QtExamples/QtCustomStyleEx/ExCustomStyle.cpp

#include "ExCustomStyle.h"

CUSTOMSTYLE_BEDGIN_NAMESPACE

ExCustomStyle::ExCustomStyle()
{
}


//静态static的函数+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void ExCustomStyle::drawPrimitive(const QStyle *style, ExCustomStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w)
{
//    DStyleHelper dstyle(style);

    switch (pe) {
//    case value:
//        break;
    default:
        break;
    }
}

void ExCustomStyle::drawControl(const QStyle *style, ExCustomStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w)
{
}

QRect ExCustomStyle::subElementRect(const QStyle *style, ExCustomStyle::SubElement subElement, const QStyleOption *option, const QWidget *widget)
{
    return QRect();
}

QSize ExCustomStyle::sizeFromContents(const QStyle *style, ExCustomStyle::ContentsType ct, const QStyleOption *opt, const QSize &contentsSize, const QWidget *w)
{
    return QSize();
}

QIcon ExCustomStyle::standardIcon(const QStyle *style, ExCustomStyle::StandardPixmap standardIcon, const QStyleOption *option, const QWidget *widget)
{
    return QIcon();
}

//内联inline的函数+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//实际上,只需要在实现处添加inline,声明出不需要写inline
inline void ExCustomStyle::drawPrimitive(ExCustomStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
    proxy()->drawPrimitive(static_cast<QStyle::PrimitiveElement>(pe), opt, p, w);
}

inline void ExCustomStyle::drawControl(ExCustomStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
  proxy()->drawControl(static_cast<QStyle::ControlElement>(element), opt, p, w);
}

inline QRect ExCustomStyle::subElementRect(ExCustomStyle::SubElement subElement, const QStyleOption *option, const QWidget *widget) const
{
    proxy()->subElementRect(static_cast<QStyle::SubElement>(subElement), option, widget);
}

inline int ExCustomStyle::pixelMetric(ExCustomStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
{
    proxy()->pixelMetric(static_cast<QStyle::PixelMetric>(metric), option, widget);
}

inline QSize ExCustomStyle::sizeFromContents(ExCustomStyle::ContentsType ct, const QStyleOption *opt, const QSize &contentsSize, const QWidget *w) const
{
    proxy()->sizeFromContents(static_cast<QStyle::ContentsType>(ct), opt, contentsSize, w);
}

inline int ExCustomStyle::styleHint(ExCustomStyle::StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const
{
    proxy()->styleHint(static_cast<QStyle::StyleHint>(stylehint), opt, widget, returnData);
}

inline QIcon ExCustomStyle::standardIcon(ExCustomStyle::StandardPixmap standardIcon, const QStyleOption *option, const QWidget *widget) const
{
    proxy()->standardIcon(static_cast<QStyle::StandardPixmap>(standardIcon), option, widget);
}

//重写重载的函数====================================================================================================
void ExCustomStyle::drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
    QCommonStyle::drawPrimitive(pe, opt, p, w);
}

void ExCustomStyle::drawControl(QStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
//    if (Q_UNLIKELY(element < QStyle::CE_CustomBase)) {
//        return QCommonStyle::drawControl(element, opt, p, w);
//    }

//    drawControl(this, static_cast<ControlElement>(element), opt, p, w);

        switch (element) {
        //滚动条-------------------------------------
        case CE_ScrollBarAddPage: {  //增加页(在滑槽)
            p->fillRect(opt->rect, Qt::green);
            break;
        }
        case CE_ScrollBarSubPage: {  //减少页(在滑槽)
            p->fillRect(opt->rect, Qt::gray);
            break;
        }
        case CE_ScrollBarSlider: {  //滑块
            p->fillRect(opt->rect, Qt::red);
//            p->setBrush();
            break;
        }
        case CE_ScrollBarAddLine: {  //增加按钮
            p->fillRect(opt->rect, Qt::blue);
            break;
        }
        case CE_ScrollBarSubLine: {  //减少按钮
            p->fillRect(opt->rect, Qt::magenta);
            break;
        }
//        case CE_ScrollBarFirst:
//        case CE_ScrollBarLast: break; //未知
        //END+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
        default:
            break;
        }

    QCommonStyle::drawControl(element, opt, p, w);
}

QRect ExCustomStyle::subElementRect(QStyle::SubElement subElement, const QStyleOption *option, const QWidget *widget) const
{
    return QCommonStyle::subElementRect(subElement, option, widget);
}

int ExCustomStyle::pixelMetric(QStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
{
    return QCommonStyle::pixelMetric(metric, option, widget);
}

QSize ExCustomStyle::sizeFromContents(QStyle::ContentsType ct, const QStyleOption *opt, const QSize &contentsSize, const QWidget *w) const
{
    return QCommonStyle::sizeFromContents(ct, opt, contentsSize, w);
}

int ExCustomStyle::styleHint(QStyle::StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const
{
    return QCommonStyle::styleHint(stylehint, opt, widget, returnData);
}

QIcon ExCustomStyle::standardIcon(QStyle::StandardPixmap standardIcon, const QStyleOption *option, const QWidget *widget) const
{
    return QCommonStyle::standardIcon(standardIcon, option, widget);
}

void ExCustomStyle::drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p, const QWidget *widget) const
{
    return QCommonStyle::drawComplexControl(cc, opt, p, widget);
}

QRect ExCustomStyle::subControlRect(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, const QWidget *widget) const
{
    return QCommonStyle::subControlRect(cc, opt, sc, widget);
}

QStyle::SubControl ExCustomStyle::hitTestComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, const QPoint &pt, const QWidget *widget) const
{
    return QCommonStyle::hitTestComplexControl(cc, opt, pt, widget);
}

//END+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

CUSTOMSTYLE_END_NAMESPACE