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Python QApplication.widgetAt方法代码示例

本文整理汇总了Python中python_qt_binding.QtGui.QApplication.widgetAt方法的典型用法代码示例。如果您正苦于以下问题:Python QApplication.widgetAt方法的具体用法?Python QApplication.widgetAt怎么用?Python QApplication.widgetAt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python_qt_binding.QtGui.QApplication的用法示例。


在下文中一共展示了QApplication.widgetAt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: _widget_at

# 需要导入模块: from python_qt_binding.QtGui import QApplication [as 别名]
# 或者: from python_qt_binding.QtGui.QApplication import widgetAt [as 别名]
    def _widget_at(self, global_point):
        #print '_widget_at()', global_point#, local_point
        widget = QApplication.widgetAt(global_point)
        #print '- widget', widget, (widget.objectName() if widget is not None else '')
        root_main_window = self._container_manager.get_root_main_window()

        # work around bug where root main window is detected when point is near but not inside it
        if widget == root_main_window and not self._widget_contains(root_main_window, global_point):
            #print '- work around to large root main window'
            widget = None

        # work around bug where dock widget is floating and no widget is found
        if widget is None and self.isFloating():
            # determine all main windows which match the point
            overlapping = {}
            for main_window in self._main_windows:
                if self._widget_contains(main_window, global_point):
                    parent = main_window.parent()
                    is_floating = parent is None or parent.isFloating()
                    overlapping[main_window] = is_floating
            #print 'overlapping', overlapping

            if len(overlapping) == 1:
                # only found one candidate so pick it
                widget, _ = overlapping.popitem()
            elif len(overlapping) > 1:
                # try to determine which main window is the right one
                # determined docked main windows
                overlapping_docked = [mw for mw, floating in overlapping.iteritems() if not floating]
                #print 'overlapping_docked', overlapping_docked

                # if at max one of the main windows is floating
                if len(overlapping_docked) >= len(overlapping) - 1:
                    # the floating main window is not considered because the docked ones are children of it

                    # consider all docked main windows and remove parent if both parent and child are in the list
                    #print 'considered docked main windows', overlapping_docked
                    parents = []
                    for mw1 in overlapping_docked:
                        # parent of the main window is a dock widget container
                        parent = mw1.parent()
                        if parent is None:
                            continue
                        # parent of the dock widget container is a main window
                        parent = parent.parent()
                        if parent is None:
                            continue
                        for mw2 in overlapping_docked:
                            if mw2 == parent:
                                parents.append(mw2)
                    for parent in parents:
                        overlapping_docked.remove(parent)
                    #print 'considered non-parent main windows', overlapping_docked

                    # if only one docked main window is found then pick it
                    if len(overlapping_docked) == 1:
                        #print '- pick single remaining main window'
                        widget = overlapping_docked[0]
                    else:
                        #print '- found multiple main windows - could not determine which one is on top'
                        pass
                # TODO any more heuristic possible?
                # if all remaining docked main windows have a most common ancestor use the order of children() to determine topmost
        return widget
开发者ID:ethz-asl,项目名称:qt_gui_core,代码行数:66,代码来源:dock_widget.py


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