Enable toggle behaviour for buttons that trigger popups

scene/gui/color_picker.cpp

@@ -813,6 +813,8 @@ void ColorPickerButton::_update_picker() {
 		add_child(popup);
 		picker->connect("color_changed", this, "_color_changed");
 		popup->connect("modal_closed", this, "_modal_closed");
+		popup->connect("about_to_show", this, "set_pressed", varray(true));
+		popup->connect("popup_hide", this, "set_pressed", varray(false));
 		picker->set_pick_color(color);
 		picker->set_edit_alpha(edit_alpha);
 	}
@@ -843,4 +845,6 @@ ColorPickerButton::ColorPickerButton() {
 	picker = NULL;
 	popup = NULL;
 	edit_alpha = true;
+
+	set_toggle_mode(true);
 }

scene/gui/menu_button.cpp

@@ -116,15 +116,19 @@ MenuButton::MenuButton() {
 
 	switch_on_hover = false;
 	set_flat(true);
+	set_toggle_mode(true);
 	set_disable_shortcuts(false);
 	set_enabled_focus_mode(FOCUS_NONE);
+	set_process_unhandled_key_input(true);
+	set_action_mode(ACTION_MODE_BUTTON_PRESS);
+
 	popup = memnew(PopupMenu);
 	popup->hide();
 	add_child(popup);
 	popup->set_as_toplevel(true);
 	popup->set_pass_on_modal_close_click(false);
-	set_process_unhandled_key_input(true);
-	set_action_mode(ACTION_MODE_BUTTON_PRESS);
+	popup->connect("about_to_show", this, "set_pressed", varray(true)); // For when switching from another MenuButton.
+	popup->connect("popup_hide", this, "set_pressed", varray(false));
 }
 
 MenuButton::~MenuButton() {

scene/gui/option_button.cpp

@@ -333,6 +333,7 @@ void OptionButton::_bind_methods() {
 OptionButton::OptionButton() {
 
 	current = -1;
+	set_toggle_mode(true);
 	set_text_align(ALIGN_LEFT);
 	set_action_mode(ACTION_MODE_BUTTON_PRESS);
 
@@ -343,6 +344,7 @@ OptionButton::OptionButton() {
 	popup->set_pass_on_modal_close_click(false);
 	popup->connect("id_pressed", this, "_selected");
 	popup->connect("id_focused", this, "_focused");
+	popup->connect("popup_hide", this, "set_pressed", varray(false));
 }
 
 OptionButton::~OptionButton() {