Tempo ramps - fix changing from const to ramp in the gui.

[ardour.git] / gtk2_ardour / step_editor.cc

diff --git a/gtk2_ardour/step_editor.cc b/gtk2_ardour/step_editor.cc
index e19f89fa4a0458ee53ba2a1fc13fddab543e8f1f..e8579a94f584ee3948c7423bfddda29e59847c09 100644 (file)
--- a/gtk2_ardour/step_editor.cc
+++ b/gtk2_ardour/step_editor.cc
@@ -118,7 +118,12 @@ StepEditor::prepare_step_edit_region ()
                const Meter& m = _mtv.session()->tempo_map().meter_at (step_edit_insert_position);
                const Tempo& t = _mtv.session()->tempo_map().tempo_at (step_edit_insert_position);
 
-               step_edit_region = _mtv.add_region (step_edit_insert_position, floor (m.frames_per_bar (t, _mtv.session()->frame_rate())), true);
+               double baf = _mtv.session()->tempo_map().beat_at_frame (step_edit_insert_position);
+               double next_bar_in_beats =  baf + m.divisions_per_bar();
+               framecnt_t next_bar_pos = _mtv.session()->tempo_map().frame_at_beat (next_bar_in_beats);
+               framecnt_t len = next_bar_pos - step_edit_insert_position;
+
+               step_edit_region = _mtv.add_region (step_edit_insert_position, len, true);
 
                RegionView* rv = _mtv.midi_view()->find_view (step_edit_region);
                step_edit_region_view = dynamic_cast<MidiRegionView*>(rv);