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iridiumR 2022-04-19 16:08:11 +08:00
parent cc333db7f0
commit f370f07eee
5 changed files with 0 additions and 136 deletions
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24
SoftwareDesign/Code/2-3-5/lab2-3-5_KeyEvent/lab2-3-5_KeyEvent.pro
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QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
CONFIG += c++17
# You can make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += \
main.cpp \
mainwindow.cpp
HEADERS += \
mainwindow.h
FORMS += \
mainwindow.ui
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

11
SoftwareDesign/Code/2-3-5/lab2-3-5_KeyEvent/main.cpp
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#include "mainwindow.h"
#include <QApplication>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}

32
SoftwareDesign/Code/2-3-5/lab2-3-5_KeyEvent/mainwindow.cpp
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#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent), ui(new Ui::MainWindow) {
ui->setupUi(this);
}
MainWindow::~MainWindow() { delete ui; }
void MainWindow::keyPressEvent(QKeyEvent *event) {
if (event->key() == Qt::Key_Up) {
ui->l->move(ui->l->pos().x(), ui->l->pos().y() - 20);
} else if (event->key() == Qt::Key_Down) {
ui->l->move(ui->l->pos().x(), ui->l->pos().y() + 20);
} else if (event->key() == Qt::Key_Left) {
ui->l->move(ui->l->pos().x() - 20, ui->l->pos().y());
} else if (event->key() == Qt::Key_Right) {
ui->l->move(ui->l->pos().x() + 20, ui->l->pos().y());
}
}
void MainWindow::keyReleaseEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Up) {
ui->l->move(ui->l->pos().x(), ui->l->pos().y() - 20);
} else if (e->key() == Qt::Key_Down) {
ui->l->move(ui->l->pos().x(), ui->l->pos().y() + 20);
} else if (e->key() == Qt::Key_Left) {
ui->l->move(ui->l->pos().x() - 20, ui->l->pos().y());
} else if (e->key() == Qt::Key_Right) {
ui->l->move(ui->l->pos().x() + 20, ui->l->pos().y());
}
}

24
SoftwareDesign/Code/2-3-5/lab2-3-5_KeyEvent/mainwindow.h
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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QKeyEvent>
#include <QMainWindow>
QT_BEGIN_NAMESPACE
namespace Ui {
class MainWindow;
}
QT_END_NAMESPACE
class MainWindow : public QMainWindow {
Q_OBJECT
public:
MainWindow(QWidget *parent = nullptr);
~MainWindow();
private:
Ui::MainWindow *ui;
void keyPressEvent(QKeyEvent *e);
void keyReleaseEvent(QKeyEvent *e);
};
#endif // MAINWINDOW_H

45
SoftwareDesign/Code/2-3-5/lab2-3-5_KeyEvent/mainwindow.ui
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainWindow</class>
<widget class="QMainWindow" name="MainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>600</height>
</rect>
</property>
<property name="windowTitle">
<string>MainWindow</string>
</property>
<widget class="QWidget" name="centralwidget">
<widget class="QLabel" name="l">
<property name="geometry">
<rect>
<x>240</x>
<y>200</y>
<width>77</width>
<height>25</height>
</rect>
</property>
<property name="text">
<string>TextLabel</string>
</property>
</widget>
</widget>
<widget class="QMenuBar" name="menubar">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>30</height>
</rect>
</property>
</widget>
<widget class="QStatusBar" name="statusbar"/>
</widget>
<resources/>
<connections/>
</ui>