本文整理汇总了Python中enaml.qt.QtGui.QApplication.instance方法的典型用法代码示例。如果您正苦于以下问题：Python QApplication.instance方法的具体用法？Python QApplication.instance怎么用？Python QApplication.instance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enaml.qt.QtGui.QApplication的用法示例。
在下文中一共展示了QApplication.instance方法的3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: clearAlert
# 需要导入模块: from enaml.qt.QtGui import QApplication [as 别名]
# 或者: from enaml.qt.QtGui.QApplication import instance [as 别名]
def clearAlert(self):
""" Clear the current alert level, if any.
"""
if self._alert_data is not None:
self._alert_data.timer.stop()
self._alert_data = None
app = QApplication.instance()
app.focusChanged.disconnect(self._onAppFocusChanged)
self.alerted.emit(u'')示例2: setUp
# 需要导入模块: from enaml.qt.QtGui import QApplication [as 别名]
# 或者: from enaml.qt.QtGui.QApplication import instance [as 别名]
def setUp(self):
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
self.qt_app = qt_app
enaml_app = QtApplication.instance()
if enaml_app is None:
enaml_app = QtApplication()
self.enaml_app = enaml_app
self.event_loop_helper = EventLoopHelper(qt_app=self.qt_app)示例3: alert
# 需要导入模块: from enaml.qt.QtGui import QApplication [as 别名]
# 或者: from enaml.qt.QtGui.QApplication import instance [as 别名]
def alert(self, level, on=250, off=250, repeat=4, persist=False):
""" Set the alert level on the dock item.
This will override any currently applied alert level.
Parameters
----------
level : unicode
The alert level token to apply to the dock item.
on : int
The duration of the 'on' cycle, in ms. A value of -1 means
always on.
off : int
The duration of the 'off' cycle, in ms. If 'on' is -1, this
value is ignored.
repeat : int
The number of times to repeat the on-off cycle. If 'on' is
-1, this value is ignored.
persist : bool
Whether to leave the alert in the 'on' state when the cycles
finish. If 'on' is -1, this value is ignored.
"""
if self._alert_data is not None:
self.clearAlert()
app = QApplication.instance()
app.focusChanged.connect(self._onAppFocusChanged)
timer = QTimer()
timer.setSingleShot(True)
timer.timeout.connect(self._onAlertTimer)
on, off, repeat = max(-1, on), max(0, off), max(1, repeat)
self._alert_data = _AlertData(timer, level, on, off, repeat, persist)
if on < 0:
self.alerted.emit(level)
else:
self._onAlertTimer()