efl/src/lib/elementary/efl_ui_box.c

573 lines
15 KiB
C

#include "efl_ui_box_private.h"
#define MY_CLASS EFL_UI_BOX_CLASS
#define MY_CLASS_NAME "Efl.Ui.Box"
/* COPIED FROM ELM_BOX
* - removed transition stuff (TODO: add back - needs clean API first)
*/
static const char SIG_CHILD_ADDED[] = "child,added";
static const char SIG_CHILD_REMOVED[] = "child,removed";
static const Evas_Smart_Cb_Description _smart_callbacks[] = {
{SIG_CHILD_ADDED, ""},
{SIG_CHILD_REMOVED, ""},
{NULL, NULL}
};
static void
_child_added_cb_proxy(void *data, const Efl_Event *event)
{
Evas_Object *box = data;
Evas_Object_Box_Option *opt = event->info;
efl_event_callback_legacy_call(box, EFL_CONTAINER_EVENT_CONTENT_ADDED, opt->obj);
}
static void
_child_removed_cb_proxy(void *data, const Efl_Event *event)
{
Evas_Object *box = data;
Evas_Object *child = event->info;
efl_event_callback_legacy_call(box, EFL_CONTAINER_EVENT_CONTENT_REMOVED, child);
}
static void
_sizing_eval(Evas_Object *obj, Efl_Ui_Box_Data *sd)
{
Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
Evas_Coord w, h;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
if (!efl_alive_get(obj)) return;
if (sd->delete_me)
return;
evas_object_size_hint_combined_min_get(wd->resize_obj, &minw, &minh);
evas_object_size_hint_max_get(wd->resize_obj, &maxw, &maxh);
evas_object_size_hint_min_set(obj, minw, minh);
evas_object_size_hint_max_set(obj, maxw, maxh);
evas_object_geometry_get(obj, NULL, NULL, &w, &h);
if (w < minw) w = minw;
if (h < minh) h = minh;
if ((maxw >= 0) && (w > maxw)) w = maxw;
if ((maxh >= 0) && (h > maxh)) h = maxh;
evas_object_resize(obj, w, h);
}
static void
_on_size_hints_changed(void *data, Evas *e EINA_UNUSED,
Evas_Object *resizeobj, void *event_info EINA_UNUSED)
{
Efl_Ui_Box *obj = data;
Efl_Ui_Box_Data *pd = efl_data_scope_get(obj, EFL_UI_BOX_CLASS);
if (obj == resizeobj)
efl_pack_layout_request(obj);
else
_sizing_eval(data, pd);
}
static void
_evas_box_custom_layout(Evas_Object *evas_box EINA_UNUSED,
Evas_Object_Box_Data *bd EINA_UNUSED, void *data)
{
Efl_Ui_Box *obj = data;
efl_pack_layout_update(obj);
}
EOLIAN static void
_efl_ui_box_homogeneous_set(Eo *obj EINA_UNUSED, Efl_Ui_Box_Data *pd, Eina_Bool homogeneous)
{
pd->homogeneous = !!homogeneous;
}
EOLIAN static Eina_Bool
_efl_ui_box_homogeneous_get(const Eo *obj EINA_UNUSED, Efl_Ui_Box_Data *pd)
{
return pd->homogeneous;
}
EOLIAN static void
_efl_ui_box_efl_pack_layout_layout_update(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
Evas_Object_Box_Data *bd;
bd = evas_object_smart_data_get(wd->resize_obj);
_efl_ui_box_custom_layout(obj, bd);
efl_event_callback_legacy_call(obj, EFL_PACK_EVENT_LAYOUT_UPDATED, NULL);
}
EOLIAN static void
_efl_ui_box_efl_canvas_group_group_calculate(Eo *obj, Efl_Ui_Box_Data *pd)
{
if (pd->recalc) return;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
evas_object_smart_need_recalculate_set(wd->resize_obj, EINA_TRUE);
pd->recalc = EINA_TRUE;
evas_object_smart_calculate(wd->resize_obj);
pd->recalc = EINA_FALSE;
}
EOLIAN static void
_efl_ui_box_efl_canvas_group_group_add(Eo *obj, Efl_Ui_Box_Data *_pd EINA_UNUSED)
{
Evas *e = evas_object_evas_get(obj);
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
elm_widget_resize_object_set(obj, evas_object_box_add(e));
evas_object_box_layout_set(wd->resize_obj, _evas_box_custom_layout, obj, NULL);
evas_object_event_callback_add(wd->resize_obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _on_size_hints_changed, obj);
evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _on_size_hints_changed, obj);
efl_canvas_group_add(efl_super(obj, MY_CLASS));
elm_widget_sub_object_parent_add(obj);
efl_event_callback_add(wd->resize_obj, EVAS_BOX_EVENT_CHILD_ADDED, _child_added_cb_proxy, obj);
efl_event_callback_add(wd->resize_obj, EVAS_BOX_EVENT_CHILD_REMOVED, _child_removed_cb_proxy, obj);
elm_widget_can_focus_set(obj, EINA_FALSE);
elm_widget_highlight_ignore_set(obj, EINA_TRUE);
}
EOLIAN static void
_efl_ui_box_efl_canvas_group_group_del(Eo *obj, Efl_Ui_Box_Data *sd)
{
Eina_List *l;
Evas_Object *child;
sd->delete_me = EINA_TRUE;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
evas_object_event_callback_del_full
(wd->resize_obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_on_size_hints_changed, obj);
/* let's make our box object the *last* to be processed, since it
* may (smart) parent other sub objects here */
EINA_LIST_FOREACH (wd->subobjs, l, child)
{
if (child == wd->resize_obj)
{
wd->subobjs =
eina_list_demote_list(wd->subobjs, l);
break;
}
}
efl_canvas_group_del(efl_super(obj, MY_CLASS));
}
EOLIAN static Eo *
_efl_ui_box_efl_object_constructor(Eo *obj, Efl_Ui_Box_Data *pd)
{
obj = efl_constructor(efl_super(obj, MY_CLASS));
efl_canvas_object_type_set(obj, MY_CLASS_NAME);
evas_object_smart_callbacks_descriptions_set(obj, _smart_callbacks);
efl_access_object_access_type_set(obj, EFL_ACCESS_TYPE_SKIPPED);
efl_access_object_role_set(obj, EFL_ACCESS_ROLE_FILLER);
pd->align.h = 0.5;
pd->align.v = 0.5;
return obj;
}
/* CLEAN API BELOW */
EOLIAN static int
_efl_ui_box_efl_container_content_count(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED)
{
Evas_Object_Box_Data *bd;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, 0);
bd = evas_object_smart_data_get(wd->resize_obj);
return bd ? eina_list_count(bd->children) : 0;
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_container_content_remove(Eo *obj EINA_UNUSED, Efl_Ui_Box_Data *pd EINA_UNUSED, Efl_Gfx_Entity *content)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, 0);
return evas_object_box_remove(wd->resize_obj, content);
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_pack_clear(Eo *obj, Efl_Ui_Box_Data *pd)
{
Eina_Bool ret;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
ret = evas_object_box_remove_all(wd->resize_obj, EINA_TRUE);
_sizing_eval(obj, pd);
return ret;
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_unpack_all(Eo *obj, Efl_Ui_Box_Data *pd)
{
Evas_Object_Box_Data *bd;
Evas_Object_Box_Option *opt;
Eina_List *l;
Eina_Bool ret;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
/* set this to block _sizing_eval() calls */
pd->delete_me = EINA_TRUE;
bd = evas_object_smart_data_get(wd->resize_obj);
EINA_LIST_FOREACH(bd->children, l, opt)
_elm_widget_sub_object_redirect_to_top(obj, opt->obj);
pd->delete_me = EINA_FALSE;
ret = evas_object_box_remove_all(wd->resize_obj, EINA_FALSE);
_sizing_eval(obj, pd);
return ret;
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_unpack(Eo *obj, Efl_Ui_Box_Data *pd, Efl_Gfx_Entity *subobj)
{
Eina_Bool ret = EINA_FALSE;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
if (evas_object_box_remove(wd->resize_obj, subobj))
{
ret = _elm_widget_sub_object_redirect_to_top(obj, subobj);
_sizing_eval(obj, pd);
}
return ret;
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_pack(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED, Efl_Gfx_Entity *subobj)
{
return efl_pack_end(obj, subobj);
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_linear_pack_end(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED, Efl_Gfx_Entity *subobj)
{
Eina_Bool ret;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
ret = elm_widget_sub_object_add(obj, subobj);
ret &= (evas_object_box_append(wd->resize_obj, subobj) != NULL);
return ret;
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_linear_pack_begin(Eo *obj, Efl_Ui_Box_Data *_pd EINA_UNUSED, Efl_Gfx_Entity *subobj)
{
Eina_Bool ret;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
ret = elm_widget_sub_object_add(obj, subobj);
ret &= (evas_object_box_prepend(wd->resize_obj, subobj) != NULL);
return ret;
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_linear_pack_before(Eo *obj, Efl_Ui_Box_Data *_pd EINA_UNUSED, Efl_Gfx_Entity *subobj, const Efl_Gfx_Entity *existing)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
if (!elm_widget_sub_object_add(obj, subobj))
return EINA_FALSE;
if (!evas_object_box_insert_before(wd->resize_obj, subobj, existing))
{
elm_widget_sub_object_del(obj, subobj);
return EINA_FALSE;
}
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_linear_pack_after(Eo *obj, Efl_Ui_Box_Data *_pd EINA_UNUSED, Efl_Gfx_Entity *subobj, const Efl_Gfx_Entity *existing)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
if (!elm_widget_sub_object_add(obj, subobj))
return EINA_FALSE;
if (!evas_object_box_insert_after(wd->resize_obj, subobj, existing))
{
elm_widget_sub_object_del(obj, subobj);
return EINA_FALSE;
}
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_efl_ui_box_efl_pack_linear_pack_at(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED,
Efl_Gfx_Entity *subobj, int index)
{
if (!index)
return efl_pack_begin(obj, subobj);
else if (index == -1)
return efl_pack_end(obj, subobj);
else
{
Evas_Object_Box_Data *bd;
int cnt;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
bd = evas_object_smart_data_get(wd->resize_obj);
cnt = eina_list_count(bd ? bd->children : NULL);
if (!cnt)
index = 0;
else
{
index %= cnt;
if (index < 0) index += cnt;
}
return (evas_object_box_insert_at(wd->resize_obj, subobj, index) != NULL);
}
}
static inline Efl_Gfx_Entity *
_box_item(Evas_Object_Box_Option *opt)
{
return opt ? opt->obj : NULL;
}
EOLIAN static Efl_Gfx_Entity *
_efl_ui_box_efl_pack_linear_pack_content_get(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED,
int index)
{
Evas_Object_Box_Data *bd;
int cnt;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, NULL);
bd = evas_object_smart_data_get(wd->resize_obj);
if (!bd || !bd->children) return NULL;
if (!index)
return _box_item(eina_list_data_get(bd->children));
else if (index == -1)
return _box_item(eina_list_last_data_get(bd->children));
cnt = eina_list_count(bd->children);
if (!cnt) return NULL;
if (index >= (cnt - 1))
return _box_item(eina_list_last_data_get(bd->children));
else if (index <= (-cnt))
return _box_item(eina_list_data_get(bd->children));
// this should loop only once
while (index < 0)
index += cnt;
return _box_item(eina_list_nth(bd->children, index));
}
EOLIAN static Efl_Gfx_Entity *
_efl_ui_box_efl_pack_linear_pack_unpack_at(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED,
int index)
{
Efl_Gfx_Entity *content;
content = efl_pack_content_get(obj, index);
if (!content) return NULL;
if (!efl_pack_unpack(obj, content))
return NULL;
return content;
}
EOLIAN static int
_efl_ui_box_efl_pack_linear_pack_index_get(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED,
const Efl_Gfx_Entity *subobj)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, -1);
Evas_Object_Box_Data *bd;
Evas_Object_Box_Option *opt;
Eina_List *l;
int k = 0;
if (evas_object_smart_parent_get(subobj) != wd->resize_obj)
goto end;
bd = evas_object_smart_data_get(wd->resize_obj);
EINA_LIST_FOREACH(bd->children, l, opt)
{
if (opt->obj == subobj)
return k;
k++;
}
end:
ERR("object %p (%s) is not a child of %p (%s)",
subobj, efl_class_name_get(subobj), obj, efl_class_name_get(obj));
return -1;
}
EOLIAN static void
_efl_ui_box_efl_pack_layout_layout_request(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED)
{
evas_object_smart_need_recalculate_set(obj, EINA_TRUE);
}
static Eina_Bool
_box_item_iterator_next(Box_Item_Iterator *it, void **data)
{
Efl_Gfx_Entity *sub;
if (!eina_iterator_next(it->real_iterator, (void **) &sub))
return EINA_FALSE;
if (data) *data = sub;
return EINA_TRUE;
}
static Eo *
_box_item_iterator_get_container(Box_Item_Iterator *it)
{
return it->object;
}
static void
_box_item_iterator_free(Box_Item_Iterator *it)
{
eina_iterator_free(it->real_iterator);
eina_list_free(it->list);
free(it);
}
EOLIAN static Eina_Iterator *
_efl_ui_box_efl_container_content_iterate(Eo *obj, Efl_Ui_Box_Data *pd EINA_UNUSED)
{
Box_Item_Iterator *it;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, NULL);
it = calloc(1, sizeof(*it));
if (!it) return NULL;
EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR);
it->list = evas_object_box_children_get(wd->resize_obj);
it->real_iterator = eina_list_iterator_new(it->list);
it->iterator.version = EINA_ITERATOR_VERSION;
it->iterator.next = FUNC_ITERATOR_NEXT(_box_item_iterator_next);
it->iterator.get_container = FUNC_ITERATOR_GET_CONTAINER(_box_item_iterator_get_container);
it->iterator.free = FUNC_ITERATOR_FREE(_box_item_iterator_free);
it->object = obj;
return &it->iterator;
}
EOLIAN static void
_efl_ui_box_efl_ui_direction_direction_set(Eo *obj, Efl_Ui_Box_Data *pd, Efl_Ui_Dir dir)
{
switch (dir)
{
case EFL_UI_DIR_RTL:
// FIXME: Should be inverted!
case EFL_UI_DIR_HORIZONTAL:
case EFL_UI_DIR_LTR:
pd->dir = EFL_UI_DIR_HORIZONTAL;
break;
case EFL_UI_DIR_UP:
// FIXME: Should be inverted!
case EFL_UI_DIR_DOWN:
case EFL_UI_DIR_VERTICAL:
case EFL_UI_DIR_DEFAULT:
default:
pd->dir = EFL_UI_DIR_VERTICAL;
break;
}
efl_pack_layout_request(obj);
}
EOLIAN static Efl_Ui_Dir
_efl_ui_box_efl_ui_direction_direction_get(const Eo *obj EINA_UNUSED, Efl_Ui_Box_Data *pd)
{
return pd->dir;
}
EOLIAN static void
_efl_ui_box_efl_pack_pack_padding_set(Eo *obj, Efl_Ui_Box_Data *pd, double h, double v, Eina_Bool scalable)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
if (h < 0) h = 0;
if (v < 0) v = 0;
pd->pad.h = h;
pd->pad.v = v;
pd->pad.scalable = !!scalable;
if (pd->pad.scalable)
{
double scale = elm_object_scale_get(obj);
evas_object_box_padding_set(wd->resize_obj, h * scale, v * scale);
}
else
evas_object_box_padding_set(wd->resize_obj, h, v);
}
EOLIAN static void
_efl_ui_box_efl_pack_pack_padding_get(const Eo *obj, Efl_Ui_Box_Data *pd, double *h, double *v, Eina_Bool *scalable)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
if (scalable) *scalable = pd->pad.scalable;
if (h) *h = pd->pad.h;
if (v) *v = pd->pad.v;
}
EOLIAN static void
_efl_ui_box_efl_pack_pack_align_set(Eo *obj, Efl_Ui_Box_Data *pd, double h, double v)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
if (h < 0) h = -1;
if (v < 0) v = -1;
if (h > 1) h = 1;
if (v > 1) v = 1;
pd->align.h = h;
pd->align.v = v;
evas_object_box_align_set(wd->resize_obj, h, v);
efl_pack_layout_request(obj);
}
EOLIAN static void
_efl_ui_box_efl_pack_pack_align_get(const Eo *obj EINA_UNUSED, Efl_Ui_Box_Data *pd, double *h, double *v)
{
if (h) *h = pd->align.h;
if (v) *v = pd->align.v;
}
/* Internal EO APIs and hidden overrides */
#define EFL_UI_BOX_EXTRA_OPS \
EFL_CANVAS_GROUP_ADD_DEL_OPS(efl_ui_box)
#include "efl_ui_box.eo.c"