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authorDawid Marzec <marzecdawid@gmail.com>2022-11-11 16:27:28 +0100
committerDawid Marzec <marzecdawid@gmail.com>2022-11-14 21:37:42 +0100
commitc068a9d0bd864f6895bb79612d75bc670fab23c1 (patch)
tree62b73e9bcef9f21676e05760a8a6c5e383a83d10 /scene/gui
parentaa4c286808bbf4b16346de40307fcd5b29f19697 (diff)
Fix a gap with scrolling down in Tree with arrow keys (#57636)
Diffstat (limited to 'scene/gui')
-rw-r--r--scene/gui/tree.cpp42
1 files changed, 26 insertions, 16 deletions
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index 25df4e7932..2da76883b4 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -4553,6 +4553,7 @@ void Tree::ensure_cursor_is_visible() {
return; // Nothing under cursor.
}
+ // Note: Code below similar to Tree::scroll_to_item(), in case of bug fix both.
const Size2 area_size = get_size() - theme_cache.panel_style->get_minimum_size();
int y_offset = get_item_offset(selected_item);
@@ -4561,7 +4562,10 @@ void Tree::ensure_cursor_is_visible() {
y_offset -= tbh;
const int cell_h = compute_item_height(selected_item) + theme_cache.vseparation;
- const int screen_h = area_size.height - h_scroll->get_combined_minimum_size().height - tbh;
+ int screen_h = area_size.height - tbh;
+ if (h_scroll->is_visible()) {
+ screen_h -= h_scroll->get_combined_minimum_size().height;
+ }
if (cell_h > screen_h) { // Screen size is too small, maybe it was not resized yet.
v_scroll->set_value(y_offset);
@@ -4712,26 +4716,32 @@ Point2 Tree::get_scroll() const {
void Tree::scroll_to_item(TreeItem *p_item, bool p_center_on_item) {
ERR_FAIL_NULL(p_item);
- if (!is_visible_in_tree() || !p_item->is_visible()) {
- return; // Hack to work around crash in get_item_rect() if Tree is not in tree.
- }
update_scrollbars();
- const real_t tree_height = get_size().y;
- const Rect2 item_rect = get_item_rect(p_item);
- const real_t item_y = item_rect.position.y;
- const real_t item_height = item_rect.size.y + theme_cache.vseparation;
+ // Note: Code below similar to Tree::ensure_cursor_is_visible(), in case of bug fix both.
+ const Size2 area_size = get_size() - theme_cache.panel_style->get_minimum_size();
- if (p_center_on_item) {
- v_scroll->set_value(item_y - (tree_height - item_height) / 2.0f);
- } else {
- if (item_y < v_scroll->get_value()) {
- v_scroll->set_value(item_y);
+ int y_offset = get_item_offset(p_item);
+ if (y_offset != -1) {
+ const int tbh = _get_title_button_height();
+ y_offset -= tbh;
+
+ const int cell_h = compute_item_height(p_item) + theme_cache.vseparation;
+ int screen_h = area_size.height - tbh;
+ if (h_scroll->is_visible()) {
+ screen_h -= h_scroll->get_combined_minimum_size().height;
+ }
+
+ if (p_center_on_item) {
+ v_scroll->set_value(y_offset - (screen_h - cell_h) / 2.0f);
} else {
- const real_t new_position = item_y + item_height - tree_height;
- if (new_position > v_scroll->get_value()) {
- v_scroll->set_value(new_position);
+ if (cell_h > screen_h) { // Screen size is too small, maybe it was not resized yet.
+ v_scroll->set_value(y_offset);
+ } else if (y_offset + cell_h > v_scroll->get_value() + screen_h) {
+ v_scroll->set_value(y_offset - screen_h + cell_h);
+ } else if (y_offset < v_scroll->get_value()) {
+ v_scroll->set_value(y_offset);
}
}
}