Hammer Spoon windows management

WindowsManagement.lua

require("hs.ipc")

--- ==========================================
--- Window Management
--- ==========================================
-- ctrl+option+left resizes window to left half of screen
hs.hotkey.bind({'ctrl', 'option'}, "Left", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()
    local target_w_half = math.floor(max.w / 2)
    local target_w_third = math.floor(max.w / 3)
    local target_w_two_thirds = math.floor(max.w * 2 / 3)

    f.x = max.x
    f.y = max.y

    if f.w == target_w_half then
      f.w = target_w_third
    elseif f.w == target_w_third then
      f.w = target_w_two_thirds
    else
      f.w = target_w_half
    end
    f.h = max.h
    win:setFrame(f, 0)
end)

-- ctrl+option+right resizes window to right half of screen
hs.hotkey.bind({'ctrl', 'option'}, "Right", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    local target_w_half = math.floor(max.w / 2)
    local target_w_third = math.floor(max.w / 3)
    local target_w_two_thirds = math.floor(max.w * 2 / 3)

    f.y = max.y
    if f.w == target_w_half and f.x == max.x + (max.w / 2) then
      f.x = max.x + (max.w - target_w_third)
      f.w = target_w_third
    elseif f.w == target_w_third then
      f.x = max.x + (max.w - target_w_two_thirds)
      f.w = target_w_two_thirds
    else
      f.x = max.x + target_w_half
      f.w = target_w_half
    end
    f.h = max.h
    win:setFrame(f, 0)
end)

-- ctrl+option+j resizes window to fill screen
hs.hotkey.bind({'ctrl', 'option'}, "j", 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
    f.h = max.h
    win:setFrame(f, 0)
end)

-- ctrl+option+, centers window and toggles between 1280x720 and full vertical height
hs.hotkey.bind({'ctrl', 'option'}, ",", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()
    local h = 748

    if f.w == 1280 and f.h == h then
      f.x = max.x + (max.w / 4)
      f.w = max.w / 2
      f.y = max.y
      f.h = max.h
    elseif f.w == max.w / 2 and f.x == max.x + (max.w / 4)then
      f.w = 1280
      f.h = h
      f.x = max.x + ((max.w - f.w) / 2)
      f.y = max.y + ((max.h - f.h) / 2)
    else
      f.x = max.x + (max.w / 4)
      f.w = max.w / 2
      f.y = max.y
      f.h = max.h
    end
    win:setFrame(f, 0)
end)

-- ctrl+option+up sends window to next screen
hs.hotkey.bind({'ctrl', 'option'}, "Up", function()
    local win = hs.window.focusedWindow()
    win:moveToScreen(win:screen():previous(), 0)
end)

-- ctrl+option+down sends window to prev screen
hs.hotkey.bind({'ctrl', 'option'}, "Down", function()
    local win = hs.window.focusedWindow()
    win:moveToScreen(win:screen():next(), 0)
end)