[Libreoffice-bugs] [Bug 139200] A large part of the window may appear off-screen if the monitor/screen config has changed

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=139200

--- Comment #2 from Vincent Lefevre <vincent-docf at vinc17.net> ---
Currently I can't test to reproduce with a change of screen definition, but I
believe that the following steps will trigger the issue:

1. On a machine with a high-definition screen connected, run "libreoffice".
2. Maximize the window (to have a better chance to reproduce the issue).
3. Quit LibreOffice.
4. Log out and switch off the machine.
5. Connect a screen with a lower definition (for a laptop, it could just be the
laptop screen, with no external monitor attached).
6. Boot and log in.
7. Run "libreoffice".

I suppose that LibreOffice doesn't detect the change of screen definition and
uses the same window size, which doesn't fit in the screen after the change of
monitor.

Actually, I could do a test by artificially resizing a window to make it larger
than the current screen definition, but I don't know whether this test is
significant or just too artificial (I just have my laptop with its 3200x1800
screen, and no external monitors here, so that I cannot test a change of the
screen definition). In case this matters, my window manager is FVWM.

Window before quitting LibreOffice:

xwininfo: Window id: 0x5a0007d "LibreOffice"

  Absolute upper-left X:  69
  Absolute upper-left Y:  104
  Relative upper-left X:  0
  Relative upper-left Y:  0
  Width: 4758
  Height: 2770
  Depth: 24
  Visual: 0x2b
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x5a00002 (installed)
  Bit Gravity State: NorthWestGravity
  Window Gravity State: StaticGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +69+104  --1627+104  --1627--1074  +69--1074
  -geometry 4758x2770+69+104

Window obtained after quitting and restarting LibreOffice:

xwininfo: Window id: 0x5a0007d "LibreOffice"

  Absolute upper-left X:  -1559
  Absolute upper-left Y:  -959
  Relative upper-left X:  0
  Relative upper-left Y:  0
  Width: 4758
  Height: 2770
  Depth: 24
  Visual: 0x2b
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x5a00002 (installed)
  Bit Gravity State: NorthWestGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +-1559+-959  -1+-959  -1--11  +-1559--11
  -geometry 4758x2770-1--11

What is surprising is that the position has changed completely, with large
parts in the negatives, which makes them completely inaccessible. I think this
is what makes  this bug worse: in addition to the issue that the window doesn't
fit in the screen after a change of monitor, the new startup position also
makes the window hardly controllable.

I couldn't find an existing bug with the same or a similar issue.

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