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/***************************************************************************
colorselector.h - description
-------------------
begin : Sun Jul 9 2000
copyright : (C) 2000 by Artur Rataj
email : art@zeus.polsl.gliwice.pl
***************************************************************************/
/***************************************************************************
* *
* 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 *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef COLORSELECTOR_H
#define COLORSELECTOR_H
#include <tqwidget.h>
#include <tqcolor.h>
#include <tqbuttongroup.h>
#include <kcolordialog.h>
#include "color.h"
#include "gradientselection.h"
/** Color selector widget
* @author Artur Rataj
*/
class ColorSelector : public TQWidget {
TQ_OBJECT
public:
/** constructs a color selector widget */
ColorSelector(TQWidget *parent=0, const char *name=0);
~ColorSelector();
/** @return the selected color */
const Color& color();
signals:
/** A signal that a color value has changed */
void valueChanged(Color*);
public slots:
/** Called if a color changed */
void slotSetColor(Color color);
/** Called if a color changed */
void slotSetColor(Color* color);
/** called if a color changed in the color patch */
void slotSetColor(const TQColor& color);
/** Called by the gradient selection, to replace or modify a color */
void slotGradientSelectionChangeColor(Color* gradientSelectionColor);
/** Called by the gradient selection, to synchronize its color */
void slotGradientSelectionSynchronizeColor();
/** Called if color replace mode is chosen */
void slotColorReplace();
/** called if color change mode is chosen */
void slotColorChange();
/** Called if a color change value changed */
void slotColorChangeValueChanged(int value);
private:
/** Color change mode constants */
enum { MODE_REPLACE = 0,
MODE_CHANGE = 1,
/** Maximum color change value */
MAX_COLOR_CHANGE_VALUE = 16 };
/** A color change slider widget */
TQWidget* colorChangeSliderWidget;
/** Color change buttons button group widget */
TQButtonGroup colorChangeButtons;
/** A color patch widget */
KColorPatch* colorPatch;
/** A gradient selection widget */
GradientSelection* gradientSelection;
/** The current color */
Color m_color;
/** Color change mode */
int colorChangeMode;
/** Current color change value */
int colorChangeValue;
/** Floating--point precision RGB components, for color change mode */
double fRComponent;
double fGComponent;
double fBComponent;
/** Whether in the floating-point precision components mode */
bool fComponentsMode;
/** Scales a component according to componentDiff and colorChangeValue */
void scaledComponent(double* const component, const double componentDiff);
};
#endif
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