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initial work on displaying non-selected-channel notes in pianoroll

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This commit is contained in:
Paul Davis 2025-02-28 11:57:16 -07:00
parent a76acf34f8
commit 47e635b689
3 changed files with 53 additions and 4 deletions
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49
gtk2_ardour/midi_view.cc
View file

@ -126,6 +126,7 @@ MidiView::MidiView (std::shared_ptr<MidiTrack> mt,
, _show_source (false)
, selection_drag (nullptr)
, draw_drag (nullptr)
, _visible_channel (-1)
, _optimization_iterator (_events.end())
, _list_editor (nullptr)
, _no_sound_notes (false)
@ -161,6 +162,7 @@ MidiView::MidiView (MidiView const & other)
, _show_source (false)
, selection_drag (nullptr)
, draw_drag (nullptr)
, _visible_channel (-1)
, _optimization_iterator (_events.end())
, _list_editor (0)
, _no_sound_notes (false)
@ -1281,6 +1283,26 @@ MidiView::view_changed()
size_end_rect ();
}
void
MidiView::visible_channel_changed ()
{
if (!display_is_enabled()) {
return;
}
if (!_model) {
return;
}
for (auto & [note, gui] : _events) {
if (gui->item()->visible()) {
color_note (gui, note->channel());
gui->set_ignore_events (note->channel() != _visible_channel);
}
}
}
void
MidiView::display_patch_changes ()
{
@ -1767,11 +1789,22 @@ MidiView::update_sustained (Note* ev)
ev->set_outline_all ();
}
// Update color in case velocity has changed
const uint32_t base_col = ev->base_color();
ev->set_fill_color (base_col);
ev->set_outline_color (ev->calculate_outline(base_col, ev->selected()));
color_note (ev, note->channel());
}
void
MidiView::color_note (NoteBase* ev, int channel)
{
// Update color in case velocity has changed
uint32_t base_color = ev->base_color();
if (channel != _visible_channel) {
base_color = Gtkmm2ext::change_alpha (base_color, 0.2);
}
ev->set_fill_color (base_color);
ev->set_outline_color (ev->calculate_outline (base_color, ev->selected()));
}
void
@ -5218,6 +5251,13 @@ MidiView::set_visibility_note_range (MidiViewBackground::VisibleNoteRange nvr, b
_midi_context.set_note_visibility_range_style (nvr);
}
void
MidiView::set_visible_channel (int chn)
{
_visible_channel = chn;
visible_channel_changed ();
}
void
StartBoundaryRect::render (ArdourCanvas::Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
{
@ -5313,3 +5353,4 @@ EndBoundaryRect::compute_bounding_box() const
const double radius = 10. * scale;
_bounding_box = _bounding_box.expand (0., 0., 0., radius + _outline_width);
}

7
gtk2_ardour/midi_view.h
View file

@ -381,6 +381,9 @@ class MidiView : public virtual sigc::trackable, public LineMerger
virtual bool midi_canvas_group_event(GdkEvent* ev);
int visible_channel() const { return _visible_channel; }
void set_visible_channel (int);
protected:
void init (std::shared_ptr<ARDOUR::MidiTrack>);
virtual void region_resized (const PBD::PropertyChange&);
@ -540,6 +543,7 @@ class MidiView : public virtual sigc::trackable, public LineMerger
bool _show_source;
Drag* selection_drag;
Drag* draw_drag;
int _visible_channel;
/** Currently selected NoteBase objects */
Selection _selection;
@ -687,6 +691,9 @@ class MidiView : public virtual sigc::trackable, public LineMerger
bool end_boundary_event (GdkEvent*);
virtual void add_control_points_to_selection (Temporal::timepos_t const &, Temporal::timepos_t const &, double y0, double y1) {}
void color_note (NoteBase*, int channel);
void visible_channel_changed ();
};

1
gtk2_ardour/pianoroll.cc
View file

@ -440,6 +440,7 @@ Pianoroll::set_visible_channel (int n)
rebuild_parameter_button_map ();
if (view) {
view->set_visible_channel (n);
view->swap_automation_channel (n);
}
}