Merge pull request #797 from blueyed/display-screen-count-with-checkscreen

luaA_checkscreen: display number of existing screens with error [ci skip]
2016-04-04 20:33:45 +02:00 · 2016-04-04 20:33:45 +02:00 · 187b32630f
parent e24cb901cb 449974ca61
commit 187b32630f
1 changed files with 2 additions and 1 deletions
--- a/objects/screen.c
+++ b/objects/screen.c
@ -107,7 +107,8 @@ luaA_checkscreen(lua_State *L, int sidx)
    {
        int screen = lua_tointeger(L, sidx);
        if(screen < 1 || screen > globalconf.screens.len)
-            luaL_error(L, "invalid screen number: %d", screen);
+            luaL_error(L, "invalid screen number: %d (of %d existing)",
+                    screen, globalconf.screens.len);
        return globalconf.screens.tab[screen - 1];
    } else
        return luaA_checkudata(L, sidx, &screen_class);