1 files changed, 102 insertions, 0 deletions
diff --git a/config/kak/palette.kak b/config/kak/palette.kak
new file mode 100644
index 0000000..66272de
--- /dev/null
+++ b/config/kak/palette.kak
@@ -0,0 +1,102 @@
+define-command palette-status -docstring 'show main selection color in status bar' %{
+  evaluate-commands %sh{
+    awk_script='{
+      if ((x=index($1,"#")) > 0)
+        $1 = substr($1, x+1)
+      if (length($1) == 8)
+        $1 = substr($1, 1, 6)
+      if (length($1) == 4)
+        $1 = substr($1, 1, 3)
+      if (length($1) == 3) {
+        r = substr($1, 1, 1)
+        g = substr($1, 2, 1)
+        b = substr($1, 3, 1)
+        $1 = r r g g b b
+      }
+      print "try %{ evaluate-commands -client " client " echo -markup {rgb:" $1 "} ██████ }"
+    }'
+    printf %s\\n "$kak_selection" | awk -v client="$kak_client" "$awk_script" | kak -p "$kak_session"
+  }
+}
+
+# use this palette command in a colorscheme kak file or the output of 'debug faces'
+# it will add a color preview in a new column on the left for each line with a face declaration
+
+define-command palette-gutter -docstring 'show faces in gutter' %{
+  set-face global Palette default
+  # palette_flags is undefined for now, but will be populated by the set command generated by awk
+  # it must follow this format: 1486635122:1|Foo:3|{red,yellow+b}Bar
+  # which is a timestamp, then a list of line number|text tuples separated by colons
+  declare-option line-specs palette_flags
+  # from previous call
+  remove-highlighter window/palette
+  add-highlighter window/palette flag-lines Palette palette_flags
+
+  # populate $kak_selection to feed the whole buffer content to awk
+  execute-keys '%'
+
+  # awk quick survival guide:
+  # - NR is line number
+  # - substr starts at 1
+  # - the v flag is used to assign argument
+  # - gsub() returns 0 or 1, but mutates 3rd arg
+  evaluate-commands %sh{
+    case "$kak_opt_filetype" in
+
+    'kak')
+      awk_script='
+        /face / {
+          flags = flags NR "|{" $3 "}" $3 " "
+        }
+      '
+      ;;
+
+    'css'|'less'|'sass'|'scss'|'stylus')
+      awk_script='
+        function toKakColor(hex) {
+          if (length(hex) == 7) {
+            return "rgb:" substr(hex, 2, 6)
+          } else if (length(hex) == 4) {
+            r = substr(hex, 2, 1)
+            g = substr(hex, 3, 1)
+            b = substr(hex, 4, 1)
+            return "rgb:" r r g g b b
+          } else {
+            return "rgb:000000"
+          }
+        }
+        /color: / {
+          flags = flags NR "|{" toKakColor($2) "," toKakColor($2) "}██████ "
+        }
+      '
+      ;;
+
+    *)
+      # parse the output of 'debug faces' command
+      if [ "$kak_bufname" = '*debug*' ]; then
+        awk_script='
+          / \* / {
+            gsub(":", " ", $2)
+            flags = flags NR "|{" $3 "}" $2
+          }
+        '
+      else
+        echo 'echo -markup "{Error}filetype not supported by palette"'
+      fi
+      ;;
+
+    esac
+
+    if [ -n "$awk_script" ]; then
+      awk_script=$awk_script'
+        END {
+          print "set-option \"buffer=" file "\" palette_flags " stamp " " substr(flags, 1, length(flags)-1)
+        }
+      '
+      printf %s\\n "$kak_selection" | awk -v file="$kak_buffile" -v stamp="$kak_timestamp" "$awk_script" | kak -p "$kak_session"
+    fi
+  }
+
+  # back to normal after '%'
+  execute-keys ';'
+}