layout/comp "top at xy" functions now allow restricting based on visibility

fixes desktop gadget dnd

src/bin/e_comp.c

@@ -5255,7 +5255,7 @@ e_comp_zone_update(E_Comp_Zone *cz)
 }
 
 EAPI Ecore_X_Window
-e_comp_top_window_at_xy_get(E_Comp *c, Evas_Coord x, Evas_Coord y, Ecore_X_Window *ignore, unsigned int ignore_num)
+e_comp_top_window_at_xy_get(E_Comp *c, Evas_Coord x, Evas_Coord y, Eina_Bool vis, Ecore_X_Window *ignore, unsigned int ignore_num)
 {
    E_Comp_Win *cw;
    Evas_Object *o;
@@ -5276,7 +5276,7 @@ e_comp_top_window_at_xy_get(E_Comp *c, Evas_Coord x, Evas_Coord y, Ecore_X_Windo
                ignore_list = eina_list_append(ignore_list, cw->effect_obj);
           }
      }
-   o = e_layout_top_child_at_xy_get(c->layout, x, y, ignore_list);
+   o = e_layout_top_child_at_xy_get(c->layout, x, y, vis, ignore_list);
    eina_list_free(ignore_list);
    cw = evas_object_data_get(o, "comp_win");
    if (!cw) return c->ee_win;

src/bin/e_comp.h

@@ -248,7 +248,7 @@ EAPI void e_comp_win_opacity_set(E_Comp_Win *cw, unsigned int opacity);
 EAPI E_Comp *e_comp_get(void *o);
 EAPI void e_comp_populate(E_Comp *c);
 
-EAPI Ecore_X_Window e_comp_top_window_at_xy_get(E_Comp *c, Evas_Coord x, Evas_Coord y, Ecore_X_Window *ignore, unsigned int ignore_num);
+EAPI Ecore_X_Window e_comp_top_window_at_xy_get(E_Comp *c, Evas_Coord x, Evas_Coord y, Eina_Bool vis, Ecore_X_Window *ignore, unsigned int ignore_num);
 
 /* for injecting objects into the comp layout */
 EAPI E_Comp_Win *e_comp_object_inject(E_Comp *c, Evas_Object *obj, E_Object *eobj, E_Layer layer);

src/bin/e_dnd.c

@@ -766,7 +766,7 @@ _e_drag_update(Ecore_X_Window root, int x, int y, Ecore_X_Atom action)
      {
         Ecore_X_Window ignore[1];
         ignore[0] = _drag_win;
-        win = e_comp_top_window_at_xy_get(e_comp_get(_drag_current), x, y, ignore, 1);
+        win = e_comp_top_window_at_xy_get(e_comp_get(_drag_current), x, y, 1, ignore, 1);
      }
    else
      win = root;
@@ -894,7 +894,7 @@ _e_drag_end(int x, int y)
 
    if (!_drag_current) return;
    ignore[0] = _drag_win;
-   win = e_comp_top_window_at_xy_get(e_comp_get(_drag_current), x, y, ignore, 1);
+   win = e_comp_top_window_at_xy_get(e_comp_get(_drag_current), x, y, 1, ignore, 1);
    zone = e_container_zone_at_point_get(_drag_current->container, x, y);
    /* Pass -1, -1, so that it is possible to drop at the edge. */
    if (zone) e_zone_flip_coords_handle(zone, -1, -1);

src/bin/e_layout.c

@@ -302,7 +302,7 @@ e_layout_children_get(Evas_Object *obj)
 }
 
 EAPI Evas_Object *
-e_layout_top_child_at_xy_get(Evas_Object *obj, Evas_Coord x, Evas_Coord y, const Eina_List *ignore)
+e_layout_top_child_at_xy_get(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Eina_Bool vis, const Eina_List *ignore)
 {
    E_Smart_Data *sd;
    E_Layout_Item *li;
@@ -314,7 +314,8 @@ e_layout_top_child_at_xy_get(Evas_Object *obj, Evas_Coord x, Evas_Coord y, const
      if (E_INSIDE(x, y, li->x, li->y, li->w, li->h))
        {
           if (eina_list_data_find(ignore, li->obj)) continue;
-          return li->obj;
+          if ((!vis) || evas_object_visible_get(li->obj))
+            return li->obj;
        }
    return NULL;
 }

src/bin/e_layout.h

@@ -23,7 +23,7 @@ EAPI void         e_layout_child_geometry_get(Evas_Object *obj, Evas_Coord *x, E
 EAPI void         e_layout_unpack            (Evas_Object *obj);
 
 EAPI Eina_List *e_layout_children_get(Evas_Object *obj);
-EAPI Evas_Object *e_layout_top_child_at_xy_get(Evas_Object *obj, Evas_Coord x, Evas_Coord y, const Eina_List *ignore);
+EAPI Evas_Object *e_layout_top_child_at_xy_get(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Eina_Bool vis, const Eina_List *ignore);
 
 EAPI Evas_Object *e_layout_child_below_get(Evas_Object *obj);
 EAPI Evas_Object *e_layout_child_above_get(Evas_Object *obj);