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Fix Follow Focus in a rotated ScrollContainer

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Calculate based on the `ScrollContainer`'s space to eliminate possible
rotation. The global rect already has applied the rotation, so it
should not be used.
This commit is contained in:
风青山
2025-01-16 12:36:57 +08:00
parent b3a44e8d51
commit b75acc3ccd
1 changed files with 10 additions and 6 deletions
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16
scene/gui/scroll_container.cpp
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@@ -292,16 +292,20 @@ void ScrollContainer::_gui_focus_changed(Control *p_control) {
void ScrollContainer::ensure_control_visible(Control *p_control) {
ERR_FAIL_COND_MSG(!is_ancestor_of(p_control), "Must be an ancestor of the control.");
Rect2 global_rect = get_global_rect();
Rect2 other_rect = p_control->get_global_rect();
// Just eliminate the rotation of this ScrollContainer.
Transform2D other_in_this = get_global_transform().affine_inverse() * p_control->get_global_transform();
Size2 size = get_size();
Rect2 other_rect = other_in_this.xform(Rect2(Point2(), p_control->get_size()));
float side_margin = v_scroll->is_visible() ? v_scroll->get_size().x : 0.0f;
float bottom_margin = h_scroll->is_visible() ? h_scroll->get_size().y : 0.0f;
Vector2 diff = Vector2(MAX(MIN(other_rect.position.x - (is_layout_rtl() ? side_margin : 0.0f), global_rect.position.x), other_rect.position.x + other_rect.size.x - global_rect.size.x + (!is_layout_rtl() ? side_margin : 0.0f)),
MAX(MIN(other_rect.position.y, global_rect.position.y), other_rect.position.y + other_rect.size.y - global_rect.size.y + bottom_margin));
Vector2 diff = Vector2(MAX(MIN(other_rect.position.x - (is_layout_rtl() ? side_margin : 0.0f), 0.0f), other_rect.position.x + other_rect.size.x - size.x + (!is_layout_rtl() ? side_margin : 0.0f)),
MAX(MIN(other_rect.position.y, 0.0f), other_rect.position.y + other_rect.size.y - size.y + bottom_margin));
set_h_scroll(get_h_scroll() + (diff.x - global_rect.position.x));
set_v_scroll(get_v_scroll() + (diff.y - global_rect.position.y));
set_h_scroll(get_h_scroll() + diff.x);
set_v_scroll(get_v_scroll() + diff.y);
}
void ScrollContainer::_reposition_children() {