Right side dotted border on about:customizing can go missing on non-maximized windows

NEW
Unassigned

Status

()

Firefox
Toolbars and Customization
3 years ago
3 years ago

People

(Reporter: alex_mayorga, Unassigned)

Tracking

Trunk
Points:
---

Firefox Tracking Flags

(firefox32 affected, firefox33 affected, firefox34 affected)

Details

Attachments

(1 attachment)

(Reporter)

Description

3 years ago
Created attachment 8480148 [details]
Screen capture of bug

Steps:
- Go to about:customizing
- Restore the window
- Grab the left or right side of the window until the right border disappears

Result:
The right dotted border goes missing.

Expected result:
The right dotted border remains visible.

http://people.mozilla.org/~mmaslaney/firefox/Australis-OSX-Yosemite-Customize.png

Comment 1

3 years ago
I think this is a result of our using pseudoelements for the borders. I hadn't realized this effect existed. Matt, is there some way we could avoid this?
Blocks: 963576
Flags: needinfo?(MattN+bmo)

Comment 2

3 years ago
(reproducible on OS X beta as well, so I'm just going to assume this happens everywhere)
status-firefox32: --- → affected
status-firefox33: --- → affected
status-firefox34: --- → affected
OS: Windows 7 → All
Hardware: x86_64 → All
(In reply to :Gijs Kruitbosch from comment #1)
> I think this is a result of our using pseudoelements for the borders. I
> hadn't realized this effect existed. 

What "effect" are you referring to?

> Matt, is there some way we could avoid this?

Sorry, I don't really understand the bug (see above) and that was delaying my reply as context switching this in is time-intensive.

I suspect (but could be wrong that) the pseudo-element isn't needed for the nav-bar but was more useful for the outline that previously appeared on dragover/hover for other regions. Bug 963576 comment 16 talks about switching to pseudo-elements but I don't remember other details.
Flags: needinfo?(MattN+bmo)

Comment 4

3 years ago
(In reply to Matthew N. [:MattN] from comment #3)
> (In reply to :Gijs Kruitbosch from comment #1)
> > I think this is a result of our using pseudoelements for the borders. I
> > hadn't realized this effect existed. 
> 
> What "effect" are you referring to?

The fact that the end-side of the element's border can disappear when content overflows in the overflow:hidden customization-target.
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