ardour/livetrax
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robustify MidiView so that it can be created without a MidiTrack

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This commit is contained in:
Paul Davis 2024-10-11 09:46:11 -06:00
parent 35f16f1bb6
commit bd0b5495c6
2 changed files with 84 additions and 13 deletions
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94
gtk2_ardour/midi_view.cc
View File

@ -111,8 +111,7 @@ MidiView::MidiView (std::shared_ptr<MidiTrack> mt,
EditingContext& ec,
MidiViewBackground& bg,
uint32_t basic_color)
: _midi_track (mt)
, _editing_context (ec)
: _editing_context (ec)
, _midi_context (bg)
, _active_notes (0)
, _note_group (new ArdourCanvas::Container (&parent))
@ -137,14 +136,12 @@ MidiView::MidiView (std::shared_ptr<MidiTrack> mt,
, note_splitting (false)
, _extensible (false)
{
init ();
init (mt);
}
MidiView::MidiView (MidiView const & other)
: sigc::trackable ()
, _midi_track (other._midi_track)
, _editing_context (other.editing_context())
: _editing_context (other.editing_context())
, _midi_context (other.midi_context())
, _midi_region (other.midi_region())
, _active_notes(0)
@ -169,13 +166,16 @@ MidiView::MidiView (MidiView const & other)
, split_tuple (0)
, note_splitting (false)
{
init ();
init (other._midi_track);
}
void
MidiView::init ()
MidiView::init (std::shared_ptr<MidiTrack> mt)
{
_midi_track->DropReferences.connect (track_going_away_connection, invalidator (*this), boost::bind (&MidiView::track_going_away, this), gui_context());
if (mt) {
set_track (mt);
}
_patch_change_outline = UIConfiguration::instance().color ("midi patch change outline");
_patch_change_fill = UIConfiguration::instance().color_mod ("midi patch change fill", "midi patch change fill");
@ -183,6 +183,16 @@ MidiView::init ()
EditingContext::DropDownKeys.connect (sigc::mem_fun (*this, &MidiView::drop_down_keys));
}
void
MidiView::set_track (std::shared_ptr<MidiTrack> mt)
{
_midi_track = mt;
if (_midi_track) {
_midi_track->DropReferences.connect (track_going_away_connection, invalidator (*this), boost::bind (&MidiView::track_going_away, this), gui_context());
}
}
void
MidiView::track_going_away ()
{
@ -214,9 +224,11 @@ MidiView::set_region (std::shared_ptr<MidiRegion> mr)
void
MidiView::set_model (std::shared_ptr<MidiModel> m)
{
_model = m;
assert (_midi_track);
assert (_model);
_model = m;
//set_height (trackview.current_height());
#warning paul pianorule needs these fixed
@ -767,6 +779,10 @@ MidiView::velocity_edit ()
void
MidiView::show_list_editor ()
{
if (!_midi_track) {
return;
}
if (!_list_editor) {
_list_editor = new MidiListEditor (_editing_context.session(), midi_region(), _midi_track);
}
@ -1247,6 +1263,10 @@ MidiView::view_changed()
void
MidiView::display_patch_changes ()
{
if (!_midi_track) {
return;
}
uint16_t chn_mask = _midi_track->get_playback_channel_mask();
for (uint8_t i = 0; i < 16; ++i) {
@ -1536,7 +1556,7 @@ MidiView::extend_active_notes()
void
MidiView::play_midi_note(std::shared_ptr<NoteType> note)
{
if (_no_sound_notes || !UIConfiguration::instance().get_sound_midi_notes()) {
if (!_midi_track || _no_sound_notes || !UIConfiguration::instance().get_sound_midi_notes()) {
return;
}
@ -1557,7 +1577,7 @@ MidiView::start_playing_midi_note(std::shared_ptr<NoteType> note)
void
MidiView::start_playing_midi_chord (vector<std::shared_ptr<NoteType> > notes)
{
if (_no_sound_notes || !UIConfiguration::instance().get_sound_midi_notes()) {
if (!_midi_track || _no_sound_notes || !UIConfiguration::instance().get_sound_midi_notes()) {
return;
}
@ -1825,6 +1845,10 @@ MidiView::step_sustain (Temporal::Beats beats)
void
MidiView::add_canvas_patch_change (MidiModel::PatchChangePtr patch)
{
if (!_midi_track) {
return;
}
timecnt_t off (_midi_region->source_beats_to_region_time (patch->time()), _midi_region->position());
const double x = _editing_context.duration_to_pixels (off);
double const height = _midi_context.contents_height();
@ -3556,6 +3580,9 @@ MidiView::note_left (NoteBase*)
void
MidiView::patch_entered (PatchChange* p)
{
if (!_midi_track) {
return;
}
ostringstream s;
s << _("Bank ") << (p->patch()->bank() + MIDI_BP_ZERO) << '\n'
<< _midi_track->instrument_info().get_patch_name_without (p->patch()->bank(), p->patch()->program(), p->patch()->channel()) << '\n'
@ -3632,6 +3659,10 @@ MidiView::get_fill_color() const
void
MidiView::midi_channel_mode_changed ()
{
if (!_midi_track) {
return;
}
uint16_t mask = _midi_track->get_playback_channel_mask();
ChannelMode mode = _midi_track->get_playback_channel_mode ();
@ -3855,6 +3886,10 @@ struct EventNoteTimeEarlyFirstComparator {
void
MidiView::goto_next_note (bool add_to_selection)
{
if (!_midi_track) {
return;
}
bool use_next = false;
uint16_t const channel_mask = _midi_track->get_playback_channel_mask();
@ -3907,6 +3942,10 @@ MidiView::goto_next_note (bool add_to_selection)
void
MidiView::goto_previous_note (bool add_to_selection)
{
if (!_midi_track) {
return;
}
bool use_next = false;
uint16_t const channel_mask = _midi_track->get_playback_channel_mask ();
@ -4080,6 +4119,10 @@ MidiView::drop_down_keys ()
void
MidiView::maybe_select_by_position (GdkEventButton* ev, double /*x*/, double y)
{
if (!_midi_track) {
return;
}
/* XXX: This is dead code. What was it for? */
double note = y_to_note(y);
@ -4177,6 +4220,15 @@ MidiView::set_step_edit_cursor_width (Temporal::Beats beats)
void
MidiView::clip_data_recorded ()
{
if (!_midi_track) {
return;
}
if (!_active_notes) {
/* we aren't actively being recorded to */
return;
}
std::shared_ptr<TriggerBox> tb = _midi_track->triggerbox();
assert (tb);
@ -4242,6 +4294,10 @@ MidiView::clip_data_recorded ()
void
MidiView::data_recorded (std::weak_ptr<MidiSource> w)
{
if (!_midi_track) {
return;
}
if (!_active_notes) {
/* we aren't actively being recorded to */
return;
@ -4344,6 +4400,10 @@ MidiView::trim_front_ending ()
void
MidiView::edit_patch_change (PatchChange* pc)
{
if (!_midi_track) {
return;
}
PatchChangeDialog d (_editing_context.session(), *pc->patch (), _midi_track->instrument_info(), Gtk::Stock::APPLY, true, true, _midi_region);
int response = d.run();
@ -4374,6 +4434,10 @@ MidiView::delete_sysex (SysEx* sysex)
std::string
MidiView::get_note_name (std::shared_ptr<NoteType> n, uint8_t note_value) const
{
if (!_midi_track) {
return string();
}
using namespace MIDI::Name;
std::string name;
@ -4486,12 +4550,18 @@ MidiView::get_velocity_for_add (MidiModel::TimeType time) const
ChannelMode
MidiView::get_channel_mode () const
{
if (!_midi_track) {
return AllChannels;;
}
return _midi_track->get_playback_channel_mode();
}
uint16_t
MidiView::get_selected_channels () const
{
if (!_midi_track) {
return 0;
}
return _midi_track->get_playback_channel_mask();
}

3
gtk2_ardour/midi_view.h
View File

@ -119,6 +119,7 @@ class MidiView : public virtual sigc::trackable, public LineMerger
virtual std::string get_modifier_name() const;
void set_region (std::shared_ptr<ARDOUR::MidiRegion>);
void set_track (std::shared_ptr<ARDOUR::MidiTrack>);
void set_model (std::shared_ptr<ARDOUR::MidiModel>);
NoteBase* add_note(const std::shared_ptr<NoteType> note, bool visible);
@ -347,7 +348,7 @@ class MidiView : public virtual sigc::trackable, public LineMerger
virtual void select_self_uniquely () {}
protected:
void init ();
void init (std::shared_ptr<ARDOUR::MidiTrack>);
virtual void region_resized (const PBD::PropertyChange&);
void set_flags (XMLNode *);