?? mouseevent.cpp
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#include "mouseevent.h"MouseEvent::MouseEvent( ) : QMainWindow(){ setWindowTitle(tr("Get Mouse Event")); labelStatus = new QLabel(); labelStatus->setText(tr("Mouse Position:")); labelStatus -> setFixedWidth (100); labelMousePos = new QLabel(); labelMousePos->setText(tr("")); labelMousePos -> setFixedWidth (100); statusBar()->addPermanentWidget(labelStatus); statusBar()->addPermanentWidget(labelMousePos); this->setMouseTracking ( true); }MouseEvent::~MouseEvent(){}void MouseEvent::mouseMoveEvent ( QMouseEvent * e ){ labelMousePos ->setText("("+QString::number(e->x())+","+QString::number(e->y())+")");}void MouseEvent::mousePressEvent ( QMouseEvent * e ){ QString str="("+QString::number(e->x())+","+QString::number(e->y())+")"; if(e->button()==Qt::LeftButton) { statusBar()->showMessage (tr("Mouse Left Button Pressed:")+str); } else if(e->button()==Qt::RightButton) { statusBar()->showMessage (tr("Mouse Right Button Pressed:")+str); } else if(e->button()==Qt::MidButton) { statusBar()->showMessage (tr("Mouse Middle Button Pressed:")+str); } }void MouseEvent::mouseDoubleClickEvent( QMouseEvent * e ){ QString str="("+QString::number(e->x())+","+QString::number(e->y())+")"; if(e->button()==Qt::LeftButton) { statusBar()->showMessage (tr("Mouse Left Button Double Clicked:")+str); } else if(e->button()==Qt::RightButton) { statusBar()->showMessage (tr("Mouse Right Button Double Clicked:")+str); } else if(e->button()==Qt::MidButton) { statusBar()->showMessage (tr("Mouse Middle Button Double Clicked:")+str); } }void MouseEvent::mouseReleaseEvent ( QMouseEvent * e ){ QString str="("+QString::number(e->x())+","+QString::number(e->y())+")"; statusBar()->showMessage (tr("Mouser Released:")+str,3000);}?? 快捷鍵說明
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