From: woohyun <woohyun@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Date: Sat, 6 Aug 2011 07:39:31 +0000 (+0000)
Subject: elementary : Partly rollback for about the feature "focus movement by
X-Git-Tag: REL_F_I9500_20120323_1~17^2~2002
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f3503e4ee7ebe389144098d2d87952402048457;p=framework%2Fuifw%2Felementary.git

elementary : Partly rollback for about the feature "focus movement by
arrow keys". There is a better way to support this feature, so
implementing it now.


git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/elementary@62168 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
---

diff --git a/src/lib/Elementary.h.in b/src/lib/Elementary.h.in
index 272dbf2..b0e663c 100644
--- a/src/lib/Elementary.h.in
+++ b/src/lib/Elementary.h.in
@@ -320,11 +320,7 @@ extern "C" {
    typedef enum _Elm_Focus_Direction
      {
         ELM_FOCUS_PREVIOUS,
-        ELM_FOCUS_NEXT,
-        ELM_FOCUS_UP,
-        ELM_FOCUS_DOWN,
-        ELM_FOCUS_LEFT,
-        ELM_FOCUS_RIGHT
+        ELM_FOCUS_NEXT
      } Elm_Focus_Direction;
 
    typedef enum _Elm_Text_Format
diff --git a/src/lib/elm_scroller.c b/src/lib/elm_scroller.c
index b25faa7..a49f0e1 100644
--- a/src/lib/elm_scroller.c
+++ b/src/lib/elm_scroller.c
@@ -53,7 +53,6 @@ _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type ty
    if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
    Evas_Event_Key_Down *ev = event_info;
    Widget_Data *wd = elm_widget_data_get(obj);
-
    if (!wd) return EINA_FALSE;
    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
    if (elm_widget_disabled_get(obj)) return EINA_FALSE;
@@ -68,131 +67,27 @@ _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type ty
    Evas_Coord v_h = 0;
    Evas_Coord page_x = 0;
    Evas_Coord page_y = 0;
-   Evas_Coord c_x = 0;
-   Evas_Coord c_y = 0;
 
    elm_smart_scroller_child_pos_get(wd->scr, &x, &y);
    elm_smart_scroller_step_size_get(wd->scr, &step_x, &step_y);
    elm_smart_scroller_page_size_get(wd->scr, &page_x, &page_y);
    elm_smart_scroller_child_viewport_size_get(wd->scr, &v_w, &v_h);
-   evas_object_geometry_get(wd->content, &c_x, &c_y, &max_x, &max_y);
-
-   if ((!strcmp(ev->keyname, "Left")) ||
-       (!strcmp(ev->keyname, "KP_Left")) ||
-       (!strcmp(ev->keyname, "Right")) ||
-       (!strcmp(ev->keyname, "KP_Right")) ||
-       (!strcmp(ev->keyname, "Up"))  ||
-       (!strcmp(ev->keyname, "KP_Up")) ||
-       (!strcmp(ev->keyname, "Down")) ||
-       (!strcmp(ev->keyname, "KP_Down")))
-     {
-        Evas_Object *current_focus = NULL;
-        Evas_Object *new_focus = NULL;
-        Eina_List *can_focus_list = NULL;
-        Evas_Coord f_x = 0;
-        Evas_Coord f_y = 0;
-        Evas_Coord f_w = 0;
-        Evas_Coord f_h = 0;
-
-        current_focus = elm_widget_focused_object_get(obj);
-        evas_object_geometry_get(current_focus, &f_x, &f_y, &f_w, &f_h);
-        can_focus_list = elm_widget_can_focus_child_list_get(obj);
-        if ((current_focus == obj) ||
-            (!ELM_RECTS_INTERSECT(x, y, v_w, v_h,
-                                  (f_x - c_x), (f_y - c_y), f_w, f_h)))
-          {
-             Evas_Object *cur;
-             Eina_List *l;
-             double weight = 0.0;
-
-             EINA_LIST_FOREACH(can_focus_list, l, cur)
-               {
-                  double cur_weight = 0.0;
-                  evas_object_geometry_get(cur, &f_x, &f_y, &f_w, &f_h);
-                  if (ELM_RECTS_INTERSECT(x, y, v_w, v_h,
-                                          (f_x - c_x), (f_y - c_y), f_w, f_h))
-                    {
-                       if ((f_x - c_x) > x)
-                         cur_weight += ((f_x - c_x) - x) * ((f_x - c_x) - x);
-                       if ((f_y - c_y) > y)
-                         cur_weight += ((f_y - c_y) - y) * ((f_y - c_y) - y);
-                       if (cur_weight == 0.0)
-                         {
-                            elm_widget_focus_steal(cur);
-                            return EINA_TRUE;
-                         }
-                       cur_weight = 1.0 / cur_weight;
-                       if (cur_weight > weight)
-                         {
-                            new_focus = cur;
-                            weight = cur_weight;
-                         }
-                    }
-               }
-             if (new_focus)
-               {
-                  elm_widget_focus_steal(new_focus);
-                  return EINA_TRUE;
-               }
-          }
-        else
-          {
-             Evas_Object *tmp = NULL;
-             Elm_Focus_Direction dir = ELM_FOCUS_PREVIOUS;
-             void *(*list_data_get) (const Eina_List *list);
-             list_data_get = eina_list_data_get;
-
-             if ((!strcmp(ev->keyname, "Left")) || (!strcmp(ev->keyname, "KP_Left")))
-               dir = ELM_FOCUS_LEFT;
-             else if ((!strcmp(ev->keyname, "Right")) || (!strcmp(ev->keyname, "KP_Right")))
-               dir = ELM_FOCUS_RIGHT;
-             else if ((!strcmp(ev->keyname, "Up"))  || (!strcmp(ev->keyname, "KP_Up")))
-               dir = ELM_FOCUS_UP;
-             else if ((!strcmp(ev->keyname, "Down")) || (!strcmp(ev->keyname, "KP_Down")))
-               dir = ELM_FOCUS_DOWN;
-
-             if (elm_widget_focus_list_next_get(obj, can_focus_list, list_data_get, dir, &tmp))
-               new_focus = tmp;
-
-             if (new_focus)
-               {
-                  Evas_Coord l_x = 0;
-                  Evas_Coord l_y = 0;
-                  Evas_Coord l_w = 0;
-                  Evas_Coord l_h = 0;
-
-                  evas_object_geometry_get(new_focus, &f_x, &f_y, &f_w, &f_h);
-                  l_x = f_x - c_x - step_x;
-                  l_y = f_y - c_y - step_y;
-                  l_w = f_w + (step_x * 2);
-                  l_h = f_h + (step_y * 2);
-                  if (ELM_RECTS_INTERSECT(x, y, v_w, v_h, l_x, l_y, l_w, l_h))
-                      {
-                       elm_widget_focus_steal(new_focus);
-                       return EINA_TRUE;
-                    }
-               }
-          }
-     }
+   elm_scroller_child_size_get(obj, &max_x, &max_y);
 
    if ((!strcmp(ev->keyname, "Left")) || (!strcmp(ev->keyname, "KP_Left")))
      {
-        if (x <= 0) return EINA_FALSE;
         x -= step_x;
      }
    else if ((!strcmp(ev->keyname, "Right")) || (!strcmp(ev->keyname, "KP_Right")))
      {
-        if (x >= (max_x - v_w)) return EINA_FALSE;
         x += step_x;
      }
    else if ((!strcmp(ev->keyname, "Up"))  || (!strcmp(ev->keyname, "KP_Up")))
      {
-        if (y == 0) return EINA_FALSE;
         y -= step_y;
      }
    else if ((!strcmp(ev->keyname, "Down")) || (!strcmp(ev->keyname, "KP_Down")))
      {
-        if (y >= (max_y - v_h)) return EINA_FALSE;
         y += step_y;
      }
    else if ((!strcmp(ev->keyname, "Home")) || (!strcmp(ev->keyname, "KP_Home")))
diff --git a/src/lib/elm_widget.c b/src/lib/elm_widget.c
index a87dc35..b1212a9 100644
--- a/src/lib/elm_widget.c
+++ b/src/lib/elm_widget.c
@@ -158,10 +158,6 @@ static void _if_focused_revert(Evas_Object *obj,
 static Evas_Object *_newest_focus_order_get(Evas_Object  *obj,
                                             unsigned int *newest_focus_order,
                                             Eina_Bool     can_focus_only);
-static Eina_Bool _focus_list_direction_nearest_get(Evas_Object        *obj,
-                                                Eina_List          *list,
-                                                Elm_Focus_Direction dir,
-                                                Evas_Object       **nearest);
 
 /* local subsystem globals */
 static Evas_Smart *_e_smart = NULL;
@@ -403,96 +399,6 @@ _elm_widget_focus_region_show(const Evas_Object *obj)
      }
 }
 
-static Eina_Bool
-_focus_list_direction_nearest_get(Evas_Object        *obj,
-                                  Eina_List          *list,
-                                  Elm_Focus_Direction dir,
-                                  Evas_Object       **nearest)
-{
-   Evas_Object *cur, *next = NULL;
-   Eina_List *l;
-   double weight = 0.0;
-   Evas_Coord x, y, w, h, cx, cy;
-
-   if (!nearest) return EINA_FALSE;
-   *nearest =  NULL;
-
-   evas_object_geometry_get(obj, &x, &y, &w, &h);
-   cx = x + (w / 2);
-   cy = y + (h / 2);
-
-   EINA_LIST_FOREACH(list, l, cur)
-     {
-        if (obj == cur) continue;
-        Evas_Coord cur_x, cur_y, cur_w, cur_h;
-        int w_gap = 0, h_gap = 0;
-        double cur_weight = 0.0;
-
-        evas_object_geometry_get(cur, &cur_x, &cur_y, &cur_w, &cur_h);
-
-        if (dir == ELM_FOCUS_LEFT)
-          {
-             if (x < (cur_x + cur_w)) continue;
-             w_gap = x - (cur_x + cur_w);
-             if ((cy >= cur_y) && (cy <= (cur_y + cur_h)))
-               h_gap = 0;
-             else if (cy > (cur_y + cur_h))
-               h_gap = cy - (cur_y + cur_h);
-             else if (cy < (cur_y))
-               h_gap = cur_y - cy;
-          }
-        else if (dir == ELM_FOCUS_RIGHT)
-          {
-             if ((x + w) > cur_x) continue;
-             w_gap = cur_x - (x + w);
-             if ((cy >= cur_y) && (cy <= (cur_y + cur_h)))
-               h_gap = 0;
-             else if (cy > (cur_y + cur_h))
-               h_gap = cy - (cur_y + cur_h);
-             else if (cy < (cur_y))
-               h_gap = cur_y - cy;
-          }
-        else if (dir == ELM_FOCUS_UP)
-          {
-             if (y < (cur_y + cur_h)) continue;
-             h_gap = y - (cur_y + cur_h);
-             if ((cx >= cur_x) && (cx <= (cur_x + cur_w)))
-               w_gap = 0;
-             else if (cx < cur_x)
-               w_gap = cur_x - cx;
-             else if (cx > (cur_x + cur_w))
-               w_gap = cur_x + cur_w - cx;
-          }
-        else if (dir == ELM_FOCUS_DOWN)
-          {
-             if ((y + h) > cur_y) continue;
-             h_gap = cur_y - (y + h);
-             if ((cx >= cur_x) && (cx <= (cur_x + cur_w))) w_gap = 0;
-             else if (cx < cur_x)
-               w_gap = cur_x - cx;
-             else if (cx > (cur_x + cur_w))
-               w_gap = cur_x + cur_w - cx;
-          }
-        cur_weight = (w_gap * w_gap) + (h_gap * h_gap);
-
-        if (cur_weight == 0.0)
-          {
-             *nearest = cur;
-             return EINA_TRUE;
-          }
-        cur_weight = 1.0 / cur_weight;
-        if (cur_weight > weight)
-          {
-             weight = cur_weight;
-             next = cur;
-          }
-     }
-   if (!next) return EINA_FALSE;
-   *nearest = next;
-   return EINA_TRUE;
-}
-
-
 /**
  * @defgroup Widget Widget
  *
@@ -1752,110 +1658,64 @@ elm_widget_focus_list_next_get(const Evas_Object  *obj,
         list_next = eina_list_prev;
      }
    else if (dir == ELM_FOCUS_NEXT)
-     {
-        list_next = eina_list_next;
-     }
-   else if ((dir == ELM_FOCUS_LEFT) || (dir == ELM_FOCUS_RIGHT) ||
-            (dir == ELM_FOCUS_UP) || (dir == ELM_FOCUS_DOWN))
-     {
-        list_next = eina_list_next;
-     }
+     list_next = eina_list_next;
    else
      return EINA_FALSE;
 
-   if ((dir == ELM_FOCUS_PREVIOUS) || (dir == ELM_FOCUS_NEXT))
-     {
-        const Eina_List *l = items;
-
-        /* Recovery last focused sub item */
-        if (elm_widget_focus_get(obj))
-          for (; l; l = list_next(l))
-            {
-               Evas_Object *cur = list_data_get(l);
-               if (elm_widget_focus_get(cur)) break;
-            }
+   const Eina_List *l = items;
 
-        const Eina_List *start = l;
-        Evas_Object *to_focus = NULL;
-
-        /* Interate sub items */
-        /* Go to end of list */
-        for (; l; l = list_next(l))
-          {
-             Evas_Object *tmp = NULL;
-             Evas_Object *cur = list_data_get(l);
+   /* Recovery last focused sub item */
+   if (elm_widget_focus_get(obj))
+     for (; l; l = list_next(l))
+       {
+          Evas_Object *cur = list_data_get(l);
+          if (elm_widget_focus_get(cur)) break;
+       }
 
-             if (elm_widget_parent_get(cur) != obj)
-               continue;
+   const Eina_List *start = l;
+   Evas_Object *to_focus = NULL;
 
-             /* Try Focus cycle in subitem */
-             if (elm_widget_focus_next_get(cur, dir, &tmp))
-               {
-                  *next = tmp;
-                  return EINA_TRUE;
-               }
-             else if ((tmp) && (!to_focus))
-               to_focus = tmp;
-          }
+   /* Interate sub items */
+   /* Go to end of list */
+   for (; l; l = list_next(l))
+     {
+        Evas_Object *tmp = NULL;
+        Evas_Object *cur = list_data_get(l);
 
-        l = items;
+        if (elm_widget_parent_get(cur) != obj)
+          continue;
 
-        /* Get First possible */
-        for (; l != start; l = list_next(l))
+        /* Try Focus cycle in subitem */
+        if (elm_widget_focus_next_get(cur, dir, &tmp))
           {
-             Evas_Object *tmp = NULL;
-             Evas_Object *cur = list_data_get(l);
-
-             if (elm_widget_parent_get(cur) != obj)
-               continue;
-
-             /* Try Focus cycle in subitem */
-             elm_widget_focus_next_get(cur, dir, &tmp);
-             if (tmp)
-               {
-                  *next = tmp;
-                  return EINA_FALSE;
-               }
+             *next = tmp;
+             return EINA_TRUE;
           }
-
-        *next = to_focus;
-        return EINA_FALSE;
+        else if ((tmp) && (!to_focus))
+          to_focus = tmp;
      }
-   else if ((dir == ELM_FOCUS_LEFT) || (dir == ELM_FOCUS_RIGHT) ||
-            (dir == ELM_FOCUS_UP) || (dir == ELM_FOCUS_DOWN))
+
+   l = items;
+
+   /* Get First possible */
+   for (; l != start; l = list_next(l))
      {
-        Eina_List *can_focus_list;
         Evas_Object *tmp = NULL;
-        Evas_Object *cur;
+        Evas_Object *cur = list_data_get(l);
 
-        can_focus_list = elm_widget_can_focus_child_list_get(obj);
-        if (can_focus_list)
+        if (elm_widget_parent_get(cur) != obj)
+          continue;
+
+        /* Try Focus cycle in subitem */
+        elm_widget_focus_next_get(cur, dir, &tmp);
+        if (tmp)
           {
-             Eina_List *l;
-             EINA_LIST_FOREACH(can_focus_list, l, cur)
-               {
-                  if (elm_widget_focus_get(cur))
-                    {
-                       if (_focus_list_direction_nearest_get(cur, can_focus_list, dir, &tmp))
-                         {
-                            *next = tmp;
-                            return EINA_TRUE;
-                         }
-                       else
-                         {
-                            *next = cur;
-                            return EINA_FALSE;
-                         }
-                    }
-               }
-             if (elm_widget_focus_get(obj))
-               {
-                  *next = list_data_get(can_focus_list);
-                  return EINA_FALSE;
-               }
+             *next = tmp;
+             return EINA_FALSE;
           }
      }
 
+   *next = to_focus;
    return EINA_FALSE;
 }
 
diff --git a/src/lib/elm_win.c b/src/lib/elm_win.c
index b471ac0..45349e0 100644
--- a/src/lib/elm_win.c
+++ b/src/lib/elm_win.c
@@ -400,30 +400,22 @@ _elm_win_event_cb(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_T
         else if ((!strcmp(ev->keyname, "Left")) ||
                  (!strcmp(ev->keyname, "KP_Left")))
           {
-             elm_widget_focus_cycle(obj, ELM_FOCUS_LEFT);
-             ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
-             return EINA_TRUE;
+             //TODO : woohyun jung
           }
         else if ((!strcmp(ev->keyname, "Right")) ||
                  (!strcmp(ev->keyname, "KP_Right")))
           {
-             elm_widget_focus_cycle(obj, ELM_FOCUS_RIGHT);
-             ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
-             return EINA_TRUE;
+             //TODO : woohyun jung
           }
         else if ((!strcmp(ev->keyname, "Up")) ||
                  (!strcmp(ev->keyname, "KP_Up")))
           {
-             elm_widget_focus_cycle(obj, ELM_FOCUS_UP);
-             ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
-             return EINA_TRUE;
+             //TODO : woohyun jung
           }
         else if ((!strcmp(ev->keyname, "Down")) ||
                  (!strcmp(ev->keyname, "KP_Down")))
           {
-             elm_widget_focus_cycle(obj, ELM_FOCUS_DOWN);
-             ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
-             return EINA_TRUE;
+             //TODO : woohyun jung
           }
      }