def __init__(self, context):
super(QuestionDialogPlugin, self).__init__(context)
# Give QObjects reasonable names
self.setObjectName('QuestionDialogPlugin')
font_size = rospy.get_param("~font_size", 40)
# Create QWidget
self._widget = QWidget()
self._widget.setFont(QFont("Times", font_size, QFont.Bold))
self._layout = QVBoxLayout(self._widget)
self._text_browser = QTextBrowser(self._widget)
self._layout.addWidget(self._text_browser)
self._button_layout = QHBoxLayout()
self._layout.addLayout(self._button_layout)
# layout = QVBoxLayout(self._widget)
# layout.addWidget(self.button)
self._widget.setObjectName('QuestionDialogPluginUI')
if context.serial_number() > 1:
self._widget.setWindowTitle(self._widget.windowTitle() +
(' (%d)' % context.serial_number()))
context.add_widget(self._widget)
# Setup service provider
self.service = rospy.Service('question_dialog', QuestionDialog,
self.service_callback)
self.response_ready = False
self.response = None
self.buttons = []
self.text_label = None
self.text_input = None
self.connect(self._widget, SIGNAL("update"), self.update)
self.connect(self._widget, SIGNAL("timeout"), self.timeout)
def __init__(self,
default_mcast_group,
default_port,
networks_count,
parent=None):
'''
Creates an input dialog.
@param default_port: the default discovery port
@type default_port: C{int}
@param networks_count: the count of discovering ports
@type networks_count: C{int}
'''
QDialog.__init__(self, parent=parent)
threading.Thread.__init__(self)
self.default_port = default_port
self.setObjectName('NetworkDiscoveryDialog')
self.setAttribute(Qt.WA_DeleteOnClose, True)
self.setWindowFlags(Qt.Window)
self.setWindowTitle('Network Discovery')
self.resize(728, 512)
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setObjectName("verticalLayout")
self.verticalLayout.setContentsMargins(1, 1, 1, 1)
self.display = QTextBrowser(self)
self.display.setReadOnly(True)
self.verticalLayout.addWidget(self.display)
self.display_clear_signal.connect(self.display.clear)
self.display_append_signal.connect(self.display.append)
self.display.anchorClicked.connect(self.on_anchorClicked)
self.status_label = QLabel('0 messages', self)
self.verticalLayout.addWidget(self.status_label)
self.status_text_signal.connect(self.status_label.setText)
self._msg_counts = dict()
self._networks_count = networks_count
self._running = True
self._received_msgs = 0
self._discovered = dict()
self._hosts = dict() # resolution for hostname and address
self.mutex = threading.RLock()
self.sockets = []
with self.mutex:
try:
for p in range(networks_count):
msock = DiscoverSocket(default_port + p,
default_mcast_group)
self.sockets.append(msock)
msock.settimeout(self.TIMEOUT)
except Exception as e:
self.display.setText(utf8(e))
self.setDaemon(True)
self.start()
def __init__(self,
topic,
msg_type,
show_only_rate=False,
masteruri=None,
use_ssh=False,
parent=None):
'''
Creates an input dialog.
@param topic: the name of the topic
@type topic: C{str}
@param msg_type: the type of the topic
@type msg_type: C{str}
@raise Exception: if no topic class was found for the given type
'''
QDialog.__init__(self, parent=parent)
self._masteruri = masteruri
masteruri_str = '' if masteruri is None else '[%s]' % masteruri
self.setObjectName(' - '.join(['EchoDialog', topic, masteruri_str]))
self.setAttribute(Qt.WA_DeleteOnClose, True)
self.setWindowFlags(Qt.Window)
self.setWindowTitle('%s %s %s' %
('Echo --- ' if not show_only_rate else 'Hz --- ',
topic, masteruri_str))
self.resize(728, 512)
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setObjectName("verticalLayout")
self.verticalLayout.setContentsMargins(1, 1, 1, 1)
self.mIcon = QIcon(":/icons/crystal_clear_prop_run_echo.png")
self.setWindowIcon(self.mIcon)
self.topic = topic
self.show_only_rate = show_only_rate
self.lock = threading.RLock()
self.last_printed_count = 0
self.msg_t0 = -1.
self.msg_tn = 0
self.times = []
self.message_count = 0
self._rate_message = ''
self._scrapped_msgs = 0
self._scrapped_msgs_sl = 0
self._last_received_ts = 0
self.receiving_hz = self.MESSAGE_HZ_LIMIT
self.line_limit = self.MESSAGE_LINE_LIMIT
self.field_filter_fn = None
options = QWidget(self)
if not show_only_rate:
hLayout = QHBoxLayout(options)
hLayout.setContentsMargins(1, 1, 1, 1)
self.no_str_checkbox = no_str_checkbox = QCheckBox('Hide strings')
no_str_checkbox.toggled.connect(self.on_no_str_checkbox_toggled)
hLayout.addWidget(no_str_checkbox)
self.no_arr_checkbox = no_arr_checkbox = QCheckBox('Hide arrays')
no_arr_checkbox.toggled.connect(self.on_no_arr_checkbox_toggled)
hLayout.addWidget(no_arr_checkbox)
self.combobox_reduce_ch = QComboBox(self)
self.combobox_reduce_ch.addItems(
[str(self.MESSAGE_LINE_LIMIT), '0', '80', '256', '1024'])
self.combobox_reduce_ch.activated[str].connect(
self.combobox_reduce_ch_activated)
self.combobox_reduce_ch.setEditable(True)
self.combobox_reduce_ch.setToolTip(
"Set maximum line width. 0 disables the limit.")
hLayout.addWidget(self.combobox_reduce_ch)
# reduce_ch_label = QLabel('ch', self)
# hLayout.addWidget(reduce_ch_label)
# add spacer
spacerItem = QSpacerItem(515, 20, QSizePolicy.Expanding,
QSizePolicy.Minimum)
hLayout.addItem(spacerItem)
# add combobox for displaying frequency of messages
self.combobox_displ_hz = QComboBox(self)
self.combobox_displ_hz.addItems([
str(self.MESSAGE_HZ_LIMIT), '0', '0.1', '1', '50', '100',
'1000'
])
self.combobox_displ_hz.activated[str].connect(
self.on_combobox_hz_activated)
self.combobox_displ_hz.setEditable(True)
hLayout.addWidget(self.combobox_displ_hz)
displ_hz_label = QLabel('Hz', self)
hLayout.addWidget(displ_hz_label)
# add combobox for count of displayed messages
self.combobox_msgs_count = QComboBox(self)
self.combobox_msgs_count.addItems(
[str(self.MAX_DISPLAY_MSGS), '0', '50', '100'])
self.combobox_msgs_count.activated[str].connect(
self.on_combobox_count_activated)
self.combobox_msgs_count.setEditable(True)
self.combobox_msgs_count.setToolTip(
"Set maximum displayed message count. 0 disables the limit.")
hLayout.addWidget(self.combobox_msgs_count)
displ_count_label = QLabel('#', self)
hLayout.addWidget(displ_count_label)
# add topic control button for unsubscribe and subscribe
self.topic_control_button = QToolButton(self)
self.topic_control_button.setText('stop')
self.topic_control_button.setIcon(
QIcon(':/icons/deleket_deviantart_stop.png'))
self.topic_control_button.clicked.connect(
self.on_topic_control_btn_clicked)
hLayout.addWidget(self.topic_control_button)
# add clear button
clearButton = QToolButton(self)
clearButton.setText('clear')
clearButton.clicked.connect(self.on_clear_btn_clicked)
hLayout.addWidget(clearButton)
self.verticalLayout.addWidget(options)
self.display = QTextBrowser(self)
self.display.setReadOnly(True)
self.verticalLayout.addWidget(self.display)
self.display.document().setMaximumBlockCount(500)
self.max_displayed_msgs = self.MAX_DISPLAY_MSGS
self._blocks_in_msg = None
self.display.setOpenLinks(False)
self.display.anchorClicked.connect(self._on_display_anchorClicked)
self.status_label = QLabel('0 messages', self)
self.verticalLayout.addWidget(self.status_label)
# subscribe to the topic
errmsg = ''
try:
self.__msg_class = message.get_message_class(msg_type)
if not self.__msg_class:
errmsg = "Cannot load message class for [%s]. Did you build messages?" % msg_type
# raise Exception("Cannot load message class for [%s]. Did you build messages?"%msg_type)
except Exception as e:
self.__msg_class = None
errmsg = "Cannot load message class for [%s]. Did you build messagest?\nError: %s" % (
msg_type, e)
# raise Exception("Cannot load message class for [%s]. Did you build messagest?\nError: %s"%(msg_type, e))
# variables for Subscriber
self.msg_signal.connect(self._append_message)
self.sub = None
# vairables for SSH connection
self.ssh_output_file = None
self.ssh_error_file = None
self.ssh_input_file = None
self.text_signal.connect(self._append_text)
self.text_hz_signal.connect(self._append_text_hz)
self._current_msg = ''
self._current_errmsg = ''
self.text_error_signal.connect(self._append_error_text)
# decide, which connection to open
if use_ssh:
self.__msg_class = None
self._on_display_anchorClicked(QUrl(self._masteruri))
elif self.__msg_class is None:
errtxt = '<pre style="color:red; font-family:Fixedsys,Courier,monospace; padding:10px;">\n%s</pre>' % (
errmsg)
self.display.setText('<a href="%s">open using SSH</a>' %
(masteruri))
self.display.append(errtxt)
else:
self.sub = rospy.Subscriber(self.topic, self.__msg_class,
self._msg_handle)
self.print_hz_timer = QTimer()
self.print_hz_timer.timeout.connect(self._on_calc_hz)
self.print_hz_timer.start(1000)
