fix certain popup close clicks with popup buttons

editor/property_editor.cpp

@@ -1948,6 +1948,7 @@ CustomPropertyEditor::CustomPropertyEditor() {
 	type_button->get_popup()->connect("id_pressed", this, "_type_create_selected");
 
 	menu = memnew(PopupMenu);
+	menu->set_pass_on_modal_close_click(false);
 	add_child(menu);
 	menu->connect("id_pressed", this, "_menu_option");
 
@@ -4288,6 +4289,7 @@ PropertyEditor::PropertyEditor() {
 	set_physics_process(true);
 
 	custom_editor = memnew(CustomPropertyEditor);
+	custom_editor->set_pass_on_modal_close_click(false);
 	add_child(custom_editor);
 
 	tree->connect("custom_popup_edited", this, "_custom_editor_request");

scene/gui/control.cpp

@@ -2470,6 +2470,16 @@ Control::MouseFilter Control::get_mouse_filter() const {
 	return data.mouse_filter;
 }
 
+void Control::set_pass_on_modal_close_click(bool p_pass_on) {
+
+	data.pass_on_modal_close_click = p_pass_on;
+}
+
+bool Control::pass_on_modal_close_click() const {
+
+	return data.pass_on_modal_close_click;
+}
+
 Control *Control::get_focus_owner() const {
 
 	ERR_FAIL_COND_V(!is_inside_tree(), NULL);
@@ -2934,6 +2944,7 @@ Control::Control() {
 	data.parent = NULL;
 
 	data.mouse_filter = MOUSE_FILTER_STOP;
+	data.pass_on_modal_close_click = true;
 
 	data.SI = NULL;
 	data.MI = NULL;

scene/gui/control.h

@@ -165,6 +165,8 @@ private:
 		bool pending_min_size_update;
 		Point2 custom_minimum_size;
 
+		bool pass_on_modal_close_click;
+
 		MouseFilter mouse_filter;
 
 		bool clip_contents;
@@ -401,6 +403,9 @@ public:
 	void set_mouse_filter(MouseFilter p_filter);
 	MouseFilter get_mouse_filter() const;
 
+	void set_pass_on_modal_close_click(bool p_pass_on);
+	bool pass_on_modal_close_click() const;
+
 	/* SKINNING */
 
 	void add_icon_override(const StringName &p_name, const Ref<Texture> &p_icon);

scene/gui/menu_button.cpp

@@ -111,6 +111,7 @@ MenuButton::MenuButton() {
 	popup->hide();
 	add_child(popup);
 	popup->set_as_toplevel(true);
+	popup->set_pass_on_modal_close_click(false);
 	connect("button_up", popup, "call_deferred", make_binds("grab_click_focus"));
 	set_process_unhandled_key_input(true);
 	set_action_mode(ACTION_MODE_BUTTON_PRESS);

scene/gui/option_button.cpp

@@ -323,6 +323,7 @@ OptionButton::OptionButton() {
 	popup = memnew(PopupMenu);
 	popup->hide();
 	popup->set_as_toplevel(true);
+	popup->set_pass_on_modal_close_click(false);
 	add_child(popup);
 	popup->connect("id_pressed", this, "_selected");
 

scene/main/viewport.cpp

@@ -1649,6 +1649,8 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
 
 			} else {
 
+				bool is_handled = false;
+
 				_gui_sort_modal_stack();
 				while (!gui.modal_stack.empty()) {
 
@@ -1666,11 +1668,20 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
 						top->notification(Control::NOTIFICATION_MODAL_CLOSE);
 						top->_modal_stack_remove();
 						top->hide();
+
+						if (!top->pass_on_modal_close_click()) {
+							is_handled = true;
+						}
 					} else {
 						break;
 					}
 				}
 
+				if (is_handled) {
+					get_tree()->set_input_as_handled();
+					return;
+				}
+
 				//Matrix32 parent_xform;
 
 				/*