class CustomWidget : public QWidget { Q_OBJECT public: explicit CustomWidget(QWidget *parent = nullptr); protected: void mousePressEvent(QMouseEvent *event) override; void mouseReleaseEvent(QMouseEvent *event) override; void mouseMoveEvent(QMouseEvent *event) override; private: bool isMousePressed...
class CustomButton : public QWidget {Q_OBJECT public:explicit CustomButton(QWidget *parent = nullptr);protected:void mousePressEvent(QMouseEvent *event) override;void mouseReleaseEvent(QMouseEvent *event) override; };void CustomButton::mousePressEvent(QMouseEvent *event) {if (event->button() =...
%2").arg(event->pos().x()).arg(event->pos().y());9QToolTip::showText(QCursor::pos(),posStr,this);1011mouseDeskTolLeft =event->globalPos();//鼠标相对于桌面左上角的位置12mouseWindowTopLeft =event->pos(
voidWin::mouseMoveEvent(QMouseEvent *e) {staticinti=0; QPoint point; point=e->pos();//返回鼠标的坐标(相对于控件) QPoint(635,13)//每个Qwidget都能通过pos()获取到相对自己父类窗口的位置qDebug()<<"移动了鼠标:"<<i++<<""<<point;intx=e->pos().x();//返回鼠标的x坐标(相对于控件)i...
QT C++中的焦点事件可以分为两类:QFocusEvent和QFocusAboutToChange。QFocusEvent是最常见的焦点事件,表示一个控件获取或失去焦点。这个事件有两个子类型:FocusIn(焦点进入)和FocusOut(焦点离开)。当一个控件获取焦点时,它会收到一个FocusIn类型的QFocusEvent事件;当一个控件失去焦点时,它会收到一个FocusOut类型的...
(QCloseEvent * event){ //关闭事件 if(SysIcon->isVisible()) { this->hide(); //SysIcon->showMessage("YXCalendar","欢迎使用云曦日历!"); event->ignore(); } else { event->accept(); }} void Calendar_Main::on_activatedSysTrayIcon(QSystemTrayIcon::ActivationReason reason) { //对托盘中...
void ALOpenGLDrawLine::mouseMoveEvent(QMouseEvent *event) { if(m_bPressed){ m_element->m_lines.append(QLineF(m_lastPoint, event->localPos())); m_lastPoint = event->localPos(); update(); emit sigMouseMove(event->localPos());
(QWidget*parent=0);//添加下拉框内容voidappendItem(constQString&text,boolbChecked);//QComboBox的虚函数用来隐藏列表框,当单击是复选框时不让隐藏,用来改变状态voidhidePopup();protected:voidmousePressEvent(QMouseEvent*event);private://更新更改项的状态voidupdateIndexStatus(intindex);signals://状态改变...
if (mouseEvent->button() == Qt::LeftButton) { mousePressed = true; mousePoint = mouseEvent->globalPos() - this->pos(); return true; } } else if (mouseEvent->type() == QEvent::MouseButtonRelease) { mousePressed = false;
if (event->button()==Qt::MidButton) { //如果按下鼠标中键 qDebug()<<"你按下了鼠标中键"; } } void MyLabel::mouseReleaseEvent(QMouseEvent *ev){ qDebug()<<"释放了鼠标"; } void MyLabel::mouseMoveEvent(QMouseEvent *ev){ int i,j; ...