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00035 import os
00036
00037 from python_qt_binding import loadUi
00038 from python_qt_binding.QtCore import Signal, Slot
00039 from python_qt_binding.QtWidgets import QWidget
00040 import rospy
00041 import rospkg
00042
00043 from rqt_robot_monitor.timeline import Timeline
00044
00045
00046 class TimelinePane(QWidget):
00047 """
00048 This class defines the pane where timeline and its related components
00049 are displayed.
00050 """
00051 status_updated = Signal(list)
00052 pause_changed = Signal(bool)
00053 position_changed = Signal(int)
00054 redraw = Signal()
00055
00056 def __init__(self, parent, paused=False):
00057 """
00058 Because this class is intended to be instantiated via Qt's .ui file,
00059 taking argument other than parent widget is not possible, which is
00060 ported to set_timeline_data method. That said, set_timeline_data must
00061 be called (soon) after an object of this is instantiated.
00062 """
00063 super(TimelinePane, self).__init__(parent=parent)
00064
00065 rp = rospkg.RosPack()
00066 ui_file = os.path.join(rp.get_path('rqt_robot_monitor'),
00067 'resource',
00068 'timelinepane.ui')
00069 loadUi(ui_file, self)
00070
00071 self._timeline_view.show()
00072 self._timeline_view.position_changed.connect(self._signal_position_changed)
00073
00074
00075 self._pause_button.clicked[bool].connect(self._signal_pause_changed)
00076
00077
00078 self._pause_button.setChecked(paused)
00079
00080 self.redraw.connect(self._signal_redraw)
00081
00082 def _signal_pause_changed(self, paused):
00083 self.pause_changed.emit(paused)
00084
00085 def _signal_position_changed(self, position):
00086 self.position_changed.emit(position)
00087
00088 @Slot(bool)
00089 def set_paused(self, paused):
00090 self._pause_button.setChecked(paused)
00091
00092 @Slot(list)
00093 def set_levels(self, levels):
00094 '''
00095 :param levels: List of status levels
00096 '''
00097 self._timeline_view.set_levels(levels)
00098
00099 @Slot(int)
00100 def set_position(self, position):
00101 self._timeline_view.set_marker_pos(position)
00102
00103 @Slot()
00104 def _signal_redraw(self):
00105 self._timeline_view.redraw.emit()
rqt_robot_monitor
Author(s): Austin Hendrix, Isaac Saito, Ze'ev Klapow, Kevin Watts, Josh Faust
autogenerated on Thu May 16 2019 03:10:09