init

modules/home/tmux.nix

@@ -0,0 +1,121 @@
+# Tmux configuration module
+#
+# Migrated from chezmoi dot_tmux.conf
+# Uses Home Manager's programs.tmux for declarative configuration
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  programs.tmux = {
+    enable = true;
+
+    # Basic settings
+    mouse = true;
+    baseIndex = 1;
+    keyMode = "vi";
+    escapeTime = 0; # From tmux-sensible
+    historyLimit = 50000; # From tmux-sensible
+
+    # Terminal settings
+    terminal = "screen-256color";
+
+    # Plugins managed by Home Manager (replaces TPM)
+    plugins = with pkgs.tmuxPlugins; [
+      sensible
+      yank
+      {
+        plugin = power-theme;
+        # Note: tmux-power theme is applied automatically
+      }
+    ];
+
+    # Extra configuration that can't be expressed via options
+    extraConfig = ''
+      # Terminal overrides for true color support
+      set -ag terminal-overrides ",xterm-256color:RGB"
+
+      # Window settings
+      set -g renumber-windows on
+      set-option -g allow-rename off
+
+      # Key bindings
+      bind q lock-client
+
+      # Unbind defaults we're replacing
+      unbind '"'
+      unbind %
+
+      # Vim-style pane navigation
+      bind h select-pane -L
+      bind j select-pane -D
+      bind k select-pane -U
+      bind l select-pane -R
+
+      # Pane resizing with repeat
+      bind -r H resize-pane -L 10
+      bind -r J resize-pane -D 10
+      bind -r K resize-pane -U 10
+      bind -r L resize-pane -R 10
+
+      # Attach to current path
+      bind o attach -c "#{pane_current_path}"
+
+      # Open pane in vim
+      bind-key / capture-pane -S -102400 -J \; new-window 'vim -c ":read !tmux save-buffer - ; tmux delete-buffer;" -c ":normal gg" -c ":set buftype=nofile" -c ":silent! ChompWhitespace"'
+
+      # Catppuccin theme settings (kept for reference if switching themes)
+      set -g @catppuccin_date_time "%Y-%m-%d %H:%M"
+      set -g @catppuccin_window_tabs_enabled "on"
+
+      # Copy mode settings (vi mode is set via keyMode option)
+      bind Escape copy-mode
+      unbind [
+      unbind p
+      bind p paste-buffer
+      bind -Tcopy-mode-vi v send -X begin-selection
+      bind -Tcopy-mode-vi y send -X copy-selection
+      bind -Tcopy-mode-vi Escape send -X cancel
+
+      # Pane splitting (using current path)
+      bind - split-window -v -c "#{pane_current_path}"
+      bind | split-window -h -c "#{pane_current_path}"
+      bind C-z resize-pane -Z
+      bind g swap-pane -U
+      bind æ swap-pane -D
+
+      # Smart pane switching with awareness of Vim splits
+      # See: https://github.com/christoomey/vim-tmux-navigator
+      is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
+          | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
+      bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
+      bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
+      bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
+      bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l'  'select-pane -R'
+
+      # Alt + hjkl for resizing (with vim awareness)
+      bind -n 'M-h' if-shell "$is_vim" 'send-keys M-h' 'resize-pane -L 1'
+      bind -n 'M-j' if-shell "$is_vim" 'send-keys M-j' 'resize-pane -D 1'
+      bind -n 'M-k' if-shell "$is_vim" 'send-keys M-k' 'resize-pane -U 1'
+      bind -n 'M-l' if-shell "$is_vim" 'send-keys M-l' 'resize-pane -R 1'
+
+      # Version-specific bindings for C-\
+      tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
+      if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
+          "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
+      if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
+          "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"
+
+      # Copy mode pane switching
+      bind-key -T copy-mode-vi 'C-h' select-pane -L
+      bind-key -T copy-mode-vi 'C-j' select-pane -D
+      bind-key -T copy-mode-vi 'C-k' select-pane -U
+      bind-key -T copy-mode-vi 'C-l' select-pane -R
+      bind-key -T copy-mode-vi 'C-\' select-pane -l
+
+      # Utils - lazygit popup
+      bind -r g display-popup -d '#{pane_current_path}' -w80% -h80% -E lazygit
+    '';
+  };
+}