watir鼠標點擊事件

#named as MouseClick.rb

require 'watir'
require 'Win32API'
module Watir
  class Element
    def top_edge
      assert_exists
      assert_enabled
      ole_object.getBoundingClientRect.top.to_i
    end

    def top_edge_absolute
      top_edge + page_container.document.parentWindow.screenTop.to_i
    end

    def left_edge
      assert_exists
      assert_enabled
      ole_object.getBoundingClientRect.left.to_i
    end

    def left_edge_absolute
      left_edge + page_container.document.parentWindow.screenLeft.to_i
    end

    #功能說明：
    #- 模擬點擊鼠標右鍵
    #
    #參數說明：
    #- 無
    #
    #調用示例：
    #-require 'MouseClick.rb'
    #- ie.button(:name,"name").right_click
    #
    #返回值說明：
    #-  無
    def right_click
      x = left_edge_absolute
      y = top_edge_absolute
      #puts "x: #{x}, y: #{y}"
      WindowsInput.move_mouse(x, y)
      WindowsInput.right_click
    end

    #功能說明：
    #- 模擬點擊鼠標左鍵
    #
    #參數說明：
    #- 無
    #
    #調用示例：
    #-require 'MouseClick.rb'
    #-ie.button(:name,"name").left_click
    #
    #返回值說明：
    #-  無
    def left_click
      x = left_edge_absolute
      y = top_edge_absolute
      #puts "x: #{x}, y: #{y}"
      # need some extra push to get the cursor in the right area
      WindowsInput.move_mouse(x + 2, y + 2)
      WindowsInput.left_click
    end
    def left_move
      x = left_edge_absolute
      y = top_edge_absolute
      #puts "x: #{x}, y: #{y}"
      # need some extra push to get the cursor in the right area
      WindowsInput.move_mouse(x + 2, y + 2)
      
    end
    
  end
end

module WindowsInput
  # Windows API functions
  SetCursorPos = Win32API.new('user32','SetCursorPos', 'II', 'I')
  SendInput = Win32API.new('user32','SendInput', 'IPI', 'I')
  # Windows API constants
  INPUT_MOUSE = 0
  MOUSEEVENTF_LEFTDOWN = 0x0002
  MOUSEEVENTF_LEFTUP = 0x0004
  MOUSEEVENTF_RIGHTDOWN = 0x0008
  MOUSEEVENTF_RIGHTUP = 0x0010

  module_function

  def send_input(inputs)
    n = inputs.size
    ptr = inputs.collect {|i| i.to_s}.join # flatten arrays into single string
    SendInput.call(n, ptr, inputs[0].size)
  end

  def create_mouse_input(mouse_flag)
    mi = Array.new(7, 0)
    mi[0] = INPUT_MOUSE
    mi[4] = mouse_flag
    mi.pack('LLLLLLL') # Pack array into a binary sequence usable to SendInput
  end

  def move_mouse(x, y)
    SetCursorPos.call(x, y)
  end

  def right_click
    rightdown = create_mouse_input(MOUSEEVENTF_RIGHTDOWN)
    rightup = create_mouse_input(MOUSEEVENTF_RIGHTUP)
    send_input( [rightdown, rightup] )
  end

  def left_click
    leftdown = create_mouse_input(MOUSEEVENTF_LEFTDOWN)
    leftup = create_mouse_input(MOUSEEVENTF_LEFTUP)
    send_input( [leftdown, leftup] )
  end
end

通過以上代碼可以擴展watir的方法，使用時只需要require  MouseClick，watir中所有的元素都可以直接使用left_click或者right_click函數