Merge branch 'Alexays:master' into master

include/modules/hyprland/backend.hpp

@@ -4,6 +4,7 @@
 #include <filesystem>
 #include <list>
 #include <mutex>
+#include <optional>
 #include <string>
 #include <thread>
 #include <utility>
@@ -35,9 +36,22 @@ class IPC {
   Json::Value getSocket1JsonReply(const std::string& rq);
   static std::filesystem::path getSocketFolder(const char* instanceSig);
 
+  /// Dispatch a Hyprland command. Automatically uses the correct protocol
+  /// (legacy text or Lua-based) depending on the running Hyprland version.
+  static std::string dispatch(const std::string& dispatcher, const std::string& arg);
+
+  /// Build a Lua-format dispatch command string.
+  static std::string buildLuaDispatch(const std::string& dispatcher, const std::string& arg);
+
  protected:
   static std::filesystem::path socketFolder_;
 
+  /// Detect whether the running Hyprland uses the Lua-based IPC protocol.
+  /// Returns true for Hyprland >= 0.54 (Lua config), false for older versions.
+  static bool isLuaProtocol();
+
+  static std::optional<bool> s_luaProtocolDetected_;  // cached detection result
+
  private:
   void socketListener();
   void parseIPC(const std::string&);

src/AAppIconLabel.cpp

@@ -33,9 +33,7 @@ std::string toLowerCase(const std::string& input) {
 
 std::optional<std::string> getFileBySuffix(const std::string& dir, const std::string& suffix,
                                            bool check_lower_case) {
-  if (!std::filesystem::exists(dir)) {
+  try {
-    return {};
-  }
     for (const auto& entry : std::filesystem::recursive_directory_iterator(dir)) {
       if (entry.is_regular_file()) {
         std::string filename = entry.path().filename().string();
@@ -49,6 +47,8 @@ std::optional<std::string> getFileBySuffix(const std::string& dir, const std::st
         }
       }
     }
+  } catch (const std::filesystem::filesystem_error&) {
+  }
 
   return {};
 }

src/modules/battery.cpp

@@ -117,24 +117,16 @@ void waybar::modules::Battery::refreshBatteries() {
       if (((bat_defined && dir_name == config_["bat"].asString()) || !bat_defined) &&
           (fs::exists(node.path() / "capacity") || fs::exists(node.path() / "charge_now")) &&
           fs::exists(node.path() / "uevent") &&
-          (fs::exists(node.path() / "status") || bat_compatibility) &&
+          (fs::exists(node.path() / "status") || bat_compatibility)) {
-          fs::exists(node.path() / "type")) {
         std::string type;
-        std::ifstream(node.path() / "type") >> type;
+        if (std::ifstream{node.path() / "type"} >> type && !type.compare("Battery")) {
-
-        if (!type.compare("Battery")) {
           // Ignore non-system power supplies unless explicitly requested
-          if (!bat_defined && fs::exists(node.path() / "scope")) {
+          if (!bat_defined) {
             std::string scope;
-            try {
             // for hotplug-in device, access it is always unstable because you may remove the
             // device anytime so just allow failure happen and do nothing
-              std::ifstream(node.path() / "scope") >> scope;
+            if (std::ifstream{node.path() / "scope"} >> scope &&
-            } catch (const std::ifstream::failure& e) {
+                g_ascii_strcasecmp(scope.data(), "device") == 0) {
-              scope.clear();
-              continue;
-            }
-            if (g_ascii_strcasecmp(scope.data(), "device") == 0) {
               continue;
             }
           }
@@ -282,11 +274,11 @@ waybar::modules::Battery::getInfos() {
       auto bat = item.first;
       std::string _status;
 
-      /* Check for adapter status if battery is not available */
+      {
-      if (!std::ifstream(bat / "status")) {
+        std::ifstream f{bat / "status"};
+        if (!std::getline(f, _status)) {
           std::getline(std::ifstream(adapter_ / "status"), _status);
-      } else {
+        }
-        std::getline(std::ifstream(bat / "status"), _status);
       }
 
       // Some battery will report current and charge in μA/μAh.
@@ -295,64 +287,64 @@ waybar::modules::Battery::getInfos() {
       uint32_t current_now = 0;
       int32_t _current_now_int = 0;
       bool current_now_exists = false;
-      if (fs::exists(bat / "current_now")) {
+      if (std::ifstream current_now_f{bat / "current_now"}) {
         current_now_exists = true;
-        std::ifstream(bat / "current_now") >> _current_now_int;
+        current_now_f >> _current_now_int;
-      } else if (fs::exists(bat / "current_avg")) {
+      } else if (std::ifstream current_avg_f{bat / "current_avg"}) {
         current_now_exists = true;
-        std::ifstream(bat / "current_avg") >> _current_now_int;
+        current_avg_f >> _current_now_int;
       }
       // Documentation ABI allows a negative value when discharging, positive
       // value when charging.
       current_now = std::abs(_current_now_int);
 
-      if (fs::exists(bat / "time_to_empty_now")) {
+      if (std::ifstream f{bat / "time_to_empty_now"}) {
         time_to_empty_now_exists = true;
-        std::ifstream(bat / "time_to_empty_now") >> time_to_empty_now;
+        f >> time_to_empty_now;
       }
 
-      if (fs::exists(bat / "time_to_full_now")) {
+      if (std::ifstream f{bat / "time_to_full_now"}) {
         time_to_full_now_exists = true;
-        std::ifstream(bat / "time_to_full_now") >> time_to_full_now;
+        f >> time_to_full_now;
       }
 
       uint32_t voltage_now = 0;
       bool voltage_now_exists = false;
-      if (fs::exists(bat / "voltage_now")) {
+      if (std::ifstream voltage_now_f{bat / "voltage_now"}) {
         voltage_now_exists = true;
-        std::ifstream(bat / "voltage_now") >> voltage_now;
+        voltage_now_f >> voltage_now;
-      } else if (fs::exists(bat / "voltage_avg")) {
+      } else if (std::ifstream voltage_avg_f{bat / "voltage_avg"}) {
         voltage_now_exists = true;
-        std::ifstream(bat / "voltage_avg") >> voltage_now;
+        voltage_avg_f >> voltage_now;
       }
 
       uint32_t charge_full = 0;
       bool charge_full_exists = false;
-      if (fs::exists(bat / "charge_full")) {
+      if (std::ifstream f{bat / "charge_full"}) {
         charge_full_exists = true;
-        std::ifstream(bat / "charge_full") >> charge_full;
+        f >> charge_full;
       }
 
       uint32_t charge_full_design = 0;
       bool charge_full_design_exists = false;
-      if (fs::exists(bat / "charge_full_design")) {
+      if (std::ifstream f{bat / "charge_full_design"}) {
         charge_full_design_exists = true;
-        std::ifstream(bat / "charge_full_design") >> charge_full_design;
+        f >> charge_full_design;
       }
 
       uint32_t charge_now = 0;
       bool charge_now_exists = false;
-      if (fs::exists(bat / "charge_now")) {
+      if (std::ifstream f{bat / "charge_now"}) {
         charge_now_exists = true;
-        std::ifstream(bat / "charge_now") >> charge_now;
+        f >> charge_now;
       }
 
       uint32_t power_now = 0;
       int32_t _power_now_int = 0;
       bool power_now_exists = false;
-      if (fs::exists(bat / "power_now")) {
+      if (std::ifstream f{bat / "power_now"}) {
         power_now_exists = true;
-        std::ifstream(bat / "power_now") >> _power_now_int;
+        f >> _power_now_int;
       }
       // Some drivers (example: Qualcomm) exposes use a negative value when
       // discharging, positive value when charging.
@@ -360,28 +352,28 @@ waybar::modules::Battery::getInfos() {
 
       uint32_t energy_now = 0;
       bool energy_now_exists = false;
-      if (fs::exists(bat / "energy_now")) {
+      if (std::ifstream f{bat / "energy_now"}) {
         energy_now_exists = true;
-        std::ifstream(bat / "energy_now") >> energy_now;
+        f >> energy_now;
       }
 
       uint32_t energy_full = 0;
       bool energy_full_exists = false;
-      if (fs::exists(bat / "energy_full")) {
+      if (std::ifstream f{bat / "energy_full"}) {
         energy_full_exists = true;
-        std::ifstream(bat / "energy_full") >> energy_full;
+        f >> energy_full;
       }
 
       uint32_t energy_full_design = 0;
       bool energy_full_design_exists = false;
-      if (fs::exists(bat / "energy_full_design")) {
+      if (std::ifstream f{bat / "energy_full_design"}) {
         energy_full_design_exists = true;
-        std::ifstream(bat / "energy_full_design") >> energy_full_design;
+        f >> energy_full_design;
       }
 
       uint16_t cycleCount = 0;
-      if (fs::exists(bat / "cycle_count")) {
+      if (std::ifstream f{bat / "cycle_count"}) {
-        std::ifstream(bat / "cycle_count") >> cycleCount;
+        f >> cycleCount;
       }
       if (charge_full_design >= largestDesignCapacity) {
         largestDesignCapacity = charge_full_design;
@@ -411,9 +403,9 @@ waybar::modules::Battery::getInfos() {
       } else if (energy_now_exists && energy_full_exists && energy_full != 0) {
         capacity_exists = true;
         capacity = 100 * (uint64_t)energy_now / (uint64_t)energy_full;
-      } else if (fs::exists(bat / "capacity")) {
+      } else if (std::ifstream f{bat / "capacity"}) {
         capacity_exists = true;
-        std::ifstream(bat / "capacity") >> capacity;
+        f >> capacity;
       }
 
       if (!voltage_now_exists) {

src/modules/cpu_frequency/linux.cpp

@@ -23,23 +23,21 @@ std::vector<float> waybar::modules::CpuFrequency::parseCpuFrequencies() {
 
   if (frequencies.size() <= 0) {
     std::string cpufreq_dir = "/sys/devices/system/cpu/cpufreq";
-    if (std::filesystem::exists(cpufreq_dir)) {
+    try {
       std::vector<std::string> frequency_files = {"/cpuinfo_min_freq", "/cpuinfo_max_freq"};
       for (auto& p : std::filesystem::directory_iterator(cpufreq_dir)) {
         for (const auto& freq_file : frequency_files) {
           std::string freq_file_path = p.path().string() + freq_file;
-          if (std::filesystem::exists(freq_file_path)) {
           std::string freq_value;
           std::ifstream freq(freq_file_path);
           if (freq.is_open()) {
             getline(freq, freq_value);
             float frequency = std::strtol(freq_value.c_str(), nullptr, 10);
             frequencies.push_back(frequency / 1000);
-              freq.close();
-            }
           }
         }
       }
+    } catch (const std::filesystem::filesystem_error&) {
     }
   }
 

src/modules/hyprland/backend.cpp

@@ -13,6 +13,7 @@
 #include <cerrno>
 #include <cstring>
 #include <filesystem>
+#include <optional>
 #include <string>
 
 #include "util/scoped_fd.hpp"
@@ -20,6 +21,7 @@
 namespace waybar::modules::hyprland {
 
 std::filesystem::path IPC::socketFolder_;
+std::optional<bool> IPC::s_luaProtocolDetected_;
 
 std::filesystem::path IPC::getSocketFolder(const char* instanceSig) {
   static std::mutex folderMutex;
@@ -290,4 +292,69 @@ Json::Value IPC::getSocket1JsonReply(const std::string& rq) {
   return parser_.parse(reply);
 }
 
+bool IPC::isLuaProtocol() {
+  if (s_luaProtocolDetected_.has_value()) {
+    return *s_luaProtocolDetected_;
+  }
+
+  // Probe: send a harmless old-style dispatch and check the error.
+  // In Lua-based Hyprland (>= 0.54) the error contains "hl.dispatch".
+  // In older versions it returns "ok" or a different error.
+  auto reply = getSocket1Reply("dispatch workspace __waybar_probe__");
+  bool luaProto = reply.find("hl.dispatch") != std::string::npos;
+
+  if (luaProto) {
+    spdlog::info("Hyprland IPC: detected Lua-based dispatch protocol (Hyprland >= 0.54)");
+  } else {
+    spdlog::info("Hyprland IPC: detected legacy dispatch protocol");
+  }
+
+  s_luaProtocolDetected_ = luaProto;
+  return luaProto;
+}
+
+std::string IPC::buildLuaDispatch(const std::string& dispatcher, const std::string& arg) {
+  // Map old-style dispatchers to the new Lua hl.dsp API.
+  //
+  // Old format:  dispatch workspace 1
+  // New format:  /dispatch hl.dsp.focus({ workspace = "1" })
+  //
+  // Old format:  dispatch focusworkspaceoncurrentmonitor 2
+  // New format:  /dispatch hl.dsp.focus({ workspace = "2", monitor = "current" })
+  //
+  // Old format:  dispatch togglespecialworkspace name
+  // New format:  /dispatch hl.dsp.workspace.toggle_special("name")
+
+  if (dispatcher == "workspace") {
+    return "/dispatch hl.dsp.focus({ workspace = \"" + arg + "\" })";
+  }
+  if (dispatcher == "focusworkspaceoncurrentmonitor") {
+    return "/dispatch hl.dsp.focus({ workspace = \"" + arg + "\", monitor = \"current\" })";
+  }
+  if (dispatcher == "togglespecialworkspace") {
+    if (arg.empty()) {
+      return "/dispatch hl.dsp.workspace.toggle_special()";
+    }
+    return "/dispatch hl.dsp.workspace.toggle_special(\"" + arg + "\")";
+  }
+
+  // Fallback for any other dispatcher: try the old format wrapped in dispatch().
+  // This may not work for all dispatchers, but it's a reasonable default.
+  spdlog::warn("Hyprland IPC: unknown dispatcher '{}' in Lua mode, attempting generic format",
+               dispatcher);
+  return "/dispatch hl.dsp." + dispatcher + "(\"" + arg + "\")";
+}
+
+std::string IPC::dispatch(const std::string& dispatcher, const std::string& arg) {
+  if (isLuaProtocol()) {
+    return getSocket1Reply(buildLuaDispatch(dispatcher, arg));
+  }
+  // Legacy format: "dispatch <dispatcher> <arg>"
+  std::string cmd = "dispatch " + dispatcher;
+  if (!arg.empty()) {
+    cmd += " " + arg;
+  }
+  return getSocket1Reply(cmd);
+}
+
 }  // namespace waybar::modules::hyprland

src/modules/hyprland/workspace.cpp

@@ -71,20 +71,20 @@ bool Workspace::handleClicked(GdkEventButton* bt) const {
     try {
       if (id() > 0) {  // normal
         if (m_workspaceManager.moveToMonitor()) {
-          m_ipc.getSocket1Reply("dispatch focusworkspaceoncurrentmonitor " + std::to_string(id()));
+          IPC::dispatch("focusworkspaceoncurrentmonitor", std::to_string(id()));
         } else {
-          m_ipc.getSocket1Reply("dispatch workspace " + std::to_string(id()));
+          IPC::dispatch("workspace", std::to_string(id()));
         }
       } else if (!isSpecial()) {  // named (this includes persistent)
         if (m_workspaceManager.moveToMonitor()) {
-          m_ipc.getSocket1Reply("dispatch focusworkspaceoncurrentmonitor name:" + name());
+          IPC::dispatch("focusworkspaceoncurrentmonitor", "name:" + name());
         } else {
-          m_ipc.getSocket1Reply("dispatch workspace name:" + name());
+          IPC::dispatch("workspace", "name:" + name());
         }
       } else if (id() != -99) {  // named special
-        m_ipc.getSocket1Reply("dispatch togglespecialworkspace " + name());
+        IPC::dispatch("togglespecialworkspace", name());
       } else {  // special
-        m_ipc.getSocket1Reply("dispatch togglespecialworkspace");
+        IPC::dispatch("togglespecialworkspace", "");
       }
       return true;
     } catch (const std::exception& e) {

src/modules/hyprland/workspaces.cpp

@@ -1195,15 +1195,15 @@ bool Workspaces::handleScroll(GdkEventScroll* e) {
 
   if (dir == SCROLL_DIR::DOWN || dir == SCROLL_DIR::RIGHT) {
     if (allOutputs()) {
-      m_ipc.getSocket1Reply("dispatch workspace e+1");
+      IPC::dispatch("workspace", "e+1");
     } else {
-      m_ipc.getSocket1Reply("dispatch workspace m+1");
+      IPC::dispatch("workspace", "m+1");
     }
   } else if (dir == SCROLL_DIR::UP || dir == SCROLL_DIR::LEFT) {
     if (allOutputs()) {
-      m_ipc.getSocket1Reply("dispatch workspace e-1");
+      IPC::dispatch("workspace", "e-1");
     } else {
-      m_ipc.getSocket1Reply("dispatch workspace m-1");
+      IPC::dispatch("workspace", "m-1");
     }
   }
 

src/modules/sni/host.cpp

@@ -178,9 +178,11 @@ void Host::addRegisteredItem(const std::string& service) {
     return bus_name == item->bus_name && object_path == item->object_path;
   });
   if (it == items_.end()) {
-    items_.emplace_back(new Item(
+    items_.emplace_back(std::make_unique<Item>(
-        bus_name, object_path, config_, bar_, [this](Item& item) { itemReady(item); },
+      bus_name, object_path, config_, bar_,
-        [this](Item& item) { itemInvalidated(item); }, on_update_));
+      [this](Item& item) { itemReady(item); },
+      [this](Item& item) { itemInvalidated(item); },
+      on_update_));
   }
 }
 

test/hyprland/backend.cpp

@@ -15,6 +15,10 @@ namespace {
 class IPCTestHelper : public hyprland::IPC {
  public:
   static void resetSocketFolder() { socketFolder_.clear(); }
+  static void resetLuaProtocolDetection() { s_luaProtocolDetected_.reset(); }
+  static void setLuaProtocolDetected(bool value) { s_luaProtocolDetected_ = value; }
+  using hyprland::IPC::buildLuaDispatch;
+  using hyprland::IPC::isLuaProtocol;
 };
 
 std::size_t countOpenFds() {
@@ -133,3 +137,78 @@ TEST_CASE("getSocket1Reply failure paths do not leak fds", "[getSocket1Reply][fd
   REQUIRE(after_connect_failures == baseline);
 }
 #endif
+
+// --- Tests for new Lua IPC dispatch functions ---
+
+TEST_CASE("buildLuaDispatch workspace", "[buildLuaDispatch]") {
+  SECTION("numeric workspace") {
+    auto result = IPCTestHelper::buildLuaDispatch("workspace", "1");
+    REQUIRE(result == "/dispatch hl.dsp.focus({ workspace = \"1\" })");
+  }
+  SECTION("named workspace") {
+    auto result = IPCTestHelper::buildLuaDispatch("workspace", "name:term");
+    REQUIRE(result == "/dispatch hl.dsp.focus({ workspace = \"name:term\" })");
+  }
+  SECTION("relative workspace") {
+    auto result = IPCTestHelper::buildLuaDispatch("workspace", "e+1");
+    REQUIRE(result == "/dispatch hl.dsp.focus({ workspace = \"e+1\" })");
+  }
+}
+
+TEST_CASE("buildLuaDispatch focusworkspaceoncurrentmonitor", "[buildLuaDispatch]") {
+  auto result =
+      IPCTestHelper::buildLuaDispatch("focusworkspaceoncurrentmonitor", "3");
+  REQUIRE(
+      result ==
+      "/dispatch hl.dsp.focus({ workspace = \"3\", monitor = \"current\" })");
+}
+
+TEST_CASE("buildLuaDispatch togglespecialworkspace", "[buildLuaDispatch]") {
+  SECTION("with name") {
+    auto result =
+        IPCTestHelper::buildLuaDispatch("togglespecialworkspace", "scratchpad");
+    REQUIRE(result ==
+            "/dispatch hl.dsp.workspace.toggle_special(\"scratchpad\")");
+  }
+  SECTION("empty arg") {
+    auto result =
+        IPCTestHelper::buildLuaDispatch("togglespecialworkspace", "");
+    REQUIRE(result == "/dispatch hl.dsp.workspace.toggle_special()");
+  }
+}
+
+TEST_CASE("buildLuaDispatch unknown dispatcher fallback", "[buildLuaDispatch]") {
+  auto result =
+      IPCTestHelper::buildLuaDispatch("unknown_dispatcher", "some_arg");
+  REQUIRE(result ==
+          "/dispatch hl.dsp.unknown_dispatcher(\"some_arg\")");
+}
+
+TEST_CASE("dispatch throws when Hyprland is not running", "[dispatch]") {
+  unsetenv("HYPRLAND_INSTANCE_SIGNATURE");
+  IPCTestHelper::resetSocketFolder();
+  IPCTestHelper::resetLuaProtocolDetection();
+
+  CHECK_THROWS(hyprland::IPC::dispatch("workspace", "1"));
+}
+
+TEST_CASE("isLuaProtocol uses cached value and avoids socket call",
+          "[isLuaProtocol]") {
+  unsetenv("HYPRLAND_INSTANCE_SIGNATURE");
+  IPCTestHelper::resetSocketFolder();
+
+  SECTION("cached false") {
+    IPCTestHelper::setLuaProtocolDetected(false);
+    // Should return false without throwing (no socket call needed)
+    REQUIRE(IPCTestHelper::isLuaProtocol() == false);
+  }
+
+  SECTION("cached true") {
+    IPCTestHelper::setLuaProtocolDetected(true);
+    // Should return true without throwing (no socket call needed)
+    REQUIRE(IPCTestHelper::isLuaProtocol() == true);
+  }
+
+  // Cleanup: reset detection so other tests aren't affected
+  IPCTestHelper::resetLuaProtocolDetection();
+}