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menu.c remove the check for valid menu_callback

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instead of checking for menu callback use an empty callback instead

this code is a bit strange in that a prior valid callback might be returned
so I left the behavior but I question if thats really needed..

Change-Id: Id0c4eb208b33a6fffdbdffc63ea9cc928bba1a6d
This commit is contained in:
William Wilgus 2024-11-21 16:12:53 -05:00 • committed by William Wilgus
parent d1a4903afb
commit e6f49e47e3
1 changed files with 31 additions and 37 deletions
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68
apps/menu.c
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@ -73,6 +73,13 @@ struct menu_data_t
int selected;
};
static int empty_menu_callback(int action, const struct menu_item_ex *this_item, struct gui_synclist *this_list)
{
return action;
(void)this_item;
(void)this_list;
}
static void get_menu_callback(const struct menu_item_ex *m,
menu_callback_type *menu_callback)
{
@ -80,6 +87,9 @@ static void get_menu_callback(const struct menu_item_ex *m,
*menu_callback= m->callback_and_desc->menu_callback;
else
*menu_callback = m->menu_callback;
if (!*menu_callback)
*menu_callback = &empty_menu_callback;
}
static bool query_audio_status(int *old_audio_status)
@ -201,7 +211,7 @@ static int init_menu_lists(const struct menu_item_ex *menu,
int start_action = ACTION_ENTER_MENUITEM;
int count = MIN(MENU_GET_COUNT(menu->flags), MAX_MENU_SUBITEMS);
int type = (menu->flags&MENU_TYPE_MASK);
menu_callback_type menu_callback = NULL;
menu_callback_type menu_callback = &empty_menu_callback;
int icon;
char * title;
current_subitems_count = 0;
@ -213,17 +223,10 @@ static int init_menu_lists(const struct menu_item_ex *menu,
{
if (type != MT_RETURN_ID)
get_menu_callback(menu->submenus[i],&menu_callback);
if (menu_callback)
{
if (menu_callback(ACTION_REQUEST_MENUITEM,
type==MT_RETURN_ID ? (void*)(intptr_t)i: menu->submenus[i], lists)
!= ACTION_EXIT_MENUITEM)
{
current_subitems[current_subitems_count] = i;
current_subitems_count++;
}
}
else
if (menu_callback(ACTION_REQUEST_MENUITEM,
type==MT_RETURN_ID ? (void*)(intptr_t)i: menu->submenus[i], lists)
!= ACTION_EXIT_MENUITEM)
{
current_subitems[current_subitems_count] = i;
current_subitems_count++;
@ -263,7 +266,7 @@ static int init_menu_lists(const struct menu_item_ex *menu,
gui_synclist_select_item(lists, find_menu_selection(selected));
get_menu_callback(menu,&menu_callback);
if (callback && menu_callback)
if (callback)
start_action = menu_callback(start_action, menu, lists);
return start_action;
@ -402,7 +405,7 @@ int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
int stack_top = 0;
struct viewport *vps = NULL;
menu_callback_type menu_callback = NULL;
menu_callback_type menu_callback = &empty_menu_callback;
/* if hide_theme is true, assume parent has been fixed before passed into
* this function, e.g. with viewport_set_defaults(parent, screen)
@ -441,16 +444,13 @@ int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
action = gui_synclist_do_touchscreen(&lists);
#endif
if (menu_callback)
{
int new_action = menu_callback(action, menu, &lists);
if (new_action == ACTION_EXIT_AFTER_THIS_MENUITEM)
ret = MENU_SELECTED_EXIT; /* exit after return from selection */
else if (new_action == ACTION_REDRAW)
redraw_lists = true;
else
action = new_action;
}
int new_action = menu_callback(action, menu, &lists);
if (new_action == ACTION_EXIT_AFTER_THIS_MENUITEM)
ret = MENU_SELECTED_EXIT; /* exit after return from selection */
else if (new_action == ACTION_REDRAW)
redraw_lists = true;
else
action = new_action;
if (LIKELY(gui_synclist_do_button(&lists, &action)))
continue;
@ -586,8 +586,7 @@ int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
bool exiting_menu = false;
in_stringlist = false;
if (menu_callback)
menu_callback(ACTION_EXIT_MENUITEM, menu, &lists);
menu_callback(ACTION_EXIT_MENUITEM, menu, &lists);
if (menu->flags&MENU_EXITAFTERTHISMENU)
done = true;
@ -630,12 +629,9 @@ int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
{
type = (temp->flags&MENU_TYPE_MASK);
get_menu_callback(temp, &menu_callback);
if (menu_callback)
{
action = menu_callback(ACTION_ENTER_MENUITEM, temp, &lists);
if (action == ACTION_EXIT_MENUITEM)
break;
}
action = menu_callback(ACTION_ENTER_MENUITEM, temp, &lists);
if (action == ACTION_EXIT_MENUITEM)
break;
}
switch (type)
{
@ -715,8 +711,7 @@ int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
}
if (type != MT_MENU)
{
if (menu_callback)
menu_callback(ACTION_EXIT_MENUITEM, temp, &lists);
menu_callback(ACTION_EXIT_MENUITEM, temp, &lists);
}
if (current_submenus_menu != menu)
init_menu_lists(menu,&lists,selected,true,vps);
@ -750,9 +745,8 @@ int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
if (redraw_lists && !done)
{
if (menu_callback)
if (menu_callback(ACTION_REDRAW, menu, &lists) != ACTION_REDRAW)
continue;
if (menu_callback(ACTION_REDRAW, menu, &lists) != ACTION_REDRAW)
continue;
gui_synclist_set_title(&lists, lists.title, lists.title_icon);