fxruby users - Aug 2008 - changing FXTextField default behavior

Hi,

Is it possible to change the data from an event, SEL_KEYPRESS or
SEL_KEYRELEASE or the like, in order to, say, randomly change the codes
of each keystroke?

If it is, how could I achieve this?

I''ve tried this:

text = FXTextField.new(self, 20)
text.connect(SEL_KEYPRESS, method(:changeText))
...
def changeText(sender, selector, data)
	A = ''A''.sum 0
	Z = ''Z''.sum 0
	a = ''a''.sum 0
	z = ''z''.sum 0

	c = data.code

	case c
	when A .. Z
		c = rand(25) + A
	when a .. z
		c = rand(25) + a
	end

	if c != data.code
		data.code = c
	end

	false
end

But it doesn''t work, and if I type in "hello",
that''s exactly what I see
in the control.

So, again, is it possible to change that data?

Thank you,

-- 
angico
------
home page: www.angico.org
Gnu/Linux, FLOSS, Espiritismo, e eu por mim mesmo 8^I
------
contatos:
email: angico at angico.org
skype: angico00
------

On Tuesday 26 August 2008, angico wrote:
> Hi,
> 
> Is it possible to change the data from an event, SEL_KEYPRESS or
> SEL_KEYRELEASE or the like, in order to, say, randomly change the codes
> of each keystroke?
> 
> If it is, how could I achieve this?
> 
> I''ve tried this:
> 
> text = FXTextField.new(self, 20)
> text.connect(SEL_KEYPRESS, method(:changeText))
> ...
> def changeText(sender, selector, data)
> 	A = ''A''.sum 0
> 	Z = ''Z''.sum 0
> 	a = ''a''.sum 0
> 	z = ''z''.sum 0
> 
> 	c = data.code
> 
> 	case c
> 	when A .. Z
> 		c = rand(25) + A
> 	when a .. z
> 		c = rand(25) + a
> 	end
> 
> 	if c != data.code
> 		data.code = c
> 	end
> 
> 	false
> end
> 
> But it doesn''t work, and if I type in "hello",
that''s exactly what I see
> in the control.
> 
> So, again, is it possible to change that data?
When you intercept SEL_KEYPRESS, the keysym is passed to FXEvent.code and
the translated text is in FXEvent.text. 

If the .code represents an editing command, the .text member is disregarded;
but if the .code is a regular character, the string which is the translation
of the [sequence of] keysyms is inserted.

This way, input methods can be used to insert text while regular editing
commands
still work normally.


		- Jeroen




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| Copyright (C) 21:10 08/26/2008 Jeroen van der Zijp.   All Rights Reserved. |
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