I'm adding a bunch of QAction
s to my main window's menus. These actions can also be triggered by the keyboard, and I want the shortcut to be visible in the menu, as usual, e.g.
-----------------
|Copy Ctrl+C|
-----------------
I can do this using QAction.setShortcut()
. However, I don't want these QAction
s to be triggered by the shortcuts; I'm handling all keyboard input separately elsewhere.
Is this possible? Can I disable the shortcut in the QAction but still have the shortcut text (in this example Ctrl + C) in my menus?
EDIT: The way I ended up doing it is connecting to the menu's aboutToShow()
and aboutToHide()
events, and enabling/disabling the shortcuts so they are only active when the menu is shown. But I'd appreciate a cleaner solution...
You could inherit from QAction and override QAction::event(QEvent*):
class TriggerlessShortcutAction : public QAction
{
public:
...ctors...
protected:
virtual bool event(QEvent* e)
{
if (e->type() == QEvent::Shortcut)
return true;
else
return QAction::event(e);
}
};
This will cause any events of type QEvent::Shortcut sent to your actions to not trigger the 'triggered()' signals.
action.setText("Copy\tCtrl+C");
This will look like an action with a shortcut, but the shortcut is not actually installed.
Here is a full example:
#include <QtGui>
int main(int argc, char* argv[])
{
QApplication app(argc, argv);
QMainWindow win;
QMenu *menu = win.menuBar()->addMenu("Test");
// This action will show Ctrl+T but will not trigger when Ctrl+T is typed.
QAction *testAction = new QAction("Test\tCtrl+T", &win);
app.connect(testAction, SIGNAL(triggered(bool)), SLOT(quit()));
menu->addAction(testAction);
// This action will show Ctrl+K and will trigger when Ctrl+K is typed.
QAction *quitAction = new QAction("Quit", &win);
quitAction->setShortcut(Qt::ControlModifier + Qt::Key_K);
app.connect(quitAction, SIGNAL(triggered(bool)), SLOT(quit()));
menu->addAction(quitAction);
win.show();
return app.exec();
}
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