hyprland/ipc: implement toplevel address association

src/wayland/hyprland/ipc/toplevel_mapping.cpp

@@ -0,0 +1,83 @@
+#include "toplevel_mapping.hpp"
+
+#include <qlogging.h>
+#include <qobject.h>
+#include <qtmetamacros.h>
+#include <qtypes.h>
+#include <qwaylandclientextension.h>
+
+#include "../../toplevel_management/manager.hpp"
+
+using namespace qs::wayland::toplevel_management::impl;
+
+namespace qs::hyprland::ipc {
+
+HyprlandToplevelMappingHandle::~HyprlandToplevelMappingHandle() {
+	if (this->isInitialized()) this->destroy();
+}
+
+void HyprlandToplevelMappingHandle::hyprland_toplevel_window_mapping_handle_v1_window_address(
+    quint32 addressHi,
+    quint32 addressLo
+) {
+	auto address = static_cast<quint64>(addressHi) << 32 | addressLo;
+	HyprlandToplevelMappingManager::instance()->assignAddress(this->handle, address);
+	delete this;
+}
+
+void HyprlandToplevelMappingHandle::hyprland_toplevel_window_mapping_handle_v1_failed() {
+	delete this;
+}
+
+HyprlandToplevelMappingManager::HyprlandToplevelMappingManager()
+    : QWaylandClientExtensionTemplate(1) {
+	this->initialize();
+
+	if (!this->isInitialized()) {
+		qWarning() << "Compositor does not support hyprland-toplevel-mapping-v1."
+		              "It will not be possible to derive hyprland addresses from toplevels.";
+		return;
+	}
+
+	QObject::connect(
+	    ToplevelManager::instance(),
+	    &ToplevelManager::toplevelReady,
+	    this,
+	    &HyprlandToplevelMappingManager::onToplevelReady
+	);
+
+	for (auto* toplevel: ToplevelManager::instance()->readyToplevels()) {
+		this->onToplevelReady(toplevel);
+	}
+}
+
+void HyprlandToplevelMappingManager::onToplevelReady(ToplevelHandle* handle) {
+	QObject::connect(
+	    handle,
+	    &QObject::destroyed,
+	    this,
+	    &HyprlandToplevelMappingManager::onToplevelDestroyed
+	);
+
+	new HyprlandToplevelMappingHandle(handle, this->get_window_for_toplevel_wlr(handle->object()));
+}
+
+void HyprlandToplevelMappingManager::assignAddress(ToplevelHandle* handle, quint64 address) {
+	this->addresses.insert(handle, address);
+	emit this->toplevelAddressed(handle, address);
+}
+
+void HyprlandToplevelMappingManager::onToplevelDestroyed(QObject* object) {
+	this->addresses.remove(static_cast<ToplevelHandle*>(object)); // NOLINT
+}
+
+quint64 HyprlandToplevelMappingManager::getToplevelAddress(ToplevelHandle* handle) const {
+	return this->addresses.value(handle);
+}
+
+HyprlandToplevelMappingManager* HyprlandToplevelMappingManager::instance() {
+	static auto* instance = new HyprlandToplevelMappingManager();
+	return instance;
+}
+
+} // namespace qs::hyprland::ipc