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ui_label.cpp

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// OMICRON ENGINE HEADER FILE
//
// --------------------------------------------------------------------------
// Copyright (C) 2001-2002 by Bjoern Paetzel <kolrabi@gmx.de>
//
// This file is part of the Omicron Engine.
//
// The Omicron Engine is free software; you can redistribute it and/or modify
// it under the terms of the  GNU General Public License  as published by the
// Free Software Foundation;  either version  2  of the License,  or (at your
// option) any later version.
//
// The Omicron Engine  is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or  FITNESS FOR A PARTICULAR PURPOSE.  See the  GNU General Public License
// for more details.
//
// You should have  received a copy of the  GNU General Public License  along
// with The Omicron Engine;  if not,  write to the  Free Software Foundation,
// Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
//
// --------------------------------------------------------------------------
// Last modified:       $Date: 2002/12/07 19:02:03 $
// By           :       $Author: kolrabi $
// $Id: ui_label.cpp,v 1.1.1.1 2002/12/07 19:02:03 kolrabi Exp $ 

/*

  $Log: ui_label.cpp,v $
  Revision 1.1.1.1  2002/12/07 19:02:03  kolrabi
  initial release


*/

#include            "omicron/internal.h"
#include            "omicron/render.h"
#include            "omicron/image.h"
#include            "omicron/gui.h"

uilabel_c::uilabel_c()
{
    classname   = "label";
    fnt         = gv.gui->get_font(UIF_FONT8);

    set_wordwrap(true);
}

uilabel_c::~uilabel_c()
{
    AssertThis;
}

void uilabel_c::paint()
{
    AssertThis;

    uiobject_c::paint();

    AssertReturn2(text, strlen(text));

    char        *buf    = new char[strlen(text)+2];
    char        *p      = buf;
    char        *p1     = buf;
    ushort      y       = 0;
    color_t     c       = disabled ? gv.gui->get_color(UIC_DISABLED) :
                                     gv.gui->get_color(UIC_TEXT);

    ushort      linelen = 0;

    memset(buf, 0, strlen(text)+2);
    strcpy(buf, text);

    if (wordwrap)
    {
        while(*p)
        {
            p++;

            while(*p1 == '\n') { p1++; y+=fnt->height; };

            if ((*p == 0 || *p == '\n'))
            {
                char oldchar = *p;

                *p = 0;
        
                do
                {
                    linelen = gv.renderer->get_string_pixelwidth(p1, fnt);
                    if (linelen >= width)
                    {
                        char *p2 = strrchr(p1, ' ');
                        if (p2)
                        {
                            *p  = oldchar;
                            p   = p2;
                            *p  = 0;
                            oldchar = ' ';
                            linelen = gv.renderer->get_string_pixelwidth(p1, fnt);
                        }
                        else
                        {
                            linelen = 0;
                        }
                    }
                } while(linelen>=width);

                img->draw_string(0, y, p1, fnt, c);
                y += fnt->height;

                p1 = ++p;
            }
        }
    }
    else
    {
        img->draw_string(0, 0, buf, fnt, c);
    }

    SafeArrayDelete(buf);
}

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