Add gammarelay controls to eww bar

home/.config/eww/css/modules/_gammarelay.scss

@@ -0,0 +1,7 @@
+.gammarelay {
+  .icon { 
+    color: $peach;
+    margin-left: 2px;
+    margin-right: 2px;
+  }
+}

home/.config/eww/eww.scss

@@ -26,6 +26,7 @@
 @import "css/modules/kernel";
 @import "css/modules/battery";
 @import "css/modules/workspaces";
+@import "css/modules/gammarelay";
 
 .bar {
   background-color: $bg-a;

home/.config/eww/eww.yuck

@@ -10,6 +10,7 @@
 ; (include "./modules/battery.yuck")
 (include "./modules/window_name.yuck")
 (include "./modules/workspaces.yuck")
+(include "./modules/gammarelay.yuck")
 
 (include "./windows/calendar.yuck")
 
@@ -20,6 +21,8 @@
   (box 
     :space-evenly false
     :halign "start"
+    (gammarelay_module)
+    (sep)
     (window_name_module)
     ))
 

home/.config/eww/modules/gammarelay.yuck

@@ -0,0 +1,45 @@
+(deflisten temperature `scripts/gammarelay temperature watch`)
+(deflisten brightness `scripts/gammarelay brightness watch`)
+; (deflisten gamma `scripts/gammarelay gamma watch`)
+
+(defwidget gammarelay_module []
+  (box
+    :class "module gammarelay"
+
+    (eventbox
+      :onscroll "scripts/gammarelay temperature scroll {}"
+      :onclick "scripts/gammarelay temperature set toggle"
+      :onrightclick "scripts/gammarelay temperature set off"
+      :tooltip "${temperature} K"
+      :class "temperature"
+      (box
+        (label
+          :class "icon"
+          :text "")
+    ))
+
+    (eventbox
+      :onscroll "scripts/gammarelay brightness scroll {}"
+      :onclick "scripts/gammarelay brightness set toggle"
+      :onrightclick "scripts/gammarelay brightness set off"
+      :tooltip "${brightness}%"
+      :class "brightness"
+      (box
+        (label
+          :class "icon"
+          :text "")
+    ))
+
+    ; (eventbox
+    ;   :onscroll "scripts/gammarelay gamma scroll {}"
+    ;   :onclick "scripts/gammarelay gamma set toggle"
+    ;   :onrightclick "scripts/gammarelay gamma set off"
+    ;   :tooltip "${gamma}%"
+    ;   :class "gamma"
+    ;   :valign "top"
+    ;   (box
+    ;     (label
+    ;       :class "icon"
+    ;       :text "γ")
+    ; ))
+  ))

home/.config/eww/scripts/gammarelay

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+if [ "$1" = "temperature" ]; then
+    watch_cmd="{t}"
+    update_cmd="UpdateTemperature"
+    update_signature="n"
+    set_cmd="Temperature"
+    set_signature="q"
+    default_val=6500
+    click_val=4500
+    scroll_change=100
+    cmp_op="<"
+
+elif [ "$1" = "brightness" ]; then
+    watch_cmd="{bp}"
+    update_cmd="UpdateBrightness"
+    update_signature="d"
+    set_cmd="Brightness"
+    set_signature="d"
+    default_val=1
+    click_val=0.8
+    scroll_change=0.02
+    cmp_op="<"
+
+elif [ "$1" = "gamma" ]; then
+    watch_cmd="{g}"
+    update_cmd="UpdateGamma"
+    update_signature="d"
+    set_cmd="Gamma"
+    set_signature="d"
+    default_val=1
+    click_val=1.1
+    scroll_change=0.02
+    cmp_op=">"
+
+else
+    >&2 echo "Invalid option, first argument must be one of: temperature, brightness, gamma"
+    exit 1
+fi
+
+
+if [ "$2" = "watch" ]; then
+    exec wl-gammarelay-rs watch "$watch_cmd"
+
+elif [ "$2" = "get" ]; then
+    exec busctl --user get-property rs.wl-gammarelay / rs.wl.gammarelay "$set_cmd" | cut -d' ' -f2
+
+elif [ "$2" = "scroll" ]; then
+    if [ "$3" = "up" ]; then
+        sign="+"
+    elif [ "$3" = "down" ]; then
+        sign="-"
+    else
+        >&2 echo "Invalid sign, second argument must be one of: up, down"
+        exit 1
+    fi
+
+    exec busctl --user -- call rs.wl-gammarelay / rs.wl.gammarelay "$update_cmd" "$update_signature" ${sign}${scroll_change}
+
+elif [ "$2" = "set" ]; then
+    mode="$3"
+    if [ "$mode" = "toggle" ]; then
+        cur_val="$(busctl --user get-property rs.wl-gammarelay / rs.wl.gammarelay "$set_cmd" | cut -d' ' -f2)"
+        if [ "$(echo "$cur_val $cmp_op $default_val" | bc -l)" = "1" ]; then
+            mode="off"
+        else
+            mode="on"
+        fi
+    fi
+
+    if [ "$mode" = "on" ]; then
+        exec busctl --user -- set-property rs.wl-gammarelay / rs.wl.gammarelay "$set_cmd" "$set_signature" "$click_val"
+    elif [ "$mode" = "off" ]; then
+        exec busctl --user -- set-property rs.wl-gammarelay / rs.wl.gammarelay "$set_cmd" "$set_signature" "$default_val"
+    else
+        >&2 echo "Invalid mode, third argument, must be one of: toggle, on, off"
+        exit 1
+    fi
+
+else
+    >&2 echo "Invalid operation, second argument must be one of: watch, scroll, set"
+    exit 1
+fi