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41 
42 #ifndef QWSDISPLAY_QWS_P_H
43 #define QWSDISPLAY_QWS_P_H
44 
45 //
46 //  W A R N I N G
47 //  -------------
48 //
49 // This file is not part of the Qt API.  It exists purely as an
50 // implementation detail.  This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "qwsdisplay_qws.h"
57 #include "qwssocket_qws.h"
58 #include "qwsevent_qws.h"
59 #include <private/qwssharedmemory_p.h>
60 #include "qwscommand_qws_p.h"
61 #include "qwslock_p.h"
62 
63 QT_BEGIN_NAMESPACE
64 
65 class QWSDisplay::Data
66 {
67 public:
68     Data(QObject* parent, bool singleProcess = false);
69     ~Data();
70 
71     void flush();
72 
73     bool queueNotEmpty();
74     QWSEvent *dequeue();
75     QWSEvent *peek();
76 
77     bool directServerConnection();
78     void fillQueue();
79 #ifndef QT_NO_QWS_MULTIPROCESS
80     void connectToPipe();
81     void waitForConnection();
82     void waitForPropertyReply();
83     void waitForRegionAck(int winId);
84     void waitForRegionEvents(int winId, bool ungrabDisplay);
85     bool hasPendingRegionEvents() const;
86 #endif
87     void waitForCreation();
88 #ifndef QT_NO_COP
89     void waitForQCopResponse();
90 #endif
91     void init();
92     void reinit( const QString& newAppName );
93     void create(int n = 1);
94 
95     void flushCommands();
96     void sendCommand(QWSCommand & cmd);
97     void sendSynchronousCommand(QWSCommand & cmd);
98 
99     QWSEvent *readMore();
100 
101     int takeId();
102 
103     void setMouseFilter(void (*filter)(QWSMouseEvent*));
104 
105     //####public data members
106 
107 //    QWSRegionManager *rgnMan;
108     uchar *sharedRam;
109 #ifndef QT_NO_QWS_MULTIPROCESS
110     QWSSharedMemory shm;
111 #endif
112     int sharedRamSize;
113 
114 #ifndef QT_NO_QWS_MULTIPROCESS
115     static QWSLock *clientLock;
116 
117     static bool lockClient(QWSLock::LockType, int timeout = -1);
118     static void unlockClient(QWSLock::LockType);
119     static bool waitClient(QWSLock::LockType, int timeout = -1);
120     static QWSLock* getClientLock();
121 #endif // QT_NO_QWS_MULTIPROCESS
122 
123 private:
124 #ifndef QT_NO_QWS_MULTIPROCESS
125     QWSSocket *csocket;
126 #endif
127     QList<QWSEvent*> queue;
128 
129 #if 0
130     void debugQueue() {
131             for (int i = 0; i < queue.size(); ++i) {
132                 QWSEvent *e = queue.at(i);
133                 qDebug( "   ev %d type %d sl %d rl %d", i, e->type, e->simpleLen, e->rawLen);
134             }
135     }
136 #endif
137 
138     QWSConnectedEvent* connected_event;
139     QWSMouseEvent* mouse_event;
140     int region_events_count;
141     int mouse_state;
142     int mouse_winid;
143     QPoint region_offset;
144     int region_offset_window;
145 #ifndef QT_NO_COP
146     QWSQCopMessageEvent *qcop_response;
147 #endif
148     QWSEvent* current_event;
149     QList<int> unused_identifiers;
150 #ifdef QAPPLICATION_EXTRA_DEBUG
151     int mouse_event_count;
152 #endif
153     void (*mouseFilter)(QWSMouseEvent *);
154 
155     enum { VariableEvent=-1 };
156 
157 };
158 
159 QT_END_NAMESPACE
160 
161 #endif // QWSDISPLAY_QWS_P_H
162