2023-09-06 19:29:51 +02:00
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{ config, pkgs, ... }:
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{
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# https://wiki.archlinux.org/title/HiDPI#Wayland
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# Results in blurry font in non-Wayland applications :/
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2023-09-07 13:47:44 +02:00
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# https://wiki.archlinux.org/title/HiDPI#Xorg
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2023-09-06 19:29:51 +02:00
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programs.dconf.enable = true;
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2023-09-07 13:47:44 +02:00
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# Overlays.
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# https://nixos.wiki/wiki/Overlays#In_NixOS
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2023-09-07 21:48:23 +02:00
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# https://discourse.nixos.org/t/use-specific-pkg-version-in-overlay/32741/3
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2023-09-07 13:47:44 +02:00
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nixpkgs.overlays = [
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(
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2023-09-07 13:54:37 +02:00
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# Patched version of mutter 44.2.
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2023-09-07 13:47:44 +02:00
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# Outdated example: https://nixos.wiki/wiki/Overlays#Overriding_a_package_inside_a_scope
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#
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# On the AUR, they apply only one patch, not three.
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# And they pick the patch that corresponds to the mutter version.
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# https://aur.archlinux.org/packages/mutter-x11-scaling
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#
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# New patch URL:
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# -> https://salsa.debian.org/gnome-team/mutter/-/blob/ubuntu/master/debian/patches/ubuntu/x11-Add-support-for-fractional-scaling-using-Randr.patch
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# For release 44.2:
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# -> https://salsa.debian.org/gnome-team/mutter/-/tags?sort=updated_desc&search=ubuntu%2F
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# -> https://salsa.debian.org/gnome-team/mutter/-/tags/ubuntu%2F44.2-3ubuntu1
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# -> https://salsa.debian.org/gnome-team/mutter/-/raw/ubuntu/44.2-3ubuntu1/debian/patches/ubuntu/x11-Add-support-for-fractional-scaling-using-Randr.patch
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#
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#=> building '/nix/store/yh0jnwyq5351l1rjspjlkimas3wvpf6g-mutter-44.2.drv'...
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# Elements of nixpkgs must be taken from final and prev.
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final: prev: {
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# Elements of pkgs.gnome must be taken from gfinal and gprev.
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gnome = prev.gnome.overrideScope' (gfinal: gprev: {
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2023-09-07 21:48:23 +02:00
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mutter = gprev.mutter.overrideAttrs (oldAttrs:
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if oldAttrs.version == "44.2" then
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{
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patches = (oldAttrs.patches or []) ++ [
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(prev.fetchpatch {
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url = "https://salsa.debian.org/gnome-team/mutter/-/raw/ubuntu/44.2-3ubuntu1/debian/patches/ubuntu/x11-Add-support-for-fractional-scaling-using-Randr.patch";
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# Determining the hash: https://github.com/NixOS/nixpkgs/issues/191128#issuecomment-1246030431
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hash = "sha256-GCtz87C1NgxenYE5nbxcIIxqNhutmdngscnlK10fRyQ=";
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})
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];
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}
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else throw "Mutter version mismatch. Please update patch."
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);
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2023-09-07 13:47:44 +02:00
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});
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}
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)
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];
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2023-09-06 19:29:51 +02:00
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home-manager.users.yoda = { osConfig, config, pkgs, ... }: {
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dconf.settings = {
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"org/gnome/mutter" = {
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2023-09-07 13:47:44 +02:00
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experimental-features = [
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# Wayland fractional scaling
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"scale-monitor-framebuffer"
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# X11 fractional scaling
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"x11-randr-fractional-scaling"
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];
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2023-09-06 19:29:51 +02:00
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};
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};
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};
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}
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