autogenerate layout list

Makefile.am

@@ -68,6 +68,13 @@ uicbgen.h: $(awesome_SOURCES)
 	@echo "generating uicbgen.h from headers file"
 	@$(top_srcdir)/uicbgen.sh > $(top_srcdir)/uicbgen.h
 
+CLEANFILES    += layoutgen.h
+BUILT_SOURCES += layoutgen.h
+EXTRA_DIST    += layoutgen.sh
+layoutgen.h: $(awesome_SOURCES)
+	@echo "generating layoutgen.h from layouts headers file"
+	@$(top_srcdir)/layoutgen.sh > $(top_srcdir)/layoutgen.h
+
 CLEANFILES    += widgetgen.h
 BUILT_SOURCES += widgetgen.h
 EXTRA_DIST    += widgetgen.sh

layout.c

@@ -38,18 +38,7 @@
 
 extern AwesomeConf globalconf;
 
-const name_func_link_t LayoutList[] =
-{
-    {"tile", layout_tile},
-    {"tileleft", layout_tileleft},
-    {"tiledown", layout_tiledown},
-    {"tileup", layout_tileup},
-    {"max", layout_max},
-    {"spiral", layout_spiral},
-    {"dwindle", layout_dwindle},
-    {"floating", layout_floating},
-    {NULL, NULL}
-};
+#include "layoutgen.h"
 
 /** Arrange windows following current selected layout
  * \param screen the screen to arrange

layoutgen.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+echo "/* This file is autogenerated by" $(basename $0) "*/"
+echo
+echo "const name_func_link_t LayoutList[] ="
+echo "{"
+for file in layouts/*.h
+do
+    echo "    /* $file */"
+    grep '^LayoutArrange layout_' $file | cut -d' ' -f2 | cut -d\; -f1 | while read layout
+    do
+        shortname=$(echo $layout | cut -d _ -f2-)
+        echo "    {\"$shortname\", $layout},"
+    done
+done
+
+echo "    {NULL, NULL}"
+echo "};"