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How can I make the UI (menu bar in particular) font size larger? The LO 6.0 user guide, which seems to match the 6.1.5.2 interface, claims there's a "User Interface - Scaling" control under Tools / Options / LibreOffice / View - but there isn't, even in the screenshot in the user guide. Just controls for icon size/style.

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  • The menu bar size is normally a function of the operating system. I looked at the options above in LO 6.4 and changes there did not affect the menu bar.
    – John
    Mar 5, 2020 at 13:03
  • I can see it being a function of whatever GUI toolkit (if any) LO uses, but it's definitely not a function of the Linux OS. I'm running WindowMaker, which is a very, very simple window manager, not a desktop environment like GNOME or KDE, and it's not in control of the GUI either.
    – Jon
    Mar 6, 2020 at 14:24
  • I'm using LO 6.4 on Ubuntu 19.10 and do not see any option to scale the display. Am I missing something? Fonts on my LO toolbar are tiny.
    – trinkner
    Mar 30, 2020 at 22:31
  • This feature seems to be a matter of some contention -- see bugs.documentfoundation.org/show_bug.cgi?id=101646 .
    – thomp45793
    Aug 30, 2020 at 2:55

1 Answer 1

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I think there are multiple answers to this question depending on OS.

In Linux, it seems to depend on whether one is using a desktop environment or not. https://wiki.documentfoundation.org/Development/HiDpi claims life is good if one is using one of the more prominent desktop environments (e.g., GNOME or KDE).

If one is using LibreOffice under X with only a window manager, if the GTK UI is being used, try ensuring libreoffice-gtk3 is installed (the package name in debian), setting GDK_SCALE, and then executing your favorite LibreOffice executable in that environment. For example, from the shell:

$ export GDK_SCALE=2
$ localc
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  • That indeed works! Thanks very much. It also scales the content, not just the UI elements, but it's still a big improvement.
    – Jon
    Aug 31, 2020 at 3:24
  • Actually, the libreoffice-gtk3 package seems to be the main source of improvement here. It definitely affects menu bar font size. After some poking around I realized that GTK_SCALE only supports integer scaling which makes the menu text if anything too enormous at scale 2. But the default GTK3 sizes are a big improvement and I'll take the win (also chimed in support on the documenfoundation.org Bugzilla noted above).
    – Jon
    Aug 31, 2020 at 3:37
  • @user3124312 If fractional scaling is desired, you might take a stab at setting GDK_DPI_SCALE. I believe it supports fractional values. Haven't tested this myself, though (this whole issue has "tar pit" written all over it...).
    – thomp45793
    Aug 31, 2020 at 21:42

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