platform/generic/text_menu.cpp

9 #include <boot/menu.h>
43 static void run_menu(Menu* menu);
221 draw_menu(Menu *menu)
235 	if (menu->Title()) {
239 		printf(" %s", menu->Title());
241 			- strlen(menu->Title()) - 2 * kOffsetX);
244 	MenuItemIterator iterator = menu->ItemIterator();
259 	if (menu->CountItems() >= height) {
266 		int32 start = sMenuOffset * height / menu->CountItems();
267 		int32 end = (sMenuOffset + height) * height / menu->CountItems();
287 first_selectable_item(Menu *menu)
292 	while ((item = menu->ItemAt(++index)) != NULL) {
302 last_selectable_item(Menu *menu)
304 	int32 index = menu->CountItems();
307 	while ((item = menu->ItemAt(--index)) != NULL) {
317 make_item_visible(Menu *menu, int32 selected)
326 		draw_menu(menu);
335 select_previous_valid_item(Menu *menu, int32 selected)
338 	while ((item = menu->ItemAt(selected)) != NULL) {
346 		return first_selectable_item(menu);
353 select_next_valid_item(Menu *menu, int32 selected)
356 	while ((item = menu->ItemAt(selected)) != NULL) {
363 	if (selected >= menu->CountItems())
364 		return last_selectable_item(menu);
371 invoke_item(Menu* menu, MenuItem* item, int32& selected, char key)
373 	// leave the menu
376 		menu->Hide();
380 			(*item->Target())(menu, item);
382 		// restore current menu
384 		menu->FindSelected(&selected);
385 		menu->Show();
386 		draw_menu(menu);
393 			(*item->Target())(menu, item);
395 		// the space key does not exit the menu, only return does
396 		if (menu->Type() == CHOICE_MENU
402 			(*item->Target())(menu, item);
411 run_menu(Menu* menu)
414 	menu->Entered();
415 	menu->Show();
417 	draw_menu(menu);
421 	MenuItem *item = menu->FindSelected(&selected);
424 		item = menu->ItemAt(selected);
429 	make_item_visible(menu, selected);
434 		item = menu->ItemAt(selected);
447 					selected = select_previous_valid_item(menu, selected - 1);
452 					selected = select_next_valid_item(menu, selected + 1);
456 					selected = select_previous_valid_item(menu,
461 					selected = select_next_valid_item(menu,
465 					selected = first_selectable_item(menu);
468 					selected = last_selectable_item(menu);
474 				MenuItem *item = menu->ItemAt(selected);
478 				make_item_visible(menu, selected);
487 					draw_menu(menu);
492 			if (item != NULL && invoke_item(menu, item, selected, key))
502 			selected = select_next_valid_item(menu, selected + 1);
505 				selected = first_selectable_item(menu);
509 				MenuItem *item = menu->ItemAt(selected);
513 				make_item_visible(menu, selected);
522 					draw_menu(menu);
526 			&& menu->Type() != MAIN_MENU) {
531 			shortcut_hook function = menu->FindShortcut(key);
535 				item = menu->FindItemByShortcut(key);
536 				if (item != NULL && invoke_item(menu, item, selected,
544 	menu->Hide();
545 	menu->Exited();
553 platform_generic_update_text_menu_item(Menu *menu, MenuItem *item)
555 	if (menu->IsHidden())
558 	int32 index = menu->IndexOf(item);
567 platform_generic_run_text_menu(Menu *menu)
571 	run_menu(menu);
578 platform_generic_get_user_input_text(Menu* menu, MenuItem* item, char* buffer,
586 	int32 line = menu->IndexOf(item) - sMenuOffset;
679 	draw_menu(menu);