The Mana World: tmw/src/gui/shortcutcontainer.cpp Source File

00001 /*
00002  *  The Mana World
00003  *  Copyright (C) 2007  The Mana World Development Team
00004  *
00005  *  This file is part of The Mana World.
00006  *
00007  *  This program is free software; you can redistribute it and/or modify
00008  *  it under the terms of the GNU General Public License as published by
00009  *  the Free Software Foundation; either version 2 of the License, or
00010  *  any later version.
00011  *
00012  *  This program is distributed in the hope that it will be useful,
00013  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  *  GNU General Public License for more details.
00016  *
00017  *  You should have received a copy of the GNU General Public License
00018  *  along with this program; if not, write to the Free Software
00019  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020  */
00021 
00022 #include "shortcutcontainer.h"
00023 
00024 #include "../configuration.h"
00025 
00026 #include "../resources/image.h"
00027 
00028 #include "../utils/stringutils.h"
00029 
00030 float ShortcutContainer::mAlpha = 1.0;
00031 
00032 ShortcutContainer::ShortcutContainer():
00033     mGridWidth(1),
00034     mGridHeight(1)
00035 {
00036 }
00037 
00038 void ShortcutContainer::widgetResized(const gcn::Event &event)
00039 {
00040     mGridWidth = getWidth() / mBoxWidth;
00041 
00042     if (mGridWidth < 1)
00043         mGridWidth = 1;
00044 
00045     mGridHeight = mMaxItems / mGridWidth;
00046 
00047     if (mMaxItems % mGridWidth != 0 || mGridHeight < 1)
00048         ++mGridHeight;
00049 
00050     setHeight(mGridHeight * mBoxHeight);
00051 }
00052 
00053 int ShortcutContainer::getIndexFromGrid(int pointX, int pointY) const
00054 {
00055     const gcn::Rectangle tRect = gcn::Rectangle(0, 0, mGridWidth * mBoxWidth,
00056                                                 mGridHeight * mBoxHeight);
00057 
00058     int index = ((pointY / mBoxHeight) * mGridWidth) + pointX / mBoxWidth;
00059 
00060     if (!tRect.isPointInRect(pointX, pointY) || index >= mMaxItems)
00061         index = -1;
00062 
00063     return index;
00064 }