def godot_window?(window)
  `xprop -id #{window} WM_CLASS`.downcase.include?("godot")
end

class Window
  attr_accessor :window_id, :floating, :workspace, :def_floating, :size, :x, :y, :width, :height

  def initialize(window_id, workspace)
    @size = 0
    @workspace = workspace
    @window_id = window_id
    geometry = X.get_geometry(window_id)
    @x = geometry[:x]
    @y = geometry[:y]
    @width = geometry[:width]
    @height = geometry[:height]
    wm_n_hints = X.get_wm_n_hints(window_id)
    @floating = godot_window?(window_id)
    @def_floating = @floating
    if wm_n_hints
      if fixed_size_or_aspect?(wm_n_hints)
        @floating = true
        @def_floating = true
        @width = wm_n_hints[:max_width]
        if wm_n_hints[:flags] & 128 != 0
          @height = wm_n_hints[:max_width] * (wm_n_hints[:min_aspect_num] / wm_n_hints[:min_aspect_den])
        else
          @height = wm_n_hints[:max_height]
        end
        @x = $monitors[@workspace.monitor_id][:width] / 2 - @width / 2
        @y = $monitors[@workspace.monitor_id][:height] / 2 - @height / 2
        apply_geometry!
      end
    end
    X.set_wm_state window_id, 1
    transient_for = X.get_wm_transient_for(window_id)
    if !transient_for.zero? && !godot_window?(window_id)
      @floating = true
      @def_floating = true
      @width = wm_n_hints[:max_width]
      if wm_n_hints[:flags] & 128 != 0
        @height = wm_n_hints[:max_width] * (wm_n_hints[:min_aspect_num] / wm_n_hints[:min_aspect_den])
      else
        @height = wm_n_hints[:max_height]
      end
      @x = $monitors[@workspace.monitor_id][:width] / 2 - @width / 2
      @y = $monitors[@workspace.monitor_id][:height] / 2 - @height / 2
      apply_geometry!
    end
    super()
  end

  def delete
    @workspace.remove self
  end

  def each_leaf(&block)
    block.call(self)
  end

  def toggle_floating
    if !@def_floating
      @floating = !@floating
      @workspace.check_floating self
      apply_geometry!
    end
  end

  def move(x, y)
    return unless @floating
    @x, @y = x, y
    apply_geometry!
  end

  def resize(width, height, force = false)
    return unless @floating
    @width, @height = width, height
    if !force
      @x = $monitors[@workspace.monitor_id][:width] / 2 - @width / 2
      @y = $monitors[@workspace.monitor_id][:height] / 2 - @height / 2
    end
    apply_geometry!
  end

  def apply_geometry!
    X.send_to_top @window_id if @floating
    X.move_window @window_id, @x, @y
    X.resize_window @window_id, @width, @height
  end
end