Forum: wxRuby wxRuby by wxSugar

Hello.

I have a ruby 1.9 and create a file trap.xrc in DialogBlocks.

Later I create a trap.rb: xrcise -o trap.rb trap.xrc ... All good.

But late I create a file ed.rb:

-------

require 'wx'
require 'trap'

class Exsys < wxFrame
  def initialize
    super
  end
end

Wx::App.run do
  Exsys.new.show
end

-------

It doesn't work! Why?

Please open attached image 'xx.jpg', here wrote error.

I believe your using Ruby 1.9.2, and if so, it no longer references the
current directory, or rather the directory from where the script is 
launched
from, as a path in which to look for files to require in.  You can do 
one of
two things, you can either do:

require 'wx'
require './trap'

or you could do:

$:.unshift "."
requrie 'wx'
require 'trap'

Either of these methods will work to get trap.rb to load up under 1.9.2.
 This isn't so much a wxRuby Problem, as it is a design change by Ruby 
1.9
core.

hth,

Mario

Thanks, Mario! Now I have else three problems.

1) I create an XRC file with a label, combobox and button

---------- XRC

<?xml version="1.0" encoding="UTF-8"?>
<resource version="2.3.0.1" xmlns="http://www.wxwidgets.org/wxxrc">
    <object class="wxFrame" name="ID_WXFRAME" subclass="TFB">
        <style>wxCAPTION|wxSYSTEM_MENU|wxCLOSE_BOX</style>
        <size>640,480</size>
        <title>FFF</title>
        <centered>1</centered>
        <object class="wxBoxSizer">
            <orient>wxVERTICAL</orient>
            <object class="sizeritem">
                <flag>wxALIGN_CENTER_HORIZONTAL|wxTOP</flag>
                <border>220</border>
                <object class="wxStaticText" name="wxID_STATIC">
                    <label>Check your location</label>
                </object>
            </object>
            <object class="sizeritem">
                <flag>wxALIGN_CENTER_HORIZONTAL|wxALL</flag>
                <border>5</border>
                <object class="wxComboBox" name="where_are_you">
                    <size>100,-1</size>
                    <style>wxCB_DROPDOWN</style>
                    <content>
                        <item>USA</item>
                        <item>Canada</item>
                    </content>
                </object>
            </object>
            <object class="sizeritem">
                <flag>wxALIGN_CENTER_HORIZONTAL|wxALL</flag>
                <border>5</border>
                <object class="wxButton" name="next_btn"> # HERE
                    <label>Next</label>
                </object>
            </object>
        </object>
    </object>
</resource>

----------- RB

# -*- coding: utf-8 -*-
require 'wx'
require './trap'

class Exsys < TFB
  def initialize
    super
    evt_button (next_btn) {next_go} # HERE
  end
end


def next_go
  # Many Testing Code
end


Wx::App.run do
  Exsys.new.show()
end

--------

I need to start an def next_go, if I click button next_btn (see HERE
places in the code). It doesn't work, see the attached image.

2) How I can read a value from ComboBox?

3) How I can disable and enable Sizer?

Hello Michael,

On Tue, Oct 19, 2010 at 5:54 AM, Misha Ognev <lists@ruby-forum.com> 
wrote:

>        <size>640,480</size>
>            </object>
>                </object>
> </resource>
>    evt_button (next_btn) {next_go} # HERE
>  Exsys.new.show()
> end
>
> --------
>
> I need to start an def next_go, if I click button next_btn (see HERE
> places in the code). It doesn't work, see the attached image.
>

The next_btn should actually be accessable through @next_btn, since you 
are
inheriting the TFB class in your Exsys class.

Try doing: evt_button(@next_btn) { next_go }



> 2) How I can read a value from ComboBox?
>

See http://wxruby.rubyforge.org/doc/combobox.html  Specifically 
#get_value
and #get_current_selection.  Since ComboBox has a TextEntry and a Choice
setup with it, you need to compare between the TextEntry and Choice to
ensure you are getting the correct value out of it.


> 3) How I can disable and enable Sizer?
>

First you need to get the sizer, by using Window#get_containing_sizer, 
then
you can use Window#hide, or Window#show to hide/show a Sizer, and
Window#disable or Window#enable to disable/enable a set of controls.

There's no physical way to disable a Sizer to prevent the sizer from
resizing in the window.  You can only either hide / show it, or
enable/disable the controls within it.


>
hth,

Mario

Mario, I do what you say. This is new error in 1): see attached please.

Why everybody silent?

Sorry Michael,

I tend to not get much time to respond to emails, as I'm trying to run
through everything.  Could you send me attached a copy of your XRC, and 
Ruby
Source files, so I can see where the problem may be in the code?

Thanks,

Mario

Mario, here this files: http://www.sendspace.com/file/q93zj9

The first button, Ctrl-C, must copy text frim label to textctrl.

The second button must hide sizer which parent to textctrl on the first
click, and in the second show it.

Thanks, Michael.