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On 2019-11-04T01:48:56+00:00 ALinuxUser wrote:

Created attachment 9106092
Screenshot_20191104_014746.png

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:70.0)
Gecko/20100101 Firefox/70.0

Steps to reproduce:

Set mail.tabs.drawInTitlebar to true (and it does not matter how one
does this).


Actual results:

Thunderbird will not open fully maximised; there is small gap between
the top of the screen and the top of the window.


Expected results:

When Thunderbird is set to open maximised - which it should do if (for
one thing?) it is maximised when it is closed - it should open (fully)
maximised.

Extra information is as follows.

I have experienced this bug constantly since the tabs-in-titlebar
feature arrived.

Theme - Thunderbird or OS - seems not to affect the problem.

I have a Hi-DPI system. Some details of my system are as follows.

OS: Linux Mint 19.2 Tina x86_64 
Host: 20KHCTO1WW ThinkPad X1 Carbon 6th 
Resolution: 2560x1440 @ 60.01Hz 
DE: Cinnamon 4.2.4 
WM: Mutter (Muffin) 
GPU: Intel UHD Graphics 620

I am surprised that no-one has reported this bug before. Perhaps they
have and the Bugzilla search function failed to find the relevant
report(s).

I attach a screenshot. The vertical gap at issue is small but noticeable
enough to irritate.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/24

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On 2019-11-04T10:08:31+00:00 Vseerror wrote:

Walt can you reproduce?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/25

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On 2019-11-05T00:17:15+00:00 Wls220spring wrote:

I can't reproduce using Thunderbird 60.9.0 on Linux Mint 19.2 or Ubuntu
18.04.3 LTS with the pref set to true, and the built-in Dark theme, or
Light and Default themes.

I also don't have the extensive customization the reporter has in the
screenshot.

I also don't have the resolution their monitor displays.

Maybe that is causing a problem?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/26

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On 2019-11-05T00:33:56+00:00 ALinuxUser wrote:

A test I should have tried before: I disabled all extensions (as well as
resetting system themes to defaults). The problem persisted. @WaltS48:
thank you for your testing; do you have HiDPI? I do (as I said above)
and I have Cinnamon set to scale the screen by a factor of 2.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/27

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On 2019-11-05T12:03:19+00:00 ALinuxUser wrote:

The problem may be otherwise than I supposed. For, when I disable HiDPI
- I mean: OS global scaling to deal with HiDPI - Thunderbird opens
unmaximised (taking up about a quarter of the screen area), whether or
not it was maximised when shut. So the gap - the gap I see when HiDPI
scaling is on - may result not from an imperfectly maximised window, but
from a window that the program is not even trying to maximise.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/28

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On 2019-11-05T12:06:10+00:00 ALinuxUser wrote:

. . But that problem - window not maximised at all upon open, when HiDPI
scaling is disabled - *only* happens when 'draw tabs in titlebar' is
enabled. So here we get closer to the root of the problem, I imagine.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/29

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On 2019-11-05T12:09:08+00:00 Vseerror wrote:

thanks for digging to get all the detail

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/30

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On 2019-11-05T15:31:16+00:00 Wls220spring wrote:

(In reply to signupemail from comment #3)
> A test I should have tried before: I disabled all extensions (as well as 
> resetting system themes to defaults). The problem persisted. @WaltS48: thank 
> you for your testing; do you have HiDPI? I do (as I said above) and I have 
> Cinnamon set to scale the screen by a factor of 2.

No, I don't have HiDPI.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/31

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On 2019-11-05T17:56:48+00:00 ALinuxUser wrote:

[walts48 wrote:]

> No, I don't have HiDPI.

@wsmwk

Anyone in a position to try to reproduce the problem, please?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/32

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On 2019-11-05T18:28:15+00:00 W-alessandro wrote:

I'll take a look at this in a bit

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/33

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On 2019-11-05T23:20:35+00:00 W-alessandro wrote:

I tested this with the current settings:
* Linux elementary OS, based on Ubuntu 18.04.2, GTK 3.22.30
* mail.tabs.drawInTitlebar set to `TRUE`
* HiDPI monitor at 3840x2160 with scaling factor `DISABLED`

**Thunderbird 72.0a1**: Closing and reopening maximized works with all the 
themes. ✔️
**Thunderbird 68.1.1**: Closing and reopening maximized works with all the 
themes. ✔️
**Thunderbird 60.9.0**: Closing and reopening maximized works with all the 
themes. ✔️

Which version of GTK are you running?
I wonder if that might be related. Does it happen with Firefox as well?

I know Magnus runs Ubuntu, but I don't know if his version of GTK is
more up to date.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/34

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On 2019-11-05T23:33:09+00:00 ALinuxUser wrote:

**GTK**: I am unsure. Does the following help?

    $ dpkg -l libgtk* | grep -e '^i' | grep -e 'libgtk-*[0-9]'
    ii  libgtk-3-0:amd64             3.22.30-1ubuntu4  amd64        GTK+ 
graphical user interface library
    ii  libgtk-3-bin                 3.22.30-1ubuntu4  amd64        programs 
for the GTK+ graphical user interface library
    ii  libgtk-3-common              3.22.30-1ubuntu4  all          common 
files for the GTK+ graphical user interface library
    ii  libgtk2-gladexml-perl        1.007-2build4     amd64        Perl 
interface to use user interfaces created with glade-2
    ii  libgtk2-perl                 2:1.24992-1build1 amd64        Perl 
interface to the 2.x series of the Gimp Toolkit library
    ii  libgtk2.0-0:amd64            2.24.32-1ubuntu1  amd64        GTK+ 
graphical user interface library
    ii  libgtk2.0-0:i386             2.24.32-1ubuntu1  i386         GTK+ 
graphical user interface library
    ii  libgtk2.0-bin                2.24.32-1ubuntu1  amd64        programs 
for the GTK+ graphical user interface library
    ii  libgtk2.0-cil                2.12.40-2         amd64        CLI binding 
for the GTK+ toolkit 2.12
    ii  libgtk2.0-common             2.24.32-1ubuntu1  all          common 
files for the GTK+ graphical user interface library
    ii  libgtk3-perl                 0.032-1           all          Perl 
bindings for the GTK+ graphical user interface library


**Firefox**: I seem to remember that, a year or two ago, it used to happen with 
Firefox; but, after some time (some months?) the problem disappeared. I do not 
have it now.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/35

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On 2019-11-17T12:02:10+00:00 Mkmelin+mozilla wrote:

I don't see this.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1265898/comments/39


** Changed in: thunderbird
       Status: Unknown => New

** Changed in: thunderbird
   Importance: Unknown => Low

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Title:
  thunderbird doesn't remember maximized window state in Ubuntu Gnome

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