[hammerspoon] Add mash shortcuts for throwing windows to the left and right

.hammerspoon/init.lua

@@ -1,3 +1,7 @@
+local mash = {"cmd", "alt", "ctrl"}
+
+-- Application shortcuts
+
 hs.hotkey.bind({"cmd", "shift"}, "{", function()
   current_app():selectMenuItem({"Window", "Select Previous Tab"})
 end)
@@ -6,6 +10,34 @@ hs.hotkey.bind({"cmd", "shift"}, "}", function()
   current_app():selectMenuItem({"Window", "Select Previous Tab"})
 end)
 
+-- Window management
+
+hs.hotkey.bind(mash, "h", function()
+  local win = hs.window.focusedWindow()
+  local f = win:frame()
+  local screen = win:screen()
+  local max = screen:frame()
+
+  f.x = max.x
+  f.y = max.y
+  f.w = max.w / 2
+  f.h = max.h
+  win:setFrame(f)
+end)
+
+hs.hotkey.bind(mash, "l", function()
+  local win = hs.window.focusedWindow()
+  local f = win:frame()
+  local screen = win:screen()
+  local max = screen:frame()
+
+  f.x = max.x + (max.w / 2)
+  f.y = max.y
+  f.w = max.w / 2
+  f.h = max.h
+  win:setFrame(f)
+end)
+
 function current_app()
   return hs.window.application()
 end