ardour/livetrax
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add Editor API to manage tempo map edits (at least, drags)

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This commit is contained in:
Paul Davis 2022-01-15 22:53:36 -07:00
parent 7ea072a4f4
commit 4db7aa6bdc
2 changed files with 28 additions and 0 deletions
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3
gtk2_ardour/editor.h
View File

@ -1847,6 +1847,9 @@ private:
void reassociate_metric_markers (Temporal::TempoMap::SharedPtr const &);
void reassociate_metric_marker (Temporal::TempoMap::SharedPtr const & tmap, Temporal::TempoMap::Metrics & metric, ArdourMarker& marker);
void begin_tempo_map_edit ();
void abort_tempo_map_edit ();
void commit_tempo_map_edit ();
void tempo_map_changed ();
void redisplay_grid (bool immediate_redraw);

25
gtk2_ardour/editor_tempodisplay.cc
View File

@ -626,3 +626,28 @@ Editor::real_remove_meter_marker (Temporal::MeterPoint *section)
return FALSE;
}
void
Editor::begin_tempo_map_edit ()
{
TempoMap::fetch_writable ();
TempoMap::SharedPtr tmap (TempoMap::use());
reassociate_metric_markers (tmap);
}
void
Editor::abort_tempo_map_edit ()
{
/* this drops the lock held while we have a writable copy in our per-thread pointer */
TempoMap::abort_update ();
TempoMap::SharedPtr tmap (TempoMap::fetch());
reassociate_metric_markers (tmap);
}
void
Editor::commit_tempo_map_edit ()
{
TempoMap::SharedPtr tmap (TempoMap::use());
TempoMap::update (tmap);
}