add a special bool option that prevents redrawing

gtk2_ardour/option_editor.cc

@@ -28,6 +28,7 @@
 #include "ardour/dB.h"
 #include "ardour/session.h"
 
+#include "public_editor.h"
 #include "option_editor.h"
 #include "gui_thread.h"
 #include "i18n.h"
@@ -139,6 +140,18 @@ BoolOption::toggled ()
 	_set (_button->get_active ());
 }
 
+RouteDisplayBoolOption::RouteDisplayBoolOption (string const & i, string const & n, sigc::slot<bool> g, sigc::slot<bool, bool> s)
+	: BoolOption (i, n, g, s)
+{
+}
+
+void
+RouteDisplayBoolOption::toggled ()
+{
+	DisplaySuspender ds;
+	BoolOption::toggled ();
+}
+
 EntryOption::EntryOption (string const & i, string const & n, sigc::slot<string> g, sigc::slot<bool, string> s)
 	: Option (i, n),
 	  _get (g),

gtk2_ardour/option_editor.h

@@ -169,11 +169,11 @@ public:
 		_button->set_sensitive (yn);
 	}
 
-        Gtk::Widget& tip_widget() { return *_button; }
+	Gtk::Widget& tip_widget() { return *_button; }
 
-private:
+protected:
 
-	void toggled ();
+	virtual void toggled ();
 
 	sigc::slot<bool>       _get; ///< slot to get the configuration variable's value
 	sigc::slot<bool, bool> _set;  ///< slot to set the configuration variable's value
@@ -181,6 +181,14 @@ private:
 	Gtk::Label*            _label; ///< label for button, so we can use markup
 };
 
+class RouteDisplayBoolOption : public BoolOption
+{
+public:
+	RouteDisplayBoolOption (std::string const &, std::string const &, sigc::slot<bool>, sigc::slot<bool, bool>);
+protected:
+	virtual void toggled ();
+};
+
 /** Component which allows to add any GTK Widget - intended for single buttons and custom stateless objects */
 class FooOption : public OptionEditorComponent
 {