Update PopupMenu hiding

Make PopupMenu hiding distinguish between checkable item and non checkable
item.

doc/base/classes.xml

@@ -34517,6 +34517,13 @@
 				Returns a boolean that indicates whether or not the PopupMenu will hide on item selection.
 			</description>
 		</method>
+                <method name="is_hide_on_checkable_item_selection">
+                        <return type="bool">
+                        </return>
+                        <description>
+                                Returns a boolean that indicates whether or not the PopupMenu will hide on checkable item selection.
+                        </description>
+                </method>
 		<method name="is_item_checkable" qualifiers="const">
 			<return type="bool">
 			</return>
@@ -34567,6 +34574,13 @@
 				Sets whether or not the PopupMenu will hide on item selection.
 			</description>
 		</method>
+                <method name="set_hide_on_checkable_item_selection">
+                        <argument index="0" name="enable" type="bool">
+                        </argument>
+                        <description>
+                                Sets whether or not the PopupMenu will hide on checkable item selection.
+                        </description>
+                </method>
 		<method name="set_item_ID">
 			<argument index="0" name="idx" type="int">
 			</argument>

scene/gui/popup_menu.cpp

@@ -878,7 +878,7 @@ void PopupMenu::activate_item(int p_item) {
 	while (pop) {
 		// We close all parents that are chained together,
 		// with hide_on_item_selection enabled
-		if (hide_on_item_selection && pop->is_hide_on_item_selection()) {
+		if ((items[p_item].checkable && hide_on_checkable_item_selection && pop->is_hide_on_checkable_item_selection()) || (!items[p_item].checkable && hide_on_item_selection && pop->is_hide_on_item_selection())) {
 			pop->hide();
 			next = next->get_parent();
 			pop = next->cast_to<PopupMenu>();
@@ -889,8 +889,8 @@ void PopupMenu::activate_item(int p_item) {
 		}
 	}
 	// Hides popup by default; unless otherwise specified
-	// by using set_hide_on_item_selection
+	// by using set_hide_on_item_selection and set_hide_on_checkable_item_selection
-	if (hide_on_item_selection) {
+	if ((items[p_item].checkable && hide_on_checkable_item_selection) || (!items[p_item].checkable && hide_on_item_selection)) {
 		hide();
 	}
 }
@@ -1013,6 +1013,16 @@ bool PopupMenu::is_hide_on_item_selection() {
 	return hide_on_item_selection;
 }
 
+void PopupMenu::set_hide_on_checkable_item_selection(bool p_enabled) {
+
+	hide_on_checkable_item_selection = p_enabled;
+}
+
+bool PopupMenu::is_hide_on_checkable_item_selection() {
+
+	return hide_on_checkable_item_selection;
+}
+
 String PopupMenu::get_tooltip(const Point2 &p_pos) const {
 
 	int over = _get_mouse_over(p_pos);
@@ -1101,10 +1111,14 @@ void PopupMenu::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_hide_on_item_selection", "enable"), &PopupMenu::set_hide_on_item_selection);
 	ClassDB::bind_method(D_METHOD("is_hide_on_item_selection"), &PopupMenu::is_hide_on_item_selection);
 
+	ClassDB::bind_method(D_METHOD("set_hide_on_checkable_item_selection", "enable"), &PopupMenu::set_hide_on_checkable_item_selection);
+	ClassDB::bind_method(D_METHOD("is_hide_on_checkable_item_selection"), &PopupMenu::is_hide_on_checkable_item_selection);
+
 	ClassDB::bind_method(D_METHOD("_submenu_timeout"), &PopupMenu::_submenu_timeout);
 
 	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "items", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "_set_items", "_get_items");
 	ADD_PROPERTYNO(PropertyInfo(Variant::BOOL, "hide_on_item_selection"), "set_hide_on_item_selection", "is_hide_on_item_selection");
+	ADD_PROPERTYNO(PropertyInfo(Variant::BOOL, "hide_on_checkable_item_selection"), "set_hide_on_checkable_item_selection", "is_hide_on_checkable_item_selection");
 
 	ADD_SIGNAL(MethodInfo("id_pressed", PropertyInfo(Variant::INT, "ID")));
 	ADD_SIGNAL(MethodInfo("index_pressed", PropertyInfo(Variant::INT, "index")));
@@ -1122,6 +1136,7 @@ PopupMenu::PopupMenu() {
 	set_focus_mode(FOCUS_ALL);
 	set_as_toplevel(true);
 	set_hide_on_item_selection(true);
+	set_hide_on_checkable_item_selection(true);
 
 	submenu_timer = memnew(Timer);
 	submenu_timer->set_wait_time(0.3);

scene/gui/popup_menu.h

@@ -85,6 +85,7 @@ class PopupMenu : public Popup {
 
 	bool invalidated_click;
 	bool hide_on_item_selection;
+	bool hide_on_checkable_item_selection;
 	Vector2 moved;
 
 	Array _get_items() const;
@@ -168,6 +169,9 @@ public:
 	void set_hide_on_item_selection(bool p_enabled);
 	bool is_hide_on_item_selection();
 
+	void set_hide_on_checkable_item_selection(bool p_enabled);
+	bool is_hide_on_checkable_item_selection();
+
 	PopupMenu();
 	~PopupMenu();
 };