int ScreenRecoveryUI::SelectMenu(int sel) {
int wrapped = 0;
pthread_mutex_lock(&updateMutex);
if (show_menu) {
int old_sel = menu_sel;
menu_sel = sel;
// Wrap at top and bottom.
if (rainbow) {
if (menu_sel > old_sel) {
move_rainbow(1);
} else if (menu_sel < old_sel) {
move_rainbow(-1);
}
}
if (menu_sel < 0) {
wrapped = -1;
menu_sel = menu_items - 1;
}
if (menu_sel >= menu_items) {
wrapped = 1;
menu_sel = 0;
}
sel = menu_sel;
if (wrapped != 0) {
if (wrap_count / wrapped > 0) {
wrap_count += wrapped;
} else {
wrap_count = wrapped;
}
if (wrap_count / wrapped >= 5) {
wrap_count = 0;
OMGRainbows();
}
}
if (menu_sel != old_sel) update_screen_locked();
}
pthread_mutex_unlock(&updateMutex);
return sel;
}
int ScreenRecoveryUI::SelectMenu(int sel, bool abs) {
int old_sel;
pthread_mutex_lock(&updateMutex);
if (abs) {
sel += menu_show_start;
}
if (show_menu > 0) {
old_sel = menu_sel;
menu_sel = sel;
if (rainbow) {
if (menu_sel > old_sel) {
move_rainbow(1);
} else if (menu_sel < old_sel) {
move_rainbow(-1);
}
}
if (menu_sel < 0) {
// Wraparound from top to bottom
menu_sel = menu_items + menu_sel;
}
if (menu_sel >= menu_items) {
// Wraparound back up from the bottom
menu_sel = menu_sel - menu_items;
}
if (menu_sel < menu_show_start && menu_show_start > 0) {
// We scrolled up
menu_show_start = menu_sel;
}
if (menu_sel - menu_show_start >= max_menu_rows) {
// We scrolled down
menu_show_start = menu_sel - max_menu_rows + 1;
}
sel = menu_sel;
if (menu_sel != old_sel) {
update_screen_locked();
}
}
pthread_mutex_unlock(&updateMutex);
return sel;
}
