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-rw-r--r--gnu/services/xorg.scm31
1 files changed, 28 insertions, 3 deletions
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index 41e05c9c17..b29f2e46c5 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -31,6 +31,9 @@
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (guix derivations)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
+ #:use-module (ice-9 match)
#:export (xorg-start-command
slim-service))
@@ -43,13 +46,17 @@
(define* (xorg-start-command #:key
(guile (canonical-package guile-2.0))
(xorg-server xorg-server)
- (drivers '()))
+ (drivers '()) (resolutions '()))
"Return a derivation that builds a @var{guile} script to start the X server
from @var{xorg-server}. Usually the X server is started by a login manager.
@var{drivers} must be either the empty list, in which case Xorg chooses a
graphics driver automatically, or a list of driver names that will be tried in
-this order---e.g., @code{(\"modesetting\" \"vesa\")}."
+this order---e.g., @code{(\"modesetting\" \"vesa\")}.
+
+Likewise, when @var{resolutions} is the empty list, Xorg chooses an
+appropriate screen resolution; otherwise, it must be a list of
+resolutions---e.g., @code{((1024 768) (640 480))}."
(define (device-section driver)
(string-append "
@@ -58,6 +65,21 @@ Section \"Device\"
Driver \"" driver "\"
EndSection"))
+ (define (screen-section driver resolutions)
+ (string-append "
+Section \"Screen\"
+ Identifier \"screen-" driver "\"
+ Device \"device-" driver "\"
+ SubSection \"Display\"
+ Modes "
+ (string-join (map (match-lambda
+ ((x y)
+ (string-append "\"" (number->string x)
+ "x" (number->string y) "\"")))
+ resolutions)) "
+ EndSubSection
+EndSection"))
+
(define (xserver.conf)
(text-file* "xserver.conf" "
Section \"Files\"
@@ -82,7 +104,10 @@ Section \"ServerFlags\"
Option \"AllowMouseOpenFail\" \"on\"
EndSection
"
- (string-join (map device-section drivers) "\n")))
+ (string-join (map device-section drivers) "\n")
+ (string-join (map (cut screen-section <> resolutions)
+ drivers)
+ "\n")))
(mlet %store-monad ((config (xserver.conf)))
(define script