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feat: Overriding the GUI's QScroll control skin

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This commit is contained in:
muli 2020-02-16 16:15:24 +08:00
parent 86e350df4c
commit 90dd4cdf25
3 changed files with 31 additions and 59 deletions
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78
QtMyStyleEx/QtExample02/QtStyleEx/mystyle.cpp
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@ -22,62 +22,42 @@
#include "mystyle.h"
#include <QDebug>
#include <QPainter>
#include <QStyleOption>
MyStyle::MyStyle()
{
}
void MyStyle::polish(QWidget *widget)
{
QCommonStyle::polish(widget);
}
void MyStyle::unpolish(QWidget *widget)
{
QCommonStyle::unpolish(widget);
}
void MyStyle::drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
QCommonStyle::drawPrimitive(pe, opt, p, w);
}
void MyStyle::drawControl(QStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
p->setRenderHint(QPainter::Antialiasing);
switch (element) {
case CE_ScrollBarAddPage: { //增加滑槽
p->fillRect(opt->rect, QColor("#bfe9ff"));
return;
}
case CE_ScrollBarSubPage: { //减少滑槽
p->fillRect(opt->rect, QColor("#EC6EAD"));
return;
}
case CE_ScrollBarSlider: { //滑块
p->fillRect(opt->rect, QColor("#A8BFFF"));
return;
}
case CE_ScrollBarAddLine: { //增加按钮
p->fillRect(opt->rect, QColor("#21d4fd"));
return;
}
case CE_ScrollBarSubLine: { //减少按钮
p->fillRect(opt->rect, QColor("#de6161"));
return;
}
default:
break;
}
return QCommonStyle::drawControl(element, opt, p, w);
}
QRect MyStyle::subElementRect(QStyle::SubElement subElement, const QStyleOption *option, const QWidget *widget) const
{
return QCommonStyle::subElementRect(subElement, option, widget);
}
void MyStyle::drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p, const QWidget *widget) const
{
QCommonStyle::drawComplexControl(cc, opt, p, widget);
}
QRect MyStyle::subControlRect(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, QStyle::SubControl sc, const QWidget *widget) const
{
return QCommonStyle::subControlRect(cc, opt, sc, widget);
}
int MyStyle::pixelMetric(QStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
{
return QCommonStyle::pixelMetric(metric, option, widget);
}
QSize MyStyle::sizeFromContents(QStyle::ContentsType ct, const QStyleOption *opt, const QSize &contentsSize, const QWidget *w) const
{
return QCommonStyle::sizeFromContents(ct, opt, contentsSize, w);
}
int MyStyle::styleHint(QStyle::StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const
{
return QCommonStyle::styleHint(stylehint, opt, widget, returnData);
}

10
QtMyStyleEx/QtExample02/QtStyleEx/mystyle.h
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@ -31,17 +31,7 @@ public:
// QStyle interface
public:
virtual void polish(QWidget *widget) override;
virtual void unpolish(QWidget *widget) override;
virtual void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w) const override;
virtual void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w) const override;
virtual QRect subElementRect(SubElement subElement, const QStyleOption *option, const QWidget *widget) const override;
virtual void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p, const QWidget *widget) const override;
virtual QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, const QWidget *widget) const override;
virtual int pixelMetric(PixelMetric metric, const QStyleOption *option, const QWidget *widget) const override;
virtual QSize sizeFromContents(ContentsType ct, const QStyleOption *opt, const QSize &contentsSize, const QWidget *w) const override;
virtual int styleHint(StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const override;
};
#endif // MYSTYLE_H

2
QtMyStyleEx/QtExample02/QtStyleEx/widget.cpp
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@ -44,6 +44,8 @@ Widget::~Widget()
void Widget::init()
{
resize(1000, 600);
QTableWidget *table = new QTableWidget(10, 10, this);
table->move(10, 10);