int group_with(lua_State *L) {
dt_lua_image_t first_image;
luaA_to(L,dt_lua_image_t,&first_image,1);
if(lua_isnoneornil(L,2)) {
dt_grouping_remove_from_group(first_image);
return 0;
}
dt_lua_image_t second_image;
luaA_to(L,dt_lua_image_t,&second_image,2);
const dt_image_t *cimg = dt_image_cache_read_get(darktable.image_cache, second_image);
int group_id = cimg->group_id;
dt_image_cache_read_release(darktable.image_cache, cimg);
dt_grouping_add_to_group(group_id,first_image);
return 0;
}
/** merges all the selected images into a single group.
* if there is an expanded group, then they will be joined there, otherwise a new one will be created. */
static void _group_helper_function(void)
{
int new_group_id = darktable.gui->expanded_group_id;
sqlite3_stmt *stmt;
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db), "select distinct imgid from selected_images", -1,
&stmt, NULL);
while(sqlite3_step(stmt) == SQLITE_ROW)
{
int id = sqlite3_column_int(stmt, 0);
if(new_group_id == -1) new_group_id = id;
dt_grouping_add_to_group(new_group_id, id);
}
sqlite3_finalize(stmt);
if(darktable.gui->grouping)
darktable.gui->expanded_group_id = new_group_id;
else
darktable.gui->expanded_group_id = -1;
dt_collection_update_query(darktable.collection);
dt_control_queue_redraw_center();
}