Get rid of the color name, and generate a #RGBA value on the fly if needed.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Julien Danjou <julien@danjou.info>

client.c

@@ -1280,7 +1280,7 @@ luaA_client_index(lua_State *L)
         lua_pushnumber(L, (*c)->border);
         break;
       case A_TK_BORDER_COLOR:
-        lua_pushstring(L, (*c)->border_color.name);
+        luaA_pushcolor(L, &(*c)->border_color);
         break;
       case A_TK_COORDS:
         lua_newtable(L);

common/draw.c

@@ -427,8 +427,8 @@ draw_setup_cairo_color_source(draw_context_t *ctx, area_t rect,
                               const xcolor_t *pcolor_end)
 {
     cairo_pattern_t *pat = NULL;
-    bool has_center = pcolor_center->name[0] != '\0';
+    bool has_center = pcolor_center->initialized;
-    bool has_end    = pcolor_end->name[0] != '\0';
+    bool has_end    = pcolor_end->initialized;
 
     /* no need for a real pattern: */
     if(!has_end && !has_center)
@@ -1151,7 +1151,7 @@ xcolor_init(xcolor_t *color, xcb_connection_t *conn, int phys_screen,
             color->green = hexa_color->green;
             color->blue  = hexa_color->blue;
             color->alpha = alpha;
-            a_strcpy(color->name, sizeof(color->name), colstr);
+            color->initialized = true;
             p_delete(&hexa_color);
             return true;
         }
@@ -1173,7 +1173,7 @@ xcolor_init(xcolor_t *color, xcb_connection_t *conn, int phys_screen,
             color->blue  = named_color->visual_blue;
             color->alpha = 0xffff;
             color->alpha = alpha;
-            a_strcpy(color->name, sizeof(color->name), colstr);
+            color->initialized = true;
             p_delete(&named_color);
             return true;
         }

common/draw.h

@@ -33,8 +33,7 @@
 
 typedef struct
 {
-    /** Color name */
+    unsigned initialized : 1;
-    char name[32];
     uint32_t pixel;
     uint16_t red;
     uint16_t green;

lua.c

@@ -653,3 +653,13 @@ luaA_on_timer(EV_P_ ev_timer *w, int revents)
 {
     luaA_dofunction(globalconf.L, globalconf.hooks.timer, 0);
 }
+
+void
+luaA_pushcolor(lua_State *L, const xcolor_t *c)
+{
+    uint8_t r = (unsigned)c->red   * 0xff / 0xffff;
+    uint8_t g = (unsigned)c->green * 0xff / 0xffff;
+    uint8_t b = (unsigned)c->blue  * 0xff / 0xffff;
+    uint8_t a = (unsigned)c->alpha * 0xff / 0xffff;
+    lua_pushfstring(L, "#%02x%02x%02x%02x", r, g, b, a);
+}

lua.h

@@ -27,6 +27,7 @@
 #include <lauxlib.h>
 
 #include "common/util.h"
+#include "common/draw.h"
 
 /** Object types */
 typedef enum
@@ -194,6 +195,7 @@ void luaA_pushpointer(lua_State *, void *, awesome_type_t);
 void luaA_cs_init(void);
 void luaA_cs_cleanup(void);
 void luaA_on_timer(EV_P_ ev_timer *w, int revents);
+void luaA_pushcolor(lua_State *, const xcolor_t *c);
 
 #endif
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

statusbar.c

@@ -516,10 +516,10 @@ luaA_statusbar_index(lua_State *L)
         lua_pushstring(L, draw_align_tostr((*statusbar)->align));
         break;
       case A_TK_FG:
-        lua_pushstring(L, (*statusbar)->colors.fg.name);
+        luaA_pushcolor(L, &(*statusbar)->colors.fg);
         break;
       case A_TK_BG:
-        lua_pushstring(L, (*statusbar)->colors.bg.name);
+        luaA_pushcolor(L, &(*statusbar)->colors.bg);
         break;
       case A_TK_POSITION:
         lua_pushstring(L, position_tostr((*statusbar)->position));

titlebar.c

@@ -538,13 +538,13 @@ luaA_titlebar_index(lua_State *L)
         lua_pushnumber(L, (*titlebar)->border.width);
         break;
       case A_TK_BORDER_COLOR:
-        lua_pushstring(L, (*titlebar)->border.color.name);
+        luaA_pushcolor(L, &(*titlebar)->border.color);
         break;
       case A_TK_FG:
-        lua_pushstring(L, (*titlebar)->colors.fg.name);
+        luaA_pushcolor(L, &(*titlebar)->colors.fg);
         break;
       case A_TK_BG:
-        lua_pushstring(L, (*titlebar)->colors.bg.name);
+        luaA_pushcolor(L, &(*titlebar)->colors.bg);
         break;
       default:
         return 0;

widgets/graph.c

@@ -443,10 +443,10 @@ luaA_graph_index(lua_State *L, awesome_token_t token)
         lua_pushnumber(L, d->width);
         break;
       case A_TK_BORDER_COLOR:
-        lua_pushstring(L, d->border_color.name);
+        luaA_pushcolor(L, &d->border_color);
         break;
       case A_TK_BG:
-        lua_pushstring(L, d->bg.name);
+        luaA_pushcolor(L, &d->bg);
         break;
       case A_TK_GROW:
         switch(d->grow)