QApplication类管理图形用户界面应用程序的控制流和主要设置。详情请见……

#include <qapplication.h>

继承了QObject。

被QXtApplication继承。

所有成员函数的列表。

QApplication( int&argc, char**argv )

QApplication( int&argc, char**argv, boolGUIenabled )

enumType{ Tty, GuiClient, GuiServer }

QApplication( int&argc, char**argv, Typetype )

QApplication( Display*dpy, HANDLEvisual = 0, HANDLEcolormap = 0 )

QApplication( Display*dpy, intargc, char**argv, HANDLEvisual = 0, HANDLEcolormap = 0 )

virtual~QApplication()

intargc() const

char **argv() const

Typetype() const

enumColorSpec{ NormalColor = 0, CustomColor = 1, ManyColor = 2 }

QWidget *mainWidget() const

virtual voidsetMainWidget( QWidget*mainWidget )

virtual voidpolish( QWidget*w )

QWidget *focusWidget() const

QWidget *activeWindow() const

intexec()

voidprocessEvents()

voidprocessEvents( intmaxtime )

voidprocessOneEvent()

boolhasPendingEvents()

intenter_loop()

voidexit_loop()

intloopLevel() const

virtual boolnotify( QObject*receiver, QEvent*e )

voidsetDefaultCodec( QTextCodec*codec )

QTextCodec *defaultCodec() const

voidinstallTranslator( QTranslator*mf )

voidremoveTranslator( QTranslator*mf )

enumEncoding{ DefaultCodec, UnicodeUTF8 }

QStringtranslate( constchar*context, constchar*sourceText, constchar*comment = 0, Encodingencoding = DefaultCodec ) const

virtual boolmacEventFilter( EventRef )

virtual boolwinEventFilter( MSG * )

virtual boolx11EventFilter( XEvent * )

intx11ProcessEvent( XEvent*event )

virtual boolqwsEventFilter( QWSEvent * )

voidqwsSetCustomColors( QRgb*colorTable, intstart, intnumColors )

voidwinFocus( QWidget*widget, boolgotFocus )

boolisSessionRestored() const

QStringsessionId() const

virtual voidcommitData( QSessionManager&sm )

virtual voidsaveState( QSessionManager&sm )

voidwakeUpGuiThread()

voidlock()

voidunlock( boolwakeUpGui = TRUE )

boollocked()

booltryLock()

voidquit()

voidcloseAllWindows()

voidlastWindowClosed()

voidaboutToQuit()

voidguiThreadAwake()

QStyle &style()

voidsetStyle( QStyle*style )

QStyle *setStyle( constQString&style )

intcolorSpec()

voidsetColorSpec( intspec )

QCursor *overrideCursor()

voidsetOverrideCursor( constQCursor&cursor, boolreplace = FALSE )

voidrestoreOverrideCursor()

boolhasGlobalMouseTracking()

voidsetGlobalMouseTracking( boolenable )

QPalettepalette( constQWidget*w = 0 )

voidsetPalette( constQPalette&palette, boolinformWidgets = FALSE, constchar*className = 0 )

QFontfont( constQWidget*w = 0 )

voidsetFont( constQFont&font, boolinformWidgets = FALSE, constchar*className = 0 )

QFontMetricsfontMetrics()

QWidgetList *allWidgets()

QWidgetList *topLevelWidgets()

QDesktopWidget *desktop()

QWidget *activePopupWidget()

QWidget *activeModalWidget()

QClipboard *clipboard()

QWidget *widgetAt( intx, inty, boolchild = FALSE )

QWidget *widgetAt( constQPoint&pos, boolchild = FALSE )

voidexit( intretcode = 0 )

boolsendEvent( QObject*receiver, QEvent*event )

voidpostEvent( QObject*receiver, QEvent*event )

voidsendPostedEvents( QObject*receiver, intevent_type )

voidsendPostedEvents()

voidremovePostedEvents( QObject*receiver )

boolstartingUp()

boolclosingDown()

voidflushX()

voidflush()

voidsyncX()

voidbeep()

void setWinStyleHighlightColor ( constQColor&c ) (obsolete)

const QColor & winStyleHighlightColor () (obsolete)

voidsetDesktopSettingsAware( boolon )

booldesktopSettingsAware()

voidsetCursorFlashTime( intmsecs )

intcursorFlashTime()

voidsetDoubleClickInterval( intms )

intdoubleClickInterval()

voidsetWheelScrollLines( intn )

intwheelScrollLines()

voidsetGlobalStrut( constQSize&strut )

QSizeglobalStrut()

voidsetLibraryPaths( constQStringList&paths )

QStringListlibraryPaths()

voidaddLibraryPath( constQString&path )

voidremoveLibraryPath( constQString&path )

voidsetStartDragTime( intms )

intstartDragTime()

voidsetStartDragDistance( intl )

intstartDragDistance()

voidsetReverseLayout( boolb )

boolreverseLayout()

inthorizontalAlignment( intalign )

boolisEffectEnabled( Qt::UIEffecteffect )

voidsetEffectEnabled( Qt::UIEffecteffect, boolenable = TRUE )

QWSDecoration &qwsDecoration()

voidqwsSetDecoration( QWSDecoration*d )

WindowsVersionwinVersion()

voidqAddPostRoutine( QtCleanUpFunctionp )

const char *qVersion()

boolqSysInfo( int*wordSize, bool*bigEndian )

voidqDebug( constchar*msg, ... )

voidqWarning( constchar*msg, ... )

voidqFatal( constchar*msg, ... )

voidqSystemWarning( constchar*msg, intcode )

voidQ_ASSERT( booltest )

voidQ_CHECK_PTR( void*p )

QtMsgHandlerqInstallMsgHandler( QtMsgHandlerh )