static int lua_create_job(lua_State *L)
{
const char * message = luaL_checkstring(L, 1);
gboolean has_progress_bar = lua_toboolean(L, 2);
int cancellable = FALSE;
if(!lua_isnoneornil(L,3))
{
luaL_checktype(L, 3, LUA_TFUNCTION);
cancellable = TRUE;
}
dt_lua_unlock(false);
dt_progress_t *progress = dt_control_progress_create(darktable.control, has_progress_bar, message);
if(cancellable)
{
dt_control_progress_make_cancellable(darktable.control, progress, lua_job_cancelled, progress);
}
dt_lua_lock();
luaA_push(L, dt_lua_backgroundjob_t, &progress);
if(cancellable)
{
lua_getuservalue(L, -1);
lua_pushvalue(L, 3);
lua_setfield(L, -2, "cancel_callback");
lua_pop(L, 1);
}
return 1;
}
void dt_control_progress_attach_job(dt_control_t *control, dt_progress_t *progress, dt_job_t *job)
{
dt_control_progress_make_cancellable(control, progress, &dt_control_progress_cancel_callback, job);
}
