xref: /xsrc/external/mit/libXaw/dist/src/Grip.c

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in this Software without prior written authorization from The Open Group.


Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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******************************************************************/

/*
 * Grip.c - Grip Widget (Used by Paned Widget)
 *
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <X11/Xaw/GripP.h>
#include <X11/Xaw/XawInit.h>

/*
 * Prototypes
 */
static void
GripAction(Widget, XEvent*, String*, Cardinal*);

/*
 * Initialization
 */
static XtResource resources[] = {
  {
    XtNwidth,
    XtCWidth,
    XtRDimension,
    sizeof(Dimension),
    XtOffsetOf(GripRec, core.width),
    XtRImmediate,
    (XtPointer)DEFAULT_GRIP_SIZE
  },
  {
    XtNheight,
    XtCHeight,
    XtRDimension,
    sizeof(Dimension),
    XtOffsetOf(GripRec, core.height),
    XtRImmediate,
    (XtPointer)DEFAULT_GRIP_SIZE
  },
  {
    XtNforeground,
    XtCForeground,
    XtRPixel,
    sizeof(Pixel),
    XtOffsetOf(GripRec, core.background_pixel),
    XtRString,
    (XtPointer)XtDefaultForeground
  },
  {
    XtNborderWidth,
    XtCBorderWidth,
    XtRDimension,
    sizeof(Dimension),
    XtOffsetOf(GripRec, core.border_width),
    XtRImmediate,
    (XtPointer)0
  },
  {
    XtNcallback,
    XtCCallback,
    XtRCallback,
    sizeof(XtPointer),
    XtOffsetOf(GripRec, grip.grip_action),
    XtRCallback,
    NULL
  },
};

static XtActionsRec actionsList[] =
{
  {"GripAction",      GripAction},
};

#define Superclass	(&simpleClassRec)

GripClassRec gripClassRec = {
  /* core */
   {
     (WidgetClass)Superclass,		/* superclass */
     "Grip",				/* class name */
     sizeof(GripRec),			/* size */
     XawInitializeWidgetSet,		/* class initialize */
     NULL,				/* class_part_init */
     False,				/* class_inited */
     NULL,				/* initialize */
     NULL,				/* initialize_hook */
     XtInheritRealize,			/* realize */
     actionsList,			/* actions */
     XtNumber(actionsList),		/* num_actions */
     resources,				/* resources */
     XtNumber(resources),		/* num_resources */
     NULLQUARK,				/* xrm_class */
     True,				/* compress_motion */
     True,				/* compress_exposure */
     True,				/* compress_enterleave */
     False,				/* visible_interest */
     NULL,				/* destroy */
     NULL,				/* resize */
     XtInheritExpose,			/* expose */
     NULL,				/* set_values */
     NULL,				/* set_values_hook */
     XtInheritSetValuesAlmost,		/* set_values_almost */
     NULL,				/* get_values_hook */
     NULL,				/* accept_focus */
     XtVersion,				/* version */
     NULL,				/* callback_private */
     NULL,				/* tm_table */
     XtInheritQueryGeometry,		/* query_geometry */
     XtInheritDisplayAccelerator,	/* display_accelerator */
     NULL,				/* extension */
   },
   /* simple */
   {
     XtInheritChangeSensitive,		/* change_sensitive */
#ifndef OLDXAW
     NULL,
#endif
   },
   /* grip */
   {
     NULL,				/* extension */
   }
};

WidgetClass gripWidgetClass = (WidgetClass)&gripClassRec;

/*
 * Implementation
 */
static void
GripAction(Widget widget, XEvent *event, String *params, Cardinal *num_params)
{
    XawGripCallDataRec call_data = {
	.event = event,
	.params = params,
	.num_params = *num_params
    };

    XtCallCallbacks(widget, XtNcallback, (XtPointer)&call_data);
}