Add Rupert’s configuration

base/xkb/default.nix

@@ -0,0 +1,16 @@
+{ ... }:
+{
+    services.xserver.layout = "us-fruchti";
+    services.xserver.extraLayouts = {
+        de-fruchti = {
+            description = "DE layout with some small changes";
+            languages   = [ "deu" ];
+            symbolsFile = ./symbols/de-fruchti;
+        };
+        us-fruchti = {
+            description = "US-altgr-intl layout with some small changes";
+            languages   = [ "eng" ];
+            symbolsFile = ./symbols/us-fruchti;
+        };
+    };
+}

base/xkb/symbols/de-fruchti

@@ -0,0 +1,8 @@
+xkb_symbols "de-fruchti"
+{
+    include "de(basic)"
+
+    // Swap insert/print screen
+    key	<PRSC> { [ Insert ] };
+    key <INS> { [ Print ] };
+};

base/xkb/symbols/us-fruchti

@@ -0,0 +1,44 @@
+partial alphanumeric_keys
+xkb_symbols "us-fruchti" {
+    include "us(altgr-intl)"
+    name[Group1]="English (intl., with AltGr dead keys, customised)";
+
+    key <AC02> {
+        // Change: Replace section with U1E9E (capital sharp s)
+        [               s,               S,          ssharp,           U1E9E ]
+    };
+    key <AC04> {
+        // Change: Replace f with U017F (long s)
+        // Change: Replace F with section
+        [               f,               F,           U017F,         section ]
+    };
+    key <AC05> {
+        // Change: replace g with doublelowquotemark
+        // Change: replace G with singlelowquotemark
+        [               g,               G, doublelowquotemark, singlelowquotemark ]
+    };
+    key <AC06> {
+        // Change: replace h with leftdoublequotemark
+        // Change: replace H with leftsinglequotemark
+        [               h,               H, leftdoublequotemark, leftsinglequotemark ]
+    };
+    key <AC08> {
+	// oe/OE are already available with AltGr+(Shift+)X
+	// Change: Replace oe with endash
+	// Change: Replace OE with emdash
+	[	        k,               K,          endash,         emdash ]
+    };
+    key <AB05> {
+        // Change: Replace b with U2026 (ellipsis)
+        // Change: Replace B with Greek_OMEGA
+        [               b,               B,           U2026,     Greek_OMEGA ]
+    };
+    key <AB07> {
+        // Change: Replace mu with endash
+        [               m,               M,              mu,          endash ]
+    };
+    key <SPCE> {
+        // Change: Add thinspace for AltGr+Space
+        [           space,           space,           U2009,    nobreakspace ]
+    };
+};