How to override default shortcuts in Qt

Question

I have a widget which can contain one or more QTableView child widgets. By default, when I select a range in one of QTableViews and hit crtl+c only the leftmost uppermost cell gets copied to the clipboard. I would like to copy the entire range, so I implemented a copy() slot which does the job. I would like the copy slot to be accessible both from a context menu (when the user makes a selection and right clics the corresponding QTableView) and by the ctrl+c shortcut.

class Widget { Q_OBJECT public: void setupContextMenu(); private: QMenu* contextMenu_; QAction* copyAction_; QTableView* tableView_; private slots: void copy(); } void Widget::setupContextMenu() { contextMenu_ = new QMenu(this); copyAction_ = contextMenu_->addAction("&Copy"); copyAction_->setShortcut(QKeySequence::Copy); connect(copyAction_, SIGNAL(triggered()), this, SLOT(copy())); }

When I select a range and right click, the appropriate context menu pops up and it even contains the name of the shortcut. When I click the "Copy" action in the context menu, the copy() slot gets executed. However the ctrl+c shortcut just copies only the leftmost uppermost cell in the selection as before. Also, the copy() slot does not get executed.

How can I repair this?

Stephen Chu · Accepted Answer · 2012-08-07 04:34:10Z

3

I am not sure but maybe shortcut key doesn't work with contextual menus in Qt?

The handling of copy shortcut happens in QAbstractItemView::keyPressEvent(). You can install an event filter to your QTableView watching for KeyPress event and handle your copy there.

answered Aug 7, 2012 at 4:34

Stephen Chu

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2 Comments

Martin Drozdik Over a year ago

Thank you, I am trying it now

Martin Drozdik Over a year ago

Hmmm, but the thing that is bogging me is that the copyAction_ should have nothing to do with a context menu. Sure it belongs to one, but that should not impede it from being triggered by a key sequence.

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