struct result
selection_add_item(struct selection *selection,
char const *description,
selection_action_fn *action)
{
if (!selection) return result_set_system_error(EINVAL);
if (!description) return result_set_system_error(EINVAL);
if (!description[0]) return result_set_system_error(EINVAL);
int index = selection->items_count;
int null_index = index + 1;
++selection->items_count;
selection->items = reallocarray_or_die(selection->items,
selection->items_count + 1,
sizeof(ITEM *));
char name[] = "1";
name[0] += index;
char *name_dup = strdup_or_die(name);
char *description_dup = strdup_or_die(description);
selection->items[index] = new_item(name_dup, description_dup);
if (!selection->items[index]) {
free_or_die(description_dup);
free_or_die(name_dup);
return result_system_error();
}
struct selection_item *selection_item = calloc_or_die(1, sizeof(struct selection_item));
selection_item->action = action;
set_item_userptr(selection->items[index], selection_item);
selection->items[null_index] = NULL;
return result_success();
}
struct result
app_run(struct app *app)
{
sig_t previous_sigwinch_handler = signal(SIGWINCH, terminal_window_did_change);
if (SIG_ERR == previous_sigwinch_handler) {
return result_system_error();
}
struct result result = result_success();
for (int i = 0; i < app->views_count; ++i) {
result = app->views[i]->create(app->views[i], app);
if (!result_is_success(result)) break;
}
if (result_is_success(result)) {
for (int i = 0; i < app->views_count; ++i) {
result = app->views[i]->draw(app->views[i], app);
if (!result_is_success(result)) break;
wnoutrefresh(app->views[i]->window);
}
}
if (!app->active_view) {
int i = app->views_count - 1;
result = app_activate_view(app, app->views[i]);
}
doupdate();
if (result_is_success(result)) {
result = dispatch_events(app);
}
for (int i = app->views_count - 1; i >= 0; --i) {
app->views[i]->destroy(app->views[i], app);
}
signal(SIGWINCH, previous_sigwinch_handler);
return result;
}