#include "mainwindow.h"
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#include <QtCore/QDebug>
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#include <QtCore/QFile>
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#include <QtCore/QTime>
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#include <QtCore/QTimer>
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#include <QtWidgets/QApplication>
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#include <QtWidgets/QStyle>
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#include <QtWidgets/QPushButton>
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#include <QWKWidgets/widgetwindowagent.h>
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#include <widgetframe/windowbar.h>
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#include <widgetframe/windowbutton.h>
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class ClockWidget : public QLabel {
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public:
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explicit ClockWidget(QWidget *parent = nullptr) : QLabel(parent) {
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startTimer(100);
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setAlignment(Qt::AlignCenter);
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}
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~ClockWidget() override = default;
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protected:
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void timerEvent(QTimerEvent *event) override {
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setText(QTime::currentTime().toString(QStringLiteral("hh:mm:ss")));
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}
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};
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MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {
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installWindowAgent();
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auto clockWidget = new ClockWidget();
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clockWidget->setObjectName("clock-widget");
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clockWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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setCentralWidget(clockWidget);
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if (QFile qss(":/dark-style.qss"); qss.open(QIODevice::ReadOnly | QIODevice::Text)) {
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setStyleSheet(QString::fromUtf8(qss.readAll()));
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}
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setWindowTitle("Example MainWindow");
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resize(640, 480);
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}
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static inline void emulateLeaveEvent(QWidget *widget) {
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Q_ASSERT(widget);
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if (!widget) {
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return;
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}
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QTimer::singleShot(0, widget, [widget]() {
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
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const QScreen *screen = widget->screen();
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#else
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const QScreen *screen = widget->windowHandle()->screen();
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#endif
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const QPoint globalPos = QCursor::pos(screen);
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if (!QRect(widget->mapToGlobal(QPoint{0, 0}), widget->size()).contains(globalPos)) {
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QCoreApplication::postEvent(widget, new QEvent(QEvent::Leave));
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if (widget->testAttribute(Qt::WA_Hover)) {
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const QPoint localPos = widget->mapFromGlobal(globalPos);
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const QPoint scenePos = widget->window()->mapFromGlobal(globalPos);
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static constexpr const auto oldPos = QPoint{};
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const Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers();
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 4, 0))
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const auto event =
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new QHoverEvent(QEvent::HoverLeave, scenePos, globalPos, oldPos, modifiers);
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Q_UNUSED(localPos);
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#elif (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
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const auto event = new QHoverEvent(QEvent::HoverLeave, localPos, globalPos, oldPos, modifiers);
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Q_UNUSED(scenePos);
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#else
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const auto event = new QHoverEvent(QEvent::HoverLeave, localPos, oldPos, modifiers);
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Q_UNUSED(scenePos);
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#endif
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QCoreApplication::postEvent(widget, event);
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}
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}
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});
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}
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MainWindow::~MainWindow() {
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}
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bool MainWindow::event(QEvent *event) {
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switch (event->type()) {
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case QEvent::WindowActivate: {
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auto menu = menuWidget();
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menu->setProperty("bar-active", true);
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style()->polish(menu);
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break;
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}
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case QEvent::WindowDeactivate: {
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auto menu = menuWidget();
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menu->setProperty("bar-active", false);
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style()->polish(menu);
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break;
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}
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default:
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break;
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}
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return QMainWindow::event(event);
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}
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void MainWindow::installWindowAgent() {
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auto agent = new QWK::WidgetWindowAgent(this);
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if (!agent->setup(this)) {
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qFatal("Frameless handle failed to initialize.");
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}
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auto menuBar = []() {
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auto menuBar = new QMenuBar();
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auto file = new QMenu("File(&F)", menuBar);
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file->addAction(new QAction("New(&N)", menuBar));
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file->addAction(new QAction("Open(&O)", menuBar));
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auto edit = new QMenu("Edit(&E)", menuBar);
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edit->addAction(new QAction("Undo(&U)", menuBar));
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edit->addAction(new QAction("Redo(&R)", menuBar));
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menuBar->addMenu(file);
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menuBar->addMenu(edit);
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return menuBar;
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}();
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menuBar->setObjectName("win-menu-bar");
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auto titleLabel = new QLabel();
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titleLabel->setAlignment(Qt::AlignCenter);
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titleLabel->setObjectName("win-title-label");
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auto iconButton = new QWK::WindowButton();
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iconButton->setObjectName("icon-button");
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iconButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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auto minButton = new QWK::WindowButton();
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minButton->setObjectName("min-button");
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minButton->setProperty("system-button", true);
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minButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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auto maxButton = new QWK::WindowButton();
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maxButton->setCheckable(true);
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maxButton->setObjectName("max-button");
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maxButton->setProperty("system-button", true);
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maxButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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auto closeButton = new QWK::WindowButton();
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closeButton->setObjectName("close-button");
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closeButton->setProperty("system-button", true);
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closeButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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auto windowBar = new QWK::WindowBar();
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windowBar->setIconButton(iconButton);
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windowBar->setMinButton(minButton);
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windowBar->setMaxButton(maxButton);
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windowBar->setCloseButton(closeButton);
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windowBar->setMenuBar(menuBar);
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windowBar->setTitleLabel(titleLabel);
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windowBar->setHostWidget(this);
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agent->setTitleBar(windowBar);
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agent->setSystemButton(QWK::WindowAgentBase::WindowIcon, iconButton);
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agent->setSystemButton(QWK::WindowAgentBase::Minimize, minButton);
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agent->setSystemButton(QWK::WindowAgentBase::Maximize, maxButton);
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agent->setSystemButton(QWK::WindowAgentBase::Close, closeButton);
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agent->setHitTestVisible(menuBar, true);
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#ifdef Q_OS_WINDOWS
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// Emulate Window system menu button behaviors
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connect(iconButton, &QAbstractButton::clicked, agent, [this, iconButton, agent] {
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setProperty("double-click-close", false);
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// Pick a suitable time threshold
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QTimer::singleShot(75, this, [this, iconButton, agent]() {
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if (property("double-click-close").toBool())
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return;
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agent->showSystemMenu(iconButton->mapToGlobal({0, iconButton->height()}));
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});
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});
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connect(iconButton, &QWK::WindowButton::doubleClicked, this, [this]() {
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setProperty("double-click-close", true);
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close();
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});
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#endif
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connect(windowBar, &QWK::WindowBar::minimizeRequested, this, &QWidget::showMinimized);
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connect(windowBar, &QWK::WindowBar::maximizeRequested, this, [this, maxButton](bool max) {
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if (max) {
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showMaximized();
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} else {
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showNormal();
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}
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// It's a Qt issue that if a QAbstractButton::clicked triggers a window's maximization,
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// the button remains to be hovered until the mouse move. As a result, we need to
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// manully send leave events to the button.
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emulateLeaveEvent(maxButton);
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});
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connect(windowBar, &QWK::WindowBar::closeRequested, this, &QWidget::close);
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setMenuWidget(windowBar);
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}
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