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/*
* The Mana World
* Copyright 2007 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef _TMW_WIDGET_LAYOUT_H__
#define _TMW_WIDGET_LAYOUT_H__
#include <vector>
#include <guichan/widget.hpp>
/**
* This class describes the formatting of a widget in the cell of a layout
* table. Horizontally, a widget can either fill the width of the cell (minus
* the cell padding), or it can retain its size and be flushed left, or flush
* right, or centered in the cell. The process is similar for the vertical
* alignment, except that top is represented by LEFT and bottom by RIGHT.
*/
class Cell
{
friend class Layout;
public:
enum Alignment
{
LEFT, RIGHT, CENTER, FILL
};
Cell(): mWidget(0) {}
/**
* Sets the padding around the cell content.
*/
Cell &setPadding(int p)
{ mPadding = p; return *this; }
/**
* Sets the horizontal alignment of the cell content.
*/
Cell &setHAlign(Alignment a)
{ mHAlign = a; return *this; }
/**
* Sets the vertical alignment of the cell content.
*/
Cell &setVAlign(Alignment a)
{ mVAlign = a; return *this; }
private:
gcn::Widget *mWidget;
int mColExtent, mRowExtent;
int mPadding;
Alignment mHAlign, mVAlign;
};
/**
* This class is an helper for setting the position of widgets. They are
* positioned along the cells of a rectangular table. The size of a given
* table column can either be set manually or be chosen from the widest widget
* of the column. The process is similar for table rows. By default, there is a
* padding of 4 pixels between rows and between columns.
*/
class Layout
{
public:
Layout(): mPadding(4) {}
/**
* Sets the width of a column.
*/
void setColWidth(int n, int w);
/**
* Sets the height of a row.
*/
void setRowHeight(int n, int h);
/**
* Sets the padding between cells.
*/
void setPadding(int p)
{ mPadding = p; }
/**
* Places a widget in a given cell.
*/
Cell &place(gcn::Widget *, int x, int y, int w, int h);
/**
* Computes the positions of all the widgets.
*/
void reflow();
private:
/**
* Ensures the private vectors are large enough.
*/
void resizeGrid(int w, int h);
std::vector< int > mColWidths;
std::vector< int > mRowHeights;
std::vector< std::vector < Cell > > mCells;
int mPadding;
};
#endif
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