81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
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#include "mainwindow.h"
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#include "./ui_mainwindow.h"
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#include <QPainter>
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#include <QPropertyAnimation>
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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, ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinimizeButtonHint);
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this->setAttribute(Qt::WA_TranslucentBackground, true);
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m_bgLinearGradient.setColorAt(0, QColor(255, 255, 255, 25)); // a:0
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m_bgLinearGradient.setColorAt(1, QColor(255, 255, 255, 200));
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m_bgLinearGradient.setStart(0, 0);
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m_bgLinearGradient.setFinalStop(0, height());
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m_fadeOutAnimation = new QPropertyAnimation(this, "windowOpacity", this);
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m_fadeOutAnimation->setDuration(400);
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m_fadeOutAnimation->setStartValue(1);
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m_fadeOutAnimation->setEndValue(0);
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connect(m_fadeOutAnimation, &QPropertyAnimation::finished, this, &QMainWindow::close);
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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void MainWindow::closeEvent(QCloseEvent *)
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{
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qApp->exit();
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}
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void MainWindow::paintEvent(QPaintEvent * e)
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{
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QPainter painter(this);
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painter.setBrush(QBrush(m_bgLinearGradient));
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painter.setPen(Qt::NoPen);
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painter.drawRect(0, 0, width(), height());
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return QMainWindow::paintEvent(e);
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}
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void MainWindow::mousePressEvent(QMouseEvent *event)
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{
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if (event->buttons() & Qt::LeftButton && !isMaximized()) {
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m_clickedOnWindow = true;
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m_oldMousePos = event->pos();
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event->accept();
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}
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return QMainWindow::mousePressEvent(event);
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}
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void MainWindow::mouseMoveEvent(QMouseEvent *event)
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{
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if (event->buttons() & Qt::LeftButton && m_clickedOnWindow) {
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move(event->globalPos() - m_oldMousePos);
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event->accept();
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}
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return QMainWindow::mouseMoveEvent(event);
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}
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void MainWindow::mouseReleaseEvent(QMouseEvent *event)
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{
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m_clickedOnWindow = false;
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return QMainWindow::mouseReleaseEvent(event);
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}
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void MainWindow::on_closeWindowBtn_clicked()
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{
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m_fadeOutAnimation->start();
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}
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