Bring back contrained drag modifier with preference setting.

[ardour.git] / gtk2_ardour / keyboard.h

diff --git a/gtk2_ardour/keyboard.h b/gtk2_ardour/keyboard.h
index 8ed30efb72210f609e72ba9244d5d682dc8f8884..b163bfaa375410c1aa0018d3c7eff93c820fca80 100644 (file)
--- a/gtk2_ardour/keyboard.h
+++ b/gtk2_ardour/keyboard.h
@@ -44,6 +44,11 @@ class ArdourKeyboard : public Gtkmm2ext::Keyboard
        static bool indicates_snap (guint state);
        static bool indicates_snap_delta (guint state);
 
+       static void set_constraint_modifier (guint);
+       /** @return Modifier mask to constrain drags in a particular direction;
+        */
+       static ModifierMask constraint_modifier () { return ModifierMask (constraint_mod); }
+
        static void set_trim_contents_modifier (guint);
        /** @return Modifier mask to move contents rather than region bounds during trim;
         */
@@ -74,6 +79,7 @@ class ArdourKeyboard : public Gtkmm2ext::Keyboard
         */
        static ModifierMask note_size_relative_modifier () { return ModifierMask (note_size_relative_mod); }
 private:
+       static guint     constraint_mod;
        static guint     trim_contents_mod;
        static guint     trim_overlap_mod;
        static guint     trim_anchored_mod;