dotfiles/.config/wezterm/wezterm.lua.cgt

;<! tmpl:setPostProcessor(opt.fennelCompile) !>
; vim: filetype=fennel

(local wt (require :wezterm))

(macro kmap [key mods act args]
  (if args
      `{:key ,key :mods ,mods :action ((. wt :action ,act) ,args)}
      `{:key ,key :mods ,mods :action (. wt :action ,act)}))

(var keys [;; splitting
           (kmap :s :LEADER :SplitVertical {})
           (kmap :v :LEADER :SplitHorizontal {})
           ;; tabs
           (kmap :t :CTRL|SHIFT :SpawnTab :CurrentPaneDomain)
           (kmap :t :CTRL :ActivateTabRelative 1)
           ;; font size
           (kmap "+" :CTRL :IncreaseFontSize)
           (kmap "-" :CTRL :DecreaseFontSize)
           ;; moving panes
           (kmap :r :LEADER :RotatePanes :Clockwise)
           (kmap :m :LEADER :PaneSelect {:mode :SwapWithActive})
           ;; scrolling
           (kmap :PageUp :ALT :ScrollByPage -1)
           (kmap :PageDown :ALT :ScrollByPage 1)
           ;; copying
           (kmap :C :CTRL|SHIFT :CopyTo :ClipboardAndPrimarySelection)
           (kmap :V :CTRL|SHIFT :PasteFrom :Clipboard)
           ;; copy mode
           (kmap :y :LEADER :ActivateCopyMode)
           ;; command palette
           (kmap :p :LEADER :ActivateCommandPalette)])

(local directions [[:h :Left] [:j :Down] [:k :Up] [:l :Right]])

(each [_ dir (ipairs directions)]
  (let [(dir-key dir-name) (table.unpack dir)]
    ;; switching panes
    (table.insert keys (kmap dir-key :ALT :ActivatePaneDirection dir-name))
    ;; resize double in horizontal directions so the absolute amounts are constant
    (local resize-amt (if (or (= dir-name :Up) (= dir-name :Down)) 2 4))
    (table.insert keys (kmap dir-key :ALT|SHIFT :AdjustPaneSize
                             [dir-name resize-amt]))))

{:default_prog [:fish]
 :color_scheme "Dracula (Official)"
 :font (wt.font "<% opt.term_font %>")
 :warn_about_missing_glyphs false
 :window_background_opacity 0.8
 :disable_default_key_bindings true
 :leader {:key :a :mods :CTRL :timeout_milliseconds 2000}
 : keys}