feat: hammerspoon with PaperWM and Swipe

.gitignore

@@ -29,7 +29,10 @@
 !modules/common/
 !modules/common/nushell/
 !modules/common/ssh/
+
 !modules/darwin/
+!modules/darwin/hammerspoon/
+
 !modules/linux/
 !modules/linux/hyprland/
 !modules/linux/restic/
@@ -40,6 +43,7 @@
 !flake.lock
 
 !*.age
+!*.lua
 !*.md
 !*.nix
 !*.nu

modules/darwin/hammerspoon/default.nix

@@ -0,0 +1,26 @@
+{ pkgs, ... }: {
+  home-manager.sharedModules = [{
+    home.file.".hammerspoon/Spoons/PaperWM.spoon" = {
+      recursive = true;
+
+      source = pkgs.fetchFromGitHub {
+        owner = "mogenson";
+        repo  = "PaperWM.spoon";
+        rev   = "41389206e739e6f48ea59ddcfc07254226f4c93f";
+        hash  = "sha256-O1Pis5udvh3PUYJmO+R2Aw11/udxk3v5hf2U9SzbeqI=";
+      };
+    };
+    home.file.".hammerspoon/Spoons/Swipe.spoon" = {
+      recursive = true;
+
+      source = pkgs.fetchFromGitHub {
+        owner = "mogenson";
+        repo  = "Swipe.spoon";
+        rev   = "c56520507d98e663ae0e1228e41cac690557d4aa";
+        hash  = "sha256-G0kuCrG6lz4R+LdAqNWiMXneF09pLI+xKCiagryBb5k=";
+      };
+    };
+
+    home.file.".hammerspoon/init.lua".source = ./init.lua;
+  }];
+}

modules/darwin/hammerspoon/init.lua

@@ -0,0 +1,171 @@
+---@type table
+_G.hs = _G.hs
+
+PaperWM = hs.loadSpoon("PaperWM")
+Swipe = hs.loadSpoon("Swipe")
+
+local windowResize = function(offsetWidth, offsetHeight)
+  local window = hs.window.focusedWindow()
+  if not window then return end
+
+  local window_frame = window:frame()
+  local screen_frame = window:screen():frame()
+
+  -- Adjust width
+  window_frame.w = window_frame.w + offsetWidth
+  window_frame.w = math.max(100, math.min(window_frame.w, screen_frame.w - window_frame.x))
+
+  -- Adjust height
+  window_frame.h = window_frame.h + offsetHeight
+  window_frame.h = math.max(100, math.min(window_frame.h, screen_frame.h - window_frame.y))
+
+  window:setFrame(window_frame)
+end
+
+local windowClose = function()
+  local window = hs.window.focusedWindow()
+
+  if not window then return end
+
+  window:close()
+end
+
+local spaceChange = function(offset)
+  local current_space = hs.spaces.activeSpaceOnScreen()
+  local spaces = hs.spaces.allSpaces()[hs.screen.mainScreen():getUUID()]
+
+  local current_index = nil
+  for space_index, space in ipairs(spaces) do
+    if space == current_space then
+      current_index = space_index
+      break
+    end
+  end
+
+  local next_index = current_index + offset
+  if next_index > #spaces then
+    next_index = 1
+  elseif next_index <= 0 then
+    next_index = #spaces
+  end
+
+  local next_space = spaces[next_index]
+
+  hs.spaces.gotoSpace(next_space)
+end
+
+do -- HOTKEYS
+  local super = { "cmd", "alt" }
+  local super_ctrl = { "cmd", "alt", "ctrl" }
+  local super_alt = { "cmd", "alt", "shift" }
+
+  hs.hotkey.bind(super, "left", PaperWM.actions.focus_left)
+  hs.hotkey.bind(super, "down", PaperWM.actions.focus_down)
+  hs.hotkey.bind(super, "up", PaperWM.actions.focus_up)
+  hs.hotkey.bind(super, "right", PaperWM.actions.focus_right)
+
+  hs.hotkey.bind(super, "h", PaperWM.actions.focus_left)
+  hs.hotkey.bind(super, "j", PaperWM.actions.focus_down)
+  hs.hotkey.bind(super, "k", PaperWM.actions.focus_up)
+  hs.hotkey.bind(super, "l", PaperWM.actions.focus_right)
+
+  hs.hotkey.bind(super_ctrl, "left", function() windowResize(-100, 0) end)
+  hs.hotkey.bind(super_ctrl, "down", function() windowResize(0, 100) end)
+  hs.hotkey.bind(super_ctrl, "up", function() windowResize(0, -100) end)
+  hs.hotkey.bind(super_ctrl, "right", function() windowResize(100, 0) end)
+
+  hs.hotkey.bind(super_ctrl, "h", function() windowResize(-100, 0) end)
+  hs.hotkey.bind(super_ctrl, "j", function() windowResize(0, 100) end)
+  hs.hotkey.bind(super_ctrl, "k", function() windowResize(0, -100) end)
+  hs.hotkey.bind(super_ctrl, "l", function() windowResize(100, 0) end)
+
+  hs.hotkey.bind(super, "tab", function() spaceChange(1) end)
+  hs.hotkey.bind(super_alt, "tab", function() spaceChange(-1) end)
+
+  for index = 1, 9 do
+    hs.hotkey.bind(super, tostring(index), PaperWM.actions["switch_space_" .. index])
+    hs.hotkey.bind(super_alt, tostring(index), PaperWM.actions["move_window_" .. index])
+  end
+
+  hs.hotkey.bind(super_alt, "left", PaperWM.actions.swap_left)
+  hs.hotkey.bind(super_alt, "down", PaperWM.actions.swap_down)
+  hs.hotkey.bind(super_alt, "up", PaperWM.actions.swap_up)
+  hs.hotkey.bind(super_alt, "right", PaperWM.actions.swap_right)
+
+  hs.hotkey.bind(super_alt, "h", PaperWM.actions.swap_left)
+  hs.hotkey.bind(super_alt, "j", PaperWM.actions.swap_down)
+  hs.hotkey.bind(super_alt, "k", PaperWM.actions.swap_up)
+  hs.hotkey.bind(super_alt, "l", PaperWM.actions.swap_right)
+
+  hs.hotkey.bind(super, "q", windowClose)
+  hs.hotkey.bind(super, "c", PaperWM.actions.center_window)
+  hs.hotkey.bind(super, "f", PaperWM.actions.full_width)
+  hs.hotkey.bind(super_alt, "f", PaperWM.actions.toggle_floating)
+
+  hs.hotkey.bind(super, "w", function() hs.application.launchOrFocus("Firefox") end)
+  hs.hotkey.bind(super, "return", function() hs.application.launchOrFocus("Ghostty") end)
+  hs.hotkey.bind(super, "t", function() hs.application.launchOrFocus("Finder") end)
+
+  PaperWM.swipe_fingers = 3
+  PaperWM.swipe_gain = 1.7
+
+  PaperWM:start()
+end
+
+do -- 3 FINGER VERTICAL SWIPE TO CHANGE SPACES
+  local current_id, threshold
+
+  Swipe:start(3, function(direction, distance, id)
+    if id ~= current_id then
+      current_id = id
+      threshold = 0.2 -- 20% of trackpad
+      return
+    end
+
+    if distance > threshold then
+      threshold = math.huge -- only trigger once per swipe
+
+      if direction == "up" then
+        spaceChange(1)
+      elseif direction == "down" then
+        spaceChange(-1)
+      end
+    end
+  end)
+end
+
+do -- SPACE BUTTONS
+  local space_buttons = {}
+
+  local updateSpaceButtons = function()
+    for _, button in pairs(space_buttons) do
+      button:delete()
+    end
+    space_buttons = {}
+
+    local current_space = hs.spaces.activeSpaceOnScreen()
+    local spaces = hs.spaces.allSpaces()[hs.screen.mainScreen():getUUID()]
+
+    for index = #spaces, 1, -1 do
+      local space = spaces[index]
+
+      local title = tostring(index)
+
+      local attributes = space == current_space and {
+        color = { red = 1 }
+      } or {}
+
+      local button = hs.menubar.new()
+      button:setTitle(hs.styledtext.new(title, attributes))
+      button:setClickCallback(function()
+        hs.spaces.gotoSpace(space)
+      end)
+
+      table.insert(space_buttons, button)
+    end
+  end
+
+  hs.spaces.watcher.new(updateSpaceButtons):start()
+
+  updateSpaceButtons()
+end