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feat: Repaint the skin of a custom control, and the painting is complete

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MyStyle has completed, QStylePainter's inheritance rewrite has not yet started
This commit is contained in:
muli
2020-02-20 00:47:18 +08:00
parent 158deb7c80
commit 77115da29d
6 changed files with 303 additions and 11 deletions
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68
QtMyStyleEx/QtExample03/QtStyleEx/mystyle.h
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@@ -26,21 +26,73 @@
class MyStyle : public QCommonStyle
{
// Q_OBJECT
public:
//这里新增加的枚举，是属于 MyStyle:: , 而非 QStyle:: 范围
enum ControlElement {
CE_SwitchButton = QStyle::CE_CustomBase + 1, //switchButton 控件
CE_CustomBase = QStyle::CE_CustomBase + 0xf00000
};
enum SubElement {
SE_SwitchButtonGroove = QStyle::SE_CustomBase + 1, //滑槽矩形大小
SE_SwitchButtonHandle, //滑块矩形大小
SE_CustomBase = QStyle::SE_CustomBase + 0xf00000
};
enum PixelMetric {
PM_SwitchButtonHandleWidth = QStyle::PM_CustomBase + 1, //switch Handle width
PM_SwithcButtonHandleHeight, //switch Handle height
PM_CustomBase = QStyle::PM_CustomBase + 0xf00000
};
enum PrimitiveElement {
PE_SwitchButtonGroove = QStyle::PE_CustomBase + 1, //滑槽
PE_SwitchButtonHandle, //滑块
PE_CustomBase = QStyle::PE_CustomBase + 0xf00000
};
public:
MyStyle();
// QStyle interface
public:
//新增加的枚举属 MyStyle:: , 之能够在此内敛函数里面调用
inline void drawPrimitive(MyStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w = nullptr) const;
inline void drawControl(MyStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w) const;
inline QRect subElementRect(MyStyle::SubElement subElement, const QStyleOption *option, const QWidget *widget) const;
// inline void drawComplexControl(MyStyle::ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p, const QWidget *widget) const;
// inline QRect subControlRect(MyStyle::ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, const QWidget *widget) const;
inline int pixelMetric(MyStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const;
// inline QSize sizeFromContents(MyStyle::ContentsType ct, const QStyleOption *opt, const QSize &contentsSize, const QWidget *w) const;
// inline int styleHint(MyStyle::StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const;
//这里的快捷方式创建的枚举,都是不带QStyle:: ; 但是快捷方式的定义是带是QStyle:: , 此处声明的地方必须加上 QStyle:: /*后面改写更复杂的得写上MyStyle:: 因添加自定义的枚举*/
//这里 override 的虚函数，只能够调用旧有的 QStyle:: 的函数
virtual void drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w) const override;
virtual void drawControl(QStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w) const override;
virtual QRect subElementRect(QStyle::SubElement subElement, const QStyleOption *option, const QWidget *widget) const override;
virtual void drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p, const QWidget *widget) const override;
virtual QRect subControlRect(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, const QWidget *widget) const override;
virtual int pixelMetric(QStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const override;
virtual QSize sizeFromContents(QStyle::ContentsType ct, const QStyleOption *opt, const QSize &contentsSize, const QWidget *w) const override;
virtual int styleHint(QStyle::StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const override;
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;
//重实现,使得父类的多个同名 函数 (不同参数) 任然可以在本类里面使用
using QCommonStyle::polish;
using QCommonStyle::unpolish;
using QCommonStyle::drawPrimitive;
using QCommonStyle::drawControl;
using QCommonStyle::subElementRect;
using QCommonStyle::drawComplexControl;
using QCommonStyle::subControlRect;
using QCommonStyle::pixelMetric;
using QCommonStyle::sizeFromContents;
using QCommonStyle::styleHint;
};