#include "mainwindow.h"

#include 
    

#include 
    

#include 
    

MainWindow::MainWindow(QWidget *parent) :

QMainWindow(parent)

{

this->setupUi(this);

QWidget::installEventFilter(this);

}

MainWindow::~MainWindow()

{

}

//通过过滤器组合Control + Enter 按键

bool MainWindow::eventFilter(QObject *watched, QEvent *event)

{

if(event->type()==event->KeyPress)

{

QKeyEvent *keyEvent = (QKeyEvent *)event;

if(keyEvent->key() == Qt::Key_Return && (keyEvent->modifiers() & Qt::ControlModifier))

{

qDebug()<<"EnterKey + ControlKey";

return true;

}

}

return false;

}

//按键与鼠标的结合 键盘按住Ctrl键 + 鼠标左键的实现

void MainWindow::mousePressEvent(QMouseEvent *event)

{

// 获取鼠标在点击窗体上的坐标

QPoint pos = event->pos();

qDebug()<

if(QApplication::keyboardModifiers() == Qt::ShiftModifier)

{

if(event->button() == Qt::LeftButton)

{

qDebug()<<"ShiftKey + MOuseLeftButton";

return;

}

}

if(QApplication::keyboardModifiers() == Qt::ControlModifier)

{

if(event->button() == Qt::RightButton)

{

qDebug()<<"ShiftKey + MOuseRightButton";

return;

}

}

}

//三键组合Shift + Ctrl + A的实现

void MainWindow::keyPressEvent(QKeyEvent *event)

{

if (event->modifiers() == (Qt::ShiftModifier | Qt::ControlModifier) && event->key() == Qt::Key_A)

{

qDebug()<<"ShiftKey + controlKey + A";

return;

}

//    if (event->modifiers() == (Qt::ShiftModifier | Qt::ControlModifier))

//    {

//        qDebug()<<"ShiftKey + controlKey";

//        return;

//    }

}