static bool correctActionContext(Qt::ShortcutContext context, QAction *a, QWidget *active_window)
{
const QList<QWidget *> &widgets = static_cast<QActionPrivate *>(QObjectPrivate::get(a))->widgets;
#if defined(DEBUG_QSHORTCUTMAP)
if (widgets.isEmpty())
qDebug() << a << "not connected to any widgets; won't trigger";
#endif
for (int i = 0; i < widgets.size(); ++i) {
QWidget *w = widgets.at(i);
#ifndef QT_NO_MENU
if (QMenu *menu = qobject_cast<QMenu *>(w)) {
#ifdef Q_OS_MAC
// On Mac, menu item shortcuts are processed before reaching any window.
// That means that if a menu action shortcut has not been already processed
// (and reaches this point), then the menu item itself has been disabled.
// This occurs at the QPA level on Mac, where we disable all the Cocoa menus
// when showing a modal window. (Notice that only the QPA menu is disabled,
// not the QMenu.) Since we can also reach this code by climbing the menu
// hierarchy (see below), or when the shortcut is not a key-equivalent, we
// need to check whether the QPA menu is actually disabled.
QPlatformMenu *pm = menu->platformMenu();
if (!pm || !pm->isEnabled())
continue;
#endif
QAction *a = menu->menuAction();
if (correctActionContext(context, a, active_window))
return true;
} else
#endif
if (correctWidgetContext(context, w, active_window))
return true;
}
#ifndef QT_NO_GRAPHICSVIEW
const QList<QGraphicsWidget *> &graphicsWidgets = static_cast<QActionPrivate *>(QObjectPrivate::get(a))->graphicsWidgets;
#if defined(DEBUG_QSHORTCUTMAP)
if (graphicsWidgets.isEmpty())
qDebug() << a << "not connected to any widgets; won't trigger";
#endif
for (int i = 0; i < graphicsWidgets.size(); ++i) {
QGraphicsWidget *w = graphicsWidgets.at(i);
if (correctGraphicsWidgetContext(context, w, active_window))
return true;
}
#endif
return false;
}
static bool correctActionContext(Qt::ShortcutContext context, QAction *a, QWidget *active_window)
{
const QList<QWidget *> &widgets = static_cast<QActionPrivate *>(QObjectPrivate::get(a))->widgets;
#if defined(DEBUG_QSHORTCUTMAP)
if (widgets.isEmpty())
qDebug() << a << "not connected to any widgets; won't trigger";
#endif
for (int i = 0; i < widgets.size(); ++i) {
QWidget *w = widgets.at(i);
#ifndef QT_NO_MENU
if (QMenu *menu = qobject_cast<QMenu *>(w)) {
#ifdef Q_OS_MAC
// On Mac, menu item shortcuts are processed before reaching any window.
// That means that if a menu action shortcut has not been already processed
// (and reaches this point), then the menu item itself has been disabled.
// This occurs at the QPA level on Mac, were we disable all the Cocoa menus
// when showing a modal window.
Q_UNUSED(menu);
continue;
#else
QAction *a = menu->menuAction();
if (correctActionContext(context, a, active_window))
return true;
#endif
} else
#endif
if (correctWidgetContext(context, w, active_window))
return true;
}
#ifndef QT_NO_GRAPHICSVIEW
const QList<QGraphicsWidget *> &graphicsWidgets = static_cast<QActionPrivate *>(QObjectPrivate::get(a))->graphicsWidgets;
#if defined(DEBUG_QSHORTCUTMAP)
if (graphicsWidgets.isEmpty())
qDebug() << a << "not connected to any widgets; won't trigger";
#endif
for (int i = 0; i < graphicsWidgets.size(); ++i) {
QGraphicsWidget *w = graphicsWidgets.at(i);
if (correctGraphicsWidgetContext(context, w, active_window))
return true;
}
#endif
return false;
}
/*! \internal
Returns true if the widget \a w is a logical sub window of the current
top-level widget.
*/
bool qWidgetShortcutContextMatcher(QObject *object, Qt::ShortcutContext context)
{
Q_ASSERT_X(object, "QShortcutMap", "Shortcut has no owner. Illegal map state!");
QWidget *active_window = QApplication::activeWindow();
// popups do not become the active window,
// so we fake it here to get the correct context
// for the shortcut system.
if (QApplication::activePopupWidget())
active_window = QApplication::activePopupWidget();
if (!active_window)
return false;
#ifndef QT_NO_ACTION
if (QAction *a = qobject_cast<QAction *>(object))
return correctActionContext(context, a, active_window);
#endif
#ifndef QT_NO_GRAPHICSVIEW
if (QGraphicsWidget *gw = qobject_cast<QGraphicsWidget *>(object))
return correctGraphicsWidgetContext(context, gw, active_window);
#endif
QWidget *w = qobject_cast<QWidget *>(object);
if (!w) {
QShortcut *s = qobject_cast<QShortcut *>(object);
if (s)
w = s->parentWidget();
}
if (!w)
return false;
return correctWidgetContext(context, w, active_window);
}
static bool correctWidgetContext(Qt::ShortcutContext context, QWidget *w, QWidget *active_window)
{
bool visible = w->isVisible();
#ifdef Q_OS_MAC
if (!qApp->testAttribute(Qt::AA_DontUseNativeMenuBar) && qobject_cast<QMenuBar *>(w))
visible = true;
#endif
if (!visible || !w->isEnabled())
return false;
if (context == Qt::ApplicationShortcut)
return QApplicationPrivate::tryModalHelper(w, 0); // true, unless w is shadowed by a modal dialog
if (context == Qt::WidgetShortcut)
return w == QApplication::focusWidget();
if (context == Qt::WidgetWithChildrenShortcut) {
const QWidget *tw = QApplication::focusWidget();
while (tw && tw != w && (tw->windowType() == Qt::Widget || tw->windowType() == Qt::Popup))
tw = tw->parentWidget();
return tw == w;
}
// Below is Qt::WindowShortcut context
QWidget *tlw = w->window();
#ifndef QT_NO_GRAPHICSVIEW
if (QWExtra *topData = static_cast<QWidgetPrivate *>(QObjectPrivate::get(tlw))->extra) {
if (topData->proxyWidget) {
bool res = correctGraphicsWidgetContext(context, (QGraphicsWidget *)topData->proxyWidget, active_window);
return res;
}
}
#endif
/* if a floating tool window is active, keep shortcuts on the
* parent working */
if (active_window != tlw && active_window && active_window->windowType() == Qt::Tool && active_window->parentWidget()) {
active_window = active_window->parentWidget()->window();
}
if (active_window != tlw)
return false;
/* if we live in a MDI subwindow, ignore the event if we are
not the active document window */
const QWidget* sw = w;
while (sw && !(sw->windowType() == Qt::SubWindow) && !sw->isWindow())
sw = sw->parentWidget();
if (sw && (sw->windowType() == Qt::SubWindow)) {
QWidget *focus_widget = QApplication::focusWidget();
while (focus_widget && focus_widget != sw)
focus_widget = focus_widget->parentWidget();
return sw == focus_widget;
}
#if defined(DEBUG_QSHORTCUTMAP)
qDebug().nospace() << "..true [Pass-through]";
#endif
return true;
}
