// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
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// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
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// SPDX-License-Identifier: Apache-2.0
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#include "mainwindow.h"
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#include <QtCore/QDebug>
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#include <QtCore/QFile>
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#include <QtCore/QTime>
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#include <QtCore/QTimer>
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#include <QtGui/QPainter>
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#include <QtGui/QWindow>
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#include <QtWidgets/QApplication>
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#include <QtWidgets/QStyle>
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#include <QtWidgets/QPushButton>
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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# include <QtGui/QActionGroup>
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#else
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# include <QtWidgets/QActionGroup>
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#endif
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// #include <QtWebEngineWidgets/QWebEngineView>
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#include <QWKWidgets/widgetwindowagent.h>
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#include <widgetframe/windowbar.h>
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#include <widgetframe/windowbutton.h>
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class ClockWidget : public QLabel {
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public:
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explicit ClockWidget(QWidget *parent = nullptr) : QLabel(parent) {
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startTimer(100);
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setAlignment(Qt::AlignCenter);
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}
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~ClockWidget() override = default;
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protected:
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void timerEvent(QTimerEvent *event) override {
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setText(QTime::currentTime().toString(QStringLiteral("hh:mm:ss")));
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}
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};
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MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {
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installWindowAgent();
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#if 1
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auto clockWidget = new ClockWidget();
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clockWidget->setObjectName(QStringLiteral("clock-widget"));
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clockWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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setCentralWidget(clockWidget);
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#else
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auto webView = new QWebEngineView();
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webView->load(QUrl("https://www.baidu.com"));
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setCentralWidget(webView);
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#endif
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loadStyleSheet(Dark);
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setWindowTitle(tr("Example MainWindow"));
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resize(800, 600);
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// windowAgent->centralize();
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}
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static inline void emulateLeaveEvent(QWidget *widget) {
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Q_ASSERT(widget);
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if (!widget) {
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return;
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}
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QTimer::singleShot(0, widget, [widget]() {
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
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const QScreen *screen = widget->screen();
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#else
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const QScreen *screen = widget->windowHandle()->screen();
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#endif
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const QPoint globalPos = QCursor::pos(screen);
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if (!QRect(widget->mapToGlobal(QPoint{0, 0}), widget->size()).contains(globalPos)) {
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QCoreApplication::postEvent(widget, new QEvent(QEvent::Leave));
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if (widget->testAttribute(Qt::WA_Hover)) {
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const QPoint localPos = widget->mapFromGlobal(globalPos);
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const QPoint scenePos = widget->window()->mapFromGlobal(globalPos);
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static constexpr const auto oldPos = QPoint{};
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const Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers();
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 4, 0))
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const auto event =
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new QHoverEvent(QEvent::HoverLeave, scenePos, globalPos, oldPos, modifiers);
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Q_UNUSED(localPos);
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#elif (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
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const auto event = new QHoverEvent(QEvent::HoverLeave, localPos, globalPos, oldPos, modifiers);
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Q_UNUSED(scenePos);
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#else
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const auto event = new QHoverEvent(QEvent::HoverLeave, localPos, oldPos, modifiers);
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Q_UNUSED(scenePos);
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#endif
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QCoreApplication::postEvent(widget, event);
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}
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}
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});
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}
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MainWindow::~MainWindow() = default;
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bool MainWindow::event(QEvent *event) {
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switch (event->type()) {
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case QEvent::WindowActivate: {
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auto menu = menuWidget();
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menu->setProperty("bar-active", true);
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style()->polish(menu);
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break;
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}
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case QEvent::WindowDeactivate: {
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auto menu = menuWidget();
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menu->setProperty("bar-active", false);
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style()->polish(menu);
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break;
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}
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default:
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break;
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}
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return QMainWindow::event(event);
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}
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void MainWindow::closeEvent(QCloseEvent *event) {
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// if (!(qApp->keyboardModifiers() & Qt::ControlModifier)) {
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// QTimer::singleShot(1000, this, &QWidget::show);
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// }
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event->accept();
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}
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void MainWindow::installWindowAgent() {
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// 1. Setup window agent
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windowAgent = new QWK::WidgetWindowAgent(this);
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windowAgent->setup(this);
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// 2. Construct your title bar
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auto menuBar = [this]() {
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auto menuBar = new QMenuBar();
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// Virtual menu
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auto file = new QMenu(tr("File(&F)"), menuBar);
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file->addAction(new QAction(tr("New(&N)"), menuBar));
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file->addAction(new QAction(tr("Open(&O)"), menuBar));
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file->addSeparator();
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auto edit = new QMenu(tr("Edit(&E)"), menuBar);
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edit->addAction(new QAction(tr("Undo(&U)"), menuBar));
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edit->addAction(new QAction(tr("Redo(&R)"), menuBar));
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// Theme action
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auto darkAction = new QAction(tr("Enable dark theme"), menuBar);
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darkAction->setCheckable(true);
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connect(darkAction, &QAction::triggered, this, [this](bool checked) {
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loadStyleSheet(checked ? Dark : Light); //
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});
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connect(this, &MainWindow::themeChanged, darkAction, [this, darkAction]() {
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darkAction->setChecked(currentTheme == Dark); //
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});
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#ifdef Q_OS_WIN
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auto dwmBlurAction = new QAction(tr("Enable DWM blur"), menuBar);
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dwmBlurAction->setCheckable(true);
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connect(dwmBlurAction, &QAction::toggled, this, [this](bool checked) {
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if (!windowAgent->setWindowAttribute(QStringLiteral("dwm-blur"), checked)) {
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return;
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}
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setProperty("custom-style", checked);
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style()->polish(this);
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});
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auto acrylicAction = new QAction(tr("Enable acrylic material"), menuBar);
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acrylicAction->setCheckable(true);
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connect(acrylicAction, &QAction::toggled, this, [this](bool checked) {
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if (!windowAgent->setWindowAttribute(QStringLiteral("acrylic-material"), true)) {
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return;
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}
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setProperty("custom-style", checked);
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style()->polish(this);
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});
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auto micaAction = new QAction(tr("Enable mica"), menuBar);
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micaAction->setCheckable(true);
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connect(micaAction, &QAction::toggled, this, [this](bool checked) {
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if (!windowAgent->setWindowAttribute(QStringLiteral("mica"), checked)) {
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return;
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}
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setProperty("custom-style", checked);
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style()->polish(this);
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});
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auto micaAltAction = new QAction(tr("Enable mica alt"), menuBar);
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micaAltAction->setCheckable(true);
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connect(micaAltAction, &QAction::toggled, this, [this](bool checked) {
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if (!windowAgent->setWindowAttribute(QStringLiteral("mica-alt"), checked)) {
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return;
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}
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setProperty("custom-style", checked);
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style()->polish(this);
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});
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#elif defined(Q_OS_MAC)
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auto darkBlurAction = new QAction(tr("Dark blur"), menuBar);
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darkBlurAction->setCheckable(true);
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connect(darkBlurAction, &QAction::toggled, this, [this](bool checked) {
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if (!windowAgent->setWindowAttribute(QStringLiteral("blur-effect"), "dark")) {
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return;
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}
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if (checked) {
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setProperty("custom-style", true);
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style()->polish(this);
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}
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});
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auto lightBlurAction = new QAction(tr("Light blur"), menuBar);
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lightBlurAction->setCheckable(true);
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connect(lightBlurAction, &QAction::toggled, this, [this](bool checked) {
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if (!windowAgent->setWindowAttribute(QStringLiteral("blur-effect"), "light")) {
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return;
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}
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if (checked) {
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setProperty("custom-style", true);
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style()->polish(this);
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}
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});
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auto noBlurAction = new QAction(tr("No blur"), menuBar);
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noBlurAction->setCheckable(true);
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connect(noBlurAction, &QAction::toggled, this, [this](bool checked) {
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if (!windowAgent->setWindowAttribute(QStringLiteral("blur-effect"), "none")) {
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return;
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}
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if (checked) {
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setProperty("custom-style", false);
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style()->polish(this);
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}
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});
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auto macStyleGroup = new QActionGroup(menuBar);
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macStyleGroup->addAction(darkBlurAction);
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macStyleGroup->addAction(lightBlurAction);
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macStyleGroup->addAction(noBlurAction);
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#endif
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// Real menu
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auto settings = new QMenu(tr("Settings(&S)"), menuBar);
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settings->addAction(darkAction);
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#ifdef Q_OS_WIN
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settings->addSeparator();
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settings->addAction(dwmBlurAction);
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settings->addAction(acrylicAction);
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settings->addAction(micaAction);
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settings->addAction(micaAltAction);
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#elif defined(Q_OS_MAC)
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settings->addAction(darkBlurAction);
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settings->addAction(lightBlurAction);
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settings->addAction(noBlurAction);
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#endif
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menuBar->addMenu(file);
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menuBar->addMenu(edit);
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menuBar->addMenu(settings);
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return menuBar;
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}();
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menuBar->setObjectName(QStringLiteral("win-menu-bar"));
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auto titleLabel = new QLabel();
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titleLabel->setAlignment(Qt::AlignCenter);
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titleLabel->setObjectName(QStringLiteral("win-title-label"));
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#ifndef Q_OS_MAC
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auto iconButton = new QWK::WindowButton();
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iconButton->setObjectName(QStringLiteral("icon-button"));
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iconButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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auto minButton = new QWK::WindowButton();
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minButton->setObjectName(QStringLiteral("min-button"));
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minButton->setProperty("system-button", true);
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minButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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auto maxButton = new QWK::WindowButton();
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maxButton->setCheckable(true);
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maxButton->setObjectName(QStringLiteral("max-button"));
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maxButton->setProperty("system-button", true);
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maxButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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auto closeButton = new QWK::WindowButton();
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closeButton->setObjectName(QStringLiteral("close-button"));
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closeButton->setProperty("system-button", true);
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closeButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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#endif
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auto windowBar = new QWK::WindowBar();
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#ifndef Q_OS_MAC
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windowBar->setIconButton(iconButton);
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windowBar->setMinButton(minButton);
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windowBar->setMaxButton(maxButton);
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windowBar->setCloseButton(closeButton);
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#endif
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windowBar->setMenuBar(menuBar);
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windowBar->setTitleLabel(titleLabel);
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windowBar->setHostWidget(this);
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windowAgent->setTitleBar(windowBar);
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#ifndef Q_OS_MAC
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windowAgent->setSystemButton(QWK::WindowAgentBase::WindowIcon, iconButton);
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windowAgent->setSystemButton(QWK::WindowAgentBase::Minimize, minButton);
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windowAgent->setSystemButton(QWK::WindowAgentBase::Maximize, maxButton);
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windowAgent->setSystemButton(QWK::WindowAgentBase::Close, closeButton);
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#endif
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windowAgent->setHitTestVisible(menuBar, true);
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#ifdef Q_OS_MAC
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windowAgent->setSystemButtonAreaCallback([](const QSize &size) {
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static constexpr const int width = 75;
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return QRect(QPoint(size.width() - width, 0), QSize(width, size.height())); //
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});
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#endif
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setMenuWidget(windowBar);
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// 3. Adds simulated mouse events to the title bar buttons
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#ifdef Q_OS_WINDOWS
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// Emulate Window system menu button behaviors
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connect(iconButton, &QAbstractButton::clicked, windowAgent, [this, iconButton] {
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iconButton->setProperty("double-click-close", false);
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// Pick a suitable time threshold
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QTimer::singleShot(75, windowAgent, [this, iconButton]() {
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if (iconButton->property("double-click-close").toBool())
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return;
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windowAgent->showSystemMenu(iconButton->mapToGlobal(QPoint{0, iconButton->height()}));
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});
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});
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connect(iconButton, &QWK::WindowButton::doubleClicked, this, [iconButton, this]() {
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iconButton->setProperty("double-click-close", true);
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close();
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});
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#endif
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#ifndef Q_OS_MAC
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connect(windowBar, &QWK::WindowBar::minimizeRequested, this, &QWidget::showMinimized);
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connect(windowBar, &QWK::WindowBar::maximizeRequested, this, [this, maxButton](bool max) {
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if (max) {
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showMaximized();
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} else {
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showNormal();
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}
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// It's a Qt issue that if a QAbstractButton::clicked triggers a window's maximization,
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// the button remains to be hovered until the mouse move. As a result, we need to
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// manually send leave events to the button.
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emulateLeaveEvent(maxButton);
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});
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connect(windowBar, &QWK::WindowBar::closeRequested, this, &QWidget::close);
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#endif
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}
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void MainWindow::loadStyleSheet(Theme theme) {
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if (!styleSheet().isEmpty() && theme == currentTheme)
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return;
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currentTheme = theme;
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if (QFile qss(theme == Dark ? QStringLiteral(":/dark-style.qss")
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: QStringLiteral(":/light-style.qss"));
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qss.open(QIODevice::ReadOnly | QIODevice::Text)) {
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setStyleSheet(QString::fromUtf8(qss.readAll()));
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Q_EMIT themeChanged();
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}
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}
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