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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmacdefines_mac.h"
#include "qapplication.h"
#ifdef QT_MAC_USE_COCOA
#import <private/qcocoamenu_mac_p.h>
#import <private/qcocoamenuloader_mac_p.h>
#include <private/qt_cocoa_helpers_mac_p.h>
#include <private/qapplication_p.h>
#include <private/qaction_p.h>
#include <QtGui/QMenu>
QT_FORWARD_DECLARE_CLASS(QAction)
QT_FORWARD_DECLARE_CLASS(QWidget)
QT_FORWARD_DECLARE_CLASS(QApplication)
QT_FORWARD_DECLARE_CLASS(QCoreApplication)
QT_FORWARD_DECLARE_CLASS(QApplicationPrivate)
QT_FORWARD_DECLARE_CLASS(QKeyEvent)
QT_FORWARD_DECLARE_CLASS(QEvent)
QT_BEGIN_NAMESPACE
extern bool qt_sendSpontaneousEvent(QObject*, QEvent*); //qapplication.cpp
QT_END_NAMESPACE
QT_USE_NAMESPACE
@implementation QT_MANGLE_NAMESPACE(QCocoaMenu)
- (id)initWithQMenu:(QMenu*)menu
{
self = [super init];
if (self) {
qmenu = menu;
previousAction = 0;
[self setAutoenablesItems:NO];
[self setDelegate:self];
}
return self;
}
- (void)menu:(NSMenu*)menu willHighlightItem:(NSMenuItem*)item;
{
Q_UNUSED(menu);
if (!item) {
if (previousAction) {
qt_mac_clear_status_text(previousAction);
previousAction = 0;
}
return;
}
if (QAction *action = reinterpret_cast<QAction *>([item tag])) {
QMenu *qtmenu = static_cast<QT_MANGLE_NAMESPACE(QCocoaMenu) *>(menu)->qmenu;
previousAction = action;
action->activate(QAction::Hover);
qt_mac_menu_emit_hovered(qtmenu, action);
action->showStatusText(0); // 0 widget -> action's parent
}
}
- (void)menuWillOpen:(NSMenu*)menu;
{
while (QWidget *popup
= QApplication::activePopupWidget())
popup->close();
QMenu *qtmenu = static_cast<QT_MANGLE_NAMESPACE(QCocoaMenu) *>(menu)->qmenu;
qt_mac_emit_menuSignals(qtmenu, true);
qt_mac_menu_collapseSeparators(menu, qtmenu->separatorsCollapsible());
}
- (void)menuDidClose:(NSMenu*)menu;
{
qt_mac_emit_menuSignals(((QT_MANGLE_NAMESPACE(QCocoaMenu) *)menu)->qmenu, false);
if (previousAction) {
qt_mac_clear_status_text(previousAction);
previousAction = 0;
}
}
- (BOOL)hasShortcut:(NSMenu *)menu forKey:(NSString *)key forModifiers:(NSUInteger)modifier
whichItem:(NSMenuItem**)outItem
{
for (NSMenuItem *item in [menu itemArray]) {
if (![item isEnabled] || [item isHidden] || [item isSeparatorItem])
continue;
if ([item hasSubmenu]) {
if ([self hasShortcut:[item submenu]
forKey:key
forModifiers:modifier whichItem:outItem]) {
if (outItem)
*outItem = item;
return YES;
}
}
NSString *menuKey = [item keyEquivalent];
if (menuKey && NSOrderedSame == [menuKey compare:key]
&& (modifier == [item keyEquivalentModifierMask])) {
if (outItem)
*outItem = item;
return YES;
}
}
if (outItem)
*outItem = 0;
return NO;
}
- (BOOL)menuHasKeyEquivalent:(NSMenu *)menu forEvent:(NSEvent *)event target:(id *)target action:(SEL *)action
{
// Check if the menu actually has a keysequence defined for this key event.
// If it does, then we will first send the key sequence to the QWidget that has focus
// since (in Qt's eyes) it needs to a chance at the key event first. If the widget
// accepts the key event, we then return YES, but set the target and action to be nil,
// which means that the action should not be triggered, and instead dispatch the event ourselves.
// In every other case we return NO, which means that Cocoa can do as it pleases
// (i.e., fire the menu action).
NSMenuItem *whichItem;
if ([self hasShortcut:menu
forKey:[event characters]
forModifiers:([event modifierFlags] & NSDeviceIndependentModifierFlagsMask)
whichItem:&whichItem]) {
QWidget *widget = 0;
QAction *qaction = 0;
if (whichItem && [whichItem tag]) {
qaction = reinterpret_cast<QAction *>([whichItem tag]);
}
if (qApp->activePopupWidget())
widget = (qApp->activePopupWidget()->focusWidget() ?
qApp->activePopupWidget()->focusWidget() : qApp->activePopupWidget());
else if (QApplicationPrivate::focus_widget)
widget = QApplicationPrivate::focus_widget;
if (qaction && widget) {
int key = qaction->shortcut();
QKeyEvent accel_ev(QEvent::ShortcutOverride, (key & (~Qt::KeyboardModifierMask)),
Qt::KeyboardModifiers(key & Qt::KeyboardModifierMask));
accel_ev.ignore();
qt_sendSpontaneousEvent(widget, &accel_ev);
if (accel_ev.isAccepted()) {
if (qt_dispatchKeyEvent(event, widget)) {
*target = nil;
*action = nil;
return YES;
}
}
}
}
return NO;
}
@end
QT_BEGIN_NAMESPACE
extern int qt_mac_menus_open_count; // qmenu_mac.mm
void qt_mac_emit_menuSignals(QMenu *menu, bool show)
{
if (!menu)
return;
int delta;
if (show) {
emit menu->aboutToShow();
delta = 1;
} else {
emit menu->aboutToHide();
delta = -1;
}
qt_mac_menus_open_count += delta;
}
void qt_mac_clear_status_text(QAction *action)
{
action->d_func()->showStatusText(0, QString());
}
void qt_mac_menu_emit_hovered(QMenu *menu, QAction *action)
{
emit menu->hovered(action);
}
QT_END_NAMESPACE
#endif
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