Public bug reported:
Some applications are missing the titlebar in gnome-session-flashback
with Metacity. Standard GNOME applications are not affected, but some
that use Xlib directly, like mupdf or feh, are.
Steps to reproduce:
- Use mupdf to display any .pdf file, or use feh to display any image file.
Expected result:
- A window with a title bar appears.
Actual result:
- A window without title bar, but thicker borders, appears.
- This does not always happen; sometimes, the title bars appear just fine.
- see attached screenshot
Things I tried:
- Enabling/disabling org.gnome.metacity.compositing-manager via dconf-editor
doesn't make a difference.
- In an Xlib-based program I wrote myself, I could get rid of this by doing a
dummy call to XSetWMNormalHints() with BaseSize set to the window size I was
using anyway and MinSize set to 1x1.
metacity:
Installed: 1:3.18.3-1ubuntu2
Candidate: 1:3.18.3-1ubuntu2
Version table:
*** 1:3.18.3-1ubuntu2 500
500 http://mirror.dreamchip.de/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04
** Affects: metacity (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "demo of the missing titlebar bug"
https://bugs.launchpad.net/bugs/1568852/+attachment/4632707/+files/metacity_titlebar_bug.png
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https://bugs.launchpad.net/bugs/1568852
Title:
missing title bar for some applications
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