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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/kernel/qeventdispatcher_mac_p.h
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/****************************************************************************
+**
+** Copyright (c) 2007-2008, Apple, Inc.
+**
+** All rights reserved.
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are met:
+**
+** * Redistributions of source code must retain the above copyright notice,
+** this list of conditions and the following disclaimer.
+**
+** * Redistributions in binary form must reproduce the above copyright notice,
+** this list of conditions and the following disclaimer in the documentation
+** and/or other materials provided with the distribution.
+**
+** * Neither the name of Apple, Inc. nor the names of its contributors
+** may be used to endorse or promote products derived from this software
+** without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+** PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+** LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+****************************************************************************/
+
+#ifndef QEVENTDISPATCHER_MAC_P_H
+#define QEVENTDISPATCHER_MAC_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGui/qwindowdefs.h>
+#include <QtCore/qhash.h>
+#include <QtCore/qstack.h>
+#include "private/qabstracteventdispatcher_p.h"
+#include "private/qt_mac_p.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifdef QT_MAC_USE_COCOA
+typedef struct _NSModalSession *NSModalSession;
+typedef struct _QCocoaModalSessionInfo {
+ QPointer<QWidget> widget;
+ NSModalSession session;
+} QCocoaModalSessionInfo;
+#endif
+
+class QEventDispatcherMacPrivate;
+
+class QEventDispatcherMac : public QAbstractEventDispatcher
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QEventDispatcherMac)
+
+public:
+ explicit QEventDispatcherMac(QObject *parent = 0);
+ ~QEventDispatcherMac();
+
+ bool processEvents(QEventLoop::ProcessEventsFlags flags);
+ bool hasPendingEvents();
+
+ void registerSocketNotifier(QSocketNotifier *notifier);
+ void unregisterSocketNotifier(QSocketNotifier *notifier);
+
+ void registerTimer(int timerId, int interval, QObject *object);
+ bool unregisterTimer(int timerId);
+ bool unregisterTimers(QObject *object);
+ QList<TimerInfo> registeredTimers(QObject *object) const;
+
+ void wakeUp();
+ void flush();
+ void interrupt();
+
+private:
+ friend void qt_mac_select_timer_callbk(__EventLoopTimer*, void*);
+ friend class QApplicationPrivate;
+};
+
+struct MacTimerInfo {
+ int id;
+ int interval;
+ QObject *obj;
+ bool pending;
+ CFRunLoopTimerRef runLoopTimer;
+ bool operator==(const MacTimerInfo &other)
+ {
+ return (id == other.id);
+ }
+};
+typedef QHash<int, MacTimerInfo *> MacTimerHash;
+
+struct MacSocketInfo {
+ MacSocketInfo() : socket(0), runloop(0), readNotifier(0), writeNotifier(0) {}
+ CFSocketRef socket;
+ CFRunLoopSourceRef runloop;
+ QObject *readNotifier;
+ QObject *writeNotifier;
+};
+typedef QHash<int, MacSocketInfo *> MacSocketHash;
+
+class QEventDispatcherMacPrivate : public QAbstractEventDispatcherPrivate
+{
+ Q_DECLARE_PUBLIC(QEventDispatcherMac)
+
+public:
+ QEventDispatcherMacPrivate();
+
+ static MacTimerHash macTimerHash;
+ // Set 'blockSendPostedEvents' to true if you _really_ need
+ // to make sure that qt events are not posted while calling
+ // low-level cocoa functions (like beginModalForWindow). And
+ // use a QBoolBlocker to be safe:
+ static bool blockSendPostedEvents;
+#ifdef QT_MAC_USE_COCOA
+ // The following variables help organizing modal sessions:
+ static QStack<QCocoaModalSessionInfo> cocoaModalSessionStack;
+ static bool blockCocoaRequestModal;
+ static NSModalSession activeModalSession();
+ static void rebuildModalSessionStack(bool pop);
+#endif
+
+ MacSocketHash macSockets;
+ QList<void *> queuedUserInputEvents; // List of EventRef in Carbon, and NSEvent * in Cocoa
+ CFRunLoopSourceRef postedEventsSource;
+ CFRunLoopObserverRef waitingObserver;
+ QAtomicInt serialNumber;
+ int lastSerial;
+ bool interrupt;
+private:
+ static Boolean postedEventSourceEqualCallback(const void *info1, const void *info2);
+ static void postedEventsSourcePerformCallback(void *info);
+ static void activateTimer(CFRunLoopTimerRef, void *info);
+ static void waitingObserverCallback(CFRunLoopObserverRef observer,
+ CFRunLoopActivity activity, void *info);
+};
+
+QT_END_NAMESPACE
+
+#endif // QEVENTDISPATCHER_MAC_P_H