feat(tmux): add keybinds option

modules/profiles/base.nix

@@ -64,6 +64,19 @@ in
       gpg.enable = true;
       navi.enable = true;
       tmux.enable = true;
+      tmux.keybinds = {
+        prefix = {
+          "-" = "split-window -v";
+          "|" = "split-window -h";
+          "C-l" = "send-keys C-l";
+          "R" = "source-file $XDG_CONFIG_HOME/tmux/tmux.conf \\; display-message 'Reloaded tmux.conf'";
+        };
+        copy-mode-vi = {
+          "v" = "send -X begin-selection";
+          "V" = "send -X select-line";
+          "C-v" = "send -X rectangle-toggle";
+        };
+      };
     };
   };
 

modules/programs/tmux.nix

@@ -43,6 +43,22 @@ in
   options.my.programs.tmux = {
     enable = mkEnableOption "tmux";
     autoAttach = mkEnableOption "autoAttach";
+    keybinds = mkOption {
+      type = with types; attrsOf (attrsOf string);
+      default = { };
+      description = "Keybinds for tmux";
+      example = literalExample ''
+        {
+          prefix = {
+            "-" = "split-window -v";
+            "|" = "split-window -h";
+          };
+          copy-mode-vi = {
+            "v" = "send -X begin-selection";
+          };
+        }
+      '';
+    };
   };
 
   config = mkIf cfg.enable {
@@ -64,6 +80,15 @@ in
           tmux-fzf
           yank
         ];
+        extraConfig =
+          let
+            mkKeybind = table: mapAttrsToList (keybind: value: "bind-key -T ${table} '${keybind}' ${value}");
+            keybinds = flatten (mapAttrsToList mkKeybind cfg.keybinds);
+          in
+          ''
+            # Keybinds
+            ${concatStringsSep "\n" keybinds}
+          '';
       };
       fzf.tmux.enableShellIntegration = true;
       fish.interactiveShellInit =
@@ -80,7 +105,6 @@ in
                 end
             end
           '';
-
     };
   };
 }