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/* This file is part of the KDE libraries
Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; version
2 of the License.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
//-----------------------------------------------------------------------------
// KDE color palette.
#ifndef KDELIBS_KPALETTE_H
#define KDELIBS_KPALETTE_H
#include <tqcolor.h>
#include <tqptrlist.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include "kdelibs_export.h"
class KPalettePrivate;
/**
* Class for handling Palettes.
*
* This class makes it easy to handle palettes.
* A palette is a set of colors. This class can read
* and write palettes from and to a file.
*
* This class uses the "GIMP" palette file format.
*
* This class is totally unrelated to TQPalette.
*
* @author Waldo Bastian (bastian@kde.org)
**/
class KDECORE_EXPORT KPalette
{
public:
/**
* Query which KDE palettes are installed.
*
* @return A list with a palette names.
*/
static TQStringList getPaletteList();
/**
* KPalette constructor. Creates a KPalette from a file
* the filename is derived from the name.
* @param name The name of palette as returned by getPaletteList()
**/
KPalette(const TQString &name=TQString::null);
/**
* KPalette copy constructor.
**/
KPalette(const KPalette &);
/**
* KPalette destructor.
**/
virtual ~KPalette();
/**
* KPalette assignment operator
**/
KPalette& operator=( const KPalette &);
/**
* Save the palette
*
* @return 'true' if successful
**/
bool save();
/**
* Get the description of the palette.
* @return the description of the palette.
**/
TQString description() const
{ return mDesc; }
/**
* Set the description of the palette.
* @param desc the new description
**/
void setDescription(const TQString &desc)
{ mDesc = desc; }
/**
* Get the name of the palette.
* @return the name of the palette
**/
TQString name() const
{ return mName; }
/**
* Set the name of the palette.
* @param name the name of the palette
**/
void setName(const TQString &name)
{ mName = name; }
/**
* Used to specify whether a palette may be edited.
* @see editable()
* @see setEditable()
*/
enum Editable { Yes, ///< Palette may be edited
No, ///< Palette may not be edited
Ask ///< Ask user before editing
};
/**
* Returns whether the palette may be edited.
* @return the state of the palette
**/
Editable editable() const
{ return mEditable; }
/**
* Change whether the palette may be edited.
* @param editable the state of the palette
**/
void setEditable(Editable editable)
{ mEditable = editable; }
/**
* Return the number of colors in the palette.
* @return the number of colors
**/
int nrColors() const
{ return (int) mKolorList.count(); }
/**
* Find color by index.
* @param index the index of the desired color
* @return The @p index -th color of the palette, null if not found.
**/
TQColor color(int index);
/**
* Find index by @p color.
* @param color the color to tqfind
* @return The index of the color in the palette or -1 if the
* color is not found.
**/
int findColor(const TQColor &color) const;
/**
* Find color name by @p index.
* @param index the index of the color
* @return The name of the @p index -th color.
* Note that not all palettes have named the colors. Null is
* returned if the color does not exist or has no name.
**/
TQString colorName(int index);
/**
* Find color name by @p color.
* @return The name of color according to this palette.
* Note that not all palettes have named the colors.
* Note also that each palette can give the same color
* a different name.
**/
TQString colorName(const TQColor &color)
{ return colorName( findColor(color)); }
/**
* Add a color.
* @param newColor The color to add.
* @param newColorName The name of the color, null to remove
* the name.
* @return The index of the added color.
**/
int addColor(const TQColor &newColor,
const TQString &newColorName = TQString::null);
/**
* Change a color.
* @param index Index of the color to change
* @param newColor The new color.
* @param newColorName The new color name, null to remove
* the name.
* @return The index of the new color or -1 if the color couldn't
* be changed.
**/
int changeColor(int index,
const TQColor &newColor,
const TQString &newColorName = TQString::null);
/**
* Change a color.
* @param oldColor The original color
* @param newColor The new color.
* @param newColorName The new color name, null to remove
* the name.
* @return The index of the new color or -1 if the color couldn't
* be changed.
**/
int changeColor(const TQColor &oldColor,
const TQColor &newColor,
const TQString &newColorName = TQString::null)
{ return changeColor( findColor(oldColor), newColor, newColorName); }
private:
typedef struct { TQColor color; TQString name; } kolor;
TQPtrList<kolor> mKolorList;
TQString mName;
TQString mDesc;
Editable mEditable;
KPalettePrivate *d;
};
#endif // KDELIBS_KPALETTE_H
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