From 6b2d31247dc2c2804e571b31a71c8a423c1db9d4 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周二, 26 12月 2023 01:44:03 +0800
Subject: [PATCH] Totally fix top border issue on Win10 for QtWidgets
---
examples/mainwindow/mainwindow.cpp | 286 +++++++++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 246 insertions(+), 40 deletions(-)
diff --git a/examples/mainwindow/mainwindow.cpp b/examples/mainwindow/mainwindow.cpp
index 7246fdd..983a7a3 100644
--- a/examples/mainwindow/mainwindow.cpp
+++ b/examples/mainwindow/mainwindow.cpp
@@ -1,17 +1,30 @@
#include "mainwindow.h"
#include <QtCore/QDebug>
+#include <QtCore/QFile>
#include <QtCore/QTime>
+#include <QtCore/QTimer>
+#include <QtGui/QPainter>
+#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 <QWKCore/styleagent.h>
#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;
@@ -24,79 +37,272 @@
MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {
installWindowAgent();
+ installStyleAgent();
+
+ auto clockWidget = new ClockWidget();
+ clockWidget->setObjectName(QStringLiteral("clock-widget"));
+ clockWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+ setCentralWidget(clockWidget);
+
+ loadStyleSheet(Dark);
+
+ setWindowTitle(tr("Example MainWindow"));
+ resize(800, 600);
}
-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();
+ menu->setProperty("bar-active", true);
+ style()->polish(menu);
+ break;
+ }
+
+ case QEvent::WindowDeactivate: {
+ auto menu = menuWidget();
+ menu->setProperty("bar-active", false);
+ style()->polish(menu);
+ break;
+ }
+
+ default:
+ break;
+ }
+ return QMainWindow::event(event);
}
void MainWindow::installWindowAgent() {
- auto agent = new QWK::WidgetWindowAgent(this);
- if (!agent->setup(this)) {
- qDebug() << "Frameless handle failed to initialize.";
- return;
- }
+ // 1. Setup window agent
+ windowAgent = new QWK::WidgetWindowAgent(this);
+ windowAgent->setup(this);
- auto titleLabel = new QLabel();
- titleLabel->setAlignment(Qt::AlignCenter);
-
- auto menuBar = []() {
+ // 2. Construct your title bar
+ auto menuBar = [this]() {
auto menuBar = new QMenuBar();
- auto file = new QMenu("File(&F)");
- file->addAction(new QAction("New(&N)"));
- file->addAction(new QAction("Open(&O)"));
- auto edit = new QMenu("Edit(&E)");
- edit->addAction(new QAction("Undo(&U)"));
- edit->addAction(new QAction("Redo(&R)"));
+ // 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::triggered, 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::triggered, 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::triggered, 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::triggered, this, [this](bool checked) {
+ if (!windowAgent->setWindowAttribute(QStringLiteral("mica-alt"), checked)) {
+ return;
+ }
+ setProperty("custom-style", checked);
+ style()->polish(this);
+ });
+
+ auto winStyleGroup = new QActionGroup(menuBar);
+ winStyleGroup->addAction(dwmBlurAction);
+ winStyleGroup->addAction(acrylicAction);
+ winStyleGroup->addAction(micaAction);
+ winStyleGroup->addAction(micaAltAction);
+#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);
+#endif
menuBar->addMenu(file);
menuBar->addMenu(edit);
+ menuBar->addMenu(settings);
return menuBar;
}();
+ menuBar->setObjectName(QStringLiteral("win-menu-bar"));
- static const auto buttonStyleSheet = QLatin1String{ "QPushButton{color:black;};QPushButton:hover{background-color:black;color:white;}" };
+ auto titleLabel = new QLabel();
+ titleLabel->setAlignment(Qt::AlignCenter);
+ titleLabel->setObjectName(QStringLiteral("win-title-label"));
- auto iconButton = new QPushButton("I");
- iconButton->setStyleSheet(buttonStyleSheet);
- auto minButton = new QPushButton("鈥�");
- minButton->setStyleSheet(buttonStyleSheet);
- auto maxButton = new QPushButton("馃棖");
- maxButton->setStyleSheet(buttonStyleSheet);
+#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);
- auto closeButton = new QPushButton("鉁�");
- closeButton->setStyleSheet(buttonStyleSheet);
+ 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);
+ 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, windowAgent, [this, iconButton] {
+ iconButton->setProperty("double-click-close", false);
+
+ // Pick a suitable time threshold
+ QTimer::singleShot(75, windowAgent, [this, iconButton]() {
+ if (iconButton->property("double-click-close").toBool())
+ return;
+ windowAgent->showSystemMenu(iconButton->mapToGlobal(QPoint{0, iconButton->height()}));
+ });
+ });
+ connect(iconButton, &QWK::WindowButton::doubleClicked, this, [iconButton, this]() {
+ iconButton->setProperty("double-click-close", true);
+ close();
+ });
+#endif
+
+#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::installStyleAgent() {
+ styleAgent = new QWK::StyleAgent(this);
+}
- setMenuWidget(windowBar);
- setCentralWidget(clockWidget);
- setWindowTitle("Example MainWindow");
- resize(1024, 768);
+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();
+ }
}
--
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