- event_x = ev->motion.x;
- event_y = ev->motion.y;
-
- switch (_state) {
- case Pressed: // Drag begin
- if (_region.midi_view()->editor.current_midi_edit_mode() == Editing::MidiEditSelect
- && _region.mouse_state() != MidiRegionView::SelectTouchDragging
- && _region.mouse_state() != MidiRegionView::EraseTouchDragging) {
- _item->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
- Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
- _state = Dragging;
- _item->property_parent().get_value()->w2i(event_x, event_y);
- event_x = _region.snap_to_pixel(event_x);
- last_x = event_x;
- last_y = event_y;
- drag_delta_x = 0;
- drag_delta_note = 0;
- _region.note_selected(this, true);
- }
- return true;
-
- case Dragging: // 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;
- }
- _item->property_parent().get_value()->w2i(event_x, event_y);
-
- // Snap
- event_x = _region.snap_to_pixel(event_x);
-
- dx = event_x - last_x;
- dy = event_y - last_y;
-
- last_x = event_x;
-
- drag_delta_x += dx;
-
- // Snap to note rows
- if (abs(dy) < streamview->note_height()) {
- dy = 0.0;
- } else {
- int8_t this_delta_note;
- if (dy > 0) {
- this_delta_note = (int8_t)ceil(dy / streamview->note_height() / 2.0);
- } else {
- this_delta_note = (int8_t)floor(dy / streamview->note_height() / 2.0);
- }
- drag_delta_note -= this_delta_note;
- dy = streamview->note_height() * this_delta_note;
- last_y = last_y + dy;
- }
-
- _region.move_selection(dx, dy);