qt-course/mouse-click-event/MyWidget.cpp

   1 #include <QLabel>
   2 #include <QString>
   3 #include <QMouseEvent>
   4 #include <QPushButton>
   5 #include <QVBoxLayout>
   6
   7 #include "MyWidget.h"
   8
   9 MyWidget::MyWidget(QWidget *parent)
  10 : QWidget(parent)
  11 {
  12         m_label = new QLabel("Hello, World!", this);
  13         m_button = new QPushButton("Press me", this);
  14
  15         QVBoxLayout *layout = new QVBoxLayout(this);
  16         layout->addWidget(m_label);
  17         layout->addWidget(m_button);
  18 }
  19
  20 MyWidget::~MyWidget()
  21 {
  22 }
  23
  24 void MyWidget::mousePressEvent(QMouseEvent *event)
  25 {
  26         QString text = "Clicked: " + QString::number(event->x()) +
  27                 "," + QString::number(event->y());
  28         m_label->setText(text);
  29 }