Merge a bunch of code which is 99% identical so it makes it easier to add more of these later

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29535 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 62 insertions, 0 deletions

diff --git a/apps/gui/skin_engine/skin_engine.c b/apps/gui/skin_engine/skin_engine.c
index fbedbb96fd..61a41d9bc3 100644
--- a/apps/gui/skin_engine/skin_engine.c
+++ b/apps/gui/skin_engine/skin_engine.c
@@ -259,3 +259,65 @@ void skin_request_full_update(enum skinnable_screens skin)
     FOR_NB_SCREENS(i)
         skins[skin][i].needs_full_update = true;
 }
+
+
+void *skin_find_item(const char *label, enum skin_find_what what,
+					 struct wps_data *data)
+{
+    const char *itemlabel = NULL;
+    union {
+        struct skin_token_list *linkedlist;
+        struct skin_element *vplist;
+    } list;
+    bool isvplist = false;
+    void *ret = NULL;
+    switch (what)
+    {
+        case SKIN_FIND_UIVP:
+        case SKIN_FIND_VP:
+            list.vplist = data->tree;
+            isvplist = true;
+        break;
+        case SKIN_FIND_IMAGE:
+            list.linkedlist = data->images;
+        break;
+#ifdef HAVE_TOUCHSCREEN
+        case SKIN_FIND_TOUCHREGION:
+            list.linkedlist = data->touchregions;
+        break;
+#endif
+    }
+        
+    while (list.linkedlist)
+    {
+        bool skip = false;
+        switch (what)
+        {
+            case SKIN_FIND_UIVP:
+            case SKIN_FIND_VP:
+                ret = list.vplist->data;
+                itemlabel = ((struct skin_viewport *)ret)->label;
+                skip = !(((struct skin_viewport *)ret)->is_infovp == 
+                    (what==SKIN_FIND_UIVP));
+                break;
+            case SKIN_FIND_IMAGE:
+                ret = list.linkedlist->token->value.data;
+                itemlabel = ((struct gui_img *)ret)->label;
+                break;
+#ifdef HAVE_TOUCHSCREEN
+            case SKIN_FIND_TOUCHREGION:
+                ret = list.linkedlist->token->value.data;
+                itemlabel = ((struct touchregion *)ret)->label;
+                break;
+#endif
+        }
+        if (!skip && itemlabel && !strcmp(itemlabel, label))
+            return ret;
+        
+        if (isvplist)
+            list.vplist = list.vplist->next;
+        else
+            list.linkedlist = list.linkedlist->next;
+    }
+    return NULL;
+}