live_edit: remove margin in the spacer image.

spacer margin should be removed from the image
because live edit needs accruate pixel control.
on the other hands, spacer button icon needs margin.

this implementation is a little tricky but i have no idea better than this.

data/themes/default/images.edc

@@ -21,6 +21,7 @@ images {
    image: "live_rectangle.png" COMP;
    image: "live_swallow.png" COMP;
    image: "live_spacer.png" COMP;
+   image: "live_spacer_icon.png" COMP;
    image: "live_text.png" COMP;
    image: "live_textblock.png" COMP;
    image: "expand.png" COMP;
@@ -75,6 +76,7 @@ ICON_GROUP("invert", "invert.png")
 ICON_GROUP("Image", "live_image.png")
 ICON_GROUP("Rect", "live_rectangle.png")
 ICON_GROUP("Spacer", "live_spacer.png")
+ICON_GROUP("Spacer_Icon", "live_spacer_icon.png")
 ICON_GROUP("Swallow", "live_swallow.png")
 ICON_GROUP("Text", "live_text.png")
 ICON_GROUP("Textblock", "live_textblock.png")

data/themes/default/images/Makefile.am

@@ -56,6 +56,7 @@ EXTRA_DIST = \
    live_rectangle.png \
    live_swallow.png \
    live_spacer.png \
+   live_spacer_icon.png \
    live_text.png \
    live_textblock.png \
    new.png \

src/bin/live_edit.c

@@ -120,7 +120,7 @@ static const liveedit_item LIVEEDIT_ITEMS[] =
      {"Image", EDJE_PART_TYPE_IMAGE},
      {"Swallow", EDJE_PART_TYPE_SWALLOW},
      {"Textblock", EDJE_PART_TYPE_TEXTBLOCK},
-     {"Spacer", EDJE_PART_TYPE_SPACER}
+     {"Spacer", EDJE_PART_TYPE_SPACER} //Please leave spacer at last
 };
 
 static Evas_Object *
@@ -2005,13 +2005,19 @@ live_edit_tools_create(Evas_Object *parent)
    Evas_Object *btn;
    int i;
 
-   for (i = 0; i < LIVEEDIT_ITEMS_NUM; i++)
+   for (i = 0; i < (LIVEEDIT_ITEMS_NUM - 1); i++)
      {
         btn = live_btn_create(parent, LIVEEDIT_ITEMS[i].name,
                               (void *)(uintptr_t) i);
         btn_list = eina_list_append(btn_list, btn);
      }
 
+   //Just for spacer. Because we'd like to avoid margin in the icon image,
+   //We use 2 images - button icon's and live edit object's.
+   btn = live_btn_create(parent, "Spacer_Icon",
+                         (void *)(uintptr_t) i);
+   btn_list = eina_list_append(btn_list, btn);
+
    return btn_list;
 }