When I try to work with menus I get the following error message after
selecting “Red” from the colour menu. The following code produces the
following error message. What am I doing wrong and how do I fix it.
Thank you in advance.
- Philip
EtestApp.rb:57:in do_Red': undefined method ===>check’<==== for
109:Fixnum (NoMethodError)
from EtestApp.rb:34:in `initialize’
(now line 125)
Etest.rb
This class was automatically generated from XRC source. It is not
recommended that this file is edited directly; instead, inherit from
this class and extend its behaviour there.
Source file: Etest.xrc
Generated at: Sun Oct 11 20:05:09 -0600 2009
class EyesFrame < Wx::Frame
attr_reader :m_statictext7, :m_textrednumber, :m_statictext9,
:m_textgreennumber, :m_statictext11, :m_textbluenumber,
:m_buttonchange, :m_menubar1, :m_menu1, :m_miexit,
:m_menucolour, :m_mired, :m_migreen, :m_miblue,
:m_miwhite
def initialize(parent = nil)
super()
xml = Wx::XmlResource.get
xml.flags = 2 # Wx::XRC_NO_SUBCLASSING
xml.init_all_handlers
xml.load(“Etest.xrc”)
xml.load_frame_subclass(self, parent, “MyFrame”)
finder = lambda do | x |
int_id = Wx::xrcid(x)
begin
Wx::Window.find_window_by_id(int_id, self) || int_id
# Temporary hack to work around regression in 1.9.2; remove
# begin/rescue clause in later versions
rescue RuntimeError
int_id
end
end
@m_statictext7 = finder.call("m_staticText7")
@m_textrednumber = finder.call("m_textRedNumber")
@m_statictext9 = finder.call("m_staticText9")
@m_textgreennumber = finder.call("m_textGreenNumber")
@m_statictext11 = finder.call("m_staticText11")
@m_textbluenumber = finder.call("m_textBlueNumber")
@m_buttonchange = finder.call("m_buttonchange")
@m_menubar1 = finder.call("m_menubar1")
@m_menu1 = finder.call("m_menu1")
@m_miexit = finder.call("m_miexit")
@m_menucolour = finder.call("m_menuColour")
@m_mired = finder.call("m_miRed")
@m_migreen = finder.call("m_miGreen")
@m_miblue = finder.call("m_miBlue")
@m_miwhite = finder.call("m_miwhite")
if self.class.method_defined? "on_init"
self.on_init()
end
end
end
Etest.App.rb
begin
require ‘rubygems’
rescue LoadError
end
require ‘wx’
require ‘Etest.rb’
class AppFrame < EyesFrame
Inherit from the generated base class and set up event handlers
set up pen and brush colours
@red_value = 0
@green_value = 0
@blue_value = 0
Create Needed Brushes and Pens
BG_BRUSH = Wx::Brush.new
@fg_pen = Wx::Pen.new
@font = Wx::NULL_FONT
@text_colour = Wx::NULL_COLOUR
def initialize()
super()
@font = Wx::Font.new(50,Wx::FONTFAMILY_TELETYPE,
Wx::FONTSTYLE_NORMAL,Wx::FONTWEIGHT_NORMAL)
BG_BRUSH.set_colour(255,0, 0)
# Setup the actual data to be stored in Brushes and Pens
do_rndValues
evt_button(@m_buttonchange) { do_rndValues }
evt_paint { on_paint }
evt_menu(@m_mired) { do_Red}
evt_menu(@m_migreen) { do_Green }
evt_menu(@m_miblue) { do_Blue }
evt_menu(@m_miwhite) { do_white }
end
def do_rndValues
@red_value = rand(255)
@green_value = rand(255)
@blue_value = rand(255)
@m_textrednumber.label = @red_value.to_s
@m_textgreennumber.label = @green_value.to_s
@m_textbluenumber.label = @blue_value.to_s
refresh()
end
def do_Red()
@red_value = 255
@green_value = 0
@blue_value = 0
@m_textrednumber.label = @red_value.to_s
@m_textgreennumber.label = @green_value.to_s
@m_textbluenumber.label = @blue_value.to_s
@m_mired.check(true)
@m_migreen.check(false)
@m_miblue.check(false)
@m_miwhite.check(false)
refresh()
end
def on_paint
# We do our drawing now
rect = self.get_client_size
paint do |dc|
gdc = Wx::GraphicsContext.create(dc)
# draw rectangle
temp_brush = gdc.create_brush(BG_BRUSH)
gdc.set_brush(temp_brush)
x = 0
y = 0
w = 300
h = 260
gdc.draw_rectangle(x,y,w,h)
end # paint do
end # on paint
end
Wx::App.run do
AppFrame.new.show
end