workspace: detect hyprland lua config and change commands accordingly

detect if hyprland uses lua configuration. If so, the commands to switch
workspaces should be altered.

Signed-off-by: Jef Steelant <jef@steelant.be>

src/compositors/hyprland/hyprland_workspace_backend.cpp

@@ -107,9 +107,22 @@ bool HyprlandWorkspaceBackend::connectSocket() {
 
   refreshSnapshot();
   kLog.info("connected to hyprland IPC at {}", m_eventSocketPath);
+  updateConfigProvider();
   return true;
 }
 
+void HyprlandWorkspaceBackend::updateConfigProvider() {
+  m_configLua = false;
+  const auto json = requestJson("j/status");
+  if (!json || !json->is_object()) {
+    return;
+  }
+  std::string configProvider = json->value("configProvider", "");
+  if (configProvider.compare("lua") == 0) {
+    m_configLua = true;
+  }
+}
+
 void HyprlandWorkspaceBackend::setChangeCallback(ChangeCallback callback) { m_changeCallback = std::move(callback); }
 
 void HyprlandWorkspaceBackend::activate(const std::string& id) {
@@ -118,7 +131,11 @@ void HyprlandWorkspaceBackend::activate(const std::string& id) {
   }
 
   std::string response;
-  (void)sendRequest(std::format("dispatch workspace {}", id), response);
+  if (m_configLua) {
+    (void)sendRequest(std::format("dispatch hl.dsp.focus({{workspace = {}}})", id), response);
+  } else {
+    (void)sendRequest(std::format("dispatch workspace {}", id), response);
+  }
 }
 
 void HyprlandWorkspaceBackend::activateForOutput(wl_output* /*output*/, const std::string& id) { activate(id); }

src/compositors/hyprland/hyprland_workspace_backend.h

@@ -56,6 +56,7 @@ private:
   };
 
   bool ensureSocketPaths();
+  void updateConfigProvider();
   [[nodiscard]] bool sendRequest(const std::string& request, std::string& response) const;
   [[nodiscard]] std::optional<nlohmann::json> requestJson(const std::string& request) const;
   void refreshSnapshot();
@@ -85,6 +86,7 @@ private:
   int m_eventSocketFd = -1;
   std::string m_requestSocketPath;
   std::string m_eventSocketPath;
+  bool m_configLua;
   std::vector<char> m_readBuffer;
   std::vector<WorkspaceState> m_workspaces;
   std::unordered_map<std::uint64_t, ToplevelState> m_toplevels;