VSE, marker area is invisibly blocking the strips #57976
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Reference: blender/blender#57976
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System Information
Xbuntu / AMD
Blender Version
e85aa8b
Short description of error
When working in the VSE, if you create a marker there's an invisible "marker area" that's created a the bottom but you can still see the strips underneath even though you can't interact with them in this area. The marker area would really need to be its own thing and push the rest of the VSE upwards so those two areas are not in visual conflict.
Note: Pablo (Vazques) asked me to report this as a bug.
Exact steps for others to reproduce the error
New file
Go to the VSE
Add a strip on layer 0 (bottom layer)
Create a marker
Try to interact with the strip with the cursor at the bottom of the VSE
Added subscriber: @Hjalti
#90099 was marked as duplicate of this issue
#82345 was marked as duplicate of this issue
#73772 was marked as duplicate of this issue
#65061 was marked as duplicate of this issue
Added subscriber: @lichtwerk
Wouldnt it be enough to restrict the horizontal clickable "hotspot" to some extend around the actual marker position? (as of now it seems to total region width is occupied for that -- indicated by a slight transparent overlay [which goes away if you have no markers at all]).
(Just saying, because pushing the whole area upwards would mean wasting quite some vertical space, no?)
Added subscriber: @pablovazquez
Added subscriber: @brecht
Markers were designed to work this way, overlapping the contents of the editor also in the dopesheet for example.
This could be improved, if there is a design for it perhaps it can be added to the UI paper cuts. But I'm not sure I would consider this a bug.
Added subscriber: @iss
Problem is, that blocked area is absolute, regardless of timeline zoom and it can block lower channels., as you can not pan below zero.
Simplest thing would be turn markers upside down. so they are selected on the upper part of timeline.
Should I write patch for this?
Added subscriber: @EitanSomething
I am unable to reproduce can you provide a simple .blend file.
The issue is demonstrated in this image
Putting the marker on the top won't help because it would then block the sequences on the top.
I try to get this fixed as quickly as possible in order to get it into 2.82
Added subscriber: @WilliamReynish
You can pan, to put upper sequences lower in view.
It would be good idea to discuss this with @WilliamReynish first. I will seek approval of UI team anyway.
If not changing placement you can offset drawing bottom channel or make markers area auto-hide.
I think the best solution is to offset the strips so the bottom ones aren't always covered. Or, make it possible to scroll past the bottom layer.
Added subscriber: @JulianEisel
I don't think we should move the marker region to the top. It would make things inconsistent, but it's also a workaround exposed as feature.
To fix this, we should progressively push in a margin at the bottom, so that the strip always stays in view. Like demonstrated here (the video player controls overlap the important bit, move the mouse away to make them disappear):
recording.mp4
This is the hack I used to get this behavior:
P1215: Proof of concept hack for #57976
Note however that this only covers drawing. Input handling (e.g. selecting strips) does not get the offset applied and is therefore notably off.
What we'd have to do is consistently apply an offset, wherever coordinates are accessed - in both, drawing and handling. I'd suggest adding a runtime struct to
SpaceSeq
so that the offset can be accessed likeSpaceSeq.runtime.offset_bottom
. It would be set/updated on drawing.Not the easiest task, although most of it is probably "monkey work".
For reference: I did something similar for the file browser file list header (the bar saying "Name", "Date Modified" and "Size"): It is part of the main region, but the file list and the vertical scrollbar get offset to make space for it. See
SpaceFile.layout.offset_top
.Ideally these offsets would be supported by
View2D
, but that is another can of worms.I agree with adding offset in bottom part.
Thanks for suggestion to add offset in sseq.
Added subscribers: @WayneDixon, @JacquesLucke
Added subscriber: @tintwotin
Added subscriber: @ToxicTuba
Added subscriber: @slinkeepie
This issue was referenced by
17769489d9
Changed status from 'Confirmed' to: 'Resolved'
Added subscriber: @wanna0077