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-rw-r--r--driver/xset.c389
1 files changed, 0 insertions, 389 deletions
diff --git a/driver/xset.c b/driver/xset.c
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index a381429..0000000
--- a/driver/xset.c
+++ /dev/null
@@ -1,389 +0,0 @@
-/* xset.c --- interacting with server extensions and the builtin screensaver.
- * xscreensaver, Copyright (c) 1991-2008 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 <stdio.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xatom.h>
-#include <X11/Xos.h>
-
-/* This file doesn't need the Xt headers, so stub these types out... */
-#undef XtPointer
-#define XtAppContext void*
-#define XrmDatabase void*
-#define XtIntervalId void*
-#define XtPointer void*
-#define Widget void*
-
-#include "xscreensaver.h"
-
-#ifdef _VROOT_H_
-ERROR! You must not include vroot.h in this file.
-#endif
-
-
-/* MIT SCREEN-SAVER server extension hackery.
- */
-
-#ifdef HAVE_MIT_SAVER_EXTENSION
-
-# include <X11/extensions/scrnsaver.h>
-
-static int
-ignore_all_errors_ehandler (Display *dpy, XErrorEvent *error)
-{
- return 0;
-}
-
-static void
-init_mit_saver_extension (saver_info *si)
-{
- int i;
- Pixmap *blank_pix = (Pixmap *) calloc (sizeof(Pixmap), si->nscreens);
-
- for (i = 0; i < si->nscreens; i++)
- {
- saver_screen_info *ssi = &si->screens[i];
- XID kill_id = 0;
- Atom kill_type = 0;
- Window root = RootWindowOfScreen (ssi->screen);
- blank_pix[i] = XCreatePixmap (si->dpy, root, 1, 1, 1);
-
- /* Kill off the old MIT-SCREEN-SAVER client if there is one.
- This tends to generate X errors, though (possibly due to a bug
- in the server extension itself?) so just ignore errors here. */
- if (XScreenSaverGetRegistered (si->dpy,
- XScreenNumberOfScreen (ssi->screen),
- &kill_id, &kill_type)
- && kill_id != blank_pix[i])
- {
- XErrorHandler old_handler =
- XSetErrorHandler (ignore_all_errors_ehandler);
- XKillClient (si->dpy, kill_id);
- XSync (si->dpy, False);
- XSetErrorHandler (old_handler);
- }
- XScreenSaverSelectInput (si->dpy, root, ScreenSaverNotifyMask);
- XScreenSaverRegister (si->dpy,
- XScreenNumberOfScreen (ssi->screen),
- (XID) blank_pix[i], XA_PIXMAP);
- }
- free(blank_pix);
-}
-#endif /* HAVE_MIT_SAVER_EXTENSION */
-
-
-#ifdef HAVE_XINPUT
-/* XInputExtension device support */
-
-Bool
-query_xinput_extension (saver_info *si)
-{
- XExtCodes codes;
- return XQueryExtension (si->dpy, INAME, &codes.major_opcode,
- &codes.first_event, &codes.first_error);
-}
-
-void
-init_xinput_extension (saver_info *si)
-{
- int i, ndevices;
- int class;
- XDeviceInfo *list;
- XDevice *dev;
- XAnyClassPtr pClass;
- XEventClass *event_list;
- int nevents = 0;
-
- /* skip if already initialized */
- if (si->num_xinput_devices && si->xinput_devices)
- return;
-
- si->num_xinput_devices = 0;
-
- list = XListInputDevices (si->dpy, &ndevices);
- if (list == NULL)
- {
- si->xinput_devices = NULL;
- return;
- }
-
- /* We only care about 3 event types per device (DeviceButtonPress,
- DeviceButtonRelease, and DeviceMotionNotify), hence the "* 3"
- for the event count. */
- event_list = calloc(ndevices * 3, sizeof(XEventClass));
- if (event_list == NULL)
- return;
-
- si->xinput_devices = calloc(ndevices, sizeof(struct xinput_dev_info));
- if (si->xinput_devices == NULL)
- {
- free(event_list);
- return;
- }
-
- for (i = 0; i < ndevices; i++)
- {
- if ((list[i].use == IsXExtensionDevice)
-#ifdef IsXExtensionPointer
- || (list[i].use == IsXExtensionPointer)
-#endif
- )
- {
- struct xinput_dev_info *dev_info =
- &si->xinput_devices[si->num_xinput_devices];
- Bool device_we_want = False;
-
- if (si->prefs.debug_p)
- fprintf(stderr,
- "Extension device #%2d: XID=%2d type=%3d name=\"%s\"\n",
- i, (int) list[i].id, (int) list[i].type, list[i].name);
-
- dev = XOpenDevice (si->dpy, list[i].id);
- if (!dev)
- continue;
- dev_info->device = dev;
-
- pClass = list[i].inputclassinfo;
- for (class = 0; class < list[i].num_classes; class++)
- {
- switch (pClass->class)
- {
- case ButtonClass:
- if (((XButtonInfo *) pClass)->num_buttons > 0)
- {
- /* Macros set values in the second & third arguments */
- DeviceButtonPress (dev, si->xinput_DeviceButtonPress,
- dev_info->press);
- event_list[nevents++] = dev_info->press;
-
- DeviceButtonRelease (dev, si->xinput_DeviceButtonRelease,
- dev_info->release);
- event_list[nevents++] = dev_info->release;
- device_we_want = True;
- }
- break;
-
- case ValuatorClass:
- if (((XValuatorInfo *) pClass)->num_axes > 0)
- {
- DeviceMotionNotify (dev, si->xinput_DeviceMotionNotify,
- dev_info->valuator);
- event_list[nevents++] = dev_info->valuator;
- device_we_want = True;
- }
- break;
-
- default:
- /* ignore other classes of devices/events */
- break;
- }
-
- pClass = (XAnyClassPtr) & ((char *) pClass)[pClass->length];
- }
-
- if (device_we_want)
- si->num_xinput_devices++;
- else
- XCloseDevice (si->dpy, dev);
- }
- }
-
- if (list)
- XFreeDeviceList (list);
-
- if ((nevents == 0) || (si->num_xinput_devices == 0))
- {
- free(event_list);
- free(si->xinput_devices);
- si->xinput_devices = NULL;
- si->num_xinput_devices = 0;
- return;
- }
-
- for (i = 0; i < si->nscreens; i++)
- {
- saver_screen_info *ssi = &si->screens[i];
- Window root = RootWindowOfScreen (ssi->screen);
- XSelectExtensionEvent (si->dpy, root, event_list, nevents);
- }
-
- free(event_list);
-}
-
-#if 0
-/* not used */
-static void
-close_xinput_extension (saver_info *si)
-{
- int i;
-
- for (i = 0; i < si->num_xinput_devices; i++)
- XCloseDevice (si->dpy, si->xinput_devices[i].device);
-
- free(si->xinput_devices);
- si->xinput_devices = NULL;
- si->num_xinput_devices = 0;
-}
-#endif
-#endif /* HAVE_XINPUT */
-
-
-/* SGI SCREEN_SAVER server extension hackery.
- */
-
-#ifdef HAVE_SGI_SAVER_EXTENSION
-
-# include <X11/extensions/XScreenSaver.h>
-
-static void
-init_sgi_saver_extension (saver_info *si)
-{
- saver_preferences *p = &si->prefs;
- int i;
- if (si->screen_blanked_p)
- /* If you mess with this while the server thinks it's active,
- the server crashes. */
- return;
-
- for (i = 0; i < si->nscreens; i++)
- {
- saver_screen_info *ssi = &si->screens[i];
- XScreenSaverDisable (si->dpy, XScreenNumberOfScreen(ssi->screen));
- if (! XScreenSaverEnable (si->dpy, XScreenNumberOfScreen(ssi->screen)))
- {
- fprintf (stderr,
- "%s: SGI SCREEN_SAVER extension exists, but can't be initialized;\n\
- perhaps some other screensaver program is already running?\n",
- blurb());
- si->using_sgi_saver_extension = False;
- return;
- }
- }
-}
-
-#endif /* HAVE_SGI_SAVER_EXTENSION */
-
-
-
-/* Figuring out what the appropriate XSetScreenSaver() parameters are
- (one wouldn't expect this to be rocket science.)
- */
-
-void
-disable_builtin_screensaver (saver_info *si, Bool unblank_screen_p)
-{
- saver_preferences *p = &si->prefs;
- int current_server_timeout, current_server_interval;
- int current_prefer_blank, current_allow_exp;
- int desired_server_timeout, desired_server_interval;
- int desired_prefer_blank, desired_allow_exp;
-
- XGetScreenSaver (si->dpy, &current_server_timeout, &current_server_interval,
- &current_prefer_blank, &current_allow_exp);
-
- desired_server_timeout = current_server_timeout;
- desired_server_interval = current_server_interval;
- desired_prefer_blank = current_prefer_blank;
- desired_allow_exp = current_allow_exp;
-
- /* On SGIs, if interval is non-zero, it is the number of seconds after
- screen saving starts at which the monitor should be powered down.
- Obviously I don't want that, so set it to 0 (meaning "never".)
-
- Power saving is disabled if DontPreferBlanking, but in that case,
- we don't get extension events either. So we can't turn it off that way.
-
- Note: if you're running Irix 6.3 (O2), you may find that your monitor is
- powering down anyway, regardless of the xset settings. This is fixed by
- installing SGI patches 2447 and 2537.
- */
- desired_server_interval = 0;
-
- /* I suspect (but am not sure) that DontAllowExposures might have
- something to do with powering off the monitor as well, at least
- on some systems that don't support XDPMS? Who knows... */
- desired_allow_exp = AllowExposures;
-
- if (si->using_mit_saver_extension || si->using_sgi_saver_extension)
- {
- desired_server_timeout = (p->timeout / 1000);
-
- /* The SGI extension won't give us events unless blanking is on.
- I think (unsure right now) that the MIT extension is the opposite. */
- if (si->using_sgi_saver_extension)
- desired_prefer_blank = PreferBlanking;
- else
- desired_prefer_blank = DontPreferBlanking;
- }
- else
- {
- /* When we're not using an extension, set the server-side timeout to 0,
- so that the server never gets involved with screen blanking, and we
- do it all ourselves. (However, when we *are* using an extension,
- we tell the server when to notify us, and rather than blanking the
- screen, the server will send us an X event telling us to blank.)
- */
- desired_server_timeout = 0;
- }
-
- /* XSetScreenSaver() generates BadValue if either timeout parameter
- exceeds 15 bits (signed short.) That is 09:06:07.
- */
- if (desired_server_timeout > 0x7FFF) desired_server_timeout = 0x7FFF;
- if (desired_server_interval > 0x7FFF) desired_server_interval = 0x7FFF;
-
- if (desired_server_timeout != current_server_timeout ||
- desired_server_interval != current_server_interval ||
- desired_prefer_blank != current_prefer_blank ||
- desired_allow_exp != current_allow_exp)
- {
- if (p->verbose_p)
- fprintf (stderr,
- "%s: disabling server builtin screensaver:\n"
- "%s: (xset s %d %d; xset s %s; xset s %s)\n",
- blurb(), blurb(),
- desired_server_timeout, desired_server_interval,
- (desired_prefer_blank ? "blank" : "noblank"),
- (desired_allow_exp ? "expose" : "noexpose"));
-
- XSetScreenSaver (si->dpy,
- desired_server_timeout, desired_server_interval,
- desired_prefer_blank, desired_allow_exp);
- XSync(si->dpy, False);
- }
-
-
-#if defined(HAVE_MIT_SAVER_EXTENSION) || defined(HAVE_SGI_SAVER_EXTENSION)
- {
- static Bool extension_initted = False;
- if (!extension_initted)
- {
- extension_initted = True;
-# ifdef HAVE_MIT_SAVER_EXTENSION
- if (si->using_mit_saver_extension) init_mit_saver_extension(si);
-# endif
-# ifdef HAVE_SGI_SAVER_EXTENSION
- if (si->using_sgi_saver_extension) init_sgi_saver_extension(si);
-# endif
- }
- }
-#endif /* HAVE_MIT_SAVER_EXTENSION || HAVE_SGI_SAVER_EXTENSION */
-
- if (unblank_screen_p)
- /* Turn off the server builtin saver if it is now running. */
- XForceScreenSaver (si->dpy, ScreenSaverReset);
-}
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