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efl/legacy/elementary/src/lib/elm_list.c

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#include <Elementary.h>
#include "elm_priv.h"
#define SWIPE_MOVES 12
/**
* @defgroup List List
*
* A list is a very simple type of list widget. For more robust
* lists, @ref Genlist should probably be used.
*/
typedef struct _Widget_Data Widget_Data;
struct _Widget_Data
{
Evas_Object *scr, *box, *self;
Eina_List *items, *selected, *to_delete;
Elm_List_Item *last_selected_item;
Elm_List_Mode mode;
Elm_List_Mode h_mode;
Evas_Coord minw[2], minh[2];
Eina_Bool scr_minw : 1;
Eina_Bool scr_minh : 1;
int walking;
int movements;
struct
{
Evas_Coord x, y;
} history[SWIPE_MOVES];
Eina_Bool swipe : 1;
Eina_Bool fix_pending : 1;
Eina_Bool on_hold : 1;
Eina_Bool multi : 1;
Eina_Bool always_select : 1;
Eina_Bool longpressed : 1;
Eina_Bool wasselected : 1;
};
struct _Elm_List_Item
{
Elm_Widget_Item base;
Widget_Data *wd;
Eina_List *node;
const char *label;
Evas_Object *icon, *end;
Evas_Smart_Cb func;
Ecore_Timer *long_timer;
Ecore_Timer *swipe_timer;
Eina_Bool deleted : 1;
Eina_Bool disabled : 1;
Eina_Bool even : 1;
Eina_Bool is_even : 1;
Eina_Bool is_separator : 1;
Eina_Bool fixed : 1;
Eina_Bool selected : 1;
Eina_Bool hilighted : 1;
Eina_Bool dummy_icon : 1;
Eina_Bool dummy_end : 1;
};
static const char *widtype = NULL;
static void _del_hook(Evas_Object *obj);
static void _theme_hook(Evas_Object *obj);
static void _sizing_eval(Evas_Object *obj);
static void _on_focus_hook(void *data, Evas_Object *obj);
static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _sub_del(void *data, Evas_Object *obj, void *event_info);
static void _fix_items(Evas_Object *obj);
static void _mouse_down(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static void _mouse_up(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static void _mouse_move(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static Eina_Bool _item_multi_select_up(Widget_Data *wd);
static Eina_Bool _item_multi_select_down(Widget_Data *wd);
static Eina_Bool _item_single_select_up(Widget_Data *wd);
static Eina_Bool _item_single_select_down(Widget_Data *wd);
static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src,
Evas_Callback_Type type, void *event_info);
#define ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, ...) \
if (!it) \
{ \
ERR("ERROR: "#it" is NULL.\n"); \
return __VA_ARGS__; \
} \
else if (it->deleted) \
{ \
ERR("ERROR: "#it" has been DELETED.\n"); \
return __VA_ARGS__; \
}
static inline void
_elm_list_item_free(Elm_List_Item *it)
{
evas_object_event_callback_del_full
(it->base.view, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, it);
evas_object_event_callback_del_full
(it->base.view, EVAS_CALLBACK_MOUSE_UP, _mouse_up, it);
evas_object_event_callback_del_full
(it->base.view, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move, it);
if (it->icon)
evas_object_event_callback_del_full
(it->icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, it->base.widget);
if (it->end)
evas_object_event_callback_del_full
(it->end, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, it->base.widget);
eina_stringshare_del(it->label);
if (it->swipe_timer) ecore_timer_del(it->swipe_timer);
if (it->long_timer) ecore_timer_del(it->long_timer);
if (it->icon) evas_object_del(it->icon);
if (it->end) evas_object_del(it->end);
elm_widget_item_del(it);
}
static Eina_Bool
_event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
{
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;
Elm_List_Item *it = NULL;
Evas_Coord x = 0;
Evas_Coord y = 0;
Evas_Coord step_x = 0;
Evas_Coord step_y = 0;
Evas_Coord v_w = 0;
Evas_Coord v_h = 0;
Evas_Coord page_x = 0;
Evas_Coord page_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);
/* TODO: fix logic for horizontal mode */
if ((!strcmp(ev->keyname, "Left")) || (!strcmp(ev->keyname, "KP_Left")))
{
x -= step_x;
}
else if ((!strcmp(ev->keyname, "Right")) || (!strcmp(ev->keyname, "KP_Right")))
{
x += step_x;
}
else if ((!strcmp(ev->keyname, "Up")) || (!strcmp(ev->keyname, "KP_Up")))
{
if (((evas_key_modifier_is_set(ev->modifiers, "Shift")) &&
(_item_multi_select_up(wd)))
|| (_item_single_select_up(wd)))
{
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else
y -= step_y;
}
else if ((!strcmp(ev->keyname, "Down")) || (!strcmp(ev->keyname, "KP_Down")))
{
if (((evas_key_modifier_is_set(ev->modifiers, "Shift")) &&
(_item_multi_select_down(wd)))
|| (_item_single_select_down(wd)))
{
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else
y += step_y;
}
else if (!strcmp(ev->keyname, "Home"))
{
it = eina_list_data_get(wd->items);
elm_list_item_bring_in(it);
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else if (!strcmp(ev->keyname, "End"))
{
it = eina_list_data_get(eina_list_last(wd->items));
elm_list_item_bring_in(it);
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else if (!strcmp(ev->keyname, "Prior"))
{
if (page_y < 0)
y -= -(page_y * v_h) / 100;
else
y -= page_y;
}
else if (!strcmp(ev->keyname, "Next"))
{
if (page_y < 0)
y += -(page_y * v_h) / 100;
else
y += page_y;
}
else return EINA_FALSE;
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
elm_smart_scroller_child_pos_set(wd->scr, x, y);
return EINA_TRUE;
}
static Eina_Bool
_item_multi_select_up(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
if (!wd->multi) return EINA_FALSE;
Elm_List_Item *prev = elm_list_item_prev(wd->last_selected_item);
if (!prev) return EINA_TRUE;
if (elm_list_item_selected_get(prev))
{
elm_list_item_selected_set(wd->last_selected_item, EINA_FALSE);
wd->last_selected_item = prev;
elm_list_item_show(wd->last_selected_item);
}
else
{
elm_list_item_selected_set(prev, EINA_TRUE);
elm_list_item_show(prev);
}
return EINA_TRUE;
}
static Eina_Bool
_item_multi_select_down(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
if (!wd->multi) return EINA_FALSE;
Elm_List_Item *next = elm_list_item_next(wd->last_selected_item);
if (!next) return EINA_TRUE;
if (elm_list_item_selected_get(next))
{
elm_list_item_selected_set(wd->last_selected_item, EINA_FALSE);
wd->last_selected_item = next;
elm_list_item_show(wd->last_selected_item);
}
else
{
elm_list_item_selected_set(next, EINA_TRUE);
elm_list_item_show(next);
}
return EINA_TRUE;
}
static Eina_Bool
_item_single_select_up(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
Elm_List_Item *prev = elm_list_item_prev(wd->last_selected_item);
if (!prev) return EINA_FALSE;
while(wd->selected)
elm_list_item_selected_set(eina_list_data_get(wd->selected),
EINA_FALSE);
elm_list_item_selected_set(prev, EINA_TRUE);
elm_list_item_show(prev);
return EINA_TRUE;
}
static Eina_Bool
_item_single_select_down(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
Elm_List_Item *next = elm_list_item_next(wd->last_selected_item);
if (!next) return EINA_FALSE;
while(wd->selected)
elm_list_item_selected_set(eina_list_data_get(wd->selected),
EINA_FALSE);
elm_list_item_selected_set(next, EINA_TRUE);
elm_list_item_show(next);
return EINA_TRUE;
}
static void
_elm_list_process_deletions(Widget_Data *wd)
{
Elm_List_Item *it;
wd->walking++; // avoid nested deletion and also _sub_del() fix_items
EINA_LIST_FREE(wd->to_delete, it)
{
elm_widget_item_pre_notify_del(it);
wd->items = eina_list_remove_list(wd->items, it->node);
_elm_list_item_free(it);
}
wd->walking--;
}
static inline void
_elm_list_walk(Widget_Data *wd)
{
if (wd->walking < 0)
{
ERR("ERROR: walking was negative. fixed!\n");
wd->walking = 0;
}
wd->walking++;
}
static inline void
_elm_list_unwalk(Widget_Data *wd)
{
wd->walking--;
if (wd->walking < 0)
{
ERR("ERROR: walking became negative. fixed!\n");
wd->walking = 0;
}
if (wd->walking)
return;
if (wd->to_delete)
_elm_list_process_deletions(wd);
if (wd->fix_pending)
{
wd->fix_pending = EINA_FALSE;
_fix_items(wd->self);
_sizing_eval(wd->self);
}
}
static void
_del_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
Elm_List_Item *it;
Eina_List *n;
if (!wd) return;
if (wd->walking != 0)
ERR("ERROR: list deleted while walking.\n");
_elm_list_walk(wd);
EINA_LIST_FOREACH(wd->items, n, it) elm_widget_item_pre_notify_del(it);
_elm_list_unwalk(wd);
if (wd->to_delete)
ERR("ERROR: leaking nodes!\n");
EINA_LIST_FREE(wd->items, it) _elm_list_item_free(it);
eina_list_free(wd->selected);
free(wd);
}
static void
_show_region_hook(void *data, Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(data);
Evas_Coord x, y, w, h;
elm_widget_show_region_get(obj, &x, &y, &w, &h);
elm_smart_scroller_child_region_show(wd->scr, x, y, w, h);
}
static void
_sizing_eval(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
Evas_Coord vw, vh, minw, minh, maxw, maxh, w, h, vmw, vmh;
double xw, yw;
evas_object_size_hint_min_get(wd->box, &minw, &minh);
evas_object_size_hint_max_get(wd->box, &maxw, &maxh);
evas_object_size_hint_weight_get(wd->box, &xw, &yw);
if (!wd->scr) return;
elm_smart_scroller_child_viewport_size_get(wd->scr, &vw, &vh);
if (xw > 0.0)
{
if ((minw > 0) && (vw < minw)) vw = minw;
else if ((maxw > 0) && (vw > maxw)) vw = maxw;
}
else if (minw > 0) vw = minw;
if (yw > 0.0)
{
if ((minh > 0) && (vh < minh)) vh = minh;
else if ((maxh > 0) && (vh > maxh)) vh = maxh;
}
else if (minh > 0) vh = minh;
evas_object_resize(wd->box, vw, vh);
w = -1;
h = -1;
edje_object_size_min_calc(elm_smart_scroller_edje_object_get(wd->scr),
&vmw, &vmh);
if (wd->scr_minw) w = vmw + minw;
if (wd->scr_minh) h = vmh + minh;
evas_object_size_hint_max_get(obj, &maxw, &maxh);
if ((maxw > 0) && (w > maxw))
w = maxw;
if ((maxh > 0) && (h > maxh))
h = maxh;
evas_object_size_hint_min_set(obj, w, h);
}
static void
_signal_emit_hook(Evas_Object *obj, const char *emission, const char *source)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
elm_object_signal_emit(wd->scr, emission, source);
}
static void
_signal_callback_add_hook(Evas_Object *obj, const char *emission, const char *source, void (*func_cb) (void *data, Evas_Object *o, const char *emission, const char *source), void *data)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
elm_object_signal_callback_add(wd->scr, emission, source, func_cb, data);
}
static void *
_signal_callback_del_hook(Evas_Object *obj, const char *emission, const char *source, void (*func_cb) (void *data, Evas_Object *o, const char *emission, const char *source))
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return NULL;
return elm_object_signal_callback_del(wd->scr, emission, source, func_cb);
}
static void
_theme_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
Elm_List_Item *it;
Eina_List *n;
if (!wd) return;
if (wd->scr)
{
Evas_Object *edj;
const char *str;
elm_smart_scroller_object_theme_set(obj, wd->scr, "list", "base",
elm_widget_style_get(obj));
// edje_object_scale_set(wd->scr, elm_widget_scale_get(obj) * _elm_config->scale);
edj = elm_smart_scroller_edje_object_get(wd->scr);
str = edje_object_data_get(edj, "focus_highlight");
if ((str) && (!strcmp(str, "on")))
elm_widget_highlight_in_theme_set(obj, EINA_TRUE);
else
elm_widget_highlight_in_theme_set(obj, EINA_FALSE);
elm_object_style_set(wd->scr, elm_widget_style_get(obj));
}
EINA_LIST_FOREACH(wd->items, n, it)
{
it->fixed = 0;
}
_fix_items(obj);
_sizing_eval(obj);
}
static void
_on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if (elm_widget_focus_get(obj))
{
edje_object_signal_emit(wd->self, "elm,action,focus", "elm");
evas_object_focus_set(wd->self, EINA_TRUE);
if ((wd->selected) && (!wd->last_selected_item))
wd->last_selected_item = eina_list_data_get(wd->selected);
}
else
{
edje_object_signal_emit(wd->self, "elm,action,unfocus", "elm");
evas_object_focus_set(wd->self, EINA_FALSE);
}
}
static void
_changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Widget_Data *wd = elm_widget_data_get(data);
if (!wd) return;
_fix_items(data);
_sizing_eval(data);
}
static void
_sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Object *sub = event_info;
const Eina_List *l;
Elm_List_Item *it;
if (!wd) return;
if (!sub) abort();
if (sub == wd->scr)
wd->scr = NULL;
else
{
EINA_LIST_FOREACH(wd->items, l, it)
{
if ((sub == it->icon) || (sub == it->end))
{
if (it->icon == sub) it->icon = NULL;
if (it->end == sub) it->end = NULL;
evas_object_event_callback_del_full
(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints,
obj);
if (!wd->walking)
{
_fix_items(obj);
_sizing_eval(obj);
}
else
wd->fix_pending = EINA_TRUE;
break;
}
}
}
}
static void
_item_hilight(Elm_List_Item *it)
{
Widget_Data *wd = elm_widget_data_get(it->base.widget);
const char *selectraise;
if (!wd) return;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (it->hilighted) return;
_elm_list_walk(wd);
edje_object_signal_emit(it->base.view, "elm,state,selected", "elm");
selectraise = edje_object_data_get(it->base.view, "selectraise");
if ((selectraise) && (!strcmp(selectraise, "on")))
evas_object_raise(it->base.view);
it->hilighted = EINA_TRUE;
_elm_list_unwalk(wd);
}
static void
_item_select(Elm_List_Item *it)
{
Widget_Data *wd = elm_widget_data_get(it->base.widget);
if (!wd) return;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (it->selected)
{
if (wd->always_select) goto call;
return;
}
it->selected = EINA_TRUE;
wd->selected = eina_list_append(wd->selected, it);
call:
_elm_list_walk(wd);
if (it->func) it->func((void *)it->base.data, it->base.widget, it);
evas_object_smart_callback_call(it->base.widget, "selected", it);
_elm_list_unwalk(wd);
it->wd->last_selected_item = it;
}
static void
_item_unselect(Elm_List_Item *it)
{
Widget_Data *wd = elm_widget_data_get(it->base.widget);
const char *stacking, *selectraise;
if (!wd) return;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (!it->hilighted) return;
_elm_list_walk(wd);
edje_object_signal_emit(it->base.view, "elm,state,unselected", "elm");
stacking = edje_object_data_get(it->base.view, "stacking");
selectraise = edje_object_data_get(it->base.view, "selectraise");
if ((selectraise) && (!strcmp(selectraise, "on")))
{
if ((stacking) && (!strcmp(stacking, "below")))
evas_object_lower(it->base.view);
}
it->hilighted = EINA_FALSE;
if (it->selected)
{
it->selected = EINA_FALSE;
wd->selected = eina_list_remove(wd->selected, it);
evas_object_smart_callback_call(it->base.widget, "unselected", it);
}
_elm_list_unwalk(wd);
}
static Eina_Bool
_swipe_cancel(void *data)
{
Elm_List_Item *it = data;
Widget_Data *wd = elm_widget_data_get(it->base.widget);
if (!wd) return ECORE_CALLBACK_CANCEL;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, ECORE_CALLBACK_CANCEL);
wd->swipe = EINA_FALSE;
wd->movements = 0;
return ECORE_CALLBACK_RENEW;
}
static void
_mouse_move(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
{
Elm_List_Item *it = data;
Widget_Data *wd = elm_widget_data_get(it->base.widget);
Evas_Event_Mouse_Move *ev = event_info;
if (!wd) return;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
{
if (!wd->on_hold)
{
wd->on_hold = EINA_TRUE;
if (it->long_timer)
{
ecore_timer_del(it->long_timer);
it->long_timer = NULL;
}
if (!wd->wasselected)
_item_unselect(it);
}
if (wd->movements == SWIPE_MOVES) wd->swipe = EINA_TRUE;
else
{
wd->history[wd->movements].x = ev->cur.canvas.x;
wd->history[wd->movements].y = ev->cur.canvas.y;
if (abs((wd->history[wd->movements].x - wd->history[0].x)) > 40)
wd->swipe = EINA_TRUE;
else
wd->movements++;
}
}
}
static Eina_Bool
_long_press(void *data)
{
Elm_List_Item *it = data;
Widget_Data *wd = elm_widget_data_get(it->base.widget);
if (!wd)
goto end;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, ECORE_CALLBACK_CANCEL);
it->long_timer = NULL;
if (it->disabled)
goto end;
wd->longpressed = EINA_TRUE;
evas_object_smart_callback_call(it->base.widget, "longpressed", it);
end:
return ECORE_CALLBACK_CANCEL;
}
static void
_swipe(Elm_List_Item *it)
{
int i, sum = 0;
Widget_Data *wd = elm_widget_data_get(it->base.widget);
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (!wd) return;
wd->swipe = EINA_FALSE;
for (i = 0; i < wd->movements; i++)
{
sum += wd->history[i].x;
if (abs(wd->history[0].y - wd->history[i].y) > 10) return;
}
sum /= wd->movements;
if (abs(sum - wd->history[0].x) <= 10) return;
evas_object_smart_callback_call(it->base.widget, "swipe", it);
}
static void
_mouse_down(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
{
Elm_List_Item *it = data;
Widget_Data *wd = elm_widget_data_get(it->base.widget);
Evas_Event_Mouse_Down *ev = event_info;
if (!wd) return;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (ev->button != 1) return;
if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) wd->on_hold = EINA_TRUE;
else wd->on_hold = EINA_FALSE;
wd->wasselected = it->selected;
_item_hilight(it);
wd->longpressed = EINA_FALSE;
if (it->long_timer) ecore_timer_del(it->long_timer);
it->long_timer = ecore_timer_add(1.0, _long_press, it);
if (it->swipe_timer) ecore_timer_del(it->swipe_timer);
it->swipe_timer = ecore_timer_add(0.4, _swipe_cancel, it);
/* Always call the callbacks last - the user may delete our context! */
if (ev->flags & EVAS_BUTTON_DOUBLE_CLICK)
evas_object_smart_callback_call(it->base.widget, "clicked", it);
wd->swipe = EINA_FALSE;
wd->movements = 0;
}
static void
_mouse_up(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
{
Elm_List_Item *it = data;
Widget_Data *wd = elm_widget_data_get(it->base.widget);
Evas_Event_Mouse_Up *ev = event_info;
if (!wd) return;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (ev->button != 1) return;
if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) wd->on_hold = EINA_TRUE;
else wd->on_hold = EINA_FALSE;
wd->longpressed = EINA_FALSE;
if (it->long_timer)
{
ecore_timer_del(it->long_timer);
it->long_timer = NULL;
}
if (it->swipe_timer)
{
ecore_timer_del(it->swipe_timer);
it->swipe_timer = NULL;
}
if (wd->on_hold)
{
if (wd->swipe) _swipe(data);
wd->on_hold = EINA_FALSE;
return;
}
if (wd->longpressed)
{
if (!wd->wasselected) _item_unselect(it);
wd->wasselected = 0;
return;
}
if (it->disabled)
return;
_elm_list_walk(wd); // watch out "return" before unwalk!
if (wd->multi)
{
if (!it->selected)
{
_item_hilight(it);
_item_select(it);
}
else _item_unselect(it);
}
else
{
if (!it->selected)
{
while (wd->selected)
_item_unselect(wd->selected->data);
_item_hilight(it);
_item_select(it);
}
else
{
const Eina_List *l, *l_next;
Elm_List_Item *it2;
EINA_LIST_FOREACH_SAFE(wd->selected, l, l_next, it2)
if (it2 != it) _item_unselect(it2);
_item_hilight(it);
_item_select(it);
}
}
_elm_list_unwalk(wd);
}
static Elm_List_Item *
_item_new(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Object *end, Evas_Smart_Cb func, const void *data)
{
Widget_Data *wd = elm_widget_data_get(obj);
Elm_List_Item *it;
if (!wd) return NULL;
it = elm_widget_item_new(obj, Elm_List_Item);
it->wd = wd;
it->label = eina_stringshare_add(label);
it->icon = icon;
it->end = end;
it->func = func;
it->base.data = data;
it->base.view = edje_object_add(evas_object_evas_get(obj));
evas_object_event_callback_add(it->base.view, EVAS_CALLBACK_MOUSE_DOWN,
_mouse_down, it);
evas_object_event_callback_add(it->base.view, EVAS_CALLBACK_MOUSE_UP,
_mouse_up, it);
evas_object_event_callback_add(it->base.view, EVAS_CALLBACK_MOUSE_MOVE,
_mouse_move, it);
evas_object_size_hint_weight_set(it->base.view, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(it->base.view, EVAS_HINT_FILL, EVAS_HINT_FILL);
if (it->icon)
{
elm_widget_sub_object_add(obj, it->icon);
evas_object_event_callback_add(it->icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
}
if (it->end)
{
elm_widget_sub_object_add(obj, it->end);
evas_object_event_callback_add(it->end, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
}
return it;
}
static void
_elm_list_mode_set_internal(Widget_Data *wd)
{
if (!wd->scr)
return;
if (wd->mode == ELM_LIST_LIMIT)
{
if (!wd->h_mode)
{
wd->scr_minw = EINA_TRUE;
wd->scr_minh = EINA_FALSE;
}
else
{
wd->scr_minw = EINA_FALSE;
wd->scr_minh = EINA_TRUE;
}
}
else if (wd->mode == ELM_LIST_EXPAND)
{
wd->scr_minw = EINA_TRUE;
wd->scr_minh = EINA_TRUE;
}
else
{
wd->scr_minw = EINA_FALSE;
wd->scr_minh = EINA_FALSE;
}
_sizing_eval(wd->self);
}
static void
_fix_items(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
const Eina_List *l;
Elm_List_Item *it;
Evas_Coord minw[2] = { 0, 0 }, minh[2] = { 0, 0 };
Evas_Coord mw, mh;
int i, redo = 0;
const char *style = elm_widget_style_get(obj);
const char *it_plain = wd->h_mode ? "h_item" : "item";
const char *it_odd = wd->h_mode ? "h_item_odd" : "item_odd";
const char *it_compress = wd->h_mode ? "h_item_compress" : "item_compress";
const char *it_compress_odd = wd->h_mode ? "h_item_compress_odd" : "item_compress_odd";
if (!wd) return;
if (wd->walking)
{
wd->fix_pending = EINA_TRUE;
return;
}
_elm_list_walk(wd); // watch out "return" before unwalk!
EINA_LIST_FOREACH(wd->items, l, it)
{
if (it->deleted) continue;
if (it->icon)
{
evas_object_size_hint_min_get(it->icon, &mw, &mh);
if (mw > minw[0]) minw[0] = mw;
if (mh > minh[0]) minh[0] = mh;
}
if (it->end)
{
evas_object_size_hint_min_get(it->end, &mw, &mh);
if (mw > minw[1]) minw[1] = mw;
if (mh > minh[1]) minh[1] = mh;
}
}
if ((minw[0] != wd->minw[0]) || (minw[1] != wd->minw[1]) ||
(minw[0] != wd->minh[0]) || (minh[1] != wd->minh[1]))
{
wd->minw[0] = minw[0];
wd->minw[1] = minw[1];
wd->minh[0] = minh[0];
wd->minh[1] = minh[1];
redo = 1;
}
i = 0;
EINA_LIST_FOREACH(wd->items, l, it)
{
if (it->deleted)
continue;
it->even = i & 0x1;
if ((it->even != it->is_even) || (!it->fixed) || (redo))
{
const char *stacking;
/* FIXME: separators' themes seem to be b0rked */
if (it->is_separator)
_elm_theme_object_set(obj, it->base.view, "separator",
wd->h_mode ? "horizontal" : "vertical",
style);
else if (wd->mode == ELM_LIST_COMPRESS)
{
if (it->even)
_elm_theme_object_set(obj, it->base.view, "list",
it_compress, style);
else
_elm_theme_object_set(obj, it->base.view, "list",
it_compress_odd, style);
}
else
{
if (it->even)
_elm_theme_object_set(obj, it->base.view, "list", it_plain,
style);
else
_elm_theme_object_set(obj, it->base.view, "list", it_odd,
style);
}
stacking = edje_object_data_get(it->base.view, "stacking");
if (stacking)
{
if (!strcmp(stacking, "below"))
evas_object_lower(it->base.view);
else if (!strcmp(stacking, "above"))
evas_object_raise(it->base.view);
}
edje_object_part_text_set(it->base.view, "elm.text", it->label);
if ((!it->icon) && (minh[0] > 0))
{
it->icon = evas_object_rectangle_add(evas_object_evas_get(it->base.view));
evas_object_color_set(it->icon, 0, 0, 0, 0);
it->dummy_icon = EINA_TRUE;
}
if ((!it->end) && (minh[1] > 0))
{
it->end = evas_object_rectangle_add(evas_object_evas_get(it->base.view));
evas_object_color_set(it->end, 0, 0, 0, 0);
it->dummy_end = EINA_TRUE;
}
if (it->icon)
{
evas_object_size_hint_min_set(it->icon, minw[0], minh[0]);
evas_object_size_hint_max_set(it->icon, 99999, 99999);
edje_object_part_swallow(it->base.view, "elm.swallow.icon", it->icon);
}
if (it->end)
{
evas_object_size_hint_min_set(it->end, minw[1], minh[1]);
evas_object_size_hint_max_set(it->end, 99999, 99999);
edje_object_part_swallow(it->base.view, "elm.swallow.end", it->end);
}
if (!it->fixed)
{
// this may call up user and it may modify the list item
// but we're safe as we're flagged as walking.
// just don't process further
edje_object_message_signal_process(it->base.view);
if (it->deleted)
continue;
mw = mh = -1;
elm_coords_finger_size_adjust(1, &mw, 1, &mh);
edje_object_size_min_restricted_calc(it->base.view, &mw, &mh, mw, mh);
elm_coords_finger_size_adjust(1, &mw, 1, &mh);
evas_object_size_hint_min_set(it->base.view, mw, mh);
evas_object_show(it->base.view);
}
if ((it->selected) || (it->hilighted))
{
const char *selectraise;
// this may call up user and it may modify the list item
// but we're safe as we're flagged as walking.
// just don't process further
edje_object_signal_emit(it->base.view, "elm,state,selected", "elm");
if (it->deleted)
continue;
selectraise = edje_object_data_get(it->base.view, "selectraise");
if ((selectraise) && (!strcmp(selectraise, "on")))
evas_object_raise(it->base.view);
}
if (it->disabled)
edje_object_signal_emit(it->base.view, "elm,state,disabled",
"elm");
it->fixed = EINA_TRUE;
it->is_even = it->even;
}
i++;
}
_elm_list_unwalk(wd);
mw = 0; mh = 0;
evas_object_size_hint_min_get(wd->box, &mw, &mh);
_elm_list_mode_set_internal(wd);
}
static void
_hold_on(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->scr)
elm_widget_scroll_hold_push(wd->scr);
}
static void
_hold_off(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->scr)
elm_widget_scroll_hold_pop(wd->scr);
}
static void
_freeze_on(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->scr)
elm_widget_scroll_hold_push(wd->scr);
}
static void
_freeze_off(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->scr)
elm_widget_scroll_hold_pop(wd->scr);
}
static void
_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
_sizing_eval(data);
}
/**
* Adds a list object.
*
* @param parent The parent object
* @return The created object or NULL upon failure
*
* @ingroup List
*/
EAPI Evas_Object *
elm_list_add(Evas_Object *parent)
{
Evas_Object *obj;
Evas *e;
Widget_Data *wd;
Evas_Coord minw, minh;
wd = ELM_NEW(Widget_Data);
e = evas_object_evas_get(parent);
wd->self = obj = elm_widget_add(e);
ELM_SET_WIDTYPE(widtype, "list");
elm_widget_type_set(obj, "list");
elm_widget_sub_object_add(parent, obj);
elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
elm_widget_data_set(obj, wd);
elm_widget_del_hook_set(obj, _del_hook);
elm_widget_theme_hook_set(obj, _theme_hook);
elm_widget_can_focus_set(obj, EINA_TRUE);
elm_widget_signal_emit_hook_set(obj, _signal_emit_hook);
elm_widget_signal_callback_add_hook_set(obj, _signal_callback_add_hook);
elm_widget_signal_callback_del_hook_set(obj, _signal_callback_del_hook);
elm_widget_event_hook_set(obj, _event_hook);
wd->scr = elm_smart_scroller_add(e);
elm_smart_scroller_widget_set(wd->scr, obj);
_theme_hook(obj);
elm_widget_resize_object_set(obj, wd->scr);
evas_object_event_callback_add(wd->scr, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
edje_object_size_min_calc(elm_smart_scroller_edje_object_get(wd->scr), &minw, &minh);
evas_object_size_hint_min_set(obj, minw, minh);
evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _resize, obj);
elm_smart_scroller_bounce_allow_set(wd->scr, EINA_FALSE,
_elm_config->thumbscroll_bounce_enable);
wd->box = elm_box_add(parent);
elm_box_homogenous_set(wd->box, 1);
evas_object_size_hint_weight_set(wd->box, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(wd->box, EVAS_HINT_FILL, 0.0);
elm_widget_on_show_region_hook_set(wd->box, _show_region_hook, obj);
elm_widget_sub_object_add(obj, wd->box);
elm_smart_scroller_child_set(wd->scr, wd->box);
evas_object_event_callback_add(wd->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
evas_object_show(wd->box);
wd->mode = ELM_LIST_SCROLL;
evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
evas_object_smart_callback_add(obj, "scroll-hold-on", _hold_on, obj);
evas_object_smart_callback_add(obj, "scroll-hold-off", _hold_off, obj);
evas_object_smart_callback_add(obj, "scroll-freeze-on", _freeze_on, obj);
evas_object_smart_callback_add(obj, "scroll-freeze-off", _freeze_off, obj);
_sizing_eval(obj);
return obj;
}
/**
* Appends an item to the list object.
*
* @param obj The list object
* @param label The label of the list item
* @param icon The icon object to use for the left side of the item
* @param end The icon object to use for the right side of the item
* @param func The function to call when the item is clicked
* @param data The data to associate with the item for related callbacks
*
* @return The created item or NULL upon failure
*
* @ingroup List
*/
EAPI Elm_List_Item *
elm_list_item_append(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Object *end, Evas_Smart_Cb func, const void *data)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd = elm_widget_data_get(obj);
Elm_List_Item *it = _item_new(obj, label, icon, end, func, data);
wd->items = eina_list_append(wd->items, it);
it->node = eina_list_last(wd->items);
elm_box_pack_end(wd->box, it->base.view);
return it;
}
/**
* Prepends an item to the list object.
*
* @param obj The list object
* @param label The label of the list item
* @param icon The icon object to use for the left side of the item
* @param end The icon object to use for the right side of the item
* @param func The function to call when the item is clicked
* @param data The data to associate with the item for related callbacks
*
* @return The created item or NULL upon failure
*
* @ingroup List
*/
EAPI Elm_List_Item *
elm_list_item_prepend(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Object *end, Evas_Smart_Cb func, const void *data)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd = elm_widget_data_get(obj);
Elm_List_Item *it = _item_new(obj, label, icon, end, func, data);
wd->items = eina_list_prepend(wd->items, it);
it->node = wd->items;
elm_box_pack_start(wd->box, it->base.view);
return it;
}
/**
* Inserts an item into the list object before @p before.
*
* @param obj The list object
* @param before The list item to insert before
* @param label The label of the list item
* @param icon The icon object to use for the left side of the item
* @param end The icon object to use for the right side of the item
* @param func The function to call when the item is clicked
* @param data The data to associate with the item for related callbacks
*
* @return The created item or NULL upon failure
*
* @ingroup List
*/
EAPI Elm_List_Item *
elm_list_item_insert_before(Evas_Object *obj, Elm_List_Item *before, const char *label, Evas_Object *icon, Evas_Object *end, Evas_Smart_Cb func, const void *data)
{
Widget_Data *wd;
Elm_List_Item *it;
if ((!before) || (!before->node)) return NULL;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(before, NULL);
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
wd = elm_widget_data_get(obj);
if (!wd) return NULL;
it = _item_new(obj, label, icon, end, func, data);
wd->items = eina_list_prepend_relative_list(wd->items, it, before->node);
it->node = before->node->prev;
elm_box_pack_before(wd->box, it->base.view, before->base.view);
return it;
}
/**
* Inserts an item into the list object after @p after.
*
* @param obj The list object
* @param after The list item to insert after
* @param label The label of the list item
* @param icon The icon object to use for the left side of the item
* @param end The icon object to use for the right side of the item
* @param func The function to call when the item is clicked
* @param data The data to associate with the item for related callbacks
*
* @return The created item or NULL upon failure
*
* @ingroup List
*/
EAPI Elm_List_Item *
elm_list_item_insert_after(Evas_Object *obj, Elm_List_Item *after, const char *label, Evas_Object *icon, Evas_Object *end, Evas_Smart_Cb func, const void *data)
{
Widget_Data *wd;
Elm_List_Item *it;
if ((!after) || (!after->node)) return NULL;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(after, NULL);
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
wd = elm_widget_data_get(obj);
if (!wd) return NULL;
it = _item_new(obj, label, icon, end, func, data);
wd->items = eina_list_append_relative_list(wd->items, it, after->node);
it->node = after->node->next;
elm_box_pack_after(wd->box, it->base.view, after->base.view);
return it;
}
/**
* Insert a new item into the sorted list object.
*
* @param obj The list object
* @param label The label of the list item
* @param icon The icon object to use for the left side of the item
* @param end The icon object to use for the right side of the item
* @param func The function to call when the item is clicked
* @param data The data to associate with the item for related callbacks
* @param cmp_func The function called for the sort.
*
* @return The created item or NULL upon failure
*
* @ingroup List
*/
EAPI Elm_List_Item *
elm_list_item_sorted_insert(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Object *end, Evas_Smart_Cb func, const void *data, Eina_Compare_Cb cmp_func)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd = elm_widget_data_get(obj);
Elm_List_Item *it = _item_new(obj, label, icon, end, func, data);
Eina_List *l;
wd->items = eina_list_sorted_insert(wd->items, cmp_func, it);
l = eina_list_data_find_list(wd->items, it);
l = eina_list_next(l);
if (!l)
{
it->node = eina_list_last(wd->items);
elm_box_pack_end(wd->box, it->base.view);
}
else
{
Elm_List_Item *before = eina_list_data_get(l);
it->node = before->node->prev;
elm_box_pack_before(wd->box, it->base.view, before->base.view);
}
return it;
}
/**
* Clears a list of all items.
*
* @param obj The list object
*
* @ingroup List
*/
EAPI void
elm_list_clear(Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
Elm_List_Item *it;
if (!wd) return;
if (!wd->items) return;
eina_list_free(wd->selected);
wd->selected = NULL;
if (wd->walking > 0)
{
Eina_List *n;
EINA_LIST_FOREACH(wd->items, n, it)
{
if (it->deleted) continue;
it->deleted = EINA_TRUE;
wd->to_delete = eina_list_append(wd->to_delete, it);
}
return;
}
_elm_list_walk(wd);
EINA_LIST_FREE(wd->items, it)
{
elm_widget_item_pre_notify_del(it);
_elm_list_item_free(it);
}
_elm_list_unwalk(wd);
_fix_items(obj);
_sizing_eval(obj);
}
/**
* Starts the list. Call before running show() on the list object.
*
* @param obj The list object
*
* @ingroup List
*/
EAPI void
elm_list_go(Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
_fix_items(obj);
}
/**
* Enables/disables the state of multi-select on the list object.
*
* @param obj The list object
* @param multi If true, multi-select is enabled
*
* @ingroup List
*/
EAPI void
elm_list_multi_select_set(Evas_Object *obj, Eina_Bool multi)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
wd->multi = multi;
}
/**
* Gets the state of multi-select on the list object.
*
* @param obj The list object
* @return If true, multi-select is enabled
*
* @ingroup List
*/
EAPI Eina_Bool
elm_list_multi_select_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return EINA_FALSE;
return wd->multi;
}
/**
* Set which mode to use for the list with.
*
* @param obj The list object
* @param mode One of @c ELM_LIST_COMPRESS, @c ELM_LIST_SCROLL or @c
* ELM_LIST_LIMIT.
*
* @note Default value is @c ELM_LIST_SCROLL. At this mode, the list
* object won't set any of its size hints to inform how a possible
* container should resize it. Then, if it's not created as a "resize
* object", it might end with zero dimensions. The list will respect
* the container's geometry and, if any of its items won't fit into
* its transverse axis, one will be able to scroll it in that
* direction. @c ELM_LIST_COMPRESS is the same as the previous, except
* that it <b>won't</b> let one scroll in the transverse axis, on
* those cases (large items will get cropped). @c ELM_LIST_LIMIT will
* actually set a minimun size hint on the list object, so that
* containers may respect it (and resize itself to fit the child
* properly). More specifically, a minimum size hint will be set for
* its transverse axis, so that the <b>largest</b> item in that
* direction fits well. @c ELM_LIST_EXPAND, besides setting a minimum
* size on the transverse axis, just like the previous mode, will set
* a minimum size on the longitudinal axis too, trying to reserve
* space to all its children to be visible at a time. The last two
* modes can always have effects bounded by setting the list object's
* maximum size hints, though.
*
* @ingroup List
*/
EAPI void
elm_list_mode_set(Evas_Object *obj, Elm_List_Mode mode)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd;
wd = elm_widget_data_get(obj);
if (!wd)
return;
if (wd->mode == mode)
return;
wd->mode = mode;
_elm_list_mode_set_internal(wd);
}
/**
* Get the mode the list is at.
*
* @param obj The list object
* @return mode One of @c ELM_LIST_COMPRESS, @c ELM_LIST_SCROLL or @c
* ELM_LIST_LIMIT (@c ELM_LIST_LAST on errors).
*
* @note see elm_list_mode_set() for more information.
*
* @ingroup List
*/
EAPI Elm_List_Mode
elm_list_mode_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) ELM_LIST_LAST;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return ELM_LIST_LAST;
return wd->mode;
}
/**
* Enables/disables horizontal mode of the list.
*
* @param obj The list object
* @param mode If true, horizontale mode is enabled
*
* @note Bounce options for the list will be reset to default values
* with this funcion. Re-call elm_list_bounce_set() once more after
* this one, if you had custom values.
*
* @ingroup List
*/
EAPI void
elm_list_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd;
Eina_Bool bounce = _elm_config->thumbscroll_bounce_enable;
wd = elm_widget_data_get(obj);
if (!wd)
return;
if (wd->h_mode == horizontal)
return;
wd->h_mode = horizontal;
elm_box_horizontal_set(wd->box, horizontal);
if (horizontal)
{
evas_object_size_hint_weight_set(wd->box, 0.0, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(wd->box, 0.0, EVAS_HINT_FILL);
elm_smart_scroller_bounce_allow_set(wd->scr, bounce, EINA_FALSE);
}
else
{
evas_object_size_hint_weight_set(wd->box, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(wd->box, EVAS_HINT_FILL, 0.0);
elm_smart_scroller_bounce_allow_set(wd->scr, EINA_FALSE, bounce);
}
_elm_list_mode_set_internal(wd);
}
/**
* Retrieve whether horizontal mode is enabled for a list.
*
* @param obj The list object
* @return @c EINA_TRUE, if horizontal mode is enabled and @c
* EINA_FALSE, otherwise.
*
* @note see elm_list_horizontal_set() for more information.
*
* @ingroup List
*/
EAPI Eina_Bool
elm_list_horizontal_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
Widget_Data *wd;
wd = elm_widget_data_get(obj);
if (!wd)
return EINA_FALSE;
return wd->h_mode;
}
/**
* Enables/disables the state of always_select, meaning that
* an item will always be selected.
*
* @param obj The list object
* @param always_select If true, always_select is enabled
*
* @ingroup List
*/
EAPI void
elm_list_always_select_mode_set(Evas_Object *obj, Eina_Bool always_select)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
wd->always_select = always_select;
}
/**
* Gets the state of always_select.
* See also elm_list_always_select_mode_set()
*
* @param obj The list object
* @return If true, always_select is enabled
*
* @ingroup List
*/
EAPI Eina_Bool
elm_list_always_select_mode_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return EINA_FALSE;
return wd->always_select;
}
/**
* Returns a list of all the list items.
*
* @param obj The list object
* @return An Eina_List* of the list items, or NULL on failure
*
* @ingroup List
*/
EAPI const Eina_List *
elm_list_items_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return NULL;
return wd->items;
}
/**
* Returns the currently selected list item.
*
* @param obj The list object
* @return The selected list item, or NULL on failure
*
* @ingroup List
*/
EAPI Elm_List_Item *
elm_list_selected_item_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return NULL;
if (wd->selected) return wd->selected->data;
return NULL;
}
/**
* Returns a list of the currently selected list items.
*
* @param obj The list object
* @return An Eina_List* of the selected list items, or NULL on failure
*
* @ingroup List
*/
EAPI const Eina_List *
elm_list_selected_items_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return NULL;
return wd->selected;
}
/**
* Sets if item is a separator.
*
* @param it The list item object
* @param setting
*/
EAPI void
elm_list_item_separator_set(Elm_List_Item *it, Eina_Bool setting)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
it->is_separator = !!setting;
}
/**
* Returns EINA_TRUE if Elm_List_Item is a separator.
*
* @param it The list item object
*/
EAPI Eina_Bool
elm_list_item_separator_get(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, EINA_FALSE);
return it->is_separator;
}
/**
* Sets the selected state of @p it.
*
* @param it The list item
* @param selected Enables/disables the selected state
*
* @ingroup List
*/
EAPI void
elm_list_item_selected_set(Elm_List_Item *it, Eina_Bool selected)
{
Widget_Data *wd = elm_widget_data_get(it->base.widget);
if (!wd) return;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
selected = !!selected;
if (it->selected == selected) return;
_elm_list_walk(wd);
if (selected)
{
if (!wd->multi)
{
while (wd->selected)
_item_unselect(wd->selected->data);
}
_item_hilight(it);
_item_select(it);
}
else
_item_unselect(it);
_elm_list_unwalk(wd);
}
/**
* Gets the selected state of @p it.
*
* @param it The list item
* @return If true, the item is selected
*
* @ingroup List
*/
EAPI Eina_Bool
elm_list_item_selected_get(Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, EINA_FALSE);
return it->selected;
}
/**
* Brings @p it to the center of the list view.
*
* @param it The list item
*
* @ingroup List
*/
EAPI void
elm_list_item_show(Elm_List_Item *it)
{
Widget_Data *wd = elm_widget_data_get(it->base.widget);
Evas_Coord bx, by, bw, bh;
Evas_Coord x, y, w, h;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
evas_object_geometry_get(wd->box, &bx, &by, &bw, &bh);
evas_object_geometry_get(it->base.view, &x, &y, &w, &h);
x -= bx;
y -= by;
if (wd->scr)
elm_smart_scroller_child_region_show(wd->scr, x, y, w, h);
}
/**
* Bring in the given item
*
* This causes list to jump to the given item @p it and show it (by scrolling),
* if it is not fully visible. This may use animation to do so and take a
* period of time
*
* @param it The item
*
* @ingroup List
*/
EAPI void
elm_list_item_bring_in(Elm_List_Item *it)
{
Widget_Data *wd = elm_widget_data_get(it->base.widget);
Evas_Coord bx, by, bw, bh;
Evas_Coord x, y, w, h;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
evas_object_geometry_get(wd->box, &bx, &by, &bw, &bh);
evas_object_geometry_get(it->base.view, &x, &y, &w, &h);
x -= bx;
y -= by;
if (wd->scr)
elm_smart_scroller_region_bring_in(wd->scr, x, y, w, h);
}
/**
* Deletes item @p it from the list.
*
* @param it The list item to delete
*
* @ingroup List
*/
EAPI void
elm_list_item_del(Elm_List_Item *it)
{
Widget_Data *wd = elm_widget_data_get(it->base.widget);
if (!wd) return;
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (it->selected) _item_unselect(it);
if (wd->walking > 0)
{
if (it->deleted) return;
it->deleted = EINA_TRUE;
wd->to_delete = eina_list_append(wd->to_delete, it);
return;
}
wd->items = eina_list_remove_list(wd->items, it->node);
_elm_list_walk(wd);
elm_widget_item_pre_notify_del(it);
_elm_list_item_free(it);
_elm_list_unwalk(wd);
}
/**
* Set the function called when a list item is freed.
*
* @param it The item to set the callback on
* @param func The function called
*
* @ingroup List
*/
EAPI void
elm_list_item_del_cb_set(Elm_List_Item *it, Evas_Smart_Cb func)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
elm_widget_item_del_cb_set(it, func);
}
/**
* Returns the data associated with the item.
*
* @param it The list item
* @return The data associated with @p it
*
* @ingroup List
*/
EAPI void *
elm_list_item_data_get(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, NULL);
return elm_widget_item_data_get(it);
}
/**
* Returns the left side icon associated with the item.
*
* @param it The list item
* @return The left side icon associated with @p it
*
* @ingroup List
*/
EAPI Evas_Object *
elm_list_item_icon_get(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, NULL);
if (it->dummy_icon) return NULL;
return it->icon;
}
/**
* Sets the left side icon associated with the item.
*
* Once the icon object is set, a previously set one will be deleted.
* You probably don't want, then, to have the <b>same</b> icon object set
* for more than one item of the list.
*
* @param it The list item
* @param icon The left side icon object to associate with @p it
*
* @ingroup List
*/
EAPI void
elm_list_item_icon_set(Elm_List_Item *it, Evas_Object *icon)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (it->icon == icon) return;
if ((it->dummy_icon) && (!icon)) return;
if (it->dummy_icon)
{
evas_object_del(it->icon);
it->dummy_icon = EINA_FALSE;
}
if (!icon)
{
icon = evas_object_rectangle_add(evas_object_evas_get(it->base.widget));
evas_object_color_set(icon, 0, 0, 0, 0);
it->dummy_icon = EINA_TRUE;
}
if (it->icon)
{
evas_object_del(it->icon);
it->icon = NULL;
}
it->icon = icon;
if (it->base.view)
edje_object_part_swallow(it->base.view, "elm.swallow.icon", icon);
}
/**
* Gets the right side icon associated with the item.
*
* @param it The list item
* @return The right side icon object associated with @p it
*
* @ingroup List
*/
EAPI Evas_Object *
elm_list_item_end_get(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, NULL);
if (it->dummy_end) return NULL;
return it->end;
}
/**
* Sets the right side icon associated with the item.
*
* Once the icon object is set, a previously set one will be deleted.
* You probably don't want, then, to have the <b>same</b> icon object set
* for more than one item of the list.
*
* @param it The list item
* @param icon The right side icon object to associate with @p it
*
* @ingroup List
*/
EAPI void
elm_list_item_end_set(Elm_List_Item *it, Evas_Object *end)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (it->end == end) return;
if ((it->dummy_end) && (!end)) return;
if (it->dummy_end)
{
evas_object_del(it->end);
it->dummy_icon = EINA_FALSE;
}
if (!end)
{
end = evas_object_rectangle_add(evas_object_evas_get(it->base.widget));
evas_object_color_set(end, 0, 0, 0, 0);
it->dummy_end = EINA_TRUE;
}
if (it->end)
{
evas_object_del(it->end);
it->end = NULL;
}
it->end = end;
if (it->base.view)
edje_object_part_swallow(it->base.view, "elm.swallow.end", end);
}
/**
* Gets the base object of the item.
*
* @param it The list item
* @return The base object associated with @p it
*
* @ingroup List
*/
EAPI Evas_Object *
elm_list_item_base_get(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, NULL);
return it->base.view;
}
/**
* Gets the label of the item.
*
* @param it The list item
* @return The label of @p it
*
* @ingroup List
*/
EAPI const char *
elm_list_item_label_get(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, NULL);
return it->label;
}
/**
* Sets the label of the item.
*
* @param it The list item
* @param text The label of @p it
*
* @ingroup List
*/
EAPI void
elm_list_item_label_set(Elm_List_Item *it, const char *text)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (!eina_stringshare_replace(&it->label, text)) return;
if (it->base.view)
edje_object_part_text_set(it->base.view, "elm.text", it->label);
}
/**
* Gets the item before @p it in the list.
*
* @param it The list item
* @return The item before @p it, or NULL on failure
*
* @ingroup List
*/
EAPI Elm_List_Item *
elm_list_item_prev(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, NULL);
if (it->node->prev) return it->node->prev->data;
else return NULL;
}
/**
* Gets the item after @p it in the list.
*
* @param it The list item
* @return The item after @p it, or NULL on failure
*
* @ingroup List
*/
EAPI Elm_List_Item *
elm_list_item_next(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, NULL);
if (it->node->next) return it->node->next->data;
else return NULL;
}
/**
* Set the text to be shown in the list item.
*
* @param item Target item
* @param text The text to set in the content
*
* Setup the text as tooltip to object. The item can have only one tooltip,
* so any previous tooltip data is removed.
*
* @ingroup List
*/
EAPI void
elm_list_item_tooltip_text_set(Elm_List_Item *item, const char *text)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item);
elm_widget_item_tooltip_text_set(item, text);
}
/**
* Set the content to be shown in the tooltip item
*
* Setup the tooltip to item. The item can have only one tooltip,
* so any previous tooltip data is removed. @p func(with @p data) will
* be called every time that need show the tooltip and it should
* return a valid Evas_Object. This object is then managed fully by
* tooltip system and is deleted when the tooltip is gone.
*
* @param item the list item being attached a tooltip.
* @param func the function used to create the tooltip contents.
* @param data what to provide to @a func as callback data/context.
* @param del_cb called when data is not needed anymore, either when
* another callback replaces @func, the tooltip is unset with
* elm_list_item_tooltip_unset() or the owner @a item
* dies. This callback receives as the first parameter the
* given @a data, and @c event_info is the item.
*
* @ingroup List
*/
EAPI void
elm_list_item_tooltip_content_cb_set(Elm_List_Item *item, Elm_Tooltip_Item_Content_Cb func, const void *data, Evas_Smart_Cb del_cb)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item);
elm_widget_item_tooltip_content_cb_set(item, func, data, del_cb);
}
/**
* Unset tooltip from item
*
* @param item list item to remove previously set tooltip.
*
* Remove tooltip from item. The callback provided as del_cb to
* elm_list_item_tooltip_content_cb_set() will be called to notify
* it is not used anymore.
*
* @see elm_list_item_tooltip_content_cb_set()
*
* @ingroup List
*/
EAPI void
elm_list_item_tooltip_unset(Elm_List_Item *item)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item);
elm_widget_item_tooltip_unset(item);
}
/**
* Sets a different style for this item tooltip.
*
* @note before you set a style you should define a tooltip with
* elm_list_item_tooltip_content_cb_set() or
* elm_list_item_tooltip_text_set()
*
* @param item list item with tooltip already set.
* @param style the theme style to use (default, transparent, ...)
*
* @ingroup List
*/
EAPI void
elm_list_item_tooltip_style_set(Elm_List_Item *item, const char *style)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item);
elm_widget_item_tooltip_style_set(item, style);
}
/**
* Get the style for this item tooltip.
*
* @param item list item with tooltip already set.
* @return style the theme style in use, defaults to "default". If the
* object does not have a tooltip set, then NULL is returned.
*
* @ingroup List
*/
EAPI const char *
elm_list_item_tooltip_style_get(const Elm_List_Item *item)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item, NULL);
return elm_widget_item_tooltip_style_get(item);
}
/**
* Set the cursor to be shown when mouse is over the list item
*
* @param item Target item
* @param cursor the cursor name to be used.
*
* @see elm_object_cursor_set()
* @ingroup List
*/
EAPI void
elm_list_item_cursor_set(Elm_List_Item *item, const char *cursor)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item);
elm_widget_item_cursor_set(item, cursor);
}
/**
* Unset the cursor to be shown when mouse is over the list item
*
* @param item Target item
*
* @see elm_object_cursor_unset()
* @ingroup List
*/
EAPI void
elm_list_item_cursor_unset(Elm_List_Item *item)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item);
elm_widget_item_cursor_unset(item);
}
/**
* Sets a different style for this item cursor.
*
* @note before you set a style you should define a cursor with
* elm_list_item_cursor_set()
*
* @param item list item with cursor already set.
* @param style the theme style to use (default, transparent, ...)
*
* @ingroup List
*/
EAPI void
elm_list_item_cursor_style_set(Elm_List_Item *item, const char *style)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item);
elm_widget_item_cursor_style_set(item, style);
}
/**
* Get the style for this item cursor.
*
* @param item list item with cursor already set.
* @return style the theme style in use, defaults to "default". If the
* object does not have a cursor set, then NULL is returned.
*
* @ingroup List
*/
EAPI const char *
elm_list_item_cursor_style_get(const Elm_List_Item *item)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item, NULL);
return elm_widget_item_cursor_style_get(item);
}
/**
* Set if the cursor set should be searched on the theme or should use
* the provided by the engine, only.
*
* @note before you set if should look on theme you should define a cursor
* with elm_object_cursor_set(). By default it will only look for cursors
* provided by the engine.
*
* @param item widget item with cursor already set.
* @param engine_only boolean to define it cursors should be looked only
* between the provided by the engine or searched on widget's theme as well.
*
* @ingroup List
*/
EAPI void
elm_list_item_cursor_engine_only_set(Elm_List_Item *item, Eina_Bool engine_only)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item);
elm_widget_item_cursor_engine_only_set(item, engine_only);
}
/**
* Get the cursor engine only usage for this item cursor.
*
* @param item widget item with cursor already set.
* @return engine_only boolean to define it cursors should be looked only
* between the provided by the engine or searched on widget's theme as well. If
* the object does not have a cursor set, then EINA_FALSE is returned.
*
* @ingroup List
*/
EAPI Eina_Bool
elm_list_item_cursor_engine_only_get(const Elm_List_Item *item)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(item, EINA_FALSE);
return elm_widget_item_cursor_engine_only_get(item);
}
/**
* Set bounce mode
*
* This will enable or disable the scroller bounce mode for the list. See
* elm_scroller_bounce_set() for details
*
* @param obj The list object
* @param h_bounce Allow bounce horizontally
* @param v_bounce Allow bounce vertically
*
* @ingroup List
*/
EAPI void
elm_list_bounce_set(Evas_Object *obj, Eina_Bool h_bounce, Eina_Bool v_bounce)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->scr)
elm_smart_scroller_bounce_allow_set(wd->scr, h_bounce, v_bounce);
}
/**
* Set the scrollbar policy
*
* This sets the scrollbar visibility policy for the given scroller.
* ELM_SMART_SCROLLER_POLICY_AUTO means the scrollber is made visible if it
* is needed, and otherwise kept hidden. ELM_SMART_SCROLLER_POLICY_ON turns
* it on all the time, and ELM_SMART_SCROLLER_POLICY_OFF always keeps it off.
* This applies respectively for the horizontal and vertical scrollbars.
*
* @param obj The list object
* @param policy_h Horizontal scrollbar policy
* @param policy_v Vertical scrollbar policy
*
* @ingroup List
*/
EAPI void
elm_list_scroller_policy_set(Evas_Object *obj, Elm_Scroller_Policy policy_h, Elm_Scroller_Policy policy_v)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if ((policy_h >= 3) || (policy_v >= 3)) return;
if (wd->scr)
elm_smart_scroller_policy_set(wd->scr, policy_h, policy_v);
}
EAPI void
elm_list_scroller_policy_get(const Evas_Object *obj, Elm_Scroller_Policy *policy_h, Elm_Scroller_Policy *policy_v)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
Elm_Smart_Scroller_Policy s_policy_h, s_policy_v;
if ((!wd) || (!wd->scr)) return;
elm_smart_scroller_policy_get(wd->scr, &s_policy_h, &s_policy_v);
*policy_h = (Elm_Scroller_Policy) s_policy_h;
*policy_v = (Elm_Scroller_Policy) s_policy_v;
}
/**
* Sets the disabled/enabled state of a list item.
*
* A disabled item cannot be selected or unselected. It will also
* change its appearance (generally greyed out). This sets the
* disabled state (@c EINA_TRUE for disabled, @c EINA_FALSE for
* enabled).
*
* @param it The item
* @param disabled The disabled state
*
* @ingroup List
*/
EAPI void
elm_list_item_disabled_set(Elm_List_Item *it, Eina_Bool disabled)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it);
if (it->disabled == disabled)
return;
it->disabled = !!disabled;
if (it->disabled)
edje_object_signal_emit(it->base.view, "elm,state,disabled", "elm");
else
edje_object_signal_emit(it->base.view, "elm,state,enabled", "elm");
}
/**
* Get the disabled/enabled state of a list item
*
* @param it The item
* @return The disabled state
*
* See elm_list_item_disabled_set().
*
* @ingroup List
*/
EAPI Eina_Bool
elm_list_item_disabled_get(const Elm_List_Item *it)
{
ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, EINA_FALSE);
return it->disabled;
}
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