1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. 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These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 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