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| 20 | <font color="#004faf">Home</font></a>
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| 22 | <font color="#004faf">All Classes</font></a>
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| 23 | | <a href="mainclasses.html">
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| 24 | <font color="#004faf">Main Classes</font></a>
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| 26 | <font color="#004faf">Annotated</font></a>
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| 28 | <font color="#004faf">Grouped Classes</font></a>
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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qapplication.h</h1>
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| 33 |
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| 34 | <p>This is the verbatim text of the qapplication.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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| 35 | <hr>
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| 36 | <pre>
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| 37 | /****************************************************************************
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| 38 | ** $Id: qapplication-h.html 2051 2007-02-21 10:04:20Z chehrlic $
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| 39 | **
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| 40 | ** Definition of QApplication class
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| 41 | **
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| 42 | ** Created : 931107
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| 43 | **
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| 44 | ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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| 45 | **
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| 46 | ** This file is part of the kernel module of the Qt GUI Toolkit.
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| 47 | **
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| 48 | ** This file may be distributed under the terms of the Q Public License
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| 49 | ** as defined by Trolltech ASA of Norway and appearing in the file
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| 50 | ** LICENSE.QPL included in the packaging of this file.
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| 51 | **
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| 52 | ** This file may be distributed and/or modified under the terms of the
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| 53 | ** GNU General Public License version 2 as published by the Free Software
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| 54 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 55 | ** packaging of this file.
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| 56 | **
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| 57 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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| 58 | ** licenses may use this file in accordance with the Qt Commercial License
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| 59 | ** Agreement provided with the Software.
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| 60 | **
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| 61 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 62 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 63 | **
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| 64 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 65 | ** information about Qt Commercial License Agreements.
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| 66 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 67 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 68 | **
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| 69 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 70 | ** not clear to you.
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| 71 | **
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| 72 | **********************************************************************/
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| 73 |
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| 74 | #ifndef QAPPLICATION_H
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| 75 | #define QAPPLICATION_H
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| 76 |
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| 77 | #ifndef QT_H
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| 78 | #include "qdesktopwidget.h"
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| 79 | #include "qasciidict.h"
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| 80 | #include "qpalette.h"
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| 81 | #include "qtranslator.h"
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| 82 | #include "qstrlist.h"
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| 83 | #include "qstringlist.h"
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| 84 | #endif // QT_H
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| 85 |
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| 86 | class QSessionManager;
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| 87 | class QStyle;
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| 88 | class QTranslator;
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| 89 | class QEventLoop;
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| 90 | #if defined(Q_WS_QWS)
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| 91 | class QWSDecoration;
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| 92 | #endif
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| 93 |
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| 94 | #ifdef QT_THREAD_SUPPORT
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| 95 | class QMutex;
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| 96 | #endif // QT_THREAD_SUPPORT
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| 97 |
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| 98 |
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| 99 | class QApplication;
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| 100 | extern Q_EXPORT QApplication *qApp; // global application object
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| 101 |
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| 102 |
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| 103 | class Q_EXPORT QApplication : public QObject
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| 104 | {
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| 105 | Q_OBJECT
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| 106 | public:
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| 107 | QApplication( int &argc, char **argv );
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| 108 | QApplication( int &argc, char **argv, bool GUIenabled );
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| 109 | enum Type { Tty, GuiClient, GuiServer };
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| 110 | QApplication( int &argc, char **argv, Type );
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| 111 | #if defined(Q_WS_X11)
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| 112 | QApplication( Display* dpy, HANDLE visual = 0, HANDLE cmap = 0 );
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| 113 | QApplication( Display *dpy, int argc, char **argv,
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| 114 | HANDLE visual = 0, HANDLE cmap= 0 );
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| 115 | #endif
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| 116 | virtual ~QApplication();
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| 117 |
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| 118 | int argc() const;
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| 119 | char **argv() const;
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| 120 |
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| 121 | Type type() const;
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| 122 |
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| 123 | #ifndef QT_NO_STYLE
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| 124 | static QStyle &style();
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| 125 | static void setStyle( QStyle* );
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| 126 | static QStyle* setStyle( const QString& );
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| 127 | #endif
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| 128 | #ifndef Q_QDOC
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| 129 | enum ColorMode { NormalColors, CustomColors };
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| 130 | static ColorMode colorMode();
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| 131 | static void setColorMode( QApplication::ColorMode );
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| 132 | #endif
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| 133 |
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| 134 | enum ColorSpec { NormalColor=0, CustomColor=1, ManyColor=2 };
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| 135 | static int colorSpec();
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| 136 | static void setColorSpec( int );
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| 137 | #ifndef QT_NO_CURSOR
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| 138 | static QCursor *overrideCursor();
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| 139 | static void setOverrideCursor( const QCursor &, bool replace=FALSE );
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| 140 | static void restoreOverrideCursor();
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| 141 | #endif
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| 142 | static bool hasGlobalMouseTracking();
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| 143 | static void setGlobalMouseTracking( bool enable );
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| 144 | #ifndef QT_NO_PALETTE
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| 145 | static QPalette palette( const QWidget* = 0 );
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| 146 | static void setPalette( const QPalette &, bool informWidgets=FALSE,
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| 147 | const char* className = 0 );
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| 148 | #endif
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| 149 | static QFont font( const QWidget* = 0 );
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| 150 | static void setFont( const QFont &, bool informWidgets=FALSE,
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| 151 | const char* className = 0 );
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| 152 | static QFontMetrics fontMetrics();
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| 153 |
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| 154 | QWidget *mainWidget() const;
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| 155 | virtual void setMainWidget( QWidget * );
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| 156 | virtual void polish( QWidget * );
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| 157 |
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| 158 | static QWidgetList *allWidgets();
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| 159 | static QWidgetList *topLevelWidgets();
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| 160 |
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| 161 | static QDesktopWidget *desktop();
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| 162 |
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| 163 | static QWidget *activePopupWidget();
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| 164 | static QWidget *activeModalWidget();
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| 165 | #ifndef QT_NO_CLIPBOARD
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| 166 | static QClipboard *clipboard();
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| 167 | #endif
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| 168 | QWidget *focusWidget() const;
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| 169 | QWidget *activeWindow() const;
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| 170 |
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| 171 | static QWidget *widgetAt( int x, int y, bool child=FALSE );
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| 172 | static QWidget *widgetAt( const QPoint &, bool child=FALSE );
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| 173 |
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| 174 | static QEventLoop *eventLoop();
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| 175 |
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| 176 | int exec();
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| 177 | void processEvents();
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| 178 | void processEvents( int maxtime );
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| 179 | void processOneEvent();
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| 180 | bool hasPendingEvents();
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| 181 | int enter_loop();
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| 182 | void exit_loop();
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| 183 | int loopLevel() const;
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| 184 | static void exit( int retcode=0 );
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| 185 |
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| 186 | static bool sendEvent( QObject *receiver, QEvent *event );
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| 187 | static void postEvent( QObject *receiver, QEvent *event );
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| 188 | static void sendPostedEvents( QObject *receiver, int event_type );
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| 189 | static void sendPostedEvents();
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| 190 |
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| 191 | static void removePostedEvents( QObject *receiver );
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| 192 |
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| 193 | virtual bool notify( QObject *, QEvent * );
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| 194 |
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| 195 | static bool startingUp();
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| 196 | static bool closingDown();
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| 197 |
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| 198 | static void flushX();
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| 199 | static void flush();
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| 200 | static void syncX();
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| 201 |
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| 202 | static void beep();
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| 203 |
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| 204 | #ifndef QT_NO_TRANSLATION
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| 205 | # ifndef QT_NO_TEXTCODEC
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| 206 | void setDefaultCodec( QTextCodec * );
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| 207 | QTextCodec* defaultCodec() const;
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| 208 | # endif
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| 209 | void installTranslator( QTranslator * );
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| 210 | void removeTranslator( QTranslator * );
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| 211 | #endif
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| 212 | enum Encoding { DefaultCodec, UnicodeUTF8 };
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| 213 | QString translate( const char * context,
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| 214 | const char * key,
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| 215 | const char * comment = 0,
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| 216 | Encoding encoding = DefaultCodec ) const;
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| 217 | #ifndef QT_NO_DIR
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| 218 | QString applicationDirPath();
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| 219 | QString applicationFilePath();
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| 220 | #endif
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| 221 | #ifndef QT_NO_PALETTE
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| 222 | // obsolete functions
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| 223 | static void setWinStyleHighlightColor( const QColor &c ) {
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| 224 | QPalette p( palette() );
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| 225 | p.setColor( QColorGroup::Highlight, c );
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| 226 | setPalette( p, TRUE);
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| 227 | }
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| 228 | static const QColor &winStyleHighlightColor() {
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| 229 | return palette().active().highlight();
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| 230 | }
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| 231 | #endif
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| 232 | static void setDesktopSettingsAware( bool );
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| 233 | static bool desktopSettingsAware();
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| 234 |
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| 235 | static void setCursorFlashTime( int );
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| 236 | static int cursorFlashTime();
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| 237 |
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| 238 | static void setDoubleClickInterval( int );
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| 239 | static int doubleClickInterval();
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| 240 | #ifndef QT_NO_WHEELEVENT
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| 241 | static void setWheelScrollLines( int );
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| 242 | static int wheelScrollLines();
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| 243 | #endif
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| 244 | static void setGlobalStrut( const QSize & );
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| 245 | static QSize globalStrut();
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| 246 |
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| 247 | #ifndef QT_NO_COMPONENT
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| 248 | static void setLibraryPaths( const QStringList & );
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| 249 | static QStringList libraryPaths();
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| 250 | static void addLibraryPath( const QString & );
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| 251 | static void removeLibraryPath( const QString & );
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| 252 | #endif // QT_NO_COMPONENT
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| 253 | static void setStartDragTime( int ms );
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| 254 | static int startDragTime();
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| 255 | static void setStartDragDistance( int l );
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| 256 | static int startDragDistance();
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| 257 |
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| 258 | static void setReverseLayout( bool b );
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| 259 | static bool reverseLayout();
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| 260 |
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| 261 | static int horizontalAlignment( int align );
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| 262 |
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| 263 | static bool isEffectEnabled( Qt::UIEffect );
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| 264 | static void setEffectEnabled( Qt::UIEffect, bool enable = TRUE );
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| 265 |
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| 266 | #if defined(Q_WS_MAC)
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| 267 | virtual bool macEventFilter( EventHandlerCallRef, EventRef );
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| 268 | #endif
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| 269 | #if defined(Q_WS_WIN)
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| 270 | virtual bool winEventFilter( MSG * );
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| 271 | #endif
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| 272 | #if defined(Q_WS_X11)
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| 273 | virtual bool x11EventFilter( XEvent * );
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| 274 | virtual int x11ClientMessage( QWidget*, XEvent*, bool passive_only);
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| 275 | int x11ProcessEvent( XEvent* );
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| 276 | #endif
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| 277 | #if defined(Q_WS_QWS)
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| 278 | virtual bool qwsEventFilter( QWSEvent * );
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| 279 | int qwsProcessEvent( QWSEvent* );
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| 280 | void qwsSetCustomColors( QRgb *colortable, int start, int numColors );
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| 281 | /*!
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| 282 | \internal
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| 283 | Returns true if the process is GUI server
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| 284 | */
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| 285 | bool qwsIsGUIServer();
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| 286 | #ifndef QT_NO_QWS_MANAGER
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| 287 | static QWSDecoration &qwsDecoration();
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| 288 | static void qwsSetDecoration( QWSDecoration *);
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| 289 | #endif
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| 290 | #endif
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| 291 |
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| 292 | #if defined(Q_OS_WIN32) || defined(Q_OS_CYGWIN)
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| 293 | static WindowsVersion winVersion();
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| 294 | #elif defined(Q_OS_MAC)
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| 295 | static MacintoshVersion macVersion();
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| 296 | #endif
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| 297 | #if defined(Q_WS_WIN)
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| 298 | void winFocus( QWidget *, bool );
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| 299 | static void winMouseButtonUp();
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| 300 | #endif
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| 301 |
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| 302 | #ifndef QT_NO_SESSIONMANAGER
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| 303 | // session management
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| 304 | bool isSessionRestored() const;
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| 305 | QString sessionId() const;
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| 306 | QString sessionKey() const;
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| 307 | virtual void commitData( QSessionManager& sm );
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| 308 | virtual void saveState( QSessionManager& sm );
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| 309 | #endif
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| 310 | #if defined(Q_WS_X11)
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| 311 | static void create_xim();
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| 312 | static void close_xim();
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| 313 | static bool x11_apply_settings();
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| 314 | #endif
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| 315 | void wakeUpGuiThread();
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| 316 | #if defined(QT_THREAD_SUPPORT)
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| 317 | void lock();
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| 318 | void unlock(bool wakeUpGui = TRUE);
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| 319 | bool locked();
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| 320 | bool tryLock();
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| 321 | #endif
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| 322 |
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| 323 | signals:
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| 324 | void lastWindowClosed();
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| 325 | void aboutToQuit();
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| 326 | void guiThreadAwake();
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| 327 |
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| 328 | public slots:
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| 329 | void quit();
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| 330 | void closeAllWindows();
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| 331 | void aboutQt();
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| 332 |
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| 333 | #if defined(Q_WS_QWS)
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| 334 | protected:
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| 335 | void setArgs(int, char **);
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| 336 | #endif
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| 337 |
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| 338 | protected:
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| 339 | bool event(QEvent *);
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| 340 |
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| 341 | private:
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| 342 | void construct( int &argc, char **argv, Type );
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| 343 | void initialize( int, char ** );
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| 344 | void init_precmdline();
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| 345 | void process_cmdline( int* argcptr, char ** argv );
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| 346 | bool internalNotify( QObject *, QEvent * );
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| 347 | #if defined(Q_WS_QWS)
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| 348 | static QWidget *findChildWidget( const QWidget *p, const QPoint &pos );
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| 349 | static QWidget *findWidget( const QObjectList&, const QPoint &, bool rec );
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| 350 | #endif
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| 351 |
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| 352 | #if defined(Q_WS_MAC)
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| 353 | bool do_mouse_down(Point *, bool *);
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| 354 | static QMAC_PASCAL OSStatus globalEventProcessor(EventHandlerCallRef, EventRef, void *);
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| 355 | static QMAC_PASCAL OSStatus globalAppleEventProcessor(const AppleEvent *, AppleEvent *, long);
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| 356 | static QMAC_PASCAL void qt_context_timer_callbk(EventLoopTimerRef, void *);
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| 357 | static QMAC_PASCAL void qt_select_timer_callbk(EventLoopTimerRef, void *);
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| 358 | static bool qt_mac_apply_settings();
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| 359 | friend class QMacInputMethod;
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| 360 | friend QMAC_PASCAL OSStatus qt_window_event(EventHandlerCallRef, EventRef, void *);
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| 361 | friend void qt_mac_update_os_settings();
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| 362 | friend bool qt_set_socket_handler( int, int, QObject *, bool);
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| 363 | friend void qt_mac_destroy_widget(QWidget *);
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| 364 | friend void qt_init(int *, char **, QApplication::Type);
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| 365 | #endif
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| 366 |
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| 367 | #ifdef QT_THREAD_SUPPORT
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| 368 | static QMutex *qt_mutex;
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| 369 | #endif // QT_THREAD_SUPPORT
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| 370 |
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| 371 | int app_argc;
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| 372 | char **app_argv;
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| 373 | bool quit_now;
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| 374 | int quit_code;
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| 375 | static QStyle *app_style;
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| 376 | static int app_cspec;
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| 377 | #ifndef QT_NO_PALETTE
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| 378 | static QPalette *app_pal;
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| 379 | #endif
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| 380 | static QFont *app_font;
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| 381 | #ifndef QT_NO_CURSOR
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| 382 | static QCursor *app_cursor;
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| 383 | #endif
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| 384 | static QEventLoop* eventloop;
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| 385 | static int app_tracking;
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| 386 | static bool is_app_running;
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| 387 | static bool is_app_closing;
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| 388 | static bool app_exit_loop;
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| 389 | static int loop_level;
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| 390 | static QWidget *main_widget;
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| 391 | static QWidget *focus_widget;
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| 392 | static QWidget *active_window;
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| 393 | static bool obey_desktop_settings;
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| 394 | static int cursor_flash_time;
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| 395 | static int mouse_double_click_time;
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| 396 | static int wheel_scroll_lines;
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| 397 | static int composedUnicode; // Value, meta-composed character
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| 398 |
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| 399 | static bool animate_ui;
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| 400 | static bool animate_menu;
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| 401 | static bool animate_tooltip;
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| 402 | static bool animate_combo;
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| 403 | static bool fade_menu;
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| 404 | static bool fade_tooltip;
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| 405 | static bool animate_toolbox;
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| 406 | static bool widgetCount; // Coupled with -widgetcount switch
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| 407 | static bool metaComposeUnicode;
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| 408 |
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| 409 | QValueList<QTranslator*> *translators;
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| 410 | #ifndef QT_NO_SESSIONMANAGER
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| 411 | QSessionManager *session_manager;
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| 412 | QString session_id;
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| 413 | static QString* session_key;
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| 414 | bool is_session_restored;
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| 415 | #endif
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| 416 | #if defined(Q_WS_X11) && !defined (QT_NO_STYLE )
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| 417 | static void x11_initialize_style();
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| 418 | #endif
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| 419 |
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| 420 | static QSize app_strut;
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| 421 | #ifndef QT_NO_COMPONENT
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| 422 | static QStringList *app_libpaths;
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| 423 | #endif
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| 424 | static QAsciiDict<QPalette> *app_palettes;
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| 425 | static QAsciiDict<QFont> *app_fonts;
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| 426 |
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| 427 | static QWidgetList *popupWidgets;
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| 428 | bool inPopupMode() const;
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| 429 | void closePopup( QWidget *popup );
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| 430 | void openPopup( QWidget *popup );
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| 431 | void setActiveWindow( QWidget* act );
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| 432 |
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| 433 | static bool sendSpontaneousEvent( QObject *receiver, QEvent *event );
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| 434 | static void removePostedEvent( QEvent * );
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| 435 |
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| 436 | friend class QWidget;
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| 437 | friend class QETWidget;
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| 438 | friend class QDialog;
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| 439 | friend class QAccelManager;
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| 440 | friend class QEvent;
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| 441 | friend class QTranslator;
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| 442 | friend class QEventLoop;
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| 443 | friend Q_EXPORT void qt_ucm_initialize( QApplication * );
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| 444 | #if defined(Q_WS_WIN)
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| 445 | friend bool qt_sendSpontaneousEvent( QObject*, QEvent* );
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| 446 | #endif
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| 447 | #if defined(Q_WS_QWS)
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| 448 | friend class QInputContext;
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| 449 | #endif
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| 450 | private: // Disabled copy constructor and operator=
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| 451 | #if defined(Q_DISABLE_COPY)
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| 452 | QApplication( const QApplication & );
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| 453 | QApplication &operator=( const QApplication & );
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| 454 | #endif
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| 455 | };
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| 456 |
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| 457 | inline int QApplication::argc() const
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| 458 | {
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| 459 | return app_argc;
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| 460 | }
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| 461 |
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| 462 | inline char **QApplication::argv() const
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| 463 | {
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| 464 | return app_argv;
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| 465 | }
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| 466 |
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| 467 | #if defined(Q_WS_QWS)
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| 468 | inline void QApplication::setArgs(int c, char **v)
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| 469 | {
|
|---|
| 470 | app_argc = c;
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| 471 | app_argv = v;
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|---|
| 472 | }
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|---|
| 473 | #endif
|
|---|
| 474 |
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| 475 | #ifndef QT_NO_CURSOR
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|---|
| 476 | inline QCursor *QApplication::overrideCursor()
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|---|
| 477 | {
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|---|
| 478 | return app_cursor;
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| 479 | }
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|---|
| 480 | #endif
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|---|
| 481 | inline bool QApplication::hasGlobalMouseTracking()
|
|---|
| 482 | {
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|---|
| 483 | return app_tracking > 0;
|
|---|
| 484 | }
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|---|
| 485 |
|
|---|
| 486 | inline QWidget *QApplication::mainWidget() const
|
|---|
| 487 | {
|
|---|
| 488 | return main_widget;
|
|---|
| 489 | }
|
|---|
| 490 |
|
|---|
| 491 | inline QWidget *QApplication::focusWidget() const
|
|---|
| 492 | {
|
|---|
| 493 | return focus_widget;
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | inline QWidget *QApplication::activeWindow() const
|
|---|
| 497 | {
|
|---|
| 498 | return active_window;
|
|---|
| 499 | }
|
|---|
| 500 |
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|---|
| 501 | inline QWidget *QApplication::widgetAt( const QPoint &p, bool child )
|
|---|
| 502 | {
|
|---|
| 503 | return widgetAt( p.x(), p.y(), child );
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | inline bool QApplication::inPopupMode() const
|
|---|
| 507 | {
|
|---|
| 508 | return popupWidgets != 0;
|
|---|
| 509 | }
|
|---|
| 510 | #ifndef QT_NO_SESSIONMANAGER
|
|---|
| 511 | inline bool QApplication::isSessionRestored() const
|
|---|
| 512 | {
|
|---|
| 513 | return is_session_restored;
|
|---|
| 514 | }
|
|---|
| 515 |
|
|---|
| 516 | inline QString QApplication::sessionId() const
|
|---|
| 517 | {
|
|---|
| 518 | return session_id;
|
|---|
| 519 | }
|
|---|
| 520 |
|
|---|
| 521 | inline QString QApplication::sessionKey() const
|
|---|
| 522 | {
|
|---|
| 523 | return session_key ? *session_key : QString::null;
|
|---|
| 524 | }
|
|---|
| 525 | #endif
|
|---|
| 526 | inline QSize QApplication::globalStrut()
|
|---|
| 527 | {
|
|---|
| 528 | return app_strut;
|
|---|
| 529 | }
|
|---|
| 530 |
|
|---|
| 531 | inline bool QApplication::sendEvent( QObject *receiver, QEvent *event )
|
|---|
| 532 | { if ( event ) event->spont = FALSE; return qApp ? qApp->notify( receiver, event ) : FALSE; }
|
|---|
| 533 |
|
|---|
| 534 | inline bool QApplication::sendSpontaneousEvent( QObject *receiver, QEvent *event )
|
|---|
| 535 | { if ( event ) event->spont = TRUE; return qApp ? qApp->notify( receiver, event ) : FALSE; }
|
|---|
| 536 |
|
|---|
| 537 | #ifdef QT_NO_TRANSLATION
|
|---|
| 538 | // Simple versions
|
|---|
| 539 | inline QString QApplication::translate( const char *, const char *sourceText,
|
|---|
| 540 | const char *, Encoding encoding ) const
|
|---|
| 541 | {
|
|---|
| 542 | #ifndef QT_NO_TEXTCODEC
|
|---|
| 543 | if ( encoding == UnicodeUTF8 )
|
|---|
| 544 | return QString::fromUtf8( sourceText );
|
|---|
| 545 | else
|
|---|
| 546 | #endif
|
|---|
| 547 | return QString::fromLatin1( sourceText );
|
|---|
| 548 | }
|
|---|
| 549 | #endif
|
|---|
| 550 |
|
|---|
| 551 | inline int QApplication::horizontalAlignment( int align )
|
|---|
| 552 | {
|
|---|
| 553 | align &= AlignHorizontal_Mask;
|
|---|
| 554 | if ( align == AlignAuto ) {
|
|---|
| 555 | if ( reverseLayout() )
|
|---|
| 556 | align = AlignRight;
|
|---|
| 557 | else
|
|---|
| 558 | align = AlignLeft;
|
|---|
| 559 | }
|
|---|
| 560 | return align;
|
|---|
| 561 | }
|
|---|
| 562 |
|
|---|
| 563 | #endif // QAPPLICATION_H
|
|---|
| 564 |
|
|---|
| 565 | </pre>
|
|---|
| 566 | <!-- eof -->
|
|---|
| 567 | <p><address><hr><div align=center>
|
|---|
| 568 | <table width=100% cellspacing=0 border=0><tr>
|
|---|
| 569 | <td>Copyright © 2007
|
|---|
| 570 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
|---|
| 571 | <td align=right><div align=right>Qt 3.3.8</div>
|
|---|
| 572 | </table></div></address></body>
|
|---|
| 573 | </html>
|
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