57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
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#include "widget.h"
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#include "ui_widget.h"
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#include "qevent.h"
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#include "qdebug.h"
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Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget)
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{
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ui->setupUi(this);
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this->setAttribute(Qt::WA_TranslucentBackground);
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this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinimizeButtonHint);
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ui->widget->installEventFilter(this);
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ui->widget->setStyleSheet(QString("background-image:url(:/image/%1.png);").arg(1));
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}
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Widget::~Widget()
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{
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delete ui;
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}
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bool Widget::eventFilter(QObject *watched, QEvent *evt)
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{
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static int index = 1;
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static QPoint mousePoint;
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static bool mousePressed = false;
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QMouseEvent *event = static_cast<QMouseEvent *>(evt);
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if (event->type() == QEvent::MouseButtonPress) {
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if (event->button() == Qt::LeftButton) {
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mousePressed = true;
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mousePoint = event->globalPos() - this->pos();
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if (index == 5) {
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index = 1;
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} else {
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index++;
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}
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ui->widget->setStyleSheet(QString("background-image:url(:/image/%1.png);").arg(index));
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return true;
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} else {
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exit(0);
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}
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} else if (event->type() == QEvent::MouseButtonRelease) {
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mousePressed = false;
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return true;
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} else if (event->type() == QEvent::MouseMove) {
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if (mousePressed && (event->buttons() && Qt::LeftButton)) {
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this->move(event->globalPos() - mousePoint);
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return true;
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}
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}
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return QWidget::eventFilter(watched, event);
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}
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