[Qt-interest] QShortCut and QMenu

[Антон Сердюков]

Try to use QWidget::addAction and QWidget::setContextMenuPolicy

Action's shortcut works only for added actions (toolbar, main menu, widget)

2009/2/22, Josh <jnfo-c at grauman.com>:
> Hello,
>
> This should be simple, but I haven't figured it out yet. I'm trying to get
> Shortcuts to work from within a context menu. The following code is a
> complete minimal example. The menu shows up fine when you right click the
> TextEdit and the menu1() function gets called, but the ShortCut key
> combination (Ctrl+Y) doesn't do anything. What am I missing? Thanks.
>
> In addition, if there is documentation that helps me understand how key
> presses 'travel' through Qt, that would be helpful. I'm not sure what
> order events pass through the system (Ie. with reference to event filters,
> reimplementing keyPressEvent functions, shortcut keys, etc. for parent and
> child widgets, the main app, ...)
>
> Josh
>
>
>
> #include <QMenu>
> #include <QApplication>
> #include <QTextEdit>
> #include <QContextMenuEvent>
>
> class TextEdit : public QTextEdit
> {
>      Q_OBJECT
>
> public:
>      TextEdit(QWidget *parent =0);
>      ~TextEdit(void);
>
> protected:
>      void contextMenuEvent(QContextMenuEvent *event);
>
> private:
>      QMenu *menu;
>
> private slots:
>      void menu1(void);
> };
>
> TextEdit::TextEdit(QWidget *parent) : QTextEdit(parent)
> {
>    menu=new QMenu(this);
>    menu->addAction("My Menu Item1", this,
> SLOT(menu1()),QKeySequence(Qt::CTRL + Qt::Key_Y));
> }
>
> TextEdit::~TextEdit(void)
> {
>    delete menu;
> }
>
> void TextEdit::menu1(void)
> {
>    printf("Menu Activated\n");
> }
>
> void TextEdit::contextMenuEvent(QContextMenuEvent *event)
> {
>    menu->exec(event->globalPos());
> }
>
> int main(int argc, char *argv[])
> {
>    QApplication app(argc, argv);
>    TextEdit *te = new TextEdit;
>    te->show();
>    return app.exec();
> }
>
> #include "main.moc"
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-- 
Regards,
Anthony