Merge pull request #88494 from AThousandShips/tab_fix

Fix error spam when adding tabs to `TabBar` without deselect

scene/gui/tab_bar.cpp

@@ -627,6 +627,10 @@ void TabBar::set_tab_count(int p_count) {
  offset = MIN(offset, p_count - 1);
  max_drawn_tab = MIN(max_drawn_tab, p_count - 1);
  current = MIN(current, p_count - 1);
+ // Fix range if unable to deselect.
+ if (current == -1 && !_can_deselect()) {
+ current = 0;
+ }
 
  _update_cache();
  _ensure_no_over_offset();
@@ -1557,10 +1561,7 @@ bool TabBar::_can_deselect() const {
 }
 
 void TabBar::ensure_tab_visible(int p_idx) {
- if (!is_inside_tree() || !buttons_visible) {
- return;
- }
- if (p_idx == -1 && _can_deselect()) {
+ if (p_idx == -1 || !is_inside_tree() || !buttons_visible) {
  return;
  }
  ERR_FAIL_INDEX(p_idx, tabs.size());