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/*
* Copyright 1987, 1998 The Open Group
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation.
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of The Open Group shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from The Open Group.
*/
/*
* Copyright 2002 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* Authors:
* Rickard E. (Rik) Faith <faith@redhat.com>
*
* This file was originally taken from xc/lib/Xaw/Template.c
*/
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include "CanvasP.h"
static void CanvasInitialize(Widget request, Widget w,
ArgList args, Cardinal *num_args)
{
}
static void CanvasExpose(Widget w, XEvent *event, Region region)
{
CanvasExposeDataRec data;
data.w = w;
data.event = event;
data.region = region;
if (!XtIsRealized(w)) return;
XtCallCallbacks(w, XtNcanvasExposeCallback, (XtPointer)&data);
}
static void CanvasResize(Widget w)
{
if (!XtIsRealized(w)) return;
XtCallCallbacks(w, XtNcanvasResizeCallback, (XtPointer)w);
}
static void CanvasAction(Widget w, XEvent *event,
String *params, Cardinal *num_params)
{
XtCallCallbacks(w, XtNcallback, (XtPointer)event);
}
#define offset(field) XtOffsetOf(CanvasRec, canvas.field)
static XtResource resources[] = {
{ XtNcallback, XtCCallback, XtRCallback,
sizeof(XtCallbackList), offset(input_callback), XtRCallback, NULL },
{ XtNcanvasExposeCallback, XtCcanvasExposeCallback, XtRCallback,
sizeof(XtCallbackList), offset(expose_callback), XtRCallback, NULL },
{ XtNcanvasResizeCallback, XtCcanvasResizeCallback, XtRCallback,
sizeof(XtCallbackList), offset(resize_callback), XtRCallback, NULL },
};
#undef offset
static XtActionsRec actions[] =
{
{"canvas", CanvasAction},
};
static char translations[] =
"<Key>: canvas()\n\
<Motion>: canvas()\n\
<BtnDown>: canvas()\n\
<BtnUp>: canvas()\n\
"
;
#define Superclass (&widgetClassRec)
CanvasClassRec canvasClassRec = {
/* core */
{
(WidgetClass)Superclass, /* superclass */
"Canvas", /* class_name */
sizeof(CanvasRec), /* widget_size */
NULL, /* class_initialize */
NULL, /* class_part_initialize */
False, /* class_inited */
CanvasInitialize, /* initialize */
NULL, /* initialize_hook */
XtInheritRealize, /* realize */
actions, /* actions */
XtNumber(actions), /* 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 */
CanvasResize, /* resize */
CanvasExpose, /* expose */
NULL, /* set_values */
NULL, /* set_values_hook */
XtInheritSetValuesAlmost, /* set_values_almost */
NULL, /* get_values_hook */
NULL, /* accept_focus */
XtVersion, /* version */
NULL, /* callback_private */
translations, /* tm_table */
XtInheritQueryGeometry, /* query_geometry */
XtInheritDisplayAccelerator, /* display_accelerator */
NULL, /* extension */
},
/* canvas */
{
NULL, /* extension */
}
};
WidgetClass canvasWidgetClass = (WidgetClass)&canvasClassRec;
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