+
+ _enable_display = true;
+
+ if (_model) {
+ if (wfd) {
+ redisplay_model();
+ }
+ _model->ContentsChanged.connect(sigc::mem_fun(this, &MidiRegionView::redisplay_model));
+ }
+
+ midi_region()->midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegionView::switch_source));
+
+ group->signal_event().connect (mem_fun (this, &MidiRegionView::canvas_event), false);
+
+}
+
+bool
+MidiRegionView::canvas_event(GdkEvent* ev)
+{
+ static bool delete_mod = false;
+ static Editing::MidiEditMode original_mode;
+
+ static double drag_start_x, drag_start_y;
+ static double last_x, last_y;
+ double event_x, event_y;
+ nframes_t event_frame = 0;
+
+ static ArdourCanvas::SimpleRect* drag_rect = NULL;
+
+ if (trackview.editor.current_mouse_mode() != MouseNote)
+ return false;
+
+ // Mmmm, spaghetti
+
+ switch (ev->type) {
+ case GDK_KEY_PRESS:
+ cout << "KEY" << endl;
+ if (ev->key.keyval == GDK_Delete && !delete_mod) {
+ delete_mod = true;
+ original_mode = trackview.editor.current_midi_edit_mode();
+ trackview.editor.set_midi_edit_mode(MidiEditErase);
+ start_remove_command();
+ _mouse_state = EraseTouchDragging;
+ } else if (ev->key.keyval == GDK_Shift_L || ev->key.keyval == GDK_Control_L) {
+ _mouse_state = SelectTouchDragging;
+ }
+ return true;
+
+ case GDK_KEY_RELEASE:
+ if (ev->key.keyval == GDK_Delete) {
+ if (_mouse_state == EraseTouchDragging) {
+ delete_selection();
+ apply_command();
+ }
+ if (delete_mod) {
+ trackview.editor.set_midi_edit_mode(original_mode);
+ delete_mod = false;
+ }
+ } else if (ev->key.keyval == GDK_Shift_L || ev->key.keyval == GDK_Control_L) {
+ _mouse_state = None;
+ }
+ return true;
+
+ case GDK_BUTTON_PRESS:
+ if (_mouse_state != SelectTouchDragging && _mouse_state != EraseTouchDragging)
+ _mouse_state = Pressed;
+ _pressed_button = ev->button.button;
+ return true;
+
+ case GDK_ENTER_NOTIFY:
+ /* FIXME: do this on switch to note tool, too, if the pointer is already in */
+ Keyboard::magic_widget_grab_focus();
+ group->grab_focus();
+ break;
+
+ case GDK_MOTION_NOTIFY:
+ event_x = ev->motion.x;
+ event_y = ev->motion.y;
+ group->w2i(event_x, event_y);
+
+ event_frame = trackview.editor.pixel_to_frame(event_x);
+ trackview.editor.snap_to(event_frame);
+
+ switch (_mouse_state) {
+ case Pressed: // Drag start
+
+ // Select drag start
+ if (_pressed_button == 1 && trackview.editor.current_midi_edit_mode() == MidiEditSelect) {
+ group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
+ Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
+ last_x = event_x;
+ last_y = event_y;
+ drag_start_x = event_x;
+ drag_start_y = event_y;
+
+ drag_rect = new ArdourCanvas::SimpleRect(*group);
+ drag_rect->property_x1() = event_x;
+ drag_rect->property_y1() = event_y;
+ drag_rect->property_x2() = event_x;
+ drag_rect->property_y2() = event_y;
+ drag_rect->property_outline_what() = 0xFF;
+ drag_rect->property_outline_color_rgba()
+ = ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
+ drag_rect->property_fill_color_rgba()
+ = ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
+
+ _mouse_state = SelectRectDragging;
+ return true;
+
+ // Add note drag start
+ } else if (trackview.editor.current_midi_edit_mode() == MidiEditPencil) {
+ group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
+ Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
+ last_x = event_x;
+ last_y = event_y;
+ drag_start_x = event_x;
+ drag_start_y = event_y;
+
+ drag_rect = new ArdourCanvas::SimpleRect(*group);
+ drag_rect->property_x1() = trackview.editor.frame_to_pixel(event_frame);
+
+ drag_rect->property_y1() = midi_stream_view()->note_to_y(midi_stream_view()->y_to_note(event_y));
+ drag_rect->property_x2() = event_x;
+ drag_rect->property_y2() = drag_rect->property_y1() + floor(midi_stream_view()->note_height());
+ drag_rect->property_outline_what() = 0xFF;
+ drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
+
+ drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
+
+ _mouse_state = AddDragging;
+ return true;
+ }
+
+ return false;
+
+ case SelectRectDragging: // Select drag motion
+ case AddDragging: // Add note drag motion
+ if (ev->motion.is_hint) {
+ int t_x;
+ int t_y;
+ GdkModifierType state;
+ gdk_window_get_pointer(ev->motion.window, &t_x, &t_y, &state);
+ event_x = t_x;
+ event_y = t_y;
+ }
+
+ if (_mouse_state == AddDragging)
+ event_x = trackview.editor.frame_to_pixel(event_frame);
+
+ if (drag_rect)
+ if (event_x > drag_start_x)
+ drag_rect->property_x2() = event_x;
+ else
+ drag_rect->property_x1() = event_x;
+
+ if (drag_rect && _mouse_state == SelectRectDragging) {
+ if (event_y > drag_start_y)
+ drag_rect->property_y2() = event_y;
+ else
+ drag_rect->property_y1() = event_y;
+
+ update_drag_selection(drag_start_x, event_x, drag_start_y, event_y);
+ }
+
+ last_x = event_x;
+ last_y = event_y;
+
+ case EraseTouchDragging:
+ case SelectTouchDragging:
+ return false;
+
+ default:
+ break;
+ }
+ break;
+
+ case GDK_BUTTON_RELEASE:
+ event_x = ev->motion.x;
+ event_y = ev->motion.y;
+ group->w2i(event_x, event_y);
+ group->ungrab(ev->button.time);
+ event_frame = trackview.editor.pixel_to_frame(event_x);
+
+ switch (_mouse_state) {
+ case Pressed: // Clicked
+ switch (trackview.editor.current_midi_edit_mode()) {
+ case MidiEditSelect:
+ clear_selection();
+ break;
+ case MidiEditPencil:
+ trackview.editor.snap_to(event_frame, -1);
+ event_x = trackview.editor.frame_to_pixel(event_frame);
+ create_note_at(event_x, event_y, _default_note_length);
+ default:
+ break;
+ }
+ _mouse_state = None;
+ return true;
+ case SelectRectDragging: // Select drag done
+ _mouse_state = None;
+ delete drag_rect;
+ drag_rect = NULL;
+ return true;
+ case AddDragging: // Add drag done
+ _mouse_state = None;
+ if (drag_rect->property_x2() > drag_rect->property_x1() + 2) {
+ create_note_at(drag_rect->property_x1(), drag_rect->property_y1(),
+ trackview.editor.pixel_to_frame(
+ drag_rect->property_x2() - drag_rect->property_x1()));
+ }
+
+ delete drag_rect;
+ drag_rect = NULL;
+ return true;
+ default:
+ break;
+ }
+
+ default:
+ break;
+ }
+
+ return false;
+}
+
+
+/** Add a note to the model, and the view, at a canvas (click) coordinate */
+void
+MidiRegionView::create_note_at(double x, double y, double dur)
+{
+ MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
+ MidiStreamView* const view = mtv->midi_view();
+
+ double note = midi_stream_view()->y_to_note(y);
+
+ assert(note >= 0.0);
+ assert(note <= 127.0);
+
+ const nframes_t stamp = trackview.editor.pixel_to_frame (x);
+ assert(stamp >= 0);
+ //assert(stamp <= _region->length());
+
+ //const Meter& m = trackview.session().tempo_map().meter_at(stamp);
+ //const Tempo& t = trackview.session().tempo_map().tempo_at(stamp);
+ //double dur = m.frames_per_bar(t, trackview.session().frame_rate()) / m.beats_per_bar();
+
+ // Add a 1 beat long note (for now)
+ const boost::shared_ptr<Note> new_note(new Note(0, stamp, dur, (uint8_t)note, 0x40));
+
+ view->update_bounds(new_note->note());
+
+ MidiModel::DeltaCommand* cmd = _model->new_delta_command("add note");
+ cmd->add(new_note);
+ _model->apply_command(cmd);
+
+ //add_note(new_note);
+}
+
+
+void
+MidiRegionView::clear_events()
+{
+ for (std::vector<CanvasMidiEvent*>::iterator i = _events.begin(); i != _events.end(); ++i)
+ delete *i;
+
+ MidiGhostRegion* gr;
+
+ for(vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
+ if((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
+ gr->clear_events();
+ }
+ }
+
+ _events.clear();