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desktopManager service: Add wallpaper options

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These options are used by `feh` when setting the wallpaper.
This commit is contained in:
Tom Smeets 2017-05-03 22:56:39 +02:00 committed by Nicolas B. Pierron
parent 175ecbab91
commit 6a7590d78a
1 changed files with 26 additions and 1 deletions
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27
nixos/modules/services/x11/desktop-managers/default.nix
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@ -26,6 +26,31 @@ in
services.xserver.desktopManager = {
wallpaper = {
mode = mkOption {
type = types.enum [ "center" "fill" "max" "scale" "tile" ];
default = "scale";
example = "fill";
description = ''
Wallpaper image mode:
<literal>center</literal>: Center the image on the background. If it is too small, it will be surrounded by a black border.
<literal>fill</literal>: Like <literal>scale</literal>, but preserves aspect ratio by zooming the image until it fits. Either a horizontal or a vertical part of the image will be cut off.
<literal>max</literal>: Like <literal>fill</literal>, but scale the image to the maximum size that fits the screen with black borders on one side.
<literal>scale</literal>: Fit the file into the background without repeating it, cutting off stuff or using borders. But the aspect ratio is not preserved either.
<literal>tile</literal>: Tile (repeat) the image in case it is too small for the screen.
'';
};
combineScreens = mkOption {
type = types.bool;
default = false;
description = ''
When set to <literal>true</literal> the wallpaper will stretch across all screens.
When set to <literal>false</literal> the wallpaper is duplicated to all screens.
'';
};
};
session = mkOption {
internal = true;
default = [];
@ -45,7 +70,7 @@ in
start = d.start
+ optionalString (needBGCond d) ''
if [ -e $HOME/.background-image ]; then
${pkgs.feh}/bin/feh --bg-scale $HOME/.background-image
${pkgs.feh}/bin/feh --bg-${cfg.wallpaper.mode} ${optionalString cfg.wallpaper.combineScreens "--no-xinerama"} $HOME/.background-image
else
# Use a solid black background as fallback
${pkgs.xorg.xsetroot}/bin/xsetroot -solid black