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#ifndef lint
static char *rcsid = "$Id: Canvas.c,v 1.3 1991/09/23 03:57:20 ishisone Rel $";
#endif
/*
* Copyright (c) 1990 Software Research Associates, Inc.
*
* 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 Software Research Associates not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. Software Research
* Associates makes no representations about the suitability of this software
* for any purpose. It is provided "as is" without express or implied
* warranty.
*
* Author: Makoto Ishisone, Software Research Associates, Inc., Japan
*/
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include "CanvasP.h"
static XtResource resources[] = {
#define offset(field) XtOffset(CanvasWidget, canvas.field)
{ XtNexposeCallback, XtCCallback, XtRCallback, sizeof(XtCallbackList),
offset(exposecallback), XtRCallback, (XtPointer)NULL },
{ XtNresizeCallback, XtCCallback, XtRCallback, sizeof(XtCallbackList),
offset(resizecallback), XtRCallback, (XtPointer)NULL },
#undef offset
};
static void Redisplay();
static void Resize();
CanvasClassRec canvasClassRec = {
{ /* core fields */
/* superclass */ (WidgetClass) &widgetClassRec,
/* class_name */ "Canvas",
/* widget_size */ sizeof(CanvasRec),
/* class_initialize */ NULL,
/* class_part_initialize */ NULL,
/* class_inited */ FALSE,
/* initialize */ NULL,
/* initialize_hook */ NULL,
/* realize */ XtInheritRealize,
/* actions */ NULL,
/* num_actions */ 0,
/* resources */ resources,
/* num_resources */ XtNumber(resources),
/* xrm_class */ NULLQUARK,
/* compress_motion */ TRUE,
/* compress_exposure */ TRUE,
/* compress_enterleave */ TRUE,
/* visible_interest */ FALSE,
/* destroy */ NULL,
/* resize */ Resize,
/* expose */ Redisplay,
/* set_values */ NULL,
/* set_values_hook */ NULL,
/* set_values_almost */ XtInheritSetValuesAlmost,
/* get_values_hook */ NULL,
/* accept_focus */ NULL,
/* version */ XtVersion,
/* callback_private */ NULL,
/* tm_table */ NULL,
/* query_geometry */ XtInheritQueryGeometry,
/* display_accelerator */ XtInheritDisplayAccelerator,
/* extension */ NULL
},
{ /* canvas fields */
/* empty */ 0
}
};
WidgetClass canvasWidgetClass = (WidgetClass)&canvasClassRec;
/* ARGSUSED */
static void
Redisplay(w, event, region)
Widget w;
XEvent *event;
Region region;
{
CanvasWidget csw = (CanvasWidget)w;
XtCallCallbackList(w, csw->canvas.exposecallback, (XtPointer)event);
}
static void
Resize(w)
Widget w;
{
CanvasWidget csw = (CanvasWidget)w;
XtCallCallbackList(w, csw->canvas.resizecallback, (XtPointer)NULL);
}
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