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/********************************************************************************
* *
* D i a l W i d g e t *
* *
*********************************************************************************
* Copyright (C) 1998,2002 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: FXDial.h,v 1.20 2002/01/18 22:42:52 jeroen Exp $ *
********************************************************************************/
#ifndef FXDIAL_H
#define FXDIAL_H
#ifndef FXFRAME_H
#include "FXFrame.h"
#endif
// Dial style options
enum {
DIAL_VERTICAL = 0, // Vertically oriented
DIAL_HORIZONTAL = 0x00008000, // Horizontal oriented
DIAL_CYCLIC = 0x00010000, // Value wraps around
DIAL_HAS_NOTCH = 0x00020000, // Dial has a Center Notch
DIAL_NORMAL = DIAL_VERTICAL
};
/**
* The dial widget is a valuator widget which is able to provide a cyclic
* value range, or a simple linear value range. Optionally, the zero point
* may be displayed by means of a colored notch.
* While being turned, the dial sends a SEL_CHANGED message to its target;
* at the end of the interaction, a SEL_COMMAND message is sent.
* The message data represents the current value, of type FXint.
*/
class FXAPI FXDial : public FXFrame {
FXDECLARE(FXDial)
protected:
FXint range[2]; // Reported data range
FXColor notchColor; // Main notch color
FXint notchangle; // Angle of main notch
FXint notchspacing; // Angle between notches
FXint notchoffset; // Notch offset
FXint dragpoint; // Place where clicked
FXint dragpos; // Value where clicked
FXint incr; // Rate of change/revolution
FXint pos; // Reported data position
FXString help; // Help string
FXString tip; // Tip string
protected:
FXDial(){}
private:
FXDial(const FXDial&);
FXDial &operator=(const FXDial&);
public:
long onPaint(FXObject*,FXSelector,void*);
long onMotion(FXObject*,FXSelector,void*);
long onMouseWheel(FXObject*,FXSelector,void*);
long onLeftBtnPress(FXObject*,FXSelector,void* );
long onLeftBtnRelease(FXObject*,FXSelector,void*);
long onUngrabbed(FXObject*,FXSelector,void*);
long onCmdSetValue(FXObject*,FXSelector,void*);
long onCmdSetIntValue(FXObject*,FXSelector,void*);
long onCmdGetIntValue(FXObject*,FXSelector,void*);
long onCmdSetRealValue(FXObject*,FXSelector,void*);
long onCmdGetRealValue(FXObject*,FXSelector,void*);
long onCmdSetIntRange(FXObject*,FXSelector,void*);
long onCmdGetIntRange(FXObject*,FXSelector,void*);
long onCmdSetRealRange(FXObject*,FXSelector,void*);
long onCmdGetRealRange(FXObject*,FXSelector,void*);
long onQueryHelp(FXObject*,FXSelector,void*);
long onQueryTip(FXObject*,FXSelector,void*);
public:
/// Construct a dial widget
FXDial(FXComposite *p,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=DIAL_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);
/// Return default width
virtual FXint getDefaultWidth();
/// Return default height
virtual FXint getDefaultHeight();
/// Set the dial value
void setValue(FXint value);
/// Return the dial value
FXint getValue() const { return pos; }
/// Change the dial's range
void setRange(FXint lo,FXint hi);
/// Obtain the current range of the dial
void getRange(FXint& lo,FXint& hi) const { lo=range[0]; hi=range[1]; }
/**
* Set the revolution increment, which is the amount of change
* in the position for revolution of the dial; the dial may go
* through multiple revolutions to go through its whole range
*/
void setRevolutionIncrement(FXint i);
/// Get the current value of the revolution increment
FXint getRevolutionIncrement() const { return incr; }
/**
* Change the spacing for the small notches; this should be set
* in tenths of degrees in the range [1,3600], and the value should
* be a divisor of 3600, so as to make the notches come out evenly
*/
void setNotchSpacing(FXint spacing);
/// Get the current notch spacing
FXint getNotchSpacing() const { return notchspacing; }
/**
* Change the notch offset, which is the position of the
* center notch; the value should be tenths of degrees
* in the range [-3600,3600]
*/
void setNotchOffset(FXint offset);
/// Get the current center notch offset
FXint getNotchOffset() const { return notchoffset; }
/// Changes the dial style.
void setDialStyle(FXuint opts);
/// Get the current dial style.
FXuint getDialStyle() const;
/// Change the center notch color
void setNotchColor(FXColor clr);
/// Get the current center notch color
FXColor getNotchColor() const { return notchColor; }
/// Set the help text to be displayed on the status line
void setHelpText(const FXString& text);
/// Get the current help text
FXString getHelpText() const { return help; }
/// Set the tip text to be displayed in the tooltip
void setTipText(const FXString& text);
/// Get the current tooltip text value
FXString getTipText() const { return tip; }
/// Save to stream
virtual void save(FXStream& store) const;
/// Load from stream
virtual void load(FXStream& store);
};
#endif
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