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efl/src/lib/elementary/efl_ui_collection.c

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#ifdef HAVE_CONFIG_H
#include "elementary_config.h"
#endif
#define ELM_LAYOUT_PROTECTED
#define EFL_UI_SCROLL_MANAGER_PROTECTED
#define EFL_UI_SCROLLBAR_PROTECTED
#define EFL_UI_WIDGET_FOCUS_MANAGER_PROTECTED
#include <Efl_Ui.h>
#include <Elementary.h>
#include "elm_widget.h"
#include "elm_priv.h"
#include "efl_ui_collection_focus_manager.eo.h"
typedef struct {
Eo *collection;
} Efl_Ui_Collection_Focus_Manager_Data;
typedef struct {
unsigned int last_index;
const Eina_List *current;
Eina_List **items;
} Fast_Accessor;
static const Eina_List*
_fast_accessor_get_at(Fast_Accessor *accessor, unsigned int idx)
{
const Eina_List *over;
unsigned int middle;
unsigned int i;
if (idx >= eina_list_count(*accessor->items))
return NULL;
if (accessor->last_index == idx)
over = accessor->current;
else if (idx > accessor->last_index)
{
/* After current position. */
middle = ((eina_list_count(*accessor->items) - accessor->last_index))/2;
if (idx > middle)
/* Go backward from the end. */
for (i = eina_list_count(*accessor->items) - 1,
over = eina_list_last(*accessor->items);
i > idx && over;
--i, over = eina_list_prev(over))
;
else
/* Go forward from current. */
for (i = accessor->last_index, over = accessor->current;
i < idx && over;
++i, over = eina_list_next(over))
;
}
else
{
/* Before current position. */
middle = accessor->last_index/2;
if (idx > middle)
/* Go backward from current. */
for (i = accessor->last_index, over = accessor->current;
i > idx && over;
--i, over = eina_list_prev(over))
;
else
/* Go forward from start. */
for (i = 0, over = *accessor->items;
i < idx && over;
++i, over = eina_list_next(over))
;
}
if (!over)
return NULL;
accessor->last_index = idx;
accessor->current = over;
return over;
}
static void
_fast_accessor_init(Fast_Accessor *accessor, Eina_List **items)
{
//this is the accessor for accessing the items
//we have to workarround here the problem that
//no accessor can be created for a not yet created list.
accessor->items = items;
}
static void
_fast_accessor_remove(Fast_Accessor *accessor, const Eina_List *removed_elem)
{
if (accessor->current == removed_elem)
{
Eina_List *next;
Eina_List *prev;
next = eina_list_next(removed_elem);
prev = eina_list_prev(removed_elem);
if (next)
{
accessor->current = next;
accessor->last_index ++;
}
else if (prev)
{
accessor->current = prev;
accessor->last_index --;
}
else
{
//everything >= length is invalid, and we need that.
accessor->last_index = eina_list_count(*accessor->items);
accessor->current = NULL;
}
}
}
#define MY_CLASS EFL_UI_COLLECTION_CLASS
#define MY_DATA_GET(obj, pd) \
Efl_Ui_Collection_Data *pd = efl_data_scope_get(obj, MY_CLASS);
typedef struct {
Efl_Ui_Scroll_Manager *smanager;
Efl_Ui_Pan *pan;
Eina_List *selected;
Eina_List *items;
Efl_Ui_Selection *fallback;
Efl_Ui_Select_Mode mode;
Efl_Ui_Layout_Orientation dir;
Eina_Size2D content_min_size;
Efl_Ui_Position_Manager_Entity *pos_man;
Eina_Future *selection_changed_job;
struct {
Eina_Bool w;
Eina_Bool h;
} match_content;
Fast_Accessor obj_accessor;
Fast_Accessor size_accessor;
Efl_Gfx_Entity *sizer;
unsigned int start_id, end_id;
Eina_Bool allow_manual_deselection : 1;
} Efl_Ui_Collection_Data;
static Eina_Bool register_item(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Item *item);
static Eina_Bool unregister_item(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Item *item);
static void
flush_min_size(Eo *obj, Efl_Ui_Collection_Data *pd)
{
Eina_Size2D tmp = pd->content_min_size;
if (!pd->match_content.w)
tmp.w = -1;
if (!pd->match_content.h)
tmp.h = -1;
efl_gfx_hint_size_restricted_min_set(obj, tmp);
}
static int
clamp_index(Efl_Ui_Collection_Data *pd, int index)
{
if (index < ((int)eina_list_count(pd->items)) * -1)
return -1;
else if (index > (int)eina_list_count(pd->items) - 1)
return 1;
return 0;
}
static int
index_adjust(Efl_Ui_Collection_Data *pd, int index)
{
int c = eina_list_count(pd->items);
if (index < c * -1)
return 0;
else if (index > c - 1)
return c - 1;
else if (index < 0)
return index + c;
return index;
}
static void
_pan_viewport_changed_cb(void *data, const Efl_Event *ev EINA_UNUSED)
{
MY_DATA_GET(data, pd);
Eina_Rect rect = efl_ui_scrollable_viewport_geometry_get(data);
efl_ui_position_manager_entity_viewport_set(pd->pos_man, rect);
}
static void
_pan_position_changed_cb(void *data, const Efl_Event *ev)
{
MY_DATA_GET(data, pd);
Eina_Position2D *pos = ev->info;
Eina_Position2D max = efl_ui_pan_position_max_get(pd->pan);
Eina_Vector2 rpos = {0.0, 0.0};
if (max.x > 0.0)
rpos.x = (double)pos->x/(double)max.x;
if (max.y > 0.0)
rpos.y = (double)pos->y/(double)max.y;
efl_ui_position_manager_entity_scroll_position_set(pd->pos_man, rpos.x, rpos.y);
}
EFL_CALLBACKS_ARRAY_DEFINE(pan_events_cb,
{EFL_UI_PAN_EVENT_PAN_CONTENT_POSITION_CHANGED, _pan_position_changed_cb},
{EFL_GFX_ENTITY_EVENT_SIZE_CHANGED, _pan_viewport_changed_cb},
{EFL_GFX_ENTITY_EVENT_POSITION_CHANGED, _pan_viewport_changed_cb},
)
static void
_item_scroll_internal(Eo *obj EINA_UNUSED,
Efl_Ui_Collection_Data *pd,
Efl_Ui_Item *item,
double align EINA_UNUSED,
Eina_Bool anim)
{
Eina_Rect ipos, view;
Eina_Position2D vpos;
if (!pd->smanager) return;
ipos = efl_ui_position_manager_entity_position_single_item(pd->pos_man, eina_list_data_idx(pd->items, item));
view = efl_ui_scrollable_viewport_geometry_get(pd->smanager);
vpos = efl_ui_scrollable_content_pos_get(pd->smanager);
ipos.x = ipos.x + vpos.x - view.x;
ipos.y = ipos.y + vpos.y - view.y;
//FIXME scrollable needs some sort of align, the docs do not even garantee to completly move in the element
efl_ui_scrollable_scroll(pd->smanager, ipos, anim);
}
EOLIAN static void
_efl_ui_collection_item_scroll(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Item *item, Eina_Bool animation)
{
_item_scroll_internal(obj, pd, item, -1.0, animation);
}
EOLIAN static void
_efl_ui_collection_item_scroll_align(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Item *item, double align, Eina_Bool animation)
{
_item_scroll_internal(obj, pd, item, align, animation);
}
EOLIAN static Efl_Ui_Selectable*
_efl_ui_collection_efl_ui_single_selectable_last_selected_get(const Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return eina_list_last_data_get(pd->selected);
}
EOLIAN static Eina_Iterator*
_efl_ui_collection_efl_ui_multi_selectable_object_range_selected_iterator_new(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return eina_list_iterator_new(pd->selected);
}
static inline void
_fill_depth(Eo *item, unsigned char *depth, Eina_Bool *leader)
{
if (efl_isa(item, EFL_UI_GROUP_ITEM_CLASS))
{
*depth = 1;
*leader = EINA_TRUE;
}
else if (efl_ui_item_parent_get(item))
{
*depth = 1;
*leader = EINA_FALSE;
}
else
{
*leader = EINA_FALSE;
*depth = 0;
}
}
static Efl_Ui_Position_Manager_Size_Batch_Result
_size_accessor_get_at(void *data, Efl_Ui_Position_Manager_Size_Call_Config conf, Eina_Rw_Slice memory)
{
Fast_Accessor *accessor = data;
size_t i;
const Eina_List *lst = _fast_accessor_get_at(accessor, conf.range.start_id);
Efl_Ui_Position_Manager_Size_Batch_Entity *sizes = memory.mem;
Efl_Ui_Position_Manager_Size_Batch_Result result = {0};
EINA_SAFETY_ON_NULL_RETURN_VAL(lst, result);
for (i = 0; i < (conf.range.end_id - conf.range.start_id); ++i)
{
Efl_Gfx_Entity *geom = eina_list_data_get(lst), *parent;
Eina_Size2D size = efl_gfx_hint_size_combined_min_get(geom);
parent = efl_ui_item_parent_get(geom);
sizes[i].size = size;
_fill_depth(geom, &sizes[i].element_depth, &sizes[i].depth_leader);
if (i == 0 && !sizes[0].depth_leader && parent)
{
result.parent_size = efl_gfx_hint_size_combined_min_get(parent);
}
lst = eina_list_next(lst);
if (!lst)
{
i++;
break;
}
}
result.filled_items = i;
return result;
}
static Efl_Ui_Position_Manager_Object_Batch_Result
_obj_accessor_get_at(void *data, Efl_Ui_Position_Manager_Request_Range range, Eina_Rw_Slice memory)
{
Fast_Accessor *accessor = data;
size_t i;
const Eina_List *lst = _fast_accessor_get_at(accessor, range.start_id);
Efl_Ui_Position_Manager_Object_Batch_Entity *objs = memory.mem;
Efl_Ui_Position_Manager_Object_Batch_Result result = {0};
for (i = 0; i < range.end_id - range.start_id; ++i)
{
Efl_Gfx_Entity *geom = eina_list_data_get(lst), *parent;
parent = efl_ui_item_parent_get(geom);
objs[i].entity = geom;
_fill_depth(geom, &objs[i].element_depth, &objs[i].depth_leader);
if (i == 0 && !objs[0].depth_leader && parent)
{
result.group = parent;
}
lst = eina_list_next(lst);
if (!lst)
{
i++;
break;
}
}
result.filled_items = i;
return result;
}
EOLIAN static Efl_Object*
_efl_ui_collection_efl_object_constructor(Eo *obj, Efl_Ui_Collection_Data *pd EINA_UNUSED)
{
Eo *o;
efl_ui_selectable_allow_manual_deselection_set(obj, EINA_TRUE);
pd->dir = EFL_UI_LAYOUT_ORIENTATION_VERTICAL;
_fast_accessor_init(&pd->obj_accessor, &pd->items);
_fast_accessor_init(&pd->size_accessor, &pd->items);
if (!elm_widget_theme_klass_get(obj))
elm_widget_theme_klass_set(obj, "collection");
o = efl_constructor(efl_super(obj, MY_CLASS));
pd->sizer = efl_add(EFL_CANVAS_RECTANGLE_CLASS, evas_object_evas_get(obj));
efl_gfx_color_set(pd->sizer, 0, 0, 0, 0);
pd->pan = efl_add(EFL_UI_PAN_CLASS, obj);
efl_content_set(pd->pan, pd->sizer);
efl_event_callback_array_add(pd->pan, pan_events_cb(), obj);
pd->smanager = efl_add(EFL_UI_SCROLL_MANAGER_CLASS, obj);
efl_composite_attach(obj, pd->smanager);
efl_ui_mirrored_set(pd->smanager, efl_ui_mirrored_get(obj));
efl_ui_scroll_manager_pan_set(pd->smanager, pd->pan);
efl_ui_scroll_connector_bind(obj, pd->smanager);
return o;
}
EOLIAN static Efl_Object*
_efl_ui_collection_efl_object_finalize(Eo *obj, Efl_Ui_Collection_Data *pd)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(pd->pos_man, NULL);
return efl_finalize(efl_super(obj, MY_CLASS));
}
EOLIAN static Eina_Error
_efl_ui_collection_efl_ui_widget_theme_apply(Eo *obj, Efl_Ui_Collection_Data *pd)
{
Eina_Error res;
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EFL_UI_THEME_APPLY_ERROR_GENERIC);
res = efl_ui_widget_theme_apply(efl_super(obj, MY_CLASS));
if (res == EFL_UI_THEME_APPLY_ERROR_GENERIC) return res;
efl_ui_mirrored_set(pd->smanager, efl_ui_mirrored_get(obj));
efl_content_set(efl_part(wd->resize_obj, "efl.content"), pd->pan);
return res;
}
EOLIAN static void
_efl_ui_collection_efl_object_destructor(Eo *obj, Efl_Ui_Collection_Data *pd EINA_UNUSED)
{
efl_destructor(efl_super(obj, MY_CLASS));
}
static void
deselect_all(Efl_Ui_Collection_Data *pd)
{
while(pd->selected)
{
Eo *item = eina_list_data_get(pd->selected);
efl_ui_selectable_selected_set(item, EINA_FALSE);
EINA_SAFETY_ON_TRUE_RETURN(eina_list_data_get(pd->selected) == item);
}
}
EOLIAN static void
_efl_ui_collection_efl_object_invalidate(Eo *obj, Efl_Ui_Collection_Data *pd EINA_UNUSED)
{
efl_ui_collection_position_manager_set(obj, NULL);
efl_ui_selectable_fallback_selection_set(obj, NULL);
deselect_all(pd);
while(pd->items)
efl_del(pd->items->data);
// pan is given to edje, which reparents it, which forces us to manually deleting it
efl_del(pd->pan);
efl_invalidate(efl_super(obj, MY_CLASS));
}
EOLIAN static Eina_Iterator*
_efl_ui_collection_efl_container_content_iterate(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return eina_list_iterator_new(pd->items);
}
EOLIAN static int
_efl_ui_collection_efl_container_content_count(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return eina_list_count(pd->items);
}
EOLIAN static void
_efl_ui_collection_efl_ui_layout_orientable_orientation_set(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, Efl_Ui_Layout_Orientation dir)
{
if (pd->dir == dir) return;
pd->dir = dir;
if (pd->pos_man)
efl_ui_layout_orientation_set(pd->pos_man, dir);
}
EOLIAN static Efl_Ui_Layout_Orientation
_efl_ui_collection_efl_ui_layout_orientable_orientation_get(const Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return pd->dir;
}
EOLIAN static void
_efl_ui_collection_efl_ui_scrollable_match_content_set(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, Eina_Bool w, Eina_Bool h)
{
if (pd->match_content.w == w && pd->match_content.h == h)
return;
pd->match_content.w = w;
pd->match_content.h = h;
efl_ui_scrollable_match_content_set(pd->smanager, w, h);
flush_min_size(obj, pd);
}
EOLIAN static void
_efl_ui_collection_efl_ui_multi_selectable_select_mode_set(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, Efl_Ui_Select_Mode mode)
{
pd->mode = mode;
if ((mode == EFL_UI_SELECT_MODE_SINGLE) &&
eina_list_count(pd->selected) > 0)
{
Efl_Ui_Item *last = eina_list_last_data_get(pd->selected);
pd->selected = eina_list_remove_list(pd->selected, eina_list_last(pd->selected));
deselect_all(pd);
pd->selected = eina_list_append(pd->selected, last);
}
else if (mode == EFL_UI_SELECT_MODE_NONE && pd->selected)
{
deselect_all(pd);
}
}
EOLIAN static Efl_Ui_Select_Mode
_efl_ui_collection_efl_ui_multi_selectable_select_mode_get(const Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return pd->mode;
}
static Eina_Value
_schedule_selection_job_cb(Eo *o, void *data EINA_UNUSED, const Eina_Value value EINA_UNUSED)
{
MY_DATA_GET(o, pd);
pd->selection_changed_job = NULL;
efl_event_callback_call(o, EFL_UI_SELECTABLE_EVENT_SELECTION_CHANGED, NULL);
return EINA_VALUE_EMPTY;
}
static void
_schedule_selection_changed(Eo *obj, Efl_Ui_Collection_Data *pd)
{
Eina_Future *f;
if (pd->selection_changed_job) return;
f = efl_loop_job(efl_main_loop_get());
pd->selection_changed_job = efl_future_then(obj, f, _schedule_selection_job_cb);
}
static void
_apply_fallback(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
if (pd->fallback && !pd->selected)
{
efl_ui_selectable_selected_set(pd->fallback, EINA_TRUE);
}
}
static inline void
_single_selection_behaviour(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, Efl_Ui_Selectable *new_selection)
{
//we might get the situation that the item is already in the list and selected again, so just free the list, it will be rebuild below
if (eina_list_data_get(pd->selected) == new_selection)
{
pd->selected = eina_list_free(pd->selected);
}
else
{
deselect_all(pd);
}
}
static void
_selection_changed(void *data, const Efl_Event *ev)
{
Eina_Bool selection = *((Eina_Bool*) ev->info);
Eo *obj = data;
MY_DATA_GET(obj, pd);
Efl_Ui_Selection *fallback;
//if this is the highest call in the tree of selection changes, safe the fallback and apply it later
//this way we ensure that we are not accidently adding fallback even if we just want to have a empty selection list
fallback = pd->fallback;
pd->fallback = NULL;
if (selection)
{
if (pd->mode == EFL_UI_SELECT_MODE_SINGLE)
{
_single_selection_behaviour(obj, pd, ev->object);
}
else if (pd->mode == EFL_UI_SELECT_MODE_MULTI && _elm_config->desktop_entry)
{
const Evas_Modifier *mod = evas_key_modifier_get(evas_object_evas_get(ev->object));
if (!(efl_input_clickable_interaction_get(ev->object)
&& evas_key_modifier_is_set(mod, "Control")))
_single_selection_behaviour(obj, pd, ev->object);
}
else if (pd->mode == EFL_UI_SELECT_MODE_NONE)
{
ERR("Selection while mode is NONE, uncaught state!");
return;
}
pd->selected = eina_list_append(pd->selected, ev->object);
}
else
{
pd->selected = eina_list_remove(pd->selected, ev->object);
}
pd->fallback = fallback;
_apply_fallback(obj, pd);
_schedule_selection_changed(obj, pd);
}
static void
_invalidate_cb(void *data, const Efl_Event *ev)
{
Eo *obj = data;
MY_DATA_GET(obj, pd);
unregister_item(obj, pd, ev->object);
}
static void
_hints_changed_cb(void *data, const Efl_Event *ev)
{
Eo *obj = data;
MY_DATA_GET(obj, pd);
int idx = eina_list_data_idx(pd->items, ev->object);
efl_ui_position_manager_entity_item_size_changed(pd->pos_man, idx, idx);
}
static void
_redirect_cb(void *data, const Efl_Event *ev)
{
Eo *obj = data;
#define REDIRECT_EVT(Desc, Item_Desc) \
if (Desc == ev->desc) \
{ \
Efl_Ui_Item_Clickable_Clicked item_clicked; \
Efl_Input_Clickable_Clicked *clicked = ev->info; \
\
item_clicked.clicked = *clicked; \
item_clicked.item = ev->object; \
\
efl_event_callback_call(obj, Item_Desc, &item_clicked); \
}
#define REDIRECT_EVT_PRESS(Desc, Item_Desc) \
if (Desc == ev->desc) \
{ \
Efl_Ui_Item_Clickable_Pressed item_pressed; \
int *button = ev->info; \
\
item_pressed.button = *button; \
item_pressed.item = ev->object; \
\
efl_event_callback_call(obj, Item_Desc, &item_pressed); \
}
REDIRECT_EVT_PRESS(EFL_INPUT_EVENT_PRESSED, EFL_UI_EVENT_ITEM_PRESSED);
REDIRECT_EVT_PRESS(EFL_INPUT_EVENT_UNPRESSED, EFL_UI_EVENT_ITEM_UNPRESSED);
REDIRECT_EVT_PRESS(EFL_INPUT_EVENT_LONGPRESSED, EFL_UI_EVENT_ITEM_LONGPRESSED);
REDIRECT_EVT(EFL_INPUT_EVENT_CLICKED_ANY, EFL_UI_EVENT_ITEM_CLICKED_ANY);
REDIRECT_EVT(EFL_INPUT_EVENT_CLICKED, EFL_UI_EVENT_ITEM_CLICKED);
#undef REDIRECT_EVT
#undef REDIRECT_EVT_PRESS
}
EFL_CALLBACKS_ARRAY_DEFINE(active_item,
{EFL_GFX_ENTITY_EVENT_HINTS_CHANGED, _hints_changed_cb},
{EFL_UI_EVENT_SELECTED_CHANGED, _selection_changed},
{EFL_INPUT_EVENT_PRESSED, _redirect_cb},
{EFL_INPUT_EVENT_UNPRESSED, _redirect_cb},
{EFL_INPUT_EVENT_LONGPRESSED, _redirect_cb},
{EFL_INPUT_EVENT_CLICKED, _redirect_cb},
{EFL_INPUT_EVENT_CLICKED_ANY, _redirect_cb},
{EFL_EVENT_INVALIDATE, _invalidate_cb},
)
static Eina_Bool
register_item(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Item *item)
{
EINA_SAFETY_ON_FALSE_RETURN_VAL(efl_isa(item, EFL_UI_ITEM_CLASS), EINA_FALSE);
EINA_SAFETY_ON_TRUE_RETURN_VAL(!!eina_list_data_find(pd->items, item), EINA_FALSE);
if (!efl_ui_widget_sub_object_add(obj, item))
return EINA_FALSE;
efl_ui_item_container_set(item, obj);
efl_canvas_group_member_add(pd->pan, item);
efl_event_callback_array_add(item, active_item(), obj);
efl_ui_mirrored_set(item, efl_ui_mirrored_get(obj));
return EINA_TRUE;
}
static Eina_Bool
unregister_item(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Item *item)
{
Eina_List *elem = eina_list_data_find_list(pd->items, item);
if (!elem)
{
ERR("Item %p is not part of this widget", item);
return EINA_FALSE;
}
if (!efl_ui_widget_sub_object_del(obj, item))
return EINA_FALSE;
unsigned int id = eina_list_data_idx(pd->items, item);
_fast_accessor_remove(&pd->obj_accessor, elem);
_fast_accessor_remove(&pd->size_accessor, elem);
pd->items = eina_list_remove(pd->items, item);
pd->selected = eina_list_remove(pd->selected, item);
efl_event_callback_array_del(item, active_item(), obj);
efl_ui_position_manager_entity_item_removed(pd->pos_man, id, item);
efl_ui_item_container_set(item, NULL);
efl_canvas_group_member_remove(pd->pan, item);
return EINA_TRUE;
}
static void
update_pos_man(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, Efl_Gfx_Entity *subobj)
{
int id = eina_list_data_idx(pd->items, subobj);
if (id == 0)
{
pd->obj_accessor.last_index = id;
pd->obj_accessor.current = pd->items;
pd->size_accessor.last_index = id;
pd->size_accessor.current = pd->items;
}
efl_ui_position_manager_entity_item_added(pd->pos_man, id, subobj);
}
static inline Efl_Ui_Item*
fetch_rep_parent(Eina_List *lst)
{
if (!lst)
return NULL;
Efl_Ui_Item *it = eina_list_data_get(lst);
return efl_ui_item_parent_get(it);
}
static Eina_Bool
check_group_integrity(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, Efl_Gfx_Entity *subobj)
{
Eina_List *carrier_list = eina_list_data_find_list(pd->items, subobj), *prev_lst;
Efl_Ui_Item *next, *prev, *carrier;
prev_lst = eina_list_prev(carrier_list);
next = fetch_rep_parent(eina_list_next(carrier_list));
prev = fetch_rep_parent(prev_lst);
carrier = fetch_rep_parent(carrier_list);
if (next && next == prev && carrier != prev)
{
//a item got inserted into the middle of one group, but does not have the correct group header, that is a bug
ERR("Inserting a item with the wrong group into another group(%p,%p,%p)", prev, carrier, next);
unregister_item(obj, pd, subobj);
return EINA_FALSE;
}
if (prev_lst && eina_list_data_get(prev_lst) == next && carrier != next)
{
//a item got inserted between group header and group children, also a error
ERR("Inserting a item between group header, and group elements(%p,%p,%p)", prev_lst, eina_list_data_get(prev_lst), next);
unregister_item(obj, pd, subobj);
return EINA_FALSE;
}
if (!next && !prev && carrier && prev_lst && eina_list_data_get(prev_lst) != carrier)
{
ERR("Tried to insert a item with group, outside its group(%p,%p,%p)", next, prev, carrier);
unregister_item(obj, pd, subobj);
return EINA_FALSE;
}
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_pack_clear(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
while(pd->items)
{
efl_del(pd->items->data);
}
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_unpack_all(Eo *obj, Efl_Ui_Collection_Data *pd)
{
while(pd->items)
{
if (!unregister_item(obj, pd, pd->items->data))
return EINA_FALSE;
}
return EINA_TRUE;
}
EOLIAN static Efl_Gfx_Entity*
_efl_ui_collection_efl_pack_linear_pack_unpack_at(Eo *obj, Efl_Ui_Collection_Data *pd, int index)
{
Efl_Ui_Item *it = eina_list_nth(pd->items, index_adjust(pd, index));
EINA_SAFETY_ON_NULL_RETURN_VAL(it, NULL);
if (!unregister_item(obj, pd, it))
return NULL;
return it;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_unpack(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Gfx_Entity *subobj)
{
return unregister_item(obj, pd, subobj);
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_pack(Eo *obj, Efl_Ui_Collection_Data *pd EINA_UNUSED, Efl_Gfx_Entity *subobj)
{
return efl_pack_end(obj, subobj);
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_linear_pack_end(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Gfx_Entity *subobj)
{
if (!register_item(obj, pd, subobj))
return EINA_FALSE;
pd->items = eina_list_append(pd->items, subobj);
update_pos_man(obj, pd, subobj);
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_linear_pack_begin(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Gfx_Entity *subobj)
{
if (!register_item(obj, pd, subobj))
return EINA_FALSE;
pd->items = eina_list_prepend(pd->items, subobj);
update_pos_man(obj, pd, subobj);
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_linear_pack_before(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Gfx_Entity *subobj, const Efl_Gfx_Entity *existing)
{
Eina_List *subobj_list = eina_list_data_find_list(pd->items, existing);
if (existing)
EINA_SAFETY_ON_NULL_RETURN_VAL(subobj_list, EINA_FALSE);
if (!register_item(obj, pd, subobj))
return EINA_FALSE;
pd->items = eina_list_prepend_relative_list(pd->items, subobj, subobj_list);
if (!check_group_integrity(obj, pd, subobj)) return EINA_FALSE;
update_pos_man(obj, pd, subobj);
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_linear_pack_after(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Gfx_Entity *subobj, const Efl_Gfx_Entity *existing)
{
Eina_List *subobj_list = eina_list_data_find_list(pd->items, existing);
if (existing)
EINA_SAFETY_ON_NULL_RETURN_VAL(subobj_list, EINA_FALSE);
if (!register_item(obj, pd, subobj))
return EINA_FALSE;
pd->items = eina_list_append_relative_list(pd->items, subobj, subobj_list);
if (!check_group_integrity(obj, pd, subobj)) return EINA_FALSE;
update_pos_man(obj, pd, subobj);
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_pack_linear_pack_at(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Gfx_Entity *subobj, int index)
{
Eina_List *subobj_list;
int clamp;
clamp = clamp_index(pd, index);
index = index_adjust(pd, index);
subobj_list = eina_list_nth_list(pd->items, index);
if (pd->items)
EINA_SAFETY_ON_NULL_RETURN_VAL(subobj_list, EINA_FALSE);
if (!register_item(obj, pd, subobj))
return EINA_FALSE;
if (clamp == 0)
pd->items = eina_list_prepend_relative_list(pd->items, subobj, subobj_list);
else if (clamp == 1)
pd->items = eina_list_append(pd->items, subobj);
else
pd->items = eina_list_prepend(pd->items, subobj);
if (!check_group_integrity(obj, pd, subobj)) return EINA_FALSE;
update_pos_man(obj, pd, subobj);
return EINA_TRUE;
}
EOLIAN static int
_efl_ui_collection_efl_pack_linear_pack_index_get(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, const Efl_Gfx_Entity *subobj)
{
return eina_list_data_idx(pd->items, (void*)subobj);
}
EOLIAN static Efl_Gfx_Entity*
_efl_ui_collection_efl_pack_linear_pack_content_get(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, int index)
{
return eina_list_nth(pd->items, index_adjust(pd, index));
}
static void
_pos_content_size_changed_cb(void *data, const Efl_Event *ev)
{
Eina_Size2D *size = ev->info;
MY_DATA_GET(data, pd);
efl_gfx_entity_size_set(pd->sizer, *size);
}
static void
_pos_content_min_size_changed_cb(void *data EINA_UNUSED, const Efl_Event *ev)
{
Eina_Size2D *size = ev->info;
MY_DATA_GET(data, pd);
pd->content_min_size = *size;
flush_min_size(data, pd);
}
static void
_visible_range_changed_cb(void *data EINA_UNUSED, const Efl_Event *ev)
{
Efl_Ui_Position_Manager_Range_Update *info = ev->info;
MY_DATA_GET(data, pd);
pd->start_id = info->start_id;
pd->end_id = info->end_id;
}
EFL_CALLBACKS_ARRAY_DEFINE(pos_manager_cbs,
{EFL_UI_POSITION_MANAGER_ENTITY_EVENT_CONTENT_SIZE_CHANGED, _pos_content_size_changed_cb},
{EFL_UI_POSITION_MANAGER_ENTITY_EVENT_CONTENT_MIN_SIZE_CHANGED, _pos_content_min_size_changed_cb},
{EFL_UI_POSITION_MANAGER_ENTITY_EVENT_VISIBLE_RANGE_CHANGED, _visible_range_changed_cb}
)
EOLIAN static void
_efl_ui_collection_position_manager_set(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Position_Manager_Entity *layouter)
{
if (layouter)
EINA_SAFETY_ON_FALSE_RETURN(efl_isa(layouter, EFL_UI_POSITION_MANAGER_ENTITY_INTERFACE));
if (pd->pos_man)
{
efl_event_callback_array_del(pd->pos_man, pos_manager_cbs(), obj);
efl_del(pd->pos_man);
}
pd->pos_man = layouter;
if (pd->pos_man)
{
efl_parent_set(pd->pos_man, obj);
efl_event_callback_array_add(pd->pos_man, pos_manager_cbs(), obj);
switch(efl_ui_position_manager_entity_version(pd->pos_man, 1))
{
case 1:
efl_ui_position_manager_data_access_v1_data_access_set(pd->pos_man,
efl_provider_find(obj, EFL_UI_WIN_CLASS),
&pd->obj_accessor, _obj_accessor_get_at, NULL,
&pd->size_accessor, _size_accessor_get_at, NULL,
eina_list_count(pd->items));
break;
}
efl_ui_position_manager_entity_viewport_set(pd->pos_man, efl_ui_scrollable_viewport_geometry_get(obj));
efl_ui_layout_orientation_set(pd->pos_man, pd->dir);
}
}
EOLIAN static Efl_Ui_Position_Manager_Entity*
_efl_ui_collection_position_manager_get(const Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return pd->pos_man;
}
EOLIAN static Efl_Ui_Focus_Manager*
_efl_ui_collection_efl_ui_widget_focus_manager_focus_manager_create(Eo *obj, Efl_Ui_Collection_Data *pd EINA_UNUSED, Efl_Ui_Focus_Object *root)
{
Eo *man = efl_add(EFL_UI_COLLECTION_FOCUS_MANAGER_CLASS, obj,
efl_ui_focus_manager_root_set(efl_added, root));
Efl_Ui_Collection_Focus_Manager_Data *fm_pd = efl_data_scope_safe_get(man, EFL_UI_COLLECTION_FOCUS_MANAGER_CLASS);
EINA_SAFETY_ON_NULL_RETURN_VAL(fm_pd, NULL);
fm_pd->collection = obj;
return man;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_ui_widget_focus_state_apply(Eo *obj, Efl_Ui_Collection_Data *pd EINA_UNUSED, Efl_Ui_Widget_Focus_State current_state, Efl_Ui_Widget_Focus_State *configured_state, Efl_Ui_Widget *redirect EINA_UNUSED)
{
return efl_ui_widget_focus_state_apply(efl_super(obj, MY_CLASS), current_state, configured_state, obj);
}
static Efl_Ui_Item *
_find_item(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd EINA_UNUSED, Eo *focused_element)
{
if (!focused_element) return NULL;
while (focused_element && !efl_isa(focused_element, EFL_UI_ITEM_CLASS))
{
focused_element = efl_ui_widget_parent_get(focused_element);
}
return focused_element;
}
EOLIAN static Efl_Ui_Focus_Object*
_efl_ui_collection_efl_ui_focus_manager_move(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Focus_Direction direction)
{
Eo *new_obj, *focus;
Eina_Size2D step;
focus = efl_ui_focus_manager_focus_get(obj);
new_obj = efl_ui_focus_manager_move(efl_super(obj, MY_CLASS), direction);
step = efl_gfx_hint_size_combined_min_get(focus);
if (new_obj)
{
/* if this is outside the viewport, then we must bring that in first */
Eina_Rect viewport;
Eina_Rect element;
element = efl_gfx_entity_geometry_get(focus);
viewport = efl_gfx_entity_geometry_get(obj);
if (!eina_spans_intersect(element.x, element.w, viewport.x, viewport.w) &&
!eina_spans_intersect(element.y, element.h, viewport.y, viewport.h))
{
efl_ui_scrollable_scroll(obj, element, EINA_TRUE);
return focus;
}
}
if (!new_obj)
{
Eina_Rect pos = efl_gfx_entity_geometry_get(focus);
Eina_Rect view = efl_ui_scrollable_viewport_geometry_get(pd->smanager);
Eina_Position2D vpos = efl_ui_scrollable_content_pos_get(pd->smanager);
pos.x = pos.x + vpos.x - view.x;
pos.y = pos.y + vpos.y - view.y;
Eina_Position2D max = efl_ui_pan_position_max_get(pd->pan);
if (direction == EFL_UI_FOCUS_DIRECTION_RIGHT)
{
if (pos.x < max.x)
{
pos.x = MIN(max.x, pos.x + step.w);
efl_ui_scrollable_scroll(obj, pos, EINA_TRUE);
new_obj = focus;
}
}
else if (direction == EFL_UI_FOCUS_DIRECTION_LEFT)
{
if (pos.x > 0)
{
pos.x = MAX(0, pos.x - step.w);
efl_ui_scrollable_scroll(obj, pos, EINA_TRUE);
new_obj = focus;
}
}
else if (direction == EFL_UI_FOCUS_DIRECTION_UP)
{
if (pos.y > 0)
{
pos.y = MAX(0, pos.y - step.h);
efl_ui_scrollable_scroll(obj, pos, EINA_TRUE);
new_obj = focus;
}
}
else if (direction == EFL_UI_FOCUS_DIRECTION_DOWN)
{
if (pos.y < max.y)
{
pos.y = MAX(0, pos.y + step.h);
efl_ui_scrollable_scroll(obj, pos, EINA_TRUE);
new_obj = focus;
}
}
}
else
{
_item_scroll_internal(obj, pd, efl_provider_find(new_obj, EFL_UI_ITEM_CLASS), .0, EINA_TRUE);
}
return new_obj;
}
static void
_selectable_range_apply(Eina_List *start, Eina_Bool flag)
{
Efl_Ui_Selectable *sel;
Eina_List *n;
EINA_LIST_FOREACH(start, n, sel)
{
efl_ui_selectable_selected_set(sel, flag);
}
}
EOLIAN static void
_efl_ui_collection_efl_ui_multi_selectable_all_select(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
_selectable_range_apply(pd->items, EINA_TRUE);
}
EOLIAN static void
_efl_ui_collection_efl_ui_multi_selectable_all_unselect(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
_selectable_range_apply(pd->items, EINA_FALSE);
}
static void
_range_selection_find(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Selectable *a, Efl_Ui_Selectable *b, Eina_Bool flag)
{
Eina_List *n;
Efl_Ui_Selectable *c;
Eina_List *start = NULL, *end = NULL;
EINA_SAFETY_ON_FALSE_RETURN(efl_ui_widget_parent_get(a) == obj);
EINA_SAFETY_ON_FALSE_RETURN(efl_ui_widget_parent_get(b) == obj);
EINA_LIST_FOREACH(pd->items, n, c)
{
if (!start)
{
if (c == a)
start = n;
else if (c == b)
start = n;
}
else if (!end)
{
if (c == a)
end = n;
else if (c == b)
end = n;
}
/* if we have found the first element, start applying the flag */
if (start)
efl_ui_selectable_selected_set(c, flag);
if (end)
break;
}
}
EOLIAN static void
_efl_ui_collection_efl_ui_multi_selectable_object_range_range_select(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Selectable *a, Efl_Ui_Selectable *b)
{
_range_selection_find(obj, pd, a, b, EINA_TRUE);
}
EOLIAN static void
_efl_ui_collection_efl_ui_multi_selectable_object_range_range_unselect(Eo *obj, Efl_Ui_Collection_Data *pd, Efl_Ui_Selectable *a, Efl_Ui_Selectable *b)
{
_range_selection_find(obj, pd, a, b, EINA_FALSE);
}
EOLIAN static void
_efl_ui_collection_efl_ui_single_selectable_fallback_selection_set(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, Efl_Ui_Selectable *fallback)
{
pd->fallback = fallback;
_apply_fallback(obj, pd);
}
EOLIAN static Efl_Ui_Selectable*
_efl_ui_collection_efl_ui_single_selectable_fallback_selection_get(const Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return pd->fallback;
}
EOLIAN static void
_efl_ui_collection_efl_ui_single_selectable_allow_manual_deselection_set(Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd, Eina_Bool allow_manual_deselection)
{
pd->allow_manual_deselection = !!allow_manual_deselection;
}
EOLIAN static Eina_Bool
_efl_ui_collection_efl_ui_single_selectable_allow_manual_deselection_get(const Eo *obj EINA_UNUSED, Efl_Ui_Collection_Data *pd)
{
return pd->allow_manual_deselection;
}
#include "efl_ui_collection.eo.c"
#define ITEM_IS_OUTSIDE_VISIBLE(id) id < collection_pd->start_id || id > collection_pd->end_id
static inline void
_assert_item_available(Eo *item, unsigned int new_id, Efl_Ui_Collection_Data *pd)
{
EINA_SAFETY_ON_FALSE_RETURN(new_id < eina_list_count(pd->items));
efl_gfx_entity_visible_set(item, EINA_TRUE);
efl_gfx_entity_geometry_set(item, efl_ui_position_manager_entity_position_single_item(pd->pos_man, new_id));
}
EOLIAN static Efl_Ui_Focus_Object*
_efl_ui_collection_focus_manager_efl_ui_focus_manager_request_move(Eo *obj, Efl_Ui_Collection_Focus_Manager_Data *pd, Efl_Ui_Focus_Direction direction, Efl_Ui_Focus_Object *child, Eina_Bool logical)
{
MY_DATA_GET(pd->collection, collection_pd);
Efl_Ui_Item *new_item, *item;
unsigned int item_id;
if (!child)
child = efl_ui_focus_manager_focus_get(obj);
item = _find_item(obj, collection_pd, child);
//if this is NULL then we are before finalize, we cannot serve any sane value here
if (!collection_pd->pos_man) return NULL;
EINA_SAFETY_ON_NULL_RETURN_VAL(item, NULL);
item_id = efl_ui_item_index_get(item);
if (ITEM_IS_OUTSIDE_VISIBLE(item_id))
{
unsigned int new_id;
if (!efl_ui_position_manager_entity_relative_item(collection_pd->pos_man, efl_ui_item_index_get(item), direction, &new_id))
{
new_item = NULL;
}
else
{
new_item = eina_list_nth(collection_pd->items, new_id);;
_assert_item_available(new_item, new_id, collection_pd);
}
}
else
{
new_item = efl_ui_focus_manager_request_move(efl_super(obj, EFL_UI_COLLECTION_FOCUS_MANAGER_CLASS), direction, child, logical);
}
return new_item;
}
EOLIAN static void
_efl_ui_collection_focus_manager_efl_ui_focus_manager_manager_focus_set(Eo *obj, Efl_Ui_Collection_Focus_Manager_Data *pd, Efl_Ui_Focus_Object *focus)
{
MY_DATA_GET(pd->collection, collection_pd);
Efl_Ui_Item *item;
unsigned int item_id;
if (focus == efl_ui_focus_manager_root_get(obj))
{
item = eina_list_data_get(collection_pd->items);
}
else
{
item = _find_item(obj, collection_pd, focus);
}
//if this is NULL then we are before finalize, we cannot serve any sane value here
if (!collection_pd->pos_man) return;
EINA_SAFETY_ON_NULL_RETURN(item);
item_id = efl_ui_item_index_get(item);
if (ITEM_IS_OUTSIDE_VISIBLE(item_id))
{
_assert_item_available(item, item_id, collection_pd);
}
efl_ui_focus_manager_focus_set(efl_super(obj, EFL_UI_COLLECTION_FOCUS_MANAGER_CLASS), focus);
}
#include "efl_ui_collection_focus_manager.eo.c"
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