Move note creation code into a Drag; fix snapping of note
starts when drag-created (part of #4505). git-svn-id: svn://localhost/ardour2/branches/3.0@10972 d708f5d6-7413-0410-9779-e7cbd77b26cf
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e3b4fa678d
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ab4e7cf472
@ -4267,3 +4267,93 @@ EditorRubberbandSelectDrag::deselect_things ()
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_editor->selection->clear_points ();
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_editor->selection->clear_lines ();
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}
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NoteCreateDrag::NoteCreateDrag (Editor* e, ArdourCanvas::Item* i, MidiRegionView* rv)
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: Drag (e, i)
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, _region_view (rv)
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, _drag_rect (0)
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{
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}
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NoteCreateDrag::~NoteCreateDrag ()
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{
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delete _drag_rect;
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}
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void
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NoteCreateDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
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{
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_drag_rect = new ArdourCanvas::SimpleRect (*_region_view->get_canvas_group ());
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framepos_t pf = _drags->current_pointer_frame ();
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bool success;
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Evoral::MusicalTime grid_beats = _editor->get_grid_type_as_beats (success, pf);
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if (!success) {
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grid_beats = 1;
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}
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framecnt_t grid_frames = _region_view->region_beats_to_region_frames (grid_beats);
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/* Hack so that we always snap to the note that we are over, instead of snapping
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to the next one if we're more than halfway through the one we're over.
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*/
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if (_editor->snap_mode() == SnapNormal && pf > grid_frames / 2) {
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pf -= grid_frames / 2;
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}
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_note[0] = adjusted_frame (pf, event) - _region_view->region()->position ();
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MidiStreamView* sv = _region_view->midi_stream_view ();
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double const x = _editor->frame_to_pixel (_note[0]);
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double const y = sv->note_to_y (sv->y_to_note (y_to_region (event->button.y)));
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_drag_rect->property_x1() = x;
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_drag_rect->property_y1() = y;
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_drag_rect->property_x2() = x;
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_drag_rect->property_y2() = y + floor (_region_view->midi_stream_view()->note_height ());
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_drag_rect->property_outline_what() = 0xff;
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_drag_rect->property_outline_color_rgba() = 0xffffff99;
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_drag_rect->property_fill_color_rgba() = 0xffffff66;
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}
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void
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NoteCreateDrag::motion (GdkEvent* event, bool)
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{
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_note[1] = adjusted_current_frame (event) - _region_view->region()->position ();
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double const x = _editor->frame_to_pixel (_note[1]);
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if (_note[1] > _note[0]) {
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_drag_rect->property_x2() = x;
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} else {
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_drag_rect->property_x1() = x;
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}
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}
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void
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NoteCreateDrag::finished (GdkEvent* event, bool)
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{
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if (_drag_rect->property_x2() < _drag_rect->property_x1() + 2) {
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abort ();
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}
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framepos_t const start = min (_note[0], _note[1]);
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framecnt_t const length = abs (_note[0] - _note[1]);
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_region_view->create_note_at (start, _drag_rect->property_y1(), _region_view->region_frames_to_region_beats (length), true, false);
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}
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double
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NoteCreateDrag::y_to_region (double y) const
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{
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double x = 0;
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_region_view->get_canvas_group()->w2i (x, y);
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return y;
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}
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void
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NoteCreateDrag::aborted (bool)
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{
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}
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@ -458,6 +458,25 @@ class NoteDrag : public Drag
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double _note_height;
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};
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class NoteCreateDrag : public Drag
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{
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public:
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NoteCreateDrag (Editor *, ArdourCanvas::Item *, MidiRegionView *);
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~NoteCreateDrag ();
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void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
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void motion (GdkEvent *, bool);
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void finished (GdkEvent *, bool);
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void aborted (bool);
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private:
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double y_to_region (double) const;
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MidiRegionView* _region_view;
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ArdourCanvas::SimpleRect* _drag_rect;
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framepos_t _note[2];
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};
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/** Drag to move MIDI patch changes */
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class PatchChangeDrag : public Drag
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{
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@ -97,7 +97,6 @@ MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &
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, _note_group(new ArdourCanvas::Group(*group))
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, _note_diff_command (0)
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, _ghost_note(0)
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, _drag_rect (0)
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, _step_edit_cursor (0)
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, _step_edit_cursor_width (1.0)
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, _step_edit_cursor_position (0.0)
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@ -134,7 +133,6 @@ MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &
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, _note_group(new ArdourCanvas::Group(*parent))
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, _note_diff_command (0)
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, _ghost_note(0)
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, _drag_rect (0)
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, _step_edit_cursor (0)
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, _step_edit_cursor_width (1.0)
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, _step_edit_cursor_position (0.0)
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@ -179,7 +177,6 @@ MidiRegionView::MidiRegionView (const MidiRegionView& other)
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, _note_group(new ArdourCanvas::Group(*get_canvas_group()))
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, _note_diff_command (0)
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, _ghost_note(0)
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, _drag_rect (0)
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, _step_edit_cursor (0)
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, _step_edit_cursor_width (1.0)
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, _step_edit_cursor_position (0.0)
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@ -214,7 +211,6 @@ MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<M
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, _note_group(new ArdourCanvas::Group(*get_canvas_group()))
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, _note_diff_command (0)
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, _ghost_note(0)
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, _drag_rect (0)
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, _step_edit_cursor (0)
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, _step_edit_cursor_width (1.0)
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, _step_edit_cursor_position (0.0)
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@ -382,7 +378,7 @@ MidiRegionView::enter_notify (GdkEventCrossing* ev)
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_mouse_mode_connection, invalidator (*this), ui_bind (&MidiRegionView::mouse_mode_changed, this), gui_context ()
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);
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if (trackview.editor().current_mouse_mode() == MouseRange) {
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if (trackview.editor().current_mouse_mode() == MouseRange && _mouse_state != AddDragging) {
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create_ghost_note (ev->x, ev->y);
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}
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@ -432,11 +428,6 @@ MidiRegionView::button_press (GdkEventButton* ev)
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return false;
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}
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_last_x = ev->x;
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_last_y = ev->y;
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group->w2i (_last_x, _last_y);
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if (_mouse_state != SelectTouchDragging) {
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_pressed_button = ev->button;
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@ -491,7 +482,7 @@ MidiRegionView::button_release (GdkEventButton* ev)
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beats = 1;
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}
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create_note_at (event_x, event_y, beats, true, true);
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create_note_at (editor.pixel_to_frame (event_x), event_y, beats, true, true);
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}
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break;
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@ -505,7 +496,7 @@ MidiRegionView::button_release (GdkEventButton* ev)
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beats = 1;
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}
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create_note_at (event_x, event_y, beats, true, true);
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create_note_at (editor.pixel_to_frame (event_x), event_y, beats, true, true);
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break;
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}
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@ -516,30 +507,13 @@ MidiRegionView::button_release (GdkEventButton* ev)
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_mouse_state = None;
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break;
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case SelectRectDragging: // Select drag done
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case SelectRectDragging:
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case AddDragging:
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editor.drags()->end_grab ((GdkEvent *) ev);
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_mouse_state = None;
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create_ghost_note (ev->x, ev->y);
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break;
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case AddDragging: // Add drag done
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_mouse_state = None;
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if (Keyboard::is_insert_note_event(ev) || trackview.editor().current_mouse_mode() == MouseRange) {
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if (_drag_rect->property_x2() > _drag_rect->property_x1() + 2) {
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const double x = _drag_rect->property_x1();
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const double length = trackview.editor().pixel_to_frame (_drag_rect->property_x2() - _drag_rect->property_x1());
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create_note_at (x, _drag_rect->property_y1(), region_frames_to_region_beats(length), true, false);
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}
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}
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delete _drag_rect;
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_drag_rect = 0;
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create_ghost_note (ev->x, ev->y);
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default:
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break;
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@ -551,18 +525,7 @@ MidiRegionView::button_release (GdkEventButton* ev)
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bool
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MidiRegionView::motion (GdkEventMotion* ev)
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{
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double event_x, event_y;
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framepos_t event_frame = 0;
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event_x = ev->x;
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event_y = ev->y;
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group->w2i(event_x, event_y);
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PublicEditor& editor = trackview.editor ();
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// convert event_x to global frame
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framecnt_t grid_frames;
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event_frame = snap_frame_to_grid_underneath (editor.pixel_to_frame (event_x), grid_frames);
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if (!_ghost_note && editor.current_mouse_mode() != MouseRange
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&& Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())
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@ -575,8 +538,7 @@ MidiRegionView::motion (GdkEventMotion* ev)
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update_ghost_note (ev->x, ev->y);
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} else if (_ghost_note && editor.current_mouse_mode() != MouseRange) {
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delete _ghost_note;
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_ghost_note = 0;
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remove_ghost_note ();
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editor.verbose_cursor()->hide ();
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} else if (_ghost_note && editor.current_mouse_mode() == MouseRange) {
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@ -590,12 +552,7 @@ MidiRegionView::motion (GdkEventMotion* ev)
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}
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switch (_mouse_state) {
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case Pressed: // Maybe start a drag, if we've moved a bit
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if (fabs (event_x - _last_x) < 1 && fabs (event_y - _last_y) < 1) {
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/* no appreciable movement since the button was pressed */
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return false;
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}
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case Pressed:
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if (_pressed_button == 1 && editor.current_mouse_mode() == MouseObject
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&& !Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())) {
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@ -605,33 +562,11 @@ MidiRegionView::motion (GdkEventMotion* ev)
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return true;
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} else if (editor.internal_editing()) {
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// Add note drag start
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group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
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Gdk::Cursor(Gdk::FLEUR), ev->time);
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_last_x = event_x;
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_last_y = event_y;
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_drag_start_x = event_x;
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_drag_start_y = event_y;
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_drag_rect = new ArdourCanvas::SimpleRect(*group);
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_drag_rect->property_x1() = editor.frame_to_pixel(event_frame);
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_drag_rect->property_y1() = midi_stream_view()->note_to_y(
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midi_stream_view()->y_to_note(event_y));
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_drag_rect->property_x2() = editor.frame_to_pixel(event_frame);
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_drag_rect->property_y2() = _drag_rect->property_y1()
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+ floor(midi_stream_view()->note_height());
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_drag_rect->property_outline_what() = 0xFF;
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_drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
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_drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
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editor.drags()->set (new NoteCreateDrag (dynamic_cast<Editor *> (&editor), group, this), (GdkEvent *) ev);
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_mouse_state = AddDragging;
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delete _ghost_note;
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_ghost_note = 0;
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remove_ghost_note ();
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editor.verbose_cursor()->hide ();
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@ -641,47 +576,10 @@ MidiRegionView::motion (GdkEventMotion* ev)
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return false;
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case SelectRectDragging:
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case AddDragging:
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editor.drags()->motion_handler ((GdkEvent *) ev, false);
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break;
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case AddDragging: // Add note drag motion
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if (ev->is_hint) {
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int t_x;
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int t_y;
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GdkModifierType state;
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gdk_window_get_pointer(ev->window, &t_x, &t_y, &state);
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event_x = t_x;
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event_y = t_y;
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}
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if (_mouse_state == AddDragging) {
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event_x = editor.frame_to_pixel(event_frame);
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if (editor.snap_mode() == SnapNormal) {
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/* event_frame will have been snapped to the start of the note we are under;
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it's more intuitive if we use the end of that note here
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*/
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event_x = editor.frame_to_pixel (event_frame + grid_frames);
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} else {
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event_x = editor.frame_to_pixel (event_frame);
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}
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}
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if (_drag_rect) {
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if (event_x > _drag_start_x) {
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_drag_rect->property_x2() = event_x;
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}
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else {
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_drag_rect->property_x1() = event_x;
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}
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}
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_last_x = event_x;
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_last_y = event_y;
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case SelectTouchDragging:
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return false;
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@ -878,14 +776,14 @@ MidiRegionView::show_list_editor ()
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}
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/** Add a note to the model, and the view, at a canvas (click) coordinate.
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* \param x horizontal position in pixels
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* \param t time in frames relative to the position of the region
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* \param y vertical position in pixels
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* \param length duration of the note in beats, which will be snapped to the grid
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* \param sh true to make the note 1 frame shorter than the snapped version of \a length.
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* \param snap_x true to snap x to the grid, otherwise false.
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*/
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void
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MidiRegionView::create_note_at (double x, double y, double length, bool sh, bool snap_x)
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MidiRegionView::create_note_at (framepos_t t, double y, double length, bool sh, bool snap_x)
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{
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MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
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MidiStreamView* const view = mtv->midi_view();
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@ -896,16 +794,16 @@ MidiRegionView::create_note_at (double x, double y, double length, bool sh, bool
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assert(note <= 127.0);
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// Start of note in frames relative to region start
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framepos_t start_frames = trackview.editor().pixel_to_frame (x);
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if (snap_x) {
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framecnt_t grid_frames;
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start_frames = snap_frame_to_grid_underneath (start_frames, grid_frames);
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t = snap_frame_to_grid_underneath (t, grid_frames);
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}
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assert(start_frames >= 0);
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assert (t >= 0);
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// Snap length
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length = region_frames_to_region_beats(
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snap_frame_to_frame (start_frames + region_beats_to_region_frames(length)) - start_frames);
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snap_frame_to_frame (t + region_beats_to_region_frames(length)) - t
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);
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assert (length != 0);
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@ -914,7 +812,7 @@ MidiRegionView::create_note_at (double x, double y, double length, bool sh, bool
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}
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const boost::shared_ptr<NoteType> new_note (new NoteType (mtv->get_channel_for_add (),
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region_frames_to_region_beats(start_frames + _region->start()), length,
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region_frames_to_region_beats(t + _region->start()), length,
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(uint8_t)note, 0x40));
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if (_model->contains (new_note)) {
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@ -3446,8 +3344,7 @@ MidiRegionView::update_ghost_note (double x, double y)
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void
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MidiRegionView::create_ghost_note (double x, double y)
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{
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delete _ghost_note;
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_ghost_note = 0;
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remove_ghost_note ();
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boost::shared_ptr<NoteType> g (new NoteType);
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_ghost_note = new NoEventCanvasNote (*this, *_note_group, g);
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@ -290,6 +290,8 @@ public:
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void trim_front_starting ();
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void trim_front_ending ();
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void create_note_at (framepos_t, double, double, bool, bool);
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protected:
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/** Allows derived types to specify their visibility requirements
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* to the TimeAxisViewItem parent class.
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@ -321,8 +323,6 @@ private:
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friend class EditNoteDialog;
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void create_note_at(double x, double y, double length, bool, bool);
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/** Play the NoteOn event of the given note immediately
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* and schedule the playback of the corresponding NoteOff event.
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*/
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@ -385,11 +385,6 @@ private:
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ArdourCanvas::CanvasNote* _ghost_note;
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double _last_ghost_x;
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double _last_ghost_y;
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double _drag_start_x;
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double _drag_start_y;
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double _last_x;
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double _last_y;
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ArdourCanvas::SimpleRect* _drag_rect;
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ArdourCanvas::SimpleRect* _step_edit_cursor;
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Evoral::MusicalTime _step_edit_cursor_width;
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Evoral::MusicalTime _step_edit_cursor_position;
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