Add auto translate mode for cells in Tree

doc/classes/TreeItem.xml

@@ -73,6 +73,13 @@
 				Removes the button at index [param button_index] in column [param column].
 			</description>
 		</method>
+		<method name="get_auto_translate_mode" qualifiers="const">
+			<return type="int" enum="Node.AutoTranslateMode" />
+			<param index="0" name="column" type="int" />
+			<description>
+				Returns the column's auto translate mode.
+			</description>
+		</method>
 		<method name="get_autowrap_mode" qualifiers="const">
 			<return type="int" enum="TextServer.AutowrapMode" />
 			<param index="0" name="column" type="int" />
@@ -493,6 +500,15 @@
 				Selects the given [param column].
 			</description>
 		</method>
+		<method name="set_auto_translate_mode">
+			<return type="void" />
+			<param index="0" name="column" type="int" />
+			<param index="1" name="mode" type="int" enum="Node.AutoTranslateMode" />
+			<description>
+				Sets the given column's auto translate mode to [param mode].
+				All columns use [constant Node.AUTO_TRANSLATE_MODE_INHERIT] by default, which uses the same auto translate mode as the [Tree] itself.
+			</description>
+		</method>
 		<method name="set_autowrap_mode">
 			<return type="void" />
 			<param index="0" name="column" type="int" />

scene/gui/tree.cpp

@@ -185,6 +185,26 @@ TreeItem::TreeCellMode TreeItem::get_cell_mode(int p_column) const {
 	return cells[p_column].mode;
 }
 
+/* auto translate mode */
+void TreeItem::set_auto_translate_mode(int p_column, Node::AutoTranslateMode p_mode) {
+	ERR_FAIL_INDEX(p_column, cells.size());
+
+	if (cells[p_column].auto_translate_mode == p_mode) {
+		return;
+	}
+
+	cells.write[p_column].auto_translate_mode = p_mode;
+	cells.write[p_column].dirty = true;
+	cells.write[p_column].cached_minimum_size_dirty = true;
+
+	_changed_notify(p_column);
+}
+
+Node::AutoTranslateMode TreeItem::get_auto_translate_mode(int p_column) const {
+	ERR_FAIL_INDEX_V(p_column, cells.size(), Node::AUTO_TRANSLATE_MODE_INHERIT);
+	return cells[p_column].auto_translate_mode;
+}
+
 /* multiline editable */
 void TreeItem::set_edit_multiline(int p_column, bool p_multiline) {
 	ERR_FAIL_INDEX(p_column, cells.size());
@@ -247,6 +267,24 @@ void TreeItem::propagate_check(int p_column, bool p_emit_signal) {
 	_propagate_check_through_parents(p_column, p_emit_signal);
 }
 
+String TreeItem::atr(int p_column, const String &p_text) const {
+	ERR_FAIL_INDEX_V(p_column, cells.size(), tree->atr(p_text));
+
+	switch (cells[p_column].auto_translate_mode) {
+		case Node::AUTO_TRANSLATE_MODE_INHERIT: {
+			return tree->atr(p_text);
+		} break;
+		case Node::AUTO_TRANSLATE_MODE_ALWAYS: {
+			return tree->tr(p_text);
+		} break;
+		case Node::AUTO_TRANSLATE_MODE_DISABLED: {
+			return p_text;
+		} break;
+	}
+
+	ERR_FAIL_V_MSG(tree->atr(p_text), "Unexpected auto translate mode: " + itos(cells[p_column].auto_translate_mode));
+}
+
 void TreeItem::_propagate_check_through_children(int p_column, bool p_checked, bool p_emit_signal) {
 	TreeItem *current = get_first_child();
 	while (current) {
@@ -323,7 +361,7 @@ void TreeItem::set_text(int p_column, String p_text) {
 	} 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);
+			cells.write[p_column].xl_text = atr(p_column, p_text);
 		} else {
 			cells.write[p_column].xl_text = p_text;
 		}
@@ -1621,6 +1659,9 @@ void TreeItem::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_cell_mode", "column", "mode"), &TreeItem::set_cell_mode);
 	ClassDB::bind_method(D_METHOD("get_cell_mode", "column"), &TreeItem::get_cell_mode);
 
+	ClassDB::bind_method(D_METHOD("set_auto_translate_mode", "column", "mode"), &TreeItem::set_auto_translate_mode);
+	ClassDB::bind_method(D_METHOD("get_auto_translate_mode", "column"), &TreeItem::get_auto_translate_mode);
+
 	ClassDB::bind_method(D_METHOD("set_edit_multiline", "column", "multiline"), &TreeItem::set_edit_multiline);
 	ClassDB::bind_method(D_METHOD("is_edit_multiline", "column"), &TreeItem::is_edit_multiline);
 
@@ -2009,7 +2050,7 @@ void Tree::update_item_cell(TreeItem *p_item, int p_col) {
 
 			int option = (int)p_item->cells[p_col].val;
 
-			valtext = atr(ETR("(Other)"));
+			valtext = p_item->atr(p_col, ETR("(Other)"));
 			Vector<String> strings = p_item->cells[p_col].text.split(",");
 			for (int j = 0; j < strings.size(); j++) {
 				int value = j;
@@ -2017,7 +2058,7 @@ void Tree::update_item_cell(TreeItem *p_item, int p_col) {
 					value = strings[j].get_slicec(':', 1).to_int();
 				}
 				if (option == value) {
-					valtext = atr(strings[j].get_slicec(':', 0));
+					valtext = p_item->atr(p_col, strings[j].get_slicec(':', 0));
 					break;
 				}
 			}
@@ -2028,7 +2069,7 @@ void Tree::update_item_cell(TreeItem *p_item, int p_col) {
 	} 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 (!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);
+			p_item->cells.write[p_col].xl_text = p_item->atr(p_col, p_item->cells[p_col].text);
 		} else {
 			p_item->cells.write[p_col].xl_text = p_item->cells[p_col].text;
 		}

scene/gui/tree.h

@@ -64,6 +64,7 @@ private:
 		Rect2i icon_region;
 		String text;
 		String xl_text;
+		Node::AutoTranslateMode auto_translate_mode = Node::AUTO_TRANSLATE_MODE_INHERIT;
 		bool edit_multiline = false;
 		String suffix;
 		Ref<TextParagraph> text_buf;
@@ -210,6 +211,10 @@ public:
 	void set_cell_mode(int p_column, TreeCellMode p_mode);
 	TreeCellMode get_cell_mode(int p_column) const;
 
+	/* auto translate mode */
+	void set_auto_translate_mode(int p_column, Node::AutoTranslateMode p_mode);
+	Node::AutoTranslateMode get_auto_translate_mode(int p_column) const;
+
 	/* multiline editable */
 	void set_edit_multiline(int p_column, bool p_multiline);
 	bool is_edit_multiline(int p_column) const;
@@ -222,6 +227,8 @@ public:
 
 	void propagate_check(int p_column, bool p_emit_signal = true);
 
+	String atr(int p_column, const String &p_text) const;
+
 private:
 	// Check helpers.
 	void _propagate_check_through_children(int p_column, bool p_checked, bool p_emit_signal);