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rework NoteDrag::total_dy() to correctly clamp y to within the required range

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Paul Davis
2025-07-01 17:29:46 -06:00
parent 846253533f
commit 6a4f4e4710
1 changed files with 5 additions and 8 deletions
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13
gtk2_ardour/editor_drag.cc
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@@ -6232,15 +6232,12 @@ NoteDrag::total_dy () const
return 0;
}
double const y = _view->midi_context().y_position ();
/* new current note */
uint8_t n = _view->y_to_note (current_pointer_y () - y);
/* clamp */
MidiViewBackground& mvb = _view->midi_context ();
n = max (mvb.lowest_note (), n);
n = min (mvb.highest_note (), n);
/* clamp y to the view-relative vertical boundaries of the view */
int o = _view->midi_context().y_position ();
int y = std::max (0, (std::min ((int) current_pointer_y(), o + _view->midi_context().contents_height() - _view->note_height())));
/* and work out delta */
return n - _view->y_to_note (grab_y () - y);
return _view->y_to_note (y - o) - _view->y_to_note (grab_y () - o);
}
void