+/* Constraint and copy modifiers are both in effect at the beginning of some drags, and may be set ambiguously */
+bool
+ArdourKeyboard::indicates_copy (guint state)
+{
+ const bool contains_c = Keyboard::modifier_state_contains (state, Keyboard::CopyModifier);
+ const bool equals_cs = Keyboard::modifier_state_equals (state, constraint_modifier ());
+
+ return contains_c && !equals_cs;
+}
+
+bool
+ArdourKeyboard::indicates_constraint (guint state)
+{
+ const bool contains_cs = Keyboard::modifier_state_contains (state, constraint_modifier ());
+ const bool equals_c = Keyboard::modifier_state_equals (state, Keyboard::CopyModifier);
+
+ return contains_cs && !equals_c;
+}
+