scheme: gtk theming

Via adw-gtk3 theme

data/gtk.template

@@ -0,0 +1,40 @@
+@define-color window_bg_color $base;          /* The main background color used on GtkWindow */
+@define-color window_fg_color $text;          /* The main foreground text color */
+@define-color view_bg_color $surface0;            /* A secondary background color used in icon views, text fields, etc */
+@define-color view_fg_color $text;            /* Secondary foreground text color */
+@define-color accent_bg_color $overlay1;          /* Color to indicate that a widget is important, interactive, or currently active */
+@define-color accent_fg_color $text;          /* Color for text over widgets using accent_bg_color */
+@define-color accent_color $overlay1;             /* Mostly used for text labels. Can be the same as accent_bg_color */
+@define-color headerbar_bg_color $base;       /* The headerbar background */
+@define-color headerbar_fg_color $text;       /* The headerbar foreground text color */
+@define-color headerbar_backdrop_color $base; /* The headerbar backdrop state background */
+@define-color headerbar_border_color $surface1;   /* Currently not used in adw-gtk3 */
+@define-color headerbar_shade_color $surface1;    /* The bottom border of the headerbar */
+@define-color card_bg_color $base;            /* The background color of lists */
+@define-color card_fg_color $text;            /* The text color on libhandy lists */
+@define-color card_shade_color $surface1;         /* List borders */
+@define-color popover_bg_color $surface0;         /* The background color of popovers and menus */
+@define-color popover_fg_color $text;         /* The text color on popovers */
+@define-color dialog_bg_color $base;          /* The background color of message dialogs */
+@define-color dialog_fg_color $text;          /* The foreground color of message dialogs */
+@define-color sidebar_bg_color $base;         /* Sidebar background color */
+@define-color sidebar_fg_color $text;         /* Sidebar foreground color */
+@define-color sidebar_backdrop_color $base;   /* Sidebar backdrop background color */
+@define-color sidebar_shade_color $surface1;      /* Sidebar shade color */
+
+@define-color warning_bg_color $surface1;         /* Background for widgets and elements that show a warning */
+@define-color warning_fg_color $yellow;         /* Foreground for widgets and elements that show a warning */
+@define-color warning_color $surface1;            /* Warning text label */
+@define-color error_bg_color $surface1;           /* Background for widgets and elements that show an error */
+@define-color error_fg_color $red;           /* Foreground for widgets and elements that show an error */
+@define-color error_color $surface1;              /* Error text label */
+@define-color success_bg_color $surface1;         /* Background for widgets and elements that show a successful action */
+@define-color success_fg_color $green;         /* Foreground for widgets and elements that show a successful action */
+@define-color success_color $surface1;            /* Success text label */
+@define-color destructive_bg_color $surface1;     /* The destructive color indicates a dangerous action, such as deleting a file */
+@define-color destructive_fg_color $red;     /* Destructive foreground color */
+@define-color destructive_color $surface1;        /* Destructive text label */
+
+/* Custom colors (GTK3 only) */
+@define-color panel_bg_color $base;           /* Background for XFCE4 panel */
+@define-color panel_fg_color $text;           /* Foreground for XFCE4 panel */

main.fish

@@ -33,7 +33,10 @@ end
 
 if test "$argv[1]" = scheme
     set -l valid_schemes dynamic mocha macchiato frappe latte
-    contains "$argv[2]" $valid_schemes && echo -n $argv[2] > $CACHE/scheme/current.txt || error "Invalid scheme: $argv[2]"
+    if contains "$argv[2]" $valid_schemes
+        echo -n $argv[2] > $CACHE/scheme/current.txt || error "Invalid scheme: $argv[2]"
+        test -f $CONFIG/gtk/update-scheme.fish && $CONFIG/gtk/update-scheme.fish
+    end
     exit
 end
 

scheme/apply-scheme.fish

@@ -31,27 +31,35 @@ function gen-ini -a program
     end
 end
 
+function gen-gtk
+    cp (dirname (status filename))/../data/gtk.template $CONFIG/gtk/schemes/dynamic.css
+    for colour in $argv
+        set -l split (string split ' ' $colour)
+        sed -i "s/\$$split[1]/#$split[2]/g" $CONFIG/gtk/schemes/dynamic.css
+    end
+end
+
 . (dirname (status filename))/../util.fish
 
 set -l src (dirname (status filename))
 set -l colours ($src/gen-scheme.fish $argv[1])
 
-if test -d $CONFIG/hypr/scheme
+if test -d $CONFIG/hypr
     log 'Generating hypr scheme'
     gen-hypr $colours > $CONFIG/hypr/scheme/dynamic.conf
 end
 
-if test -d $CONFIG/shell/scss/scheme
+if test -d $CONFIG/shell
     log 'Generating shell scheme'
     gen-scss $colours > $CONFIG/shell/scss/scheme/_dynamic.scss
 end
 
-if test -d $CONFIG/safeeyes/scheme
+if test -d $CONFIG/safeeyes
     log 'Generating SafeEyes scheme'
     gen-scss $colours > $CONFIG/safeeyes/scheme/_dynamic.scss
 end
 
-if test -d $CONFIG/discord/dynamic && test -d $CONFIG/discord/themes
+if test -d $CONFIG/discord
     log 'Generating discord scheme'
     gen-scss $colours > $CONFIG/discord/dynamic/_variables.scss
     gen-scss-palette $colours >> $CONFIG/discord/dynamic/_variables.scss
@@ -68,6 +76,12 @@ if test -d $CONFIG/../fuzzel/schemes
     gen-ini fuzzel $colours
 end
 
+if test -d $CONFIG/gtk
+    log 'Generating GTK+ schemes'
+    gen-gtk $colours
+    $CONFIG/gtk/update-scheme.fish
+end
+
 # Reload programs if dynamic scheme
 if test -f $CACHE/scheme/current.txt -a "$(cat $CACHE/scheme/current.txt)" = 'dynamic'
     caelestia scheme dynamic