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focus: item focus moves by geometry. 

In the widget code, focus origin is added. It can know
the focus movement is originated by which action.
The widgets can choose the item focus moves to last focused item
or geometrically nearby item by focus origin.
In gengrid, focus moves to last focused item if focus origin is
ELM_FOCUS_REVERT. It moves to nearby item if focus origin is from
ELM_FOCUS_UP to ELM_FOCUS_LEFT.

TODO: widgets have items should add the direction feature if it
want the focus to move to nearby item.

@feature
This commit is contained in:
Jaehwan Kim 2015-08-13 13:45:21 +09:00
parent 085734310a
commit 1bc01460c4
6 changed files with 91 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
legacy/elementary/src/lib/elm_focus.h
View File

@ -45,7 +45,9 @@ typedef enum
ELM_FOCUS_UP, /**< up direction */
ELM_FOCUS_DOWN, /**< down direction */
ELM_FOCUS_RIGHT, /**< right direction */
ELM_FOCUS_LEFT /**< left direction */
ELM_FOCUS_LEFT, /**< left direction */
ELM_FOCUS_MOUSE, /**< direction is from mouse */
ELM_FOCUS_REVERT /**< direction is from focus revert */
} Elm_Focus_Direction;
/**

40
legacy/elementary/src/lib/elm_gengrid.c
View File

@ -3524,12 +3524,47 @@ _elm_gengrid_nearest_visible_item_get(Evas_Object *obj, Elm_Object_Item *eo_it)
return eo_it;
}
static Elm_Object_Item *
_elm_gengrid_direction_item_get(Evas_Object *obj, Elm_Focus_Direction dir)
{
double max_weight = 0.0, weight = 0.0;
Eina_List *item_list = NULL, *l = NULL;
Elm_Object_Item *eo_item = NULL, *best_item = NULL;
Evas_Object *fobj = _elm_widget_focus_highlight_object_get(obj);
double degree = 0.0;
if (dir == ELM_FOCUS_UP) degree = 0.0;
else if (dir == ELM_FOCUS_DOWN) degree = 180.0;
else if (dir == ELM_FOCUS_RIGHT) degree = 90.0;
else if (dir == ELM_FOCUS_LEFT) degree = 270.0;
item_list = elm_gengrid_realized_items_get(obj);
best_item = elm_gengrid_first_item_get(obj);
EINA_LIST_FOREACH(item_list, l, eo_item)
{
ELM_GENGRID_ITEM_DATA_GET(eo_item, item);
weight = _elm_widget_focus_direction_weight_get(fobj, VIEW(item), degree);
if ((weight == -1.0) ||
((weight != 0.0) && (max_weight != -1.0) &&
((int)(max_weight * 100000000) < (int)(weight * 100000000))))
{
best_item = eo_item;
max_weight = weight;
}
}
eina_list_free(item_list);
return best_item;
}
EOLIAN static Eina_Bool
_elm_gengrid_elm_widget_on_focus(Eo *obj, Elm_Gengrid_Data *sd)
{
Eina_Bool int_ret = EINA_FALSE;
Elm_Object_Item *eo_it = NULL;
Eina_Bool is_sel = EINA_FALSE;
Elm_Focus_Direction focus_origin;
eo_do_super(obj, MY_CLASS, int_ret = elm_obj_widget_on_focus());
if (!int_ret) return EINA_FALSE;
@ -3543,7 +3578,10 @@ _elm_gengrid_elm_widget_on_focus(Eo *obj, Elm_Gengrid_Data *sd)
if (elm_widget_focus_get(obj) && !sd->mouse_down)
{
if (sd->last_focused_item)
focus_origin = elm_widget_focus_origin_get(obj);
if (focus_origin >= ELM_FOCUS_UP && focus_origin <= ELM_FOCUS_LEFT)
eo_it = _elm_gengrid_direction_item_get(obj, focus_origin);
else if (sd->last_focused_item)
eo_it = sd->last_focused_item;
else if (sd->last_selected_item)
eo_it = sd->last_selected_item;

26
legacy/elementary/src/lib/elm_widget.c
View File

@ -63,6 +63,7 @@ struct _Elm_Translate_String_Data
/* local subsystem globals */
static unsigned int focus_order = 0;
Elm_Focus_Direction focus_origin = -1;
static inline Eina_Bool
_elm_widget_is(const Evas_Object *obj)
@ -173,6 +174,16 @@ _elm_widget_focus_highlight_start(const Evas_Object *obj)
_elm_win_focus_highlight_start(top);
}
Evas_Object *
_elm_widget_focus_highlight_object_get(const Evas_Object *obj)
{
Evas_Object *top = elm_widget_top_get(obj);
if (top && eo_isa(top, ELM_WIN_CLASS))
return _elm_win_focus_highlight_object_get(top);
return NULL;
}
EAPI Eina_Bool
elm_widget_focus_highlight_enabled_get(const Evas_Object *obj)
{
@ -385,6 +396,7 @@ _if_focused_revert(Evas_Object *obj,
if (!sd->focused) return;
if (!sd->parent_obj) return;
focus_origin = ELM_FOCUS_REVERT;
top = elm_widget_top_get(sd->parent_obj);
if (top)
{
@ -1835,6 +1847,7 @@ _elm_widget_focus_cycle(Eo *obj, Elm_Widget_Smart_Data *_pd EINA_UNUSED, Elm_Foc
Evas_Object *target = NULL;
if (!_elm_widget_is(obj))
return;
focus_origin = dir;
elm_widget_focus_next_get(obj, dir, &target);
if (target)
{
@ -1892,8 +1905,8 @@ _elm_widget_focus_direction_go(Eo *obj, Elm_Widget_Smart_Data *_pd EINA_UNUSED,
return EINA_FALSE;
}
static double
_direction_weight_get(const Evas_Object *obj1,
double
_elm_widget_focus_direction_weight_get(const Evas_Object *obj1,
const Evas_Object *obj2,
double degree)
{
@ -2260,7 +2273,7 @@ _elm_widget_focus_direction_get(const Eo *obj, Elm_Widget_Smart_Data *sd, const
if (!elm_widget_can_focus_get(obj) || elm_widget_focus_get(obj))
return EINA_FALSE;
c_weight = _direction_weight_get(base, obj, degree);
c_weight = _elm_widget_focus_direction_weight_get(base, obj, degree);
if ((c_weight == -1.0) ||
((c_weight != 0.0) && (*weight != -1.0) &&
((int)(*weight * 1000000) <= (int)(c_weight * 1000000))))
@ -2353,6 +2366,7 @@ _elm_widget_focus_next_get(const Eo *obj, Elm_Widget_Smart_Data *sd, Elm_Focus_D
return EINA_FALSE;
*next = NULL;
focus_origin = dir;
/* Ignore if disabled */
if (_elm_config->access_mode && _elm_access_auto_highlight_get())
{
@ -3993,6 +4007,12 @@ _elm_widget_focused_item_get(Eo *obj EINA_UNUSED, Elm_Widget_Smart_Data *_pd EIN
return NULL;
}
EOLIAN static Elm_Focus_Direction
_elm_widget_focus_origin_get(Eo *obj EINA_UNUSED, Elm_Widget_Smart_Data *_pd EINA_UNUSED)
{
return focus_origin;
}
EOLIAN static void
_elm_widget_focus_region_show_mode_set(Eo *obj EINA_UNUSED, Elm_Widget_Smart_Data *_pd, Elm_Focus_Region_Show_Mode mode)
{

5
legacy/elementary/src/lib/elm_widget.eo
View File

@ -364,6 +364,11 @@ abstract Elm.Widget (Evas.Object_Smart, Elm_Interface_Atspi_Accessible, Elm_Inte
return: Evas.Object *;
}
}
@property focus_origin {
get {
return: Elm_Focus_Direction;
}
}
@property parent2 {
set {
}

4
legacy/elementary/src/lib/elm_widget.h
View File

@ -534,6 +534,7 @@ void _elm_widget_highlight_in_theme_update(Eo *obj);
// win focus highlight
void _elm_win_focus_highlight_start(Evas_Object *obj);
void _elm_win_focus_highlight_in_theme_update(Evas_Object *obj, Eina_Bool in_theme);
Evas_Object *_elm_win_focus_highlight_object_get(Evas_Object *obj);
void _elm_win_focus_auto_show(Evas_Object *obj);
void _elm_win_focus_auto_hide(Evas_Object *obj);
@ -690,6 +691,8 @@ EAPI Evas_Object *elm_widget_newest_focus_order_get(const Evas_Object *obj,
EAPI void elm_widget_display_mode_set(Evas_Object *obj, Evas_Display_Mode dispmode);
EAPI Eina_Bool elm_widget_focus_highlight_enabled_get(const Evas_Object *obj);
EAPI void elm_widget_focus_highlight_focus_part_geometry_get(const Evas_Object *obj, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h);
Evas_Object *_elm_widget_focus_highlight_object_get(const Evas_Object *obj);
double _elm_widget_focus_direction_weight_get(const Evas_Object *obj1, const Evas_Object *obj2, double degree);
EAPI const Elm_Widget_Smart_Class *elm_widget_smart_class_get(void);
/**
@ -776,6 +779,7 @@ EAPI void elm_widget_focus_move_policy_set(Evas_Object *obj, Elm_Foc
EAPI Elm_Focus_Move_Policy elm_widget_focus_move_policy_get(const Evas_Object *obj);
EAPI void elm_widget_focus_region_show_mode_set(Evas_Object *obj, Elm_Focus_Region_Show_Mode mode);
EAPI Elm_Focus_Region_Show_Mode elm_widget_focus_region_show_mode_get(const Evas_Object *obj);
EAPI Elm_Focus_Direction elm_widget_focus_origin_get(const Evas_Object *obj);
/**
* Function to operate on a given widget's scrollabe children when necessary.

18
legacy/elementary/src/lib/elm_win.c
View File

@ -880,6 +880,14 @@ _elm_win_focus_highlight_visible_set(Elm_Win_Data *sd,
}
}
Evas_Object *
_elm_win_focus_highlight_object_get(Evas_Object *obj)
{
ELM_WIN_DATA_GET(obj, sd);
return sd->focus_highlight.fobj;
}
static void
_elm_win_focus_highlight_anim_setup(Elm_Win_Data *sd,
Evas_Object *obj)
@ -992,7 +1000,15 @@ _elm_win_focus_highlight_reconfigure_job(void *data)
elm_widget_signal_emit(target, sig, "elm");
if ((!target) || (!common_visible) || (sd->focus_highlight.cur.in_theme))
goto the_end;
{
if (target)
{
Elm_Focus_Direction focus_origin = elm_widget_focus_origin_get(target);
if (focus_origin >= ELM_FOCUS_UP && focus_origin <= ELM_FOCUS_LEFT)
_elm_win_focus_highlight_simple_setup(sd, fobj);
}
goto the_end;
}
if (previous)
focus_style_previous = elm_widget_focus_highlight_style_get(previous);