diff options
Diffstat (limited to 'libs/evoral/src/ControlList.cpp')
| -rw-r--r-- | libs/evoral/src/ControlList.cpp | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/libs/evoral/src/ControlList.cpp b/libs/evoral/src/ControlList.cpp index d8665d3396..d9c1b993bd 100644 --- a/libs/evoral/src/ControlList.cpp +++ b/libs/evoral/src/ControlList.cpp @@ -451,12 +451,19 @@ ControlList::in_write_pass () const return _in_write_pass; } -void +bool ControlList::editor_add (double when, double value, bool with_guard) { /* this is for making changes from a graphical line editor */ + ControlEvent cp (when, 0.0f); + iterator i = lower_bound (_events.begin(), _events.end(), &cp, time_comparator); + + if (i != _events.end () && (*i)->when == when) { + return false; + } + if (_events.empty()) { /* as long as the point we're adding is not at zero, @@ -477,15 +484,18 @@ ControlList::editor_add (double when, double value, bool with_guard) maybe_add_insert_guard (when); } - ControlEvent cp (when, 0.0f); - iterator i = lower_bound (_events.begin(), _events.end(), &cp, time_comparator); + iterator result; DEBUG_TRACE (DEBUG::ControlList, string_compose ("editor_add: actually add when= %1 value= %2\n", when, value)); - _events.insert (i, new ControlEvent (when, value)); + result = _events.insert (i, new ControlEvent (when, value)); - mark_dirty (); + if (i == result) { + return false; + } + mark_dirty (); maybe_signal_changed (); + return true; } void |