hyprland/ipc: add lua ipc support

changelog/next.md

@@ -31,6 +31,7 @@ set shell id.
 - Added per-corner radius support to Region.
 - Added ColorQuantizer region selection.
 - Added dialog window support to FloatingWindow.
+- Added lua config support to Hyprland module.
 
 ## Other Changes
 

src/wayland/hyprland/ipc/connection.cpp

@@ -74,10 +74,23 @@ HyprlandIpc::HyprlandIpc() {
 
 	// clang-format on
 
+	this->makeRequest("j/status", [&](bool success, QByteArray resp) {
+		if (success) {
+			this->bUsingLua = [&]() {
+				if (resp == "unknown request") return false;
+				auto json = QJsonDocument::fromJson(resp).object();
+				auto provider = json.value("configProvider");
+				return provider == "lua";
+			}();
+		} else {
+			qCWarning(logHyprlandIpc) << "Hyprland ipc status request failed.";
+		}
+
 		this->eventSocket.connectToServer(this->mEventSocketPath, QLocalSocket::ReadOnly);
 		this->refreshMonitors(true);
 		this->refreshWorkspaces(true);
 		this->refreshToplevels();
+	});
 }
 
 QString HyprlandIpc::requestSocketPath() const { return this->mRequestSocketPath; }

src/wayland/hyprland/ipc/connection.hpp

@@ -81,6 +81,8 @@ public:
 
 	[[nodiscard]] HyprlandMonitor* monitorFor(QuickshellScreenInfo* screen);
 
+	[[nodiscard]] QBindable<bool> bindableUsingLua() const { return &this->bUsingLua; }
+
 	[[nodiscard]] QBindable<HyprlandMonitor*> bindableFocusedMonitor() const {
 		return &this->bFocusedMonitor;
 	}
@@ -116,6 +118,7 @@ signals:
 	void connected();
 	void rawEvent(HyprlandIpcEvent* event);
 
+	void usingLuaChanged();
 	void focusedMonitorChanged();
 	void focusedWorkspaceChanged();
 	void activeToplevelChanged();
@@ -155,6 +158,8 @@ private:
 
 	HyprlandIpcEvent event {this};
 
+	Q_OBJECT_BINDABLE_PROPERTY(HyprlandIpc, bool, bUsingLua, &HyprlandIpc::usingLuaChanged);
+
 	Q_OBJECT_BINDABLE_PROPERTY(
 	    HyprlandIpc,
 	    HyprlandMonitor*,

src/wayland/hyprland/ipc/qml.cpp

@@ -51,6 +51,10 @@ void HyprlandIpcQml::refreshToplevels() { HyprlandIpc::instance()->refreshToplev
 QString HyprlandIpcQml::requestSocketPath() { return HyprlandIpc::instance()->requestSocketPath(); }
 QString HyprlandIpcQml::eventSocketPath() { return HyprlandIpc::instance()->eventSocketPath(); }
 
+QBindable<bool> HyprlandIpcQml::bindableUsingLua() {
+	return HyprlandIpc::instance()->bindableUsingLua();
+}
+
 QBindable<HyprlandMonitor*> HyprlandIpcQml::bindableFocusedMonitor() {
 	return HyprlandIpc::instance()->bindableFocusedMonitor();
 }

src/wayland/hyprland/ipc/qml.hpp

@@ -16,6 +16,10 @@ namespace qs::hyprland::ipc {
 class HyprlandIpcQml: public QObject {
 	Q_OBJECT;
 	// clang-format off
+	/// True if Hyprland is running in lua mode. Dispatcher syntax changes when using lua.
+	///
+	/// This property will be false until the Hyprland module is initialized.
+	Q_PROPERTY(bool usingLua READ default NOTIFY usingLuaChanged BINDABLE bindableUsingLua);
 	/// Path to the request socket (.socket.sock)
 	Q_PROPERTY(QString requestSocketPath READ requestSocketPath CONSTANT);
 	/// Path to the event socket (.socket2.sock)
@@ -70,6 +74,7 @@ public:
 
 	[[nodiscard]] static QString requestSocketPath();
 	[[nodiscard]] static QString eventSocketPath();
+	[[nodiscard]] static QBindable<bool> bindableUsingLua();
 	[[nodiscard]] static QBindable<HyprlandMonitor*> bindableFocusedMonitor();
 	[[nodiscard]] static QBindable<HyprlandWorkspace*> bindableFocusedWorkspace();
 	[[nodiscard]] static QBindable<HyprlandToplevel*> bindableActiveToplevel();
@@ -83,6 +88,7 @@ signals:
 	/// See [Hyprland Wiki: IPC](https://wiki.hyprland.org/IPC/) for a list of events.
 	void rawEvent(qs::hyprland::ipc::HyprlandIpcEvent* event);
 
+	void usingLuaChanged();
 	void focusedMonitorChanged();
 	void focusedWorkspaceChanged();
 	void activeToplevelChanged();

src/wayland/hyprland/ipc/workspace.cpp

@@ -151,7 +151,20 @@ void HyprlandWorkspace::clearUrgent() {
 }
 
 void HyprlandWorkspace::activate() {
+	if (this->ipc->bindableUsingLua().value()) {
+		QString name;
+		for (const auto c: this->bName.value()) {
+			switch (c.toLatin1()) {
+			case '"': name.append("\\\""); break;
+			case '\\': name.append("\\\\"); break;
+			default: name.append(c); break;
+			}
+		}
+
+		this->ipc->dispatch(QString("hl.dsp.focus({ workspace = \"%1\" })").arg(name));
+	} else {
 		this->ipc->dispatch(QString("workspace %1").arg(this->bName.value()));
+	}
 }
 
 } // namespace qs::hyprland::ipc