Qt完美的无边框解决方案示例源码

#include "QtWidgetsTest.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> #include <QtWidgets/QActionGroup> #include <QWKWidgets/widgetwindowagent.h> #include "widgetframe/windowbar.h" #include "widgetframe/windowbutton.h" #pragma execution_character_set("utf-8") QtWidgetsTest::QtWidgetsTest(QWidget* parent) : QMainWindow(parent) { ui.setupUi(this); installWindowAgent(); loadFramStyleSheet(Dark); initialBrowserTree(); setWindowTitle(QString::fromUtf8("三维可视化系统")); } QtWidgetsTest::~QtWidgetsTest() {} 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); } } }); } bool QtWidgetsTest::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 QtWidgetsTest::closeEvent(QCloseEvent* event) { event->accept(); } void QtWidgetsTest::installWindowAgent() { windowAgent = new QWK::WidgetWindowAgent(this); windowAgent->setup(this); auto windowBar = new QWK::WindowBar(); 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) { loadFramStyleSheet(checked ? Dark : Light); }); connect(this, &QtWidgetsTest::themeChanged, darkAction, [this, darkAction]() { darkAction->setChecked(currentTheme == Dark); // }); 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); }); // Real menu auto settings = new QMenu(tr("Settings(&S)"), menuBar); settings->addAction(darkAction); settings->addSeparator(); settings->addAction(dwmBlurAction); settings->addAction(acrylicAction); settings->addAction(micaAction); settings->addAction(micaAltAction); 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")); 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->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); windowBar->setIconButton(iconButton); windowBar->setMinButton(minButton); windowBar->setMaxButton(maxButton); windowBar->setCloseButton(closeButton); windowAgent->setTitleBar(windowBar); windowBar->setMenuBar(menuBar); windowBar->setTitleLabel(titleLabel); windowBar->setHostWidget(this); windowAgent->setSystemButton(QWK::WindowAgentBase::WindowIcon, iconButton); windowAgent->setSystemButton(QWK::WindowAgentBase::Minimize, minButton); windowAgent->setSystemButton(QWK::WindowAgentBase::Maximize, maxButton); windowAgent->setSystemButton(QWK::WindowAgentBase::Close, closeButton); windowAgent->setHitTestVisible(menuBar, true); setMenuWidget(windowBar); 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(); }); connect(windowBar, &QWK::WindowBar