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2026-06-10 11:17:51 +08:00

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