Inspector: Right click on resource opens sub-menu.

Fixes #9052

editor/property_editor.cpp

@@ -3736,6 +3736,10 @@ void PropertyEditor::_item_selected() {
 	selected_property = item->get_metadata(1);
 }
 
+void PropertyEditor::_item_rmb_edited() {
+	_custom_editor_request(true);
+}
+
 void PropertyEditor::_edit_set(const String &p_name, const Variant &p_value, bool p_refresh_all, const String &p_changed_field) {
 
 	if (autoclear) {
@@ -4232,6 +4236,7 @@ void PropertyEditor::_bind_methods() {
 
 	ClassDB::bind_method("_item_edited", &PropertyEditor::_item_edited);
 	ClassDB::bind_method("_item_selected", &PropertyEditor::_item_selected);
+	ClassDB::bind_method("_item_rmb_edited", &PropertyEditor::_item_rmb_edited);
 	ClassDB::bind_method("_item_folded", &PropertyEditor::_item_folded);
 	ClassDB::bind_method("_custom_editor_request", &PropertyEditor::_custom_editor_request);
 	ClassDB::bind_method("_custom_editor_edited", &PropertyEditor::_custom_editor_edited);
@@ -4386,6 +4391,7 @@ PropertyEditor::PropertyEditor() {
 	add_child(tree);
 
 	tree->connect("item_edited", this, "_item_edited", varray(), CONNECT_DEFERRED);
+	tree->connect("item_rmb_edited", this, "_item_rmb_edited");
 	tree->connect("cell_selected", this, "_item_selected");
 	tree->connect("item_collapsed", this, "_item_folded");
 

editor/property_editor.h

@@ -209,6 +209,7 @@ class PropertyEditor : public Control {
 	void _custom_editor_request(bool p_arrow);
 
 	void _item_selected();
+	void _item_rmb_edited();
 	void _item_edited();
 	TreeItem *get_parent_node(String p_path, HashMap<String, TreeItem *> &item_paths, TreeItem *root, TreeItem *category);
 

scene/gui/tree.cpp

@@ -1856,13 +1856,14 @@ int Tree::propagate_mouse_event(const Point2i &p_pos, int x_ofs, int y_ofs, bool
 
 				bring_up_editor = false;
 
+				custom_popup_rect = Rect2i(get_global_position() + Point2i(col_ofs, _get_title_button_height() + y_ofs + item_h - cache.offset.y), Size2(get_column_width(col), item_h));
+
 				if (on_arrow || !p_item->cells[col].custom_button) {
-					custom_popup_rect = Rect2i(get_global_position() + Point2i(col_ofs, _get_title_button_height() + y_ofs + item_h - cache.offset.y), Size2(get_column_width(col), item_h));
 					emit_signal("custom_popup_edited", ((bool)(x >= (col_width - item_h / 2))));
 				}
 
 				if (!p_item->cells[col].custom_button || !on_arrow) {
-					item_edited(col, p_item);
+					item_edited(col, p_item, p_button == BUTTON_LEFT);
 				}
 				click_handled = true;
 				return -1;
@@ -2925,11 +2926,14 @@ TreeItem *Tree::get_last_item() {
 	return last;
 }
 
-void Tree::item_edited(int p_column, TreeItem *p_item) {
+void Tree::item_edited(int p_column, TreeItem *p_item, bool p_lmb) {
 
 	edited_item = p_item;
 	edited_col = p_column;
-	emit_signal("item_edited");
+	if (p_lmb)
+		emit_signal("item_edited");
+	else
+		emit_signal("item_rmb_edited");
 }
 
 void Tree::item_changed(int p_column, TreeItem *p_item) {
@@ -3645,6 +3649,7 @@ void Tree::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("item_rmb_selected", PropertyInfo(Variant::VECTOR2, "pos")));
 	ADD_SIGNAL(MethodInfo("empty_tree_rmb_selected", PropertyInfo(Variant::VECTOR2, "pos")));
 	ADD_SIGNAL(MethodInfo("item_edited"));
+	ADD_SIGNAL(MethodInfo("item_rmb_edited"));
 	ADD_SIGNAL(MethodInfo("item_custom_button_pressed"));
 	ADD_SIGNAL(MethodInfo("item_double_clicked"));
 	ADD_SIGNAL(MethodInfo("item_collapsed", PropertyInfo(Variant::OBJECT, "item")));

scene/gui/tree.h

@@ -381,7 +381,7 @@ private:
 
 	Size2 get_minimum_size() const;
 
-	void item_edited(int p_column, TreeItem *p_item);
+	void item_edited(int p_column, TreeItem *p_item, bool p_lmb = true);
 	void item_changed(int p_column, TreeItem *p_item);
 	void item_selected(int p_column, TreeItem *p_item);
 	void item_deselected(int p_column, TreeItem *p_item);