fix multi DPI scaling in x11 using xsession

src/home/gui/gnome.nix

@@ -2,6 +2,7 @@
   lib,
   pkgs,
   config,
+  wallpaper,
   ...
 }:
 {
@@ -117,7 +118,7 @@
       toggle-stacking-global = [ "<Super>s" ];
     };
     "org/gnome/desktop/background" = {
-      picture-uri-dark = "file://${pkgs.nixos-artwork.wallpapers.nineish-dark-gray.src}";
+      picture-uri-dark = "file://${wallpaper}";
     };
     "org/gnome/desktop/interface" = {
       color-scheme = "prefer-dark";

src/home/shell/bash.nix

@@ -7,9 +7,9 @@
 {
   programs.bash.enable = true;
   programs.bash.enableVteIntegration = true;
-  programs.bash.initExtra = lib.mkAfter ''
+  # programs.bash.initExtra = lib.mkAfter ''
-    export NIX_LD=$(nix eval --impure --raw --expr 'let pkgs = import <nixpkgs> {}; NIX_LD = pkgs.lib.fileContents "${pkgs.stdenv.cc}/nix-support/dynamic-linker"; in NIX_LD')
+  #   export NIX_LD=$(nix eval --impure --raw --expr 'let pkgs = import <nixpkgs> {}; NIX_LD = pkgs.lib.fileContents "${pkgs.stdenv.cc}/nix-support/dynamic-linker"; in NIX_LD')
-  '';
+  # '';
   programs.bash.bashrcExtra = lib.mkAfter ''
     if [ "$term" != "dumb" ] || [ -n "$inside_emacs" ]; then
       prompt_color="1;32m"

src/home/shell/neovim/config/init.lua

@@ -943,6 +943,19 @@ require("lazy").setup({
       },
     },
   },
+  {
+    "ojroques/nvim-osc52",
+    event = "VimEnter",
+    config = function()
+      local copy = function()
+        if vim.v.event.operator == "y" and vim.v.event.regname == "+" then
+          require("osc52").copy_register("+")
+        end
+      end
+
+      vim.api.nvim_create_autocmd("TextYankPost", { callback = copy })
+    end,
+  },
 }, {
   ui = {
     -- If you are using a Nerd Font: set icons to an empty table which will use the

src/home/shell/neovim/config/lazy-lock.json

@@ -19,6 +19,7 @@
   "multicursor.nvim": { "branch": "1.0", "commit": "b715cc5bf69cf6e338899510eb2b60b1dd7ccce0" },
   "nvim-cmp": { "branch": "main", "commit": "f17d9b4394027ff4442b298398dfcaab97e40c4f" },
   "nvim-lspconfig": { "branch": "master", "commit": "87c7c83ce62971e0bdb29bb32b8ad2b19c8f95d0" },
+  "nvim-osc52": { "branch": "main", "commit": "04cfaba1865ae5c53b6f887c3ca7304973824fb2" },
   "nvim-treesitter": { "branch": "master", "commit": "20e10ca6914f65cf1410232433fb58de70ab6b39" },
   "nvim-web-devicons": { "branch": "master", "commit": "19d257cf889f79f4022163c3fbb5e08639077bd8" },
   "oil.nvim": { "branch": "master", "commit": "8ea40b5506115b6d355e304dd9ee5089f7d78601" },

src/home/wm/default.nix

@@ -6,6 +6,9 @@ _: {
   ];
 
   config = {
-    xsession.enable = true;
+    xsession = {
+      enable = true;
+      scriptPath = ".xsession-hm";
+    };
   };
 }

src/home/wm/i3.nix

@@ -2,6 +2,7 @@
   pkgs,
   lib,
   config,
+  wallpaper,
   ...
 }:
 let
@@ -30,9 +31,11 @@ in
   };
 
   config = lib.mkIf config.custom.wm.i3.enable {
-
     home.packages = with pkgs; [
       arandr
+      feh
+      xfce.xfce4-volumed-pulse
+      autorandr
     ];
     services.picom = {
       enable = true;
@@ -40,15 +43,15 @@ in
     services.dunst = {
       enable = true;
     };
-    # xsession.profileExtra = ''
+    xsession.initExtra = ''
-    #   export GDK_SCALE=2
+      export GDK_SCALE=2
-    #   export GDK_DPI_SCALE=0.5
+      export GDK_DPI_SCALE=0.5
-    #   export _JAVA_OPTIONS="-Dsun.java2d.uiScale=2"
+      export _JAVA_OPTIONS="-Dsun.java2d.uiScale=2"
-    #   export QT_AUTO_SCREEN_SCALE_FACTOR=1
+      export QT_AUTO_SCREEN_SCALE_FACTOR=1
-    #   export QT_DEVICE_PIXEL_RATIO=2
+      export QT_DEVICE_PIXEL_RATIO=2
-    #   echo "Xft.dpi: 192" | xrdb -merge
+      echo "Xft.dpi: 192" | xrdb -merge
-    #   export XCURSOR_SIZE=64
+      export XCURSOR_SIZE=64
-    # ''; 
+    '';
     xsession.windowManager.i3 = {
       enable = true;
       extraConfig = commonOptions.extraConfig;
@@ -69,6 +72,23 @@ in
             "${commonOptions.modifier}+Shift+o" = "exec --no-startup-id ${maim} -s | ${clipboard-copy} -selection clipboard -t image/png";
             "PRINT" = "exec --no-startup-id ${maim} -s | ${clipboard-copy} -selection clipboard -t image/png";
           };
+          startup = [
+            {
+              command = "autorandr -c";
+              always = false; # Important, run only on first start (will loop otherwise)!
+              notification = false;
+            }
+            {
+              command = "feh --bg-fill ${wallpaper}";
+              always = true;
+              notification = false;
+            }
+            {
+              command = "xfce4-volumed-pulse &";
+              always = false;
+              notification = false;
+            }
+          ];
         }
       ];
     };

src/hosts/default.nix

@@ -40,6 +40,7 @@ let
             extraSpecialArgs = specialArgs // {
               inherit host user;
               dots = "/home/${user}/code/nix-config";
+              wallpaper = pkgs.nixos-artwork.wallpapers.nineish-dark-gray.src;
             };
 
             users.${user} = {

src/hosts/pickwick/default.nix

@@ -47,7 +47,7 @@
     bluetooth.enable = true;
     wm = {
       i3.enable = true;
-      sway.enable = true;
+      sway.enable = false;
     };
     gnome = {
       enable = true;

src/nixos/displaymanager.nix

@@ -14,10 +14,18 @@
         # '';
         session = [
           {
-            manage = "desktop";
+            manage = "window";
-            name = "xsession";
+            name = "hm";
             start = ''
-              exec $HOME/.xsession
+              # export GDK_SCALE=2
+              # export GDK_DPI_SCALE=0.5
+              # export _JAVA_OPTIONS="-Dsun.java2d.uiScale=2"
+              # export QT_AUTO_SCREEN_SCALE_FACTOR=1
+              # export QT_DEVICE_PIXEL_RATIO=2
+              # echo "Xft.dpi: 192" | xrdb -merge
+              # export XCURSOR_SIZE=64
+              ${pkgs.stdenv.shell} $HOME/.xsession-hm &
+              waitPID=$!
             '';
           }
         ];