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Undo fails on multiple midi items Issue Tools
issueid=4925 09-11-2013 02:44 PM
Human being with feelings
Undo fails on multiple midi items
Editing two or more midi items in MIDI Editor and applying a semitone transpose action produces incorrect undo behavior

Reaper 4.52 on OS X 10.8.4

Fairly specific bug. Steps to reproduce:

1) Create two tracks
2) Create a MIDI item on both
3) Add C3 to both. Leave notes selected. (important)
4) Open MIDI Editor
5) Make both items editable
6) Lasso a selection of the notes
7) Tranpose up by semitone
8) Undo

Result: Undo works correctly the first time, but undos all the way back to step 5, e.g. undoing the editable setting. Repeating steps 5-8 at this point undos the editable setting again, but has left the other note at C#3.

This will not happen if the items at step 3 have been deselected.

Another variation is two leave out step 6 and repeat steps 7-8 twice. At this point the undo chain is "out of sync" in the other direction, with the other note two steps behind.
Issue Details
Issue Type Closed Issue
Project Deprecated REAPER issue tracker
Category Editing behavior
Status Fixed
Priority 7
Affected Version 4.52
Closed Version 5.211
Yes votes 5
No votes 0
Assigned Users (none)
Tags (none)

09-12-2013 03:57 AM
Super Moderator (no feelings)
I can reproduce that to some degree, but only when using CTRL+Up/Down to shift the notes. IOW doesn't happen when using mouse-drag to move the notes up/down.
09-12-2013 04:53 AM
Human being with feelings
09-12-2013 03:13 PM
Tod Tod is offline
Human being with feelings
This isn't happening here the same.

What happens here, when I transpose up 1 semitone both notes go up. However, when I undo, only the active note goes back to C3. Then when I undo again the other note goes back to C3 but that track then loses it's editable and visible status.

Although my outcome is a little different, I'd still say it's a little buggy.
03-19-2014 09:31 AM
Human being with feelings
Similar issue here, with a test project:
This petition for a change to Fixed was rejected
05-30-2016 04:19 PM
Human being with feelings

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