5 files changed, 53 insertions, 0 deletions
diff --git a/.local/share/mode/plug.d/10_lib b/.local/share/mode/plug.d/10_lib
new file mode 100644
index 0000000..61817bc
--- /dev/null
+++ b/.local/share/mode/plug.d/10_lib
@@ -0,0 +1,5 @@
+#!/bin/sh
+# utility library functions
+hex_to_rgb_array() { pastel format rgb "$1" | cut -c4- | tr '()' '[]' ; }
+mix_rgb() { pastel mix --colorspace=RGB --fraction="$3" "$1" "$2" | pastel format hex ; }
+
diff --git a/.local/share/mode/plug.d/20_export_colors b/.local/share/mode/plug.d/20_export_colors
new file mode 100644
index 0000000..017446d
--- /dev/null
+++ b/.local/share/mode/plug.d/20_export_colors
@@ -0,0 +1,17 @@
+#!/bin/sh
+# colors must be #RRGGBB
+check_color() {
+	(
+		eval "color=\"\${$1}\""
+		exit "$(echo "$color" | sed -n '/^#[0-9a-fA-F]\{6\}$/p' | wc -l)"
+	)
+	if [ $? -ne 1 ] ; then
+		echo "error: color $1 is not properly formatted (#RRGGBB)"
+		stupid && exit 1
+	fi
+	eval "export $1"
+}
+for color in $(seq 0 15 | sed 's/^/color/') bg fg ; do
+	check_color $color
+done
+
diff --git a/.local/share/mode/plug.d/20_export_mode b/.local/share/mode/plug.d/20_export_mode
new file mode 100644
index 0000000..78432b6
--- /dev/null
+++ b/.local/share/mode/plug.d/20_export_mode
@@ -0,0 +1,9 @@
+#!/bin/sh
+# $mode = "light" | "dark"
+if [ "$mode" != 'dark' ] && [ "$mode" != 'light' ] ; then
+	pastel format hsl-lightness "$bg" | awk '{ exit($1 > 0.5) }'
+	[ $? -eq 0 ] && mode=dark || mode=light
+	echo "warn: theme $theme did not define \$mode as \"light\" or \"dark\", guessed $mode" >&2
+fi
+export mode
+
diff --git a/.local/share/mode/plug.d/20_export_vim_theme b/.local/share/mode/plug.d/20_export_vim_theme
new file mode 100644
index 0000000..be76b8b
--- /dev/null
+++ b/.local/share/mode/plug.d/20_export_vim_theme
@@ -0,0 +1,6 @@
+#!/bin/sh
+# warn if the vim theme is not installed
+if [ "$(find "$XDG_CONFIG_HOME/nvim" -name "$vim_theme_name.vim" | wc -l)" -eq 0 ] ; then
+	echo "warn: vim theme $vim_theme_name does not appear to be installed" >&2
+fi
+export vim_theme_name
diff --git a/.local/share/mode/plug.d/50_accent b/.local/share/mode/plug.d/50_accent
new file mode 100644
index 0000000..6e0aa73
--- /dev/null
+++ b/.local/share/mode/plug.d/50_accent
@@ -0,0 +1,16 @@
+#!/bin/sh
+# create accent color differently for dark/light mode
+
+# do not generate accent color if already explicitly defined by theme
+[ -n "$accent" ] && return
+
+[ "$mode" == "light" ] && {
+	accent="$color15"
+	accent_text="$color0"
+}
+[ "$mode" == "dark" ] && {
+	accent="$(mix_rgb $bg $color0 0.5)"
+	accent_text="$fg"
+}
+
+export accent accent_text