non-themed kdm greeter text needs to be bigger

[Duncan]

Felix Miata posted on Sat, 19 Jul 2014 22:57:29 -0400 as excerpted:

> kdmrc makes obvious how to choose sizes for main greeter texts headline,
> std & fail. What's required to configure the greeter's menu text to be
> the same legible size as the std text?
> http://docs.kde.org/stable/en/kde-workspace/kdm/configuring-kdm.html
> doesn't say. Is there an indirect way to make all greeter text sizes
> bigger without resorting to theming?
> 
> http://fm.no-ip.com/SS/KDE/greeterMousetypeKDE413.png

Looks like you figured out how to make a greeter screenshot (an earlier 
question =:^).

While that looks readable to me, that's probably because I'm viewing it 
on a 42-inch TV monitor, which tends to make most things readable. =:^)  
Tho I must say it's not too bad on the 21-inch either.

Be that as it may, while I don't know the kde-specific technology, and 
don't have a greeter installed here at all as I login at the CLI, one 
general solution I've used to change font size in the past is to set X's 
DPI, so it's not simply using defaults, which have changed over the 
years, making settings that are optimized for one version either 
unreadably tiny or unworkably huge on the next.  By telling X what 
specific settings to use instead of letting it use the changeable 
defaults, it uses the same settings regardless of the defaults in that 
particular version.

The xorg setting in question is per-monitor and thus goes in the monitor 
section of an xorg.conf.d file.  You actually set the viewable size (mm) 
in width and height, which X then uses to calculate horizontal and 
vertical pitch (DPI).  You can either add the following DisplaySize entry 
to an existing monitor section in an existing conf file, or create a new 
one with the entire monitor section, if necessary.  The file should go in 
/etc/X11/xorg.conf.d/ and be named something.conf, perhaps monitor.conf.

Section "Monitor"
	# choose an appropriate identifier
	Identifier "choose-an-id"
	# size of the picture area in mm
	DisplaySize width height
EndSection

See the xorg.conf (5) manpage for more.

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman

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