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/*
* The ManaPlus Client
* Copyright (C) 2007-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2017 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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; either version 2 of the License, or
* any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef GUI_WIDGETS_LAYOUTCELL_H
#define GUI_WIDGETS_LAYOUTCELL_H
#include "localconsts.h"
class LayoutArray;
class Widget;
/**
* 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 LayoutCell notfinal
{
friend class Layout;
friend class LayoutArray;
public:
enum Alignment
{
LEFT = 0,
RIGHT,
CENTER,
FILL
};
virtual ~LayoutCell();
/**
* Sets the padding around the cell content.
*/
LayoutCell &setPadding(int p)
{ mHPadding = p; mVPadding = p; return *this; }
/**
* Sets the vertical padding around the cell content.
*/
LayoutCell &setVPadding(int p)
{ mVPadding = p; return *this; }
/**
* Sets the horisontal padding around the cell content.
*/
LayoutCell &setHPadding(int p)
{ mHPadding = p; return *this; }
/**
* Sets the horizontal alignment of the cell content.
*/
LayoutCell &setHAlign(const Alignment a)
{ mAlign[0] = a; return *this; }
/**
* Sets the vertical alignment of the cell content.
*/
LayoutCell &setVAlign(const Alignment a)
{ mAlign[1] = a; return *this; }
/**
* @see LayoutArray::at
*/
LayoutCell &at(const int x, const int y) A_WARN_UNUSED;
/**
* @see LayoutArray::place
*/
LayoutCell &place(Widget *const wg,
const int x, const int y,
const int w = 1, const int h = 1);
/**
* @see LayoutArray::matchColWidth
*/
void matchColWidth(const int n1, const int n2);
/**
* @see LayoutArray::setColWidth
*/
void setColWidth(const int n, const int w);
/**
* @see LayoutArray::setRowHeight
*/
void setRowHeight(const int n, const int h);
/**
* @see LayoutArray::extend.
*/
void extend(const int x, const int y,
const int w, const int h);
/**
* Sets the minimum widths and heights of this cell and of all the
* inner cells.
*/
void computeSizes();
void setType(int t)
{ mType = t; }
int getWidth() const noexcept2 A_WARN_UNUSED
{ return mExtent[0]; }
int getHeight() const noexcept2 A_WARN_UNUSED
{ return mExtent[1]; }
void setWidth(const int w) noexcept2
{ mExtent[0] = w; }
void setHeight(const int h) noexcept2
{ mExtent[1] = h; }
enum
{
NONE = 0,
WIDGET,
ARRAY
};
static LayoutCell emptyCell;
private:
LayoutCell() :
mWidget(nullptr),
mHPadding(0),
mVPadding(0),
mType(NONE)
{
mExtent[0] = 0;
mExtent[1] = 0;
mAlign[0] = LEFT;
mAlign[1] = LEFT;
mNbFill[0] = 0;
mNbFill[1] = 0;
mSize[0] = 0;
mSize[1] = 0;
}
// Copy not allowed, as the cell may own an array.
explicit LayoutCell(LayoutCell const &);
LayoutCell &operator=(LayoutCell const &);
union
{
Widget *mWidget;
LayoutArray *mArray;
};
/**
* Returns the embedded array. Creates it if the cell does not contain
* anything yet. Aborts if it contains a widget.
*/
LayoutArray &getArray();
/**
* @see LayoutArray::reflow
*/
void reflow(int nx, int ny, int nw, int nh);
int mSize[2];
int mHPadding;
int mVPadding;
int mExtent[2];
Alignment mAlign[2];
int mNbFill[2];
int mType;
};
#endif // GUI_WIDGETS_LAYOUTCELL_H
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