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572 lines
24 KiB
572 lines
24 KiB
#ifndef breezestyle_h |
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#define breezestyle_h |
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////////////////////////////////////////////////////////////////////////////// |
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// breezestyle.h |
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// Breeze widget style for KDE Frameworks |
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// ------------------- |
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// |
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// Copyright (C) 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr> |
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// |
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// This library is free software; you can redistribute it and/or |
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// modify it under the terms of the GNU Library General Public |
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// License version 2 as published by the Free Software Foundation. |
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// |
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// Library General Public License for more details. |
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// |
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// You should have received a copy of the GNU Library General Public License |
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// along with this library; see the file COPYING.LIB. If not, write to |
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// the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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// Boston, MA 02110-1301, USA. |
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////////////////////////////////////////////////////////////////////////////// |
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#include "breezemetrics.h" |
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#include <KStyle> |
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#include <QDockWidget> |
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#include <QIcon> |
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#include <QLoggingCategory> |
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#include <QStyleOption> |
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#include <QStylePlugin> |
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#include <QWidget> |
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namespace BreezePrivate |
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{ |
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class TabBarData; |
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} |
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namespace Breeze |
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{ |
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class Animations; |
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class FrameShadowFactory; |
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class Helper; |
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class Mnemonics; |
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class WindowManager; |
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class StylePlugin : public QStylePlugin |
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{ |
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Q_OBJECT |
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Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QStyleFactoryInterface" FILE "breeze.json" ) |
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public: |
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//! constructor |
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StylePlugin(QObject *parent = 0): |
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QStylePlugin(parent) |
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{} |
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//! destructor |
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~StylePlugin(); |
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//! create style |
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QStyle* create( const QString& ); |
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}; |
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//! base class for breeze style |
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/*! it is responsible to draw all the primitives to be displayed on screen, on request from Qt paint engine */ |
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class Style: public KStyle |
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{ |
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Q_OBJECT |
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/* this tells kde applications that custom style elements are supported, using the kstyle mechanism */ |
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Q_CLASSINFO ("X-KDE-CustomElements", "true") |
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public: |
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//! constructor |
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explicit Style( void ); |
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//! destructor |
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virtual ~Style( void ); |
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//! widget polishing |
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virtual void polish( QWidget* ); |
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//! widget unpolishing |
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virtual void unpolish( QWidget* ); |
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//! needed to avoid warnings at compilation time |
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using KStyle::polish; |
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using KStyle::unpolish; |
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//! pixel metrics |
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virtual int pixelMetric(PixelMetric, const QStyleOption* = 0, const QWidget* = 0) const; |
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//! style hints |
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virtual int styleHint(StyleHint, const QStyleOption* = 0, const QWidget* = 0, QStyleHintReturn* = 0) const; |
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//! returns rect corresponding to one widget's subelement |
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virtual QRect subElementRect( SubElement subRect, const QStyleOption*, const QWidget* ) const; |
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//! returns rect corresponding to one widget's subcontrol |
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virtual QRect subControlRect( ComplexControl, const QStyleOptionComplex*, SubControl, const QWidget* ) const; |
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//! returns size matching contents |
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QSize sizeFromContents( ContentsType, const QStyleOption*, const QSize&, const QWidget* ) const; |
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//! returns which subcontrol given QPoint corresponds to |
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SubControl hitTestComplexControl( ComplexControl, const QStyleOptionComplex*, const QPoint&, const QWidget* ) const; |
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//! primitives |
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void drawPrimitive( PrimitiveElement, const QStyleOption*, QPainter*, const QWidget* ) const; |
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//! controls |
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void drawControl( ControlElement, const QStyleOption*, QPainter*, const QWidget* ) const; |
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//! complex controls |
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void drawComplexControl( ComplexControl, const QStyleOptionComplex*, QPainter*, const QWidget* ) const; |
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//! generic text rendering |
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virtual void drawItemText( |
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QPainter*, const QRect&, int alignment, const QPalette&, bool enabled, |
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const QString&, QPalette::ColorRole = QPalette::NoRole) const; |
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//!@name event filters |
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//@{ |
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virtual bool eventFilter(QObject *, QEvent *); |
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//! dock widget |
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/*! needed to render proper frame */ |
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bool eventFilterDockWidget( QDockWidget*, QEvent* ); |
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//! install event filter to object, in a unique way |
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void addEventFilter( QObject* object ) |
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{ |
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object->removeEventFilter( this ); |
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object->installEventFilter( this ); |
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} |
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//@} |
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protected Q_SLOTS: |
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//! update breeze configuration |
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void configurationChanged( void ); |
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protected: |
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// //! standard icons |
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// virtual QIcon standardIcon( StandardPixmap, const QStyleOption* = 0, const QWidget* = 0) const; |
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//! load configuration |
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void loadConfiguration(); |
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//!@name enumerations and convenience classes |
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//@{ |
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//! arrow orientation |
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enum ArrowOrientation |
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{ |
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ArrowNone, |
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ArrowUp, |
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ArrowDown, |
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ArrowLeft, |
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ArrowRight |
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}; |
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//! get polygon corresponding to generic arrow |
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enum ArrowSize |
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{ |
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ArrowNormal, |
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ArrowSmall, |
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ArrowTiny |
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}; |
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//@} |
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//!@name subelementRect specialized functions |
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//@{ |
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//! default implementation. Does not change anything |
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QRect defaultSubElementRect( const QStyleOption* option, const QWidget* ) const |
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{ return option->rect; } |
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// //! pushbutton contents |
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// QRect pushButtonContentsRect( const QStyleOption* option, const QWidget* ) const; |
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// |
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// //! toolbox tab |
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// QRect toolBoxTabContentsRect( const QStyleOption* option, const QWidget* ) const; |
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// |
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//! checkbox contents |
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QRect checkBoxContentsRect( const QStyleOption* option, const QWidget* ) const |
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{ return handleRTL( option, option->rect.adjusted( Metrics::CheckBox_Size + Metrics::CheckBox_BoxTextSpace, 0, 0, 0 ) ); } |
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//! checkbox focus |
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QRect checkBoxFocusRect( const QStyleOption*, const QWidget* ) const; |
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//! radio button contents |
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QRect radioButtonContentsRect( const QStyleOption* option, const QWidget* widget ) const |
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{ return checkBoxContentsRect( option, widget ); } |
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//! radio button focus |
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QRect radioButtonFocusRect( const QStyleOption* option, const QWidget* widget ) const |
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{ return checkBoxFocusRect( option, widget ); } |
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//! line edit contents |
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QRect lineEditContentsRect( const QStyleOption*, const QWidget* ) const; |
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//! progressbar groove |
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QRect progressBarGrooveRect( const QStyleOption* option, const QWidget* ) const; |
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//! progressbar groove |
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QRect progressBarContentsRect( const QStyleOption* option, const QWidget* ) const; |
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//! progressbar label |
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QRect progressBarLabelRect( const QStyleOption* option, const QWidget* ) const; |
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// //! tabBar buttons |
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// QRect tabBarTabLeftButtonRect( const QStyleOption* option, const QWidget* widget ) const; |
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// |
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// QRect tabBarTabRightButtonRect( const QStyleOption* option, const QWidget* widget ) const; |
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// |
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// QRect tabBarTabButtonRect( SubElement, const QStyleOption*, const QWidget* ) const; |
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// |
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// // tabbar tab text |
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// QRect tabBarTabTextRect( const QStyleOption* option, const QWidget* widget ) const; |
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// |
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// view headers |
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QRect headerArrowRect( const QStyleOption* option, const QWidget* ) const; |
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QRect headerLabelRect( const QStyleOption* option, const QWidget* ) const; |
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// tab widgets |
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QRect tabWidgetTabBarRect( const QStyleOption*, const QWidget* ) const; |
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QRect tabWidgetTabContentsRect( const QStyleOption*, const QWidget* ) const; |
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QRect tabWidgetTabPaneRect( const QStyleOption*, const QWidget* ) const; |
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QRect tabWidgetCornerRect( SubElement, const QStyleOption* option, const QWidget* widget ) const; |
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//@} |
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//!@name subcontrol Rect specialized functions |
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//@{ |
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QRect groupBoxSubControlRect( const QStyleOptionComplex*, SubControl, const QWidget* ) const; |
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QRect comboBoxSubControlRect( const QStyleOptionComplex*, SubControl, const QWidget* ) const; |
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QRect spinBoxSubControlRect( const QStyleOptionComplex*, SubControl, const QWidget* ) const; |
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QRect scrollBarInternalSubControlRect( const QStyleOptionComplex*, SubControl ) const; |
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QRect scrollBarSubControlRect( const QStyleOptionComplex*, SubControl, const QWidget* ) const; |
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QRect dialSubControlRect( const QStyleOptionComplex*, SubControl, const QWidget* ) const; |
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//@} |
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//!@name sizeFromContents |
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//@{ |
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QSize defaultSizeFromContents( const QStyleOption*, const QSize& size, const QWidget* ) const |
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{ return size; } |
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QSize checkBoxSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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QSize lineEditSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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QSize comboBoxSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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QSize spinBoxSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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QSize pushButtonSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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QSize menuBarItemSizeFromContents( const QStyleOption*, const QSize& size, const QWidget* ) const; |
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// QSize menuBarSizeFromContents( const QStyleOption*, const QSize& size, const QWidget* ) const; |
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// QSize menuItemSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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QSize progressBarSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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QSize tabWidgetSizeFromContents( const QStyleOption*, const QSize& size, const QWidget* ) const; |
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QSize tabBarTabSizeFromContents( const QStyleOption*, const QSize& size, const QWidget* ) const; |
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// QSize tabWidgetSizeFromContents( const QStyleOption*, const QSize& size, const QWidget* ) const; |
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// QSize toolButtonSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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QSize headerSectionSizeFromContents( const QStyleOption*, const QSize&, const QWidget* ) const; |
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//@} |
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//!@name primitives specialized functions |
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//@{ |
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bool emptyPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const |
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{ return true; } |
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bool drawFramePrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawFrameGroupBoxPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawFrameMenuPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawFrameTabWidgetPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawFrameTabBarBasePrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawFrameFocusRectPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawFrameWindowPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawIndicatorTabClose( const QStyleOption* option, QPainter* painter, const QWidget* widget ) const; |
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bool drawIndicatorArrowUpPrimitive( const QStyleOption* option, QPainter* painter, const QWidget* widget ) const |
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{ return drawIndicatorArrowPrimitive( ArrowUp, option, painter, widget ); } |
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bool drawIndicatorArrowDownPrimitive( const QStyleOption* option, QPainter* painter, const QWidget* widget ) const |
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{ return drawIndicatorArrowPrimitive( ArrowDown, option, painter, widget ); } |
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bool drawIndicatorArrowLeftPrimitive( const QStyleOption* option, QPainter* painter, const QWidget* widget ) const |
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{ return drawIndicatorArrowPrimitive( ArrowLeft, option, painter, widget ); } |
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bool drawIndicatorArrowRightPrimitive( const QStyleOption* option, QPainter* painter, const QWidget* widget ) const |
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{ return drawIndicatorArrowPrimitive( ArrowRight, option, painter, widget ); } |
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bool drawIndicatorArrowPrimitive( ArrowOrientation, const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawIndicatorHeaderArrowPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// //! dock widget separators |
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// /*! it uses the same painting as QSplitter, but due to Qt, the horizontal/vertical convention is inverted */ |
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// bool drawIndicatorDockWidgetResizeHandlePrimitive( const QStyleOption* option, QPainter* painter, const QWidget* widget) const; |
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bool drawPanelButtonCommandPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawPanelButtonToolPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawPanelMenuPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawPanelScrollAreaCornerPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawPanelTipLabelPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawPanelItemViewItemPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawPanelLineEditPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawIndicatorMenuCheckMarkPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawIndicatorBranchPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawIndicatorButtonDropDownPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawIndicatorCheckBoxPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawIndicatorRadioButtonPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawIndicatorTabTearPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawIndicatorToolBarHandlePrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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bool drawIndicatorToolBarSeparatorPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// bool drawWidgetPrimitive( const QStyleOption*, QPainter*, const QWidget* ) const; |
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//@} |
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//!@name controls specialized functions |
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//@{ |
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bool emptyControl( const QStyleOption*, QPainter*, const QWidget* ) const |
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{ return true; } |
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// virtual bool drawCapacityBarControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawComboBoxLabelControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// virtual bool drawDockWidgetTitleControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawMenuBarItemControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// virtual bool drawMenuItemControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawProgressBarControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawProgressBarContentsControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawProgressBarGrooveControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawProgressBarLabelControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawPushButtonLabelControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// |
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//! scrollbar |
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virtual bool drawScrollBarSliderControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawScrollBarAddLineControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawScrollBarSubLineControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawScrollBarAddPageControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawScrollBarSubPageControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawShapedFrameControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawRubberBandControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawHeaderSectionControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawHeaderEmptyAreaControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// virtual bool drawHeaderLabelControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// virtual bool drawSplitterControl( const QStyleOption* option, QPainter* painter, const QWidget* widget ) const; |
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//! tabbar tabs. |
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virtual bool drawTabBarTabLabelControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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virtual bool drawTabBarTabShapeControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// virtual bool drawToolBarControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// virtual bool drawToolBoxTabLabelControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// virtual bool drawToolBoxTabShapeControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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// virtual bool drawToolButtonLabelControl( const QStyleOption*, QPainter*, const QWidget* ) const; |
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//!@} |
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//!@name complex ontrols specialized functions |
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//@{ |
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bool drawComboBoxComplexControl( const QStyleOptionComplex*, QPainter*, const QWidget* ) const; |
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bool drawSpinBoxComplexControl( const QStyleOptionComplex*, QPainter*, const QWidget* ) const; |
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bool drawSliderComplexControl( const QStyleOptionComplex*, QPainter*, const QWidget* ) const; |
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bool drawDialComplexControl( const QStyleOptionComplex*, QPainter*, const QWidget* ) const; |
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// bool drawTitleBarComplexControl( const QStyleOptionComplex*, QPainter*, const QWidget* ) const; |
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// bool drawToolButtonComplexControl( const QStyleOptionComplex*, QPainter*, const QWidget* ) const; |
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//@} |
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//! adjust rect based on provided margins |
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QRect insideMargin( const QRect& r, int margin ) const |
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{ return insideMargin( r, margin, margin ); } |
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//! adjust rect based on provided margins |
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QRect insideMargin( const QRect& r, int marginWidth, int marginHeight ) const |
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{ return r.adjusted( marginWidth, marginHeight, -marginWidth, -marginHeight ); } |
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//! expand size based on margins |
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QSize expandSize( const QSize& size, int margin ) const |
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{ return expandSize( size, margin, margin ); } |
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//! expand size based on margins |
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QSize expandSize( const QSize& size, int marginWidth, int marginHeight ) const |
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{ return size + 2*QSize( marginWidth, marginHeight ); } |
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//! returns true for vertical tabs |
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bool isVerticalTab( const QStyleOptionTab* option ) const |
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{ return isVerticalTab( option->shape ); } |
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bool isVerticalTab( const QTabBar::Shape& shape ) const |
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{ |
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return shape == QTabBar::RoundedEast |
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|| shape == QTabBar::RoundedWest |
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|| shape == QTabBar::TriangularEast |
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|| shape == QTabBar::TriangularWest; |
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} |
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//! returns true for reflected tabs |
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bool isReflected( const QStyleOptionTab* option ) const |
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{ return isReflected( option->shape ); } |
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bool isReflected( const QTabBar::Shape& shape ) const |
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{ |
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return shape == QTabBar::RoundedEast |
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|| shape == QTabBar::RoundedSouth |
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|| shape == QTabBar::TriangularEast |
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|| shape == QTabBar::TriangularSouth; |
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} |
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//! right to left alignment handling |
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QRect handleRTL(const QStyleOption* opt, const QRect& subRect) const |
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{ return visualRect(opt->direction, opt->rect, subRect); } |
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//! right to left alignment handling |
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QPoint handleRTL(const QStyleOption* opt, const QPoint& pos) const |
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{ return visualPos(opt->direction, opt->rect, pos); } |
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QRect centerRect(const QRect &in, const QSize& s ) const |
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{ return centerRect( in, s.width(), s.height() ); } |
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QRect centerRect(const QRect &in, int w, int h) const |
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{ return QRect(in.x() + (in.width() - w)/2, in.y() + (in.height() - h)/2, w, h); } |
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//! return dial angle based on option and value |
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qreal dialAngle( const QStyleOptionSlider*, int ) const; |
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/* |
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Checks whether the point is before the bound rect for bound of given orientation. |
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This is needed to implement custom number of buttons in scrollbars, |
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as well as proper mouse-hover |
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*/ |
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inline bool preceeds( const QPoint&, const QRect&, const QStyleOption* ) const; |
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//! return which arrow button is hit by point for scrollbar double buttons |
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inline QStyle::SubControl scrollBarHitTest( const QRect&, const QPoint&, const QStyleOption* ) const; |
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//! returns relevant scrollbar parent |
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/*! needed to detect parent focus */ |
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QWidget* scrollBarParent( const QWidget* ) const; |
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//! returns true if given scrollbar arrow is animated |
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QColor scrollBarArrowColor( const QStyleOptionSlider*, const SubControl&, const QWidget* ) const; |
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//! returns point position for generic arrows |
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QPolygonF genericArrow( ArrowOrientation, ArrowSize = ArrowNormal ) const; |
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//! scrollbar arrow |
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void renderScrollBarArrow( QPainter*, const QRect&, const QColor& color, ArrowOrientation ) const; |
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//! spinbox arrows |
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void renderSpinBoxArrow( QPainter*, const QStyleOptionSpinBox*, const QWidget*, const SubControl& ) const; |
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//! scrollbar buttons |
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enum ScrollBarButtonType |
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{ |
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NoButton, |
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SingleButton, |
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DoubleButton |
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}; |
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//! returns height for scrollbar buttons depending of button types |
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int scrollBarButtonHeight( const ScrollBarButtonType& type ) const |
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{ |
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switch( type ) |
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{ |
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case NoButton: return Metrics::ScrollBar_NoButtonHeight; |
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case SingleButton: return ScrollBar_SingleButtonHeight; |
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case DoubleButton: return ScrollBar_DoubleButtonHeight; |
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default: return 0; |
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} |
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} |
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//@} |
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private: |
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//!@name scrollbar button types (for addLine and subLine ) |
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//@{ |
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ScrollBarButtonType _addLineButtons; |
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ScrollBarButtonType _subLineButtons; |
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//@} |
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//! helper |
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Helper* _helper; |
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//! animations |
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Animations* _animations; |
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//! keyboard accelerators |
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Mnemonics* _mnemonics; |
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//! tabbar data |
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BreezePrivate::TabBarData* _tabBarData; |
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//! window manager |
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WindowManager* _windowManager; |
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//! frame shadows |
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FrameShadowFactory* _frameShadowFactory; |
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//! pointer to primitive specialized function |
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typedef bool (Style::*StylePrimitive)( const QStyleOption*, QPainter*, const QWidget* ) const; |
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//! pointer to control specialized function |
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typedef bool (Style::*StyleControl)( const QStyleOption*, QPainter*, const QWidget* ) const; |
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//! pointer to control specialized function |
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typedef bool (Style::*StyleComplexControl)( const QStyleOptionComplex*, QPainter*, const QWidget* ) const; |
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//!@name custom elements |
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//@{ |
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//! use Argb Drag and Drop Window |
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QStyle::StyleHint SH_ArgbDndWindow; |
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//! styled painting for KCapacityBar |
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QStyle::ControlElement CE_CapacityBar; |
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//@} |
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}; |
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//_________________________________________________________________________ |
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bool Style::preceeds( const QPoint& point, const QRect& bound, const QStyleOption* option ) const |
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{ |
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if( option->state&QStyle::State_Horizontal) |
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{ |
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if( option->direction == Qt::LeftToRight) return point.x() < bound.right(); |
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else return point.x() > bound.x(); |
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} else return point.y() < bound.y(); |
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} |
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//_________________________________________________________________________ |
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QStyle::SubControl Style::scrollBarHitTest( const QRect& rect, const QPoint& point, const QStyleOption* option ) const |
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{ |
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if( option->state & QStyle::State_Horizontal) |
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{ |
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if( option->direction == Qt::LeftToRight ) return point.x() < rect.center().x() ? QStyle::SC_ScrollBarSubLine : QStyle::SC_ScrollBarAddLine; |
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else return point.x() > rect.center().x() ? QStyle::SC_ScrollBarSubLine : QStyle::SC_ScrollBarAddLine; |
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} else return point.y() < rect.center().y() ? QStyle::SC_ScrollBarSubLine : QStyle::SC_ScrollBarAddLine; |
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} |
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} |
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Q_DECLARE_LOGGING_CATEGORY(BREEZE ) |
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#endif
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