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elementary : Focus movement is possible with arrow keys. You can check 

this feature in elementary_test -> focus. 


SVN revision: 62125
This commit is contained in:
WooHyun Jung 2011-08-05 08:25:07 +00:00
parent 813e805e28
commit 85351c10c5
5 changed files with 262 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
legacy/elementary/src/bin/test_focus.c
View File

@ -91,7 +91,8 @@ test_focus(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info
{
Evas_Object *lb = elm_label_add(win);
elm_object_text_set(lb,
"<b>Use Tab and Shift+Tab</b>"
"<b>Use Tab, Shift+Tab, and<br>"
"Arrow Keys</b>"
);
evas_object_size_hint_weight_set(lb, 0.0, 0.0);
evas_object_size_hint_align_set(lb, EVAS_HINT_FILL,

6
legacy/elementary/src/lib/Elementary.h.in
View File

@ -320,7 +320,11 @@ extern "C" {
typedef enum _Elm_Focus_Direction
{
ELM_FOCUS_PREVIOUS,
ELM_FOCUS_NEXT
ELM_FOCUS_NEXT,
ELM_FOCUS_UP,
ELM_FOCUS_DOWN,
ELM_FOCUS_LEFT,
ELM_FOCUS_RIGHT
} Elm_Focus_Direction;
typedef enum _Elm_Text_Format

271
legacy/elementary/src/lib/elm_widget.c
View File

@ -158,6 +158,10 @@ 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;
@ -399,6 +403,96 @@ _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
*
@ -1147,6 +1241,47 @@ elm_widget_tree_unfocusable_get(const Evas_Object *obj)
return sd->tree_unfocusable;
}
/**
* @internal
*
* Get the list of focusable child objects.
*
* This function retruns list of child objects which can get focus.
*
* @param obj The parent widget
* @retrun list of focusable child objects.
*
* @ingroup Widget
*/
EAPI Eina_List *
elm_widget_can_focus_child_list_get(const Evas_Object *obj)
{
API_ENTRY return NULL;
const Eina_List *l;
Eina_List *child_list = NULL;
Evas_Object *child;
if (sd->subobjs)
{
EINA_LIST_FOREACH(sd->subobjs, l, child)
{
if ((elm_widget_can_focus_get(child)) &&
(evas_object_visible_get(child)) &&
(!elm_widget_disabled_get(child)))
child_list = eina_list_append(child_list, child);
else if (elm_widget_is(child))
{
Eina_List *can_focus_list;
can_focus_list = elm_widget_can_focus_child_list_get(child);
if (can_focus_list)
child_list = eina_list_merge(child_list, can_focus_list);
}
}
}
return child_list;
}
EAPI void
elm_widget_highlight_ignore_set(Evas_Object *obj,
Eina_Bool ignore)
@ -1598,7 +1733,7 @@ elm_widget_focus_list_next_get(const Evas_Object *obj,
Elm_Focus_Direction dir,
Evas_Object **next)
{
Eina_List *(*list_next)(const Eina_List * list);
Eina_List *(*list_next)(const Eina_List * list) = NULL;
if (!next)
return EINA_FALSE;
@ -1617,64 +1752,110 @@ 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;
{
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;
}
else
return EINA_FALSE;
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 *start = l;
Evas_Object *to_focus = NULL;
/* Interate sub items */
/* Go to end of list */
for (; l; l = list_next(l))
if ((dir == ELM_FOCUS_PREVIOUS) || (dir == ELM_FOCUS_NEXT))
{
Evas_Object *tmp = NULL;
Evas_Object *cur = list_data_get(l);
const Eina_List *l = items;
if (elm_widget_parent_get(cur) != obj)
continue;
/* 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;
}
/* Try Focus cycle in subitem */
if (elm_widget_focus_next_get(cur, dir, &tmp))
const Eina_List *start = l;
Evas_Object *to_focus = NULL;
/* Interate sub items */
/* Go to end of list */
for (; l; l = list_next(l))
{
*next = tmp;
return EINA_TRUE;
Evas_Object *tmp = NULL;
Evas_Object *cur = list_data_get(l);
if (elm_widget_parent_get(cur) != obj)
continue;
/* 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;
}
else if ((tmp) && (!to_focus))
to_focus = tmp;
}
l = items;
l = items;
/* Get First possible */
for (; l != start; l = list_next(l))
{
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)
/* Get First possible */
for (; l != start; l = list_next(l))
{
*next = tmp;
return EINA_FALSE;
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 = to_focus;
return EINA_FALSE;
}
else if ((dir == ELM_FOCUS_LEFT) || (dir == ELM_FOCUS_RIGHT) ||
(dir == ELM_FOCUS_UP) || (dir == ELM_FOCUS_DOWN))
{
Eina_List *can_focus_list;
Evas_Object *tmp = NULL;
Evas_Object *cur;
can_focus_list = elm_widget_can_focus_child_list_get(obj);
if (can_focus_list)
{
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 = to_focus;
return EINA_FALSE;
}

1
legacy/elementary/src/lib/elm_widget.h
View File

@ -269,6 +269,7 @@ EAPI void *elm_widget_signal_callback_del(Evas_Object *obj, const cha
EAPI void elm_widget_can_focus_set(Evas_Object *obj, Eina_Bool can_focus);
EAPI Eina_Bool elm_widget_can_focus_get(const Evas_Object *obj);
EAPI Eina_Bool elm_widget_child_can_focus_get(const Evas_Object *obj);
EAPI Eina_List *elm_widget_can_focus_child_list_get(const Evas_Object *obj);
EAPI void elm_widget_tree_unfocusable_set(Evas_Object *obj, Eina_Bool tree_unfocusable);
EAPI Eina_Bool elm_widget_tree_unfocusable_get(const Evas_Object *obj);
EAPI void elm_widget_highlight_ignore_set(Evas_Object *obj, Eina_Bool ignore);

28
legacy/elementary/src/lib/elm_win.c
View File

@ -397,6 +397,34 @@ _elm_win_event_cb(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_T
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
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;
}
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;
}
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;
}
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;
}
}
return EINA_FALSE;