Animation: Vertically locking the NLA so it doesn't scroll to infinity #109473

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Nate Rupsis merged 10 commits from NLA-clamp-scroll into main 2023-07-19 16:12:22 +02:00
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Jonathan Lampel mentioned in the 3.6 feature release video that the dope sheet / timeline now vertically lock, preventing accidentally scrolling to infinity. He hopes this change will make it to the NLA. This is that change.


Applying the Clamp V2D from 104516 (thanks @ChrisLend) to the NLA.

Before:

After:

Jonathan Lampel mentioned in the [3.6 feature release](https://www.youtube.com/watch?v=0-LiGWgKRgk&t=615s) video that the dope sheet / timeline now vertically lock, preventing accidentally scrolling to infinity. He hopes this change will make it to the NLA. This is _that_ change. --- Applying the Clamp V2D from [104516](https://projects.blender.org/blender/blender/pulls/104516) (thanks @ChrisLend) to the NLA. Before: <video controls src="https://projects.blender.org/attachments/ce0a2f36-38fe-4937-bce4-b5507f84436e"></video> After: <video controls src="https://projects.blender.org/attachments/09faa50c-66cb-4431-b206-2dfc7964facc"></video>
Nate Rupsis added the
Module
Animation & Rigging
label 2023-06-28 21:35:47 +02:00
Nate Rupsis added 1 commit 2023-06-28 21:35:55 +02:00
Nate Rupsis requested review from Sybren A. Stüvel 2023-06-28 21:36:48 +02:00
Nate Rupsis requested review from Christoph Lendenfeld 2023-06-28 21:36:59 +02:00
Nate Rupsis requested review from Brad Clark 2023-06-28 21:37:07 +02:00
Nate Rupsis added this to the Animation & Rigging project 2023-06-28 21:37:22 +02:00
Brad Clark approved these changes 2023-06-28 23:19:30 +02:00
Brad Clark left a comment
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Approve, just tried it for the other editors and yes, need this in the NLA!

Approve, just tried it for the other editors and yes, need this in the NLA!
Nate Rupsis reviewed 2023-06-29 01:37:34 +02:00
@ -153,0 +163,4 @@
v2d->cur.ymin = v2d->tot.ymin;
v2d->cur.ymax = v2d->cur.ymin + cur_height_y;
}
}
Author
Member

Since this functionality is duplicated, it should probably be moved into it's own function...

@dr.sybren / @Harley Do you guys agree? and/or do you know where the best location for said function should live?

Since this functionality is duplicated, it should _probably_ be moved into it's own function... @dr.sybren / @Harley Do you guys agree? and/or do you know where the best location for said function should live?
Member

@nrupsis - -do you know where the best location for said function should live?

Without looking too deeply I'd guess that this would be declared in UI_view2d.h, defined in view2d.cc, and be something like...

void UI_view2d_curRect_clamp_y(struct View2D *v2d);

And yes we have some camelCase in there for some reason.

> @nrupsis - -do you know where the best location for said function should live? Without looking too deeply I'd guess that this would be declared in `UI_view2d.h`, defined in `view2d.cc`, and be something _like_... void UI_view2d_curRect_clamp_y(struct View2D *v2d); And yes we have some camelCase in there _for some reason_.
Christoph Lendenfeld approved these changes 2023-07-07 16:41:09 +02:00
Christoph Lendenfeld left a comment
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functionality looks good. I'll let you decide where to move the logic of clamping the v2d. Harleys suggestions sounds reasonable though

functionality looks good. I'll let you decide where to move the logic of clamping the v2d. Harleys suggestions sounds reasonable though
Nate Rupsis requested review from Harley Acheson 2023-07-12 20:52:21 +02:00
Nate Rupsis added 5 commits 2023-07-12 20:55:33 +02:00
Christoph Lendenfeld reviewed 2023-07-13 08:46:26 +02:00
@ -849,1 +849,4 @@
void UI_view2d_curRect_clamp_y(struct View2D *v2d)
{
/* V2D_KEEPTOT_STRICT cannot be used to clamp scrolling

I think now that the function has moved the comment doesn't make sense here anymore. Especially because you also have it in nla_main_region_view2d_changed

I think now that the function has moved the comment doesn't make sense here anymore. Especially because you also have it in `nla_main_region_view2d_changed`
Nate Rupsis added 2 commits 2023-07-13 13:38:13 +02:00
Harley Acheson reviewed 2023-07-19 03:06:10 +02:00
@ -174,0 +174,4 @@
/**
* Clamp view2d area to what's visible, preventing
* scrolling vertically to infinity.
*/
Member

Both comment lines above end with extra trailing spaces.

Both comment lines above end with extra trailing spaces.
Harley Acheson approved these changes 2023-07-19 03:39:15 +02:00
Harley Acheson left a comment
Member

Works well and make sense. Minor formatting issues noted.

Works well and make sense. Minor formatting issues noted.
Nate Rupsis added 2 commits 2023-07-19 15:56:10 +02:00
Nate Rupsis merged commit 7146371964 into main 2023-07-19 16:12:22 +02:00
Nate Rupsis deleted branch NLA-clamp-scroll 2023-07-19 16:12:23 +02:00
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Reference: blender/blender#109473
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