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feat: 主要是构建自定义的枚举，Qt自带的枚举的扩展

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This commit is contained in:
touwoyimuli 2019-09-21 01:36:08 +08:00
parent f4c5a7435b
commit 0e576ff9aa
2 changed files with 77 additions and 10 deletions
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3
QtCustomStyleEx/ExCustomStyle.cpp
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@ -16,7 +16,7 @@ void ExCustomStyle::drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOptio
void ExCustomStyle::drawControl(QStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
switch (element) {
//滚动条+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//滚动条-------------------------------------
case CE_ScrollBarAddPage: { //增加页(在滑槽)
p->fillRect(opt->rect, Qt::green);
break;
@ -27,6 +27,7 @@ void ExCustomStyle::drawControl(QStyle::ControlElement element, const QStyleOpti
}
case CE_ScrollBarSlider: { //滑块
p->fillRect(opt->rect, Qt::red);
// p->setBrush();
break;
}
case CE_ScrollBarAddLine: { //增加按钮

84
QtCustomStyleEx/ExCustomStyle.h
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@ -22,16 +22,82 @@ class ExCustomStyle : public QCommonStyle
public:
ExCustomStyle();
public: //重写QCommonStyle重载的函数
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 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;
virtual QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *option, const QWidget *widget) const override;
public:
enum PrimitiveElement {
PE_ItemBackground = QStyle::PE_CustomBase + 1, //列表项的背景色
PE_SwitchButtonGroove,
PE_SwitchButtonHandle,
PE_CustomBase = QStyle::PE_CustomBase + 0xf00000
};
enum ControlElement {
CE_IconButton = QStyle::CE_CustomBase + 1,
CE_SwitchButton,
CE_CustomBase = QStyle::CE_CustomBase + 0xf00000
};
enum SubElement {
SE_IconButtonIcon = QStyle::SE_CustomBase + 1,
SE_SwitchButtonGroove,
SE_SwitchButtonHandle,
SE_CustomBase = QStyle::SE_CustomBase + 0xf00000
};
enum PixelMetric {
PM_FocusBorderWidth = QStyle::PM_CustomBase + 1, //控件焦点状态的边框宽度
PM_FrameRadius,
PM_CustomBase = QStyle::PM_CustomBase + 0xf00000
};
enum ContentsType {
CT_IconButton = QStyle::CT_CustomBase + 1,
CT_SwitchButton,
CT_CustomBase = QStyle::CT_CustomBase + 0xf00000
};
enum StyleHint {
SH_CustomBase = QStyle::SH_CustomBase + 0xf00000
};
enum StandardPixmap {
SP_CustomBase = QStyle::SP_CustomBase + 0xf00000
};
/*枚举通过按位 ~ ^ | !来计算得到需要组合
* //0b对应的二进制 0x十六进制 对应的十进制
* 0b0000 0001 0x0000 0001 1
* 0b0000 0010 0x0000 0002 2
* 0b0000 0100 0x0000 0004 4
* 0b0000 1000 0x0000 0006 8
* 0b0001 0000 0x0000 0010 16
*/
enum StyleState {
SS_NormalState = 0x00000000,
SS_HoverState = 0x00000001,
SS_PressState = 0x00000002,
};
Q_DECLARE_FLAGS(StateFlags, StyleState) //而类型定义(typedef)和操作符重载正是宏Q_DECLARE_FLAGS 和 Q_DECLARE_OPERATORS_FOR_FLAGS (均无关于元对象系统)
//内联函数,然后自己选择是调用静态函数,还是重写的基类的函数
inline void drawPrimitive(ExCustomStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{ proxy()->drawPrimitive(static_cast<QStyle::PrimitiveElement>(pe), opt, p, w); }
//重写QCommonStyle重载的函数
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 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 QIcon standardIcon(QStyle::StandardPixmap standardIcon, const QStyleOption *option, const QWidget *widget) const override;
// virtual void polish(QPalette &palette) override; //通常在此函数内指定配色方案，也即配置调色板
// virtual void polish(QWidget *widget) override; //当样式应用到窗口部件时，polish(QWidget*)就会调用,从而允许我们进行最后的定制
// virtual void unpolish(QWidget *widget) override; //当动态改变样式的时候，unpolish就会调用，来撤销polish的影响。polish(QWidget*)一般用做窗口部件的事件过滤器。
};
CUSTOMSTYLE_END_NAMESPACE