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/*
** Grab.c for XmtdsGrab widget in .
**
** Made by MaxTheDogSays (dubray_f@epita.fr && rancur_v@epita.fr
** Login <vr@epita.fr>
**
** Started on Mon May 16 22:24:08 1994 vr
** Last update Tue Apr 4 02:31:06 1995 mtds
*/
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <stdio.h>
#include <stdlib.h>
#include "XmtdsI.h"
#include "GrabP.h"
static void Initialize();
static void SetValues();
static void Redisplay();
static void Destroy();
static void timer();
static void copy();
static XtResource resources[] =
{
{XmtdsNdisplayName, XmtdsCDisplayName,XtRString, sizeof (char *),
XtOffset(XmtdsGrabWidget, xmtds_grab.display_name),
XtRString, NULL},
{XmtdsNinterval, XmtdsCInterval, XtRInt, sizeof (int),
XtOffset(XmtdsGrabWidget, xmtds_grab.interval),
XtRString, "200"}
};
XmtdsGrabClassRec xmtdsGrabClassRec = {
{
/* core */
(WidgetClass)&widgetClassRec, /* superclass */
"XmtdsGrab", /* class name */
sizeof(XmtdsGrabRec), /* size */
NULL, /* class initialize */
NULL, /* class_part_init */
FALSE, /* class_inited */
Initialize, /* initialize */
NULL, /* initialize_hook */
XtInheritRealize, /* realize */
NULL, /* actions */
0, /* num_actions */
resources, /* resources */
XtNumber(resources), /* resource_count */
NULLQUARK, /* xrm_class */
TRUE, /* compress_motion */
TRUE, /* compress_exposure */
TRUE, /* compress_enterleave */
FALSE, /* visible_interest */
Destroy, /* destroy */
NULL, /* resize */
Redisplay, /* 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 */
},
/* xmtds_grab */
{
0, /* empty */
}
};
WidgetClass xmtdsGrabWidgetClass = (WidgetClass)&xmtdsGrabClassRec;
static void Initialize(request,new,args,num_args)
XmtdsGrabWidget request;
XmtdsGrabWidget new;
ArgList args;
Cardinal *num_args;
{
XGCValues xgcv;
if ((NEW_GRAB.display =
XOpenDisplay((char *)NEW_GRAB.display_name)) == NULL)
{
XtWarning("can't open display");
exit(-1);
}
xgcv.function = GXcopy;
NEW_GRAB.gc = XCreateGC(XtDisplay(new),
W_ROOT(new),
GCFunction,
&xgcv);
NEW_GRAB.xt_interval_id =
XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)new),
NEW_GRAB.interval,
(XtTimerCallbackProc)timer,
(void *)new);
NEW_CORE.width =
DisplayWidth(NEW_GRAB.display,DefaultScreen(NEW_GRAB.display));
NEW_CORE.height =
DisplayHeight(NEW_GRAB.display,DefaultScreen(NEW_GRAB.display));
}
static void SetValues(old,request,new,args,num_args)
XmtdsGrabWidget old;
XmtdsGrabWidget request;
XmtdsGrabWidget new;
ArgList args;
Cardinal *num_args;
{
/* TODO */
}
static void Redisplay(w,event,region)
XmtdsGrabWidget w;
XExposeEvent *event;
Region region;
{
copy(w,event->x,event->y,event->width,event->height);
}
static void Destroy(w)
XmtdsGrabWidget w;
{
XCloseDisplay(GRAB.display);
XtRemoveTimeOut(GRAB.xt_interval_id);
}
static void timer(w,id)
XmtdsGrabWidget w;
XtIntervalId *id;
{
Dimension width;
Dimension height;
#ifdef SYNC
XSync(XtDisplay(w),FALSE);
#endif /* SYNC */
XtVaGetValues(XtParent(w),
XtNwidth, &width,
XtNheight, &height,
NULL);
copy(w,ABS(CORE.x),ABS(CORE.y),width,height);
GRAB.xt_interval_id =
XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)w),
GRAB.interval,
timer,
(void *)w);
}
static void copy(w,x,y,width,height)
XmtdsGrabWidget w;
Position x;
Position y;
Dimension width;
Dimension height;
{
XImage *image;
Dimension dpy_width;
Dimension dpy_height;
dpy_width = DisplayWidth(GRAB.display,DefaultScreen(GRAB.display));
dpy_height = DisplayHeight(GRAB.display,DefaultScreen(GRAB.display));
if ((x + width) > dpy_width)
width = dpy_width - x;
if ((y + height) > dpy_height)
height = dpy_height - y;
image =
XGetImage(GRAB.display,
DefaultRootWindow(GRAB.display),
x,
y,
width,
height,
AllPlanes,
ZPixmap);
XPutImage(XtDisplay(w),
XtWindow(w),
GRAB.gc,
image,
0,
0,
x,
y,
width,
height);
XDestroyImage(image);
}
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