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Added icons and API for indeterminate checkmarks for the Tree class.

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This commit is contained in:
Kevin Fischer
2021-07-22 13:34:54 -07:00
parent cfdac0973c
commit 75866c81e7
9 changed files with 60 additions and 2 deletions
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25
scene/gui/tree.cpp
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@@ -167,6 +167,18 @@ TreeItem::TreeCellMode TreeItem::get_cell_mode(int p_column) const {
void TreeItem::set_checked(int p_column, bool p_checked) {
ERR_FAIL_INDEX(p_column, cells.size());
cells.write[p_column].checked = p_checked;
cells.write[p_column].indeterminate = false;
_changed_notify(p_column);
}
void TreeItem::set_indeterminate(int p_column, bool p_indeterminate) {
ERR_FAIL_INDEX(p_column, cells.size());
// Prevent uncheck if indeterminate set to false twice
if (p_indeterminate == cells[p_column].indeterminate) {
return;
}
cells.write[p_column].indeterminate = p_indeterminate;
cells.write[p_column].checked = false;
_changed_notify(p_column);
}
@@ -175,6 +187,11 @@ bool TreeItem::is_checked(int p_column) const {
return cells[p_column].checked;
}
bool TreeItem::is_indeterminate(int p_column) const {
ERR_FAIL_INDEX_V(p_column, cells.size(), false);
return cells[p_column].indeterminate;
}
void TreeItem::set_text(int p_column, String p_text) {
ERR_FAIL_INDEX(p_column, cells.size());
cells.write[p_column].text = p_text;
@@ -1042,7 +1059,9 @@ void TreeItem::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_cell_mode", "column"), &TreeItem::get_cell_mode);
ClassDB::bind_method(D_METHOD("set_checked", "column", "checked"), &TreeItem::set_checked);
ClassDB::bind_method(D_METHOD("set_indeterminate", "column", "indeterminate"), &TreeItem::set_indeterminate);
ClassDB::bind_method(D_METHOD("is_checked", "column"), &TreeItem::is_checked);
ClassDB::bind_method(D_METHOD("is_indeterminate", "column"), &TreeItem::is_indeterminate);
ClassDB::bind_method(D_METHOD("set_text", "column", "text"), &TreeItem::set_text);
ClassDB::bind_method(D_METHOD("get_text", "column"), &TreeItem::get_text);
@@ -1228,6 +1247,7 @@ void Tree::update_cache() {
cache.checked = get_theme_icon(SNAME("checked"));
cache.unchecked = get_theme_icon(SNAME("unchecked"));
cache.indeterminate = get_theme_icon(SNAME("indeterminate"));
if (is_layout_rtl()) {
cache.arrow_collapsed = get_theme_icon(SNAME("arrow_collapsed_mirrored"));
} else {
@@ -1721,10 +1741,13 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
case TreeItem::CELL_MODE_CHECK: {
Ref<Texture2D> checked = cache.checked;
Ref<Texture2D> unchecked = cache.unchecked;
Ref<Texture2D> indeterminate = cache.indeterminate;
Point2i check_ofs = item_rect.position;
check_ofs.y += Math::floor((real_t)(item_rect.size.y - checked->get_height()) / 2);
if (p_item->cells[i].checked) {
if (p_item->cells[i].indeterminate) {
indeterminate->draw(ci, check_ofs);
} else if (p_item->cells[i].checked) {
checked->draw(ci, check_ofs);
} else {
unchecked->draw(ci, check_ofs);