1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/****************************************************************************
**
** 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 currentExecIsNSAppRun;
static bool nsAppRunCalledByQt;
static NSModalSession currentModalSessionCached;
static void updateChildrenWorksWhenModal();
static NSModalSession currentModalSession();
static int activeModalSessionCount();
static void temporarilyStopAllModalSessions();
static void beginModalSession(QWidget *widget);
static void endModalSession(QWidget *widget);
#endif
MacSocketHash macSockets;
QList<void *> queuedUserInputEvents; // List of EventRef in Carbon, and NSEvent * in Cocoa
CFRunLoopSourceRef postedEventsSource;
CFRunLoopObserverRef waitingObserver;
CFRunLoopObserverRef firstTimeObserver;
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);
static void firstLoopEntry(CFRunLoopObserverRef ref, CFRunLoopActivity activity, void *info);
};
#ifdef QT_MAC_USE_COCOA
class QtMacInterruptDispatcherHelp : public QObject
{
static QtMacInterruptDispatcherHelp *instance;
bool cancelled;
QtMacInterruptDispatcherHelp();
~QtMacInterruptDispatcherHelp();
public:
static void interruptLater();
};
#endif
QT_END_NAMESPACE
#endif // QEVENTDISPATCHER_MAC_P_H
|
