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On 2018-08-12T14:30:32+00:00 Alexander Browne wrote:
Testing with Ubuntu MATE 18.04(.1) using the default wm/compositor
Marco. I've tried Nightly (downloaded from Mozilla), Firefox 61 (the
version in the Ubuntu repo), and back to 60 (downloaded from Mozilla) (I
think the first version with CSD?).
- With Customize → Title Bar unchecked to enable CSD, make sure Firefox is
maximized, then close it.
- Reopen Firefox, and then unmaximize the window. An extra titlebar and border
now appears with a transparent border around Firefox window, as show in the
first screenshot.
- When you maximize the window, the border goes away, but the extra titlebar
remains, as shown in the second screenshot.
- If you close Firefox when it is *not* maximized and reopen it, then it will
behave correctly even when maximizing and maximizing — until you close it again
maximized and reopen it.
It does not happen every time, i.e. sometimes you can close Firefox
maximized and it will behave correctly, but it occurs more often than
not. I've tried it on several computers, trying to find a pattern, but I
can't find one... It does seem that it happens more often on a computer
with HiDPI, but I've only tried one computer like that.
The strangest part is that it doesn't occur at all on my personal
computer's main user account, even if I create a new Firefox profile. I
mostly use Nightly, so when I first saw it on other computers, I thought
it was something that had been fixed between the release version and the
Nightly version I was using ;-) But it was reported on the Ubuntu MATE
forum, and now I've tried it more and found that it does occur when I
create a new user account on my computer, and I've seen it on every
other Ubuntu MATE installation I've tried, even with Nightly. (I'm have
no idea what setting/tweak I have in my user account that could be
affecting it!)
I'm happy to help testing if you let me know how. I can also report it
to MATE/Marco if you think that's where the issue is. Thanks for all the
work on Firefox CSD!
Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1802039/comments/0
On 2018-08-12T14:32:31+00:00 Alexander Browne wrote:
Created attachment 8999434
1 Window after unmaximizing
Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1802039/comments/1
On 2018-08-12T14:33:17+00:00 Alexander Browne wrote:
Created attachment 8999435
2 Window after re-maximizing
Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1802039/comments/2
On 2018-09-10T10:20:02+00:00 mkurz wrote:
I experience the same problem with gnome-flashback, see my comment here:
https://bugzilla.mozilla.org/show_bug.cgi?id=1408360#c32
Maybe this is somehow related to Bug 1452520?
Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1802039/comments/3
On 2019-02-06T13:06:56+00:00 Stransky wrote:
Can you try latest nightly please? Thanks.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1802039/comments/7
On 2019-02-06T17:22:21+00:00 Alexander Browne wrote:
I just tried Nightly and I do still see the issue. I tried Ubuntu MATE
18.10 and a daily build of Disco (18.04).
Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1802039/comments/8
** Changed in: firefox
Status: Unknown => New
** Changed in: firefox
Importance: Unknown => Medium
** Bug watch added: Mozilla Bugzilla #1408360
https://bugzilla.mozilla.org/show_bug.cgi?id=1408360
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https://bugs.launchpad.net/bugs/1802039
Title:
Firefox without titlebar has visual glitches when
maximizing/unmaximizing
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