scheme: light/dark mode

scheme/gen-scheme.fish

@@ -24,7 +24,7 @@ else
     set colour_scheme dark
 end
 
-test "$(cat $C_STATE/scheme/current-name.txt)" = dynamic && gsettings set org.gnome.desktop.interface color-scheme \'prefer-$colour_scheme\'
+echo -n $colour_scheme > $C_STATE/scheme/dynamic-mode.txt
 
 # 2nd line except first element is the palette
 # The first element in lines 3+ are the layers

scheme/main.fish

@@ -0,0 +1,30 @@
+#!/bin/fish
+
+set -l src (dirname (status filename))/..
+
+. $src/util.fish
+
+set -l valid_schemes (path change-extension '' $src/data/schemes/* | sed 's!.*/!!')
+set -l light_schemes latte
+
+if contains -- "$argv[1]" $valid_schemes
+    mkdir -p $C_STATE/scheme
+
+    # Update scheme colours
+    cp $src/data/schemes/$argv[1].txt $C_STATE/scheme/current.txt
+
+    # Update scheme name
+    echo -n $argv[1] > $C_STATE/scheme/current-name.txt
+
+    # Update scheme mode
+    if test $argv[1] = dynamic
+        set colour_scheme (cat $C_STATE/scheme/dynamic-mode.txt)
+    else
+        contains -- "$argv[1]" $light_schemes && set colour_scheme light || set colour_scheme dark
+    end
+    echo -n $colour_scheme > $C_STATE/scheme/current-mode.txt
+
+    log "Changed scheme to $argv[1]"
+else
+    error "Invalid scheme: $argv[1]"
+end