Update box.nix

1 files changed, 223 insertions, 4 deletions

diff --git a/nixos/hosts/box/box.nix b/nixos/hosts/box/box.nix
index c964329..bc060ca 100644
--- a/nixos/hosts/box/box.nix
+++ b/nixos/hosts/box/box.nix
@@ -11,6 +11,8 @@
   home.homeDirectory = "/home/cat";
   home.stateVersion = "26.05";
 
+  home.packages = [ cls ];
+
   xdg.configFile."fish/config.fish".force = true;
   xdg.configFile."kitty/kitty.conf".force = true;
   xdg.configFile."btop/btop.conf".force = true;
@@ -172,6 +174,226 @@
     font = { name = "MonaspiceNe Nerd Font Mono"; size = 11; };
   };
 
+let
+  cls = pkgs.writeShellScriptBin "cls" ''
+    [ -z "$1" ] && echo "usage: cls <image>" >&2 && exit 1
+    [ ! -f "$1" ] && echo "cls: file not found: $1" >&2 && exit 1
+
+    cls="$HOME/.cls"
+    mkdir -p "$cls"
+
+    awww_out=$(awww img -o HDMI-A-1 "$1" --transition-type grow --transition-duration 1.5 --transition-fps 120 2>&1)
+    [ $? -ne 0 ] && echo "cls: awww: $awww_out" >&2
+    awww clear --outputs DP-1 2>/dev/null
+
+    raw=$(magick "$1" -thumbnail 50x50^ -colors 8 -unique-colors txt:- 2>&1)
+
+    base=$(printf '%s\n' "$raw" \
+        | grep -oE '#[0-9A-Fa-f]{6}' \
+        | awk '{
+            r = strtonum("0x" substr($0,2,2))
+            g = strtonum("0x" substr($0,4,2))
+            b = strtonum("0x" substr($0,6,2))
+            printf "%d %s\n", int(0.299*r + 0.587*g + 0.114*b), $0
+        }' \
+        | sort -n \
+        | awk '{print $2}' \
+        | head -8)
+
+    [ -z "$base" ] && echo "cls: magick failed" >&2 && echo "$raw" >&2 && exit 1
+
+    n=$(printf '%s\n' "$base" | wc -l)
+    last=$(printf '%s\n' "$base" | tail -1)
+    while [ "$n" -lt 8 ]; do
+        base=$(printf '%s\n%s' "$base" "$last")
+        n=$((n+1))
+    done
+
+    bright=$(printf '%s\n' "$base" | awk '{
+        r = strtonum("0x" substr($0,2,2))
+        g = strtonum("0x" substr($0,4,2))
+        b = strtonum("0x" substr($0,6,2))
+        r = int(r*1.4); if (r>255) r=255
+        g = int(g*1.4); if (g>255) g=255
+        b = int(b*1.4); if (b>255) b=255
+        printf "#%02X%02X%02X\n", r, g, b
+    }')
+
+    cols=$(printf '%s\n%s' "$base" "$bright")
+
+    c0=$(printf '%s\n'  "$cols" | sed -n '1p')
+    c1=$(printf '%s\n'  "$cols" | sed -n '2p')
+    c2=$(printf '%s\n'  "$cols" | sed -n '3p')
+    c3=$(printf '%s\n'  "$cols" | sed -n '4p')
+    c4=$(printf '%s\n'  "$cols" | sed -n '5p')
+    c5=$(printf '%s\n'  "$cols" | sed -n '6p')
+    c6=$(printf '%s\n'  "$cols" | sed -n '7p')
+    c7=$(printf '%s\n'  "$cols" | sed -n '8p')
+    c8=$(printf '%s\n'  "$cols" | sed -n '9p')
+    c9=$(printf '%s\n'  "$cols" | sed -n '10p')
+    c10=$(printf '%s\n' "$cols" | sed -n '11p')
+    c11=$(printf '%s\n' "$cols" | sed -n '12p')
+    c12=$(printf '%s\n' "$cols" | sed -n '13p')
+    c13=$(printf '%s\n' "$cols" | sed -n '14p')
+    c14=$(printf '%s\n' "$cols" | sed -n '15p')
+    c15=$(printf '%s\n' "$cols" | sed -n '16p')
+
+    bg="$c0"
+    fg=$(printf '%s\n' "$cols" | awk -v bg="$c0" '
+    function lum(hex,    r,g,b,rs,gs,bs) {
+        r = strtonum("0x" substr(hex,2,2)) / 255
+        g = strtonum("0x" substr(hex,4,2)) / 255
+        b = strtonum("0x" substr(hex,6,2)) / 255
+        rs = (r<=0.04045) ? r/12.92 : ((r+0.055)/1.055)^2.4
+        gs = (g<=0.04045) ? g/12.92 : ((g+0.055)/1.055)^2.4
+        bs = (b<=0.04045) ? b/12.92 : ((b+0.055)/1.055)^2.4
+        return 0.2126*rs + 0.7152*gs + 0.0722*bs
+    }
+    function contrast(a,b,    l1,l2,t) {
+        l1 = lum(a); l2 = lum(b)
+        if (l1 < l2) { t=l1; l1=l2; l2=t }
+        return (l1+0.05) / (l2+0.05)
+    }
+    BEGIN { best=""; bestc=0 }
+    {
+        c = contrast($0, bg)
+        if (c > bestc) { bestc=c; best=$0 }
+    }
+    END { print best }
+    ')
+    cursor="$fg"
+
+    printf '%s' "$1" > "$cls/cls"
+
+    printf '%s\n' "$cols" | awk '{printf "color%d=\"%s\"\n", NR-1, $0}' > "$cls/cls.sh"
+    printf 'background="%s"\nforeground="%s"\ncursor="%s"\n' "$bg" "$fg" "$cursor" >> "$cls/cls.sh"
+
+    cat > "$cls/cls.json" << ENDJSON
+    {
+        "wallpaper": "$1",
+        "alpha": "100",
+        "special": {
+            "background": "$bg",
+            "foreground": "$fg",
+            "cursor": "$cursor"
+        },
+        "colors": {
+            "color0": "$c0",
+            "color1": "$c1",
+            "color2": "$c2",
+            "color3": "$c3",
+            "color4": "$c4",
+            "color5": "$c5",
+            "color6": "$c6",
+            "color7": "$c7",
+            "color8": "$c8",
+            "color9": "$c9",
+            "color10": "$c10",
+            "color11": "$c11",
+            "color12": "$c12",
+            "color13": "$c13",
+            "color14": "$c14",
+            "color15": "$c15"
+        }
+    }
+    ENDJSON
+
+    printf '%s\n' "$cols" > "$cls/colors.txt"
+
+    cat > "$cls/kitty.conf" << ENDKITTY
+    foreground         $fg
+    background         $bg
+    background_opacity 1.0
+    cursor             $cursor
+
+    active_tab_foreground     $bg
+    active_tab_background     $fg
+    inactive_tab_foreground   $fg
+    inactive_tab_background   $bg
+
+    active_border_color   $fg
+    inactive_border_color $bg
+    bell_border_color     $c1
+
+    color0       $c0
+    color8       $c8
+    color1       $c1
+    color9       $c9
+    color2       $c2
+    color10      $c10
+    color3       $c3
+    color11      $c11
+    color4       $c4
+    color12      $c12
+    color5       $c5
+    color13      $c13
+    color6       $c6
+    color14      $c14
+    color7       $c7
+    color15      $c15
+    ENDKITTY
+
+    cat > "$cls/colors.fish" << ENDFISH
+    set fish_color_autosuggestion ''${c8#?}
+    set fish_color_cancel ''${c1#?} '--reverse'
+    set fish_color_command ''${c10#?}
+    set fish_color_comment ''${c8#?}
+    set fish_color_cwd ''${c2#?}
+    set fish_color_cwd_root ''${c1#?}
+    set fish_color_end ''${c3#?}
+    set fish_color_error ''${c1#?}
+    set fish_color_escape ''${c5#?}
+    set fish_color_history_current --bold
+    set fish_color_host ''${c12#?}
+    set fish_color_host_remote ''${c12#?}
+    set fish_color_keyword ''${c5#?}
+    set fish_color_match --background=''${c4#?}
+    set fish_color_normal ''${fg#?}
+    set fish_color_operator ''${c6#?}
+    set fish_color_option ''${c3#?}
+    set fish_color_param ''${c12#?}
+    set fish_color_quote ''${c11#?}
+    set fish_color_redirection ''${c5#?}
+    set fish_color_search_match --background=''${c8#?}
+    set fish_color_selection --background=''${c8#?}
+    set fish_color_status ''${c1#?}
+    set fish_color_user ''${c10#?}
+    set fish_color_valid_path --underline
+    set fish_pager_color_background ''${bg#?}
+    set fish_pager_color_completion ''${fg#?}
+    set fish_pager_color_description ''${c8#?}
+    set fish_pager_color_prefix ''${c10#?}
+    set fish_pager_color_progress ''${c8#?}
+    set fish_pager_color_secondary_background ''${bg#?}
+    set fish_pager_color_secondary_completion ''${fg#?}
+    set fish_pager_color_secondary_description ''${c8#?}
+    set fish_pager_color_secondary_prefix ''${c10#?}
+    set fish_pager_color_selected_background --background=''${c8#?}
+    set fish_pager_color_selected_completion ''${fg#?}
+    set fish_pager_color_selected_description ''${c8#?}
+    set fish_pager_color_selected_prefix ''${c10#?}
+    ENDFISH
+
+    {
+        printf '%s\n' "$cols" | awk '{printf "\033]4;%d;%s\007", NR-1, $0}'
+        printf '\033]10;%s\007' "$fg"
+        printf '\033]11;%s\007' "$bg"
+        printf '\033]12;%s\007' "$cursor"
+    } > "$cls/sequences"
+
+    for pty in /proc/*/fd/0; do
+        [ -c "$pty" ] && [ -w "$pty" ] && cat "$cls/sequences" > "$pty" 2>/dev/null
+    done
+
+    printf '%s\n' "$base" | awk '{
+        r = strtonum("0x" substr($0,2,2))
+        g = strtonum("0x" substr($0,4,2))
+        b = strtonum("0x" substr($0,6,2))
+        printf "\033[48;2;%d;%d;%dm   \033[0m %s\n", r, g, b, $0
+    }'
+  '';
+in
+
   home.file = {
     ".documents/obsidian/.obsidian/app.json".text = builtins.toJSON {
       readableLineLength = true;
@@ -220,12 +442,9 @@
       "publish" = false;
       "sync" = false;
       "bases" = false;
-      "webviewer" = true;
+      "webviewer" = false;
     };
 
-    ".documents/obsidian/.obsidian/community-plugins.json".text = builtins.toJSON [];
-  };
-
   systemd.user.services.obsidian = {
     Unit.Description = "obsidian git sync";
     Service = {