diff options
Diffstat (limited to 'apps/gui/list.c')
| -rw-r--r-- | apps/gui/list.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/apps/gui/list.c b/apps/gui/list.c index d1b2748a60..96b3447728 100644 --- a/apps/gui/list.c +++ b/apps/gui/list.c @@ -596,6 +596,23 @@ bool gui_synclist_keyclick_callback(int action, void* data) } #endif +/* + * Magic to make sure the list gets updated correctly if the skin does + * something naughty like a full screen update when we are in a button + * loop. + * + * The GUI_EVENT_NEED_UI_UPDATE event is registered for in list_do_action_timeout() + * and unregistered in gui_synclict_do_button(). This is done because + * if something is using the list UI they *must* be calling those + * two functions in the correct order or the list wont work. + */ +static struct gui_synclist *current_lists; +void _lists_uiviewport_update_callback(void *data) +{ + (void)data; + gui_synclist_draw(current_lists); +} + bool gui_synclist_do_button(struct gui_synclist * lists, int *actionptr, enum list_wrap wrap) { @@ -610,6 +627,8 @@ bool gui_synclist_do_button(struct gui_synclist * lists, static int next_item_modifier = 1; static int last_accel_tick = 0; + remove_event(GUI_EVENT_NEED_UI_UPDATE, _lists_uiviewport_update_callback); + if (action != ACTION_TOUCHSCREEN) { if (global_settings.list_accel_start_delay) @@ -772,6 +791,9 @@ int list_do_action_timeout(struct gui_synclist *lists, int timeout) /* Returns the lowest of timeout or the delay until a postponed scheduled announcement is due (if any). */ { + current_lists = lists; + add_event(GUI_EVENT_NEED_UI_UPDATE, false, + _lists_uiviewport_update_callback); if(lists->scheduled_talk_tick) { long delay = lists->scheduled_talk_tick -current_tick +1; |