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/**
* Ecore example illustrating the basics of ecore evas extn socket usage.
*
* You'll need at least one Evas engine built for it (excluding the
* buffer one). See stdout/stderr for output.
* You can check functions of ecore extn socket if you use ecore extn plug together.
*
* @verbatim
* gcc -o ecore_evas_extn_socket_example ecore_evas_extn_socket_example.c `pkg-config --libs --cflags evas ecore ecore-evas`
* @endverbatim
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define EINA_UNUSED
#endif
#include <Ecore.h>
#include <Ecore_Evas.h>
#include <unistd.h>
// protocol version - change this as needed
#define MSG_DOMAIN_CONTROL_OBJECT 0x1004
#define MSG_ID_BG_COLOR 0x1005
#define MSG_ID_TEXT 0x1006
static int num = 0;
typedef struct _Msg_Color Msg_Color;
struct _Msg_Color
{
int r;
int g;
int b;
int a;
};
static void
_on_delete(Ecore_Evas *ee)
{
Ecore_Evas *ee_socket = NULL;
char *text = NULL;
ee_socket = ecore_evas_data_get(ee, "sock");
if (ee_socket)
{
text = ecore_evas_data_get(ee_socket, "text");
if (text) free(text);
}
ecore_main_loop_quit();
}
static void
_ecore_evas_msg_parent_handle(Ecore_Evas *ee, int msg_domain, int msg_id, void *data, int size)
{
printf("Receive msg from clien msg_domain=%x msg_id=%x size=%d\n", msg_domain, msg_id, size);
if (!data) return;
if (msg_domain == MSG_DOMAIN_CONTROL_OBJECT)
{
if (msg_id == MSG_ID_BG_COLOR)
{
Evas_Object *bg = NULL;
Msg_Color *color = NULL;
int r = 0, g = 0, b = 0, a = 0;
bg = ecore_evas_data_get(ee, "bg");
if (bg && (size == sizeof(Msg_Color)))
{
color = data;
r = color->r;
g = color->g;
b = color->b;
a = color->a;
printf("Receive msg is color r=%x g=%x b=%x a=%x\n", r, g, b, a);
evas_object_color_set(bg, color->r, color->g, color->b, color->a);
}
}
}
}
static void
_mouse_up(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
Ecore_Evas *ee = data;
size_t len = 0;
char *buf = NULL;
num++;
if (!ee) return;
buf = ecore_evas_data_get(ee, "text");
if (!buf) free(buf);
buf = (char *)malloc(40);
memset(buf, 0, 40);
sprintf(buf, "Hello. I'm server!! number=%d!!", num);
len = strlen(buf);
ecore_evas_data_set(ee, "text", buf);
printf("ecore extn socket txt = \"%s\" len=%zu.", buf, len);
ecore_evas_msg_send(ee, MSG_DOMAIN_CONTROL_OBJECT, MSG_ID_TEXT, buf, len);
}
int
main(void)
{
Ecore_Evas *ee;
Ecore_Evas *ee_socket = NULL;
Evas *canvas;
Evas_Object *bg, *text;
Evas_Object *sock_bg;
int w, h;
int socket_w, socket_h;
if (ecore_evas_init() <= 0)
return 1;
w = 480;
h = 200;
ee = ecore_evas_new(NULL, 0, 0, w, h, NULL);
ecore_evas_title_set(ee, "Ecore Evas Extn Socket Example");
ecore_evas_show(ee);
ecore_evas_callback_delete_request_set(ee, _on_delete);
printf("Using %s engine! ee=%p\n", ecore_evas_engine_name_get(ee), ee);
//create ecore evas to show info
canvas = ecore_evas_get(ee);
if (ecore_evas_ecore_evas_get(canvas) == ee)
printf("Everything is sane!\n");
bg = evas_object_rectangle_add(canvas);
evas_object_color_set(bg, 255, 255, 0, 255);
evas_object_resize(bg, w, h);
evas_object_show(bg);
text = evas_object_text_add(canvas);
evas_object_color_set(text, 0, 0, 0, 255);
evas_object_text_style_set(text, EVAS_TEXT_STYLE_PLAIN);
evas_object_text_font_set(text, "Sans", 15);
evas_object_text_text_set(text, "1. Run ecore_evas_extn_plug_examples!!");
evas_object_move(text, 40, 30);
evas_object_show(text);
text = evas_object_text_add(canvas);
evas_object_color_set(text, 0, 0, 0, 255);
evas_object_text_style_set(text, EVAS_TEXT_STYLE_PLAIN);
evas_object_text_font_set(text, "Sans", 15);
evas_object_text_text_set(text, "2. Press green rect to send msg to clients!!");
evas_object_move(text, 40, 60);
evas_object_show(text);
bg = evas_object_rectangle_add(canvas);
evas_object_color_set(bg, 0, 255, 0, 255);
evas_object_resize(bg, w/4, h/4);
evas_object_move(bg, w/4, h/2);
evas_object_show(bg);
//create ecore evas extn socket
socket_w = 460;
socket_h = 250;
ee_socket = ecore_evas_extn_socket_new(1, 1);
ecore_evas_data_set(ee, "sock", ee_socket);
if (!ee_socket)
{
printf("Fail to create ecore extn socket!\n");
return 0;
}
if(!ecore_evas_extn_socket_listen(ee_socket, "socket_exam_service", 0, EINA_FALSE))
{
printf("Fail to listen socket_exam_service!\n");
return 0;
}
ecore_evas_resize(ee_socket, socket_w, socket_h);
ecore_evas_show(ee_socket);
//callback to deal with cient extn's message
ecore_evas_callback_msg_parent_handle_set(ee_socket, _ecore_evas_msg_parent_handle);
//_mouse_up is function to send msg to client extn plug
evas_object_event_callback_add(bg, EVAS_CALLBACK_MOUSE_UP, _mouse_up, ee_socket);
canvas = ecore_evas_get(ee_socket);
sock_bg = evas_object_rectangle_add(canvas);
evas_object_color_set(sock_bg, 0, 0, 255, 255);
evas_object_resize(sock_bg, socket_w, socket_h);
evas_object_move(sock_bg, 0, 0);
evas_object_show(sock_bg);
ecore_evas_data_set(ee_socket, "bg", sock_bg);
ecore_evas_extn_socket_events_block_set(ee_socket, EINA_FALSE);
ecore_main_loop_begin();
ecore_evas_free(ee);
ecore_evas_shutdown();
return 0;
}
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