From cd352b186c2881af9342cf76693500ce3a48be8a Mon Sep 17 00:00:00 2001
From: XieLong <xielongmaster@gmail.com>
Date: 周日, 15 9月 2024 12:32:05 +0800
Subject: [PATCH] Optimize mainwindow Example code, ensure that only one style is selected at a time. (#137)
---
examples/mainwindow/mainwindow.cpp | 334 ++++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 292 insertions(+), 42 deletions(-)
diff --git a/examples/mainwindow/mainwindow.cpp b/examples/mainwindow/mainwindow.cpp
index ce3d742..14227ea 100644
--- a/examples/mainwindow/mainwindow.cpp
+++ b/examples/mainwindow/mainwindow.cpp
@@ -1,17 +1,36 @@
+// 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 QPushButton {
+class ClockWidget : public QLabel {
public:
- explicit ClockWidget(QWidget *parent = nullptr) : QPushButton(parent) {
+ explicit ClockWidget(QWidget *parent = nullptr) : QLabel(parent) {
startTimer(100);
+ setAlignment(Qt::AlignCenter);
}
~ClockWidget() override = default;
@@ -24,80 +43,311 @@
MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {
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();
}
-MainWindow::~MainWindow() {
+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::closeEvent(QCloseEvent *event) {
+ // if (!(qApp->keyboardModifiers() & Qt::ControlModifier)) {
+ // QTimer::singleShot(1000, this, &QWidget::show);
+ // }
+ event->accept();
}
void MainWindow::installWindowAgent() {
- auto agent = new QWK::WidgetWindowAgent(this);
- if (!agent->setup(this)) {
- qFatal("Frameless handle failed to initialize.");
- }
+ // 1. Setup window agent
+ windowAgent = new QWK::WidgetWindowAgent(this);
+ windowAgent->setup(this);
- auto titleLabel = new QLabel();
- titleLabel->setAlignment(Qt::AlignCenter);
+ // 2. Construct your title bar
+ auto menuBar = [this]() {
+ auto menuBar = new QMenuBar(this);
- auto menuBar = []() {
- auto menuBar = new QMenuBar();
- auto file = new QMenu("File(&F)");
- file->addAction(new QAction("New(&N)"));
- file->addAction(new QAction("Open(&O)"));
+ // 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("Edit(&E)");
- edit->addAction(new QAction("Undo(&U)"));
- edit->addAction(new QAction("Redo(&R)"));
+ 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 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);
+ // At most one action can be checked at any one time. The actions can also be all unchecked.
+ winStyleGroup->setExclusionPolicy(QActionGroup::ExclusionPolicy::ExclusiveOptional);
+ 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 (auto _act : winStyleGroup->actions()) {
+ windowAgent->setWindowAttribute(_act->data().toString(), false);
+ }
+ windowAgent->setWindowAttribute(action->data().toString(), action->isChecked());
+ setProperty("custom-style", action->isChecked());
+ style()->polish(this);
+ });
+
+#elif defined(Q_OS_MAC)
+ 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(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 iconButton = new QPushButton("I");
- iconButton->setAttribute(Qt::WA_Hover);
- iconButton->setMouseTracking(true);
- auto minButton = new QPushButton("鈥�");
- minButton->setAttribute(Qt::WA_Hover);
- minButton->setMouseTracking(true);
- auto maxButton = new QPushButton("馃棖");
+ 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 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->setAttribute(Qt::WA_Hover);
- maxButton->setMouseTracking(true);
- auto closeButton = new QPushButton("鉁�");
- closeButton->setAttribute(Qt::WA_Hover);
- closeButton->setMouseTracking(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->setMinButton(minButton);
windowBar->setMaxButton(maxButton);
windowBar->setCloseButton(closeButton);
+#endif
windowBar->setMenuBar(menuBar);
windowBar->setTitleLabel(titleLabel);
windowBar->setHostWidget(this);
- agent->setTitleBar(windowBar);
- agent->setSystemButton(QWK::CoreWindowAgent::WindowIcon, iconButton);
- agent->setSystemButton(QWK::CoreWindowAgent::Minimize, minButton);
- agent->setSystemButton(QWK::CoreWindowAgent::Maximize, maxButton);
- agent->setSystemButton(QWK::CoreWindowAgent::Close, closeButton);
- agent->setHitTestVisible(menuBar, true);
+ windowAgent->setTitleBar(windowBar);
+#ifndef Q_OS_MAC
+ 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);
+#ifdef Q_OS_MAC
+ 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::minimizeRequested, this, &QWidget::showMinimized);
- connect(windowBar, &QWK::WindowBar::maximizeRequested, this, [this](bool max) {
+ 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
+}
- auto clockWidget = new ClockWidget();
- clockWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+void MainWindow::loadStyleSheet(Theme theme) {
+ if (!styleSheet().isEmpty() && theme == currentTheme)
+ return;
+ currentTheme = theme;
- setMenuWidget(windowBar);
- setCentralWidget(clockWidget);
- setWindowTitle("Example MainWindow");
- resize(640, 480);
+ 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();
+ }
}
--
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