Problem displaying Icelandic Text in the label of Fl_Box

alka08 · #1 10-Jul-2008, 19:44

Hello Everyone,

I am having problem with displaying Icelandic Text in the label of Fl_Box.
The environment is FLTK 1.1.7 on top of Fedora Core 4

Problem: When I try to display this Icelandic Text -> "Sláðu inn" in the Box label; it shows up as this -> "SlÃ¡Ã°u inn".

I followed the "How to display chinese" thread on this forum and tried
the fl_latin12utf as mentioned in the example in utf8.cxx after changing
my fltk library to the fltk 1.1.6 with utf8 support (got the fltk from
www.oksid.ch.

Although the Fl_input shows my text correctly the label for Fl_Box still
shows it the same weird way ("SlÃ¡Ã°u inn").

Is there anything I am missing here?

I also tried using the gettext as mentioned in the "Internationalization In FLTK"
thread in this forum but it did not work.

The code snippet is as follows:

CPP / C++ / C Code:

#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Box.H>
#include <stdlib.h>

int main(int argc, char **argv) {
  Fl_Window *window = new Fl_Window(300,280);

  char *latin1 = "Sláðu inn";
  char *utf8 = (char*) malloc(strlen(latin1) * 5 + 1);
  int l = 0;
  l = fl_latin12utf((const unsigned char*)latin1, strlen(latin1), utf8);
  utf8[l] = '\0';

  Fl_Box *box = new Fl_Box(FL_UP_BOX,20,40,260,200, utf8);

  box->labelfont(FL_BOLD+FL_ITALIC);
  box->labelsize(36);
  box->labeltype(FL_SHADOW_LABEL);
  window->end();
  
  window->show(argc, argv);
  return Fl::run();
}

Has anyone faced this issue? Is there a way to make the Icelandic text appear in the label of Fl_box.

I would really appreciate it, if someone could point me in the right direction.

Thanks

alka08 · #2 22-Jul-2008, 08:23

Hi,

I was able to fix the issue by installing fltk 1.1.8 with utf8 support (fltk118-utf8-2008-02-24.tar.bz2) downloaded from www.imm.uklinux.net

I got a compilation error for the above FLTK as follows:
= installing FL ===
Installing include files in /usr/local/include...
=== installing xutf8 ===
Installing libfltk_xutf8.a in /usr/local/lib...
make[1]: execvp: /usr/local/lib: Permission denied
make[1]: execvp: ../lib/libfltk_xutf8.a: Permission denied
make[1]: *** [install] Error 127
make: *** [install] Error 2

I fixed it by changing the Makefile in xutf8 dir -> under make install section:
Have $(INSTALL_LIB) $(XUTF8) $(DESTDIR)$(libdir) instead of the
$(CP) $(XUTF8) $(libdir).

When I compiled my code, I got error that 'Drawable' is being used without being defined. So in FLTK UTF8 (FL/Xutf8.h let compilation fail once and confirm that this is the FLTK file with Drawable error) and in one of the X11 headers (/usr/X11R6/include/X11/Xlib.h) where I got compilation error, I replaced Drawable with XID (this was the definition in another X11 header file).

Then recompile FLTK UTF8 ->
./configure --enable-threads -enable-xft
make
make install

After this As per the example in utf8.cxx, I had to give the hex equivalent of each of my icelandic strings after storing them in wchar_t strings. I used the following program to generate my hex strings and used the hex strings in code.

CPP / C++ / C Code:

#include <stdio.h>
#include <stdlib.h>
#include <wchar.h>

main()
{
  wchar_t achBuf[] = L"Sláðu inn";

   for (int i = 0; i < wcslen(achBuf); ++i)
  {
    printf("\\x%x", achBuf[i]);
  } 

  printf("\n");
}

I hope this helps.

Thanks and Regards.

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Problem displaying Icelandic Text in the label of Fl_Box

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