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Re: Bug in FOX related to composed characters and proposed patch

by Jeroen van der Zijp :: Rate this Message:

On Monday 18 May 2009, Roland Baudin wrote:

> Hi there,
>
> some weeks ago, I sent here a message where I described a bug related to
> composed characters and XIM inputs. These characters are frequently used
> for example in french (ex: â ô ), in german (to do the umlaut like in ü
> ä ¶ etc.) and other languages.
>
> For these characters to be correctly input in FOX application, the FOX
> library must be compiled with the --with-xim configure option.
>
> In FOX 1.6.36 and 1.7.19, compiled with the --with-xim option, entering
> composed characters *only* works when the mouse pointer (caution : the
> mouse pointer, not the input cursor) lies within the text field that has
> the focus. Otherwise, if the mouse pointer is elsewhere in the window,
> it is not possible to input characters like â ä ü û¶, etc. This can be
> easily checked with adie : write a text and move the mouse pointer
> outside the adie window. Then entering composed characters don't work
> anymore.
>
> After some (deep) investigations, I finally found where the problem is
> and fixed the bug. I attached here a patch for the FXApp.cpp class of
> FOX 1.6.36.
>
> I succesfully tested this patch on the following Linux systems : Debian
> Lenny (stable), latest Ubuntu, Mandriva 2009 but I didn't test it on
> Windows.
>
> Hope this post could help to definitely fix this annoying bug.

Thanks,

I assume that the little code segment:

// Keyboard
case KeyPress:
#ifndef NO_XIM
focuswin=getFocusWindow();
if((ev.xkey.keycode!=0) && focuswin && focuswin->getComposeContext()){
Window w;
XGetICValues((XIC)focuswin->getComposeContext()->id(),XNFocusWindow,&w,NULL);
if((focuswin->id()!=w) && XFilterEvent(&ev,(Window)focuswin->id())){
return true;
}
}
#endif

will need to be removed in that case, right? Otherwise stuff gets filtered twice....

- Jeroen

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