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/* gcc -g -Wall -o ecore_compose_get_example ecore_compose_get_example.c `pkg-config --cflags --libs ecore-input ecore-evas ecore evas eina` */
#include <stdio.h>
#include <Eina.h>
#include <Evas.h>
#include <Ecore.h>
#include <Ecore_Evas.h>
/******* begin 1 : Ecore compose stuff *******/
#include <Ecore_Input.h>
typedef struct
{
Eina_List *seq;
Eina_Bool composing;
} Data;
static void
_data_reset(Data *d)
{
char *str;
EINA_LIST_FREE(d->seq, str) eina_stringshare_del(str);
d->composing = EINA_FALSE;
}
static Eina_Bool
_is_modifier(const char *key)
{
if ((!strncmp(key, "Shift", 5)) ||
(!strncmp(key, "Control", 7)) ||
(!strncmp(key, "Alt", 3)) ||
(!strncmp(key, "Meta", 4)) ||
(!strncmp(key, "Super", 5)) ||
(!strncmp(key, "Hyper", 5)) ||
(!strcmp(key, "Scroll_Lock")) ||
(!strcmp(key, "Num_Lock")) ||
(!strcmp(key, "Caps_Lock")))
return EINA_TRUE;
return EINA_FALSE;
}
/******* end 1 : Ecore compose stuff *******/
static void
_key_down_cb(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
{
Evas_Event_Key_Down *ev = (Evas_Event_Key_Down *)event;
int alt;
int shift;
int ctrl;
alt = evas_key_modifier_is_set(ev->modifiers, "Alt");
shift = evas_key_modifier_is_set(ev->modifiers, "Shift");
ctrl = evas_key_modifier_is_set(ev->modifiers, "Control");
printf("down : keyname: %s key: %s compose: **%s** string: **%s** [%zu] %d (%d:%d:%d)\n",
ev->keyname, ev->key, ev->string, ev->compose, (ev->compose) ? strlen(ev->compose) : (size_t)-1, (ev->compose) ? *(ev->compose) : -1,
alt, shift, ctrl);
}
static void
_key_up_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
{
Evas_Event_Key_Up *ev;
int alt;
int shift;
int ctrl;
ev = (Evas_Event_Key_Up *)event;
alt = evas_key_modifier_is_set(ev->modifiers, "Alt");
shift = evas_key_modifier_is_set(ev->modifiers, "Shift");
ctrl = evas_key_modifier_is_set(ev->modifiers, "Control");
printf("up : keyname: %s key: %s string: %s %d (%d:%d:%d)\n",
ev->keyname, ev->key, ev->compose, (ev->compose) ? *(ev->compose) : -1,
alt, shift, ctrl);
if (!alt && !shift)
{
if (!strcmp(ev->key, "q"))
ecore_main_loop_quit();
}
/******* begin 2 : Ecore compose stuff *******/
{
Data *d;
char *compres = NULL;
char *string = NULL;
Ecore_Compose_State state;
Eina_Bool free_string = EINA_FALSE;
d = (Data *)data;
if (!d->composing)
{
_data_reset(d);
d->seq = eina_list_append(d->seq, eina_stringshare_add(ev->key));
state = ecore_compose_get(d->seq, &compres);
if (state == ECORE_COMPOSE_MIDDLE) d->composing = EINA_TRUE;
else d->composing = EINA_FALSE;
if (!d->composing) _data_reset(d);
else goto end;
}
else
{
if (_is_modifier(ev->key)) goto end;
d->seq = eina_list_append(d->seq, eina_stringshare_add(ev->key));
state = ecore_compose_get(d->seq, &compres);
if (state == ECORE_COMPOSE_NONE) _data_reset(d);
else if (state == ECORE_COMPOSE_DONE)
{
_data_reset(d);
if (compres)
{
string = compres;
free_string = EINA_TRUE;
}
}
else goto end;
}
if (string)
{
printf(" ** string : %s %zu 0x%hhx%hhX\n", string, strlen(string), string[1], string[0]);
if (free_string)
free(string);
}
}
/******* end 2 : Ecore compose stuff *******/
end:
return;
}
static void
_del(Ecore_Evas *ee EINA_UNUSED)
{
ecore_main_loop_quit();
}
int main()
{
Ecore_Evas *ee;
Evas *evas;
Evas_Object *o;
/******* begin 3 : Ecore compose stuff *******/
Data *d;
d = calloc(1, sizeof(Data));
if (!ecore_event_init())
goto ecore_event_init_fail;
/******* end 3 : Ecore compose stuff *******/
if (!ecore_evas_init())
goto ecore_evas_init_fail;
ee = ecore_evas_new(NULL, 10, 10, 0, 0, NULL);
if (!ee)
{
ecore_evas_shutdown();
ecore_event_shutdown();
free(d);
return -1;
}
ecore_evas_callback_delete_request_set(ee, _del);
evas = ecore_evas_get(ee);
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 255, 0, 0, 255);
evas_object_move(o, 0, 0);
evas_object_resize(o, 480, 480);
evas_object_focus_set(o, EINA_TRUE);
evas_object_event_callback_add(o, EVAS_CALLBACK_KEY_DOWN,
_key_down_cb, d);
evas_object_event_callback_add(o, EVAS_CALLBACK_KEY_UP,
_key_up_cb, d);
evas_object_show(o);
ecore_evas_resize(ee, 480, 480);
ecore_evas_show(ee);
ecore_main_loop_begin();
ecore_evas_free(ee);
ecore_evas_shutdown();
ecore_evas_init_fail:
ecore_event_shutdown();
ecore_event_init_fail:
free(d);
return 0;
}
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