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ui_button.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_button.cpp,v 1.1.1.1 2002/12/07 19:02:03 kolrabi Exp $ 

/*

  $Log: ui_button.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/gui.h" 
#include            "omicron/image.h"

uibutton_c::uibutton_c()
{
    classname   = "button";

    hilite      = false;
    pressed     = false;

    fnt         = gv.gui->get_font(UIF_FONT8);

    bgcolor     = gv.gui->get_color(UIC_FACE);
}

uibutton_c::~uibutton_c()
{
    AssertThis;

}

void uibutton_c::paint()
{
    AssertThis;

    // first update

    if (hilite)
        bgcolor = gv.gui->get_color(UIC_HIGHLIGHT);
    else
        bgcolor = gv.gui->get_color(UIC_FACE);

    if (pressed)
    {
        styleflags |= UI_BORDER_SUNKEN;
        styleflags &= ~UI_BORDER_RAISED;
    }
    else
    {
        styleflags &= ~UI_BORDER_SUNKEN;
        styleflags |= UI_BORDER_RAISED;
    }

    // then paint
    uiobject_c::paint();

    if (this == gv.gui->get_focus())
        img->rectangle(2,2, width-4, height-4, gv.gui->get_color(UIC_FOCUS));

    if (fnt && text)
    {
        sshort ofs = pressed?1:0;

        sshort  w = gv.renderer->get_string_pixelwidth(text, fnt);
        color_t c;

        if (disabled)
        {
            c = gv.gui->get_color(UIC_LIGHT);
            img->draw_string((width-w)/2+ofs,(height-fnt->height)/2+ofs,text,fnt, c);

            c = gv.gui->get_color(UIC_SHADOW);
            img->draw_string((width-w)/2+ofs-1,(height-fnt->height)/2+ofs-1,text,fnt, c);
        }
        else
        {
            c = gv.gui->get_color(UIC_TEXT);
            img->draw_string((width-w)/2+ofs,(height-fnt->height)/2+ofs,text,fnt, c);
        }
    }
}
 
void uibutton_c::event(uievent_s *eve)
{
    AssertThis;

    AssertReturn1(eve);

    switch(eve->event) 
    { 
        case UIE_MOUSEOVER: 
            if ((this == gv.gui->get_focus()) && (gv.mouse_b&1)) 
                pressed = true;
 
            /*if (!disabled) */hilite = true;
            set_needs_refresh();
            break; 
 
        case UIE_MOUSEOUT: 
            hilite  = false;
            pressed = false;
            set_needs_refresh();
            break; 
 
        case UIE_MOUSEDOWN: 
            if (!disabled) pressed = true;
            set_needs_refresh();
            break; 
 
        case UIE_MOUSEUP: 
            pressed = false;
            set_needs_refresh();
            break; 

        case UIE_GETFOCUS:
        case UIE_LOSTFOCUS:
            set_needs_refresh();
            break;

        case UIE_MOUSECLICK:
            {
                uievent_s eve2 = *eve;
                eve2.event = UIE_COMMAND;
                gv.iface->gui_callback(&eve2);
            }
            break;
    }

    uiobject_c::event(eve);
}

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