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Window flags are a mixture of a type (e.g. Qt::Dialog) and zero or more hints to the window system (e.g. Qt::FramelessWindowHint). On Windows, Qt can set no matter flags you need. If you would like to make sure that the window is stacked on high as properly you must also name elevate(). Use grabMouse() if you wish to seize that. If isVisible() returns false for a widget, that widget can't name grabMouse(). Note: On Windows, grabMouse() only works when the mouse is inside a window owned by the method. Warning: Calling resize() or setGeometry() inside resizeEvent() can lead to infinite recursion. The replace() function by no means causes recursion. Warning: Calling setGeometry() inside resizeEvent() or moveEvent() can lead to infinite recursion. For example, when getting into a Qt Quick primarily based window with tab focus, it is quite probably that further tab presses will solely cycle inside the QML utility. Tab), event() calls keyPressEvent(). You may reimplement this function in a subclass, however we recommend utilizing one of the specialised event handlers instead. Nonetheless, in the event you name setWindowModified(false) on a widget, this is not going to propagate to its mum or dad because different children of the father or mother might need been modified. This is predicted to enhance as window supervisor protocols evolve. Applications with many native baby home windows may endure from efficiency points. Adds a shortcut to Qt's shortcut system that watches for the given key sequence in the given context. The default implementation closes popup widgets if the user presses the key sequence for QKeySequence::Cancel (usually the Escape key). If the same key sequence has been grabbed by several widgets, when the important thing sequence occurs a QEvent::Shortcut event is sent to all the widgets to which it applies in a non-deterministic order, but with the ``ambiguous'' flag set to true. The true case happens if neither the widget itself nor any parent as much as however excluding ancestor has been explicitly hidden. Returns true if this widget would grow to be enabled if ancestor is enabled; otherwise returns false. See also setEnabled() and enabled. The default coverage is Most well-liked/Most well-liked, which implies that the widget may be freely resized, however prefers to be the scale sizeHint() returns.
