Manage mimeapps via home-manager

nixos/desktop.nix

@@ -5,6 +5,7 @@ makeEnable config "myModules.desktop" true {
     ./fonts.nix
     ./hyprland.nix
     ./keyd.nix
+    ./xremap.nix
   ];
 
   services.xserver = {
@@ -62,6 +63,7 @@ makeEnable config "myModules.desktop" true {
     kdePackages.dolphin
 
     feh
+    gthumb
     firefox
     cheese
     kdePackages.kleopatra
@@ -82,8 +84,7 @@ makeEnable config "myModules.desktop" true {
     simplescreenrecorder
     skippy-xd
     synergy
-    # TODO: reenable
-    # transmission_3-gtk
+    transmission_4-gtk
     vlc
     thunar
 

nixos/home-manager.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, lib, nixos, ... }:
 {
   # Automatic garbage collection of old home-manager generations
   nix.gc = {
@@ -20,6 +20,38 @@
       static_history = []
   '';
 
+  xdg.mimeApps = lib.mkIf nixos.config.myModules.desktop.enable {
+    enable = true;
+
+    associations.added = {
+      "video/x-matroska" = "vlc.desktop";
+      "audio/flac" = "vlc.desktop";
+      "image/jpeg" = "feh.desktop";
+      "video/x-msvideo" = "vlc.desktop";
+      "text/vnd.trolltech.linguist" = "vlc.desktop";
+      "audio/mpeg" = "vlc.desktop";
+      "application/pdf" = "okularApplication_pdf.desktop";
+      "image/png" = "okularApplication_kimgio.desktop";
+      "video/mp4" = [ "vlc.desktop" "org.gnome.Totem.desktop" ];
+      "x-scheme-handler/magnet" = "userapp-transmission-gtk-24GQLZ.desktop";
+      "element" = "element-desktop.desktop";
+    };
+
+    defaultApplications = {
+      "text/html" = "google-chrome.desktop";
+      "x-scheme-handler/http" = "google-chrome.desktop";
+      "x-scheme-handler/https" = "google-chrome.desktop";
+      "x-scheme-handler/about" = "google-chrome.desktop";
+      "x-scheme-handler/unknown" = "google-chrome.desktop";
+      "x-scheme-handler/magnet" = "userapp-transmission-gtk-24GQLZ.desktop";
+      "x-scheme-handler/element" = "element-desktop.desktop";
+    };
+
+    defaultApplicationPackages = [
+      pkgs.gthumb
+    ];
+  };
+
   xsession = {
     enable = true;
     preferStatusNotifierItems = true;

nixos/xremap.nix

@@ -0,0 +1,32 @@
+{ config, lib, pkgs, makeEnable, ... }:
+makeEnable config "myModules.xremap" true {
+  hardware.uinput.enable = true;
+  boot.kernelModules = [ "uinput" ];
+
+  services.udev.extraRules = lib.mkAfter ''
+    KERNEL=="uinput", GROUP="input", TAG+="uaccess"
+  '';
+
+  environment.etc."xremap/config.yml".text = ''
+    keymap:
+      - name: Chrome emacs-ish
+        application:
+          only: [Google-chrome, Google-chrome-stable, google-chrome, Chromium, chromium]
+        remap:
+          C-a: Home
+          C-e: End
+          Alt-b: C-Left
+          Alt-f: C-Right
+  '';
+
+  environment.systemPackages = [ pkgs.xremap ];
+
+  systemd.user.services.xremap = {
+    description = "xremap key remapper";
+    wantedBy = [ "default.target" ];
+    serviceConfig = {
+      ExecStart = "${pkgs.xremap}/bin/xremap /etc/xremap/config.yml --watch";
+      Restart = "on-failure";
+    };
+  };
+}