clients: add icon_name support

Signed-off-by: Julien Danjou <julien@danjou.info>

client.c

@@ -1193,6 +1193,7 @@ luaA_client_newindex(lua_State *L)
  * \lfield instance The client instance.
  * \lfield pid The client PID, if available.
  * \lfield machine The machine client is running on.
+ * \lfield icon_name The client name when iconified.
  * \lfield floating_placement The floating placement used for this client.
  * \lfield screen Client screen number.
  * \lfield hide Define if the client must be hidden, i.e. never mapped.
@@ -1260,6 +1261,13 @@ luaA_client_index(lua_State *L)
         lua_pushlstring(L, value, slen);
         p_delete(&value);
         break;
+      case A_TK_ICON_NAME:
+        if(!xutil_gettextprop(globalconf.connection, (*c)->win, _NET_WM_ICON_NAME, &value, &slen))
+            if(!xutil_gettextprop(globalconf.connection, (*c)->win, WM_ICON_NAME, &value, &slen))
+                return 0;
+        lua_pushlstring(L, value, slen);
+        p_delete(&value);
+        break;
       case A_TK_FLOATING_PLACEMENT:
         lua_pushstring(L, name_func_rlookup((*c)->floating_placement,
                                             FloatingPlacementList));

common/tokenize.gperf

@@ -27,6 +27,7 @@ grow
 height
 hide
 honorsizehints
+icon_name
 icon_path
 image
 instance

lib/awful.lua.in

@@ -1119,15 +1119,21 @@ local function widget_tasklist_label_common(c, args)
     local fg_urgent = args.fg_urgent or theme.fg_urgent
     local bg_urgent = args.bg_urgent or theme.bg_urgent
     local text = ""
+    local name
     if c.floating then
         text = "<bg image=\"@AWESOME_ICON_PATH@/tasklist/floatingw.png\" align=\"right\"/>"
     end
-    if capi.client.focus_get() == c then
-        text = text .. " <bg color='"..bg_focus.."'/><span color='"..fg_focus.."'>"..escape(c.name).."</span> "
-    elseif c.urgent and bg_urgent and fg_urgent then
-        text = text .. " <bg color='"..bg_urgent.."'/><span color='"..fg_urgent.."'>"..escape(c.name).."</span> "
+    if c.hidden then
+        name = escape(c.icon_name)
     else
-        text = text .. " "..escape(c.name).." "
+        name = escape(c.name)
+    end
+    if capi.client.focus_get() == c then
+        text = text .. " <bg color='"..bg_focus.."'/><span color='"..fg_focus.."'>"..name.."</span> "
+    elseif c.urgent and bg_urgent and fg_urgent then
+        text = text .. " <bg color='"..bg_urgent.."'/><span color='"..fg_urgent.."'>"..name.."</span> "
+    else
+        text = text .. " "..name.." "
     end
     return text
 end