Audacity Bug Summary
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    Audacity 3.0.3 development began 19th April 2021

Audacity Bugzilla



Bug 240 - Time track selected by itself cannt be removed with Tracks>Remove Tracks
Time track selected by itself cannt be removed with Tracks>Remove Tracks
Status: RESOLVED FIXED
Product: Audacity
Classification: Unclassified
Component: User Interface
1.3.14 alpha
Per OS All
: P4 RepeatableAll
Assigned To: Default Assignee for New Bugs
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2010-10-09 08:09 UTC by Gale Andrews
Modified: 2019-08-01 06:45 UTC (History)
5 users (show)

See Also:
Steps To Reproduce:
1 Enable "Select all audio... if selection required" in Tracks Preferences (it is not enabled by default) 2 Add a Time Track 3 Tracks > Remove Tracks 4 A "Disallowed" message appears and the Time Track is not removed 5 Now add a Note Track (File > Import > MIDI) and/or an Audio Track or Label Track underneath Time Track 6 Select the Time Track only and Tracks > Remove Tracks 7 No tracks are removed. 8 But if a Time Track is included in the selection, the Time Track is correctly removed along with the other selected tracks. 9)If "Select all audio... if none selected" is disabled, Tracks > Remove Tracks is greyed out if only a Time Track is selected. If a Time Track is included in the selection, the Time Track is correctly removed along with the other selected tracks.
Release Note:
First Git SHA:
Group: TimeTrack
Workaround:
Closed: 2019-08-01 00:00:00
james.k.crook: Must‑Test‑All‑OS-
petersampsonaudacity: Test‑OK‑Win+
petersampsonaudacity: Test‑OK‑Mac+


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Description Gale Andrews 2010-10-09 08:09:19 UTC

    
Comment 1 Vaughan Johnson 2010-10-29 18:21:48 UTC
Original Summary for this bug: "Time Track selected on its own does not enable Tracks > Remove Tracks".

Adding in some additional, similar-level bugs from audacity-quality discussion "sync-lock (was Re: new beta?)". (The following blends a few messages for completeness.)


On 10/12/2010 7:56 AM, Gale Andrews wrote:
>On 10/12/2010 4:50 AM, Steve the Fiddle wrote:
> On Tue, Oct 12, 2010 at 3:47 AM, Vaughan Johnson
> <vaughan@audacityteam.org> wrote:
>> On 10/11/2010 7:06 PM, Steve the Fiddle wrote:
>>> ...
>>><snip>
>> If you move the Time Track below the Wave Track, have Sync-Lock on, then
>> selecting in the Time Track with the selection tool, it sync-lock
>> selects the Wave Track. Seems to me only the tools that affect the Time
>> Track should be enabled when over a Time Track.
 
And another annoyance with that is if you select in the Time Track 
underneath Sync-Locked audio tracks, it's easy to think you have an 
actionable selection, but as you haven't, selection-dependent menus will
be greyed (and if you have "Select all if none..." enabled in Preferences
and cut the "selection", all the audio is removed). 
  

> If Time track control points are never linked with Sync-lock, then +1
> but...
> as Envelope control points are now (Audacity 1.3.12 revision 10709)
> sync-locked, shouldn't control points on the Time track also be
> sync-locked?
> If  control points on the Time track can be sync-locked, then the
> Selection tool should work on the Time track.

Yes if Time Tracks can be Sync-Locked, IMO you should be able to cut a
region out of the Time Track by selecting in the audio tracks (also if you 
just select in the Time Track, you would cut the audio in Sync-Locked 
audio tracks and cut a piece out of the Time Track).

If selection in a Time Track works with Sync-Lock on I think it should do 
so with Sync-Lock off, if you select in the Time Track and the audio track.
   
But if we've decided not to Sync-Lock Time Tracks (as suggested by their 
lacking the Sync-Lock icon) then you shouldn't be able to see Sync-Lock 
selections in audio tracks above a Time Track, and the case for being able 
to select regions in Time Tracks would probably be weaker. If you selected
and cut only in a Time Track with Sync-Lock off, presumably this would have
no effect (or it could possibly remove any control point included in the
selection). 
 
I'd be +1 on leaving Time Tracks out of Sync-Lock but otherwise unchanged.
See if there is pressure after 2.0 for Time Tracks to work with Sync-Lock
in which case I think they must work with Selection Tool too. 

 
>> And why not remove "Move Track *" for Time Tracks, as they control all
>> other tracks, so should arguably always be at top?
> 
> or was the original idea that eventually there could be multiple time
> tracks. Then they only affect tracks that are below them, down as far
> as the next time track?

+1 (but would have to disabled for "Sort Tracks" as well). Some people 
assume you can move Time Tracks to the bottom to disable them. 


>> Also, if you try to create a second Time Track, you get an info alert
>> that "This version of Audacity only allows one time track for each
>> project window." Why "this version"? Did we ever do it differently? Are
>> there plans to do it differently? If not, "Only one time track is
>> allowed per project." is more to the point.

I can indeed recall suggestions that there could be per-track Time Tracks 
(it has a grand total of 1 vote on Wiki Feature Requests). I think that's the 
reason for "This version" in the message, and yes it was different in 1.2 
where you could only have one Time Track per instance of Audacity. 

Agreed "This Version" is redundant though.  



>> Or why not just disable Tracks > Add New > Time Track when one already
>> exists?

Same reason we don't grey File > Export Multiple when it's invalid I think.  
The message tells user they can open a new project window to have two 
different Time Tracks (for the many that don't RTFM).
 

 
> Why not disable Time tracks altogether?
> I doubt that anyone uses them as they have never worked very well in
> any version of Audacity.
> It would be a shame to loose Time tracks as (potentially) it's a
> really cool feature, but currently the best way to create a smooth
> sliding speed change is to use the "Sliding Time Scale/Pitch Shift"
> effect.

Michael has recently made bug fixes (not fully tested yet) so that tracks 
slowed down with Time Track are properly exported, and so that the 
warp goes in the correct direction:
http://bugzilla.audacityteam.org/show_bug.cgi?id=205
http://bugzilla.audacityteam.org/show_bug.cgi?id=206

Given those fixes and that Sliding Time Scale is slow and forces you to
modify the data, I feel Time Tracks are still worth keeping for 2.0, but 
should be left out of Sync-Lock unless we want to spend time to fully 
integrate them into Sync-Lock.
Comment 2 Peter Sampson 2019-05-13 08:44:35 UTC
For me the Summary of this bug is that a Time track selected by iself cannt be removed with Tracks>Remove Tracks.  If it is part of a selection with audio/label tracks than it will be deleted.

A single Time track can be deleted with the "X" at the top left corner of the track.
Comment 4 Peter Sampson 2019-07-18 07:32:29 UTC
Testing on W10 with audacity-2.3.3-alpha-296-13348841c038bdd7614ae9e401ad0a419f7fb44a

This now works correctly

a) at Step 3 the Time track is removed

b) at Step 7 the Time track, and only the Time track, is removed

c) At mult-step 9 the Time track is removed if and when it is selected - if it is not selected it is not removed
Comment 5 Peter Sampson 2019-07-25 07:55:54 UTC
(In reply to James Crook from comment #3)
Testing on macOS 10.14.5 with mac 2.3.3 alpha jc004 of 25Jul19

This now works correctly on Mac too.

a) at Step 3 the Time track is removed

b) at Step 7 the Time track, and only the Time track, is removed

c) At mult-step 9 the Time track is removed if and when it is selected - if it is not selected it is not removed