ruby编写的简单计算器
用wxruby编写的一个简单的图形界面计算器：1.初步实现了+ - × / 平方根的功能
2.MC MR MS M+功能没有做
目前功能都比较简单，还有许多功能需要优化，供初学者交流
代码begin
require 'rubygems'
rescue LoadError
end
require 'wx'
include Wx
$op_x = ""
$op_y = ""
$result = 0
$operator = nil
$point_flag = nil
class CacuFrame < Frame
#��ʼ������
def initialize()
super(nil, -1, 'Caculator', :size => , :style => MINIMIZE_BOX|SYSTEM_MENU|CAPTION|CLOSE_BOX|CLIP_CHILDREN)
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@my_panel = Panel.new(self)
@my_textbox = TextCtrl.new(@my_panel, -1, '0', :size => )
@button_num1 = Button.new(@my_panel, -1, '1',Point.new(80,220), Size.new(50,50))
evt_button(@button_num1.get_id()) {|event| num1_button_click(event)}
@button_num2 = Button.new(@my_panel, -1, '2',Point.new(140,220), Size.new(50,50))
evt_button(@button_num2.get_id()) {|event| num2_button_click(event)}
@button_num3 = Button.new(@my_panel, -1, '3',Point.new(200,220), Size.new(50,50))
evt_button(@button_num3.get_id()) {|event| num3_button_click(event)}
@button_num4 = Button.new(@my_panel, -1, '4',Point.new(80,160), Size.new(50,50))
evt_button(@button_num4.get_id()) {|event| num4_button_click(event)}
@button_num5 = Button.new(@my_panel, -1, '5',Point.new(140,160), Size.new(50,50))
evt_button(@button_num5.get_id()) {|event| num5_button_click(event)}
@button_num6 = Button.new(@my_panel, -1, '6',Point.new(200,160), Size.new(50,50))
evt_button(@button_num6.get_id()) {|event| num6_button_click(event)}
@button_num7 = Button.new(@my_panel, -1, '7',Point.new(80,100), Size.new(50,50))
evt_button(@button_num7.get_id()) {|event| num7_button_click(event)}
@button_num8 = Button.new(@my_panel, -1, '8',Point.new(140,100), Size.new(50,50))
evt_button(@button_num8.get_id()) {|event| num8_button_click(event)}
@button_num9 = Button.new(@my_panel, -1, '9',Point.new(200,100), Size.new(50,50))
evt_button(@button_num9.get_id()) {|event| num9_button_click(event)}
@button_num0 = Button.new(@my_panel, -1, '0',Point.new(80,280), Size.new(110,50))
evt_button(@button_num0.get_id()) {|event| num0_button_click(event)}
@button_clear = Button.new(@my_panel, -1, 'C',Point.new(20,40), Size.new(50,50))
evt_button(@button_clear.get_id()) {|event| clear_button_click(event)}
@button_back = Button.new(@my_panel, -1, '<--',Point.new(80,40), Size.new(50,50))
evt_button(@button_back.get_id()) {|event| back_button_click(event)}
@button_squ = Button.new(@my_panel, -1, '^0.5',Point.new(140,40), Size.new(50,50))
evt_button(@button_squ.get_id()) {|event| squ_button_click(event)}
@button_div = Button.new(@my_panel, -1, '/',Point.new(200,40), Size.new(50,50))
evt_button(@button_div.get_id()) {|event| div_button_click(event)}
@button_mul = Button.new(@my_panel, -1, 'X',Point.new(260,40), Size.new(50,50))
evt_button(@button_mul.get_id()) {|event| mul_button_click(event)}
@button_subtract = Button.new(@my_panel, -1, '-',Point.new(260,100), Size.new(50,50))
evt_button(@button_subtract.get_id()) {|event| subtract_button_click(event)}
@button_add = Button.new(@my_panel, -1, '+',Point.new(260,160), Size.new(50,50))
evt_button(@button_add.get_id()) {|event| add_button_click(event)}
@button_result = Button.new(@my_panel, -1, '=',Point.new(260,220), Size.new(50,110))
evt_button(@button_result.get_id()) {|event| result_button_click(event)}
@button_point = Button.new(@my_panel, -1, '.',Point.new(200,280), Size.new(50,50))
evt_button(@button_point.get_id()) {|event| point_button_click(event)}
@button_MC = Button.new(@my_panel, -1, 'MC',Point.new(20,100), Size.new(50,50))
@button_MR = Button.new(@my_panel, -1, 'MR',Point.new(20,160), Size.new(50,50))
@button_MS = Button.new(@my_panel, -1, 'MS',Point.new(20,220), Size.new(50,50))
@button_Madd = Button.new(@my_panel, -1, 'M+',Point.new(20,280), Size.new(50,50))
#�����
@my_panel_sizer = BoxSizer.new(VERTICAL)
@my_panel.set_sizer(@my_panel_sizer)
@my_panel.sizer.add(@my_textbox, 0, GROW|ALL, 2)
show()
end
def num1_button_click(event)
if $operator != nil
$op_y << "1"
@my_textbox.set_value($op_y)
else
$op_x << "1"
@my_textbox.set_value($op_x)
end
end
def num2_button_click(event)
if $operator != nil
$op_y << "2"
@my_textbox.set_value($op_y)
else
$op_x << "2"
@my_textbox.set_value($op_x)
end
end
def num3_button_click(event)
if $operator != nil
$op_y << "3"
@my_textbox.set_value($op_y)
else
$op_x << "3"
@my_textbox.set_value($op_x)
end
end
def num4_button_click(event)
if $operator != nil
$op_y << "4"
@my_textbox.set_value($op_y)
else
$op_x << "4"
@my_textbox.set_value($op_x)
end
end
def num5_button_click(event)
if $operator != nil
$op_y << "5"
@my_textbox.set_value($op_y)
else
$op_x << "5"
@my_textbox.set_value($op_x)
end
end
def num6_button_click(event)
if $operator != nil
$op_y << "6"
@my_textbox.set_value($op_y)
else
$op_x << "6"
@my_textbox.set_value($op_x)
end
end
def num7_button_click(event)
if $operator != nil
$op_y << "7"
@my_textbox.set_value($op_y)
else
$op_x << "7"
@my_textbox.set_value($op_x)
end
end
def num8_button_click(event)
if $operator != nil
$op_y << "8"
@my_textbox.set_value($op_y)
else
$op_x << "8"
@my_textbox.set_value($op_x)
end
end
def num9_button_click(event)
if $operator != nil
$op_y << "9"
@my_textbox.set_value($op_y)
else
$op_x << "9"
@my_textbox.set_value($op_x)
end
end
def num0_button_click(event)
if $operator != nil
$op_y << "0"
@my_textbox.set_value($op_y)
else
$op_x << "0"
@my_textbox.set_value($op_x)
end
end
def squ_button_click(event)
if $operator != nil
if ($op_y.to_f >= 0)
$op_y = Math.sqrt($op_y.to_f).to_s
else
$op_y = (-Math.sqrt($op_y.to_f.abs)).to_s
end
@my_textbox.set_value($op_y)
else
if ($op_x.to_f >= 0)
$op_x = Math.sqrt($op_x.to_f).to_s
else
$op_x = (-Math.sqrt($op_x.to_f.abs)).to_s
end
@my_textbox.set_value($op_x)
end
end
def clear_button_click(event)
$op_x = ""
$op_y = ""
$result = 0
$operator = nil
$point_flag = nil
@my_textbox.set_value("0")
end
def back_button_click(event)
if $operator != nil
$op_y = $op_y.chop
@my_textbox.set_value($op_y)
else
$op_x = $op_x.chop
@my_textbox.set_value($op_x)
end
end
def point_button_click(event)
str = /\./
if $operator != nil
if ( ( $op_y =~ str ) == nil )
$op_y << "."
@my_textbox.set_value($op_y)
end
else
if ( ($op_x =~ str) == nil )
$op_x << "."
@my_textbox.set_value($op_x)
end
end
end
def div_button_click(event)
$operator = "/"
$point_flag = nil
end
def mul_button_click(event)
$operator = "X"
$point_flag = nil
end
def subtract_button_click(event)
$operator = "-"
$point_flag = nil
end
def add_button_click(event)
$operator = "+"
$point_flag = nil
end
def result_button_click(event)
case $operator
when "+":
$result = $op_x.to_f + $op_y.to_f
when "-":
$result = $op_x.to_f - $op_y.to_f
when "X":
$result = $op_x.to_f * $op_y.to_f
when "/":
$result = $op_x.to_f / $op_y.to_f
else
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err_info = MessageDialog.new(nil,"error happen!", "error info")
err_info.show_modal()
end
#��ʾ������
@my_textbox.set_value("#{$result}")
#�������������ֵ��op_x,op_y����
$op_x = $result.to_s
$op_y = ""
$operator = nil
$point_flag = nil
end
end
class CacuApp < App
def on_init
CacuFrame.new
end
end
CacuApp.new.main_loop()caculator.rbbegin
require 'rubygems'
rescue LoadError
end
require 'wx'
include Wx
$op_x = ""
$op_y = ""
$result = 0
$operator = nil
$point_flag = nil
class CacuFrame < Frame
#��ʼ������
def initialize()
super(nil, -1, 'Caculator', :size => , :style => MINIMIZE_BOX|SYSTEM_MENU|CAPTION|CLOSE_BOX|CLIP_CHILDREN)
#�����������ؼ��������ť�¼�
@my_panel = Panel.new(self)
@my_textbox = TextCtrl.new(@my_panel, -1, '0', :size => )
@button_num1 = Button.new(@my_panel, -1, '1',Point.new(80,220), Size.new(50,50))
evt_button(@button_num1.get_id()) {|event| num1_button_click(event)}
@button_num2 = Button.new(@my_panel, -1, '2',Point.new(140,220), Size.new(50,50))
evt_button(@button_num2.get_id()) {|event| num2_button_click(event)}
@button_num3 = Button.new(@my_panel, -1, '3',Point.new(200,220), Size.new(50,50))
evt_button(@button_num3.get_id()) {|event| num3_button_click(event)}
@button_num4 = Button.new(@my_panel, -1, '4',Point.new(80,160), Size.new(50,50))
evt_button(@button_num4.get_id()) {|event| num4_button_click(event)}
@button_num5 = Button.new(@my_panel, -1, '5',Point.new(140,160), Size.new(50,50))
evt_button(@button_num5.get_id()) {|event| num5_button_click(event)}
@button_num6 = Button.new(@my_panel, -1, '6',Point.new(200,160), Size.new(50,50))
evt_button(@button_num6.get_id()) {|event| num6_button_click(event)}
@button_num7 = Button.new(@my_panel, -1, '7',Point.new(80,100), Size.new(50,50))
evt_button(@button_num7.get_id()) {|event| num7_button_click(event)}
@button_num8 = Button.new(@my_panel, -1, '8',Point.new(140,100), Size.new(50,50))
evt_button(@button_num8.get_id()) {|event| num8_button_click(event)}
@button_num9 = Button.new(@my_panel, -1, '9',Point.new(200,100), Size.new(50,50))
evt_button(@button_num9.get_id()) {|event| num9_button_click(event)}
@button_num0 = Button.new(@my_panel, -1, '0',Point.new(80,280), Size.new(110,50))
evt_button(@button_num0.get_id()) {|event| num0_button_click(event)}
@button_clear = Button.new(@my_panel, -1, 'C',Point.new(20,40), Size.new(50,50))
evt_button(@button_clear.get_id()) {|event| clear_button_click(event)}
@button_back = Button.new(@my_panel, -1, '<--',Point.new(80,40), Size.new(50,50))
evt_button(@button_back.get_id()) {|event| back_button_click(event)}
@button_squ = Button.new(@my_panel, -1, '^0.5',Point.new(140,40), Size.new(50,50))
evt_button(@button_squ.get_id()) {|event| squ_button_click(event)}
@button_div = Button.new(@my_panel, -1, '/',Point.new(200,40), Size.new(50,50))
evt_button(@button_div.get_id()) {|event| div_button_click(event)}
@button_mul = Button.new(@my_panel, -1, 'X',Point.new(260,40), Size.new(50,50))
evt_button(@button_mul.get_id()) {|event| mul_button_click(event)}
@button_subtract = Button.new(@my_panel, -1, '-',Point.new(260,100), Size.new(50,50))
evt_button(@button_subtract.get_id()) {|event| subtract_button_click(event)}
@button_add = Button.new(@my_panel, -1, '+',Point.new(260,160), Size.new(50,50))
evt_button(@button_add.get_id()) {|event| add_button_click(event)}
@button_result = Button.new(@my_panel, -1, '=',Point.new(260,220), Size.new(50,110))
evt_button(@button_result.get_id()) {|event| result_button_click(event)}
@button_point = Button.new(@my_panel, -1, '.',Point.new(200,280), Size.new(50,50))
evt_button(@button_point.get_id()) {|event| point_button_click(event)}
@button_MC = Button.new(@my_panel, -1, 'MC',Point.new(20,100), Size.new(50,50))
@button_MR = Button.new(@my_panel, -1, 'MR',Point.new(20,160), Size.new(50,50))
@button_MS = Button.new(@my_panel, -1, 'MS',Point.new(20,220), Size.new(50,50))
@button_Madd = Button.new(@my_panel, -1, 'M+',Point.new(20,280), Size.new(50,50))
#�����
@my_panel_sizer = BoxSizer.new(VERTICAL)
@my_panel.set_sizer(@my_panel_sizer)
@my_panel.sizer.add(@my_textbox, 0, GROW|ALL, 2)
show()
end
def num1_button_click(event)
if $operator != nil
$op_y << "1"
@my_textbox.set_value($op_y)
else
$op_x << "1"
@my_textbox.set_value($op_x)
end
end
def num2_button_click(event)
if $operator != nil
$op_y << "2"
@my_textbox.set_value($op_y)
else
$op_x << "2"
@my_textbox.set_value($op_x)
end
end
def num3_button_click(event)
if $operator != nil
$op_y << "3"
@my_textbox.set_value($op_y)
else
$op_x << "3"
@my_textbox.set_value($op_x)
end
end
def num4_button_click(event)
if $operator != nil
$op_y << "4"
@my_textbox.set_value($op_y)
else
$op_x << "4"
@my_textbox.set_value($op_x)
end
end
def num5_button_click(event)
if $operator != nil
$op_y << "5"
@my_textbox.set_value($op_y)
else
$op_x << "5"
@my_textbox.set_value($op_x)
end
end
def num6_button_click(event)
if $operator != nil
$op_y << "6"
@my_textbox.set_value($op_y)
else
$op_x << "6"
@my_textbox.set_value($op_x)
end
end
def num7_button_click(event)
if $operator != nil
$op_y << "7"
@my_textbox.set_value($op_y)
else
$op_x << "7"
@my_textbox.set_value($op_x)
end
end
def num8_button_click(event)
if $operator != nil
$op_y << "8"
@my_textbox.set_value($op_y)
else
$op_x << "8"
@my_textbox.set_value($op_x)
end
end
def num9_button_click(event)
if $operator != nil
$op_y << "9"
@my_textbox.set_value($op_y)
else
$op_x << "9"
@my_textbox.set_value($op_x)
end
end
def num0_button_click(event)
if $operator != nil
$op_y << "0"
@my_textbox.set_value($op_y)
else
$op_x << "0"
@my_textbox.set_value($op_x)
end
end
def squ_button_click(event)
if $operator != nil
if ($op_y.to_f >= 0)
$op_y = Math.sqrt($op_y.to_f).to_s
else
$op_y = (-Math.sqrt($op_y.to_f.abs)).to_s
end
@my_textbox.set_value($op_y)
else
if ($op_x.to_f >= 0)
$op_x = Math.sqrt($op_x.to_f).to_s
else
$op_x = (-Math.sqrt($op_x.to_f.abs)).to_s
end
@my_textbox.set_value($op_x)
end
end
def clear_button_click(event)
$op_x = ""
$op_y = ""
$result = 0
$operator = nil
$point_flag = nil
@my_textbox.set_value("0")
end
def back_button_click(event)
if $operator != nil
$op_y = $op_y.chop
@my_textbox.set_value($op_y)
else
$op_x = $op_x.chop
@my_textbox.set_value($op_x)
end
end
def point_button_click(event)
str = /\./
if $operator != nil
if ( ( $op_y =~ str ) == nil )
$op_y << "."
@my_textbox.set_value($op_y)
end
else
if ( ($op_x =~ str) == nil )
$op_x << "."
@my_textbox.set_value($op_x)
end
end
end
def div_button_click(event)
$operator = "/"
$point_flag = nil
end
def mul_button_click(event)
$operator = "X"
$point_flag = nil
end
def subtract_button_click(event)
$operator = "-"
$point_flag = nil
end
def add_button_click(event)
$operator = "+"
$point_flag = nil
end
def result_button_click(event)
case $operator
when "+":
$result = $op_x.to_f + $op_y.to_f
when "-":
$result = $op_x.to_f - $op_y.to_f
when "X":
$result = $op_x.to_f * $op_y.to_f
when "/":
$result = $op_x.to_f / $op_y.to_f
else
#�ϱ�������Ϣ����ݳ�ʼ��
err_info = MessageDialog.new(nil,"error happen!", "error info")
err_info.show_modal()
end
#��ʾ������
@my_textbox.set_value("#{$result}")
#�������������ֵ��op_x,op_y����
$op_x = $result.to_s
$op_y = ""
$operator = nil
$point_flag = nil
end
end
class CacuApp < App
def on_init
CacuFrame.new
end
end
CacuApp.new.main_loop()
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