147 lines
3.6 KiB
C++
147 lines
3.6 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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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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#include "base/platform/linux/base_linux_wayland_utilities.h"
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#include "base/platform/base_platform_info.h"
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#include "base/qt_signal_producer.h"
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#include "qwayland-wayland.h"
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#include "qwayland-xdg-shell.h"
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#include <QtGui/QGuiApplication>
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#include <QtGui/QWindow>
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#include <qpa/qplatformnativeinterface.h>
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#include <qpa/qplatformwindow_p.h>
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using namespace QNativeInterface;
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using namespace QNativeInterface::Private;
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using namespace base::Platform::Wayland;
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namespace Ui {
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namespace Platform {
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struct WaylandIntegration::Private : public AutoDestroyer<QtWayland::wl_registry> {
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std::optional<uint32_t> xdgDecoration;
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rpl::lifetime lifetime;
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protected:
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void registry_global(
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uint32_t name,
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const QString &interface,
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uint32_t version) override {
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if (interface == qstr("zxdg_decoration_manager_v1")) {
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xdgDecoration = name;
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}
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}
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void registry_global_remove(uint32_t name) override {
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if (xdgDecoration && name == *xdgDecoration) {
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xdgDecoration = std::nullopt;
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}
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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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const auto native = qApp->nativeInterface<QWaylandApplication>();
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if (!native) {
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return;
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}
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const auto display = native->display();
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if (!display) {
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return;
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}
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_private->init(wl_display_get_registry(display));
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wl_display_roundtrip(display);
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}
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WaylandIntegration::~WaylandIntegration() = default;
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WaylandIntegration *WaylandIntegration::Instance() {
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if (!::Platform::IsWayland()) return nullptr;
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static std::optional<WaylandIntegration> instance(std::in_place);
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[[maybe_unused]] static const auto Inited = [] {
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base::qt_signal_producer(
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QGuiApplication::platformNativeInterface(),
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&QObject::destroyed
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) | rpl::start_with_next([] {
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instance = std::nullopt;
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}, instance->_private->lifetime);
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return true;
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}();
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if (!instance) return nullptr;
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return &*instance;
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}
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bool WaylandIntegration::xdgDecorationSupported() {
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return _private->xdgDecoration.has_value();
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}
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bool WaylandIntegration::windowExtentsSupported() {
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QWindow window;
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window.create();
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return window.nativeInterface<QWaylandWindow>();
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}
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void WaylandIntegration::setWindowExtents(
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not_null<QWidget*> widget,
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const QMargins &extents) {
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const auto window = widget->windowHandle();
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Expects(window != nullptr);
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const auto native = window->nativeInterface<QWaylandWindow>();
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if (!native) {
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return;
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}
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native->setCustomMargins(extents);
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}
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void WaylandIntegration::unsetWindowExtents(not_null<QWidget*> widget) {
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const auto window = widget->windowHandle();
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Expects(window != nullptr);
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const auto native = window->nativeInterface<QWaylandWindow>();
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if (!native) {
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return;
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}
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native->setCustomMargins(QMargins());
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}
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void WaylandIntegration::showWindowMenu(
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not_null<QWidget*> widget,
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const QPoint &point) {
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const auto window = widget->windowHandle();
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Expects(window != nullptr);
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const auto native = qApp->nativeInterface<QWaylandApplication>();
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const auto nativeWindow = window->nativeInterface<QWaylandWindow>();
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if (!native || !nativeWindow) {
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return;
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}
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const auto toplevel = nativeWindow->surfaceRole<xdg_toplevel>();
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const auto seat = native->lastInputSeat();
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if (!toplevel || !seat) {
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return;
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}
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xdg_toplevel_show_window_menu(
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toplevel,
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seat,
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native->lastInputSerial(),
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point.x(),
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point.y());
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}
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} // namespace Platform
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} // namespace Ui
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