int main(void)
{
GP_Backend *win_1, *win_2;
win_1 = GP_BackendX11Init(NULL, 0, 0, 300, 300, "win 1", 0);
win_2 = GP_BackendX11Init(NULL, 0, 0, 300, 300, "win 2", 0);
if (win_1 == NULL || win_2 == NULL) {
GP_BackendExit(win_1);
GP_BackendExit(win_2);
return 1;
}
/* Update the backend screen */
redraw(win_1->context);
redraw(win_2->context);
GP_BackendFlip(win_1);
GP_BackendFlip(win_2);
for (;;) {
/*
* Wait for backend event.
*
* Either window is fine as they share connection.
*/
GP_Backend *b = win_1 ? win_1 : win_2;
if (b == NULL)
return 0;
GP_BackendWait(b);
if (ev_loop(win_1, "win 1"))
win_1 = NULL;
if (ev_loop(win_2, "win 2"))
win_2 = NULL;
}
GP_BackendExit(win_1);
GP_BackendExit(win_2);
return 0;
}
static GP_Backend *x11_init(char *params, const char *caption)
{
GP_Size w = 640, h = 480;
enum GP_BackendX11Flags flags = 0;
if (parse_x11_params(params, &w, &h, &flags))
return NULL;
return GP_BackendX11Init(NULL, 0, 0, w, h, caption, flags);
}