本文整理汇总了Python中python_qt_binding.QtGui.QMenu.clear方法的典型用法代码示例。如果您正苦于以下问题：Python QMenu.clear方法的具体用法？Python QMenu.clear怎么用？Python QMenu.clear使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类python_qt_binding.QtGui.QMenu的用法示例。
在下文中一共展示了QMenu.clear方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Plot3DWidget
# 需要导入模块: from python_qt_binding.QtGui import QMenu [as 别名]
# 或者: from python_qt_binding.QtGui.QMenu import clear [as 别名]
class Plot3DWidget(QWidget):
_redraw_interval = 40
def __init__(self, initial_topics=None, start_paused=False,
buffer_length=100, use_poly=True, no_legend=False):
super(Plot3DWidget, self).__init__()
self.setObjectName('Plot3DWidget')
self._buffer_length = buffer_length
self._initial_topics = initial_topics
rp = rospkg.RosPack()
ui_file = os.path.join(rp.get_path('jsk_rqt_plugins'),
'resource', 'plot3d.ui')
loadUi(ui_file, self)
self.subscribe_topic_button.setIcon(QIcon.fromTheme('add'))
self.remove_topic_button.setIcon(QIcon.fromTheme('remove'))
self.pause_button.setIcon(QIcon.fromTheme('media-playback-pause'))
self.clear_button.setIcon(QIcon.fromTheme('edit-clear'))
self.data_plot = MatDataPlot3D(self, self._buffer_length,
use_poly, no_legend)
self.data_plot_layout.addWidget(self.data_plot)
self.data_plot.autoscroll(self.autoscroll_checkbox.isChecked())
self.data_plot.dropEvent = self.dropEvent
self.data_plot.dragEnterEvent = self.dragEnterEvent
self.subscribe_topic_button.setEnabled(False)
if start_paused:
self.pause_button.setChecked(True)
self._topic_completer = TopicCompleter(self.topic_edit)
self._topic_completer.update_topics()
self.topic_edit.setCompleter(self._topic_completer)
self._start_time = rospy.get_time()
self._rosdata = {}
self._remove_topic_menu = QMenu()
# init and start update timer for plot
self._update_plot_timer = QTimer(self)
self._update_plot_timer.timeout.connect(self.update_plot)
if self._initial_topics:
for topic_name in self._initial_topics:
self.add_topic(topic_name)
self._initial_topics = None
@Slot('QDragEnterEvent*')
def dragEnterEvent(self, event):
# get topic name
if not event.mimeData().hasText():
if not hasattr(event.source(), 'selectedItems') or len(event.source().selectedItems()) == 0:
qWarning('Plot.dragEnterEvent(): not hasattr(event.source(), selectedItems) or len(event.source().selectedItems()) == 0')
return
item = event.source().selectedItems()[0]
topic_name = item.data(0, Qt.UserRole)
if topic_name == None:
qWarning('Plot.dragEnterEvent(): not hasattr(item, ros_topic_name_)')
return
else:
topic_name = str(event.mimeData().text())
# check for numeric field type
is_numeric, is_array, message = is_slot_numeric(topic_name)
if is_numeric and not is_array:
event.acceptProposedAction()
else:
qWarning('Plot.dragEnterEvent(): rejecting: "%s"' % (message))
@Slot('QDropEvent*')
def dropEvent(self, event):
if event.mimeData().hasText():
topic_name = str(event.mimeData().text())
else:
droped_item = event.source().selectedItems()[0]
topic_name = str(droped_item.data(0, Qt.UserRole))
self.add_topic(topic_name)
@Slot(str)
def on_topic_edit_textChanged(self, topic_name):
# on empty topic name, update topics
if topic_name in ('', '/'):
self._topic_completer.update_topics()
is_numeric, is_array, message = is_slot_numeric(topic_name)
self.subscribe_topic_button.setEnabled(is_numeric and not is_array)
self.subscribe_topic_button.setToolTip(message)
@Slot()
def on_topic_edit_returnPressed(self):
if self.subscribe_topic_button.isEnabled():
self.add_topic(str(self.topic_edit.text()))
@Slot()
def on_subscribe_topic_button_clicked(self):
self.add_topic(str(self.topic_edit.text()))
@Slot(bool)
def on_pause_button_clicked(self, checked):
self.enable_timer(not checked)
@Slot(bool)
#.........这里部分代码省略.........