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75
76#ifndef QEVENTDISPATCHER_MAC_P_H
77#define QEVENTDISPATCHER_MAC_P_H
78
79//
80// W A R N I N G
81// -------------
82//
83// This file is not part of the Qt API. It exists purely as an
84// implementation detail. This header file may change from version to
85// version without notice, or even be removed.
86//
87// We mean it.
88//
89
90#include <QtGui/qwindowdefs.h>
91#include <QtCore/qhash.h>
92#include <QtCore/qstack.h>
93#include "private/qabstracteventdispatcher_p.h"
94#include "private/qt_mac_p.h"
95
96QT_BEGIN_NAMESPACE
97
98#ifdef QT_MAC_USE_COCOA
99typedef struct _NSModalSession *NSModalSession;
100typedef struct _QCocoaModalSessionInfo {
101 QPointer<QWidget> widget;
102 NSModalSession session;
103 void *nswindow;
104} QCocoaModalSessionInfo;
105#endif
106
107class QEventDispatcherMacPrivate;
108
109class QEventDispatcherMac : public QAbstractEventDispatcher
110{
111 Q_OBJECT
112 Q_DECLARE_PRIVATE(QEventDispatcherMac)
113
114public:
115 explicit QEventDispatcherMac(QObject *parent = 0);
116 ~QEventDispatcherMac();
117
118 bool processEvents(QEventLoop::ProcessEventsFlags flags);
119 bool hasPendingEvents();
120
121 void registerSocketNotifier(QSocketNotifier *notifier);
122 void unregisterSocketNotifier(QSocketNotifier *notifier);
123
124 void registerTimer(int timerId, int interval, QObject *object);
125 bool unregisterTimer(int timerId);
126 bool unregisterTimers(QObject *object);
127 QList<TimerInfo> registeredTimers(QObject *object) const;
128
129 void wakeUp();
130 void flush();
131 void interrupt();
132
133private:
134 friend void qt_mac_select_timer_callbk(__EventLoopTimer*, void*);
135 friend class QApplicationPrivate;
136};
137
138struct MacTimerInfo {
139 int id;
140 int interval;
141 QObject *obj;
142 bool pending;
143 CFRunLoopTimerRef runLoopTimer;
144 bool operator==(const MacTimerInfo &other)
145 {
146 return (id == other.id);
147 }
148};
149typedef QHash<int, MacTimerInfo *> MacTimerHash;
150
151struct MacSocketInfo {
152 MacSocketInfo() : socket(0), runloop(0), readNotifier(0), writeNotifier(0) {}
153 CFSocketRef socket;
154 CFRunLoopSourceRef runloop;
155 QObject *readNotifier;
156 QObject *writeNotifier;
157};
158typedef QHash<int, MacSocketInfo *> MacSocketHash;
159
160class QEventDispatcherMacPrivate : public QAbstractEventDispatcherPrivate
161{
162 Q_DECLARE_PUBLIC(QEventDispatcherMac)
163
164public:
165 QEventDispatcherMacPrivate();
166
167 static MacTimerHash macTimerHash;
168 // Set 'blockSendPostedEvents' to true if you _really_ need
169 // to make sure that qt events are not posted while calling
170 // low-level cocoa functions (like beginModalForWindow). And
171 // use a QBoolBlocker to be safe:
172 static bool blockSendPostedEvents;
173#ifdef QT_MAC_USE_COCOA
174 // The following variables help organizing modal sessions:
175 static QStack<QCocoaModalSessionInfo> cocoaModalSessionStack;
176 static bool currentExecIsNSAppRun;
177 static bool nsAppRunCalledByQt;
178 static bool cleanupModalSessionsNeeded;
179 static NSModalSession currentModalSessionCached;
180 static NSModalSession currentModalSession();
181 static void updateChildrenWorksWhenModal();
182 static void temporarilyStopAllModalSessions();
183 static void beginModalSession(QWidget *widget);
184 static void endModalSession(QWidget *widget);
185 static void cancelWaitForMoreEvents();
186 static void cleanupModalSessions();
187 static void ensureNSAppInitialized();
188#endif
189
190 MacSocketHash macSockets;
191 QList<void *> queuedUserInputEvents; // List of EventRef in Carbon, and NSEvent * in Cocoa
192 CFRunLoopSourceRef postedEventsSource;
193 CFRunLoopObserverRef waitingObserver;
194 CFRunLoopObserverRef firstTimeObserver;
195 QAtomicInt serialNumber;
196 int lastSerial;
197 static bool interrupt;
198private:
199 static Boolean postedEventSourceEqualCallback(const void *info1, const void *info2);
200 static void postedEventsSourcePerformCallback(void *info);
201 static void activateTimer(CFRunLoopTimerRef, void *info);
202 static void waitingObserverCallback(CFRunLoopObserverRef observer,
203 CFRunLoopActivity activity, void *info);
204 static void firstLoopEntry(CFRunLoopObserverRef ref, CFRunLoopActivity activity, void *info);
205};
206
207#ifdef QT_MAC_USE_COCOA
208class QtMacInterruptDispatcherHelp : public QObject
209{
210 static QtMacInterruptDispatcherHelp *instance;
211 bool cancelled;
212
213 QtMacInterruptDispatcherHelp();
214 ~QtMacInterruptDispatcherHelp();
215
216 public:
217 static void interruptLater();
218 static void cancelInterruptLater();
219};
220#endif
221
222QT_END_NAMESPACE
223
224#endif // QEVENTDISPATCHER_MAC_P_H
225

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