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Merge pull request #52095 from kleonc/tree-item-drag-drop-drawing-3x

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[3.x] Tree Fix line rendering when drag and dropping TreeItem
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Max Hilbrunner 2021-08-27 20:55:58 +02:00 committed by GitHub
commit 17e61fa0af
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 14 deletions
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34
scene/gui/tree.cpp
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@ -1206,21 +1206,27 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
}
}
if (drop_mode_flags && drop_mode_over == p_item) {
if (drop_mode_flags && drop_mode_over) {
Rect2 r = cell_rect;
bool has_parent = p_item->get_children() != nullptr;
if (drop_mode_section == -1 || has_parent || drop_mode_section == 0) {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x, r.position.y, r.size.x, 1), cache.drop_position_color);
}
if (drop_mode_section == 0) {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x, r.position.y, 1, r.size.y), cache.drop_position_color);
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x + r.size.x - 1, r.position.y, 1, r.size.y), cache.drop_position_color);
}
if ((drop_mode_section == 1 && !has_parent) || drop_mode_section == 0) {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x, r.position.y + r.size.y, r.size.x, 1), cache.drop_position_color);
if (drop_mode_over == p_item) {
if (drop_mode_section == 0 || drop_mode_section == -1) {
// Line above.
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x, r.position.y, r.size.x, 1), cache.drop_position_color);
}
if (drop_mode_section == 0) {
// Side lines.
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x, r.position.y, 1, r.size.y), cache.drop_position_color);
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x + r.size.x - 1, r.position.y, 1, r.size.y), cache.drop_position_color);
}
if (drop_mode_section == 0 || (drop_mode_section == 1 && (!p_item->get_children() || p_item->is_collapsed()))) {
// Line below.
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x, r.position.y + r.size.y, r.size.x, 1), cache.drop_position_color);
}
} else if (drop_mode_over == p_item->get_parent()) {
if (drop_mode_section == 1 && !p_item->get_prev() /* && !drop_mode_over->is_collapsed() */) { // The drop_mode_over shouldn't ever be collapsed in here, otherwise we would be drawing a child of a collapsed item.
// Line above.
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(r.position.x, r.position.y, r.size.x, 1), cache.drop_position_color);
}
}
}