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feat: Improve MyStyle, MyStyleHelp, MyStylePainter (mostly written, but not over)

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muli
2020-02-22 12:43:23 +08:00
parent 77115da29d
commit 787a6061a8
4 changed files with 148 additions and 3 deletions
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51
QtMyStyleEx/QtExample03/QtStyleEx/mystyle.h
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@@ -23,10 +23,11 @@
#define MYSTYLE_H
#include <QCommonStyle>
#include <QPainter>
class MyStyle : public QCommonStyle
{
// Q_OBJECT
Q_OBJECT //connect qobject_cast
public:
//这里新增加的枚举，是属于 MyStyle:: , 而非 QStyle:: 范围
@@ -59,7 +60,18 @@ public:
// QStyle interface
public:
//static 函数，供 MyStylrHelp 调用 [用来绘画自增加的控件枚举]
static void drawPrimitive(const QStyle *style, MyStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w = nullptr);
static void drawControl(const QStyle *style, MyStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w);
static QRect subElementRect(const QStyle *style, MyStyle::SubElement subElement, const QStyleOption *option, const QWidget *widget);
// static void drawComplexControl(const QStyle *style, MyStyle::ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p, const QWidget *widget) const;
// static QRect subControlRect(const QStyle *style, MyStyle::ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, const QWidget *widget) const;
static int pixelMetric(const QStyle *style, MyStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget);
// static QSize sizeFromContents(const QStyle *style, MyStyle::ContentsType ct, const QStyleOption *opt, const QSize &contentsSize, const QWidget *w) const;
// static int styleHint(const QStyle *style, MyStyle::StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const;
//新增加的枚举属 MyStyle:: , 之能够在此内敛函数里面调用
//[主要用来绘画 自定义新增 的控件枚举 --> 实际调用在 下面的 virtual 里面绘画]
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;
@@ -71,6 +83,7 @@ public:
//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
//[主要用来绘画 Qt 、 自定义新增 的控件枚举]
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;
@@ -96,4 +109,40 @@ public:
};
class MyStyleHelp
{
public:
inline MyStyleHelp (const QStyle* style = nullptr);
inline void setStyle(const QStyle* style);
inline const QStyle* qStyle() const;
inline const MyStyle* myStyle() const;
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 int pixelMetric(MyStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const;
private:
const QStyle* m_qStyle;
const MyStyle* m_myStyle;
};
class MyStylePainter : public QPainter
{
public:
MyStylePainter() {}
~MyStylePainter() {}
inline void drawPrimitive(MyStyle::PrimitiveElement pe, const QStyleOption *opt);
inline void drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption *opt);
inline void drawControl(MyStyle::ControlElement element, const QStyleOption *opt);
inline void drawControl(QStyle::ControlElement element, const QStyleOption *opt);
private:
QWidget* m_widget;
QStyle* m_qStyle;
MyStyleHelp m_myStyleHelp;
};
#endif // MYSTYLE_H