____                _       __
    / __ )____  _____   | |     / /___ ___________
   / __  / __ \/ ___/   | | /| / / __ `/ ___/ ___/
  / /_/ / /_/ (__  )    | |/ |/ / /_/ / /  (__  )
 /_____/\____/____/     |__/|__/\__,_/_/  /____/

       A futuristic real-time strategy game.
          This file is part of Bos Wars.

(C) Copyright 2001-2007 by the Bos Wars and Stratagus Project. Distributed under the "GNU General Public License"

---

menu_proc.cpp

Go to the documentation of this file.

//     ____                _       __               
//    / __ )____  _____   | |     / /___ ___________
//   / __  / __ \/ ___/   | | /| / / __ `/ ___/ ___/
//  / /_/ / /_/ (__  )    | |/ |/ / /_/ / /  (__  ) 
// /_____/\____/____/     |__/|__/\__,_/_/  /____/  
//                                              
//       A futuristic real-time strategy game.
//          This file is part of Bos Wars.
//
//
//      (c) Copyright 1999-2007 by Andreas Arens, Jimmy Salmon, Nehal Mistry
//
//      This program 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; only version 2 of the License.
//
//      This program 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 this program; if not, write to the Free Software
//      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
//      02111-1307, USA.
//


/*----------------------------------------------------------------------------
--  Includes
----------------------------------------------------------------------------*/

#include "stratagus.h"
#include "ui.h"
#include "video.h"
#include "font.h"
#include "menus.h"

/*----------------------------------------------------------------------------
-- Variables
----------------------------------------------------------------------------*/

/*----------------------------------------------------------------------------
-- Menu operation functions
----------------------------------------------------------------------------*/

void DrawMenuButton(ButtonStyle *style, unsigned flags, int x, int y,
    const std::string &text)
{
    std::string nc;
    std::string rc;
    std::string oldnc;
    std::string oldrc;
    int i;
    ButtonStyleProperties *p;
    ButtonStyleProperties *pimage;

    if (flags & MI_FLAGS_CLICKED) {
        p = &style->Clicked;
    } else if (flags & MI_FLAGS_ACTIVE) {
        p = &style->Hover;
    } else {
        p = &style->Default;
    }

    //
    //  Image
    //
    pimage = p;
    if (!p->Sprite) {
        // No image.  Try hover, selected, then default
        if ((flags & MI_FLAGS_ACTIVE) && style->Hover.Sprite) {
            pimage = &style->Hover;
        } else if (style->Default.Sprite) {
            pimage = &style->Default;
        }
    }
    if (pimage->Sprite) {
        pimage->Sprite->Load();
    }
    if (pimage->Sprite) {
        pimage->Sprite->DrawFrame(pimage->Frame, x, y);
    }

    //
    //  Text
    //
    if (!text.empty()) {
        GetDefaultTextColors(oldnc, oldrc);
        nc = !p->TextNormalColor.empty() ? p->TextNormalColor :
            !style->TextNormalColor.empty() ? style->TextNormalColor : oldnc;
        rc = !p->TextReverseColor.empty() ? p->TextReverseColor :
            !style->TextReverseColor.empty() ? style->TextReverseColor : oldrc;
        SetDefaultTextColors(nc, rc);

        if (p->TextAlign == TextAlignCenter || p->TextAlign == TextAlignUndefined) {
            VideoDrawTextCentered(x + p->TextX, y + p->TextY,
                style->Font, text);
        } else if (p->TextAlign == TextAlignLeft) {
            VideoDrawText(x + p->TextX, y + p->TextY, style->Font, text);
        } else {
            VideoDrawText(x + p->TextX - style->Font->Width(text), y + p->TextY,
                style->Font, text);
        }

        SetDefaultTextColors(oldnc, oldrc);
    }

    //
    //  Border
    //
    if (!p->BorderColor) {
        p->BorderColor = Video.MapRGB(TheScreen->format,
            p->BorderColorRGB.r, p->BorderColorRGB.g, p->BorderColorRGB.b);
    }
    if (p->BorderSize) {
        for (i = 0; i < p->BorderSize; ++i) {
            Video.DrawRectangleClip(p->BorderColor, x - i, y - i,
                style->Width + 2 * i, style->Height + 2 * i);
        }
    }
}

---