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elementary/elm_scroller : Modified event_hook function. Now arrow keys 

will move focus among scroller's child objects.


SVN revision: 62126
This commit is contained in:
WooHyun Jung 2011-08-05 08:31:25 +00:00
parent 85351c10c5
commit 9778bd956d
1 changed files with 106 additions and 1 deletions
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107
legacy/elementary/src/lib/elm_scroller.c
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@ -53,6 +53,7 @@ _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;
@ -67,27 +68,131 @@ _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);
elm_scroller_child_size_get(obj, &max_x, &max_y);
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;
}
}
}
}
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")))