org.kde.qt
Class QSpinWidget

java.lang.Object
  extended by org.kde.qt.Qt
      extended by org.kde.qt.QObject
          extended by org.kde.qt.QWidget
              extended by org.kde.qt.QSpinWidget
All Implemented Interfaces:
QPaintDeviceInterface, QtSupport

public class QSpinWidget
extends QWidget

See QSpinWidgetSignals for signals emitted by QSpinWidget


Field Summary
static int PlusMinus
           
static int UpDownArrows
           
 
Fields inherited from class org.kde.qt.QWidget
AncestorOrigin, ClickFocus, NoFocus, ParentOrigin, StrongFocus, TabFocus, WheelFocus, WidgetOrigin, WindowOrigin
 
Fields inherited from class org.kde.qt.Qt
AlignAuto, AlignBottom, AlignCenter, AlignHCenter, AlignHorizontal_Mask, AlignJustify, AlignLeft, AlignRight, AlignTop, AlignVCenter, AlignVertical_Mask, AlphaDither_Mask, ALT, AltButton, AnchorHref, AnchorName, AndNotROP, AndROP, ArrowCursor, Ascending, ASCII_ACCEL, AutoColor, AutoDither, AutoText, AvoidDither, BDiagPattern, BeginsWith, BevelJoin, BitmapCursor, BlankCursor, Bottom, BottomLeft, BottomRight, BreakAnywhere, BusyCursor, CaseSensitive, ClearROP, ColorMode_Mask, ColorOnly, Contains, ControlButton, CopyROP, CrossCursor, CrossPattern, CTRL, CustomPattern, DashDotDotLine, DashDotLine, DashLine, Dense1Pattern, Dense2Pattern, Dense3Pattern, Dense4Pattern, Dense5Pattern, Dense6Pattern, Dense7Pattern, Descending, DiagCrossPattern, DiffuseAlphaDither, DiffuseDither, Dither_Mask, DitherMode_Mask, DockBottom, DockLeft, DockMinimized, DockRight, DockTop, DockTornOff, DockUnmanaged, DontClip, DontPrint, DotLine, DownArrow, EndsWith, EraseROP, ExactMatch, ExpandTabs, FDiagPattern, FixedColor, FixedPixmap, FlatCap, ForbiddenCursor, HiEnglishUnit, HiMetricUnit, Horizontal, HorPattern, IbeamCursor, Identical, IncludeTrailingSpaces, ISODate, Key_0, Key_1, Key_2, Key_3, Key_4, Key_5, Key_6, Key_7, Key_8, Key_9, Key_A, Key_aacute, Key_Aacute, Key_acircumflex, Key_Acircumflex, Key_acute, Key_adiaeresis, Key_Adiaeresis, Key_ae, Key_AE, Key_agrave, Key_Agrave, Key_Alt, Key_Ampersand, Key_Any, Key_Apostrophe, Key_aring, Key_Aring, Key_AsciiCircum, Key_AsciiTilde, Key_Asterisk, Key_At, Key_atilde, Key_Atilde, Key_B, Key_Back, Key_Backslash, Key_Backspace, Key_BackSpace, Key_Backtab, Key_BackTab, Key_Bar, Key_BassBoost, Key_BassDown, Key_BassUp, Key_BraceLeft, Key_BraceRight, Key_BracketLeft, Key_BracketRight, Key_brokenbar, Key_C, Key_CapsLock, Key_ccedilla, Key_Ccedilla, Key_cedilla, Key_cent, Key_Clear, Key_Colon, Key_Comma, Key_Control, Key_copyright, Key_currency, Key_D, Key_degree, Key_Delete, Key_diaeresis, Key_Direction_L, Key_Direction_R, Key_division, Key_Dollar, Key_Down, Key_E, Key_eacute, Key_Eacute, Key_ecircumflex, Key_Ecircumflex, Key_ediaeresis, Key_Ediaeresis, Key_egrave, Key_Egrave, Key_End, Key_Enter, Key_Equal, Key_Escape, Key_eth, Key_ETH, Key_Exclam, Key_exclamdown, Key_F, Key_F1, Key_F10, Key_F11, Key_F12, Key_F13, Key_F14, Key_F15, Key_F16, Key_F17, Key_F18, Key_F19, Key_F2, Key_F20, Key_F21, Key_F22, Key_F23, Key_F24, Key_F25, Key_F26, Key_F27, Key_F28, Key_F29, Key_F3, Key_F30, Key_F31, Key_F32, Key_F33, Key_F34, Key_F35, Key_F4, Key_F5, Key_F6, Key_F7, Key_F8, Key_F9, Key_Favorites, Key_Forward, Key_G, Key_Greater, Key_guillemotleft, Key_guillemotright, Key_H, Key_Help, Key_Home, Key_HomePage, Key_Hyper_L, Key_Hyper_R, Key_hyphen, Key_I, Key_iacute, Key_Iacute, Key_icircumflex, Key_Icircumflex, Key_idiaeresis, Key_Idiaeresis, Key_igrave, Key_Igrave, Key_Insert, Key_J, Key_K, Key_L, Key_Launch0, Key_Launch1, Key_Launch2, Key_Launch3, Key_Launch4, Key_Launch5, Key_Launch6, Key_Launch7, Key_Launch8, Key_Launch9, Key_LaunchA, Key_LaunchB, Key_LaunchC, Key_LaunchD, Key_LaunchE, Key_LaunchF, Key_LaunchMail, Key_LaunchMedia, Key_Left, Key_Less, Key_M, Key_macron, Key_masculine, Key_MediaLast, Key_MediaNext, Key_MediaPlay, Key_MediaPrev, Key_MediaRecord, Key_MediaStop, Key_Menu, Key_Meta, Key_Minus, Key_mu, Key_multiply, Key_N, Key_Next, Key_nobreakspace, Key_notsign, Key_ntilde, Key_Ntilde, Key_NumberSign, Key_NumLock, Key_O, Key_oacute, Key_Oacute, Key_ocircumflex, Key_Ocircumflex, Key_odiaeresis, Key_Odiaeresis, Key_ograve, Key_Ograve, Key_onehalf, Key_onequarter, Key_onesuperior, Key_Ooblique, Key_OpenUrl, Key_ordfeminine, Key_oslash, Key_otilde, Key_Otilde, Key_P, Key_PageDown, Key_PageUp, Key_paragraph, Key_ParenLeft, Key_ParenRight, Key_Pause, Key_Percent, Key_Period, Key_periodcentered, Key_Plus, Key_plusminus, Key_Print, Key_Prior, Key_Q, Key_Question, Key_questiondown, Key_QuoteDbl, Key_QuoteLeft, Key_R, Key_Refresh, Key_registered, Key_Return, Key_Right, Key_S, Key_ScrollLock, Key_Search, Key_section, Key_Semicolon, Key_Shift, Key_Slash, Key_Space, Key_ssharp, Key_Standby, Key_sterling, Key_Stop, Key_Super_L, Key_Super_R, Key_SysReq, Key_T, Key_Tab, Key_thorn, Key_THORN, Key_threequarters, Key_threesuperior, Key_TrebleDown, Key_TrebleUp, Key_twosuperior, Key_U, Key_uacute, Key_Uacute, Key_ucircumflex, Key_Ucircumflex, Key_udiaeresis, Key_Udiaeresis, Key_ugrave, Key_Ugrave, Key_Underscore, Key_unknown, Key_Up, Key_V, Key_VolumeDown, Key_VolumeMute, Key_VolumeUp, Key_W, Key_X, Key_Y, Key_yacute, Key_Yacute, Key_ydiaeresis, Key_yen, Key_Z, KeyButtonMask, Keypad, LastCursor, LastROP, Left, LeftArrow, LeftButton, LocalDate, LocalTime, LoEnglishUnit, LogText, LoMetricUnit, MacStyle, META, MetaButton, MidButton, Minimized, MiterJoin, MODIFIER_MASK, MonoOnly, MotifStyle, MouseButtonMask, MPenCapStyle, MPenJoinStyle, MPenStyle, MV_10_DOT_0, MV_10_DOT_1, MV_10_DOT_2, MV_10_DOT_3, MV_10_DOT_4, MV_9, MV_CHEETAH, MV_JAGUAR, MV_PANTHER, MV_PUMA, MV_TIGER, MV_Unknown, NandROP, NoAccel, NoAlpha, NoBackground, NoBrush, NoButton, NoMatch, NoPen, NopROP, NorROP, NotAndROP, NotCopyROP, NotEraseROP, NotOrROP, NotROP, NotXorROP, OpaqueMode, OrderedAlphaDither, OrderedDither, OrNotROP, OrROP, Overline, PaletteBackground, PaletteBase, PaletteBrightText, PaletteButton, PaletteButtonText, PaletteDark, PaletteForeground, PaletteHighlight, PaletteHighlightedText, PaletteLight, PaletteLink, PaletteLinkVisited, PaletteMid, PaletteMidlight, PaletteShadow, PaletteText, PartialMatch, PixelUnit, PlainText, PMStyle, PointingHandCursor, PreferDither, RichText, Right, RightArrow, RightButton, RoundCap, RoundJoin, SetROP, SHIFT, ShiftButton, ShowPrefix, SingleLine, SizeAllCursor, SizeBDiagCursor, SizeFDiagCursor, SizeHorCursor, SizeVerCursor, SolidLine, SolidPattern, SplitHCursor, SplitVCursor, SquareCap, StrikeOut, TextDate, ThresholdAlphaDither, ThresholdDither, Top, TopLeft, TopRight, TornOff, TransparentMode, TwipsUnit, UI_AnimateCombo, UI_AnimateMenu, UI_AnimateToolBox, UI_AnimateTooltip, UI_FadeMenu, UI_FadeTooltip, UI_General, Underline, UNICODE_ACCEL, Unmanaged, UpArrow, UpArrowCursor, UTC, VerPattern, Vertical, WaitCursor, WDestructiveClose, WGroupLeader, WhatsThisCursor, Win3Style, WindowActive, WindowFullScreen, WindowMaximized, WindowMinimized, WindowNoState, WindowsStyle, WMacDrawer, WMacNoSheet, WMouseNoMask, WNoAutoErase, WNoMousePropagation, WNorthWestGravity, WordBreak, WPaintClever, WPaintDesktop, WPaintUnclipped, WRepaintNoErase, WResizeNoErase, WShowModal, WState_AutoMask, WState_BlockUpdates, WState_CompressKeys, WState_ConfigPending, WState_Created, WState_CreatedHidden, WState_Disabled, WState_DND, WState_Exposed, WState_ForceDisabled, WState_ForceHide, WState_FullScreen, WState_HasMouse, WState_InPaintEvent, WState_Maximized, WState_Minimized, WState_MouseTracking, WState_OwnCursor, WState_OwnSizePolicy, WState_Polished, WState_Reparented, WState_Reserved0, WState_Resized, WState_Visible, WStaticContents, WStyle_ContextHelp, WStyle_Customize, WStyle_Dialog, WStyle_DialogBorder, WStyle_Mask, WStyle_Maximize, WStyle_Minimize, WStyle_MinMax, WStyle_NoBorder, WStyle_NoBorderEx, WStyle_NormalBorder, WStyle_Reserved, WStyle_Splash, WStyle_StaysOnTop, WStyle_SysMenu, WStyle_Title, WStyle_Tool, WSubWindow, WType_Desktop, WType_Dialog, WType_Mask, WType_Modal, WType_Popup, WType_TopLevel, WV_2000, WV_2003, WV_32s, WV_95, WV_98, WV_CE, WV_CE_based, WV_CENET, WV_DOS_based, WV_Me, WV_NT, WV_NT_based, WV_XP, WWinOwnDC, WX11BypassWM, X11ParentRelative, XorROP
 
Constructor Summary
  QSpinWidget()
           
protected QSpinWidget(java.lang.Class dummy)
           
  QSpinWidget(QWidget parent)
           
  QSpinWidget(QWidget parent, java.lang.String name)
           
 
Method Summary
 void arrange()
           
 int buttonSymbols()
           
 java.lang.String className()
           
 void dispose()
          Delete the wrapped C++ instance ahead of finalize()
 QRect downRect()
           
 QWidget editWidget()
           
protected  void enableChanged(boolean old)
           
protected  void finalize()
          Deletes the wrapped C++ instance
 boolean isDisposed()
          Has the wrapped C++ instance been deleted?
 boolean isDownEnabled()
           
 boolean isUpEnabled()
           
 QMetaObject metaObject()
           
protected  void mouseMoveEvent(QMouseEvent e)
           
protected  void mousePressEvent(QMouseEvent e)
           
protected  void mouseReleaseEvent(QMouseEvent e)
           
protected  void paintEvent(QPaintEvent arg1)
           
protected  void resizeEvent(QResizeEvent ev)
           
 void setButtonSymbols(int bs)
           
 void setDownEnabled(boolean on)
           
 void setEditWidget(QWidget widget)
           
 void setUpEnabled(boolean on)
           
 void stepDown()
           
 void stepUp()
           
 void styleChange(QStyle arg1)
           
static java.lang.String tr(java.lang.String arg1)
           
static java.lang.String tr(java.lang.String arg1, java.lang.String arg2)
           
 QRect upRect()
           
protected  void wheelEvent(QWheelEvent arg1)
           
protected  void windowActivationChange(boolean arg1)
           
 
Methods inherited from class org.kde.qt.QWidget
acceptDrops, adjustSize, autoMask, backgroundBrush, backgroundColor, backgroundMode, backgroundOffset, backgroundOrigin, backgroundPixmap, baseSize, caption, childAt, childAt, childAt, childAt, childrenRect, childrenRegion, clearFocus, clearMask, clearWFlags, clearWState, clipRegion, close, close, closeEvent, colorGroup, constPolish, contextMenuEvent, create, create, create, create, cursor, customWhatsThis, destroy, destroy, destroy, devType, dragEnterEvent, dragLeaveEvent, dragMoveEvent, drawText, drawText, dropEvent, enabledChange, enterEvent, erase, erase, erase, erase, eraseColor, erasePixmap, event, find, focusData, focusInEvent, focusNextPrevChild, focusOutEvent, focusPolicy, focusProxy, focusWidget, font, fontChange, fontInf, fontInfo, fontMet, fontMet, fontMet, fontMetrics, foregroundColor, frameGeometry, frameSize, geometry, getWFlags, getWState, grabKeyboard, grabMouse, grabMouse, hasFocus, hasMouse, hasMouseTracking, height, heightForWidth, hide, hideEvent, icon, iconify, iconText, imComposeEvent, imEndEvent, imStartEvent, isActiveWindow, isDesktop, isDialog, isEnabled, isEnabledTo, isEnabledToTLW, isExtDev, isFocusEnabled, isFullScreen, isHidden, isInputMethodEnabled, isMaximized, isMinimized, isModal, isPopup, isShown, isTopLevel, isUpdatesEnabled, isVisible, isVisibleTo, isVisibleToTLW, keyboardGrabber, keyPressEvent, keyReleaseEvent, layout, leaveEvent, lower, mapFrom, mapFromGlobal, mapFromParent, mapTo, mapToGlobal, mapToParent, maximumHeight, maximumSize, maximumWidth, metric, microFocusHint, minimumHeight, minimumSize, minimumSizeHint, minimumWidth, mouseDoubleClickEvent, mouseGrabber, move, move, moveEvent, ownCursor, ownFont, ownPalette, paintDevice, paintingActive, palette, paletteBackgroundColor, paletteBackgroundPixmap, paletteChange, paletteForegroundColor, parentWidget, parentWidget, polish, pos, raise, recreate, recreate, rect, releaseKeyboard, releaseMouse, repaint, repaint, repaint, repaint, repaint, repaint, repaint, repaint, reparent, reparent, reparent, reparent, resetInputContext, resize, resize, resolution, scroll, scroll, setAcceptDrops, setActiveWindow, setAutoMask, setBackgroundColor, setBackgroundMode, setBackgroundMode, setBackgroundOrigin, setBackgroundPixmap, setBaseSize, setBaseSize, setCaption, setCursor, setDisabled, setEnabled, setEraseColor, setErasePixmap, setFixedHeight, setFixedSize, setFixedSize, setFixedWidth, setFocus, setFocusPolicy, setFocusProxy, setFont, setFont, setGeometry, setGeometry, setHidden, setIcon, setIconText, setInputMethodEnabled, setKeyCompression, setMask, setMask, setMaximumHeight, setMaximumSize, setMaximumSize, setMaximumWidth, setMicroFocusHint, setMicroFocusHint, setMicroFocusHint, setMinimumHeight, setMinimumSize, setMinimumSize, setMinimumWidth, setMouseTracking, setName, setPalette, setPalette, setPaletteBackgroundColor, setPaletteBackgroundPixmap, setPaletteForegroundColor, setResolution, setShown, setSizeIncrement, setSizeIncrement, setSizePolicy, setSizePolicy, setSizePolicy, setStyle, setStyle, setTabOrder, setUpdatesEnabled, setWFlags, setWindowOpacity, setWindowState, setWState, show, showEvent, showFullScreen, showMaximized, showMinimized, showNormal, size, sizeHint, sizeIncrement, sizePolicy, stackUnder, style, tabletEvent, testWFlags, testWState, topLevelWidget, unsetCursor, unsetFont, unsetPalette, update, update, update, updateGeometry, updateMask, visibleRect, width, windowOpacity, windowState, winId, x, y
 
Methods inherited from class org.kde.qt.QObject
activate_filters, activate_signal_bool, activate_signal, activate_signal, activate_signal, activate_signal, blockSignals, checkConnectArgs, child, child, child, childEvent, children, connect, connect, connectInternal, connectNotify, customEvent, deleteLater, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnectInternal, disconnectNotify, dumpObjectInfo, dumpObjectTree, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, eventFilter, highPriority, i18n, inherits, insertChild, installEventFilter, isA, isWidgetType, killTimer, killTimers, name, name, normalizeSignalSlot, objectTrees, parent, property, queryList, queryList, queryList, queryList, queryList, registerUserData, removeChild, removeEventFilter, sender, setProperty, signalsBlocked, startTimer, timerEvent
 
Methods inherited from class org.kde.qt.Qt
arrowCursor, bin, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, bitBlt, black, blankCursor, blue, color0, color1, copyBlt, copyBlt, copyBlt, copyBlt, copyBlt, crossCursor, cyan, darkBlue, darkCyan, darkGray, darkGreen, darkMagenta, darkRed, darkYellow, dec, dynamicCast, endl, flush, forbiddenCursor, fromUtf8, gray, green, hex, ibeamCursor, lightGray, magenta, oct, op_div, op_div, op_div, op_div, op_equals, op_equals, op_equals, op_equals, op_minus, op_minus, op_minus, op_mult, op_mult, op_mult, op_mult, op_mult, op_mult, op_mult, op_mult, op_mult, op_not_equals, op_not_equals, op_not_equals, op_not_equals, op_plus, op_plus, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_read, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, op_write, pointingHandCursor, qAlpha, qApp, qAppName, qBlue, qCompress, qCompress, qDebug, qDebug, qDrawArrow, qDrawItem, qDrawItem, qDrawItem, qDrawPlainRect, qDrawPlainRect, qDrawPlainRect, qDrawPlainRect, qDrawPlainRect, qDrawPlainRect, qDrawShadeLine, qDrawShadeLine, qDrawShadeLine, qDrawShadeLine, qDrawShadeLine, qDrawShadeLine, qDrawShadeLine, qDrawShadeLine, qDrawShadePanel, qDrawShadePanel, qDrawShadePanel, qDrawShadePanel, qDrawShadePanel, qDrawShadePanel, qDrawShadePanel, qDrawShadePanel, qDrawShadeRect, qDrawShadeRect, qDrawShadeRect, qDrawShadeRect, qDrawShadeRect, qDrawShadeRect, qDrawShadeRect, qDrawShadeRect, qDrawShadeRect, qDrawShadeRect, qDrawWinButton, qDrawWinButton, qDrawWinButton, qDrawWinButton, qDrawWinButton, qDrawWinButton, qDrawWinPanel, qDrawWinPanel, qDrawWinPanel, qDrawWinPanel, qDrawWinPanel, qDrawWinPanel, qFatal, qFatal, qGLVersion, qGray, qGray, qGreen, qInitNetworkProtocols, qInstallPath, qInstallPathBins, qInstallPathData, qInstallPathDocs, qInstallPathHeaders, qInstallPathLibs, qInstallPathPlugins, qInstallPathSysconf, qInstallPathTranslations, qItemRect, qItemRect, qObsolete, qObsolete, qObsolete, qRed, qRgb, qRgba, qRound, qSharedBuild, qSuppressObsoleteWarnings, qSuppressObsoleteWarnings, qSysInfo, qSystemWarning, qSystemWarning, qUncompress, qUncompress, qVersion, qWarning, qWarning, red, reset, SIGNAL, sizeAllCursor, sizeBDiagCursor, sizeFDiagCursor, sizeHorCursor, sizeVerCursor, SLOT, splitHCursor, splitVCursor, upArrowCursor, waitCursor, whatsThisCursor, white, ws, yellow
 
Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

UpDownArrows

public static final int UpDownArrows
See Also:
Constant Field Values

PlusMinus

public static final int PlusMinus
See Also:
Constant Field Values
Constructor Detail

QSpinWidget

protected QSpinWidget(java.lang.Class dummy)

QSpinWidget

public QSpinWidget(QWidget parent,
                   java.lang.String name)

QSpinWidget

public QSpinWidget(QWidget parent)

QSpinWidget

public QSpinWidget()
Method Detail

metaObject

public QMetaObject metaObject()
Overrides:
metaObject in class QWidget

className

public java.lang.String className()
Overrides:
className in class QWidget

setEditWidget

public void setEditWidget(QWidget widget)

editWidget

public QWidget editWidget()

upRect

public QRect upRect()

downRect

public QRect downRect()

setUpEnabled

public void setUpEnabled(boolean on)

setDownEnabled

public void setDownEnabled(boolean on)

isUpEnabled

public boolean isUpEnabled()

isDownEnabled

public boolean isDownEnabled()

setButtonSymbols

public void setButtonSymbols(int bs)

buttonSymbols

public int buttonSymbols()

arrange

public void arrange()

stepUp

public void stepUp()

stepDown

public void stepDown()

tr

public static java.lang.String tr(java.lang.String arg1,
                                  java.lang.String arg2)

tr

public static java.lang.String tr(java.lang.String arg1)

mousePressEvent

protected void mousePressEvent(QMouseEvent e)
Overrides:
mousePressEvent in class QWidget

resizeEvent

protected void resizeEvent(QResizeEvent ev)
Overrides:
resizeEvent in class QWidget

mouseReleaseEvent

protected void mouseReleaseEvent(QMouseEvent e)
Overrides:
mouseReleaseEvent in class QWidget

mouseMoveEvent

protected void mouseMoveEvent(QMouseEvent e)
Overrides:
mouseMoveEvent in class QWidget

wheelEvent

protected void wheelEvent(QWheelEvent arg1)
Overrides:
wheelEvent in class QWidget

styleChange

public void styleChange(QStyle arg1)
Overrides:
styleChange in class QWidget

paintEvent

protected void paintEvent(QPaintEvent arg1)
Overrides:
paintEvent in class QWidget

enableChanged

protected void enableChanged(boolean old)

windowActivationChange

protected void windowActivationChange(boolean arg1)
Overrides:
windowActivationChange in class QWidget

finalize

protected void finalize()
                 throws java.lang.InternalError
Deletes the wrapped C++ instance

Overrides:
finalize in class QWidget
Throws:
java.lang.InternalError

dispose

public void dispose()
Delete the wrapped C++ instance ahead of finalize()

Overrides:
dispose in class QWidget

isDisposed

public boolean isDisposed()
Has the wrapped C++ instance been deleted?

Overrides:
isDisposed in class QWidget