feat: v1.4.3 成功创建一个自定义的控件对象（还没有对自定义控件进行绘画）

QtCustomStyleEx/ExMyStyle.h

@@ -37,6 +37,11 @@ class ExMyStyle : public QCommonStyle
 public:
     ExMyStyle();
 
+//    enum ControlElement {
+//        CE_SwitchButton = QStyle::CE_CustomBase + 1,
+//        CE_CustomBase = QStyle::CE_CustomBase + 0xf00000
+//    };
+
     // QStyle interface
 public:
     virtual void polish(QWidget *widget) override;

QtCustomStyleEx/Example.cpp

@@ -80,4 +80,13 @@ void Example::init()
     connect(btn, &QPushButton::clicked, this, [=](){
         qApp->setStyle(new ExMyStyle());
     });
+
+    ExSwitchButton* switchBtn = new ExSwitchButton();
+    switchBtn->move(300, 300);
+//    switchBtn->move(700, 500);
+    switchBtn->resize(200, 200);
+    switchBtn->setText("switchBtn");
+    switchBtn->setParent(this);
+    switchBtn->show();
+    qDebug()<<"----03-----------------"<<switchBtn->rect();
 }

QtCustomStyleEx/MyWidget/ExSwitchButton.cpp

@@ -22,6 +22,8 @@
 #include "ExSwitchButton.h"
 #include "ExSwitchButton_p.h"
 #include <QDebug>
+#include <QPainter>
+#include "ExMyStyle.h"
 
 EXWIDGET_BEGIN_NAMESPACE
 
@@ -31,7 +33,7 @@ EXWIDGET_BEGIN_NAMESPACE
  */
 ExSwitchButtonPrivate::ExSwitchButtonPrivate(/*ExSwitchButton *qq*/)
 {
-
+    init();
 }
 
 ExSwitchButtonPrivate::~ExSwitchButtonPrivate()
@@ -51,6 +53,16 @@ void ExSwitchButtonPrivate::init()
     q->onChange(true);
 }
 
+ExSwitchButton::ExSwitchButton()
+{
+    Q_D(ExSwitchButton);
+}
+
+ExSwitchButton::~ExSwitchButton()
+{
+
+}
+
 void ExSwitchButton::onChange(bool)
 {
     Q_D(ExSwitchButton);
@@ -60,5 +72,34 @@ void ExSwitchButton::onChange(bool)
    qDebug()<<"------01-----ExSwitchButton::onChange(bool):"<<d->m_checked;
 }
 
+void ExSwitchButton::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event);
+
+    QPainter painter(this);
+    QStyleOptionButton opt;
+    initStyleOption(&opt);
+
+    ExMyStyle MyStyle;
+//    MyStyle.drawControl(ExMyStyle::CE_Sw);
+
+
+}
+
+void ExSwitchButton::initStyleOption(QStyleOptionButton *option) const
+{
+    if (!option)
+        return;
+
+    option->init(this);      //QStyleOption 对象进行初始化(其中属性很多,整体初始化，然后局部进行参数修改)
+    option->initFrom(this);
+
+    if (isChecked()) {
+        option->state |= QStyle::State_On;
+    } else {
+        option->state |= QStyle::State_Off;
+    }
+}
+
 
 EXWIDGET_END_NAMESPACE

QtCustomStyleEx/MyWidget/ExSwitchButton.h

@@ -26,6 +26,8 @@
 #include <QtGlobal>
 
 #include <QAbstractButton>
+#include <QStyleOption>
+//#include <QStyleOptionButton>
 
 EXWIDGET_BEGIN_NAMESPACE
 
@@ -41,6 +43,12 @@ private slots:
 
 private:
     Q_DECLARE_PRIVATE(ExSwitchButton)
+
+    // QWidget interface
+protected:
+    virtual void paintEvent(QPaintEvent *event) override;  //必须重载的纯虚函数
+    void initStyleOption(QStyleOptionButton* option) const;
+
 };
 
 EXWIDGET_END_NAMESPACE

QtCustomStyleEx/MyWidget/ExSwitchButton_p.h

@@ -43,6 +43,8 @@ public:
     explicit ExSwitchButtonPrivate();
     ~ExSwitchButtonPrivate();
 
+//    virtual ~QObjectData();
+
     void init();
 
 public: