hammerspoon application toggler

config

# ~/.config/ghostty/config

theme = shades-of-purple
background = #1f1f1f
foreground = #ffffff
cursor-color = #ffffff
selection-foreground = #000000
selection-background = #eeeeee
bold-is-bright = true
font-feature = -calt

keybind = alt+right=esc:f
keybind = alt+left=esc:b
keybind = super+right=text:\x05
keybind = super+left=text:\x01
keybind = alt+backspace=text:\x1b\x7f
keybind = alt+delete=esc:d
keybind = super+backspace=text:\x15
keybind = super+delete=text:\x0b

keybind = ctrl+alt+left=goto_split:left
keybind = ctrl+alt+right=goto_split:right
keybind = super+alt+left=previous_tab
keybind = super+alt+right=next_tab

macos-titlebar-style = transparent
focus-follows-mouse = true

init.lua

-- File: ~/.hammerspoon/init.lua
-- This hammerspoon config enables the possibility of using both normal keys and system keys to toggle applications

function create_hotkeys_service()
  local service = { event_handlers = {} }

  function service.bind_hotkey(modifiers, key, action)

    if hs.keycodes.map[key] then
      hs.hotkey.bind(modifiers, key, action)
      return
    end

    local down = true
    local flags = {}
    for i,mod in pairs(modifiers) do
      flags[mod] = true
    end

    if(service.event_handlers[key] == nil) then
      service.event_handlers[key] = {}
    end

    table.insert(service.event_handlers[key], {down, modifiers, action})
  end

  function service.start()
    service.proc = hs.eventtap.new({hs.eventtap.event.types.systemDefined}, function(event)
      local system_key = event:systemKey()
      local event_modifiers = event:getFlags()

      local handlers = service.event_handlers[system_key.key]
      if handlers then
        for i,handler in pairs(handlers) do
          local handler_down = handler[1]
          local handler_mods = handler[2]
          local handler_action = handler[3]
          if system_key.down == handler_down and event_modifiers:containExactly(handler_mods) then
            handler_action()
          end
        end
      end
    end)
    service.proc:start()
  end

  return service
end

function create_application_service()
  local application = {}
  function application.toggle_app(app)
    local app = hs.application.get(app)
    if app then
        if not app:mainWindow() then
            app:selectMenuItem({app, "New OS window"})
        elseif app:isFrontmost() then
            app:hide()
        else
            app:activate()
        end
    else
        hs.application.launchOrFocus(app)
    end
  end
  return application
end

mac = {
  hotkeys = create_hotkeys_service(),
  application = create_application_service(),
}

mac.hotkeys.bind_hotkey({"cmd"}, "PLAY", function() mac.application.toggle_app('Spotify') end)
mac.hotkeys.bind_hotkey({},      "§",    function() mac.application.toggle_app("Ghostty") end)
mac.hotkeys.bind_hotkey({"cmd"}, "§",    function() mac.application.toggle_app("Google Chrome") end)
mac.hotkeys.bind_hotkey({"cmd"}, "M",    function() mac.application.toggle_app("Mail") end)
mac.hotkeys.bind_hotkey({"cmd"}, ".",    function() mac.application.toggle_app("Zed") end)

mac.hotkeys.start()

keybindings.json

[
    {
        "key": "alt+cmd+-",
        "command": "editor.action.jumpToBracket",
        "when": "editorTextFocus"
    },
    {
        "key": "shift+alt+cmd+-",
        "command": "editor.action.selectToBracket"
    }
]

kitty.conf

font_size 13.0
font_family      JetBrainsMonoNL Nerd Font Mono Regular
bold_font        JetBrainsMonoNL Nerd Font Mono ExtraBold
italic_font      JetBrainsMonoNL Nerd Font Mono Regular Italic
bold_italic_fon  JetBrainsMonoNL Nerd Font Mono ExtraBold Italic

window_padding_width 2
draw_minimal_borders yes
hide_window_decorations titlebar-only
map cmd+c copy_or_interrupt

map ctrl+shift+- no_op
map ctrl+shift++ no_op

background #1f1f1f

settings.json

// Zed settings
//
// For information on how to configure Zed, see the Zed
// documentation: https://zed.dev/docs/configuring-zed
//
// To see all of Zed's default settings without changing your
// custom settings, run the `zed: Open Default Settings` command
// from the command palette
{
  "ui_font_size": 14,
  "buffer_font_size": 12,
  "theme": {
    "mode": "system",
    "light": "One Light",
    "dark": "monokai Darker (Filter Spectrum)"
  },
  "ui_font_family": "JetBrainsMono Nerd Font Mono",
  "buffer_font_family": "JetBrainsMono Nerd Font Mono",
  "buffer_font_features": {
    "calt": false
  },
  "format_on_save": "off",
  "experimental.theme_overrides": {
    "modified": "#ffe931",
    "text.muted": "#dddddd",
    "ignored": "#888888",
    "surface.background": "#1d1d1d",
    "tab_bar.background": "#222222",
    "status_bar.background": "#222222",
    "title_bar.background": "#222222",
    "tab.inactive_background": "#151515",
    "version_control.modified": "#265ba2",
    "version_control.added": "#4fa253",
    "editor.document_highlight.write_background": "#235493ff",
    "editor.document_highlight.bracket_background": "#235493ff",
    "editor.highlighted_line.background": "#235493ff"
  },
  "preview_tabs": {
    "enabled": true,
    "enable_preview_from_code_navigation": true
  },
  "lsp": {
    "rust-analyzer": {
      "initialization_options": {
        "profile": {
          "enable": true,
          "output_file": "~/tmp/rust-analyzer.profile"
        }
      }
    }
  },
  "languages": {
    "Assembly": {
      "enable_language_server": false
    }
  },
  "diagnostics": {
    "include_warnings": false,
    "inline": {
      "enabled": true,
      "update_debounce_ms": 150,
      "padding": 4,
      "min_column": 0,
      "max_severity": null
    }
  }
}