From 2d2fc799bc698ebf7e7c8bcc394366d0d7bf071b Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周二, 20 2月 2024 18:18:39 +0800
Subject: [PATCH] Partially finish the bug after window close and reshow

---
 examples/mainwindow/mainwindow.cpp |  202 +++++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 182 insertions(+), 20 deletions(-)

diff --git a/examples/mainwindow/mainwindow.cpp b/examples/mainwindow/mainwindow.cpp
index 80a4c3a..8d6372a 100644
--- a/examples/mainwindow/mainwindow.cpp
+++ b/examples/mainwindow/mainwindow.cpp
@@ -1,12 +1,23 @@
+// 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 <QWKWidgets/widgetwindowagent.h>
 
@@ -36,12 +47,12 @@
     clockWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     setCentralWidget(clockWidget);
 
-    if (QFile qss(QStringLiteral(":/dark-style.qss")); qss.open(QIODevice::ReadOnly | QIODevice::Text)) {
-        setStyleSheet(QString::fromUtf8(qss.readAll()));
-    }
+    loadStyleSheet(Dark);
 
     setWindowTitle(tr("Example MainWindow"));
-    resize(640, 480);
+    resize(800, 600);
+
+    windowAgent->centralize();
 }
 
 static inline void emulateLeaveEvent(QWidget *widget) {
@@ -104,24 +115,145 @@
     return QMainWindow::event(event);
 }
 
-void MainWindow::installWindowAgent() {
-    auto agent = new QWK::WidgetWindowAgent(this);
-    if (!agent->setup(this)) {
-        qFatal("QWK failed to initialize.");
-    }
 
-    auto menuBar = []() {
+void MainWindow::closeEvent(QCloseEvent *event) {
+    if (!(qApp->keyboardModifiers() & Qt::ControlModifier)) {
+        QTimer::singleShot(1000, this, &QWidget::show);
+    }
+    event->accept();
+}
+
+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();
+
+        // 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 dwmBlurAction = new QAction(tr("Enable DWM blur"), menuBar);
+        dwmBlurAction->setCheckable(true);
+        connect(dwmBlurAction, &QAction::toggled, this, [this](bool checked) {
+            if (!windowAgent->setWindowAttribute(QStringLiteral("dwm-blur"), checked)) {
+                return;
+            }
+            setProperty("custom-style", checked);
+            style()->polish(this);
+        });
+
+        auto acrylicAction = new QAction(tr("Enable acrylic material"), menuBar);
+        acrylicAction->setCheckable(true);
+        connect(acrylicAction, &QAction::toggled, this, [this](bool checked) {
+            if (!windowAgent->setWindowAttribute(QStringLiteral("acrylic-material"), true)) {
+                return;
+            }
+            setProperty("custom-style", checked);
+            style()->polish(this);
+        });
+
+        auto micaAction = new QAction(tr("Enable mica"), menuBar);
+        micaAction->setCheckable(true);
+        connect(micaAction, &QAction::toggled, this, [this](bool checked) {
+            if (!windowAgent->setWindowAttribute(QStringLiteral("mica"), checked)) {
+                return;
+            }
+            setProperty("custom-style", checked);
+            style()->polish(this);
+        });
+
+        auto micaAltAction = new QAction(tr("Enable mica alt"), menuBar);
+        micaAltAction->setCheckable(true);
+        connect(micaAltAction, &QAction::toggled, this, [this](bool checked) {
+            if (!windowAgent->setWindowAttribute(QStringLiteral("mica-alt"), checked)) {
+                return;
+            }
+            setProperty("custom-style", checked);
+            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"));
@@ -130,6 +262,7 @@
     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);
@@ -149,33 +282,48 @@
     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::WindowAgentBase::WindowIcon, iconButton);
-    agent->setSystemButton(QWK::WindowAgentBase::Minimize, minButton);
-    agent->setSystemButton(QWK::WindowAgentBase::Maximize, maxButton);
-    agent->setSystemButton(QWK::WindowAgentBase::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);
+
+    // 3. Adds simulated mouse events to the title bar buttons
 #ifdef Q_OS_WINDOWS
     // Emulate Window system menu button behaviors
-    connect(iconButton, &QAbstractButton::clicked, this, [iconButton, agent] {
+    connect(iconButton, &QAbstractButton::clicked, windowAgent, [this, iconButton] {
         iconButton->setProperty("double-click-close", false);
 
         // Pick a suitable time threshold
-        QTimer::singleShot(75, [iconButton, agent]() {
+        QTimer::singleShot(75, windowAgent, [this, iconButton]() {
             if (iconButton->property("double-click-close").toBool())
                 return;
-            agent->showSystemMenu(iconButton->mapToGlobal(QPoint{0, iconButton->height()}));
+            windowAgent->showSystemMenu(iconButton->mapToGlobal(QPoint{0, iconButton->height()}));
         });
     });
     connect(iconButton, &QWK::WindowButton::doubleClicked, this, [iconButton, this]() {
@@ -184,6 +332,7 @@
     });
 #endif
 
+#ifndef Q_OS_MAC
     connect(windowBar, &QWK::WindowBar::minimizeRequested, this, &QWidget::showMinimized);
     connect(windowBar, &QWK::WindowBar::maximizeRequested, this, [this, maxButton](bool max) {
         if (max) {
@@ -198,5 +347,18 @@
         emulateLeaveEvent(maxButton);
     });
     connect(windowBar, &QWK::WindowBar::closeRequested, this, &QWidget::close);
-    setMenuWidget(windowBar);
+#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();
+    }
 }

--
Gitblit v1.9.1