QfButton.H

/* QfButton.H */
/* $Id: QfButton.H,v 1.3 2001/11/21 17:18:05 vlad Exp $ */
#ifndef __QfButton_H
#define __QfButton_H

#include <zm/Zm.h>
#include <zm/qvfcdefs.h>
#include <zm/QfBrick.H>


/***********************************************************************
 * Action button object.  Provides way to execute some action on push
 * the button.
 */
class QfButton: public QfBrick
{
protected:

  /* XmSTRING or XmPIXMAP */
  int       labelType;

  /* Temporal slot to store label between construction and create_self() */
  XmString  xmsLabel;

  /* Temporal slot to store icon between construction and create_self() */
  ZmBitmapSource    icon;

  /* XmPushButton */
  virtual void  create_self (Widget wParent);

  /* Pointer at action procedure or NULL. */
  QfActionProc  pActionProc;

  /* Pointer at user data to pass in action procedure. */
  void      *pActionUserData;

  /* Button-press event. */
  static void   activate_cb (Widget w, XtPointer pUserData,
                 XtPointer pCallData);

public:

  /* Button with text label. */
  QfButton (char* szLabel,
        QfActionProc pProc = NULL,
        void* pUserData = NULL);

  /* Button with icon. */
  QfButton (char* pIconData, int nIconWidth, int nIconHeight,
        QfActionProc pProc = NULL,
        void* pUserData = NULL);
  /* You can use it like with:
     #include <zm/zoom_in.xbm>
     ...
     << new QfButton(ZmInlineXBM(zoom_in), ZoomInCB);
  */

  /*
   *  Adjustable features.
   */

  /* Execute this procedure on button press.  Calls for pActionProc
     if pActionProc!=NULL */
  virtual void  action ();

};


#endif /* QfButton.H */