Add auto translation to `Tree`

scene/gui/tree.cpp

@@ -315,6 +315,13 @@ void TreeItem::set_text(int p_column, String p_text) {
 			cells.write[p_column].max = MAX(cells[p_column].max, value);
 		}
 		cells.write[p_column].step = 0;
+	} else {
+		// Don't auto translate if it's in string mode and editable, as the text can be changed to anything by the user.
+		if (tree && (!cells[p_column].editable || cells[p_column].mode != TreeItem::CELL_MODE_STRING)) {
+			cells.write[p_column].xl_text = tree->atr(p_text);
+		} else {
+			cells.write[p_column].xl_text = p_text;
+		}
 	}
 
 	cells.write[p_column].cached_minimum_size_dirty = true;
@@ -1933,7 +1940,8 @@ void Tree::update_column(int p_col) {
 		columns.write[p_col].text_buf->set_direction((TextServer::Direction)columns[p_col].text_direction);
 	}
 
-	columns.write[p_col].text_buf->add_string(columns[p_col].title, theme_cache.tb_font, theme_cache.tb_font_size, columns[p_col].language);
+	columns.write[p_col].xl_title = atr(columns[p_col].title);
+	columns.write[p_col].text_buf->add_string(columns[p_col].xl_title, theme_cache.tb_font, theme_cache.tb_font_size, columns[p_col].language);
 	columns.write[p_col].cached_minimum_width_dirty = true;
 }
 
@@ -1957,7 +1965,7 @@ void Tree::update_item_cell(TreeItem *p_item, int p_col) {
 					value = strings[j].get_slicec(':', 1).to_int();
 				}
 				if (option == value) {
-					valtext = strings[j].get_slicec(':', 0);
+					valtext = atr(strings[j].get_slicec(':', 0));
 					break;
 				}
 			}
@@ -1966,11 +1974,21 @@ void Tree::update_item_cell(TreeItem *p_item, int p_col) {
 			valtext = String::num(p_item->cells[p_col].val, Math::range_step_decimals(p_item->cells[p_col].step));
 		}
 	} else {
-		valtext = p_item->cells[p_col].text;
+		// Don't auto translate if it's in string mode and editable, as the text can be changed to anything by the user.
+		if (!p_item->cells[p_col].editable || p_item->cells[p_col].mode != TreeItem::CELL_MODE_STRING) {
+			p_item->cells.write[p_col].xl_text = atr(p_item->cells[p_col].text);
+		} else {
+			p_item->cells.write[p_col].xl_text = p_item->cells[p_col].text;
+		}
+
+		valtext = p_item->cells[p_col].xl_text;
 	}
 
 	if (!p_item->cells[p_col].suffix.is_empty()) {
-		valtext += " " + p_item->cells[p_col].suffix;
+		if (!valtext.is_empty()) {
+			valtext += " ";
+		}
+		valtext += p_item->cells[p_col].suffix;
 	}
 
 	if (p_item->cells[p_col].text_direction == Control::TEXT_DIRECTION_INHERITED) {
@@ -2076,7 +2094,7 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
 
 			if (p_item->cells[i].expand_right) {
 				int plus = 1;
-				while (i + plus < columns.size() && !p_item->cells[i + plus].editable && p_item->cells[i + plus].mode == TreeItem::CELL_MODE_STRING && p_item->cells[i + plus].text.is_empty() && p_item->cells[i + plus].icon.is_null()) {
+				while (i + plus < columns.size() && !p_item->cells[i + plus].editable && p_item->cells[i + plus].mode == TreeItem::CELL_MODE_STRING && p_item->cells[i + plus].xl_text.is_empty() && p_item->cells[i + plus].icon.is_null()) {
 					item_width += get_column_width(i + plus);
 					plus++;
 					skip2++;
@@ -4666,7 +4684,7 @@ int Tree::get_column_minimum_width(int p_column) const {
 
 		// Check if the visible title of the column is wider.
 		if (show_column_titles) {
-			min_width = MAX(theme_cache.font->get_string_size(columns[p_column].title, HORIZONTAL_ALIGNMENT_LEFT, -1, theme_cache.font_size).width + theme_cache.panel_style->get_margin(SIDE_LEFT) + theme_cache.panel_style->get_margin(SIDE_RIGHT), min_width);
+			min_width = MAX(theme_cache.font->get_string_size(columns[p_column].xl_title, HORIZONTAL_ALIGNMENT_LEFT, -1, theme_cache.font_size).width + theme_cache.panel_style->get_margin(SIDE_LEFT) + theme_cache.panel_style->get_margin(SIDE_RIGHT), min_width);
 		}
 
 		if (!columns[p_column].clip_content) {
@@ -4921,6 +4939,7 @@ void Tree::set_column_title(int p_column, const String &p_title) {
 	}
 
 	columns.write[p_column].title = p_title;
+	columns.write[p_column].xl_title = atr(p_title);
 	update_column(p_column);
 	queue_redraw();
 }

scene/gui/tree.h

@@ -62,6 +62,7 @@ private:
 		Ref<Texture2D> icon;
 		Rect2i icon_region;
 		String text;
+		String xl_text;
 		bool edit_multiline = false;
 		String suffix;
 		Ref<TextParagraph> text_buf;
@@ -457,6 +458,7 @@ private:
 		bool expand = true;
 		bool clip_content = false;
 		String title;
+		String xl_title;
 		HorizontalAlignment title_alignment = HORIZONTAL_ALIGNMENT_CENTER;
 		Ref<TextParagraph> text_buf;
 		String language;