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/* test-uid.c --- playing with grabs.
* xscreensaver, Copyright © 1999-2021 Jamie Zawinski <jwz@jwz.org>
*
* 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. No representations are made about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdio.h>
#include <sys/time.h>
#include <X11/Xlib.h>
#include <X11/Intrinsic.h>
#include <X11/cursorfont.h>
#include "blurb.h"
char *progclass = "XScreenSaver";
#define ALL_POINTER_EVENTS \
(ButtonPressMask | ButtonReleaseMask | EnterWindowMask | \
LeaveWindowMask | PointerMotionMask | PointerMotionHintMask | \
Button1MotionMask | Button2MotionMask | Button3MotionMask | \
Button4MotionMask | Button5MotionMask | ButtonMotionMask)
int
main (int argc, char **argv)
{
XtAppContext app;
int kstatus = AlreadyGrabbed, mstatus = AlreadyGrabbed;
Cursor cursor1, cursor2;
int delay1 = 15;
int delay2 = 60 * 15 - delay1;
Widget toplevel_shell = XtAppInitialize (&app, progclass, 0, 0,
&argc, argv, 0, 0, 0);
Display *dpy = XtDisplay (toplevel_shell);
Window w = RootWindow (dpy, DefaultScreen(dpy));
int i;
Bool grab_kbd_p = True;
Bool grab_mouse_p = True;
Bool mouse_sync_p = True;
Bool kbd_sync_p = True;
progname = argv[0];
cursor1 = XCreateFontCursor (dpy, XC_hand1);
cursor2 = XCreateFontCursor (dpy, XC_gumby);
for (i = 1; i < argc; i++)
{
const char *oa = argv[i];
if (argv[i][0] == '-' && argv[i][1] == '-')
argv[i]++;
if (!strcmp (argv[i], "-kbd") || !strcmp (argv[i], "-keyboard"))
grab_mouse_p = False;
else if (!strcmp (argv[i], "-mouse") || !strcmp (argv[i], "-pointer"))
grab_kbd_p = False;
else if (!strcmp (argv[i], "-kbd-sync") ||
!strcmp (argv[i], "-keyboard-sync"))
kbd_sync_p = True;
else if (!strcmp (argv[i], "-kbd-async") ||
!strcmp (argv[i], "-keyboard-async"))
kbd_sync_p = False;
else if (!strcmp (argv[i], "-mouse-sync") ||
!strcmp (argv[i], "-pointer-sync"))
mouse_sync_p = True;
else if (!strcmp (argv[i], "-mouse-async") ||
!strcmp (argv[i], "-pointer-async"))
mouse_sync_p = False;
else
{
fprintf (stderr, "%s: unknown option: %s\n", blurb(), oa);
exit (1);
}
}
if (grab_kbd_p)
{
kstatus = XGrabKeyboard (dpy, w, True,
(mouse_sync_p ? GrabModeSync : GrabModeAsync),
(kbd_sync_p ? GrabModeSync : GrabModeAsync),
CurrentTime);
fprintf (stderr, "%s: grabbing keyboard on 0x%lx (%s, %s)... %s\n",
progname, (unsigned long) w,
(mouse_sync_p ? "sync" : "async"),
(kbd_sync_p ? "sync" : "async"),
(kstatus == GrabSuccess ? "GrabSuccess" :
kstatus == AlreadyGrabbed ? "AlreadyGrabbed" :
kstatus == GrabInvalidTime ? "GrabInvalidTime" :
kstatus == GrabNotViewable ? "GrabNotViewable" :
kstatus == GrabFrozen ? "GrabFrozen" :
"???"));
}
if (grab_mouse_p)
{
mstatus = XGrabPointer (dpy, w, True, ALL_POINTER_EVENTS,
(mouse_sync_p ? GrabModeSync : GrabModeAsync),
(kbd_sync_p ? GrabModeSync : GrabModeAsync),
None, cursor1, CurrentTime);
fprintf (stderr, "%s: grabbing mouse on 0x%lx (%s, %s)... %s\n",
progname, (unsigned long) w,
(mouse_sync_p ? "sync" : "async"),
(kbd_sync_p ? "sync" : "async"),
(mstatus == GrabSuccess ? "GrabSuccess" :
mstatus == AlreadyGrabbed ? "AlreadyGrabbed" :
mstatus == GrabInvalidTime ? "GrabInvalidTime" :
mstatus == GrabNotViewable ? "GrabNotViewable" :
mstatus == GrabFrozen ? "GrabFrozen" :
"???"));
}
XSync(dpy, False);
if (kstatus == GrabSuccess || mstatus == GrabSuccess)
{
fprintf (stderr, "%s: sleeping for %d:%02d:%02d...\n",
progname,
delay1 / (60 * 60),
(delay1 % (60 * 60)) / 60,
delay1 % 60);
sleep (delay1);
fprintf (stderr, "%s: changing mouse cursor...\n", progname);
mstatus = XGrabPointer (dpy, w, True, ALL_POINTER_EVENTS,
(mouse_sync_p ? GrabModeSync : GrabModeAsync),
(kbd_sync_p ? GrabModeSync : GrabModeAsync),
None, cursor2, CurrentTime);
XSync (dpy, False);
if (mstatus != GrabSuccess)
fprintf (stderr, "%s: failed: %s\n", progname,
(mstatus == GrabSuccess ? "GrabSuccess" :
mstatus == AlreadyGrabbed ? "AlreadyGrabbed" :
mstatus == GrabInvalidTime ? "GrabInvalidTime" :
mstatus == GrabNotViewable ? "GrabNotViewable" :
mstatus == GrabFrozen ? "GrabFrozen" :
"???"));
fprintf (stderr, "%s: sleeping for %d:%02d:%02d...\n",
progname,
delay2 / (60 * 60),
(delay2 % (60 * 60)) / 60,
delay2 % 60);
fflush (stderr);
sleep (delay2);
XSync (dpy, False);
}
exit (0);
}
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