From d3e954befd5b8d8befc8b8cdfdfc398f9babce99 Mon Sep 17 00:00:00 2001 From: Michael Stapelberg Date: Mon, 10 Dec 2018 18:18:23 +0100 Subject: [PATCH] userguide: add a section about hidpi displays This is a continuation of #3438. --- docs/userguide | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/docs/userguide b/docs/userguide index 8a44e224..bf5a4d21 100644 --- a/docs/userguide +++ b/docs/userguide @@ -2842,3 +2842,20 @@ and you are in multi-monitor mode (see <>). Because i3 is not a compositing window manager, there is no ability to display a window on two screens at the same time. Instead, your presentation software needs to do this job (that is, open a window on each screen). + +[[hidpi]] +=== High-resolution displays (aka HIDPI displays) + +See https://wiki.archlinux.org/index.php/HiDPI for details on how to enable +scaling in various parts of the Linux desktop. i3 will read the desired DPI from +the `Xft.dpi` property. The property defaults to 96 DPI, so to achieve 200% +scaling, you’d set `Xft.dpi: 192` in `~/.Xresources`. + +If you are a long-time i3 user who just got a new monitor, double-check that: + +* You are using a scalable font (starting with “pango:”) in your i3 config. + +* You are using a terminal emulator which supports scaling. You could + temporarily switch to gnome-terminal, which is known to support scaling out of + the box, until you figure out how to adjust the font size in your favorite + terminal emulator.