Disable scrolling in the dropdown menus of midi region heads.

Instead pass it to the canvas as proposed by x42 in #6143.

1 files changed, 10 insertions, 1 deletions

diff --git a/gtk2_ardour/ardour_dropdown.cc b/gtk2_ardour/ardour_dropdown.cc
index 78100aa952..5c0e25fd24 100644
--- a/gtk2_ardour/ardour_dropdown.cc
+++ b/gtk2_ardour/ardour_dropdown.cc
@@ -49,6 +49,7 @@ using namespace std;
 
 
 ArdourDropdown::ArdourDropdown (Element e)
+	: _scrolling_disabled(false)
 {
 //	signal_button_press_event().connect (sigc::mem_fun(*this, &ArdourDropdown::on_mouse_pressed));
 
@@ -74,6 +75,10 @@ ArdourDropdown::on_scroll_event (GdkEventScroll* ev)
 {
 	using namespace Menu_Helpers;
 
+	if (_scrolling_disabled) {
+		return false;
+	}
+
 	const MenuItem * current_active = _menu.get_active();
 	const MenuList& items = _menu.items ();
 	int c = 0;
@@ -142,4 +147,8 @@ ArdourDropdown::AddMenuElem (Menu_Helpers::Element e)
 	items.push_back (e);
 }
 
-
+void
+ArdourDropdown::disable_scrolling()
+{
+	_scrolling_disabled = true;
+}