bar: add idle inhibitor (#459)

* bar: add idle inhibitor

* bar: change idle inhibitor button color

* nix: link external scripts instead of install

* services/idleinhibitor: add IPC handler

* better styling

* move cpp scripts to assets/cpp

---------

Co-authored-by: Soramane <61896496+soramanew@users.noreply.github.com>

1 files changed, 52 insertions, 9 deletions

diff --git a/nix/default.nix b/nix/default.nix
index e93f74b..6d0f3c8 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -30,6 +30,9 @@
   quickshell,
   aubio,
   pipewire,
+  wayland,
+  wayland-protocols,
+  wayland-scanner,
   caelestia-cli,
   withCli ? false,
   extraRuntimeDeps ? [],
@@ -61,15 +64,15 @@
   fontconfig = makeFontsConf {
     fontDirectories = [material-symbols rubik nerd-fonts.caskaydia-cove];
   };
-in
-  stdenv.mkDerivation {
-    pname = "caelestia-shell";
-    version = "${rev}";
+
+  beatDetector = stdenv.mkDerivation {
+    pname = "beat-detector";
+    version = "1.0";
+
     src = ./..;
 
-    nativeBuildInputs = [gcc makeWrapper qt6.wrapQtAppsHook];
-    buildInputs = [quickshell aubio pipewire qt6.qtbase];
-    propagatedBuildInputs = runtimeDeps;
+    nativeBuildInputs = [gcc];
+    buildInputs = [aubio pipewire];
 
     buildPhase = ''
       mkdir -p bin
@@ -77,22 +80,62 @@ in
       	-I${pipewire.dev}/include/pipewire-0.3 \
       	-I${pipewire.dev}/include/spa-0.2 \
       	-I${aubio}/include/aubio \
-      	assets/beat_detector.cpp \
+      	assets/cpp/beat-detector.cpp \
       	-o bin/beat_detector \
       	-lpipewire-0.3 -laubio
     '';
 
     installPhase = ''
       install -Dm755 bin/beat_detector $out/bin/beat_detector
+    '';
+  };
+
+  idleInhibitor = stdenv.mkDerivation {
+    pname = "wayland-idle-inhibitor";
+    version = "1.0";
+
+    src = ./..;
+
+    nativeBuildInputs = [gcc wayland-scanner wayland-protocols];
+    buildInputs = [wayland];
+
+    buildPhase = ''
+      wayland-scanner client-header < ${wayland-protocols}/share/wayland-protocols/unstable/idle-inhibit/idle-inhibit-unstable-v1.xml > idle-inhibitor.h
+      wayland-scanner private-code < ${wayland-protocols}/share/wayland-protocols/unstable/idle-inhibit/idle-inhibit-unstable-v1.xml > idle-inhibitor.c
+      cp assets/cpp/idle-inhibitor.cpp .
 
+      gcc -o idle-inhibitor.o -c idle-inhibitor.c
+      g++ -o inhibit_idle idle-inhibitor.cpp idle-inhibitor.o -lwayland-client
+    '';
+
+    installPhase = ''
+      mkdir -p $out/bin
+      install -Dm755 inhibit_idle $out/bin/inhibit_idle
+    '';
+  };
+in
+  stdenv.mkDerivation {
+    pname = "caelestia-shell";
+    version = "${rev}";
+    src = ./..;
+
+    nativeBuildInputs = [gcc makeWrapper qt6.wrapQtAppsHook];
+    buildInputs = [quickshell beatDetector idleInhibitor qt6.qtbase];
+    propagatedBuildInputs = runtimeDeps;
+
+    installPhase = ''
       mkdir -p $out/share/caelestia-shell
       cp -r ./* $out/share/caelestia-shell
 
       makeWrapper ${quickshell}/bin/qs $out/bin/caelestia-shell \
       	--prefix PATH : "${lib.makeBinPath runtimeDeps}" \
       	--set FONTCONFIG_FILE "${fontconfig}" \
-      	--set CAELESTIA_BD_PATH $out/bin/beat_detector \
+      	--set CAELESTIA_BD_PATH ${beatDetector}/bin/beat_detector \
+      	--set CAELESTIA_II_PATH ${idleInhibitor}/bin/inhibit_idle \
       	--add-flags "-p $out/share/caelestia-shell"
+
+      	ln -sf ${beatDetector}/bin/beat_detector $out/bin
+      	ln -sf ${idleInhibitor}/bin/inhibit_idle $out/bin
     '';
 
     meta = {