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https://gitgud.io/wackyideas/aerothemeplasma.git
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589 lines
23 KiB
C++
589 lines
23 KiB
C++
/*
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* SPDX-FileCopyrightText: 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef breezestyle_h
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#define breezestyle_h
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#include "breeze.h"
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#include "breezehelper.h"
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#include "breezemetrics.h"
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#include "config-breeze.h"
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#if BREEZE_HAVE_KSTYLE
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#include <KStyle>
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#endif
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#include <QAbstractItemView>
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#include <QAbstractScrollArea>
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#include <QCommandLinkButton>
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#include <QCommonStyle>
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#include <QDockWidget>
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#include <QFocusFrame>
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#include <QHash>
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#include <QIcon>
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#include <QMdiSubWindow>
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#include <QStyleOption>
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#include <QWidget>
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#include <functional>
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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 MdiWindowShadowFactory;
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class Mnemonics;
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class ShadowHelper;
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class SplitterFactory;
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class WidgetExplorer;
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class WindowManager;
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class BlurHelper;
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class ToolsAreaManager;
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//* convenience typedef for base class
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#if !BREEZE_HAVE_KSTYLE
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using ParentStyleClass = QCommonStyle;
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#else
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using ParentStyleClass = KStyle;
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#endif
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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 ParentStyleClass
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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();
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//* destructor
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~Style() override;
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//* needed to avoid warnings at compilation time
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using ParentStyleClass::polish;
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using ParentStyleClass::unpolish;
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//* widget polishing
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void polish(QWidget *) override;
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//* widget unpolishing
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void unpolish(QWidget *) override;
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//* application polishing
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void polish(QApplication *) override;
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//* polish scrollarea
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void polishScrollArea(QAbstractScrollArea *);
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//* pixel metrics
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int pixelMetric(PixelMetric, const QStyleOption * = nullptr, const QWidget * = nullptr) const override;
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//* style hints
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int styleHint(StyleHint, const QStyleOption * = nullptr, const QWidget * = nullptr, QStyleHintReturn * = nullptr) const override;
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//* returns rect corresponding to one widget's subelement
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QRect subElementRect(SubElement, const QStyleOption *, const QWidget *) const override;
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//* returns rect corresponding to one widget's subcontrol
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QRect subControlRect(ComplexControl, const QStyleOptionComplex *, SubControl, const QWidget *) const override;
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//* returns size matching contents
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QSize sizeFromContents(ContentsType, const QStyleOption *, const QSize &, const QWidget *) const override;
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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 override;
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//* primitives
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void drawPrimitive(PrimitiveElement, const QStyleOption *, QPainter *, const QWidget *) const override;
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//* controls
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void drawControl(ControlElement, const QStyleOption *, QPainter *, const QWidget *) const override;
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//* complex controls
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void drawComplexControl(ComplexControl, const QStyleOptionComplex *, QPainter *, const QWidget *) const override;
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//* generic text rendering
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void drawItemText(QPainter *, const QRect &, int alignment, const QPalette &, bool enabled, const QString &, QPalette::ColorRole = QPalette::NoRole)
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const override;
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bool event(QEvent *) override;
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//*@name event filters
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//@{
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bool eventFilter(QObject *, QEvent *) override;
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bool eventFilterScrollArea(QWidget *, QEvent *);
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bool eventFilterComboBoxContainer(QWidget *, QEvent *);
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bool eventFilterDockWidget(QDockWidget *, QEvent *);
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bool eventFilterMdiSubWindow(QMdiSubWindow *, QEvent *);
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bool eventFilterCommandLinkButton(QCommandLinkButton *, 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 configuration
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void configurationChanged();
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//* global configuration changed
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void globalConfigurationChanged(int type, int arg);
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void loadGlobalAnimationSettings();
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//* standard icons
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QIcon standardIconImplementation(StandardPixmap, const QStyleOption *, const QWidget *) const;
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protected:
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//* standard icons
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QIcon standardIcon(StandardPixmap pixmap, const QStyleOption *option = nullptr, const QWidget *widget = nullptr) const override
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{
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return standardIconImplementation(pixmap, option, widget);
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}
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private:
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//* load configuration
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void loadConfiguration();
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bool isTabletMode() const;
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//*@name subelementRect specialized functions
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//@{
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QRect pushButtonContentsRect(const QStyleOption *, const QWidget *) const;
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QRect checkBoxContentsRect(const QStyleOption *, const QWidget *) const;
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QRect lineEditContentsRect(const QStyleOption *, const QWidget *) const;
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QRect progressBarGrooveRect(const QStyleOption *, const QWidget *) const;
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QRect progressBarContentsRect(const QStyleOption *, const QWidget *) const;
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QRect progressBarLabelRect(const QStyleOption *, const QWidget *) const;
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QRect frameContentsRect(const QStyleOption *, const QWidget *) const;
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QRect headerArrowRect(const QStyleOption *, const QWidget *) const;
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QRect headerLabelRect(const QStyleOption *, const QWidget *) const;
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QRect tabBarTabLeftButtonRect(const QStyleOption *, const QWidget *) const;
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QRect tabBarTabRightButtonRect(const QStyleOption *, const QWidget *) const;
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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 *, const QWidget *widget) const;
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QRect toolBoxTabContentsRect(const QStyleOption *, const QWidget *) const;
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QRect genericLayoutItemRect(const QStyleOption *, const QWidget *) 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 toolButtonSubControlRect(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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QRect sliderSubControlRect(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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{
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return size;
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}
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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 sliderSizeFromContents(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 toolButtonSizeFromContents(const QStyleOption *, const QSize &, const QWidget *) const;
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QSize menuBarItemSizeFromContents(const QStyleOption *, const QSize &, 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 &, const QWidget *) const;
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QSize tabBarTabSizeFromContents(const QStyleOption *, const QSize &, const QWidget *) const;
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QSize headerSectionSizeFromContents(const QStyleOption *, const QSize &, const QWidget *) const;
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QSize itemViewItemSizeFromContents(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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{
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return true;
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}
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bool drawFramePrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawFrameLineEditPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawFrameFocusRectPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawFrameMenuPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawFrameGroupBoxPrimitive(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 drawFrameWindowPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawIndicatorArrowUpPrimitive(const QStyleOption *option, QPainter *painter, const QWidget *widget) const
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{
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return drawIndicatorArrowPrimitive(ArrowUp, option, painter, widget);
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}
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bool drawIndicatorArrowDownPrimitive(const QStyleOption *option, QPainter *painter, const QWidget *widget) const
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{
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return drawIndicatorArrowPrimitive(ArrowDown, option, painter, widget);
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}
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bool drawIndicatorArrowLeftPrimitive(const QStyleOption *option, QPainter *painter, const QWidget *widget) const
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{
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return drawIndicatorArrowPrimitive(ArrowLeft, option, painter, widget);
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}
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bool drawIndicatorArrowRightPrimitive(const QStyleOption *option, QPainter *painter, const QWidget *widget) const
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{
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return drawIndicatorArrowPrimitive(ArrowRight, option, painter, widget);
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}
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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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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 drawTabBarPanelButtonToolPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawPanelScrollAreaCornerPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawPanelMenuPrimitive(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 drawIndicatorCheckBoxPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawIndicatorRadioButtonPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawIndicatorButtonDropDownPrimitive(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawIndicatorTabClosePrimitive(const QStyleOption *, QPainter *painter, const QWidget *widget) 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 drawIndicatorBranchPrimitive(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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{
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return true;
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}
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bool drawPushButtonLabelControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawToolButtonLabelControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawCheckBoxLabelControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawComboBoxLabelControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawMenuBarItemControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawMenuItemControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawProgressBarControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawProgressBarContentsControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawProgressBarGrooveControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawProgressBarLabelControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawScrollBarSliderControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawScrollBarAddLineControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawScrollBarSubLineControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawShapedFrameControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawFocusFrame(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawRubberBandControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawHeaderSectionControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawHeaderEmptyAreaControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawTabBarTabLabelControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawTabBarTabShapeControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawToolBoxTabLabelControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawToolBoxTabShapeControl(const QStyleOption *, QPainter *, const QWidget *) const;
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bool drawDockWidgetTitleControl(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 drawGroupBoxComplexControl(const QStyleOptionComplex *, QPainter *, const QWidget *) const;
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bool drawToolButtonComplexControl(const QStyleOptionComplex *, QPainter *, const QWidget *) const;
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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 drawScrollBarComplexControl(const QStyleOptionComplex *, QPainter *, const QWidget *) const;
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bool drawTitleBarComplexControl(const QStyleOptionComplex *, QPainter *, const QWidget *) const;
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//@}
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//!*@name various utility functions
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//@{
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//* spinbox arrows
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void renderSpinBoxArrow(const SubControl &, const QStyleOptionSpinBox *, QPainter *, const QWidget *) const;
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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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//* returns relevant scrollbar parent
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/** needed to detect parent focus */
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const 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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//* scrollbar buttons
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enum ScrollBarButtonType {
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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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case NoButton:
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return Metrics::ScrollBar_NoButtonHeight;
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case SingleButton:
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return Metrics::ScrollBar_SingleButtonHeight;
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case DoubleButton:
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return Metrics::ScrollBar_DoubleButtonHeight;
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default:
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return 0;
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}
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}
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//@}
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//* translucent background
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void setTranslucentBackground(QWidget *) const;
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//* create toolbar extension icon
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QIcon toolBarExtensionIcon(StandardPixmap, const QStyleOption *, const QWidget *) const;
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//* create title bar button icon
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QIcon titleBarButtonIcon(StandardPixmap, const QStyleOption *, const QWidget *) const;
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//* return true if option corresponds to QtQuick control
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bool isQtQuickControl(const QStyleOption *, 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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{
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return insideMargin(r, margin, margin);
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}
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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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{
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return r.adjusted(marginWidth, marginHeight, -marginWidth, -marginHeight);
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}
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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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{
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return expandSize(size, margin, margin);
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}
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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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{
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return size + 2 * QSize(marginWidth, marginHeight);
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}
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//* returns true for vertical tabs
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bool isVerticalTab(const QStyleOptionTab *option) const
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{
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return isVerticalTab(option->shape);
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}
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bool isVerticalTab(const QTabBar::Shape &shape) const
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{
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return shape == QTabBar::RoundedEast || shape == QTabBar::RoundedWest || shape == QTabBar::TriangularEast || shape == QTabBar::TriangularWest;
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}
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//* right to left alignment handling
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using ParentStyleClass::visualRect;
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QRect visualRect(const QStyleOption *opt, const QRect &subRect) const
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{
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return ParentStyleClass::visualRect(opt->direction, opt->rect, subRect);
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}
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//* centering
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QRect centerRect(const QRect &rect, const QSize &size) const
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{
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return centerRect(rect, size.width(), size.height());
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}
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QRect centerRect(const QRect &rect, int width, int height) const
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{
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return QRect(rect.left() + (rect.width() - width) / 2, rect.top() + (rect.height() - height) / 2, width, height);
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}
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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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//! return true if one of the widget's parent inherits requested type
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inline bool hasParent(const QWidget *, const char *) const;
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//* return true if icons should be shown in menus
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bool showIconsInMenuItems() const;
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//* return true if icons should be shown on buttons
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bool showIconsOnPushButtons() const;
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//* return true if passed widget is a menu title (KMenu::addTitle)
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bool hasAlteredBackground(const QWidget *) const;
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/*
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* return true if the widget should be highlighted with neutral color
|
|
* if widget is null, check for the styleObject in option
|
|
* return false if the widget has the mouse hover or is focused.
|
|
*/
|
|
bool hasHighlightNeutral(const QObject *widget, const QStyleOption *option, bool mouseOver = false, bool focus = false) const;
|
|
|
|
//*@name scrollbar button types (for addLine and subLine )
|
|
//@{
|
|
ScrollBarButtonType _addLineButtons = SingleButton;
|
|
ScrollBarButtonType _subLineButtons = SingleButton;
|
|
//@}
|
|
|
|
//* focus frame
|
|
QPointer<QFocusFrame> _focusFrame = nullptr;
|
|
|
|
//* helper
|
|
Helper *_helper = nullptr;
|
|
|
|
//* shadow helper
|
|
ShadowHelper *_shadowHelper = nullptr;
|
|
|
|
//* animations
|
|
Animations *_animations = nullptr;
|
|
|
|
//* keyboard accelerators
|
|
Mnemonics *_mnemonics = nullptr;
|
|
|
|
//* blur helper
|
|
BlurHelper *_blurHelper = nullptr;
|
|
|
|
//* window manager
|
|
WindowManager *_windowManager = nullptr;
|
|
|
|
//* frame shadows
|
|
FrameShadowFactory *_frameShadowFactory = nullptr;
|
|
|
|
//* mdi window shadows
|
|
MdiWindowShadowFactory *_mdiWindowShadowFactory = nullptr;
|
|
|
|
//* splitter Factory, to extend splitters hit area
|
|
SplitterFactory *_splitterFactory = nullptr;
|
|
|
|
//* signal manager for the tools area
|
|
ToolsAreaManager *_toolsAreaManager = nullptr;
|
|
|
|
//* widget explorer
|
|
WidgetExplorer *_widgetExplorer = nullptr;
|
|
|
|
//* tabbar data
|
|
BreezePrivate::TabBarData *_tabBarData = nullptr;
|
|
|
|
//* icon hash
|
|
using IconCache = QHash<StandardPixmap, QIcon>;
|
|
IconCache _iconCache;
|
|
|
|
//* pointer to primitive specialized function
|
|
using StylePrimitive = std::function<bool(const Style &, const QStyleOption *, QPainter *, const QWidget *)>;
|
|
StylePrimitive _frameFocusPrimitive;
|
|
|
|
//* pointer to control specialized function
|
|
using StyleControl = std::function<bool(const Style &, const QStyleOption *, QPainter *, const QWidget *)>;
|
|
|
|
//* pointer to control specialized function
|
|
using StyleComplexControl = std::function<bool(const Style &, const QStyleOptionComplex *, QPainter *, const QWidget *)>;
|
|
|
|
//*@name custom elements
|
|
//@{
|
|
|
|
//* use Argb Drag and Drop Window
|
|
QStyle::StyleHint SH_ArgbDndWindow;
|
|
|
|
//! styled painting for KCapacityBar
|
|
QStyle::ControlElement CE_CapacityBar;
|
|
|
|
//@}
|
|
};
|
|
|
|
//_________________________________________________________________________
|
|
bool Style::preceeds(const QPoint &point, const QRect &bound, const QStyleOption *option) const
|
|
{
|
|
if (option->state & QStyle::State_Horizontal) {
|
|
if (option->direction == Qt::LeftToRight) {
|
|
return point.x() < bound.right();
|
|
} else {
|
|
return point.x() > bound.x();
|
|
}
|
|
|
|
} else {
|
|
return point.y() < bound.y();
|
|
}
|
|
}
|
|
|
|
//_________________________________________________________________________
|
|
QStyle::SubControl Style::scrollBarHitTest(const QRect &rect, const QPoint &point, const QStyleOption *option) const
|
|
{
|
|
if (option->state & QStyle::State_Horizontal) {
|
|
if (option->direction == Qt::LeftToRight) {
|
|
return point.x() < rect.center().x() ? QStyle::SC_ScrollBarSubLine : QStyle::SC_ScrollBarAddLine;
|
|
} else {
|
|
return point.x() > rect.center().x() ? QStyle::SC_ScrollBarSubLine : QStyle::SC_ScrollBarAddLine;
|
|
}
|
|
|
|
} else {
|
|
return point.y() < rect.center().y() ? QStyle::SC_ScrollBarSubLine : QStyle::SC_ScrollBarAddLine;
|
|
}
|
|
}
|
|
|
|
//_________________________________________________________________________
|
|
bool Style::hasParent(const QWidget *widget, const char *className) const
|
|
{
|
|
if (!widget) {
|
|
return false;
|
|
}
|
|
|
|
while ((widget = widget->parentWidget())) {
|
|
if (widget->inherits(className)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
#endif
|