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

525 lines
16 KiB
C

#include <Elementary.h>
#include "elm_priv.h"
typedef struct _Mod_Api Mod_Api;
struct _Mod_Api
{
void (*out_read) (const char *txt);
void (*out_read_done) (void);
void (*out_cancel) (void);
void (*out_done_callback_set) (void (*func) (void *data), const void *data);
};
static int initted = 0;
static Mod_Api *mapi = NULL;
static void
_access_init(void)
{
Elm_Module *m;
initted++;
if (initted > 1) return;
if (!(m = _elm_module_find_as("access/api"))) return;
m->api = malloc(sizeof(Mod_Api));
if (!m->api) return;
m->init_func(m);
((Mod_Api *)(m->api) )->out_read = // called to read out some text
_elm_module_symbol_get(m, "out_read");
((Mod_Api *)(m->api) )->out_read_done = // called to set a done marker so when it is reached the done callback is called
_elm_module_symbol_get(m, "out_read_done");
((Mod_Api *)(m->api) )->out_cancel = // called to read out some text
_elm_module_symbol_get(m, "out_cancel");
((Mod_Api *)(m->api) )->out_done_callback_set = // called when last read done
_elm_module_symbol_get(m, "out_done_callback_set");
mapi = m->api;
}
static Elm_Access_Item *
_access_add_set(Elm_Access_Info *ac, int type)
{
Elm_Access_Item *ai;
Eina_List *l;
if (!ac) return NULL;
EINA_LIST_FOREACH(ac->items, l, ai)
{
if (ai->type == type)
{
if (!ai->func)
{
if (ai->data) eina_stringshare_del(ai->data);
}
ai->func = NULL;
ai->data = NULL;
return ai;
}
}
ai = calloc(1, sizeof(Elm_Access_Item));
ai->type = type;
ac->items = eina_list_prepend(ac->items, ai);
return ai;
}
static Eina_Bool
_access_obj_over_timeout_cb(void *data)
{
Elm_Access_Info *ac = evas_object_data_get(data, "_elm_access");
if (!ac) return EINA_FALSE;
if (_elm_config->access_mode != ELM_ACCESS_MODE_OFF)
{
_elm_access_object_hilight(data);
_elm_access_read(ac, ELM_ACCESS_CANCEL, data, NULL);
_elm_access_read(ac, ELM_ACCESS_TYPE, data, NULL);
_elm_access_read(ac, ELM_ACCESS_INFO, data, NULL);
_elm_access_read(ac, ELM_ACCESS_STATE, data, NULL);
_elm_access_read(ac, ELM_ACCESS_DONE, data, NULL);
}
ac->delay_timer = NULL;
return EINA_FALSE;
}
static void
_access_obj_mouse_in_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Elm_Access_Info *ac = evas_object_data_get(data, "_elm_access");
if (!ac) return;
if (ac->delay_timer)
{
ecore_timer_del(ac->delay_timer);
ac->delay_timer = NULL;
}
if (_elm_config->access_mode != ELM_ACCESS_MODE_OFF)
ac->delay_timer = ecore_timer_add(0.2, _access_obj_over_timeout_cb, data);
}
static void
_access_obj_mouse_out_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Elm_Access_Info *ac = evas_object_data_get(data, "_elm_access");
if (!ac) return;
_elm_access_object_unhilight(data);
if (ac->delay_timer)
{
ecore_timer_del(ac->delay_timer);
ac->delay_timer = NULL;
}
}
static void
_access_obj_del_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Elm_Access_Info *ac;
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_MOUSE_IN,
_access_obj_mouse_in_cb, data);
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_MOUSE_OUT,
_access_obj_mouse_out_cb, data);
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_DEL,
_access_obj_del_cb, data);
ac = evas_object_data_get(data, "_elm_access");
evas_object_data_del(data, "_elm_access");
if (ac)
{
_elm_access_clear(ac);
free(ac);
}
}
static void
_access_read_done(void *data __UNUSED__)
{
printf("read done\n");
// FIXME: produce event here
}
static void
_access_2nd_click_del_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Ecore_Timer *t;
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_DEL,
_access_2nd_click_del_cb, NULL);
t = evas_object_data_get(obj, "_elm_2nd_timeout");
if (t)
{
ecore_timer_del(t);
evas_object_data_del(obj, "_elm_2nd_timeout");
}
}
static Eina_Bool
_access_2nd_click_timeout_cb(void *data)
{
evas_object_event_callback_del_full(data, EVAS_CALLBACK_DEL,
_access_2nd_click_del_cb, NULL);
evas_object_data_del(data, "_elm_2nd_timeout");
return EINA_FALSE;
}
static void
_access_obj_hilight_del_cb(void *data __UNUSED__, Evas *e, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
_elm_access_object_hilight_disable(e);
}
static void
_access_obj_hilight_hide_cb(void *data __UNUSED__, Evas *e, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
_elm_access_object_hilight_disable(e);
}
static void
_access_obj_hilight_move_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Evas_Coord x, y;
Evas_Object *o;
o = evas_object_name_find(evas_object_evas_get(obj), "_elm_access_disp");
if (!o) return;
evas_object_geometry_get(obj, &x, &y, NULL, NULL);
evas_object_move(o, x, y);
}
static void
_access_obj_hilight_resize_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Evas_Coord w, h;
Evas_Object *o;
o = evas_object_name_find(evas_object_evas_get(obj), "_elm_access_disp");
if (!o) return;
evas_object_geometry_get(obj, NULL, NULL, &w, &h);
evas_object_resize(o, w, h);
}
//-------------------------------------------------------------------------//
EAPI void
_elm_access_clear(Elm_Access_Info *ac)
{
Elm_Access_Item *ai;
if (!ac) return;
if (ac->delay_timer)
{
ecore_timer_del(ac->delay_timer);
ac->delay_timer = NULL;
}
EINA_LIST_FREE(ac->items, ai)
{
if (!ai->func)
{
if (ai->data) eina_stringshare_del(ai->data);
}
free(ai);
}
}
EAPI void
_elm_access_text_set(Elm_Access_Info *ac, int type, const char *text)
{
Elm_Access_Item *ai = _access_add_set(ac, type);
if (!ai) return;
ai->data = eina_stringshare_add(text);
}
EAPI void
_elm_access_callback_set(Elm_Access_Info *ac, int type, Elm_Access_Content_Cb func, const void *data)
{
Elm_Access_Item *ai = _access_add_set(ac, type);
if (!ai) return;
ai->func = func;
ai->data = data;
}
EAPI char *
_elm_access_text_get(const Elm_Access_Info *ac, int type, Evas_Object *obj, Elm_Widget_Item *item)
{
Elm_Access_Item *ai;
Eina_List *l;
if (!ac) return NULL;
EINA_LIST_FOREACH(ac->items, l, ai)
{
if (ai->type == type)
{
if (ai->func) return ai->func((void *)(ai->data), obj, item);
else if (ai->data) return strdup(ai->data);
return NULL;
}
}
return NULL;
}
EAPI void
_elm_access_read(Elm_Access_Info *ac, int type, Evas_Object *obj, Elm_Widget_Item *item)
{
char *txt = _elm_access_text_get(ac, type, obj, item);
_access_init();
if (mapi)
{
if (mapi->out_done_callback_set)
mapi->out_done_callback_set(_access_read_done, NULL);
if (type == ELM_ACCESS_DONE)
{
if (mapi->out_read_done) mapi->out_read_done();
}
else if (type == ELM_ACCESS_CANCEL)
{
if (mapi->out_cancel) mapi->out_cancel();
}
else
{
if (txt)
{
if (mapi->out_read) mapi->out_read(txt);
if (mapi->out_read) mapi->out_read(".\n");
}
}
}
if (txt) free(txt);
}
EAPI void
_elm_access_say(const char *txt)
{
_access_init();
if (mapi)
{
if (mapi->out_done_callback_set)
mapi->out_done_callback_set(_access_read_done, NULL);
if (mapi->out_cancel) mapi->out_cancel();
if (txt)
{
if (mapi->out_read) mapi->out_read(txt);
if (mapi->out_read) mapi->out_read(".\n");
}
if (mapi->out_read_done) mapi->out_read_done();
}
}
EAPI Elm_Access_Info *
_elm_access_object_get(const Evas_Object *obj)
{
return evas_object_data_get(obj, "_elm_access");
}
EAPI Elm_Access_Info *
_elm_access_item_get(const Elm_Widget_Item *it)
{
return it->access;
}
EAPI void
_elm_access_object_hilight(Evas_Object *obj)
{
Evas_Object *o;
Evas_Coord x, y, w, h;
o = evas_object_name_find(evas_object_evas_get(obj), "_elm_access_disp");
if (!o)
{
o = edje_object_add(evas_object_evas_get(obj));
evas_object_name_set(o, "_elm_access_disp");
evas_object_layer_set(o, ELM_OBJECT_LAYER_TOOLTIP);
}
else
{
Evas_Object *ptarget = evas_object_data_get(o, "_elm_access_target");
if (ptarget)
{
evas_object_data_del(o, "_elm_access_target");
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_DEL,
_access_obj_hilight_del_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_HIDE,
_access_obj_hilight_hide_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_MOVE,
_access_obj_hilight_move_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_RESIZE,
_access_obj_hilight_resize_cb, NULL);
}
}
evas_object_data_set(o, "_elm_access_target", obj);
_elm_theme_object_set(obj, o, "access", "base", "default");
evas_object_event_callback_add(obj, EVAS_CALLBACK_DEL,
_access_obj_hilight_del_cb, NULL);
evas_object_event_callback_add(obj, EVAS_CALLBACK_HIDE,
_access_obj_hilight_hide_cb, NULL);
evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE,
_access_obj_hilight_move_cb, NULL);
evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE,
_access_obj_hilight_resize_cb, NULL);
evas_object_raise(o);
evas_object_geometry_get(obj, &x, &y, &w, &h);
evas_object_move(o, x, y);
evas_object_resize(o, w, h);
evas_object_show(o);
}
EAPI void
_elm_access_object_unhilight(Evas_Object *obj)
{
Evas_Object *o, *ptarget;
o = evas_object_name_find(evas_object_evas_get(obj), "_elm_access_disp");
if (!o) return;
ptarget = evas_object_data_get(o, "_elm_access_target");
if (ptarget == obj)
{
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_DEL,
_access_obj_hilight_del_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_HIDE,
_access_obj_hilight_hide_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_MOVE,
_access_obj_hilight_move_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_RESIZE,
_access_obj_hilight_resize_cb, NULL);
evas_object_del(o);
}
}
EAPI void
_elm_access_object_hilight_disable(Evas *e)
{
Evas_Object *o, *ptarget;
o = evas_object_name_find(e, "_elm_access_disp");
if (!o) return;
ptarget = evas_object_data_get(o, "_elm_access_target");
if (ptarget)
{
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_DEL,
_access_obj_hilight_del_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_HIDE,
_access_obj_hilight_hide_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_MOVE,
_access_obj_hilight_move_cb, NULL);
evas_object_event_callback_del_full(ptarget, EVAS_CALLBACK_RESIZE,
_access_obj_hilight_resize_cb, NULL);
}
evas_object_del(o);
}
EAPI void
_elm_access_object_register(Evas_Object *obj, Evas_Object *hoverobj)
{
Elm_Access_Info *ac;
evas_object_event_callback_add(hoverobj, EVAS_CALLBACK_MOUSE_IN,
_access_obj_mouse_in_cb, obj);
evas_object_event_callback_add(hoverobj, EVAS_CALLBACK_MOUSE_OUT,
_access_obj_mouse_out_cb, obj);
evas_object_event_callback_add(hoverobj, EVAS_CALLBACK_DEL,
_access_obj_del_cb, obj);
ac = calloc(1, sizeof(Elm_Access_Info));
evas_object_data_set(obj, "_elm_access", ac);
}
static Eina_Bool
_access_item_over_timeout_cb(void *data)
{
Elm_Access_Info *ac = ((Elm_Widget_Item *)data)->access;
if (!ac) return EINA_FALSE;
if (_elm_config->access_mode != ELM_ACCESS_MODE_OFF)
{
_elm_access_object_hilight(((Elm_Widget_Item *)data)->view);
_elm_access_read(ac, ELM_ACCESS_CANCEL, NULL, data);
_elm_access_read(ac, ELM_ACCESS_TYPE, NULL, data);
_elm_access_read(ac, ELM_ACCESS_INFO, NULL, data);
_elm_access_read(ac, ELM_ACCESS_STATE, NULL, data);
_elm_access_read(ac, ELM_ACCESS_DONE, NULL, data);
}
ac->delay_timer = NULL;
return EINA_FALSE;
}
static void
_access_item_mouse_in_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Elm_Access_Info *ac = ((Elm_Widget_Item *)data)->access;
if (!ac) return;
if (ac->delay_timer)
{
ecore_timer_del(ac->delay_timer);
ac->delay_timer = NULL;
}
if (_elm_config->access_mode != ELM_ACCESS_MODE_OFF)
ac->delay_timer = ecore_timer_add(0.2, _access_item_over_timeout_cb, data);
}
static void
_access_item_mouse_out_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Elm_Access_Info *ac = ((Elm_Widget_Item *)data)->access;
if (!ac) return;
_elm_access_object_unhilight(((Elm_Widget_Item *)data)->view);
if (ac->delay_timer)
{
ecore_timer_del(ac->delay_timer);
ac->delay_timer = NULL;
}
}
static void
_access_item_del_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Elm_Access_Info *ac;
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_MOUSE_IN,
_access_item_mouse_in_cb, data);
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_MOUSE_OUT,
_access_item_mouse_out_cb, data);
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_DEL,
_access_item_del_cb, data);
ac = ((Elm_Widget_Item *)data)->access;
((Elm_Widget_Item *)data)->access = NULL;
if (ac)
{
_elm_access_clear(ac);
free(ac);
}
}
EAPI void
_elm_access_item_register(Elm_Widget_Item *item, Evas_Object *hoverobj)
{
Elm_Access_Info *ac;
evas_object_event_callback_add(hoverobj, EVAS_CALLBACK_MOUSE_IN,
_access_item_mouse_in_cb, item);
evas_object_event_callback_add(hoverobj, EVAS_CALLBACK_MOUSE_OUT,
_access_item_mouse_out_cb, item);
evas_object_event_callback_add(hoverobj, EVAS_CALLBACK_DEL,
_access_item_del_cb, item);
ac = calloc(1, sizeof(Elm_Access_Info));
item->access = ac;
}
EAPI Eina_Bool
_elm_access_2nd_click_timeout(Evas_Object *obj)
{
Ecore_Timer *t;
t = evas_object_data_get(obj, "_elm_2nd_timeout");
if (t)
{
ecore_timer_del(t);
evas_object_data_del(obj, "_elm_2nd_timeout");
evas_object_event_callback_del_full(obj, EVAS_CALLBACK_DEL,
_access_2nd_click_del_cb, NULL);
return EINA_TRUE;
}
t = ecore_timer_add(0.3, _access_2nd_click_timeout_cb, obj);
evas_object_data_set(obj, "_elm_2nd_timeout", t);
evas_object_event_callback_add(obj, EVAS_CALLBACK_DEL,
_access_2nd_click_del_cb, NULL);
return EINA_FALSE;
}