ardour/livetrax
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Fix frame-based beat calculation in MidiRegionView::snap_frame_to_grid_underneath()

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- this caused the ghost note under the pointer to behave badly when
	  hovering near an audio-locked meter.
This commit is contained in:
nick_m 2016-08-16 00:48:54 +10:00
parent 4848cb6d42
commit 62372b48ea
1 changed files with 7 additions and 6 deletions
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13
gtk2_ardour/midi_region_view.cc
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@ -4122,18 +4122,19 @@ MidiRegionView::snap_frame_to_grid_underneath (framepos_t p, framecnt_t& grid_fr
{
PublicEditor& editor = trackview.editor ();
const Evoral::Beats grid_beats = get_grid_beats(p);
const Evoral::Beats p_beat = max (Evoral::Beats(), region_frames_to_region_beats (p));
grid_frames = region_beats_to_region_frames (p_beat + grid_beats) - region_beats_to_region_frames (p_beat);
Evoral::Beats p_beat = max (Evoral::Beats(), region_frames_to_region_beats (p));
const double rem = fmod (p_beat.to_double(), grid_beats.to_double());
/* Hack so that we always snap to the note that we are over, instead of snapping
to the next one if we're more than halfway through the one we're over.
*/
if (editor.snap_mode() == SnapNormal && p >= grid_frames / 2) {
p -= grid_frames / 2;
if (editor.snap_mode() == SnapNormal && rem >= grid_beats.to_double() / 2.0) {
p_beat -= Evoral::Beats(grid_beats.to_double() / 2.0);
}
return snap_frame_to_frame (p);
const framepos_t snap_me = trackview.session()->tempo_map().frame_at_beat (p_beat.to_double() + _region->beat()) - _region->position();
return snap_frame_to_frame (snap_me);
}
ChannelMode