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/****************************************************************************
**
** Copyright (C) 2012 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author James Turner <james.turner@kdab.com>
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <Cocoa/Cocoa.h>
#include "qcocoamenubar.h"
#include "qcocoawindow.h"
#include "qcocoamenuloader.h"
#include "qcocoaapplication.h" // for custom application category
#include "qcocoaautoreleasepool.h"
#include <QtGui/QGuiApplication>
#include <QtCore/QDebug>
static QList<QCocoaMenuBar*> static_menubars;
static inline QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *getMenuLoader()
{
return [NSApp QT_MANGLE_NAMESPACE(qt_qcocoamenuLoader)];
}
QCocoaMenuBar::QCocoaMenuBar() :
m_window(0)
{
static_menubars.append(this);
m_nativeMenu = [[NSMenu alloc] init];
#ifdef QT_COCOA_ENABLE_MENU_DEBUG
qDebug() << "Construct QCocoaMenuBar" << this << m_nativeMenu;
#endif
}
QCocoaMenuBar::~QCocoaMenuBar()
{
#ifdef QT_COCOA_ENABLE_MENU_DEBUG
qDebug() << "~QCocoaMenuBar" << this;
#endif
[m_nativeMenu release];
static_menubars.removeOne(this);
if (m_window)
m_window->setMenubar(0);
}
void QCocoaMenuBar::insertMenu(QPlatformMenu *platformMenu, QPlatformMenu *before)
{
QCocoaMenu *menu = static_cast<QCocoaMenu *>(platformMenu);
QCocoaMenu *beforeMenu = static_cast<QCocoaMenu *>(before);
#ifdef QT_COCOA_ENABLE_MENU_DEBUG
qDebug() << "QCocoaMenuBar" << this << "insertMenu" << menu << "before" << before;
#endif
Q_ASSERT(!m_menus.contains(menu));
if (beforeMenu) {
Q_ASSERT(m_menus.contains(beforeMenu));
m_menus.insert(m_menus.indexOf(beforeMenu), menu);
NSUInteger nativeIndex = [m_nativeMenu indexOfItem:beforeMenu->nsMenuItem()];
[m_nativeMenu insertItem: menu->nsMenuItem() atIndex: nativeIndex];
} else {
m_menus.append(menu);
[m_nativeMenu addItem: menu->nsMenuItem()];
}
[m_nativeMenu setSubmenu: menu->nsMenu() forItem: menu->nsMenuItem()];
}
void QCocoaMenuBar::removeMenu(QPlatformMenu *platformMenu)
{
QCocoaMenu *menu = static_cast<QCocoaMenu *>(platformMenu);
Q_ASSERT(m_menus.contains(menu));
m_menus.removeOne(menu);
NSUInteger realIndex = [m_nativeMenu indexOfItem:menu->nsMenuItem()];
[m_nativeMenu removeItemAtIndex: realIndex];
}
void QCocoaMenuBar::syncMenu(QPlatformMenu *menu)
{
Q_UNUSED(menu);
}
void QCocoaMenuBar::handleReparent(QWindow *newParentWindow)
{
#ifdef QT_COCOA_ENABLE_MENU_DEBUG
qDebug() << "QCocoaMenuBar" << this << "handleReparent" << newParentWindow;
#endif
if (m_window)
m_window->setMenubar(NULL);
if (newParentWindow == NULL) {
m_window = NULL;
} else {
m_window = static_cast<QCocoaWindow*>(newParentWindow->handle());
m_window->setMenubar(this);
}
updateMenuBarImmediately();
}
QCocoaWindow *QCocoaMenuBar::findWindowForMenubar()
{
if (qApp->focusWindow())
return static_cast<QCocoaWindow*>(qApp->focusWindow()->handle());
return NULL;
}
QCocoaMenuBar *QCocoaMenuBar::findGlobalMenubar()
{
foreach (QCocoaMenuBar *mb, static_menubars) {
if (mb->m_window == NULL)
return mb;
}
return NULL;
}
void QCocoaMenuBar::updateMenuBarImmediately()
{
QCocoaAutoReleasePool pool;
QCocoaMenuBar *mb = findGlobalMenubar();
QCocoaWindow *cw = findWindowForMenubar();
if (cw && cw->menubar())
mb = cw->menubar();
if (!mb)
return;
#ifdef QT_COCOA_ENABLE_MENU_DEBUG
qDebug() << "QCocoaMenuBar" << "updateMenuBarImmediately" << cw;
#endif
bool disableForModal = mb->shouldDisable(cw);
// force a sync?
foreach (QCocoaMenu *m, mb->m_menus) {
mb->syncMenu(m);
m->syncModalState(disableForModal);
}
QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
[loader ensureAppMenuInMenu:mb->nsMenu()];
NSMutableSet *mergedItems = [[NSMutableSet setWithCapacity:0] retain];
foreach (QCocoaMenuItem *m, mb->merged()) {
[mergedItems addObject:m->nsItem()];
m->syncMerged();
}
// hide+disable all mergeable items we're not currently using
for (NSMenuItem *mergeable in [loader mergeable]) {
if (![mergedItems containsObject:mergeable]) {
[mergeable setHidden:YES];
[mergeable setEnabled:NO];
}
}
[mergedItems release];
[NSApp setMainMenu:mb->nsMenu()];
[loader qtTranslateApplicationMenu];
}
QList<QCocoaMenuItem*> QCocoaMenuBar::merged() const
{
QList<QCocoaMenuItem*> r;
foreach (QCocoaMenu* menu, m_menus)
r.append(menu->merged());
return r;
}
bool QCocoaMenuBar::shouldDisable(QCocoaWindow *active) const
{
if (active && (active->window()->windowModality() == Qt::NonModal))
return false;
if (m_window == active) {
// modal window owns us, we should be enabled!
return false;
}
QWindowList topWindows(qApp->topLevelWindows());
// When there is an application modal window on screen, the entries of
// the menubar should be disabled. The exception in Qt is that if the
// modal window is the only window on screen, then we enable the menu bar.
foreach (QWindow *w, topWindows) {
if (w->isVisible() && w->windowModality() == Qt::ApplicationModal) {
// check for other visible windows
foreach (QWindow *other, topWindows) {
if ((w != other) && (other->isVisible())) {
// INVARIANT: we found another visible window
// on screen other than our modalWidget. We therefore
// disable the menu bar to follow normal modality logic:
return true;
}
}
// INVARIANT: We have only one window on screen that happends
// to be application modal. We choose to enable the menu bar
// in that case to e.g. enable the quit menu item.
return false;
}
}
return true;
}
QPlatformMenu *QCocoaMenuBar::menuForTag(quintptr tag) const
{
foreach (QCocoaMenu *menu, m_menus) {
if (menu->tag() == tag)
return menu;
}
return 0;
}
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