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- /****************************************************************************
- ** $Id: qt/qapplication.h 3.0.3 edited Dec 7 10:36 $
- **
- ** Definition of QApplication class
- **
- ** Created : 931107
- **
- ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
- **
- ** This file is part of the kernel module of the Qt GUI Toolkit.
- **
- ** This file may be distributed under the terms of the Q Public License
- ** as defined by Trolltech AS of Norway and appearing in the file
- ** LICENSE.QPL included in the packaging of this file.
- **
- ** This file may be distributed and/or modified under the terms of the
- ** GNU General Public License version 2 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL included in the
- ** packaging of this file.
- **
- ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
- ** licenses may use this file in accordance with the Qt Commercial License
- ** Agreement provided with the Software.
- **
- ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- **
- ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
- ** information about Qt Commercial License Agreements.
- ** See http://www.trolltech.com/qpl/ for QPL licensing information.
- ** See http://www.trolltech.com/gpl/ for GPL licensing information.
- **
- ** Contact info@trolltech.com if any conditions of this licensing are
- ** not clear to you.
- **
- **********************************************************************/
-
- #ifndef QAPPLICATION_H
- #define QAPPLICATION_H
-
- #ifndef QT_H
- #include "qdesktopwidget.h"
- #include "qasciidict.h"
- #include "qpalette.h"
- #include "qtranslator.h"
- #include "qstrlist.h"
- #include "qstringlist.h"
- #endif // QT_H
-
- #ifndef QT_NO_REMOTE
- #include "quuid.h"
- #endif //QT_NO_REMOTE
-
- class QSessionManager;
- class QStyle;
- class QTranslator;
- #if defined(Q_WS_QWS)
- class QWSDecoration;
- #endif
-
- template <class type> class QPtrList;
-
- class QApplication;
- extern Q_EXPORT QApplication *qApp; // global application object
-
- #if defined(QT_THREAD_SUPPORT)
- class QMutex;
- #endif
-
-
- class Q_EXPORT QApplication : public QObject
- {
- Q_OBJECT
- public:
- QApplication( int &argc, char **argv);
- QApplication( int &argc, char **argv, bool GUIenabled );
- enum Type { Tty, GuiClient, GuiServer };
- QApplication( int &argc, char **argv, Type );
- #if defined(Q_WS_X11)
- QApplication( Display* dpy, HANDLE visual = 0, HANDLE cmap = 0 );
- QApplication( Display *dpy, int argc, char **argv,
- HANDLE visual = 0, HANDLE cmap= 0 );
- #endif
- virtual ~QApplication();
-
- int argc() const;
- char **argv() const;
-
- Type type() const;
-
- #ifndef QT_NO_STYLE
- static QStyle &style();
- static void setStyle( QStyle* );
- static QStyle* setStyle( const QString& );
- #endif
- #ifndef Q_QDOC
- enum ColorMode { NormalColors, CustomColors };
- static ColorMode colorMode();
- static void setColorMode( QApplication::ColorMode );
- #endif
-
- enum ColorSpec { NormalColor=0, CustomColor=1, ManyColor=2 };
- static int colorSpec();
- static void setColorSpec( int );
- #ifndef QT_NO_CURSOR
- static QCursor *overrideCursor();
- static void setOverrideCursor( const QCursor &, bool replace=FALSE );
- static void restoreOverrideCursor();
- #endif
- static bool hasGlobalMouseTracking();
- static void setGlobalMouseTracking( bool enable );
- #ifndef QT_NO_PALETTE
- static QPalette palette( const QWidget* = 0 );
- static void setPalette( const QPalette &, bool informWidgets=FALSE,
- const char* className = 0 );
- #endif
- static QFont font( const QWidget* = 0 );
- static void setFont( const QFont &, bool informWidgets=FALSE,
- const char* className = 0 );
- static QFontMetrics fontMetrics();
-
- QWidget *mainWidget() const;
- virtual void setMainWidget( QWidget * );
- virtual void polish( QWidget * );
-
- static QWidgetList *allWidgets();
- static QWidgetList *topLevelWidgets();
-
- static QDesktopWidget *desktop();
-
- static QWidget *activePopupWidget();
- static QWidget *activeModalWidget();
- #ifndef QT_NO_CLIPBOARD
- static QClipboard *clipboard();
- #endif
- QWidget *focusWidget() const;
- QWidget *activeWindow() const;
-
- static QWidget *widgetAt( int x, int y, bool child=FALSE );
- static QWidget *widgetAt( const QPoint &, bool child=FALSE );
-
- int exec();
- void processEvents();
- void processEvents( int maxtime );
- void processOneEvent();
- bool hasPendingEvents();
- int enter_loop();
- void exit_loop();
- int loopLevel() const;
- static void exit( int retcode=0 );
-
- static bool sendEvent( QObject *receiver, QEvent *event );
- static void postEvent( QObject *receiver, QEvent *event );
- static void sendPostedEvents( QObject *receiver, int event_type );
- static void sendPostedEvents();
-
- static void removePostedEvents( QObject *receiver );
-
- virtual bool notify( QObject *, QEvent * );
-
- static bool startingUp();
- static bool closingDown();
-
- static void flushX();
- static void flush();
- static void syncX();
-
- static void beep();
-
- #ifndef QT_NO_TRANSLATION
- void setDefaultCodec( QTextCodec * );
- QTextCodec* defaultCodec() const;
- void installTranslator( QTranslator * );
- void removeTranslator( QTranslator * );
- #endif
- enum Encoding { DefaultCodec, UnicodeUTF8 };
- QString translate( const char * context,
- const char * key,
- const char * comment = 0,
- Encoding encoding = DefaultCodec ) const;
- #ifndef QT_NO_PALETTE
- // obsolete functions
- static void setWinStyleHighlightColor( const QColor &c ) {
- QPalette p( palette() );
- p.setColor( QColorGroup::Highlight, c );
- setPalette( p, TRUE);
- }
- static const QColor &winStyleHighlightColor() {
- return palette().active().highlight();
- }
- #endif
- static void setDesktopSettingsAware( bool );
- static bool desktopSettingsAware();
-
- static void setCursorFlashTime( int );
- static int cursorFlashTime();
-
- static void setDoubleClickInterval( int );
- static int doubleClickInterval();
- #ifndef QT_NO_WHEELEVENT
- static void setWheelScrollLines( int );
- static int wheelScrollLines();
- #endif
- static void setGlobalStrut( const QSize & );
- static QSize globalStrut();
-
- #ifndef QT_NO_COMPONENT
- static void setLibraryPaths(const QStringList &);
- static QStringList libraryPaths();
- static void addLibraryPath(const QString &);
- static void removeLibraryPath(const QString &);
- #endif //QT_NO_COMPONENT
- static void setStartDragTime( int ms );
- static int startDragTime();
- static void setStartDragDistance( int l );
- static int startDragDistance();
-
- static void setReverseLayout( bool b );
- static bool reverseLayout();
-
- static int horizontalAlignment( int align );
-
- static bool isEffectEnabled( Qt::UIEffect );
- static void setEffectEnabled( Qt::UIEffect, bool enable = TRUE );
-
- #if defined(Q_WS_MAC)
- virtual bool macEventFilter( EventRef );
- #endif
- #if defined(Q_WS_WIN)
- virtual bool winEventFilter( MSG * );
- #endif
- #if defined(Q_WS_X11)
- virtual bool x11EventFilter( XEvent * );
- virtual int x11ClientMessage( QWidget*, XEvent*, bool passive_only);
- int x11ProcessEvent( XEvent* );
- #endif
- #if defined(Q_WS_QWS)
- virtual bool qwsEventFilter( QWSEvent * );
- int qwsProcessEvent( QWSEvent* );
- void qwsSetCustomColors( QRgb *colortable, int start, int numColors );
- #ifndef QT_NO_QWS_MANAGER
- static QWSDecoration &qwsDecoration();
- static void qwsSetDecoration( QWSDecoration *);
- #endif
- #endif
-
- #if defined(Q_WS_WIN)
- static WindowsVersion winVersion();
- void winFocus( QWidget *, bool );
- static void winMouseButtonUp();
- #endif
-
- #ifndef QT_NO_SESSIONMANAGER
- // session management
- bool isSessionRestored() const;
- QString sessionId() const;
- virtual void commitData( QSessionManager& sm );
- virtual void saveState( QSessionManager& sm );
- #endif
- #if defined(Q_WS_X11)
- static void create_xim();
- static void close_xim();
- static bool x11_apply_settings();
- #endif
- void wakeUpGuiThread();
- #if defined(QT_THREAD_SUPPORT)
- void lock();
- void unlock(bool wakeUpGui = TRUE);
- bool locked();
- bool tryLock();
- #endif
-
- signals:
- void lastWindowClosed();
- void aboutToQuit();
- void guiThreadAwake();
-
- public slots:
- void quit();
- void closeAllWindows();
-
- private:
- void construct( int &argc, char **argv, Type );
- bool processNextEvent( bool );
- void initialize( int, char ** );
- void init_precmdline();
- void process_cmdline( int* argcptr, char ** argv );
- bool internalNotify( QObject *, QEvent * );
- #if defined(Q_WS_QWS)
- static QWidget *findChildWidget( const QWidget *p, const QPoint &pos );
- static QWidget *findWidget( const QObjectList&, const QPoint &, bool rec );
- #endif
-
- #if defined(Q_WS_MAC)
- bool do_mouse_down(Point *);
- static QMAC_PASCAL OSStatus globalEventProcessor(EventHandlerCallRef, EventRef, void *);
- static QMAC_PASCAL void qt_context_timer_callbk(EventLoopTimerRef, void *);
- static QMAC_PASCAL void qt_select_timer_callbk(EventLoopTimerRef, void *);
- static bool qt_mac_apply_settings();
- friend class QMacInputMethod;
- friend bool qt_set_socket_handler( int, int, QObject *, bool);
- friend void qt_mac_destroy_widget(QWidget *);
- friend void qt_init(int *, char **, QApplication::Type);
- #endif
-
- #if defined(QT_THREAD_SUPPORT)
- static QMutex * qt_mutex;
- #endif
-
- int app_argc;
- char **app_argv;
- bool quit_now;
- int quit_code;
- static QStyle *app_style;
- static int app_cspec;
- #ifndef QT_NO_PALETTE
- static QPalette *app_pal;
- #endif
- static QFont *app_font;
- #ifndef QT_NO_CURSOR
- static QCursor *app_cursor;
- #endif
- static int app_tracking;
- static bool is_app_running;
- static bool is_app_closing;
- static bool app_exit_loop;
- static int loop_level;
- static QWidget *main_widget;
- static QWidget *focus_widget;
- static QWidget *active_window;
- static bool obey_desktop_settings;
- static int cursor_flash_time;
- static int mouse_double_click_time;
- static int wheel_scroll_lines;
-
- static bool animate_ui;
- static bool animate_menu;
- static bool animate_tooltip;
- static bool animate_combo;
- static bool fade_menu;
- static bool fade_tooltip;
-
- QPtrList<QTranslator> *translators;
- #ifndef QT_NO_SESSIONMANAGER
- QSessionManager *session_manager;
- QString session_id;
- bool is_session_restored;
- #endif
- #if defined(Q_WS_X11) && !defined (QT_NO_STYLE )
- static void x11_initialize_style();
- #endif
-
- static QSize app_strut;
-
- static QStringList *app_libpaths;
-
- static QAsciiDict<QPalette> *app_palettes;
- static QAsciiDict<QFont> *app_fonts;
-
- static QWidgetList *popupWidgets;
- bool inPopupMode() const;
- void closePopup( QWidget *popup );
- void openPopup( QWidget *popup );
- void setActiveWindow( QWidget* act );
-
- static bool sendSpontaneousEvent( QObject *receiver, QEvent *event );
- static void removePostedEvent( QEvent * );
-
- friend class QWidget;
- friend class QETWidget;
- friend class QEvent;
- friend Q_EXPORT void qt_ucm_initialize( QApplication * );
- #if defined(Q_WS_WIN)
- friend bool qt_sendSpontaneousEvent( QObject*, QEvent* );
- #endif
-
- #ifndef QT_NO_REMOTE
- public:
- void setEnableRemoteControl(bool enable, const QUuid appId = QUuid());
- bool remoteControlEnabled() const;
- QUuid applicationId() const;
- #endif //QT_NO_REMOTE
-
- private: // Disabled copy constructor and operator=
- #if defined(Q_DISABLE_COPY)
- QApplication( const QApplication & );
- QApplication &operator=( const QApplication & );
- #endif
- };
-
- inline int QApplication::argc() const
- {
- return app_argc;
- }
-
- inline char **QApplication::argv() const
- {
- return app_argv;
- }
- #ifndef QT_NO_CURSOR
- inline QCursor *QApplication::overrideCursor()
- {
- return app_cursor;
- }
- #endif
- inline bool QApplication::hasGlobalMouseTracking()
- {
- return app_tracking > 0;
- }
-
- inline QWidget *QApplication::mainWidget() const
- {
- return main_widget;
- }
-
- inline QWidget *QApplication::focusWidget() const
- {
- return focus_widget;
- }
-
- inline QWidget *QApplication::activeWindow() const
- {
- return active_window;
- }
-
- inline QWidget *QApplication::widgetAt( const QPoint &p, bool child )
- {
- return widgetAt( p.x(), p.y(), child );
- }
-
- inline bool QApplication::inPopupMode() const
- {
- return popupWidgets != 0;
- }
- #ifndef QT_NO_SESSIONMANAGER
- inline bool QApplication::isSessionRestored() const
- {
- return is_session_restored;
- }
-
- inline QString QApplication::sessionId() const
- {
- return session_id;
- }
- #endif
- inline QSize QApplication::globalStrut()
- {
- return app_strut;
- }
-
- inline bool QApplication::sendEvent( QObject *receiver, QEvent *event )
- { return qApp ? qApp->notify( receiver, event ) : FALSE; }
-
- inline bool QApplication::sendSpontaneousEvent( QObject *receiver, QEvent *event )
- { if ( event ) event->spont = TRUE; return qApp ? qApp->notify( receiver, event ) : FALSE; }
-
- #ifdef QT_NO_TRANSLATION
- // Simple versions
- inline QString QApplication::translate( const char *, const char *sourceText,
- const char *, Encoding encoding ) const
- {
- #ifndef QT_NO_TEXTCODEC
- if ( encoding == UnicodeUTF8 )
- return QString::fromUtf8( sourceText );
- else
- #endif
- return QString::fromLatin1( sourceText );
- }
- #endif
-
- inline int QApplication::horizontalAlignment( int align )
- {
- align &= AlignHorizontal_Mask;
- if ( align == AlignAuto ) {
- if ( reverseLayout() )
- align = AlignRight;
- else
- align = AlignLeft;
- }
- return align;
- }
-
- #endif // QAPPLICATION_H
-
-