diff '--color=auto' -uraN st-0.8.5/config.def.h st-xtheme/config.def.h
--- st-0.8.5/config.def.h	2022-01-07 15:41:35.000000000 +0400
+++ st-xtheme/config.def.h	2022-01-28 06:13:11.486859924 +0400
@@ -1,5 +1,9 @@
 /* See LICENSE file for copyright and license details. */

+/* theme management */
+# include "theme_beg.h" /* this is a compile-time generated header file */
+# include "theme.h"
+
 /*
  * appearance
  *
@@ -96,34 +100,36 @@
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
 	/* 8 normal colors */
-	"black",
-	"red3",
-	"green3",
-	"yellow3",
-	"blue2",
-	"magenta3",
-	"cyan3",
-	"gray90",
+	ST_COLOR0,
+	ST_COLOR1,
+	ST_COLOR2,
+	ST_COLOR3,
+	ST_COLOR4,
+	ST_COLOR5,
+	ST_COLOR6,
+	ST_COLOR7,

 	/* 8 bright colors */
-	"gray50",
-	"red",
-	"green",
-	"yellow",
-	"#5c5cff",
-	"magenta",
-	"cyan",
-	"white",
+	ST_COLOR8,
+	ST_COLOR9,
+	ST_COLOR10,
+	ST_COLOR11,
+	ST_COLOR12,
+	ST_COLOR13,
+	ST_COLOR14,
+	ST_COLOR15,

 	[255] = 0,

 	/* more colors can be added after 255 to use with DefaultXX */
-	"#cccccc",
-	"#555555",
-	"gray90", /* default foreground colour */
-	"black", /* default background colour */
+	ST_CURSORCOLOR,
+	ST_REVCURCOLOR,
+	ST_FOREGROUND, /* default foreground colour */
+	ST_BACKGROUND, /* default background colour */
 };

+/* theme management */
+# include "theme_end.h" /* this is a compile-time generated header file */

 /*
  * Default colors (colorname index)
diff '--color=auto' -uraN st-0.8.5/Makefile st-xtheme/Makefile
--- st-0.8.5/Makefile	2022-01-07 15:41:35.000000000 +0400
+++ st-xtheme/Makefile	2022-01-28 06:24:02.729486753 +0400
@@ -18,19 +18,27 @@
 config.h:
 	cp config.def.h config.h

+theme.h:
+	chmod +x ./xtheme ./themesetup
+	./xtheme
+
+theme: theme.h
+	./themesetup
+
 .c.o:
 	$(CC) $(STCFLAGS) -c $<

-st.o: config.h st.h win.h
-x.o: arg.h config.h st.h win.h
+st.o: config.h st.h theme win.h
+x.o: arg.h config.h st.h theme win.h

-$(OBJ): config.h config.mk
+$(OBJ): config.h theme config.mk

 st: $(OBJ)
 	$(CC) -o $@ $(OBJ) $(STLDFLAGS)
+	rm theme_{beg,end}.h

 clean:
-	rm -f st $(OBJ) st-$(VERSION).tar.gz
+	rm -f st $(OBJ) theme_{beg,end}.h st-$(VERSION).tar.gz

 dist: clean
 	mkdir -p st-$(VERSION)
@@ -54,4 +62,4 @@
 	rm -f $(DESTDIR)$(PREFIX)/bin/st
 	rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1

-.PHONY: all options clean dist install uninstall
+.PHONY: all options clean dist install uninstall theme
diff '--color=auto' -uraN st-0.8.5/themes/leet.h st-xtheme/themes/leet.h
--- st-0.8.5/themes/leet.h	1970-01-01 04:00:00.000000000 +0400
+++ st-xtheme/themes/leet.h	2022-01-28 06:10:04.064533316 +0400
@@ -0,0 +1,21 @@
+# define ST_ALPHA .75F
+# define ST_FOREGROUND "#FF0000"
+# define ST_BACKGROUND "#080000"
+# define ST_CURSORCOLOR "#D40000"
+# define ST_REVCURCOLOR "#FF0000"
+# define ST_COLOR0 "#010008"
+# define ST_COLOR1 "#A71B1A"
+# define ST_COLOR2 "#3B8526"
+# define ST_COLOR3 "#E49202"
+# define ST_COLOR4 "#1D576D"
+# define ST_COLOR5 "#97219C"
+# define ST_COLOR6 "#24866F"
+# define ST_COLOR7 "#B5AD64"
+# define ST_COLOR8 "#1C1C1C"
+# define ST_COLOR9 "#BF3130"
+# define ST_COLOR10 "#58A642"
+# define ST_COLOR11 "#FFB026"
+# define ST_COLOR12 "#4169E1"
+# define ST_COLOR13 "#A7248C"
+# define ST_COLOR14 "#37A48D"
+# define ST_COLOR15 "#CEC67D"
diff '--color=auto' -uraN st-0.8.5/themes/redish.h st-xtheme/themes/redish.h
--- st-0.8.5/themes/redish.h	1970-01-01 04:00:00.000000000 +0400
+++ st-xtheme/themes/redish.h	2022-01-28 06:10:04.064533316 +0400
@@ -0,0 +1,21 @@
+# define ST_ALPHA 1.F
+# define ST_FOREGROUND "#FF0000"
+# define ST_BACKGROUND "#1C0F0F"
+# define ST_CURSORCOLOR "#D40000"
+# define ST_REVCURCOLOR "#FF0000"
+# define ST_COLOR0 "#1C0F11"
+# define ST_COLOR1 "#752323"
+# define ST_COLOR2 "#D96767"
+# define ST_COLOR3 "#FF0000"
+# define ST_COLOR4 "#523F3F"
+# define ST_COLOR5 "#993131"
+# define ST_COLOR6 "#B45050"
+# define ST_COLOR7 "#735050"
+# define ST_COLOR8 "#806060"
+# define ST_COLOR9 "#C02F2F"
+# define ST_COLOR10 "#D76262"
+# define ST_COLOR11 "#FF0000"
+# define ST_COLOR12 "#7E4F4F"
+# define ST_COLOR13 "#FF1111"
+# define ST_COLOR14 "#FF8A8A"
+# define ST_COLOR15 "#8C6161"
diff '--color=auto' -uraN st-0.8.5/themesetup st-xtheme/themesetup
--- st-0.8.5/themesetup	1970-01-01 04:00:00.000000000 +0400
+++ st-xtheme/themesetup	2022-01-28 06:10:04.064533316 +0400
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+echo \# if $(cat theme.h | cut -d' ' -f3 | sed "s/^/defined /;s/$/ ||/" | tr "\n" " ") 0 > theme_beg.h
+echo -e "# error (conflicting macro names)\n# endif" >> theme_beg.h
+cat theme.h | cut -d' ' -f3 | sed "s/^/# undef /;" > theme_end.h
diff '--color=auto' -uraN st-0.8.5/xresources.list st-xtheme/xresources.list
--- st-0.8.5/xresources.list	1970-01-01 04:00:00.000000000 +0400
+++ st-xtheme/xresources.list	2022-01-28 06:10:04.064533316 +0400
@@ -0,0 +1,21 @@
+alpha
+foreground		"
+background		"
+cursorColor		"
+revCurColor		"
+color0			"
+color1			"
+color2			"
+color3			"
+color4			"
+color5			"
+color6			"
+color7			"
+color8			"
+color9			"
+color10			"
+color11			"
+color12			"
+color13			"
+color14			"
+color15			"
diff '--color=auto' -uraN st-0.8.5/xtheme st-xtheme/xtheme
--- st-0.8.5/xtheme	1970-01-01 04:00:00.000000000 +0400
+++ st-xtheme/xtheme	2022-01-28 06:10:04.064533316 +0400
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+prefix=st
+resfile=xresources.list
+themeout=theme.h
+themedefault=themes/leet.h
+
+rm -f $themeout
+
+cat "$resfile" | while read r s
+do
+	m=ST_$(echo $r | tr '[:lower:]' '[:upper:]')
+
+	echo -e "$prefix\n" |
+	{
+		l=''
+
+		while read p
+		do
+			l="$(																\
+				xrdb -query														\
+					| grep -P "^$p\*?\.?$r:\s*\S*$"  -m 1						\
+					| sed "s/^$p\*\?\.\?$r:\s*\(\S*\)$/# define $m $s\1$s/"		\
+			)"
+
+			if [[ "$l" != '' ]]
+			then
+				echo "$l" >> $themeout
+				break
+			fi
+		done
+
+		if [[ "$l" == '' ]]
+		then
+			cat "$themedefault" | grep -P "# define $m " >> $themeout
+		fi
+	}
+done
+
+./themesetup