[Libreoffice-bugs] [Bug 116723] New: LibreOffice programs have no window title bar icon

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=116723

            Bug ID: 116723
           Summary: LibreOffice programs have no window title bar icon
           Product: LibreOffice
           Version: 5.4.5.1 release
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: trivial
          Priority: medium
         Component: UI
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: Nachanon_Vetjasit at hotmail.com

Created attachment 140995
  --> https://bugs.documentfoundation.org/attachment.cgi?id=140995&action=edit
Screenshot of Writer window and system's task switcher dialog

This is a cosmetic bug- albeit impairing usability, it does not affect
functionality of office suite themselves.

I have recently upgraded my LibreOffice installation to version 5.4.
While frequently switching back and forth between each program in the suite
and other programs on the workspace, I found that LibreOffice does not have
window title bar icon- which leads to confusion and mental double-take
every time the system's task switcher (Alt+Tab) got used.

Screenshots of each LibreOffice program while invoking desktop's task switcher
(Alt+Tab) are attached:

- You would see that a placeholder "image missing" icon
  is displayed at left side of every LibreOffice programs' title bar
  instead of the program's icon itself (or document's thumbnail).

- You would see that a placeholder "image missing" icon
  is displayed on desktop's task switcher dialog (at the middle of screen),
  instead of the respective LibreOffice program's icon itself
  (or document's thumbnail).

  This causes confusion when there are multiple LibreOffice programs
  opened at the same time; user won't know which one is which until he/she
  moves the task switcher's cursor pass each of them. (Really time-consuming
  when there are dozens of programs running on the workspace)

The problem affects all LibreOffice programs: Writer, Calc, Impress, Base,
Draw, Math, and the main launcher; as demonstrated in the screenshots.

Note: This problem is most prominent when LibreOffice is running under
a traditional non-compositing window manager. If you are using
a compositing one, disable its compositing function first before testing
(or at least, disable its window thumbnailing function).

Steps to reproduce (for the record):

1. Start any LibreOffice program (Writer, Calc, Impress, Base, Draw, Math,
   or the main LibreOffice launcher).
2. Look at its window icon (usually located on the left side of title bar;
   at top-left corner of the window).
3. You would see that there is no icon (or a system's placeholder icon)
   displayed on the window's title bar.
4. Hold Alt key, press Tab key (don't release Alt key yet).
5. You would see that the icon that should have been the LibreOffice
   program was not displayed (or displayed using system's placeholder icon).

LibreOffice: 5.4.5.1 32-bit (Debian packages from libreoffice.org)
Window manager: MATE Marco 1.8.1 (Debian; with compositing disabled)
Desktop: MATE 1.8.1 (Debian)
Display server: X11R7 Xorg 7.7 (Debian)
System: Debian GNU/Linux 7.0 Wheezy i386

"About LibreOffice" dialog information follows...
        Version: 5.4.5.1
        Build ID: 79c9829dd5d8054ec39a82dc51cd9eff340dbee8
        CPU threads: 4; OS: Linux 3.2; UI render: default; VCL: gtk2; 
        Locale: th-TH (th_TH); Calc: group

OpenGL is not used in this LibreOffice installation.

P.S. I encountered an "You must select/enter a version." error when attempting
to submit the report via "guided" form (despite the Version field being set to
"5.4.5.1 release"), so I have to use the "plain" form instead. Note that the
attempt of submission was made using Pale Moon 25.8.1 with JavaScript disabled.

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