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Disallow midi-note duration changes beyond region boundaries

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Fixes crash/assert with negative Beats.

TODO discuss alternative:
 automatically extend/trim region (if possible) or
 accept but hide notes that are out of bounds. That would need
 some solution for ghost notes which still can have negative Beats
 while dragging.
This commit is contained in:
Robin Gareus 2014-10-21 15:12:13 +02:00
parent 4cde08cdb8
commit f369208334
1 changed files with 17 additions and 0 deletions
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17
gtk2_ardour/midi_region_view.cc
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@ -2601,6 +2601,15 @@ MidiRegionView::update_resizing (NoteBase* primary, bool at_front, double delta_
}
}
if (current_x < 0) {
// This works even with snapping because RegionView::snap_frame_to_frame()
// snaps forward if the snapped sample is before the beginning of the region
current_x = 0;
}
if (current_x > trackview.editor().sample_to_pixel(_region->length())) {
current_x = trackview.editor().sample_to_pixel(_region->length());
}
if (at_front) {
resize_rect->set_x0 (snap_to_pixel(current_x));
resize_rect->set_x1 (canvas_note->x1());
@ -2675,6 +2684,13 @@ MidiRegionView::commit_resizing (NoteBase* primary, bool at_front, double delta_
}
}
if (current_x < 0) {
current_x = 0;
}
if (current_x > trackview.editor().sample_to_pixel(_region->length())) {
current_x = trackview.editor().sample_to_pixel(_region->length());
}
/* Convert that to a frame within the source */
current_x = snap_pixel_to_sample (current_x) + _region->start ();
@ -3525,6 +3541,7 @@ MidiRegionView::create_ghost_note (double x, double y)
_ghost_note = new Note (*this, _note_group, g);
_ghost_note->set_ignore_events (true);
_ghost_note->set_outline_color (0x000000aa);
if (x < 0) { x = 0; }
update_ghost_note (x, y);
_ghost_note->show ();