def _show_navview(self):
with QMutexLocker(self._show_mutex):
if self._navview is None:
self._navview = NavViewWidget()
try:
if self._navview_shown:
self.context.remove_widget(self._navview)
self._navview_shown = not self._navview_shown
else:
self.context.add_widget(self._navview)
self._navview_shown = not self._navview_shown
except Exception:
self._navview_shown = not self._navview_shown
self._show_navview()
def _show_navview(self):
with QMutexLocker(self._show_mutex):
if self._navview is None:
self._navview = NavViewWidget()
try:
if self._navview_shown:
self.context.remove_widget(self._navview)
self._navview_shown = not self._navview_shown
else:
self.context.add_widget(self._navview)
self._navview_shown = not self._navview_shown
except Exception:
self._navview_shown = not self._navview_shown
self._show_navview()
class NavViewDashWidget(IconToolButton):
"""
A widget which launches a nav_view widget in order to view and interact with the ROS nav stack
:param context: The plugin context in which to dsiplay the nav_view, ''qt_gui.plugin_context.PluginContext''
:param name: The widgets name, ''str''
"""
def __init__(self, context, name='NavView', icon_paths=None):
self._icons = [['bg-grey.svg', 'ic-navigation.svg']]
super(NavViewDashWidget, self).__init__(name,
icons=self._icons,
suppress_overlays=True,
icon_paths=icon_paths)
self.context = context
self.update_state(0)
self.setFixedSize(self._icons[0].actualSize(QSize(50, 30)))
self._navview = None
self._navview_shown = False
self.clicked.connect(self._show_navview)
self._show_mutex = QMutex()
def _show_navview(self):
with QMutexLocker(self._show_mutex):
if self._navview is None:
self._navview = NavViewWidget()
try:
if self._navview_shown:
self.context.remove_widget(self._navview)
self._navview_shown = not self._navview_shown
else:
self.context.add_widget(self._navview)
self._navview_shown = not self._navview_shown
except Exception:
self._navview_shown = not self._navview_shown
self._show_navview()
def shutdown_widget(self):
if self._navview:
self._navview.close()
def save_settings(self, plugin_settings, instance_settings):
self._navview.save_settings(plugin_settings, instance_settings)
def restore_settings(self, plugin_settings, instance_settings):
self._navview.restore_settings(plugin_settings, instance_settings)
class NavViewDashWidget(IconToolButton):
"""
A widget which launches a nav_view widget in order to view and interact with the ROS nav stack
:param context: The plugin context in which to dsiplay the nav_view, ''qt_gui.plugin_context.PluginContext''
:param name: The widgets name, ''str''
"""
def __init__(self, context, name='NavView', icon_paths=None):
self._icons = [['bg-grey.svg', 'ic-navigation.svg']]
super(NavViewDashWidget, self).__init__(name, icons=self._icons, suppress_overlays=True, icon_paths=icon_paths)
self.context = context
self.update_state(0)
self.setFixedSize(self._icons[0].actualSize(QSize(50, 30)))
self._navview = None
self._navview_shown = False
self.clicked.connect(self._show_navview)
self._show_mutex = QMutex()
def _show_navview(self):
with QMutexLocker(self._show_mutex):
if self._navview is None:
self._navview = NavViewWidget()
try:
if self._navview_shown:
self.context.remove_widget(self._navview)
self._navview_shown = not self._navview_shown
else:
self.context.add_widget(self._navview)
self._navview_shown = not self._navview_shown
except Exception:
self._navview_shown = not self._navview_shown
self._show_navview()
def shutdown_widget(self):
if self._navview:
self._navview.close()
def save_settings(self, plugin_settings, instance_settings):
self._navview.save_settings(plugin_settings, instance_settings)
def restore_settings(self, plugin_settings, instance_settings):
self._navview.restore_settings(plugin_settings, instance_settings)