desktop: added some of basic system information in the system section

- added date, time, memory used (percent), cpu usage (percent), network
  status (icons for up or down)

1 files changed, 94 insertions, 61 deletions

diff --git a/modules/desktop/eww/yuck.nix b/modules/desktop/eww/yuck.nix
index d522d9b..03de4bf 100644
--- a/modules/desktop/eww/yuck.nix
+++ b/modules/desktop/eww/yuck.nix
@@ -8,71 +8,91 @@
   config = lib.mkIf config.desktop.enable {
     programs.eww.yuckConfig =
       let
-        workspaces =
-          let
-            pythonEnv = pkgs.python3.withPackages (ps: [ ps.pygobject3 ]);
-          in
-          pkgs.stdenv.mkDerivation {
-            pname = "eww-workspaces";
-            version = "0.1.0";
-            src = ./workspaces.py;
-            dontUnpack = true;
-            meta.mainProgram = "eww-workspaces";
-
-            nativeBuildInputs = [
-              pkgs.wrapGAppsHook3
-              pkgs.gobject-introspection
-            ];
-            buildInputs = [ pkgs.gtk3 ];
-
-            installPhase = ''
-              mkdir -p $out/bin
-              install -m755 $src $out/bin/eww-workspaces
-              patchShebangs $out/bin/eww-workspaces
-            '';
-
-            # wrapGAppsHook3 wraps every executable in $out/bin automatically,
-            # setting GI_TYPELIB_PATH etc. from buildInputs' closure.
-            preFixup = ''
-              gappsWrapperArgs+=(--prefix PATH : "${pythonEnv}/bin")
-            '';
-          };
-
-        activate-windows =
-          let
-            pythonEnv = pkgs.python3.withPackages (ps: [ ps.pygobject3 ]);
-          in
-          pkgs.stdenv.mkDerivation {
-            pname = "eww-activate-windows";
-            version = "0.1.0";
-            src = ./activate-windows.py;
-            dontUnpack = true;
-            meta.mainProgram = "eww-activate-windows";
-
-            nativeBuildInputs = [
-              pkgs.wrapGAppsHook3
-              pkgs.gobject-introspection
-            ];
-            buildInputs = [ pkgs.gtk3 ];
-
-            installPhase = ''
-              mkdir -p $out/bin
-              install -m755 $src $out/bin/eww-activate-windows
-              patchShebangs $out/bin/eww-activate-windows
-            '';
-
-            # wrapGAppsHook3 wraps every executable in $out/bin automatically,
-            # setting GI_TYPELIB_PATH etc. from buildInputs' closure.
-            preFixup = ''
-              gappsWrapperArgs+=(--prefix PATH : "${pythonEnv}/bin")
-            '';
-          };
+        pythonEnv = pkgs.python3.withPackages (ps: [ ps.pygobject3 ]);
+        system-stats = pkgs.stdenv.mkDerivation {
+          pname = "eww-system-stats";
+          version = "0.1.0";
+          src = ./system-stats.py;
+          dontUnpack = true;
+          meta.mainProgram = "eww-system-stats";
+
+          nativeBuildInputs = [
+            pkgs.wrapGAppsHook3
+            pkgs.gobject-introspection
+          ];
+          buildInputs = [ pkgs.gtk3 ];
+
+          installPhase = ''
+            mkdir -p $out/bin
+            install -m755 $src $out/bin/eww-system-stats
+            patchShebangs $out/bin/eww-system-stats
+          '';
+
+          # wrapGAppsHook3 wraps every executable in $out/bin automatically,
+          # setting GI_TYPELIB_PATH etc. from buildInputs' closure.
+          preFixup = ''
+            gappsWrapperArgs+=(--prefix PATH : "${pythonEnv}/bin")
+          '';
+        };
+
+        workspaces = pkgs.stdenv.mkDerivation {
+          pname = "eww-workspaces";
+          version = "0.1.0";
+          src = ./workspaces.py;
+          dontUnpack = true;
+          meta.mainProgram = "eww-workspaces";
+
+          nativeBuildInputs = [
+            pkgs.wrapGAppsHook3
+            pkgs.gobject-introspection
+          ];
+          buildInputs = [ pkgs.gtk3 ];
+
+          installPhase = ''
+            mkdir -p $out/bin
+            install -m755 $src $out/bin/eww-workspaces
+            patchShebangs $out/bin/eww-workspaces
+          '';
+
+          # wrapGAppsHook3 wraps every executable in $out/bin automatically,
+          # setting GI_TYPELIB_PATH etc. from buildInputs' closure.
+          preFixup = ''
+            gappsWrapperArgs+=(--prefix PATH : "${pythonEnv}/bin")
+          '';
+        };
+
+        activate-windows = pkgs.stdenv.mkDerivation {
+          pname = "eww-activate-windows";
+          version = "0.1.0";
+          src = ./activate-windows.py;
+          dontUnpack = true;
+          meta.mainProgram = "eww-activate-windows";
+
+          nativeBuildInputs = [
+            pkgs.wrapGAppsHook3
+            pkgs.gobject-introspection
+          ];
+          buildInputs = [ pkgs.gtk3 ];
+
+          installPhase = ''
+            mkdir -p $out/bin
+            install -m755 $src $out/bin/eww-activate-windows
+            patchShebangs $out/bin/eww-activate-windows
+          '';
+
+          # wrapGAppsHook3 wraps every executable in $out/bin automatically,
+          # setting GI_TYPELIB_PATH etc. from buildInputs' closure.
+          preFixup = ''
+            gappsWrapperArgs+=(--prefix PATH : "${pythonEnv}/bin")
+          '';
+        };
       in
       ''
         (defpoll time :interval "10s" "date '+%H:%M'")
         (defpoll date :interval "60s" "date '+%d/%m'")
         (deflisten workspaces :initial "[]" "${lib.getExe workspaces}")
         (deflisten active-windows :initial "[]" "${lib.getExe activate-windows}")
+        (deflisten system_stats :initial "{\"cpu\":0,\"ram\":0,\"net\":\"down\"}" "${lib.getExe system-stats}")
 
         (defwindow bar
           :monitor 0
@@ -123,8 +143,21 @@
 
         (defwidget system-widget []
           (box :orientation "v" :space-evenly false :spacing 6 :halign "fill" :class "system"
-            (label :class "system-item" :text time)
-            (label :class "system-item" :text date)))
+            (box :orientation "v" :class "system-item" :space-evenly false :spacing 4
+              (label :class "system-icon" :text "''${system_stats.net == "up" ? "󰤨 " : "󰤭 "}")
+              (label :class "system-label" :text ""))
+            (box :orientation "v" :class "system-item" :space-evenly false :spacing 4
+              (label :class "system-icon" :text " ")
+              (label :class "system-label" :text "''${system_stats.cpu}%"))
+            (box :orientation "v" :class "system-item" :space-evenly false :spacing 4
+              (label :class "system-icon" :text " ")
+              (label :class "system-label" :text "''${system_stats.ram}%"))
+            (box :orientation "v" :class "system-item" :space-evenly false :spacing 4
+              (label :class "system-icon" :text "󰥔 ")
+              (label :class "system-label small" :text time))
+            (box :orientation "v" :class "system-item" :space-evenly false :spacing 4
+              (label :class "system-icon" :text "")
+              (label :class "system-label small" :text date))))
       '';
   };
 }