The Gtk manual gives the following information:
There is a setting called gtk-theme-name that is read from the
"settings.ini" file
On settings file:
In the absence of an Xsettings manager, GTK+ reads default values for
settings from |settings.ini| files in |/etc/gtk-3.0|,
|$XDG_CONFIG_DIRS/gtk-3.0| and |$XDG_CONFIG_HOME/gtk-3.0|. These files
must be valid key files (see GKeyFile), and have a section called
Settings. Themes can also provide default values for settings by
installing a |settings.ini| file next to their |gtk.css| file.
On theme lookup:
First, the file |$XDG_CONFIG_HOME/gtk-3.0/gtk.css| is loaded if it
exists. Then, GTK+ loads the first existing file among
|XDG_DATA_HOME/themes/THEME/gtk-VERSION/gtk.css|,
|$HOME/.themes/THEME/gtk-VERSION/gtk.css|,
|$XDG_DATA_DIRS/themes/THEME/gtk-VERSION/gtk.css| and
|DATADIR/share/themes/THEME/gtk-VERSION/gtk.css|, where |THEME| is the
name of the current theme (see the “gtk-theme-name”
<https://developer.gnome.org/gtk3/stable/GtkSettings.html#GtkSettings--gtk-theme-name> setting),
|DATADIR| is the prefix configured when GTK+ was compiled (unless
overridden by the |GTK_DATA_PREFIX| environment variable), and
|VERSION| is the GTK+ version number. If no file is found for the
current version, GTK+ tries older versions all the way back to 3.0.
For the zim on windows, XDG_CONFIG_HOME is set to %APPDATA% /zim/config
So my best guess without testing is that if you create
"%APPDATA%/zim/config/gtk-3.0/settings.ini" and set the theme name, it
should be used by Gtk. To find %APPDATA% just type "%APPDATA%" in the
navigation bar of windows file explorer.
Let me know whether this works. I'll put the information in the manual
and maybe just make a preference setting for this.
Regards,
Jaap
On Sat, Aug 8, 2020 at 3:49 AM Jesse Sloane <sloanej@xxxxxxxxxx
<mailto:sloanej@xxxxxxxxxx>> wrote:
Hi,
I'm using the Windows install of 0.73.2, and would be gratefun for
guidance on changing the color theme. At the minimum it would be
great
to have a dark background for regular text. For the old Windows
versions
done by Brendan Kidwell I could figure out from the documentation
what
directory to put a GTK theme into and then what config file to
modify to
specify which theme to use.
For these new Windows installations, I think I've found the
directory to
add themes into (on my machine, 'C:\Program Files\Zim Desktop
Wiki\share\themes\') but can't figure out what file will make Zim
apply
a different theme (I've been looking in
'C:\Users\[username]\AppData\Roaming\zim\config\zim\' and the various
subdirectories of 'C:\Program Files\Zim Desktop Wiki\share\'). I even
tried replacing the files in ('C:\Program Files\Zim Desktop
Wiki\share\themes\Default\gtk-3.0\') with files of the same name from
another GTK theme, but the colors in Zim didn't change.
What should I be doing? I noticed that there was some discussion on
Reddit about how to get a dark theme in the newer Windows
installations
of Zim but no one found an answer.
As you can can tell I'm not a software developer and don't have
any deep
knowledge of how these applications are set up. I've just used Zim to
organize for my own work over many years and find it an amazing tool.
Thanks for any help!
Jesse
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