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/********************************************************************************
* *
* C o l o r W h e e l W i d g e t *
* *
*********************************************************************************
* Copyright (C) 2001,2002 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
*********************************************************************************
* $Id: FXColorWheel.h,v 1.15 2002/01/18 22:42:51 jeroen Exp $ *
********************************************************************************/
#ifndef FXCOLORWHEEL_H
#define FXCOLORWHEEL_H
#ifndef FXFRAME_H
#include "FXFrame.h"
#endif
class FXImage;
/**
* A color wheel is a widget which controls a color by means
* of the hue, saturation, value color specification system.
*/
class FXAPI FXColorWheel : public FXFrame {
FXDECLARE(FXColorWheel)
protected:
FXImage *dial; // HSV dial image
FXfloat hsv[3]; // Hue, saturation, value
FXint spotx; // Spot x location
FXint spoty; // Spot Y location
FXint dialx; // Dial x location
FXint dialy; // Dial Y location
FXString tip; // Tooltip value
FXString help; // Help value
protected:
FXColorWheel();
void updatedial();
void movespot(FXint x,FXint y);
FXbool hstoxy(FXint& x,FXint& y,FXfloat h,FXfloat s) const;
FXbool xytohs(FXfloat& h,FXfloat& s,FXint x,FXint y) const;
virtual void layout();
private:
FXColorWheel(const FXColorWheel&);
FXColorWheel &operator=(const FXColorWheel&);
public:
long onPaint(FXObject*,FXSelector,void*);
long onLeftBtnPress(FXObject*,FXSelector,void*);
long onLeftBtnRelease(FXObject*,FXSelector,void*);
long onMotion(FXObject*,FXSelector,void*);
long onQueryHelp(FXObject*,FXSelector,void*);
long onQueryTip(FXObject*,FXSelector,void*);
public:
/// Construct color well with initial color clr
FXColorWheel(FXComposite* p,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=FRAME_NORMAL,FXint x=0,FXint y=0,FXint w=0,FXint h=0,FXint pl=DEFAULT_PAD,FXint pr=DEFAULT_PAD,FXint pt=DEFAULT_PAD,FXint pb=DEFAULT_PAD);
/// Create server-side resources
virtual void create();
/// Detach server-side resources
virtual void detach();
/// Return default width
virtual FXint getDefaultWidth();
/// Return default height
virtual FXint getDefaultHeight();
/// Change hue
void setHue(FXfloat h);
/// Return hue
FXfloat getHue() const { return hsv[0]; }
/// Change saturation
void setSat(FXfloat s);
/// Return saturation
FXfloat getSat() const { return hsv[1]; }
/// Change value
void setVal(FXfloat v);
/// Return value
FXfloat getVal() const { return hsv[2]; }
/// Set status line help text for this color well
void setHelpText(const FXString& text);
/// Get status line help text for this color well
FXString getHelpText() const { return help; }
/// Set tool tip message for this color well
void setTipText(const FXString& text);
/// Get tool tip message for this color well
FXString getTipText() const { return tip; }
/// Save color well to a stream
virtual void save(FXStream& store) const;
/// Load color well from a stream
virtual void load(FXStream& store);
/// Destructor
virtual ~FXColorWheel();
};
#endif
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