feat(emacs): add mailto and org-protocol handlers for Emacs

users/modules/emacs.nix

@@ -3,7 +3,7 @@
   config,
   lib,
   ...
-}: let
+}: with lib; let
   emacsDefaultPackage = with pkgs; ((emacsPackagesFor emacsNativeComp).emacsWithPackages (
     epkgs: [
       epkgs.vterm
@@ -14,23 +14,45 @@
   cfg = config.modules.emacs;
 in {
   options.modules.emacs = {
-    enable = lib.mkEnableOption "enables Emacs";
-    package = lib.mkOption {
-      type = lib.types.package;
+    enable = mkEnableOption "enables Emacs";
+    package = mkOption {
+      type = types.package;
       default = emacsDefaultPackage;
     };
-    service = lib.mkEnableOption "enables Emacs service";
+    service = mkEnableOption "enables Emacs service";
+    mu4eMime = mkEnableOption "Enables mu4e to handle mailto scheme";
+    org-protocol = mkEnableOption "Enables org-protocol";
   };
 
   config = {
-    programs.emacs = lib.mkIf cfg.enable {
+    programs.emacs = mkIf cfg.enable {
       enable = true;
       inherit (cfg) package;
     };
-    services.emacs = lib.mkIf cfg.service {
+    services.emacs = mkIf cfg.service {
       enable = true;
       inherit (cfg) package;
       startWithUserSession = "graphical";
     };
+
+    xdg.desktopEntries.mu4e = mkIf cfg.mu4eMime {
+      name = "mu4e";
+      genericName = "mu4e";
+      comment = "Maildir Utils for Emacs";
+      mimeType = ["x-scheme-handler/mailto"];
+      noDisplay = true;
+      exec = "${cfg.package}/bin/emacsclient -c -n -a ${cfg.package}/bin/emacs -e \"(browse-url-mail \\\"\\$*\\\")\"";
+      terminal = false;
+      categories = ["Network" "Email" "TextEditor" "Utility"];
+    };
+
+    xdg.desktopEntries.org-protocol = mkIf cfg.org-protocol {
+      name = "org-protocol";
+      exec = "${cfg.package}/bin/emacsclient -c -n -a ${cfg.package}/bin/emacs %u";
+      terminal = false;
+      noDisplay = true;
+      categories = ["System"];
+      mimeType = ["x-scheme-handler/org-protocol"];
+    };
   };
 }

users/phundrak/home.nix

@@ -51,6 +51,8 @@
         enable = true;
         service = true;
         package = emacsPkg;
+        mu4eMime = true;
+        org-protocol = true;
       };
       shell.starship.jjIntegration = true;
       bat.extras = true;