Qt 隐藏标题栏 窗口移动 鼠标事件

• 摘要
  • 隐藏标题栏
  • 头文件声明鼠标移动虚函数
  • .cpp文件实现功能

1	setWindowFlags(Qt::FramelessWindowHint | windowFlags());

无标题栏移动窗体的实现

头文件声明虚函数

• widget.h

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#define WIDGET_H #include <QWidget> #include <a.out.h> namespace Ui { class ; } class : public QWidget { Q_OBJECT public: explicit (QWidget *parent = 0); ~Widget(); protected: virtual void mousePressEvent(QMouseEvent *event); virtual void mouseMoveEvent大专栏  Qt 隐藏标题栏 窗口移动 鼠标事件an>(QMouseEvent *event); // 移动 virtual void mouseReleaseEvent(QMouseEvent *event); // 鼠标释放 private: Ui::Widget *ui; bool m_pressed; // 判断鼠标左键是否按下 QPoint m_pos; // 鼠标相对于窗口的位置，不是相对屏幕的位置 }; #endif // WIDGET_H

头文件实现虚函数

• widget.cpp

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void Widget::mousePressEvent(QMouseEvent *event) { if (event->button() == Qt::LeftButton) { m_pressed = true; m_pos = event->pos(); } } void Widget::mouseMoveEvent(QMouseEvent *event) { if(m_pressed) { move(event->pos() - m_pos + this->pos()); } } void Widget::mouseReleaseEvent(QMouseEvent *event) { Q_UNUSED(event); // avoid the warnning that 'event' is unused while building the project m_pressed = false; }