Theme::Theme(const string &filename, const vector<string> &search_dirs, ResourcePool *resource_pool, unsigned num_cards)
: resource_pool(resource_pool), num_cards(num_cards), signal_to_card_mapping(global_flags.default_stream_mapping)
{
+ // Defaults.
+ channel_names[0] = "Live";
+ channel_names[1] = "Preview";
+
L = luaL_newstate();
luaL_openlibs(L);
{
lock_guard<mutex> lock(m);
+ // We never ask the legacy channel_name() about live and preview.
+ // The defaults are set in our constructor.
+ if (channel == 0 || channel == 1) {
+ return channel_names[channel];
+ }
+
lua_getglobal(L, "channel_name");
if (lua_isnil(L, -1)) {
lua_pop(L, 1);
abort();
}
}
+
+string Theme::format_status_line(const string &disk_space_left_text, double file_length_seconds)
+{
+ lock_guard<mutex> lock(m);
+ lua_getglobal(L, "format_status_line");
+ if (lua_isnil(L, -1)) {
+ lua_pop(L, 1);
+ return disk_space_left_text;
+ }
+
+ lua_pushstring(L, disk_space_left_text.c_str());
+ lua_pushnumber(L, file_length_seconds);
+ if (lua_pcall(L, 2, 1, 0) != 0) {
+ fprintf(stderr, "error running function format_status_line(): %s\n", lua_tostring(L, -1));
+ abort();
+ }
+ string text = checkstdstring(L, 1);
+ lua_pop(L, 1);
+ assert(lua_gettop(L) == 0);
+ return text;
+}