, new_buffer_size): try: if new_buffer_size and int(new_buffer_size) > MINIMUM_BUFFER_SIZE: self.chart.setBufferSize(new_buffer_size) except ValueError: display_message_box(QMessageBox.Critical, "Invalid Values", "Only integer values are accepted.") def handle_redraw_rate_changed(self, new_redraw_rate): self.chart.maxRedrawRate = new_redraw_rate def handle_data_sampling_rate_changed(self, new_data_sampling_rate): # The chart expects the value in milliseconds sampling_rate_seconds = 1 / new_data_sampling_rate self.chart.setUpdateInterval(sampling_rate_seconds) def handle_background_color_button_clicked(self): selected_color = QColorDialog.getColor() self.chart.setBackgroundColor(selected_color) self.background_color_btn.setStyleSheet("background-color: " + selected_color.name()) def handle_axis_color_button_clicked(self): selected_color = QColorDialog.getColor() self.chart.setAxisColor(selected_color) self.axis_color_btn.setStyleSheet("background-color: " + selected_color.name()) def handle_grid_opacity_slider_mouse_release(self): self.grid_alpha = float(self.grid_opacity_slr.value()) / 10.0 self.chart.setShowXGrid(self.show_x_grid_chk.isChecked(), self.grid_alpha) self.chart.setShowYGrid(self.show_y_grid_chk.isChecked(), self.grid_alpha) def handle_show_x_grid_checkbox_clicked(self, is_checked): self.chart.setShowXGrid(is_checked, self.grid_alpha) self.axis_color_lbl.setEnabled(is_checked or self.show_y_grid_chk.isChecked()) self.axis_color_btn.setEnabled(is_checked or self.show_y_grid_chk.isChecked()) self.grid_opacity_lbl.setEnabled(is_checked or self.show_y_grid_chk.isChecked()) self.grid_opacity_slr.setEnabled(is_checked or self.show_y_grid_chk.isChecked()) def handle_show_y_grid_checkbox_clicked(self, is_checked): self.chart.setShowYGrid(is_checked, self.grid_alpha) self.axis_color_lbl.setEnabled(is_checked or self.show_x_grid_chk.isChecked()) self.axis_color_btn.setEnabled(is_checked or self.show_x_grid_chk.isChecked()) self.grid_opacity_lbl.setEnabled(is_checked or self.show_x_grid_chk.isChecked()) self.grid_opacity_slr.setEnabled(is_checked or self.show_x_grid_chk.isChecked()) def handle_show_legend_checkbox_clicked(self, is_checked): self.chart.setShowLegend(is_checked) def handle_export_data_btn_clicked(self): self.chart_data_export_disp = ChartDataExportDisplay(self) self.chart_data_export_disp.show() def handle_import_data_btn_clicked(self): open_file_info = QFileDialog.getOpenFileName(self, caption="Save File", filter="*." + IMPORT_FILE_FORMAT) open_file_name = open_file_info[0] if open_file_name: importer = SettingsImporter(self) importer.import_settings(open_file_name) def handle_sync_mode_radio_toggle(self, radio_btn): if radio_btn.isChecked(): if radio_btn.text() == "Synchronous": self.data_sampling_mode = SYNC_DATA_SAMPLING self.chart_data_sampling_rate_lbl.hide() self.chart_data_async_sampling_rate_spin.hide() self.chart.resetTimeSpan() self.chart_limit_time_span_chk.setChecked(False) self.chart_limit_time_span_chk.clicked.emit(False) self.chart_limit_time_span_chk.hide() self.graph_drawing_settings_grpbx.setFixedHeight(180) self.chart.setUpdatesAsynchronously(False) elif radio_btn.text() == "Asynchronous": self.data_sampling_mode = ASYNC_DATA_SAMPLING self.chart_data_sampling_rate_lbl.show() self.chart_data_async_sampling_rate_spin.show() self.chart_limit_time_span_chk.show() self.graph_drawing_settings_grpbx.setFixedHeight(270) self.chart.setUpdatesAsynchronously(True) self.app.establish_widget_connections(self) def handle_auto_scale_btn_clicked(self): self.chart.resetAutoRangeX() self.chart.resetAutoRangeY() def handle_view_all_button_clicked(self): self.chart.getViewBox().autoRange() def handle_pause_chart_btn_clicked(self): if self.chart.pausePlotting(): self.pause_chart_btn.setText(self.pause_chart_text) else: self.pause_chart_btn.setText(self.resume_chart_text) def handle_reset_chart_btn_clicked(self): self.chart.getViewBox().setXRange(DEFAULT_X_MIN, 0) self.chart.resetAutoRangeY() @Slot() def handle_reset_chart_settings_btn_clicked(self): self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE)) self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ) self.chart_data_async_sampling_rate_spin.setValue( DEFAULT_DATA_SAMPLING_RATE_HZ) self.chart_data_sampling_rate_lbl.hide() self.chart_data_async_sampling_rate_spin.hide() self.chart_sync_mode_async_radio.setChecked(True) self.chart_sync_mode_async_radio.toggled.emit(True) self.chart_limit_time_span_chk.setChecked(False) self.chart_limit_time_span_chk.setText(self.limit_time_plan_text) self.chart_limit_time_span_chk.clicked.emit(False) self.chart.setUpdatesAsynchronously(True) self.chart.resetTimeSpan() self.chart.resetUpdateInterval() self.chart.setBufferSize(DEFAULT_BUFFER_SIZE) self.chart.setBackgroundColor(DEFAULT_CHART_BACKGROUND_COLOR) self.background_color_btn.setStyleSheet( "background-color: " + DEFAULT_CHART_BACKGROUND_COLOR.name()) self.chart.setAxisColor(DEFAULT_CHART_AXIS_COLOR) self.axis_color_btn.setStyleSheet("background-color: " + DEFAULT_CHART_AXIS_COLOR.name()) self.grid_opacity_slr.setValue(5) self.show_x_grid_chk.setChecked(False) self.show_x_grid_chk.clicked.emit(False) self.show_y_grid_chk.setChecked(False) self.show_y_grid_chk.clicked.emit(False) self.show_legend_chk.setChecked(False) self.chart.setShowXGrid(False) self.chart.setShowYGrid(False) self.chart.setShowLegend(False) def enable_chart_control_buttons(self, enabled=True): self.auto_scale_btn.setEnabled(enabled) self.view_all_btn.setEnabled(enabled) self.reset_chart_btn.setEnabled(enabled) self.pause_chart_btn.setText(self.pause_chart_text) self.pause_chart_btn.setEnabled(enabled) self.export_data_btn.setEnabled(enabled) def _get_full_pv_name(self, pv_name): """ Append the protocol to the PV Name. Parameters ---------- pv_name : str The name of the PV the curve is being plotted for """ if pv_name and "://" not in pv_name: pv_name = ''.join([self.pv_protocol_cmb.currentText(), pv_name]) return pv_name def handle_update_datetime_timer_timeout(self): current_label = self.chart.getBottomAxisLabel() new_label = "Current Time: " + PyDMChartingDisplay.get_current_datetime( ) if X_AXIS_LABEL_SEPARATOR in current_label: current_label = current_label[current_label. find(X_AXIS_LABEL_SEPARATOR) + len(X_AXIS_LABEL_SEPARATOR):] new_label += X_AXIS_LABEL_SEPARATOR + current_label self.chart.setLabel("bottom", text=new_label) def update_curve_data(self, curve): """ Determine if the PV is active. If not, disable the related PV controls. If the PV is active, update the PV controls' states. Parameters ---------- curve : PlotItem A PlotItem, i.e. a plot, to draw on the chart. """ pv_name = curve.name() max_x = self.chart.getViewBox().viewRange()[1][0] max_y = self.chart.getViewBox().viewRange()[1][1] current_y = curve.data_buffer[1, -1] widgets = self.findChildren((QCheckBox, QLabel, QPushButton), pv_name) for w in widgets: if np.isnan(current_y): if isinstance(w, QCheckBox): w.setChecked(False) else: if isinstance(w, QCheckBox) and not w.isEnabled(): w.setChecked(True) if isinstance(w, QLabel): w.clear() w.setText( "(yMin = {0:.3f}, yMax = {1:.3f}) y = {2:.3f}".format( max_x, max_y, current_y)) w.show() w.setEnabled(not np.isnan(current_y)) if isinstance(w, QPushButton) and w.text() == "Remove": # Enable the Remove button to make removing inactive PVs possible anytime w.setEnabled(True) def show_mouse_coordinates(self, x, y): self.cross_hair_coord_lbl.clear() self.cross_hair_coord_lbl.setText("x = {0:.3f}, y = {1:.3f}".format( x, y)) @staticmethod def get_current_datetime(): current_date = datetime.datetime.now().strftime("%b %d, %Y") current_time = datetime.datetime.now().strftime("%H:%M:%S") current_datetime = current_time + ' (' + current_date + ')' return current_datetime @property def gridAlpha(self): return self.grid_alpha
class TrapViewer(QWidget): i = 0 def __init__(self, qnd, images, trap_positions=None, labels=None): QWidget.__init__(self) self.video = images # This is a file object buffer containing the images self.trap_positions = trap_positions self.labels = labels self.videobox = Label(trap_positions, labels) self.videobox.activeframe = images.asarray(key=TrapViewer.i) try: self.videobox.maxintens = int(images.imagej_metadata['max']) self.videobox.maxintens = 15265 print(images.imagej_metadata) except KeyError: self.videobox.maxintens = int(np.max(self.videobox.activeframe)) self.videobox.setGeometry(QtCore.QRect(70, 80, 200, 200)) self.lyt = QVBoxLayout() self.lyt.addWidget(self.videobox, 5) self.setLayout(self.lyt) self.sl = QSlider(Qt.Horizontal) self.sl.setMinimum(0.0) self.sl.setMaximum(self.video.imagej_metadata['frames'] - 1) self.sl.setTickPosition(QSlider.TicksAbove) self.sl.setTracking(True) self.sl.setTickInterval(100) self.sl.valueChanged.connect(self.whenslidechanges) self.frame_counter = QDoubleSpinBox() self.frame = self.videobox.activeframe self.frame_counter.setSingleStep(1) self.frame_counter.setRange(self.sl.minimum(), self.sl.maximum() - 1) self.frame_counter.valueChanged.connect(self.sl.setValue) self.frame_counter.valueChanged.connect(self.video_time_update) self.video_time = QDoubleSpinBox() self.video_time.setSingleStep(30) self.video_time.setRange(self.sl.minimum(), 30 * self.sl.maximum() - 1) self.frameratetimer = QTimer() self.frameratetimer.setInterval(50) self.frameratetimer.timeout.connect(self.update_display) self.play_button = QPushButton('Play Video') self.play_button.clicked.connect(self.frameratetimer.start) self.stop_button = QPushButton('Stop Video') self.stop_button.clicked.connect(self.frameratetimer.stop) self.sl.valueChanged.connect(self.whenslidechanges) self.lyt.addWidget(self.play_button, 0) self.lyt.addWidget(self.stop_button, 1) self.lyt.addWidget(self.sl, 2) self.lyt.addWidget(self.frame_counter, 3) self.lyt.addWidget(self.video_time, 4) self.show() def update_display(self): self.frame = self.video.asarray(key=TrapViewer.i) self.videobox.activeframe = self.frame self.videobox.update() self.frame_counter.setValue(float(TrapViewer.i)) if TrapViewer.i < self.video.imagej_metadata['frames']: TrapViewer.i += 1 def whenslidechanges(self): if self.frameratetimer.isActive(): self.frameratetimer.stop() TrapViewer.i = self.sl.value() self.update_display() TrapViewer.i -= 1 self.frameratetimer.start() else: TrapViewer.i = self.sl.value() self.update_display() TrapViewer.i -= 1 def video_time_update(self): self.video_time.setValue(30 * self.frame_counter.value())
class TimeChartDisplay(Display): def __init__(self, parent=None, args=[], macros=None, show_pv_add_panel=True, config_file=None): """ Create all the widgets, including any child dialogs. Parameters ---------- parent : QWidget The parent widget of the charting display args : list The command parameters macros : str Macros to modify the UI parameters at runtime show_pv_add_panel : bool Whether or not to show the PV add panel on top of the graph """ super(TimeChartDisplay, self).__init__(parent=parent, args=args, macros=macros) self.legend_font = None self.channel_map = dict() self.setWindowTitle("TimeChart Tool") self.main_layout = QVBoxLayout() self.body_layout = QVBoxLayout() self.pv_add_panel = QFrame() self.pv_add_panel.setVisible(show_pv_add_panel) self.pv_add_panel.setMaximumHeight(50) self.pv_layout = QHBoxLayout() self.pv_name_line_edt = QLineEdit() self.pv_name_line_edt.setAcceptDrops(True) self.pv_name_line_edt.returnPressed.connect(self.add_curve) self.pv_protocol_cmb = QComboBox() self.pv_protocol_cmb.addItems(["ca://", "archive://"]) self.pv_protocol_cmb.setEnabled(False) self.pv_connect_push_btn = QPushButton("Connect") self.pv_connect_push_btn.clicked.connect(self.add_curve) self.tab_panel = QTabWidget() self.tab_panel.setMinimumWidth(350) self.tab_panel.setMaximumWidth(350) self.curve_settings_tab = QWidget() self.data_settings_tab = QWidget() self.chart_settings_tab = QWidget() self.charting_layout = QHBoxLayout() self.chart = PyDMTimePlot(plot_by_timestamps=False) self.chart.setDownsampling(ds=False, auto=False, mode=None) self.chart.plot_redrawn_signal.connect(self.update_curve_data) self.chart.setBufferSize(DEFAULT_BUFFER_SIZE) self.chart.setPlotTitle(DEFAULT_CHART_TITLE) self.splitter = QSplitter() self.curve_settings_layout = QVBoxLayout() self.curve_settings_layout.setAlignment(Qt.AlignTop) self.curve_settings_layout.setSizeConstraint(QLayout.SetMinAndMaxSize) self.curve_settings_layout.setSpacing(5) self.crosshair_settings_layout = QVBoxLayout() self.crosshair_settings_layout.setAlignment(Qt.AlignTop) self.crosshair_settings_layout.setSpacing(5) self.enable_crosshair_chk = QCheckBox("Crosshair") self.crosshair_coord_lbl = QLabel() self.crosshair_coord_lbl.setWordWrap(True) self.curve_settings_inner_frame = QFrame() self.curve_settings_inner_frame.setLayout(self.curve_settings_layout) self.curve_settings_scroll = QScrollArea() self.curve_settings_scroll.setVerticalScrollBarPolicy( Qt.ScrollBarAsNeeded) self.curve_settings_scroll.setHorizontalScrollBarPolicy( Qt.ScrollBarAlwaysOff) self.curve_settings_scroll.setWidget(self.curve_settings_inner_frame) self.curve_settings_scroll.setWidgetResizable(True) self.enable_crosshair_chk.setChecked(False) self.enable_crosshair_chk.clicked.connect( self.handle_enable_crosshair_checkbox_clicked) self.enable_crosshair_chk.clicked.emit(False) self.curves_tab_layout = QHBoxLayout() self.curves_tab_layout.addWidget(self.curve_settings_scroll) self.data_tab_layout = QVBoxLayout() self.data_tab_layout.setAlignment(Qt.AlignTop) self.data_tab_layout.setSpacing(5) self.chart_settings_layout = QVBoxLayout() self.chart_settings_layout.setAlignment(Qt.AlignTop) self.chart_settings_layout.setSpacing(5) self.chart_layout = QVBoxLayout() self.chart_layout.setSpacing(10) self.chart_panel = QWidget() self.chart_panel.setMinimumHeight(400) self.chart_control_layout = QHBoxLayout() self.chart_control_layout.setAlignment(Qt.AlignHCenter) self.chart_control_layout.setSpacing(10) self.zoom_x_layout = QVBoxLayout() self.zoom_x_layout.setAlignment(Qt.AlignTop) self.zoom_x_layout.setSpacing(5) self.plus_icon = IconFont().icon("plus", color=QColor("green")) self.minus_icon = IconFont().icon("minus", color=QColor("red")) self.view_all_icon = IconFont().icon("globe", color=QColor("blue")) self.reset_icon = IconFont().icon("circle-o-notch", color=QColor("green")) self.zoom_in_x_btn = QPushButton("X Zoom") self.zoom_in_x_btn.setIcon(self.plus_icon) self.zoom_in_x_btn.clicked.connect( partial(self.handle_zoom_in_btn_clicked, "x", True)) self.zoom_in_x_btn.setEnabled(False) self.zoom_out_x_btn = QPushButton("X Zoom") self.zoom_out_x_btn.setIcon(self.minus_icon) self.zoom_out_x_btn.clicked.connect( partial(self.handle_zoom_in_btn_clicked, "x", False)) self.zoom_out_x_btn.setEnabled(False) self.zoom_y_layout = QVBoxLayout() self.zoom_y_layout.setAlignment(Qt.AlignTop) self.zoom_y_layout.setSpacing(5) self.zoom_in_y_btn = QPushButton("Y Zoom") self.zoom_in_y_btn.setIcon(self.plus_icon) self.zoom_in_y_btn.clicked.connect( partial(self.handle_zoom_in_btn_clicked, "y", True)) self.zoom_in_y_btn.setEnabled(False) self.zoom_out_y_btn = QPushButton("Y Zoom") self.zoom_out_y_btn.setIcon(self.minus_icon) self.zoom_out_y_btn.clicked.connect( partial(self.handle_zoom_in_btn_clicked, "y", False)) self.zoom_out_y_btn.setEnabled(False) self.view_all_btn = QPushButton("View All") self.view_all_btn.setIcon(self.view_all_icon) self.view_all_btn.clicked.connect(self.handle_view_all_button_clicked) self.view_all_btn.setEnabled(False) self.view_all_reset_chart_layout = QVBoxLayout() self.view_all_reset_chart_layout.setAlignment(Qt.AlignTop) self.view_all_reset_chart_layout.setSpacing(5) self.pause_chart_layout = QVBoxLayout() self.pause_chart_layout.setAlignment(Qt.AlignTop) self.pause_chart_layout.setSpacing(5) self.reset_chart_btn = QPushButton("Reset") self.reset_chart_btn.setIcon(self.reset_icon) self.reset_chart_btn.clicked.connect( self.handle_reset_chart_btn_clicked) self.reset_chart_btn.setEnabled(False) self.pause_icon = IconFont().icon("pause", color=QColor("red")) self.play_icon = IconFont().icon("play", color=QColor("green")) self.pause_chart_btn = QPushButton() self.pause_chart_btn.setIcon(self.pause_icon) self.pause_chart_btn.clicked.connect( self.handle_pause_chart_btn_clicked) self.title_settings_layout = QVBoxLayout() self.title_settings_layout.setAlignment(Qt.AlignTop) self.title_settings_layout.setSpacing(5) self.title_settings_grpbx = QGroupBox("Title and Legend") self.title_settings_grpbx.setMaximumHeight(120) self.import_export_data_layout = QVBoxLayout() self.import_export_data_layout.setAlignment(Qt.AlignTop) self.import_export_data_layout.setSpacing(5) self.import_data_btn = QPushButton("Import...") self.import_data_btn.clicked.connect( self.handle_import_data_btn_clicked) self.export_data_btn = QPushButton("Export...") self.export_data_btn.clicked.connect( self.handle_export_data_btn_clicked) self.chart_title_layout = QHBoxLayout() self.chart_title_layout.setSpacing(10) self.chart_title_lbl = QLabel(text="Graph Title") self.chart_title_line_edt = QLineEdit() self.chart_title_line_edt.setText(self.chart.getPlotTitle()) self.chart_title_line_edt.textChanged.connect( self.handle_title_text_changed) self.chart_title_font_btn = QPushButton() self.chart_title_font_btn.setFixedHeight(24) self.chart_title_font_btn.setFixedWidth(24) self.chart_title_font_btn.setIcon(IconFont().icon("font")) self.chart_title_font_btn.clicked.connect( partial(self.handle_chart_font_changed, "title")) self.chart_change_axis_settings_btn = QPushButton( text="Change Axis Settings...") self.chart_change_axis_settings_btn.clicked.connect( self.handle_change_axis_settings_clicked) self.update_datetime_timer = QTimer(self) self.update_datetime_timer.timeout.connect( self.handle_update_datetime_timer_timeout) self.chart_sync_mode_layout = QVBoxLayout() self.chart_sync_mode_layout.setSpacing(5) self.chart_sync_mode_grpbx = QGroupBox("Data Sampling Mode") self.chart_sync_mode_grpbx.setMaximumHeight(100) self.chart_sync_mode_sync_radio = QRadioButton("Synchronous") self.chart_sync_mode_async_radio = QRadioButton("Asynchronous") self.chart_sync_mode_async_radio.setChecked(True) self.graph_drawing_settings_layout = QVBoxLayout() self.graph_drawing_settings_layout.setAlignment(Qt.AlignVCenter) self.chart_interval_layout = QFormLayout() self.chart_redraw_rate_lbl = QLabel("Redraw Rate (Hz)") self.chart_redraw_rate_spin = QSpinBox() self.chart_redraw_rate_spin.setRange(MIN_REDRAW_RATE_HZ, MAX_REDRAW_RATE_HZ) self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ) self.chart_redraw_rate_spin.editingFinished.connect( self.handle_redraw_rate_changed) self.chart_data_sampling_rate_lbl = QLabel("Data Sampling Rate (Hz)") self.chart_data_async_sampling_rate_spin = QSpinBox() self.chart_data_async_sampling_rate_spin.setRange( MIN_DATA_SAMPLING_RATE_HZ, MAX_DATA_SAMPLING_RATE_HZ) self.chart_data_async_sampling_rate_spin.setValue( DEFAULT_DATA_SAMPLING_RATE_HZ) self.chart_data_async_sampling_rate_spin.editingFinished.connect( self.handle_data_sampling_rate_changed) self.chart_data_sampling_rate_lbl.hide() self.chart_data_async_sampling_rate_spin.hide() self.chart_limit_time_span_layout = QHBoxLayout() self.chart_limit_time_span_layout.setSpacing(5) self.limit_time_plan_text = "Limit Time Span" self.chart_limit_time_span_chk = QCheckBox(self.limit_time_plan_text) self.chart_limit_time_span_chk.hide() self.chart_limit_time_span_lbl = QLabel("Hr:Min:Sec") self.chart_limit_time_span_hours_spin_box = QSpinBox() self.chart_limit_time_span_hours_spin_box.setMaximum(999) self.chart_limit_time_span_minutes_spin_box = QSpinBox() self.chart_limit_time_span_minutes_spin_box.setMaximum(59) self.chart_limit_time_span_seconds_spin_box = QSpinBox() self.chart_limit_time_span_seconds_spin_box.setMaximum(59) self.chart_limit_time_span_activate_btn = QPushButton("Apply") self.chart_limit_time_span_activate_btn.setDisabled(True) self.chart_ring_buffer_layout = QFormLayout() self.chart_ring_buffer_size_lbl = QLabel("Ring Buffer Size") self.chart_ring_buffer_size_edt = QLineEdit() self.chart_ring_buffer_size_edt.returnPressed.connect( self.handle_buffer_size_changed) self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE)) self.show_legend_chk = QCheckBox("Show Legend") self.show_legend_chk.clicked.connect( self.handle_show_legend_checkbox_clicked) self.show_legend_chk.setChecked(self.chart.showLegend) self.legend_font_btn = QPushButton() self.legend_font_btn.setFixedHeight(24) self.legend_font_btn.setFixedWidth(24) self.legend_font_btn.setIcon(IconFont().icon("font")) self.legend_font_btn.clicked.connect( partial(self.handle_chart_font_changed, "legend")) self.graph_background_color_layout = QFormLayout() self.axis_grid_color_layout = QFormLayout() self.background_color_lbl = QLabel("Graph Background Color ") self.background_color_btn = QPushButton() self.background_color_btn.setStyleSheet( "background-color: " + self.chart.getBackgroundColor().name()) self.background_color_btn.setContentsMargins(10, 0, 5, 5) self.background_color_btn.setMaximumWidth(20) self.background_color_btn.clicked.connect( self.handle_background_color_button_clicked) self.axis_settings_layout = QVBoxLayout() self.axis_settings_layout.setSpacing(10) self.show_x_grid_chk = QCheckBox("Show x Grid") self.show_x_grid_chk.setChecked(self.chart.showXGrid) self.show_x_grid_chk.clicked.connect( self.handle_show_x_grid_checkbox_clicked) self.show_y_grid_chk = QCheckBox("Show y Grid") self.show_y_grid_chk.setChecked(self.chart.showYGrid) self.show_y_grid_chk.clicked.connect( self.handle_show_y_grid_checkbox_clicked) self.axis_color_lbl = QLabel("Axis and Grid Color") self.axis_color_btn = QPushButton() self.axis_color_btn.setStyleSheet("background-color: " + DEFAULT_CHART_AXIS_COLOR.name()) self.axis_color_btn.setContentsMargins(10, 0, 5, 5) self.axis_color_btn.setMaximumWidth(20) self.axis_color_btn.clicked.connect( self.handle_axis_color_button_clicked) self.grid_opacity_lbl = QLabel("Grid Opacity") self.grid_opacity_lbl.setEnabled(False) self.grid_opacity_slr = QSlider(Qt.Horizontal) self.grid_opacity_slr.setFocusPolicy(Qt.StrongFocus) self.grid_opacity_slr.setRange(0, 10) self.grid_opacity_slr.setValue(5) self.grid_opacity_slr.setTickInterval(1) self.grid_opacity_slr.setSingleStep(1) self.grid_opacity_slr.setTickPosition(QSlider.TicksBelow) self.grid_opacity_slr.valueChanged.connect( self.handle_grid_opacity_slider_mouse_release) self.grid_opacity_slr.setEnabled(False) self.reset_data_settings_btn = QPushButton("Reset Data Settings") self.reset_data_settings_btn.clicked.connect( self.handle_reset_data_settings_btn_clicked) self.reset_chart_settings_btn = QPushButton("Reset Chart Settings") self.reset_chart_settings_btn.clicked.connect( self.handle_reset_chart_settings_btn_clicked) self.curve_checkbox_panel = QWidget() self.graph_drawing_settings_grpbx = QGroupBox("Graph Intervals") self.graph_drawing_settings_grpbx.setAlignment(Qt.AlignTop) self.axis_settings_grpbx = QGroupBox("Graph Appearance") self.app = QApplication.instance() self.setup_ui() self.curve_settings_disp = None self.axis_settings_disp = None self.chart_data_export_disp = None self.chart_data_import_disp = None self.grid_alpha = 5 self.time_span_limit_hours = None self.time_span_limit_minutes = None self.time_span_limit_seconds = None self.data_sampling_mode = ASYNC_DATA_SAMPLING # If there is an imported config file, let's start TimeChart with the imported configuration data if config_file: importer = SettingsImporter(self) try: importer.import_settings(config_file) except SettingsImporterException: display_message_box( QMessageBox.Critical, "Import Failure", "Cannot import the file '{0}'. Check the log for the error details." .format(config_file)) logger.exception( "Cannot import the file '{0}'.".format(config_file)) def ui_filepath(self): """ The path to the UI file created by Qt Designer, if applicable. """ # No UI file is being used return None def ui_filename(self): """ The name the UI file created by Qt Designer, if applicable. """ # No UI file is being used return None def setup_ui(self): """ Initialize the widgets and layouts. """ self.setLayout(self.main_layout) self.pv_layout.addWidget(self.pv_protocol_cmb) self.pv_layout.addWidget(self.pv_name_line_edt) self.pv_layout.addWidget(self.pv_connect_push_btn) self.pv_add_panel.setLayout(self.pv_layout) QTimer.singleShot(0, self.pv_name_line_edt.setFocus) self.curve_settings_tab.setLayout(self.curves_tab_layout) self.chart_settings_tab.setLayout(self.chart_settings_layout) self.setup_chart_settings_layout() self.data_settings_tab.setLayout(self.data_tab_layout) self.setup_data_tab_layout() self.tab_panel.addTab(self.curve_settings_tab, "Curves") self.tab_panel.addTab(self.data_settings_tab, "Data") self.tab_panel.addTab(self.chart_settings_tab, "Graph") self.crosshair_settings_layout.addWidget(self.enable_crosshair_chk) self.crosshair_settings_layout.addWidget(self.crosshair_coord_lbl) self.zoom_x_layout.addWidget(self.zoom_in_x_btn) self.zoom_x_layout.addWidget(self.zoom_out_x_btn) self.zoom_y_layout.addWidget(self.zoom_in_y_btn) self.zoom_y_layout.addWidget(self.zoom_out_y_btn) self.view_all_reset_chart_layout.addWidget(self.reset_chart_btn) self.view_all_reset_chart_layout.addWidget(self.view_all_btn) self.pause_chart_layout.addWidget(self.pause_chart_btn) self.import_export_data_layout.addWidget(self.import_data_btn) self.import_export_data_layout.addWidget(self.export_data_btn) self.chart_control_layout.addLayout(self.zoom_x_layout) self.chart_control_layout.addLayout(self.zoom_y_layout) self.chart_control_layout.addLayout(self.view_all_reset_chart_layout) self.chart_control_layout.addLayout(self.pause_chart_layout) self.chart_control_layout.addLayout(self.crosshair_settings_layout) self.chart_control_layout.addLayout(self.import_export_data_layout) self.chart_control_layout.insertSpacing(5, 30) self.chart_layout.addWidget(self.chart) self.chart_layout.addLayout(self.chart_control_layout) self.chart_panel.setLayout(self.chart_layout) self.splitter.addWidget(self.chart_panel) self.splitter.addWidget(self.tab_panel) self.splitter.setSizes([1, 0]) self.splitter.setHandleWidth(10) self.splitter.setStretchFactor(0, 0) self.splitter.setStretchFactor(1, 1) self.charting_layout.addWidget(self.splitter) self.body_layout.addWidget(self.pv_add_panel) self.body_layout.addLayout(self.charting_layout) self.body_layout.setSpacing(0) self.body_layout.setContentsMargins(0, 0, 0, 0) self.main_layout.addLayout(self.body_layout) self.enable_chart_control_buttons(False) handle = self.splitter.handle(1) layout = QVBoxLayout() layout.setContentsMargins(0, 0, 0, 0) button = QToolButton(handle) button.setArrowType(Qt.LeftArrow) button.clicked.connect(lambda: self.handle_splitter_button(True)) layout.addWidget(button) button = QToolButton(handle) button.setArrowType(Qt.RightArrow) button.clicked.connect(lambda: self.handle_splitter_button(False)) layout.addWidget(button) handle.setLayout(layout) def handle_splitter_button(self, left=True): if left: self.splitter.setSizes([1, 1]) else: self.splitter.setSizes([1, 0]) def change_legend_font(self, font): if font is None: return self.legend_font = font items = self.chart.plotItem.legend.items for i in items: i[1].item.setFont(font) i[1].resizeEvent(None) i[1].updateGeometry() def change_title_font(self, font): current_text = self.chart.plotItem.titleLabel.text args = { "family": font.family, "size": "{}pt".format(font.pointSize()), "bold": font.bold(), "italic": font.italic(), } self.chart.plotItem.titleLabel.setText(current_text, **args) def handle_chart_font_changed(self, target): if target not in ("title", "legend"): return dialog = QFontDialog(self) dialog.setOption(QFontDialog.DontUseNativeDialog, True) if target == "title": dialog.fontSelected.connect(self.change_title_font) else: dialog.fontSelected.connect(self.change_legend_font) dialog.open() def setup_data_tab_layout(self): self.chart_sync_mode_sync_radio.toggled.connect( partial(self.handle_sync_mode_radio_toggle, self.chart_sync_mode_sync_radio)) self.chart_sync_mode_async_radio.toggled.connect( partial(self.handle_sync_mode_radio_toggle, self.chart_sync_mode_async_radio)) self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_sync_radio) self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_async_radio) self.chart_sync_mode_grpbx.setLayout(self.chart_sync_mode_layout) self.data_tab_layout.addWidget(self.chart_sync_mode_grpbx) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_lbl) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_hours_spin_box) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_minutes_spin_box) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_seconds_spin_box) self.chart_limit_time_span_layout.addWidget( self.chart_limit_time_span_activate_btn) self.chart_limit_time_span_lbl.hide() self.chart_limit_time_span_hours_spin_box.hide() self.chart_limit_time_span_minutes_spin_box.hide() self.chart_limit_time_span_seconds_spin_box.hide() self.chart_limit_time_span_activate_btn.hide() self.chart_limit_time_span_hours_spin_box.valueChanged.connect( self.handle_time_span_changed) self.chart_limit_time_span_minutes_spin_box.valueChanged.connect( self.handle_time_span_changed) self.chart_limit_time_span_seconds_spin_box.valueChanged.connect( self.handle_time_span_changed) self.chart_limit_time_span_chk.clicked.connect( self.handle_limit_time_span_checkbox_clicked) self.chart_limit_time_span_activate_btn.clicked.connect( self.handle_chart_limit_time_span_activate_btn_clicked) self.chart_interval_layout.addRow(self.chart_redraw_rate_lbl, self.chart_redraw_rate_spin) self.chart_interval_layout.addRow( self.chart_data_sampling_rate_lbl, self.chart_data_async_sampling_rate_spin) self.graph_drawing_settings_layout.addLayout( self.chart_interval_layout) self.graph_drawing_settings_layout.addWidget( self.chart_limit_time_span_chk) self.graph_drawing_settings_layout.addLayout( self.chart_limit_time_span_layout) self.chart_ring_buffer_layout.addRow(self.chart_ring_buffer_size_lbl, self.chart_ring_buffer_size_edt) self.graph_drawing_settings_layout.addLayout( self.chart_ring_buffer_layout) self.graph_drawing_settings_grpbx.setLayout( self.graph_drawing_settings_layout) self.data_tab_layout.addWidget(self.graph_drawing_settings_grpbx) self.chart_sync_mode_async_radio.toggled.emit(True) self.data_tab_layout.addWidget(self.reset_data_settings_btn) def setup_chart_settings_layout(self): self.chart_title_layout.addWidget(self.chart_title_lbl) self.chart_title_layout.addWidget(self.chart_title_line_edt) self.chart_title_layout.addWidget(self.chart_title_font_btn) self.title_settings_layout.addLayout(self.chart_title_layout) legend_layout = QHBoxLayout() legend_layout.addWidget(self.show_legend_chk) legend_layout.addWidget(self.legend_font_btn) self.title_settings_layout.addLayout(legend_layout) self.title_settings_layout.addWidget( self.chart_change_axis_settings_btn) self.title_settings_grpbx.setLayout(self.title_settings_layout) self.chart_settings_layout.addWidget(self.title_settings_grpbx) self.graph_background_color_layout.addRow(self.background_color_lbl, self.background_color_btn) self.axis_settings_layout.addLayout(self.graph_background_color_layout) self.axis_grid_color_layout.addRow(self.axis_color_lbl, self.axis_color_btn) self.axis_settings_layout.addLayout(self.axis_grid_color_layout) self.axis_settings_layout.addWidget(self.show_x_grid_chk) self.axis_settings_layout.addWidget(self.show_y_grid_chk) self.axis_settings_layout.addWidget(self.grid_opacity_lbl) self.axis_settings_layout.addWidget(self.grid_opacity_slr) self.axis_settings_grpbx.setLayout(self.axis_settings_layout) self.chart_settings_layout.addWidget(self.axis_settings_grpbx) self.chart_settings_layout.addWidget(self.reset_chart_settings_btn) self.update_datetime_timer.start(1000) def add_curve(self): """ Add a new curve to the chart. """ pv_name = self._get_full_pv_name(self.pv_name_line_edt.text()) if pv_name and len(pv_name): color = random_color(curve_colors_only=True) for k, v in self.channel_map.items(): if color == v.color: color = random_color(curve_colors_only=True) self.add_y_channel(pv_name=pv_name, curve_name=pv_name, color=color) self.handle_splitter_button(left=True) def show_mouse_coordinates(self, x, y): self.crosshair_coord_lbl.clear() self.crosshair_coord_lbl.setText("x = {0:.3f}\ny = {1:.3f}".format( x, y)) def handle_enable_crosshair_checkbox_clicked(self, is_checked): self.chart.enableCrosshair(is_checked) self.crosshair_coord_lbl.setVisible(is_checked) self.chart.crosshair_position_updated.connect( self.show_mouse_coordinates) def add_y_channel(self, pv_name, curve_name, color, line_style=Qt.SolidLine, line_width=2, symbol=None, symbol_size=None, is_visible=True): if pv_name in self.channel_map: logger.error("'{0}' has already been added.".format(pv_name)) return curve = self.chart.addYChannel(y_channel=pv_name, name=curve_name, color=color, lineStyle=line_style, lineWidth=line_width, symbol=symbol, symbolSize=symbol_size) curve.show() if is_visible else curve.hide() if self.show_legend_chk.isChecked(): self.change_legend_font(self.legend_font) self.channel_map[pv_name] = curve self.generate_pv_controls(pv_name, color) self.enable_chart_control_buttons() try: self.app.add_connection(curve.channel) except AttributeError: # these methods are not needed on future versions of pydm pass def generate_pv_controls(self, pv_name, curve_color): """ Generate a set of widgets to manage the appearance of a curve. The set of widgets includes: 1. A checkbox which shows the curve on the chart if checked, and hide the curve if not checked 2. Three buttons -- Modify..., Focus, and Remove. Modify... will bring up the Curve Settings dialog. Focus adjusts the chart's zooming for the current curve. Remove will delete the curve from the chart Parameters ---------- pv_name: str The name of the PV the current curve is being plotted for curve_color : QColor The color of the curve to paint for the checkbox label to help the user track the curve to the checkbox """ individual_curve_layout = QVBoxLayout() size_policy = QSizePolicy() size_policy.setVerticalPolicy(QSizePolicy.Fixed) size_policy.setHorizontalPolicy(QSizePolicy.Fixed) individual_curve_grpbx = QGroupBox() individual_curve_grpbx.setMinimumWidth(300) individual_curve_grpbx.setMinimumHeight(120) individual_curve_grpbx.setAlignment(Qt.AlignTop) individual_curve_grpbx.setSizePolicy(size_policy) individual_curve_grpbx.setObjectName(pv_name + "_grb") individual_curve_grpbx.setLayout(individual_curve_layout) checkbox = QCheckBox(parent=individual_curve_grpbx) checkbox.setObjectName(pv_name + "_chb") palette = checkbox.palette() palette.setColor(QPalette.Active, QPalette.WindowText, curve_color) checkbox.setPalette(palette) display_name = pv_name.split("://")[1] if len(display_name) > MAX_DISPLAY_PV_NAME_LENGTH: # Only display max allowed number of characters of the PV Name display_name = display_name[ :int(MAX_DISPLAY_PV_NAME_LENGTH / 2) - 1] + "..." + \ display_name[ -int(MAX_DISPLAY_PV_NAME_LENGTH / 2) + 2:] checkbox.setText(display_name) data_text = QLabel(parent=individual_curve_grpbx) data_text.setWordWrap(True) data_text.setObjectName(pv_name + "_lbl") data_text.setPalette(palette) checkbox.setChecked(True) checkbox.toggled.connect( partial(self.handle_curve_chkbox_toggled, checkbox)) if not self.chart.findCurve(pv_name).isVisible(): checkbox.setChecked(False) modify_curve_btn = QPushButton("Modify...", parent=individual_curve_grpbx) modify_curve_btn.setObjectName(pv_name + "_btn_modify") modify_curve_btn.setMaximumWidth(80) modify_curve_btn.clicked.connect( partial(self.display_curve_settings_dialog, pv_name)) focus_curve_btn = QPushButton("Focus", parent=individual_curve_grpbx) focus_curve_btn.setObjectName(pv_name + "_btn_focus") focus_curve_btn.setMaximumWidth(80) focus_curve_btn.clicked.connect(partial(self.focus_curve, pv_name)) clear_curve_btn = QPushButton("Clear", parent=individual_curve_grpbx) clear_curve_btn.setObjectName(pv_name + "_btn_clear") clear_curve_btn.setMaximumWidth(80) clear_curve_btn.clicked.connect(partial(self.clear_curve, pv_name)) # annotate_curve_btn = QPushButton("Annotate...", # parent=individual_curve_grpbx) # annotate_curve_btn.setObjectName(pv_name+"_btn_ann") # annotate_curve_btn.setMaximumWidth(80) # annotate_curve_btn.clicked.connect( # partial(self.annotate_curve, pv_name)) remove_curve_btn = QPushButton("Remove", parent=individual_curve_grpbx) remove_curve_btn.setObjectName(pv_name + "_btn_remove") remove_curve_btn.setMaximumWidth(80) remove_curve_btn.clicked.connect(partial(self.remove_curve, pv_name)) curve_btn_layout = QHBoxLayout() curve_btn_layout.setSpacing(5) curve_btn_layout.addWidget(modify_curve_btn) curve_btn_layout.addWidget(focus_curve_btn) curve_btn_layout.addWidget(clear_curve_btn) # curve_btn_layout.addWidget(annotate_curve_btn) curve_btn_layout.addWidget(remove_curve_btn) individual_curve_layout.addWidget(checkbox) individual_curve_layout.addWidget(data_text) individual_curve_layout.addLayout(curve_btn_layout) self.curve_settings_layout.addWidget(individual_curve_grpbx) self.tab_panel.setCurrentIndex(0) def handle_curve_chkbox_toggled(self, checkbox): """ Handle a checkbox's checked and unchecked events. If a checkbox is checked, find the curve from the channel map. If found, re-draw the curve with its previous appearance settings. If a checkbox is unchecked, remove the curve from the chart, but keep the cached data in the channel map. Parameters ---------- checkbox : QCheckBox The current checkbox being toggled """ pv_name = self._get_full_pv_name(checkbox.text()) if checkbox.isChecked(): curve = self.channel_map.get(pv_name, None) if curve: curve.show() self.chart.addLegendItem(curve, pv_name, self.show_legend_chk.isChecked()) self.change_legend_font(self.legend_font) else: curve = self.chart.findCurve(pv_name) if curve: curve.hide() self.chart.removeLegendItem(pv_name) def display_curve_settings_dialog(self, pv_name): """ Bring up the Curve Settings dialog to modify the appearance of a curve. Parameters ---------- pv_name : str The name of the PV the curve is being plotted for """ self.curve_settings_disp = CurveSettingsDisplay(self, pv_name) self.curve_settings_disp.show() def focus_curve(self, pv_name): curve = self.chart.findCurve(pv_name) if curve: self.chart.plotItem.setYRange(curve.minY, curve.maxY, padding=0) def clear_curve(self, pv_name): curve = self.chart.findCurve(pv_name) if curve: curve.initialize_buffer() def annotate_curve(self, pv_name): curve = self.chart.findCurve(pv_name) if curve: annot = TextItem( html= '<div style="text-align: center"><span style="color: #FFF;">This is the' '</span><br><span style="color: #FF0; font-size: 16pt;">PEAK</span></div>', anchor=(-0.3, 0.5), border='w', fill=(0, 0, 255, 100)) self.chart.annotateCurve(curve, annot) def remove_curve(self, pv_name): """ Remove a curve from the chart permanently. This will also clear the channel map cache from retaining the removed curve's appearance settings. Parameters ---------- pv_name : str The name of the PV the curve is being plotted for """ curve = self.chart.findCurve(pv_name) if curve: try: self.app.remove_connection(curve.channel) except AttributeError: # these methods are not needed on future versions of pydm pass self.chart.removeYChannel(curve) del self.channel_map[pv_name] self.chart.removeLegendItem(pv_name) widget = self.findChild(QGroupBox, pv_name + "_grb") if widget: widget.deleteLater() if len(self.chart.getCurves()) < 1: self.enable_chart_control_buttons(False) self.show_legend_chk.setChecked(False) def handle_title_text_changed(self, new_text): self.chart.setPlotTitle(new_text) def handle_change_axis_settings_clicked(self): self.axis_settings_disp = AxisSettingsDisplay(self) self.axis_settings_disp.show() def handle_limit_time_span_checkbox_clicked(self, is_checked): self.chart_limit_time_span_lbl.setVisible(is_checked) self.chart_limit_time_span_hours_spin_box.setVisible(is_checked) self.chart_limit_time_span_minutes_spin_box.setVisible(is_checked) self.chart_limit_time_span_seconds_spin_box.setVisible(is_checked) self.chart_limit_time_span_activate_btn.setVisible(is_checked) self.chart_ring_buffer_size_lbl.setDisabled(is_checked) self.chart_ring_buffer_size_edt.setDisabled(is_checked) if not is_checked: self.chart_limit_time_span_chk.setText(self.limit_time_plan_text) def handle_time_span_changed(self): self.time_span_limit_hours = self.chart_limit_time_span_hours_spin_box.value( ) self.time_span_limit_minutes = self.chart_limit_time_span_minutes_spin_box.value( ) self.time_span_limit_seconds = self.chart_limit_time_span_seconds_spin_box.value( ) status = self.time_span_limit_hours > 0 or self.time_span_limit_minutes > 0 or self.time_span_limit_seconds > 0 self.chart_limit_time_span_activate_btn.setEnabled(status) def handle_chart_limit_time_span_activate_btn_clicked(self): timeout_milliseconds = (self.time_span_limit_hours * 3600 + self.time_span_limit_minutes * 60 + self.time_span_limit_seconds) * 1000 self.chart.setTimeSpan(timeout_milliseconds / 1000.0) self.chart_ring_buffer_size_edt.setText(str( self.chart.getBufferSize())) def handle_buffer_size_changed(self): try: new_buffer_size = int(self.chart_ring_buffer_size_edt.text()) if new_buffer_size and int(new_buffer_size) >= MINIMUM_BUFFER_SIZE: self.chart.setBufferSize(new_buffer_size) except ValueError: display_message_box(QMessageBox.Critical, "Invalid Values", "Only integer values are accepted.") def handle_redraw_rate_changed(self): self.chart.maxRedrawRate = self.chart_redraw_rate_spin.value() def handle_data_sampling_rate_changed(self): # The chart expects the value in milliseconds sampling_rate_seconds = 1.0 / self.chart_data_async_sampling_rate_spin.value( ) buffer_size = self.chart.getBufferSize() self.chart.setUpdateInterval(sampling_rate_seconds) if self.chart.getBufferSize() < buffer_size: self.chart.setBufferSize(buffer_size) self.chart_ring_buffer_size_edt.setText(str( self.chart.getBufferSize())) def handle_background_color_button_clicked(self): selected_color = QColorDialog.getColor() self.chart.setBackgroundColor(selected_color) self.background_color_btn.setStyleSheet("background-color: " + selected_color.name()) def handle_axis_color_button_clicked(self): selected_color = QColorDialog.getColor() self.chart.setAxisColor(selected_color) self.axis_color_btn.setStyleSheet("background-color: " + selected_color.name()) def handle_grid_opacity_slider_mouse_release(self): self.grid_alpha = float(self.grid_opacity_slr.value()) / 10.0 self.chart.setShowXGrid(self.show_x_grid_chk.isChecked(), self.grid_alpha) self.chart.setShowYGrid(self.show_y_grid_chk.isChecked(), self.grid_alpha) def handle_show_x_grid_checkbox_clicked(self, is_checked): self.chart.setShowXGrid(is_checked, self.grid_alpha) self.grid_opacity_lbl.setEnabled(is_checked or self.show_y_grid_chk.isChecked()) self.grid_opacity_slr.setEnabled(is_checked or self.show_y_grid_chk.isChecked()) def handle_show_y_grid_checkbox_clicked(self, is_checked): self.chart.setShowYGrid(is_checked, self.grid_alpha) self.grid_opacity_lbl.setEnabled(is_checked or self.show_x_grid_chk.isChecked()) self.grid_opacity_slr.setEnabled(is_checked or self.show_x_grid_chk.isChecked()) def handle_show_legend_checkbox_clicked(self, is_checked): self.chart.setShowLegend(is_checked) def handle_export_data_btn_clicked(self): self.chart_data_export_disp = ChartDataExportDisplay(self) self.chart_data_export_disp.show() def handle_import_data_btn_clicked(self): open_file_info = QFileDialog.getOpenFileName( self, caption="Open File", directory=os.path.expanduser('~'), filter=IMPORT_FILE_FORMAT) open_filename = open_file_info[0] if open_filename: try: importer = SettingsImporter(self) importer.import_settings(open_filename) except SettingsImporterException: display_message_box( QMessageBox.Critical, "Import Failure", "Cannot import the file '{0}'. Check the log for the error details." .format(open_filename)) logger.exception( "Cannot import the file '{0}'".format(open_filename)) def handle_sync_mode_radio_toggle(self, radio_btn): if radio_btn.isChecked(): if radio_btn.text() == "Synchronous": self.data_sampling_mode = SYNC_DATA_SAMPLING self.chart_data_sampling_rate_lbl.hide() self.chart_data_async_sampling_rate_spin.hide() self.chart.resetTimeSpan() self.chart_limit_time_span_chk.setChecked(False) self.chart_limit_time_span_chk.clicked.emit(False) self.chart_limit_time_span_chk.hide() self.chart.setUpdatesAsynchronously(False) elif radio_btn.text() == "Asynchronous": self.data_sampling_mode = ASYNC_DATA_SAMPLING self.chart_data_sampling_rate_lbl.show() self.chart_data_async_sampling_rate_spin.show() self.chart_limit_time_span_chk.show() self.chart.setUpdatesAsynchronously(True) def handle_zoom_in_btn_clicked(self, axis, is_zoom_in): scale_factor = 0.5 if not is_zoom_in: scale_factor += 1.0 if axis == "x": self.chart.getViewBox().scaleBy(x=scale_factor) elif axis == "y": self.chart.getViewBox().scaleBy(y=scale_factor) def handle_view_all_button_clicked(self): self.chart.plotItem.getViewBox().autoRange() def handle_pause_chart_btn_clicked(self): if self.chart.pausePlotting(): self.pause_chart_btn.setIcon(self.pause_icon) else: self.pause_chart_btn.setIcon(self.play_icon) def handle_reset_chart_btn_clicked(self): self.chart.getViewBox().setXRange(DEFAULT_X_MIN, 0) self.chart.resetAutoRangeY() @Slot() def handle_reset_chart_settings_btn_clicked(self): self.chart.setBackgroundColor(DEFAULT_CHART_BACKGROUND_COLOR) self.background_color_btn.setStyleSheet( "background-color: " + DEFAULT_CHART_BACKGROUND_COLOR.name()) self.chart.setAxisColor(DEFAULT_CHART_AXIS_COLOR) self.axis_color_btn.setStyleSheet("background-color: " + DEFAULT_CHART_AXIS_COLOR.name()) self.grid_opacity_slr.setValue(5) self.show_x_grid_chk.setChecked(False) self.show_x_grid_chk.clicked.emit(False) self.show_y_grid_chk.setChecked(False) self.show_y_grid_chk.clicked.emit(False) self.show_legend_chk.setChecked(False) self.chart.setShowXGrid(False) self.chart.setShowYGrid(False) self.chart.setShowLegend(False) @Slot() def handle_reset_data_settings_btn_clicked(self): self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE)) self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ) self.handle_redraw_rate_changed() self.chart_data_async_sampling_rate_spin.setValue( DEFAULT_DATA_SAMPLING_RATE_HZ) self.chart_data_sampling_rate_lbl.hide() self.chart_data_async_sampling_rate_spin.hide() self.chart_sync_mode_async_radio.setChecked(True) self.chart_sync_mode_async_radio.toggled.emit(True) self.chart_limit_time_span_chk.setChecked(False) self.chart_limit_time_span_chk.setText(self.limit_time_plan_text) self.chart_limit_time_span_chk.clicked.emit(False) self.chart.setUpdatesAsynchronously(True) self.chart.resetTimeSpan() self.chart.resetUpdateInterval() self.chart.setBufferSize(DEFAULT_BUFFER_SIZE) def enable_chart_control_buttons(self, enabled=True): self.zoom_in_x_btn.setEnabled(enabled) self.zoom_out_x_btn.setEnabled(enabled) self.zoom_in_y_btn.setEnabled(enabled) self.zoom_out_y_btn.setEnabled(enabled) self.view_all_btn.setEnabled(enabled) self.reset_chart_btn.setEnabled(enabled) self.pause_chart_btn.setIcon(self.pause_icon) self.pause_chart_btn.setEnabled(enabled) self.export_data_btn.setEnabled(enabled) def _get_full_pv_name(self, pv_name): """ Append the protocol to the PV Name. Parameters ---------- pv_name : str The name of the PV the curve is being plotted for """ if pv_name and "://" not in pv_name: pv_name = ''.join([self.pv_protocol_cmb.currentText(), pv_name]) return pv_name def handle_update_datetime_timer_timeout(self): current_label = self.chart.getBottomAxisLabel() new_label = "Current Time: " + TimeChartDisplay.get_current_datetime() if X_AXIS_LABEL_SEPARATOR in current_label: current_label = current_label[current_label. find(X_AXIS_LABEL_SEPARATOR) + len(X_AXIS_LABEL_SEPARATOR):] new_label += X_AXIS_LABEL_SEPARATOR + current_label self.chart.setLabel("bottom", text=new_label) def update_curve_data(self, curve): """ Determine if the PV is active. If not, disable the related PV controls. If the PV is active, update the PV controls' states. Parameters ---------- curve : PlotItem A PlotItem, i.e. a plot, to draw on the chart. """ pv_name = curve.address min_y = curve.minY if curve.minY else 0 max_y = curve.maxY if curve.maxY else 0 current_y = curve.data_buffer[1, -1] grb = self.findChild(QGroupBox, pv_name + "_grb") lbl = grb.findChild(QLabel, pv_name + "_lbl") lbl.setText("(yMin = {0:.3f}, yMax = {1:.3f}) y = {2:.3f}".format( min_y, max_y, current_y)) chb = grb.findChild(QCheckBox, pv_name + "_chb") connected = curve.connected if connected and chb.isEnabled(): return chb.setEnabled(connected) btn_modify = grb.findChild(QPushButton, pv_name + "_btn_modify") btn_modify.setEnabled(connected) btn_focus = grb.findChild(QPushButton, pv_name + "_btn_focus") btn_focus.setEnabled(connected) # btn_ann = grb.findChild(QPushButton, pv_name + "_btn_ann") # btn_ann.setEnabled(connected) @staticmethod def get_current_datetime(): current_date = datetime.datetime.now().strftime("%b %d, %Y") current_time = datetime.datetime.now().strftime("%H:%M:%S") current_datetime = current_time + ' (' + current_date + ')' return current_datetime @property def gridAlpha(self): return self.grid_alpha
class ConfigurePresentationWindow(QWidget): def __init__(self, parent): super().__init__() self.parent = parent # set title self.setWindowTitle("Configure Presentation") # set variables self.setupVariables() # setup Hymn Lyrics from glob import glob from pathlib import Path self.books = sorted([ Path(filename).stem for filename in glob(r"./marvelData/books/Hymn Lyrics*.book") ]) if len(self.books) > 0: self.setMinimumHeight(550) # setup interface self.setupUI() def setupVariables(self): pass def setupUI(self): from functools import partial from qtpy.QtCore import Qt from qtpy.QtWidgets import QHBoxLayout, QFormLayout, QSlider, QPushButton, QPlainTextEdit, QCheckBox, QComboBox from qtpy.QtWidgets import QRadioButton, QWidget, QVBoxLayout, QListView, QSpacerItem, QSizePolicy layout = QHBoxLayout() layout1 = QFormLayout() self.fontsizeslider = QSlider(Qt.Horizontal) self.fontsizeslider.setMinimum(1) self.fontsizeslider.setMaximum(12) self.fontsizeslider.setTickInterval(2) self.fontsizeslider.setSingleStep(2) self.fontsizeslider.setValue(config.presentationFontSize / 0.5) self.fontsizeslider.setToolTip(str(config.presentationFontSize)) self.fontsizeslider.valueChanged.connect( self.presentationFontSizeChanged) layout1.addRow("Font Size", self.fontsizeslider) self.changecolorbutton = QPushButton() buttonStyle = "QPushButton {0}background-color: {2}; color: {3};{1}".format( "{", "}", config.presentationColorOnDarkTheme if config.theme == "dark" else config.presentationColorOnLightTheme, "white" if config.theme == "dark" else "black") self.changecolorbutton.setStyleSheet(buttonStyle) self.changecolorbutton.setToolTip("Change Color") self.changecolorbutton.clicked.connect(self.changeColor) layout1.addRow("Font Color", self.changecolorbutton) self.marginslider = QSlider(Qt.Horizontal) self.marginslider.setMinimum(0) self.marginslider.setMaximum(200) self.marginslider.setTickInterval(50) self.marginslider.setSingleStep(50) self.marginslider.setValue(config.presentationMargin) self.marginslider.setToolTip(str(config.presentationMargin)) self.marginslider.valueChanged.connect(self.presentationMarginChanged) layout1.addRow("Margin", self.marginslider) self.verticalpositionslider = QSlider(Qt.Horizontal) self.verticalpositionslider.setMinimum(10) self.verticalpositionslider.setMaximum(90) self.verticalpositionslider.setTickInterval(10) self.verticalpositionslider.setSingleStep(10) self.verticalpositionslider.setValue( config.presentationVerticalPosition) self.verticalpositionslider.setToolTip( str(config.presentationVerticalPosition)) self.verticalpositionslider.valueChanged.connect( self.presentationVerticalPositionChanged) layout1.addRow("Vertical Position", self.verticalpositionslider) self.horizontalpositionslider = QSlider(Qt.Horizontal) self.horizontalpositionslider.setMinimum(10) self.horizontalpositionslider.setMaximum(90) self.horizontalpositionslider.setTickInterval(10) self.horizontalpositionslider.setSingleStep(10) self.horizontalpositionslider.setValue( config.presentationHorizontalPosition) self.horizontalpositionslider.setToolTip( str(config.presentationHorizontalPosition)) self.horizontalpositionslider.valueChanged.connect( self.presentationHorizontalPositionChanged) layout1.addRow("Horizontal Position", self.horizontalpositionslider) self.showBibleSelection = QRadioButton() self.showBibleSelection.setChecked(True) self.showBibleSelection.clicked.connect( lambda: self.selectRadio("bible")) layout1.addRow("Bible", self.showBibleSelection) if len(self.books) > 0: self.showHymnsSelection = QRadioButton() self.showHymnsSelection.setChecked(False) self.showHymnsSelection.clicked.connect( lambda: self.selectRadio("hymns")) layout1.addRow("Hymns", self.showHymnsSelection) # Second column layout2 = QVBoxLayout() self.bibleWidget = QWidget() self.bibleLayout = QFormLayout() checkbox = QCheckBox() checkbox.setText("") checkbox.setChecked(config.presentationParser) checkbox.stateChanged.connect(self.presentationParserChanged) checkbox.setToolTip("Parse bible verse reference in the entered text") self.bibleLayout.addRow("Bible Reference", checkbox) versionCombo = QComboBox() self.bibleVersions = self.parent.textList versionCombo.addItems(self.bibleVersions) initialIndex = 0 if config.mainText in self.bibleVersions: initialIndex = self.bibleVersions.index(config.mainText) versionCombo.setCurrentIndex(initialIndex) versionCombo.currentIndexChanged.connect(self.changeBibleVersion) self.bibleLayout.addRow("Bible Version", versionCombo) self.textEntry = QPlainTextEdit("John 3:16; Rm 5:8") self.bibleLayout.addRow(self.textEntry) button = QPushButton("Presentation") button.setToolTip("Go to Presentation") button.clicked.connect(self.goToPresentation) self.bibleLayout.addWidget(button) self.bibleLayout.addItem( QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)) self.bibleWidget.setLayout(self.bibleLayout) self.hymnWidget = QWidget() self.hymnLayout = QFormLayout() selected = 0 book = "Hymn Lyrics - English" if book in self.books: selected = self.books.index(book) self.bookList = QComboBox() self.bookList.addItems(self.books) self.bookList.setCurrentIndex(selected) self.bookList.currentIndexChanged.connect(self.selectHymnBook) self.hymnLayout.addWidget(self.bookList) self.chapterlist = QListView() self.chapterlist.clicked.connect(self.selectHymn) # self.chapterlist.selectionModel().selectionChanged.connect(self.selectHymn) self.hymnLayout.addWidget(self.chapterlist) self.buttons = [] for count in range(0, 10): hymnButton = QPushButton() hymnButton.setText(" ") hymnButton.setEnabled(False) hymnButton.clicked.connect(partial(self.selectParagraph, count)) self.hymnLayout.addWidget(hymnButton) self.buttons.append(hymnButton) self.selectHymnBook(selected) self.hymnWidget.setLayout(self.hymnLayout) self.hymnWidget.hide() layout2.addWidget(self.bibleWidget) if len(self.books) > 0: layout2.addWidget(self.hymnWidget) layout.addLayout(layout1) layout.addLayout(layout2) self.setLayout(layout) def selectRadio(self, option): if option == "bible": self.bibleWidget.show() if len(self.books) > 0: self.hymnWidget.hide() elif option == "hymns": self.bibleWidget.hide() if len(self.books) > 0: self.hymnWidget.show() def selectHymnBook(self, option): from ToolsSqlite import Book from qtpy.QtCore import QStringListModel if len(self.books) > 0: self.hymnBook = self.books[option] self.hymns = sorted(Book(self.hymnBook).getTopicList()) self.chapterModel = QStringListModel(self.hymns) self.chapterlist.setModel(self.chapterModel) def selectHymn(self, option): from ToolsSqlite import Book row = option.row() self.hymn = self.hymns[row] book = Book(self.hymnBook) sections = book.getParagraphSectionsByChapter(self.hymn) count = 0 for button in self.buttons: if count < len(sections): section = sections[count] text = section.replace("<br>", "")[:30] button.setText(text) button.setEnabled(True) else: button.setText(" ") button.setEnabled(False) count += 1 def selectParagraph(self, paragraph): command = "SCREENBOOK:::{0}:::{1}:::{2}".format( self.hymnBook, self.hymn, paragraph) self.parent.runTextCommand(command) def goToPresentation(self): command = "SCREEN:::{0}".format(self.textEntry.toPlainText()) self.parent.runTextCommand(command) def changeColor(self): from qtpy.QtGui import QColor from qtpy.QtWidgets import QColorDialog color = QColorDialog.getColor( QColor(config.presentationColorOnDarkTheme if config.theme == "dark" else config.presentationColorOnLightTheme), self) if color.isValid(): colorName = color.name() if config.theme == "dark": config.presentationColorOnDarkTheme = colorName else: config.presentationColorOnLightTheme = colorName buttonStyle = "QPushButton {0}background-color: {2}; color: {3};{1}".format( "{", "}", colorName, "white" if config.theme == "dark" else "black") self.changecolorbutton.setStyleSheet(buttonStyle) def presentationFontSizeChanged(self, value): config.presentationFontSize = value * 0.5 self.fontsizeslider.setToolTip(str(config.presentationFontSize)) def presentationMarginChanged(self, value): config.presentationMargin = value self.marginslider.setToolTip(str(config.presentationMargin)) def presentationVerticalPositionChanged(self, value): config.presentationVerticalPosition = value self.verticalpositionslider.setToolTip( str(config.presentationVerticalPosition)) def presentationHorizontalPositionChanged(self, value): config.presentationHorizontalPosition = value self.horizontalpositionslider.setValue( config.presentationHorizontalPosition) def presentationParserChanged(self): config.presentationParser = not config.presentationParser def changeBibleVersion(self, index): if __name__ == '__main__': config.mainText = self.bibleVersions[index] else: command = "TEXT:::{0}".format(self.bibleVersions[index]) self.parent.runTextCommand(command)