waybar: add hyprlandSupport feature flag

pkgs/applications/misc/waybar/default.nix

@@ -18,6 +18,7 @@
 , libxkbcommon
 , cavaSupport     ? true,  alsa-lib, fftw, iniparser, ncurses, pipewire, portaudio, SDL2
 , evdevSupport    ? true,  libevdev
+, hyprlandSupport ? false, hyprland
 , inputSupport    ? true,  libinput
 , jackSupport     ? true,  libjack2
 , mpdSupport      ? true,  libmpdclient
@@ -65,6 +66,10 @@ stdenv.mkDerivation rec {
     )
   '';
 
+  # Patch for workspaces support in wlr/workspaces
+  # See https://wiki.hyprland.org/Useful-Utilities/Status-Bars/#waybar
+  patches = lib.optional hyprlandSupport [ ./hyprland.diff ];
+
   nativeBuildInputs = [
     meson ninja pkg-config scdoc wrapGAppsHook
   ] ++ lib.optional withMediaPlayer gobject-introspection;
@@ -88,6 +93,7 @@ stdenv.mkDerivation rec {
     ++ optional  cavaSupport   portaudio
     ++ optional  cavaSupport   SDL2
     ++ optional  evdevSupport  libevdev
+    ++ optional  hyprlandSupport hyprland
     ++ optional  inputSupport  libinput
     ++ optional  jackSupport   libjack2
     ++ optional  mpdSupport    libmpdclient
@@ -126,7 +132,7 @@ stdenv.mkDerivation rec {
     "-Dsystemd=disabled"
     "-Dgtk-layer-shell=enabled"
     "-Dman-pages=enabled"
-  ];
+  ] ++ lib.optional hyprlandSupport "-Dexperimental=true";
 
   preFixup = lib.optionalString withMediaPlayer ''
       cp $src/resources/custom_modules/mediaplayer.py $out/bin/waybar-mediaplayer.py
@@ -139,7 +145,7 @@ stdenv.mkDerivation rec {
     changelog = "https://github.com/alexays/waybar/releases/tag/${version}";
     description = "Highly customizable Wayland bar for Sway and Wlroots based compositors";
     license = licenses.mit;
-    maintainers = with maintainers; [ FlorianFranzen minijackson synthetica lovesegfault rodrgz ];
+    maintainers = with maintainers; [ FlorianFranzen minijackson synthetica lovesegfault rodrgz jtbx ];
     platforms = platforms.unix;
     homepage = "https://github.com/alexays/waybar";
     mainProgram = "waybar";

pkgs/applications/misc/waybar/hyprland.diff

@@ -0,0 +1,12 @@
+--- a/src/modules/wlr/workspace_manager.cpp
++++ b/src/modules/wlr/workspace_manager.cpp
+@@ -523,7 +523,8 @@
+   if (action.empty())
+     return true;
+   else if (action == "activate") {
+-    zext_workspace_handle_v1_activate(workspace_handle_);
++    const std::string command = "hyprctl dispatch workspace " + name_;
++    system(command.c_str());
+   } else if (action == "close") {
+     zext_workspace_handle_v1_remove(workspace_handle_);
+   } else {

pkgs/top-level/all-packages.nix

@@ -32354,6 +32354,10 @@ with pkgs;
 
   waybar = callPackage ../applications/misc/waybar { };
 
+  waybar-hyprland = callPackage ../applications/misc/waybar {
+    hyprlandSupport = true;
+  };
+
   waycorner = callPackage ../applications/misc/waycorner { };
 
   waylock = callPackage ../applications/misc/waylock {