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

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;<! tmpl:setPostProcessor(opt.fennelCompile) !>
;<! local shell = opt.system "mzteinitctl getenv SHELL" -- get shell from MZTEINIT daemon !>
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; vim: filetype=fennel
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(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)}))
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(var keys [;; splitting
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(kmap :s :LEADER :SplitVertical {})
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(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)
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(kmap :V :CTRL|SHIFT :PasteFrom :Clipboard)
;; copy mode
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(kmap :y :LEADER :ActivateCopyMode)
;; command palette
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(kmap :p :LEADER :ActivateCommandPalette)
;; search mode
(kmap :t :LEADER :Search :CurrentSelectionOrEmptyString)])
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(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]))))
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(fn on-format-tab-title [tab tabs panes config hover max_width]
(let [title (if (and tab.tab_title (> (length tab.tab_title) 0))
tab.tab_title tab.active_pane.title)
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bg (fn [t h] (if t.is_active :#<% opt.catppuccin.mauve %> (if h :#<% opt.catppuccin.surface1 %> :#<% opt.catppuccin.surface0 %>)))
fg (fn [t] (if t.is_active :#<% opt.catppuccin.mantle %> :#<% opt.catppuccin.text %>))
not-first? (~= tab.tab_index 0)
last? (= tab.tab_index (- (length tabs) 1))
deco-len (+ 2
(if not-first? 1 0)
(if last? 2 0))
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elems []]
;; first tab
(when (~= tab.tab_index 0)
(table.insert elems {:Foreground {:Color (bg (. tabs tab.tab_index) false)}})
(table.insert elems {:Background {:Color (bg tab hover)}})
(table.insert elems {:Text ""}))
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(table.insert elems {:Background {:Color (bg tab hover)}})
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(table.insert elems {:Foreground {:Color (fg tab)}})
(table.insert elems {:Text (.. " " (string.sub title 1 (math.min (- max_width deco-len) (length title))) " ")})
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;; last tab
(when (= tab.tab_index (- (length tabs) 1))
(table.insert elems {:Foreground {:Color (bg tab hover)}})
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(table.insert elems {:Background {:Color :#<% opt.catppuccin.surface1 %>}}) ;; color of new tab button
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(table.insert elems {:Text " "}))
elems))
(wt.on :format-tab-title on-format-tab-title)
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(fn new-tab-button [hover]
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(let [bg (if hover :#<% opt.catppuccin.blue %> :#<% opt.catppuccin.surface1 %>)]
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(wt.format [{:Background {:Color bg}}
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{:Foreground {:Color :#<% opt.catppuccin.text %>}}
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{:Text "  "}
{:Foreground {:Color bg}}
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{:Background {:Color :#<% opt.catppuccin.crust %>}}
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{:Text ""}])))
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{:default_prog ["<% shell %>"]
:color_scheme "Catppuccin Mocha"
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:font (wt.font "<% opt.term_font %>")
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:warn_about_missing_glyphs false
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:window_background_opacity 0.8
:disable_default_key_bindings true
:leader {:key :a :mods :CTRL :timeout_milliseconds 2000}
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:adjust_window_size_when_changing_font_size false ;; this breaks on tiling WMs
:cursor_blink_ease_in :Constant
:cursor_blink_ease_out :Constant
:check_for_updates false ;; WTF
:use_fancy_tab_bar false
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:tab_bar_style {:new_tab (new-tab-button false) :new_tab_hover (new-tab-button true)}
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:tab_max_width 128
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;; BULLSHIT: WezTerm by default sets $SHELL to the login shell.
;; This is justified by the fact that some users are too incompetent to
;; relog after chaning their login shell. WezTerm is fixing a very rare (and basic)
;; user error while compromising the experience of advanced users.
;; See https://github.com/wez/wezterm/issues/4168
:set_environment_variables {:SHELL "<% shell %>"}
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:enable_wayland false ;; WL is completely broken
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: keys}