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# ntqapplication.h

This is the verbatim text of the ntqapplication.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/ntqapplication.h   3.3.8   edited Jan 16 10:54 $
    **
    ** Definition of TQApplication class
    **
    ** Created : 931107
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the kernel module of the TQt GUI Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free TQt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
    ** included in the packaging of this file.  Licensees holding valid TQt
    ** Commercial licenses may use this file in accordance with the TQt
    ** Commercial License Agreement provided with the Software.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #ifndef TQAPPLICATION_H
    #define TQAPPLICATION_H

    #ifndef QT_H
    #include "ntqdesktopwidget.h"
    #include "ntqasciidict.h"
    #include "ntqpalette.h"
    #include "ntqtranslator.h"
    #include "ntqstrlist.h"
    #include "ntqstringlist.h"
    #endif // QT_H

    class TQSessionManager;
    class TQStyle;
    class TQTranslator;
    class TQEventLoop;
    #if defined(Q_WS_QWS)
    class TQWSDecoration;
    #endif

    #ifdef TQT_THREAD_SUPPORT
    class TQMutex;
    #endif // TQT_THREAD_SUPPORT

    class TQApplication;
    extern TQ_EXPORT TQApplication *tqApp;		// global application object

    class TQ_EXPORT TQApplication : public TQObject
    {
        TQ_OBJECT
    public:
        TQApplication( int &argc, char **argv );
        TQApplication( int &argc, char **argv, bool GUIenabled );
        enum Type { Tty, GuiClient, GuiServer };
        TQApplication( int &argc, char **argv, Type );
    #if defined(Q_WS_X11)
        TQApplication( Display* dpy, HANDLE visual = 0, HANDLE cmap = 0 );
        TQApplication( Display *dpy, int argc, char **argv,
    		  HANDLE visual = 0, HANDLE cmap= 0 );
    #endif
        virtual ~TQApplication();

        int		    argc()	const;
        char	  **argv()	const;

        Type type() const;

    #ifndef TQT_NO_STYLE
        static TQStyle  &style();
        static void	    setStyle( TQStyle* );
        static TQStyle*  setStyle( const TQString& );
    #endif
    #ifndef Q_QDOC
        enum ColorMode { NormalColors, CustomColors };
        static ColorMode colorMode();
        static void      setColorMode( TQApplication::ColorMode );
    #endif

        enum ColorSpec { NormalColor=0, CustomColor=1, ManyColor=2 };
        static int	     colorSpec();
        static void      setColorSpec( int );
    #ifndef TQT_NO_CURSOR
        static TQCursor  *overrideCursor();
        static void	     setOverrideCursor( const TQCursor &, bool replace=FALSE );
        static void	     restoreOverrideCursor();
    #endif
        static bool	     hasGlobalMouseTracking();
        static void	     setGlobalMouseTracking( bool enable );
    #ifndef TQT_NO_PALETTE
        static TQPalette  palette( const TQWidget* = 0 );
        static void	     setPalette( const TQPalette &, bool informWidgets=FALSE,
    				 const char* className = 0 );
    #endif
        static TQFont     font( const TQWidget* = 0 );
        static void	     setFont( const TQFont &, bool informWidgets=FALSE,
    			      const char* className = 0 );
        static TQFontMetrics fontMetrics();

        TQWidget	    *mainWidget()  const;
        virtual void     setMainWidget( TQWidget * );
        virtual void     polish( TQWidget * );

        static TQWidgetList *allWidgets();
        static TQWidgetList *topLevelWidgets();

        static TQDesktopWidget   *desktop();

        static TQWidget     *activePopupWidget();
        static TQWidget     *activeModalWidget();
    #ifndef TQT_NO_CLIPBOARD
        static TQClipboard  *clipboard();
    #endif
        TQWidget	       *focusWidget() const;
        TQWidget	       *activeWindow() const;

        static TQWidget  *widgetAt( int x, int y, bool child=FALSE );
        static TQWidget  *widgetAt( const TQPoint &, bool child=FALSE );

        static TQEventLoop *eventLoop();

        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( TQObject *receiver, TQEvent *event );
        static void	     postEvent( TQObject *receiver, TQEvent *event );
        static void	     sendPostedEvents( TQObject *receiver, int event_type );
        static void	     sendPostedEvents();

        static void      removePostedEvents( TQObject *receiver );

        virtual bool     notify( TQObject *, TQEvent * );

        static bool	     startingUp();
        static bool	     closingDown();

        static void	     flushX();
        static void flush();
        static void	     syncX();

        static void	     beep();

    #ifndef TQT_NO_TRANSLATION
    # ifndef TQT_NO_TEXTCODEC
        void	     setDefaultCodec( TQTextCodec * );
        TQTextCodec*	     defaultCodec() const;
    # endif
        void	     installTranslator( TQTranslator * );
        void	     removeTranslator( TQTranslator * );
    #endif
        enum Encoding { DefaultCodec, UnicodeUTF8 };
        TQString	     translate( const char * context,
    				const char * key,
    				const char * comment = 0,
    				Encoding encoding = DefaultCodec ) const;
    #ifndef TQT_NO_DIR
        TQString   applicationDirPath();
        TQString   applicationFilePath();
    #endif
    #ifndef TQT_NO_PALETTE
        // obsolete functions
        static void      setWinStyleHighlightColor( const TQColor &c ) {
    	TQPalette p( palette() );
    	p.setColor( TQColorGroup::Highlight, c );
    	setPalette( p, TRUE);
        }
        static const TQColor &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 TQT_NO_WHEELEVENT
        static void      setWheelScrollLines( int );
        static int       wheelScrollLines();
    #endif
        static void	     setGlobalStrut( const TQSize & );
        static TQSize     globalStrut();

    #ifndef TQT_NO_COMPONENT
        static void      setLibraryPaths( const TQStringList & );
        static TQStringList libraryPaths();
        static void      addLibraryPath( const TQString & );
        static void      removeLibraryPath( const TQString & );
    #endif // TQT_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( TQt::UIEffect );
        static void	    setEffectEnabled( TQt::UIEffect, bool enable = TRUE );

    #if defined(Q_WS_MAC)
        virtual bool     macEventFilter( EventHandlerCallRef, EventRef );
    #endif
    #if defined(Q_WS_WIN)
        virtual bool     winEventFilter( MSG * );
    #endif
    #if defined(Q_WS_X11)
        virtual bool     x11EventFilter( XEvent * );
        virtual int	     x11ClientMessage( TQWidget*, XEvent*, bool passive_only);
        int              x11ProcessEvent( XEvent* );
    #endif
    #if defined(Q_WS_QWS)
        virtual bool     qwsEventFilter( TQWSEvent * );
        int              qwsProcessEvent( TQWSEvent* );
        void             qwsSetCustomColors( TQRgb *colortable, int start, int numColors );
    /*!
      \internal
        Returns true if the process is GUI server
    */
        bool          qwsIsGUIServer();
    #ifndef TQT_NO_QWS_MANAGER
        static TQWSDecoration &qwsDecoration();
        static void      qwsSetDecoration( TQWSDecoration *);
    #endif
    #endif

    #if defined(Q_OS_WIN32) || defined(Q_OS_CYGWIN)
        static WindowsVersion winVersion();
    #elif defined(Q_OS_MAC)
        static MacintoshVersion macVersion();
    #endif
    #if defined(Q_WS_WIN)
        void	     winFocus( TQWidget *, bool );
        static void	     winMouseButtonUp();
    #endif

    #ifndef TQT_NO_SESSIONMANAGER
        // session management
        bool	     isSessionRestored() const;
        TQString 	sessionId() const;
        TQString 	sessionKey() const;
        virtual void     commitData( TQSessionManager& sm );
        virtual void     saveState( TQSessionManager& 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(TQT_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();
        void	     aboutTQt();

    #if defined(Q_WS_QWS)
    protected:
        void setArgs(int, char **);
    #endif

    protected:
        bool event(TQEvent *);

    private:
        void construct( int &argc, char **argv, Type );
        void initialize( int, char ** );
        void init_precmdline();
        void process_cmdline( int* argcptr, char ** argv );
        bool internalNotify( TQObject *, TQEvent * );
    #if defined(Q_WS_QWS)
        static TQWidget *findChildWidget( const TQWidget *p, const TQPoint &pos );
        static TQWidget *findWidget( const TQObjectList&, const TQPoint &, bool rec );
    #endif

    #if defined(Q_WS_MAC)
        bool do_mouse_down(Point *, bool *);
        static TQMAC_PASCAL OSStatus globalEventProcessor(EventHandlerCallRef,  EventRef, void *);
        static TQMAC_PASCAL OSStatus globalAppleEventProcessor(const AppleEvent *, AppleEvent *, long);
        static TQMAC_PASCAL void qt_context_timer_callbk(EventLoopTimerRef, void *);
        static TQMAC_PASCAL void qt_select_timer_callbk(EventLoopTimerRef, void *);
        static bool qt_mac_apply_settings();
        friend class TQMacInputMethod;
        friend TQMAC_PASCAL OSStatus qt_window_event(EventHandlerCallRef, EventRef, void *);
        friend void qt_mac_update_os_settings();
        friend bool qt_set_socket_handler( int, int, TQObject *, bool);
        friend void qt_mac_destroy_widget(TQWidget *);
        friend void tqt_init(int *, char **, TQApplication::Type);
    #endif

    #ifdef TQT_THREAD_SUPPORT
        static TQMutex   *tqt_mutex;
    #endif // TQT_THREAD_SUPPORT

        int		     app_argc;
        char	   **app_argv;
        bool	     quit_now;
        int		     quit_code;
        static TQStyle   *app_style;
        static int	     app_cspec;
    #ifndef TQT_NO_PALETTE
        static TQPalette *app_pal;
    #endif
        static TQFont    *app_font;
    #ifndef TQT_NO_CURSOR
        static TQCursor  *app_cursor;
    #endif
        static TQEventLoop* eventloop;
        static int	     app_tracking;
        static bool	     is_app_running;
        static bool	     is_app_closing;
        static bool	     app_exit_loop;
        static int	     loop_level;
        static TQWidget  *main_widget;
        static TQWidget  *focus_widget;
        static TQWidget  *active_window;
        static bool	     obey_desktop_settings;
        static int	     cursor_flash_time;
        static int	     mouse_double_click_time;
        static int	     wheel_scroll_lines;
        static int	     composedUnicode; // Value, meta-composed character

        static bool	     animate_ui;
        static bool	     animate_menu;
        static bool	     animate_tooltip;
        static bool	     animate_combo;
        static bool	     fade_menu;
        static bool	     fade_tooltip;
        static bool	     animate_toolbox;
        static bool	     widgetCount; // Coupled with -widgetcount switch
        static bool	     metaComposeUnicode;

        TQValueList<TQTranslator*> *translators;
    #ifndef TQT_NO_SESSIONMANAGER
        TQSessionManager *session_manager;
        TQString	     session_id;
        static TQString* session_key;
        bool	     is_session_restored;
    #endif
    #if defined(Q_WS_X11) && !defined (TQT_NO_STYLE )
        static void x11_initialize_style();
    #endif

        static TQSize     app_strut;
    #ifndef TQT_NO_COMPONENT
        static TQStringList *app_libpaths;
    #endif
        static TQAsciiDict<TQPalette> *app_palettes;
        static TQAsciiDict<TQFont>    *app_fonts;

        static TQWidgetList *popupWidgets;
        bool	     inPopupMode() const;
        void	     closePopup( TQWidget *popup );
        void	     openPopup( TQWidget *popup );
        void	     setActiveWindow( TQWidget* act );

        static bool      sendSpontaneousEvent( TQObject *receiver, TQEvent *event );
        static void      removePostedEvent( TQEvent * );

        friend class TQWidget;
        friend class TQETWidget;
        friend class TQDialog;
        friend class TQAccelManager;
        friend class TQEvent;
        friend class TQTranslator;
        friend class TQEventLoop;
        friend TQ_EXPORT void tqt_ucm_initialize( TQApplication * );
    #if defined(Q_WS_WIN)
        friend bool qt_sendSpontaneousEvent( TQObject*, TQEvent* );
    #endif
    #if defined(Q_WS_QWS)
        friend class TQInputContext;
    #endif
    private: // Disabled copy constructor and operator=
    #if defined(TQ_DISABLE_COPY)
        TQApplication( const TQApplication & );
        TQApplication &operator=( const TQApplication & );
    #endif
    };

    inline int TQApplication::argc() const
    {
        return app_argc;
    }

    inline char **TQApplication::argv() const
    {
        return app_argv;
    }

    #if defined(Q_WS_QWS)
    inline void TQApplication::setArgs(int c, char **v)
    {
            app_argc = c;
    	    app_argv = v;
    }
    #endif

    #ifndef TQT_NO_CURSOR
    inline TQCursor *TQApplication::overrideCursor()
    {
        return app_cursor;
    }
    #endif
    inline bool TQApplication::hasGlobalMouseTracking()
    {
        return app_tracking > 0;
    }

    inline TQWidget *TQApplication::mainWidget() const
    {
        return main_widget;
    }

    inline TQWidget *TQApplication::focusWidget() const
    {
        return focus_widget;
    }

    inline TQWidget *TQApplication::activeWindow() const
    {
        return active_window;
    }

    inline TQWidget *TQApplication::widgetAt( const TQPoint &p, bool child )
    {
        return widgetAt( p.x(), p.y(), child );
    }

    inline bool TQApplication::inPopupMode() const
    {
        return popupWidgets != 0;
    }
    #ifndef TQT_NO_SESSIONMANAGER
    inline bool TQApplication::isSessionRestored() const
    {
        return is_session_restored;
    }

    inline TQString TQApplication::sessionId() const
    {
        return session_id;
    }

    inline TQString TQApplication::sessionKey() const
    {
        return session_key ? *session_key : TQString::null;
    }
    #endif
    inline TQSize TQApplication::globalStrut()
    {
        return app_strut;
    }

    inline bool TQApplication::sendEvent( TQObject *receiver, TQEvent *event )
    {  if ( event ) event->spont = FALSE; return tqApp ? tqApp->notify( receiver, event ) : FALSE; }

    inline bool TQApplication::sendSpontaneousEvent( TQObject *receiver, TQEvent *event )
    { if ( event ) event->spont = TRUE; return tqApp ? tqApp->notify( receiver, event ) : FALSE; }

    #ifdef TQT_NO_TRANSLATION
    // Simple versions
    inline TQString TQApplication::translate( const char *, const char *sourceText,
    					const char *, Encoding encoding ) const
    {
    #ifndef TQT_NO_TEXTCODEC
        if ( encoding == UnicodeUTF8 )
    	return TQString::fromUtf8( sourceText );
        else
    #endif
    	return TQString::fromLatin1( sourceText );
    }
    #endif

    inline int TQApplication::horizontalAlignment( int align )
    {
        align &= AlignHorizontal_Mask;
        if ( align == AlignAuto ) {
    	if ( reverseLayout() )
    	    align = AlignRight;
    	else
    	    align = AlignLeft;
        }
        return align;
    }

    #endif // TQAPPLICATION_H