enlightenment/src/modules/wl_wl/wl.c

120 lines
3.2 KiB
C

#include "e.h"
static struct wl_display *disp;
static Ecore_Fd_Handler *wl_fdh;
static void
_wl_handle_global(void *data EINA_UNUSED, struct wl_registry *registry EINA_UNUSED, unsigned int id, const char *interface, unsigned int version)
{
Ecore_Wl_Global *global;
if (!(global = calloc(1, sizeof(Ecore_Wl_Global)))) return;
global->id = id;
global->interface = strdup(interface);
global->version = version;
e_comp_wl->wl.globals = eina_inlist_append(e_comp_wl->wl.globals, EINA_INLIST_GET(global));
if (!strcmp(interface, "wl_shm"))
e_comp_wl->wl.shm = wl_registry_bind(registry, id, &wl_shm_interface, 1);
ecore_event_add(E_EVENT_WAYLAND_GLOBAL_ADD, NULL, NULL, NULL);
}
static void
_wl_handle_global_remove(void *data EINA_UNUSED, struct wl_registry *registry EINA_UNUSED, unsigned int id)
{
Ecore_Wl_Global *global;
Eina_Inlist *tmp;
EINA_INLIST_FOREACH_SAFE(e_comp_wl->wl.globals, tmp, global)
{
if (global->id != id) continue;
e_comp_wl->wl.globals =
eina_inlist_remove(e_comp_wl->wl.globals, EINA_INLIST_GET(global));
free(global->interface);
free(global);
}
}
static const struct wl_registry_listener _global_registry_listener =
{
_wl_handle_global,
_wl_handle_global_remove
};
static Eina_Bool
_ecore_wl_cb_idle_enterer(void *data EINA_UNUSED)
{
int ret = 0;
ret = wl_display_get_error(disp);
if (ret < 0) goto err;
ret = wl_display_dispatch_pending(disp);
if (ret < 0) goto err;
ret = wl_display_flush(disp);
if ((ret < 0) && (errno == EAGAIN))
ecore_main_fd_handler_active_set(wl_fdh, ECORE_FD_READ | ECORE_FD_WRITE);
return ECORE_CALLBACK_RENEW;
err:
if ((ret < 0) && ((errno != EAGAIN) && (errno != EINVAL)))
{
/* raise exit signal */
fprintf(stderr, "Wayland socket error: %s\n", strerror(errno));
abort();
return ECORE_CALLBACK_CANCEL;
}
return ECORE_CALLBACK_RENEW;
}
static Eina_Bool
_ecore_wl_cb_handle_data(void *data EINA_UNUSED, Ecore_Fd_Handler *hdl)
{
int ret = 0;
if (ecore_main_fd_handler_active_get(hdl, ECORE_FD_ERROR))
{
fprintf(stderr, "Received error on wayland display fd\n");
abort();
return ECORE_CALLBACK_CANCEL;
}
if (ecore_main_fd_handler_active_get(hdl, ECORE_FD_READ))
ret = wl_display_dispatch(disp);
else if (ecore_main_fd_handler_active_get(hdl, ECORE_FD_WRITE))
{
ret = wl_display_flush(disp);
if (ret == 0)
ecore_main_fd_handler_active_set(hdl, ECORE_FD_READ);
}
if ((ret < 0) && ((errno != EAGAIN) && (errno != EINVAL)))
{
/* raise exit signal */
abort();
return ECORE_CALLBACK_CANCEL;
}
return ECORE_CALLBACK_RENEW;
}
EINTERN void
wl_wl_init(void)
{
disp = wl_display_connect(getenv("WAYLAND_DISPLAY"));
ecore_main_fd_handler_add(wl_display_get_fd(disp), ECORE_FD_READ | ECORE_FD_WRITE | ECORE_FD_ERROR,
_ecore_wl_cb_handle_data, NULL, NULL, NULL);
e_comp_wl->wl.registry = wl_display_get_registry(disp);
wl_registry_add_listener(e_comp_wl->wl.registry, &_global_registry_listener, NULL);
ecore_idle_enterer_add(_ecore_wl_cb_idle_enterer, NULL);
}