def create_action(parent,
text,
shortcut=None,
icon=None,
tip=None,
toggled=None,
triggered=None,
data=None,
menurole=None,
context=Qt.WindowShortcut):
"""Create a QAction."""
action = QAction(text, parent)
if triggered is not None:
action.triggered.connect(triggered)
if toggled is not None:
action.toggled.connect(toggled)
action.setCheckable(True)
if icon is not None:
action.setIcon(icon)
if shortcut is not None:
action.setShortcut(shortcut)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if data is not None:
action.setData(to_qvariant(data))
if menurole is not None:
action.setMenuRole(menurole)
# TODO: Hard-code all shortcuts and choose context=Qt.WidgetShortcut
# (this will avoid calling shortcuts from another dockwidget
# since the context thing doesn't work quite well with these widgets)
action.setShortcutContext(context)
return action
def create_action(parent, text, shortcut=None, icon=None, tip=None,
toggled=None, triggered=None, data=None, menurole=None,
context=Qt.WindowShortcut):
"""Create a QAction"""
action = QAction(text, parent)
if triggered is not None:
action.triggered.connect(triggered)
if toggled is not None:
action.toggled.connect(toggled)
action.setCheckable(True)
if icon is not None:
if is_text_string(icon):
icon = get_icon(icon)
action.setIcon(icon)
if shortcut is not None:
action.setShortcut(shortcut)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if data is not None:
action.setData(to_qvariant(data))
if menurole is not None:
action.setMenuRole(menurole)
#TODO: Hard-code all shortcuts and choose context=Qt.WidgetShortcut
# (this will avoid calling shortcuts from another dockwidget
# since the context thing doesn't work quite well with these widgets)
action.setShortcutContext(context)
return action
def __init__(self, parent=None, standalone=False):
super(Camera, self).__init__(parent)
# This prevents doing unneeded initialization
# when QtDesginer loads the plugin.
if parent is None and not standalone:
return
if not multimedia_available:
return
self.ui = uic.loadUi(os.path.join(WIDGET_PATH, "camera.ui"), self)
self.camera = None
self.imageCapture = None
self.mediaRecorder = None
self.isCapturingImage = False
self.applicationExiting = False
self.imageSettings = QImageEncoderSettings()
self.audioSettings = QAudioEncoderSettings()
self.videoSettings = QVideoEncoderSettings()
self.videoContainerFormat = ''
camera_device = QByteArray()
videoDevicesGroup = QActionGroup(self)
videoDevicesGroup.setExclusive(True)
if not QCamera.availableDevices():
self.ui.devicesCombo.addItem("No Device")
else:
for deviceName in QCamera.availableDevices():
description = QCamera.deviceDescription(deviceName)
self.ui.devicesCombo.addItem(description)
videoDeviceAction = QAction(description, videoDevicesGroup)
videoDeviceAction.setCheckable(True)
videoDeviceAction.setData(deviceName)
if camera_device.isEmpty():
cameraDevice = deviceName
videoDeviceAction.setChecked(True)
self.ui.devicesCombo.addAction(videoDeviceAction)
videoDevicesGroup.triggered.connect(self.updateCameraDevice)
self.ui.captureWidget.currentChanged.connect(self.updateCaptureMode)
self.ui.devicesCombo.currentIndexChanged.connect(self.get_device_action)
self.ui.lockButton.hide()
if not IN_DESIGNER:
# Start camera 2s after the UI has loaded
QTimer.singleShot(2000, lambda: self.setCamera(camera_device))
def create_action(parent,
text,
shortcut=None,
icon=None,
tip=None,
toggled=None,
triggered=None,
data=None,
menurole=None,
context=Qt.WindowShortcut):
"""Create a QAction"""
action = QAction(text, parent)
if triggered is not None:
action.triggered.connect(triggered)
if toggled is not None:
action.toggled.connect(toggled)
action.setCheckable(True)
if icon is not None:
if is_text_string(icon):
icon = get_icon(icon)
action.setIcon(icon)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if data is not None:
action.setData(to_qvariant(data))
if menurole is not None:
action.setMenuRole(menurole)
# Workround for Mac because setting context=Qt.WidgetShortcut
# there doesn't have any effect
if sys.platform == 'darwin':
action._shown_shortcut = None
if context == Qt.WidgetShortcut:
if shortcut is not None:
action._shown_shortcut = shortcut
else:
# This is going to be filled by
# main.register_shortcut
action._shown_shortcut = 'missing'
else:
if shortcut is not None:
action.setShortcut(shortcut)
action.setShortcutContext(context)
else:
if shortcut is not None:
action.setShortcut(shortcut)
action.setShortcutContext(context)
return action
def create_action(parent, text, shortcut=None, icon=None, tip=None,
toggled=None, triggered=None, data=None, menurole=None,
context=Qt.WindowShortcut):
"""Create a QAction"""
action = QAction(text, parent)
if triggered is not None:
action.triggered.connect(triggered)
if toggled is not None:
action.toggled.connect(toggled)
action.setCheckable(True)
if icon is not None:
if is_text_string(icon):
icon = get_icon(icon)
action.setIcon(icon)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if data is not None:
action.setData(to_qvariant(data))
if menurole is not None:
action.setMenuRole(menurole)
# Workround for Mac because setting context=Qt.WidgetShortcut
# there doesn't have any effect
if sys.platform == 'darwin':
action._shown_shortcut = None
if context == Qt.WidgetShortcut:
if shortcut is not None:
action._shown_shortcut = shortcut
else:
# This is going to be filled by
# main.register_shortcut
action._shown_shortcut = 'missing'
else:
if shortcut is not None:
action.setShortcut(shortcut)
action.setShortcutContext(context)
else:
if shortcut is not None:
action.setShortcut(shortcut)
action.setShortcutContext(context)
return action
def getMenuAction(self, menu, title='notitle', action_name='noaction',
args=[], kwargs={}):
# ToDo: Clean this up, it is very hacky
env = {'app': QApplication.instance(),
'win': self,
'action': actions,
}
if action_name is not None:
if action_name.startswith('settings.'):
setting_id = action_name[len('settings.'):]
setting = getSetting(setting_id)
if setting:
if setting.enum_options is not None:
submenu = QMenu(parent=self, title=title)
group = QActionGroup(self)
group.setExclusive(True)
group.triggered.connect(lambda a: setting.setValue(a.data()))
def update(group, val):
for act in group.actions():
if act.data() == val:
act.setChecked(True)
break
for num, opt in enumerate(setting.enum_options):
act = QAction(parent=self, text=opt)
act.setCheckable(True)
if setting.value == num:
act.setChecked(True)
act.setData(num)
setting.notify(lambda v: update(group, v))
act.setActionGroup(group)
submenu.addAction(act)
menu.addMenu(submenu)
elif setting.value_type == bool:
# works for bool settings
menu_action = QAction(parent=self, text=title)
menu_action.setCheckable(True)
menu_action.triggered.connect(setting.setValue)
setting.notify(menu_action.setChecked)
menu.addAction(menu_action)
return
try:
menu_action = QAction(parent=self, text=title)
mod, action = action_name.split('.', 1)
method = getattr(env.get(mod, self), action)
if menu_action.isCheckable():
menu_action.triggered.connect(method)
else:
menu_action.triggered.connect(lambda checked: method(*args, **kwargs))
menu.addAction(menu_action)
return
except:
pass
try:
menu_action = QAction(parent=self, text=title)
actions.bindWidget(menu_action, action_name)
menu.addAction(menu_action)
return
except actions.InvalidAction:
LOG.exception('Error binding menu action %s', action_name)
menu_action = QAction(parent=self, text=title)
msg = "The <b>{}</b> action specified for the " \
"<b>{}</b> menu item could not be triggered. " \
"Check the YAML config file for errors." \
.format(action_name or '', title.replace('&', ''))
menu_action.triggered.connect(lambda: QMessageBox.critical(self, "Menu Action Error!", msg))
menu.addAction(menu_action)
def _update_file_menu(self):
"""
Set up the File menu and update the menu with recent files
"""
self.file_menu.clear()
newAction = QAction("&New Reduction...", self)
newAction.setShortcut("Ctrl+N")
newAction.setStatusTip("Start a new reduction")
newAction.triggered.connect(self._new)
openAction = QAction("&Open...", self)
openAction.setShortcut("Ctrl+O")
openAction.setStatusTip("Open an XML file containing reduction parameters")
openAction.triggered.connect(self._file_open)
saveAsAction = QAction("Save as...", self)
saveAsAction.setStatusTip("Save the reduction parameters to XML")
saveAsAction.triggered.connect(self._save_as)
saveAction = QAction("&Save...", self)
saveAction.setShortcut("Ctrl+S")
saveAction.setStatusTip("Save the reduction parameters to XML")
saveAction.triggered.connect(self._save)
exportAction = QAction("&Export...", self)
exportAction.setShortcut("Ctrl+E")
exportAction.setStatusTip("Export to python script for Mantid")
exportAction.triggered.connect(self._export)
quitAction = QAction("&Quit", self)
quitAction.setShortcut("Ctrl+Q")
quitAction.triggered.connect(self.close)
self.file_menu.addAction(newAction)
self.file_menu.addAction(openAction)
self.file_menu.addAction(saveAction)
self.file_menu.addAction(saveAsAction)
self.file_menu.addAction(exportAction)
self.file_menu.addSeparator()
if self.general_settings.debug:
clearAction = QAction("&Clear settings and quit", self)
clearAction.setStatusTip("Restore initial application settings and close the application")
clearAction.triggered.connect(self._clear_and_close)
self.file_menu.addAction(clearAction)
self.file_menu.addAction(quitAction)
# TOOLS menu
instrAction = QAction("Change &instrument...", self)
instrAction.setShortcut("Ctrl+I")
instrAction.setStatusTip("Select a new instrument")
instrAction.triggered.connect(self._change_instrument)
debug_menu_item_str = "Turn debug mode ON"
if self.general_settings.debug:
debug_menu_item_str = "Turn debug mode OFF"
debugAction = QAction(debug_menu_item_str, self)
debugAction.setStatusTip(debug_menu_item_str)
debugAction.triggered.connect(self._debug_mode)
self.tools_menu.clear()
self.tools_menu.addAction(instrAction)
self.tools_menu.addAction(debugAction)
recent_files = []
for fname in self._recent_files:
if fname != self._filename and QFile.exists(fname) and fname not in recent_files:
recent_files.append(fname)
if len(recent_files) > 0:
self.file_menu.addSeparator()
for i, fname in enumerate(recent_files):
action = QAction("&%d %s" % (i + 1, QFileInfo(fname).fileName()), self)
action.setData(fname)
action.triggered.connect(self.open_file)
self.file_menu.addAction(action)
def _update_file_menu(self):
"""
Set up the File menu and update the menu with recent files
"""
self.file_menu.clear()
newAction = QAction("&New Reduction...", self)
newAction.setShortcut("Ctrl+N")
newAction.setStatusTip("Start a new reduction")
newAction.triggered.connect(self._new)
openAction = QAction("&Open...", self)
openAction.setShortcut("Ctrl+O")
openAction.setStatusTip("Open an XML file containing reduction parameters")
openAction.triggered.connect(self._file_open)
saveAsAction = QAction("Save as...", self)
saveAsAction.setStatusTip("Save the reduction parameters to XML")
saveAsAction.triggered.connect(self._save_as)
saveAction = QAction("&Save...", self)
saveAction.setShortcut("Ctrl+S")
saveAction.setStatusTip("Save the reduction parameters to XML")
saveAction.triggered.connect(self._save)
exportAction = QAction("&Export...", self)
exportAction.setShortcut("Ctrl+E")
exportAction.setStatusTip("Export to python script for Mantid")
exportAction.triggered.connect(self._export)
quitAction = QAction("&Quit", self)
quitAction.setShortcut("Ctrl+Q")
quitAction.triggered.connect(self.close)
self.file_menu.addAction(newAction)
self.file_menu.addAction(openAction)
self.file_menu.addAction(saveAction)
self.file_menu.addAction(saveAsAction)
self.file_menu.addAction(exportAction)
self.file_menu.addSeparator()
if self.general_settings.debug:
clearAction = QAction("&Clear settings and quit", self)
clearAction.setStatusTip("Restore initial application settings and close the application")
clearAction.triggered.connect(self._clear_and_close)
self.file_menu.addAction(clearAction)
self.file_menu.addAction(quitAction)
# TOOLS menu
instrAction = QAction("Change &instrument...", self)
instrAction.setShortcut("Ctrl+I")
instrAction.setStatusTip("Select a new instrument")
instrAction.triggered.connect(self._change_instrument)
debug_menu_item_str = "Turn debug mode ON"
if self.general_settings.debug:
debug_menu_item_str = "Turn debug mode OFF"
debugAction = QAction(debug_menu_item_str, self)
debugAction.setStatusTip(debug_menu_item_str)
debugAction.triggered.connect(self._debug_mode)
self.tools_menu.clear()
self.tools_menu.addAction(instrAction)
self.tools_menu.addAction(debugAction)
recent_files = []
for fname in self._recent_files:
if fname != self._filename and QFile.exists(fname) and fname not in recent_files:
recent_files.append(fname)
if len(recent_files)>0:
self.file_menu.addSeparator()
for i, fname in enumerate(recent_files):
action = QAction("&%d %s" % (i+1, QFileInfo(fname).fileName()), self)
action.setData(fname)
action.triggered.connect(self.open_file)
self.file_menu.addAction(action)
