| 1 | /****************************************************************************
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| 2 | ** $Id: qapplication.h 76 2006-04-01 22:40:05Z dmik $
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| 3 | **
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| 4 | ** Definition of QApplication class
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| 5 | **
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| 6 | ** Created : 931107
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| 7 | **
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| 8 | ** Copyright (C) 1992-2002 Trolltech AS. All rights reserved.
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| 9 | **
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| 10 | ** This file is part of the kernel module of the Qt GUI Toolkit.
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| 11 | **
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| 12 | ** This file may be distributed under the terms of the Q Public License
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| 13 | ** as defined by Trolltech AS of Norway and appearing in the file
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| 14 | ** LICENSE.QPL included in the packaging of this file.
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| 15 | **
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| 16 | ** This file may be distributed and/or modified under the terms of the
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| 17 | ** GNU General Public License version 2 as published by the Free Software
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| 18 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 19 | ** packaging of this file.
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| 20 | **
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| 21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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| 22 | ** licenses may use this file in accordance with the Qt Commercial License
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| 23 | ** Agreement provided with the Software.
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| 24 | **
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| 25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 27 | **
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| 28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 29 | ** information about Qt Commercial License Agreements.
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| 30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 32 | **
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| 33 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 34 | ** not clear to you.
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| 35 | **
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| 36 | **********************************************************************/
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| 37 |
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| 38 | #ifndef QAPPLICATION_H
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| 39 | #define QAPPLICATION_H
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| 40 |
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| 41 | #ifndef QT_H
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| 42 | #include "qdesktopwidget.h"
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| 43 | #include "qasciidict.h"
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| 44 | #include "qpalette.h"
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| 45 | #include "qtranslator.h"
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| 46 | #include "qstrlist.h"
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| 47 | #include "qstringlist.h"
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| 48 | #endif // QT_H
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| 49 |
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| 50 | class QSessionManager;
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| 51 | class QStyle;
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| 52 | class QTranslator;
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| 53 | class QEventLoop;
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| 54 | #if defined(Q_WS_QWS)
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| 55 | class QWSDecoration;
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| 56 | #endif
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| 57 |
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| 58 | #ifdef QT_THREAD_SUPPORT
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| 59 | class QMutex;
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| 60 | #endif // QT_THREAD_SUPPORT
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| 61 |
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| 62 |
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| 63 | class QApplication;
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| 64 | extern Q_EXPORT QApplication *qApp; // global application object
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| 65 |
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| 66 |
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| 67 | class Q_EXPORT QApplication : public QObject
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| 68 | {
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| 69 | Q_OBJECT
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| 70 | public:
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| 71 | QApplication( int &argc, char **argv );
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| 72 | QApplication( int &argc, char **argv, bool GUIenabled );
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| 73 | enum Type { Tty, GuiClient, GuiServer };
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| 74 | QApplication( int &argc, char **argv, Type );
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| 75 | #if defined(Q_WS_X11)
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| 76 | QApplication( Display* dpy, HANDLE visual = 0, HANDLE cmap = 0 );
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| 77 | QApplication( Display *dpy, int argc, char **argv,
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| 78 | HANDLE visual = 0, HANDLE cmap= 0 );
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| 79 | #endif
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| 80 | virtual ~QApplication();
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| 81 |
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| 82 | int argc() const;
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| 83 | char **argv() const;
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| 84 |
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| 85 | Type type() const;
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| 86 |
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| 87 | #ifndef QT_NO_STYLE
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| 88 | static QStyle &style();
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| 89 | static void setStyle( QStyle* );
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| 90 | static QStyle* setStyle( const QString& );
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| 91 | #endif
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| 92 | #ifndef Q_QDOC
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| 93 | enum ColorMode { NormalColors, CustomColors };
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| 94 | static ColorMode colorMode();
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| 95 | static void setColorMode( QApplication::ColorMode );
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| 96 | #endif
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| 97 |
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| 98 | enum ColorSpec { NormalColor=0, CustomColor=1, ManyColor=2 };
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| 99 | static int colorSpec();
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| 100 | static void setColorSpec( int );
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| 101 | #ifndef QT_NO_CURSOR
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| 102 | static QCursor *overrideCursor();
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| 103 | static void setOverrideCursor( const QCursor &, bool replace=FALSE );
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| 104 | static void restoreOverrideCursor();
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| 105 | #endif
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| 106 | static bool hasGlobalMouseTracking();
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| 107 | static void setGlobalMouseTracking( bool enable );
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| 108 | #ifndef QT_NO_PALETTE
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| 109 | static QPalette palette( const QWidget* = 0 );
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| 110 | static void setPalette( const QPalette &, bool informWidgets=FALSE,
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| 111 | const char* className = 0 );
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| 112 | #endif
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| 113 | static QFont font( const QWidget* = 0 );
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| 114 | static void setFont( const QFont &, bool informWidgets=FALSE,
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| 115 | const char* className = 0 );
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| 116 | static QFontMetrics fontMetrics();
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| 117 |
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| 118 | QWidget *mainWidget() const;
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| 119 | virtual void setMainWidget( QWidget * );
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| 120 | virtual void polish( QWidget * );
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| 121 |
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| 122 | static QWidgetList *allWidgets();
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| 123 | static QWidgetList *topLevelWidgets();
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| 124 |
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| 125 | static QDesktopWidget *desktop();
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| 126 |
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| 127 | static QWidget *activePopupWidget();
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| 128 | static QWidget *activeModalWidget();
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| 129 | #ifndef QT_NO_CLIPBOARD
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| 130 | static QClipboard *clipboard();
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| 131 | #endif
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| 132 | QWidget *focusWidget() const;
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| 133 | QWidget *activeWindow() const;
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| 134 |
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| 135 | static QWidget *widgetAt( int x, int y, bool child=FALSE );
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| 136 | static QWidget *widgetAt( const QPoint &, bool child=FALSE );
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| 137 |
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| 138 | static QEventLoop *eventLoop();
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| 139 |
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| 140 | int exec();
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| 141 | void processEvents();
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| 142 | void processEvents( int maxtime );
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| 143 | void processOneEvent();
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| 144 | bool hasPendingEvents();
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| 145 | int enter_loop();
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| 146 | void exit_loop();
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| 147 | int loopLevel() const;
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| 148 | static void exit( int retcode=0 );
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| 149 |
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| 150 | static bool sendEvent( QObject *receiver, QEvent *event );
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| 151 | static void postEvent( QObject *receiver, QEvent *event );
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| 152 | static void sendPostedEvents( QObject *receiver, int event_type );
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| 153 | static void sendPostedEvents();
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| 154 |
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| 155 | static void removePostedEvents( QObject *receiver );
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| 156 |
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| 157 | virtual bool notify( QObject *, QEvent * );
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| 158 |
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| 159 | static bool startingUp();
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| 160 | static bool closingDown();
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| 161 |
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| 162 | static void flushX();
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| 163 | static void flush();
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| 164 | static void syncX();
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| 165 |
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| 166 | static void beep();
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| 167 |
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| 168 | #ifndef QT_NO_TRANSLATION
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| 169 | # ifndef QT_NO_TEXTCODEC
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| 170 | void setDefaultCodec( QTextCodec * );
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| 171 | QTextCodec* defaultCodec() const;
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| 172 | # endif
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| 173 | void installTranslator( QTranslator * );
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| 174 | void removeTranslator( QTranslator * );
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| 175 | #endif
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| 176 | enum Encoding { DefaultCodec, UnicodeUTF8 };
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| 177 | QString translate( const char * context,
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| 178 | const char * key,
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| 179 | const char * comment = 0,
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| 180 | Encoding encoding = DefaultCodec ) const;
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| 181 | #ifndef QT_NO_DIR
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| 182 | QString applicationDirPath();
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| 183 | QString applicationFilePath();
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| 184 | #endif
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| 185 | #ifndef QT_NO_PALETTE
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| 186 | // obsolete functions
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| 187 | static void setWinStyleHighlightColor( const QColor &c ) {
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| 188 | QPalette p( palette() );
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| 189 | p.setColor( QColorGroup::Highlight, c );
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| 190 | setPalette( p, TRUE);
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| 191 | }
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| 192 | static const QColor &winStyleHighlightColor() {
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| 193 | return palette().active().highlight();
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| 194 | }
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| 195 | #endif
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| 196 | static void setDesktopSettingsAware( bool );
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| 197 | static bool desktopSettingsAware();
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| 198 |
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| 199 | static void setCursorFlashTime( int );
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| 200 | static int cursorFlashTime();
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| 201 |
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| 202 | static void setDoubleClickInterval( int );
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| 203 | static int doubleClickInterval();
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| 204 | #ifndef QT_NO_WHEELEVENT
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| 205 | static void setWheelScrollLines( int );
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| 206 | static int wheelScrollLines();
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| 207 | #endif
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| 208 | static void setGlobalStrut( const QSize & );
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| 209 | static QSize globalStrut();
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| 210 |
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| 211 | #ifndef QT_NO_COMPONENT
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| 212 | static void setLibraryPaths( const QStringList & );
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| 213 | static QStringList libraryPaths();
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| 214 | static void addLibraryPath( const QString & );
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| 215 | static void removeLibraryPath( const QString & );
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| 216 | #endif // QT_NO_COMPONENT
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| 217 | static void setStartDragTime( int ms );
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| 218 | static int startDragTime();
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| 219 | static void setStartDragDistance( int l );
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| 220 | static int startDragDistance();
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| 221 |
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| 222 | static void setReverseLayout( bool b );
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| 223 | static bool reverseLayout();
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| 224 |
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| 225 | static int horizontalAlignment( int align );
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| 226 |
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| 227 | static bool isEffectEnabled( Qt::UIEffect );
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| 228 | static void setEffectEnabled( Qt::UIEffect, bool enable = TRUE );
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| 229 |
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| 230 | #if defined(Q_WS_MAC)
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| 231 | virtual bool macEventFilter( EventHandlerCallRef, EventRef );
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| 232 | #endif
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| 233 | #if defined(Q_WS_WIN)
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| 234 | virtual bool winEventFilter( MSG * );
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| 235 | #endif
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| 236 | #if defined(Q_WS_PM)
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| 237 | virtual bool pmEventFilter( QMSG * );
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| 238 | #endif
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| 239 | #if defined(Q_WS_X11)
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| 240 | virtual bool x11EventFilter( XEvent * );
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| 241 | virtual int x11ClientMessage( QWidget*, XEvent*, bool passive_only);
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| 242 | int x11ProcessEvent( XEvent* );
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| 243 | #endif
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| 244 | #if defined(Q_WS_QWS)
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| 245 | virtual bool qwsEventFilter( QWSEvent * );
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| 246 | int qwsProcessEvent( QWSEvent* );
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| 247 | void qwsSetCustomColors( QRgb *colortable, int start, int numColors );
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| 248 | #ifndef QT_NO_QWS_MANAGER
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| 249 | static QWSDecoration &qwsDecoration();
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| 250 | static void qwsSetDecoration( QWSDecoration *);
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| 251 | #endif
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| 252 | #endif
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| 253 |
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| 254 | #if defined(Q_OS_WIN32) || defined(Q_OS_CYGWIN)
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| 255 | static WindowsVersion winVersion();
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| 256 | #elif defined(Q_OS_MAC)
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| 257 | static MacintoshVersion macVersion();
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| 258 | #endif
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| 259 | #if defined(Q_WS_WIN)
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| 260 | void winFocus( QWidget *, bool );
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| 261 | static void winMouseButtonUp();
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| 262 | #elif defined(Q_WS_PM)
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| 263 | void pmFocus( QWidget *, bool );
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| 264 | #endif
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| 265 |
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| 266 | #ifndef QT_NO_SESSIONMANAGER
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| 267 | // session management
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| 268 | bool isSessionRestored() const;
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| 269 | QString sessionId() const;
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| 270 | QString sessionKey() const;
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| 271 | virtual void commitData( QSessionManager& sm );
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| 272 | virtual void saveState( QSessionManager& sm );
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| 273 | #endif
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| 274 | #if defined(Q_WS_X11)
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| 275 | static void create_xim();
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| 276 | static void close_xim();
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| 277 | static bool x11_apply_settings();
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| 278 | #endif
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| 279 | void wakeUpGuiThread();
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| 280 | #if defined(QT_THREAD_SUPPORT)
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| 281 | void lock();
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| 282 | void unlock(bool wakeUpGui = TRUE);
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| 283 | bool locked();
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| 284 | bool tryLock();
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| 285 | #endif
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| 286 |
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| 287 | signals:
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| 288 | void lastWindowClosed();
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| 289 | void aboutToQuit();
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| 290 | void guiThreadAwake();
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| 291 |
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| 292 | public slots:
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| 293 | void quit();
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| 294 | void closeAllWindows();
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| 295 | void aboutQt();
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| 296 |
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| 297 | #if defined(Q_WS_QWS)
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| 298 | protected:
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| 299 | void setArgs(int, char **);
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| 300 | #endif
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| 301 |
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| 302 | protected:
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| 303 | bool event(QEvent *);
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| 304 |
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| 305 | private:
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| 306 | void construct( int &argc, char **argv, Type );
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| 307 | void initialize( int, char ** );
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| 308 | void init_precmdline();
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| 309 | void process_cmdline( int* argcptr, char ** argv );
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| 310 | bool internalNotify( QObject *, QEvent * );
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| 311 | #if defined(Q_WS_QWS)
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| 312 | static QWidget *findChildWidget( const QWidget *p, const QPoint &pos );
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| 313 | static QWidget *findWidget( const QObjectList&, const QPoint &, bool rec );
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| 314 | #endif
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| 315 |
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| 316 | #if defined(Q_WS_MAC)
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| 317 | bool do_mouse_down(Point *, bool *);
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| 318 | static QMAC_PASCAL OSStatus globalEventProcessor(EventHandlerCallRef, EventRef, void *);
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| 319 | static QMAC_PASCAL OSStatus globalAppleEventProcessor(const AppleEvent *, AppleEvent *, long);
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| 320 | static QMAC_PASCAL void qt_context_timer_callbk(EventLoopTimerRef, void *);
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| 321 | static QMAC_PASCAL void qt_select_timer_callbk(EventLoopTimerRef, void *);
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| 322 | static bool qt_mac_apply_settings();
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| 323 | friend class QMacInputMethod;
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| 324 | friend QMAC_PASCAL OSStatus qt_window_event(EventHandlerCallRef, EventRef, void *);
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| 325 | friend void qt_mac_update_os_settings();
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| 326 | friend bool qt_set_socket_handler( int, int, QObject *, bool);
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| 327 | friend void qt_mac_destroy_widget(QWidget *);
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| 328 | friend void qt_init(int *, char **, QApplication::Type);
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| 329 | #endif
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| 330 |
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| 331 | #ifdef QT_THREAD_SUPPORT
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| 332 | static QMutex *qt_mutex;
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| 333 | #endif // QT_THREAD_SUPPORT
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| 334 |
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| 335 | int app_argc;
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| 336 | char **app_argv;
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| 337 | bool quit_now;
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| 338 | int quit_code;
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| 339 | static QStyle *app_style;
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| 340 | static int app_cspec;
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| 341 | #ifndef QT_NO_PALETTE
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| 342 | static QPalette *app_pal;
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| 343 | #endif
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| 344 | static QFont *app_font;
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| 345 | #ifndef QT_NO_CURSOR
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| 346 | static QCursor *app_cursor;
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| 347 | #endif
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| 348 | static QEventLoop* eventloop;
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| 349 | static int app_tracking;
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| 350 | static bool is_app_running;
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| 351 | static bool is_app_closing;
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| 352 | static bool app_exit_loop;
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| 353 | static int loop_level;
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| 354 | static QWidget *main_widget;
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| 355 | static QWidget *focus_widget;
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| 356 | static QWidget *active_window;
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| 357 | static bool obey_desktop_settings;
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| 358 | static int cursor_flash_time;
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| 359 | static int mouse_double_click_time;
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| 360 | static int wheel_scroll_lines;
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| 361 | static int composedUnicode; // Value, meta-composed character
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| 362 |
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| 363 | static bool animate_ui;
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| 364 | static bool animate_menu;
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| 365 | static bool animate_tooltip;
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| 366 | static bool animate_combo;
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| 367 | static bool fade_menu;
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| 368 | static bool fade_tooltip;
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| 369 | static bool animate_toolbox;
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| 370 | static bool widgetCount; // Coupled with -widgetcount switch
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| 371 | static bool metaComposeUnicode;
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| 372 |
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| 373 | QValueList<QTranslator*> *translators;
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| 374 | #ifndef QT_NO_SESSIONMANAGER
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| 375 | QSessionManager *session_manager;
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| 376 | QString session_id;
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| 377 | static QString* session_key;
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| 378 | bool is_session_restored;
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| 379 | #endif
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| 380 | #if defined(Q_WS_X11) && !defined (QT_NO_STYLE )
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| 381 | static void x11_initialize_style();
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| 382 | #endif
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| 383 |
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| 384 | static QSize app_strut;
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| 385 | #ifndef QT_NO_COMPONENT
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| 386 | static QStringList *app_libpaths;
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| 387 | #endif
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| 388 | static QAsciiDict<QPalette> *app_palettes;
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| 389 | static QAsciiDict<QFont> *app_fonts;
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| 390 |
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| 391 | static QWidgetList *popupWidgets;
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| 392 | bool inPopupMode() const;
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| 393 | void closePopup( QWidget *popup );
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| 394 | void openPopup( QWidget *popup );
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| 395 | void setActiveWindow( QWidget* act );
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| 396 |
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| 397 | static bool sendSpontaneousEvent( QObject *receiver, QEvent *event );
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| 398 | static void removePostedEvent( QEvent * );
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| 399 |
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| 400 | friend class QWidget;
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| 401 | friend class QETWidget;
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| 402 | friend class QDialog;
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| 403 | friend class QAccelManager;
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| 404 | friend class QEvent;
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| 405 | friend class QTranslator;
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| 406 | friend class QEventLoop;
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| 407 | friend Q_EXPORT void qt_ucm_initialize( QApplication * );
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| 408 | #if defined(Q_WS_WIN) || defined(Q_WS_PM)
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| 409 | friend bool qt_sendSpontaneousEvent( QObject*, QEvent* );
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| 410 | #endif
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| 411 | #if defined(Q_WS_QWS)
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| 412 | friend class QInputContext;
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| 413 | #endif
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| 414 | private: // Disabled copy constructor and operator=
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| 415 | #if defined(Q_DISABLE_COPY)
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| 416 | QApplication( const QApplication & );
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| 417 | QApplication &operator=( const QApplication & );
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| 418 | #endif
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| 419 | };
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| 420 |
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| 421 | inline int QApplication::argc() const
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| 422 | {
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| 423 | return app_argc;
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| 424 | }
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| 425 |
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| 426 | inline char **QApplication::argv() const
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| 427 | {
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| 428 | return app_argv;
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| 429 | }
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| 430 |
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| 431 | #if defined(Q_WS_QWS)
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| 432 | inline void QApplication::setArgs(int c, char **v)
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| 433 | {
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| 434 | app_argc = c;
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| 435 | app_argv = v;
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| 436 | }
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| 437 | #endif
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| 438 |
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| 439 | #ifndef QT_NO_CURSOR
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| 440 | inline QCursor *QApplication::overrideCursor()
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| 441 | {
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| 442 | return app_cursor;
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| 443 | }
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| 444 | #endif
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| 445 | inline bool QApplication::hasGlobalMouseTracking()
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| 446 | {
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| 447 | return app_tracking > 0;
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| 448 | }
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| 449 |
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| 450 | inline QWidget *QApplication::mainWidget() const
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| 451 | {
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| 452 | return main_widget;
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| 453 | }
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| 454 |
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| 455 | inline QWidget *QApplication::focusWidget() const
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| 456 | {
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| 457 | return focus_widget;
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| 458 | }
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| 459 |
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| 460 | inline QWidget *QApplication::activeWindow() const
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| 461 | {
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| 462 | return active_window;
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| 463 | }
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| 464 |
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| 465 | inline QWidget *QApplication::widgetAt( const QPoint &p, bool child )
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| 466 | {
|
|---|
| 467 | return widgetAt( p.x(), p.y(), child );
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| 468 | }
|
|---|
| 469 |
|
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| 470 | inline bool QApplication::inPopupMode() const
|
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| 471 | {
|
|---|
| 472 | return popupWidgets != 0;
|
|---|
| 473 | }
|
|---|
| 474 | #ifndef QT_NO_SESSIONMANAGER
|
|---|
| 475 | inline bool QApplication::isSessionRestored() const
|
|---|
| 476 | {
|
|---|
| 477 | return is_session_restored;
|
|---|
| 478 | }
|
|---|
| 479 |
|
|---|
| 480 | inline QString QApplication::sessionId() const
|
|---|
| 481 | {
|
|---|
| 482 | return session_id;
|
|---|
| 483 | }
|
|---|
| 484 |
|
|---|
| 485 | inline QString QApplication::sessionKey() const
|
|---|
| 486 | {
|
|---|
| 487 | return session_key ? *session_key : QString::null;
|
|---|
| 488 | }
|
|---|
| 489 | #endif
|
|---|
| 490 | inline QSize QApplication::globalStrut()
|
|---|
| 491 | {
|
|---|
| 492 | return app_strut;
|
|---|
| 493 | }
|
|---|
| 494 |
|
|---|
| 495 | inline bool QApplication::sendEvent( QObject *receiver, QEvent *event )
|
|---|
| 496 | { if ( event ) event->spont = FALSE; return qApp ? qApp->notify( receiver, event ) : FALSE; }
|
|---|
| 497 |
|
|---|
| 498 | inline bool QApplication::sendSpontaneousEvent( QObject *receiver, QEvent *event )
|
|---|
| 499 | { if ( event ) event->spont = TRUE; return qApp ? qApp->notify( receiver, event ) : FALSE; }
|
|---|
| 500 |
|
|---|
| 501 | #ifdef QT_NO_TRANSLATION
|
|---|
| 502 | // Simple versions
|
|---|
| 503 | inline QString QApplication::translate( const char *, const char *sourceText,
|
|---|
| 504 | const char *, Encoding encoding ) const
|
|---|
| 505 | {
|
|---|
| 506 | #ifndef QT_NO_TEXTCODEC
|
|---|
| 507 | if ( encoding == UnicodeUTF8 )
|
|---|
| 508 | return QString::fromUtf8( sourceText );
|
|---|
| 509 | else
|
|---|
| 510 | #endif
|
|---|
| 511 | return QString::fromLatin1( sourceText );
|
|---|
| 512 | }
|
|---|
| 513 | #endif
|
|---|
| 514 |
|
|---|
| 515 | inline int QApplication::horizontalAlignment( int align )
|
|---|
| 516 | {
|
|---|
| 517 | align &= AlignHorizontal_Mask;
|
|---|
| 518 | if ( align == AlignAuto ) {
|
|---|
| 519 | if ( reverseLayout() )
|
|---|
| 520 | align = AlignRight;
|
|---|
| 521 | else
|
|---|
| 522 | align = AlignLeft;
|
|---|
| 523 | }
|
|---|
| 524 | return align;
|
|---|
| 525 | }
|
|---|
| 526 |
|
|---|
| 527 | #endif // QAPPLICATION_H
|
|---|
| 528 |
|
|---|
