129 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
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| the official desktop application for the Telegram messaging service.
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| 
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| For license and copyright information please follow this link:
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| https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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| */
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| #include "ui/platform/linux/ui_linux_wayland_integration.h"
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| 
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| #include "base/platform/base_platform_info.h"
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| #include "waylandshells/xdg_shell.h"
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| 
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| #include <QtGui/QWindow>
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| 
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| // private headers are using keywords :(
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| #ifdef QT_NO_KEYWORDS
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| #define signals Q_SIGNALS
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| #define slots Q_SLOTS
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| #endif // QT_NO_KEYWORDS
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| 
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| #include <private/qguiapplication_p.h>
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| #include <private/qwaylandintegration_p.h>
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| #include <private/qwaylanddisplay_p.h>
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| #include <private/qwaylandwindow_p.h>
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| #include <private/qwaylandshellsurface_p.h>
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| 
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| #include <connection_thread.h>
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| #include <registry.h>
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| 
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| Q_DECLARE_METATYPE(QMargins);
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| 
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| using QtWaylandClient::QWaylandIntegration;
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| using QtWaylandClient::QWaylandWindow;
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| using namespace KWayland::Client;
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| 
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| namespace Ui {
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| namespace Platform {
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| 
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| struct WaylandIntegration::Private {
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| 	std::unique_ptr<ConnectionThread> connection;
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| 	Registry registry;
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| 	QEventLoop interfacesLoop;
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| 	bool interfacesAnnounced = false;
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| };
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| 
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| WaylandIntegration::WaylandIntegration()
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| : _private(std::make_unique<Private>()) {
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| 	_private->connection = std::unique_ptr<ConnectionThread>{
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| 		ConnectionThread::fromApplication(),
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| 	};
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| 
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| 	_private->registry.create(_private->connection.get());
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| 	_private->registry.setup();
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| 
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| 	QObject::connect(
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| 		_private->connection.get(),
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| 		&ConnectionThread::connectionDied,
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| 		&_private->registry,
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| 		&Registry::destroy);
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| 
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| 	QObject::connect(
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| 		&_private->registry,
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| 		&Registry::interfacesAnnounced,
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| 		[=] {
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| 			_private->interfacesAnnounced = true;
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| 			if (_private->interfacesLoop.isRunning()) {
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| 				_private->interfacesLoop.quit();
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| 			}
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| 		});
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| }
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| 
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| WaylandIntegration::~WaylandIntegration() = default;
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| 
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| WaylandIntegration *WaylandIntegration::Instance() {
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| 	if (!::Platform::IsWayland()) return nullptr;
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| 	static WaylandIntegration instance;
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| 	return &instance;
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| }
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| 
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| void WaylandIntegration::waitForInterfaceAnnounce() {
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| 	Expects(!_private->interfacesLoop.isRunning());
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| 	if (!_private->interfacesAnnounced) {
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| 		_private->interfacesLoop.exec();
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| 	}
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| }
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| 
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| bool WaylandIntegration::xdgDecorationSupported() {
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| 	return _private->registry.hasInterface(
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| 		Registry::Interface::XdgDecorationUnstableV1);
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| }
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| 
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| bool WaylandIntegration::windowExtentsSupported() {
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| 	// initialize shell integration before querying
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| 	if (const auto integration = static_cast<QWaylandIntegration*>(
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| 		QGuiApplicationPrivate::platformIntegration())) {
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| 		integration->shellIntegration();
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| 	}
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| 	return WaylandShells::XdgShell();
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| }
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| 
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| void WaylandIntegration::setWindowExtents(
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| 		QWindow *window,
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| 		const QMargins &extents) {
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| 	window->setProperty(
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| 		"_desktopApp_waylandCustomMargins",
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| 		QVariant::fromValue<QMargins>(extents));
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| }
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| 
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| void WaylandIntegration::unsetWindowExtents(QWindow *window) {
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| 	window->setProperty(
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| 		"_desktopApp_waylandCustomMargins",
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| 		QVariant());
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| }
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| 
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| bool WaylandIntegration::showWindowMenu(QWindow *window) {
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| 	if (const auto waylandWindow = static_cast<QWaylandWindow*>(
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| 		window->handle())) {
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| 		if (const auto seat = waylandWindow->display()->lastInputDevice()) {
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| 			if (const auto shellSurface = waylandWindow->shellSurface()) {
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| 				return shellSurface->showWindowMenu(seat);
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| 			}
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| 		}
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| 	}
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| 
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| 	return false;
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| }
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| 
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| } // namespace Platform
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| } // namespace Ui
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