QT笔记-界面风格样式和图标文字-自定义标题栏QMainWindow

1、在可视化编辑界面中添加控件

 2、编写代码-标题栏类

//KQTiltle .h
#pragma once

#include <QWidget>
#include "ui_KQTiltle.h"
class WidgetBase : public QWidget
{
	Q_OBJECT
public:
	explicit WidgetBase(QWidget *parent = 0);
};

class KQTiltle : public QWidget
{
	Q_OBJECT

public:
	KQTiltle(QWidget *parent = Q_NULLPTR);
	~KQTiltle();
	void SetTitleContent(const char* pContent);
private:
	void InitStyle();
	void InitMenu();
protected:
	virtual void mouseDoubleClickEvent(QMouseEvent *event);
	virtual void mousePressEvent(QMouseEvent *event);
	virtual bool eventFilter(QObject *obj, QEvent *event);
private slots:
	void OnM