working zellij

hosts/vali/hermit/configuration.nix

@@ -96,10 +96,10 @@
       beets.enable = true;
     };
     editors = {
-      emacs.enable = true;
+      emacs.enable = false;
       helix.enable = true;
-      kakoune.enable = true;
-      neovim.enable = true;
+      kakoune.enable = false;
+      neovim.enable = false;
     };
     services = {
       pipewire.enable = true;

hosts/vali/temperance/configuration.nix

@@ -30,14 +30,15 @@
     system = {
       programs = {
         editors = {
-          emacs.enable = true;
-          neovim.enable = true;
+          emacs.enable = false;
+          neovim.enable = false;
           helix.enable = true;
-          kakoune.enable = true;
+          kakoune.enable = false;
         };
         discord.enable = true;
         firefox.enable = true;
         zathura.enable = true;
+        zellij.enable = true;
         terminals = {
           foot.enable = true;
           kitty.enable = true;

hosts/vali/temperance/programs.nix

@@ -73,6 +73,7 @@ in {
     playerctl
     polkit
     prismlauncher
+    pulsemixer
     python3
     qbittorrent
     r2modman
@@ -104,6 +105,7 @@ in {
     wl-clipboard
     xdg-utils
     xournalpp
+    yazi
     zapzap
     zip
   ];

modules/cli/default.nix

@@ -1 +1,9 @@
-_: {imports = [./fish.nix ./nh.nix ./starship.nix ./beets.nix];}
+_: {
+  imports = [
+    ./fish.nix
+    ./nh.nix
+    ./starship.nix
+    ./beets.nix
+    ./zellij
+  ];
+}

modules/cli/zellij.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (config.modules.other.system) username;
+  cfg = config.modules.system.programs.zellij;
+  inherit (lib) mkIf;
+in {
+  config = mkIf cfg.enable {
+    home-manager.users.${username} = {
+      programs.zellij = {
+        enable = true;
+        enableFishIntegration = true;
+        on_force_close = "quit";
+        layout_dir = "${./layouts}";
+        settings = {
+          pane_frames = false;
+          default_layout = "compact";
+          ui = {
+            pane_frames = {
+              hide_session_name = true;
+              rounded.corners = true;
+            };
+          };
+
+          plugins = {
+            tab-bar.path = "tab-bar";
+            status-bar.path = "status-bar";
+            strider.path = "strider";
+            compact-bar.path = "compact-bar";
+          };
+
+          keybinds = {
+            unbind = "Ctrl n";
+            # resize = {
+              # bind = "Ctrl n";
+            # };
+          };
+        };
+      };
+    };
+  };
+}

modules/cli/zellij/default.nix

@@ -0,0 +1,47 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (config.modules.other.system) username;
+  cfg = config.modules.system.programs.zellij;
+  inherit (lib) mkIf;
+in {
+  config = mkIf cfg.enable {
+    home-manager.users.${username} = {
+      programs.zellij = {
+        enable = true;
+
+        enableFishIntegration = true;
+
+        settings = {
+          layout_dir = "${./layouts}";
+          on_force_close = "quit";
+          pane_frames = false;
+          default_layout = "compact";
+
+          ui = {
+            pane_frames = {
+              hide_session_name = true;
+              rounded_corners = true;
+            };
+          };
+
+          plugins = {
+            tab-bar.path = "tab-bar";
+            status-bar.path = "status-bar";
+            strider.path = "strider";
+            compact-bar.path = "compact-bar";
+          };
+
+          keybinds = {
+            unbind = "Ctrl n";
+            # resize = {
+            # bind = "Ctrl n";
+            # };
+          };
+        };
+      };
+    };
+  };
+}

modules/cli/zellij/layouts/system.kdl

@@ -0,0 +1,127 @@
+// this is my custom "system" layout, loosely based on the official
+// zellij development layout - it's simplified for desktop use
+// and allows me to remain in a single workspace even when I'm
+// using a tiling window manager and am constrained to a single
+// workspace. It provides default tabs for media, file browsing
+// which should be everything that I need, but I may add more
+// in the future
+
+layout {
+	// define default tab layout
+    default_tab_template {
+		// tab bar on the top
+        pane size=1 borderless=true {
+            plugin location="zellij:tab-bar"
+        }
+
+		// child tabs and panes
+		children
+
+		// status bar on the bottom
+		pane size=2 borderless=true {
+            plugin location="zellij:status-bar"
+        }
+    }
+
+	// strider tab uses the strider plugin of zellij
+	// which is similar to neovim's nvimtree
+	// ...but slower and much less configurable
+	tab_template name="strider_tab" {
+        pane size=1 borderless=true {
+            plugin location="zellij:tab-bar"
+        }
+
+		// use the strider plugin on the left side of the screen
+		// to achieve a nvim-tree like layout on the left 15% of
+		// the terminal window - looks cool but is not flexible
+        pane split_direction="Vertical" {
+            pane size="15%" name="Filetree" {
+                plugin location="zellij:strider"
+            }
+            children
+        }
+
+        pane size=2 borderless=true {
+            plugin location="zellij:status-bar"
+        }
+    }
+
+	// define a template pane for the terminal
+	// this once again imitates the neovim layout
+	// by providing a terminal instance on the bottom
+	// 25% of the screen that enters the z shell when
+	// zellij starts - the exec duration for zsh matters
+	// here as it'll repeat for each "tab" that exists
+	pane_template name="term" {
+		// horizontal split to place the terminal
+		// on the bottom half of the screen like the
+		// toggleterm neovim plugin
+        pane split_direction="horizontal" {
+            children
+            pane command="fish" size="25%" name="Shell"
+        }
+    }
+
+	// create a "strider tab" for my system configuration
+	// which is a tab that utilizes the strider tab template
+	// that we have defined earlier, provides a file-tree
+	// view in my system config directory, and opens flake.nix
+	// with the $EDITOR variable - has focus, is the first tab
+	strider_tab name="nichts" cwd="~/projects/nichts" focus=true {
+        term split_direction="vertical" {
+			// FIXME: edit does not open the file from cwd
+			// instead opens a buffer named flake.nix in cwd
+			// which should be the original flake.nix
+			// but is not
+            pane edit="./flake.nix" name="Flake"
+        }
+    }
+
+	// regular vertical tab that will open btop automatically for
+	// viewing active processes in a standalone tab
+	// more utilities can go here if seen necessary
+	tab name="Processes" split_direction="vertical"  {
+        pane {
+			// open btop in the home directory
+			// doesn't really matter where you open it
+		    cwd "$HOME"
+			command "btop"
+		}
+    }
+
+	// the media tab opens musikcube, the TUI music player
+	// and pulsemixer for volume control across different
+	// audio devices - this is split horizontally so that
+	// the mixer covers less space on the screen, at the
+	// bottom 35% of the active tab
+	tab name="Media" split_direction="vertical" {
+		// run musikcube in the Music directory
+		// the CWD doesn't really matter as musikcube
+		// is capable of binding to mpd daemon but
+		// the music directory seemed suitable as
+		// the working directory for the player
+        pane split_direction="horizontal" name="Player" {
+            pane {
+				cwd "$HOME/Nextcloud/Media/Music"
+				command "ncmpcpp"
+			}
+        }
+
+		// standalone pane for pulsemixer
+		pane split_direction="horizontal" name="Mixer" {
+            pane size="35%" {
+				command "pulsemixer"
+			}
+        }
+    }
+
+	// The last tab is a file browser that opens in the home directory
+	// so that I may freely browse my files and open them using the XDG
+	// specs when yazi can handle the file type.
+	tab name="Files" split_direction="horizontal" name="Files" {
+        pane {
+		    cwd "$HOME"
+			command "yazi"
+		}
+    }
+}

modules/editors/helix.nix

@@ -31,12 +31,12 @@ in {
             ];
         });
         settings = {
-          theme = "catppuccin_mocha";
+          # theme = "catppuccin_mocha";
           editor = {
             indent-guides.render = true;
             lsp.display-inlay-hints = true;
             line-number = "relative";
-            mouse = false;
+            mouse = true;
             bufferline = "multiple";
             soft-wrap.enable = true;
             lsp.display-messages = true;

modules/options/system/programs/default.nix

@@ -14,6 +14,7 @@ in {
     zathura.enable = mkEnableOption "Zathura pdf viewer";
     nextcloud.enable = mkEnableOption "Nextcloud sync client";
     firefox.enable = mkEnableOption "Firefox web browser";
+    zellij.enable = mkEnableOption "Zellij terminal multiplexer";
 
     terminals = {
       foot.enable = mkEnableOption "Foot terminal emulator";

modules/other/xdg.nix

@@ -7,7 +7,7 @@
   file_manager = "nautilus.desktop";
   media_player = "mpv.desktop";
   image_viewer = "imv.desktop";
-  text_editor = "nvim.desktop";
+  text_editor = "helix.desktop";
   terminal = "foot.desktop";
 in {
   environment.sessionVariables = {TERMINAL = "${terminal}";};

modules/styling/stylix.nix

@@ -14,7 +14,7 @@ in {
   config = mkIf cfg.enable {
     stylix = {
       enable = true;
-      autoEnable = true;
+      autoEnable = false;
       homeManagerIntegration = {
         followSystem = true;
         autoImport = true;
@@ -77,7 +77,7 @@ in {
     home-manager.users.${username} = {
       stylix.targets = {
         btop.enable = true;
-        helix.enable = false;
+        helix.enable = true;
         dunst.enable = true;
         firefox.enable = true;
         foot.enable = true;