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implement copy-drag for MIDI notes.

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Probably some corner cases to be fixed, but pretty functional and largely modelled
on existing code (paste, drag, step add note etc.)
This commit is contained in:
Paul Davis 2017-01-23 21:57:38 +01:00
parent 4a03572cd9
commit 8dedea5ffa
4 changed files with 196 additions and 53 deletions
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25
gtk2_ardour/editor_drag.cc
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@ -5209,7 +5209,7 @@ SelectionDrag::motion (GdkEvent* event, bool first_move)
//( NOTE: most mouse moves don't change the selection so we can't just SET it for every mouse move; it gets clunky )
TrackViewList tracks_to_add;
TrackViewList tracks_to_remove;
for (TrackViewList::const_iterator i = new_selection.begin(); i != new_selection.end(); ++i)
for (TrackViewList::const_iterator i = new_selection.begin(); i != new_selection.end(); ++i)
if ( !_editor->selection->tracks.contains ( *i ) )
tracks_to_add.push_back ( *i );
_editor->selection->add(tracks_to_add);
@ -5611,6 +5611,7 @@ NoteDrag::NoteDrag (Editor* e, ArdourCanvas::Item* i)
, _cumulative_dx (0)
, _cumulative_dy (0)
, _was_selected (false)
, _copy (false)
{
DEBUG_TRACE (DEBUG::Drags, "New NoteDrag\n");
@ -5624,6 +5625,13 @@ void
NoteDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
Drag::start_grab (event);
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::CopyModifier)) {
_copy = true;
} else {
_copy = false;
}
setup_snap_delta (_region->source_beats_to_absolute_frames (_primary->note()->time ()));
if (!(_was_selected = _primary->selected())) {
@ -5720,8 +5728,13 @@ NoteDrag::total_dy () const
}
void
NoteDrag::motion (GdkEvent * event, bool)
NoteDrag::motion (GdkEvent * event, bool first_move)
{
if (_copy && first_move) {
/* make copies of all the selected notes */
_primary = _region->copy_selection ();
}
/* Total change in x and y since the start of the drag */
frameoffset_t const dx = total_dx (event->button.state);
int8_t const dy = total_dy ();
@ -5737,7 +5750,11 @@ NoteDrag::motion (GdkEvent * event, bool)
int8_t note_delta = total_dy();
if (tdx || tdy) {
_region->move_selection (tdx, tdy, note_delta);
if (_copy) {
_region->move_copies (tdx, tdy, note_delta);
} else {
_region->move_selection (tdx, tdy, note_delta);
}
/* the new note value may be the same as the old one, but we
* don't know what that means because the selection may have
@ -5797,7 +5814,7 @@ NoteDrag::finished (GdkEvent* ev, bool moved)
}
}
} else {
_region->note_dropped (_primary, total_dx (ev->button.state), total_dy());
_region->note_dropped (_primary, total_dx (ev->button.state), total_dy(), _copy);
}
}