41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent), ui(new Ui::MainWindow) {
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ui->setupUi(this);
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ui->centralwidget->setMouseTracking(true);
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setMouseTracking(true);
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}
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MainWindow::~MainWindow() { delete ui; }
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void MainWindow::mousePressEvent(QMouseEvent *e) {
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if (e->button() == Qt::LeftButton)
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ui->l1->setText("Left button press");
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else
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ui->l1->setText("Right button press");
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}
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void MainWindow::mouseReleaseEvent(QMouseEvent *e) {
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if (e->button() == Qt::LeftButton)
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ui->l1->setText("Left button release");
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else
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ui->l1->setText("Right button release");
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}
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void MainWindow::mouseDoubleClickEvent(QMouseEvent *e) {
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if (e->button() == Qt::LeftButton)
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ui->l1->setText("Left button double click");
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else
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ui->l1->setText("Right button double click");
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}
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void MainWindow::mouseMoveEvent(QMouseEvent *e) {
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QPoint pos = e->globalPos();
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ui->l2->setText(QString("(%1,%2)").arg(pos.rx()).arg(pos.ry()));
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}
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void MainWindow::wheelEvent(QWheelEvent *e) {
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if (e->delta() > 0)
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ui->l1->setText("scroll up");
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else
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ui->l1->setText("scroll down");
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}
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