Qt 3 Support Members for QWidgetThe following class members are part of the Qt 3 support layer. They are provided to help you port old code to Qt 4. We advise against using them in new code. Public Types
Public Functions
Public Slots
Static Public Members
Member Type Documentationenum QWidget::BackgroundOrigin
Member Function DocumentationQWidget::QWidget ( QWidget * parent, const char * name, Qt::WindowFlags f = 0 )This is an overloaded function. Qt::BackgroundMode QWidget::backgroundMode () constReturns the color role used for painting the widget's background. Use QPalette(backgroundRole(()) instead. See also setBackgroundMode(). QPoint QWidget::backgroundOffset () constAlways returns QPoint(). BackgroundOrigin QWidget::backgroundOrigin () constAlways returns WindowOrigin. See also setBackgroundOrigin(). QString QWidget::caption () constUse windowTitle() instead. See also setCaption(). QWidget * QWidget::childAt ( int x, int y, bool includeThis ) constUse the childAt() overload that doesn't have an includeThis parameter. For example, if you have code like return widget->childAt(x, y, true); you can rewrite it as QWidget *child = widget->childAt(x, y, true); if (child) return child; if (widget->rect().contains(x, y)) return widget; QWidget * QWidget::childAt ( const QPoint & p, bool includeThis ) constUse the single point argument overload instead. bool QWidget::close ( bool alsoDelete )Closes the widget. Use the no-argument overload instead. QColorGroup QWidget::colorGroup () constUse QColorGroup(palette()) instead. void QWidget::constPolish () constUse ensurePolished() instead. void QWidget::drawText ( const QPoint & p, const QString & s )Drawing may only take place in a QPaintEvent. Overload paintEvent() to do your drawing and call update() to schedule a replaint whenever necessary. See also QPainter. void QWidget::drawText ( int x, int y, const QString & s )Drawing may only take place in a QPaintEvent. Overload paintEvent() to do your drawing and call update() to schedule a replaint whenever necessary. See also QPainter. void QWidget::erase ()Drawing may only take place in a QPaintEvent. Overload paintEvent() to do your erasing and call update() to schedule a replaint whenever necessary. See also QPainter. void QWidget::erase ( int x, int y, int w, int h )Drawing may only take place in a QPaintEvent. Overload paintEvent() to do your erasing and call update() to schedule a replaint whenever necessary. See also QPainter. void QWidget::erase ( const QRect & rect )Drawing may only take place in a QPaintEvent. Overload paintEvent() to do your erasing and call update() to schedule a replaint whenever necessary. See also QPainter. void QWidget::erase ( const QRegion & rgn )This is an overloaded function. Clear the given region, rgn. Drawing may only take place in a QPaintEvent. Overload paintEvent() to do your erasing and call update() to schedule a replaint whenever necessary. See also QPainter. bool QWidget::hasMouse () constUse testAttribute(Qt::WA_UnderMouse) instead. const QPixmap * QWidget::icon () constReturn's the widget's icon. Use windowIcon() instead. See also setIcon(). QString QWidget::iconText () constUse windowIconText() instead. See also setIconText(). void QWidget::iconify ()Use showMinimized() instead. bool QWidget::isDesktop () constUse windowType() == Qt::Desktop instead. bool QWidget::isDialog () constUse windowType() == Qt::Dialog instead. bool QWidget::isInputMethodEnabled () constUse testAttribute(Qt::WA_InputMethodEnabled) instead. bool QWidget::isPopup () constUse windowType() == Qt::Popup instead. bool QWidget::isShown () constUse !isHidden() instead (notice the exclamation mark), or use isVisible() to check whether the widget is visible. bool QWidget::isUpdatesEnabled () constUse the updatesEnabled property instead. bool QWidget::isVisibleToTLW () constUse isVisible() instead. bool QWidget::ownCursor () constUse testAttribute(Qt::WA_SetCursor) instead. bool QWidget::ownFont () constUse testAttribute(Qt::WA_SetFont) instead. bool QWidget::ownPalette () constUse testAttribute(Qt::WA_SetPalette) instead. QWidget * QWidget::parentWidget ( bool sameWindow ) constUse the no-argument overload instead. void QWidget::polish ()Use ensurePolished() instead. void QWidget::recreate ( QWidget * parent, Qt::WindowFlags f, const QPoint & p, bool showIt = false )Use setParent() to change the parent or the widget's widget flags; use move() to move the widget, and use show() to show the widget. void QWidget::repaint ( bool b )The boolean parameter b is ignored. Use the no-argument overload instead. void QWidget::repaint ( int x, int y, int w, int h, bool b )The boolean parameter b is ignored. Use the four-argument overload instead. void QWidget::repaint ( const QRect & r, bool b )The boolean parameter b is ignored. Use the single rect-argument overload instead. void QWidget::repaint ( const QRegion & rgn, bool b )The boolean parameter b is ignored. Use the single region-argument overload instead. void QWidget::reparent ( QWidget * parent, Qt::WindowFlags f, const QPoint & p, bool showIt = false )Use setParent() to change the parent or the widget's widget flags; use move() to move the widget, and use show() to show the widget. void QWidget::reparent ( QWidget * parent, const QPoint & p, bool showIt = false )Use setParent() to change the parent; use move() to move the widget, and use show() to show the widget. void QWidget::setActiveWindow ()Use activateWindow() instead. See also isActiveWindow(). void QWidget::setBackgroundColor ( const QColor & color )Use the palette instead. For example, if you have code like widget->setBackgroundColor(color); you can rewrite it as QPalette palette; palette.setColor(widget->backgroundRole(), color); widget->setPalette(palette); void QWidget::setBackgroundMode ( Qt::BackgroundMode widgetBackground, Qt::BackgroundMode paletteBackground = Qt::PaletteBackground )Sets the color role used for painting the widget's background to background mode widgetBackground. The paletteBackground mode parameter is ignored. See also backgroundMode(). void QWidget::setBackgroundOrigin ( BackgroundOrigin background )See also backgroundOrigin(). void QWidget::setBackgroundPixmap ( const QPixmap & pixmap )Use the palette instead. For example, if you have code like widget->setBackgroundPixmap(pixmap); you can rewrite it as QPalette palette; palette.setBrush(widget->backgroundRole(), QBrush(pixmap)); widget->setPalette(palette); void QWidget::setCaption ( const QString & c )Use setWindowTitle() instead. See also caption(). void QWidget::setEraseColor ( const QColor & color )Use the palette instead. For example, if you have code like widget->setEraseColor(color); you can rewrite it as QPalette palette; palette.setColor(widget->backgroundRole(), color); widget->setPalette(palette); void QWidget::setErasePixmap ( const QPixmap & pixmap )Use the palette instead. For example, if you have code like widget->setErasePixmap(pixmap); you can rewrite it as QPalette palette; palette.setBrush(widget->backgroundRole(), QBrush(pixmap)); widget->setPalette(palette); void QWidget::setFont ( const QFont & f, bool b )Use the single-argument overload instead. void QWidget::setIcon ( const QPixmap & i )Use setWindowIcon() instead. See also icon(). void QWidget::setIconText ( const QString & it )Use setWindowIconText() instead. See also iconText(). void QWidget::setInputMethodEnabled ( bool enabled )Use setAttribute(Qt::WA_InputMethodEnabled, enabled) instead. See also isInputMethodEnabled(). void QWidget::setKeyCompression ( bool b )Use setAttribute(Qt::WA_KeyCompression, b) instead. void QWidget::setPalette ( const QPalette & p, bool b )Use the single-argument overload instead. void QWidget::setPaletteBackgroundColor ( const QColor & color )Use the palette directly. For example, if you have code like widget->setPaletteBackgroundColor(color); you can rewrite it as QPalette palette; palette.setColor(widget->backgroundRole(), color); widget->setPalette(palette); void QWidget::setPaletteBackgroundPixmap ( const QPixmap & pixmap )Use the palette directly. For example, if you have code like widget->setPaletteBackgroundPixmap(pixmap); you can rewrite it as QPalette palette; palette.setBrush(widget->backgroundRole(), QBrush(pixmap)); widget->setPalette(palette); void QWidget::setPaletteForegroundColor ( const QColor & color )Use the palette directly. For example, if you have code like widget->setPaletteForegroundColor(color); you can rewrite it as QPalette palette; palette.setColor(widget->foregroundRole(), color); widget->setPalette(palette); void QWidget::setShown ( bool shown ) [slot]Use setVisible(shown) instead. See also isShown(). void QWidget::setSizePolicy ( QSizePolicy::Policy hor, QSizePolicy::Policy ver, bool hfw )Use the sizePolicy property and heightForWidth() function instead. QStyle * QWidget::setStyle ( const QString & style )This is an overloaded function. Sets the widget's GUI style to style using the QStyleFactory. void QWidget::unsetFont ()Use setFont(QFont()) instead. void QWidget::unsetPalette ()Use setPalette(QPalette()) instead. QRect QWidget::visibleRect () constUse visibleRegion() instead. QWidgetMapper * QWidget::wmapper () [static]The widget mapper is no longer part of the public API.
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