Long live Qt 4.5!

1 files changed, 197 insertions, 0 deletions

diff --git a/src/gui/kernel/qeventdispatcher_mac_p.h b/src/gui/kernel/qeventdispatcher_mac_p.h
new file mode 100644
index 0000000..455d423
--- /dev/null
+++ b/src/gui/kernel/qeventdispatcher_mac_p.h
@@ -0,0 +1,197 @@
+/****************************************************************************
+**
+** 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