4 a screen saver and locker for the X window system
7 http://www.jwz.org/xscreensaver/
15 The `configure' shell script will attempt to figure out which options are
16 appropriate for your system, and will create config.h and the various
17 Makefiles for you. Run `configure --help' to see how to override these
18 choices, or to specify things like the default installation directory.
19 The file `INSTALL' gives a general overview of use of these sorts of
20 configure scripts (those generated by the GNU autoconf system.)
21 The most important hint is probably this:
23 ./configure --with-motif=/opt/Motif --with-xpm=/usr/local
25 To build on VMS, see README.VMS.
27 If you think you've found a bug, please let me know! No bug report is too
28 small. But first, please read the enclosed `README.debugging' file to find
29 out what kind of information would be most helpful to include in your bug
34 You can try out xscreensaver like so:
39 The XScreenSaver suite of applications uses a client-server model:
40 The `xscreensaver' program is a daemon that runs in the background;
41 it is controlled by the foreground `xscreensaver-demo' program.
43 xscreensaver has an extensive manual -- please read it!
47 The xscreensaver daemon waits until the keyboard and mouse have been idle
48 for a period, and then runs a graphics demo chosen at random. The demo is
49 terminated as soon as there is any mouse or keyboard activity (or, in
50 locking mode, when the proper password is typed.)
52 It is trivially easy to add new display modes to xscreensaver: any program
53 which can be invoked in such a way that it draws on the root window of the
54 screen can be used as a screensaver. You just change a config file --
55 there's no need to recompile or reinstall anything.
59 Along with the xscreensaver daemon itself, this package also includes
60 numerous graphics hacks for use as screensavers. There is nothing
61 magic about these: they are just programs that draw on the root window.
62 More than 140 such programs are included. For details, see the
63 xscreensaver web page, or the enclosed manual pages.
65 The latest version of xscreensaver is always available on the web at
66 http://www.jwz.org/xscreensaver/.
68 Looking for tips on writing your own screensavers? There is an entry in
69 the XScreenSaver FAQ about that: http://www.jwz.org/xscreensaver/faq.html
73 Changes since 4.03: * Support for GTK 2.x / GNOME 2.x.
74 * The `configure' script will now use `pkg-config' if
75 you have it, in preference to `gtk-config', etc.
76 * New hacks, `lavalite', `queens', and `anemone'.
77 * Minor updates to `spheremonics', `gltext', `xmatrix'.
78 * You can use the mouse to manually spin most of the GL
79 hacks now (when they are displaying in a window.)
80 * Fixed a bug in `webcollage' (due to recent Alta Vista
81 url changes) that was causing it to try and load
83 * Made `xscreensaver-getimage' use gdk_pixbuf if it is
84 available: this means that those hacks that load images
85 will no longer rely on "xv", "xloadimage", etc. This
86 will close a race condition that could sometimes cause
87 your desktop background to be changed; and also makes
88 it possible for those programs to operate on image
89 files when running in non-root mode.
90 * `webcollage' can now be used in conjunction with
91 `driftnet' to display images snooped from your local
92 ethernet instead of obtained from search engines.
93 * Added man pages for all the hacks that didn't have
95 Changes since 4.02: * New hack, `spheremonics'.
96 * Minor updates to `webcollage', `cage', `moebius',
97 `morph3d', `boxed', `circuit', and `helix'.
98 * `pulsar' and `extrusion' can now load texture JPEGs.
99 * `rubik' now does non-square cubes.
100 * `fluidballs' now does various sizes of balls.
101 * `menger' and `sierpinski3d' now also show polygon
103 * `molecule' displays real subscripts in the formulae.
104 * GTK internationalization/localization support.
105 * Better detection of the various versions of libxml.
106 * Upgraded to autoconf 2.53 (from 2.13.)
107 Changes since 4.01: * Plugged a few minor leaks in `xscreensaver' and
109 * New hacks, `cubenetic' and `fluidballs'.
111 * Fixed sphere projection error in `glplanet'; installed
112 a better image of earth.
113 * Added Win2K and MacOS 1 crashes to `bsod'.
114 * Put back previous (better) version of `forest' that
115 was accidentially downgraded in the last release.
116 * New version of `bumps'.
117 * Made FPS computation in GL hacks more efficient: it
118 will influence the results less, thus resulting in
119 higher (but more accurate) reported frame rates.
120 Changes since 4.00: * New hacks: `twang', `glsnake', `boxed', `sballs',
122 * New hacks `apollonian', `euler2d', `juggle',
123 `polyominoes' and `thornbird', from xlockmore.
124 * Merged recent xlockmore changes into `ant', `braid',
125 `demon', `discrete', `drift', `fadeplot', `forest',
126 `grav', `hopalong', `ifs', `laser', `lightning',
127 `lisa', `lissie', `loop', `mountain', `penrose',
128 `rotor', `sierpinski', `slip', `sphere', `spiral',
129 `strange', and `vines'.
130 * Fixed the `gltext' bug that sometimes caused
131 horizontal lines to vanish again. This time for sure.
132 * Sped up `webcollage' by adding a C helper program to
133 replace the PPM pipeline. It also pastes images
134 semi-transparently now.
135 * Added support for the gdk_pixbuf library: if this lib
136 is available, then `blitspin', `xflame', and `flag'
137 can load GIF, JPEG, and PNG images in addition to XPM
139 * Fixed a rare race condition where the desktop-grabbing
140 hacks could sometimes leave the screen wedged, if the
141 user moved the mouse exactly when they were grabbing
142 the screen image (it would un-wedge the next time the
143 saver timed out or was activated.)
144 * Fixed incorrect colors in the screen-grabbing GL hacks
145 (`gflux' and `flipscreen3d'.)
146 * Made SIGHUP restart the daemon process (though using
147 `xscreensaver-command -restart' is still the preferred
149 * Tweaks to `xspirograph'.
150 * Minor configure and portability tweaks.
151 Changes since 3.34: * Redesigned `xscreensaver-demo' GUI: it now includes
152 small-preview and per-hack configuration dialogs.
153 * Added three new modes of operation: `One Screen Saver',
154 `Blank Screen', and `Don't Blank' (in addition to the
155 historical `Random Screen Saver').
156 * Configure now defaults to installing the hacks in
157 <prefix>/lib/xscreensaver/ instead of <prefix>/bin/.
158 (Most distros already did it this way.)
159 * New GL hacks, `menger', `engine', `flipscreen3d'.
160 * Made `sierpinski3d' be more colorful.
161 * New versions of `xmatrix' and `nerverot'.
162 * Fixed a bug in `starwars' that made the font be drawn
163 with thin lines in -root mode.
164 * Fixed a bad colormap bug in `crystal' that could make
165 *subsequent* hacks malfunction!
166 * Made `gflux' able to grab screen images (`-mode grab').
167 * Updated `webcollage' for recent search engine changes.
168 * Removed most command-line options to `xscreensaver':
169 just edit the ~/.xscreensaver file instead.
170 * Improved behavior on multi-screen and Xinerama systems:
171 the mouse now stays on the screen where the user left
172 it, and the password and splash dialogs always appear
173 on the screen that has the mouse.
174 * Made the splash dialog use more Gtk-like colors;
175 made it have only two buttons, "Settings" and "Help".
176 * Made `sonar' understand `.ssh/known_hosts2' format
177 files, and be better about stripping out illegal
179 Changes since 3.33: * Turned `memoryLimit' off by default, sigh. Apparently
180 some versions of the GL libraries (appear to) allocate
181 hundreds of megs for every GL program, so `memoryLimit'
182 was causing GL programs to malfunction or crash on
184 * Improved fading on TrueColor XFree86 4.1.x systems.
185 * New GL hack, `circuit'.
186 * Added `fuzz' mode to `decayscreen'.
187 * New version of `whirlygig'.
188 * Added links to `xplanet' and `sphereEversion'.
189 * Fixed rare race condition that could make `sonar' hang.
190 * Fixed potential crash in `speedmine'.
191 * Made `xscreensaver-demo' not crash when imageDirectory
192 was set to a non-existent directory.
193 * Made `xscreensaver-getimage-video' invoke XawTV's
194 `streamer' program better.
195 * Made `phosphor' and `starwars' deal with CR, LF,
196 or CRLF line endings.
197 * Changes for Cygwin compilation environments.
198 * Made `sonar' compile on systems that can't ping.
199 * Configure changes for HPUX 10.20.
200 * Made PAM code work on Red Had 4.2 systems.
201 * Made `xscreensaver-command -deactivate' work when the
202 saver is not active: what that does is reset the idle
203 timer, as if keyboard input had been detected. This
204 was added for the benefit of people writing DVD-playing
205 software: they can now prevent the screensaver from
206 kicking in by sending a -deactivate message once a
207 minute while the movie is playing and not paused.
208 * Various minor portability tweaks.
209 Changes since 3.32: * New hacks, `speedmine' and `whirlygig'.
210 * Sped up `pyro', made the explosions look a bit better.
211 * Added better stars to `glplanet' and `starwars'.
212 * Many internal changes to `webcollage'.
213 * Some new options to `attraction'.
214 * Minor fix to `noseguy' to avoid un-erased pixels.
215 * Rewrote the screen-eraser effects so that they complete
216 in the same amount of time regardless of how slow
217 your X server is (some of them were glacial on servers
219 * Fixed a potential free memory reference that could
220 sometimes cause a crash at startup.
221 * Possibly fixed a problem that could cause the daemon
222 to crash with an X error. I was never able to
223 reproduce this problem, but I think I might have
224 figured out what caused it.
225 * Worked around a problem that caused PAM authentication
226 to fail on some Red Hat 7.x systems.
227 * Added a `memoryLimit' parameter that controls the
228 amount of memory a graphics hack may allocate: if they
229 try to allocate more than this, malloc() will fail
230 (and they will exit or (safely) crash, rather than
231 hogging memory.) Default is 50M.
232 * Made `gnome-help-browser' be the default way to display
233 man pages in `xscreensaver-demo', if running on a
235 Changes since 3.31: * The image-manipulating hacks (`slidescreen', etc.) can
236 now operate on randomly chosen image files from disk,
237 or on frames captured from the system's video input,
238 instead of (or in addition to) manipulating images of
240 * Rewrote `vidwhacker' to use the new image-grabbing
242 * Made fading work on TrueColor XFree86 4.x systems.
243 * Fixed a subtle rendering bug in `atlantis' (the fish
245 * Made `atlantis' have a texture simulating light
246 reflections from the surface of the ocean.
247 * Fixed up label placement in `molecule'.
248 * Better color bars in `xteevee'.
249 * Made `install-strip' not try to strip scripts.
250 Changes since 3.30: * Put in more sensible defaults for DPMS, and updated
251 the documentation to reflect the fact that all your
252 DPMS settings are now belong to xscreensaver.
253 * Fixed the `xscreensaver.spec' file so that `--force'
255 * New versions of `rotzoomer' and `nerverot'.
256 * Fixed an OSF/1 compilation problem in `molecule'.
257 Changes since 3.29: * New hacks, `molecule', `dangerball', and `rotzoomer'.
258 * New version of `gflux'.
259 * Made `gltext' able to display the current time.
260 * Fixed a floating-point-precision problem in `gltext'
261 that sometimes caused horizontal lines to vanish.
262 * Removed the `-window-id' option from the hacks:
263 it never worked right, and was unnecessary.
264 * Made the `starwars' hack use thicker lines, antialias
265 the text, and fade out at the far edge instead of just
267 * Fixed an SHM segment leak in `moire'.
268 Changes since 3.28: * Better rendering of the new logo.
269 * New hack, `gltext'.
270 * Added `-planetary' option to `gears', to draw a
271 different kind of gear system.
272 * Made motion and rotation be smoother in `gears',
273 `glplanet', `moebius', `rubik', and `sierpinski3d'.
274 * Improved coloration in `sierpinski3d'.
275 * Made the GL hacks react to window size changes.
276 * Made most of the GL hacks take a -fps option (like
277 `pulsar' did), so you can use them to benchmark your
279 * Fixed the previous fix to `sonar'.
280 * Minor fix to `nerverot'.
281 Made sonar able to ping hosts on DEC OSF1.
282 * Eliminated a bogus "didn't get enough colors" warning
283 in some of the hacks.
284 Changes since 3.27: * New logo for xscreensaver!
285 * New hacks, `starwars' and `stonerview'.
286 * Made the motion of the bouncing ball in `stairs' be a
288 * Made newly-added screenhacks be added to .xscreensaver
289 automatically: if there are hacks in the app-defaults
290 file that are not also in ~/.xscreensaver, they will
291 be added to the end of the list.
292 * Redid the `Screensaver Options' part of the control
293 panel; xscreensaver now lets you configure your DPMS
295 * Fixed some Makefile problems with non-GL builds.
296 * Fixed detection of MesaGL for version 3.3.
297 * Better workaround to Red Hat 7.0's broken gcc.
298 * Added Sparc Solaris kernel panic to `bsod'.
299 Changes since 3.26: * New hacks: `zoom' and `whirlwindwarp'.
300 * Fixed a free-memory-reference bug in `sonar'.
301 * Better error handling when there are no suitable GL
303 * Added diagnostic dialog when xscreensaver-demo is
304 unable to launch xscreensaver (e.g., when running as
306 * Fixed a bug that caused screenhack argument changes
307 to be ignored when xscreensaver-demo was running as
308 root (if "root" and "nobody" have different home
310 * Made the programs default to ":0" if $DISPLAY is unset.
311 * Made the `-verbose' output include information about
312 which server extensions were supported at compile time.
313 * Worked around Red Hat 7.0's broken gcc 2.96.
314 * Updated default delays on the GL hacks to look better
315 on machines with super-fast 3D hardware.
316 * Install `screensaver-properties-capplet' to work around
317 the usual egregious GNOME lossage.
318 Changes since 3.25: * Added "enabled" checkboxes in the list of hacks in
319 xscreensaver-demo (Gtk version only.)
320 * New hacks `hyperball', `xrayswarm', and `gflux'.
321 * New versions of `nerverot', `galaxy', and `hypercube'.
322 * Small fixes to `phosphor', `shadebobs', `xflame',
324 * Added external helper program `xscreensaver-gl-helper'
325 to figure out which X visual to use for OpenGL
327 * Configure updates for XFree86 4.0, and for BSD.
328 * Made it be more tolerant of bogus /etc/group files.
329 * When installing the PAM config file, first try to just
330 copy an existing "xdm" or "login" config file, so that
331 xscreensaver does authentication in the same way as the
333 Changes since 3.24: * New hack, `nerverot'.
334 * Added BSD kernel panic to `bsod'.
335 * New version of `shadebobs'.
336 * New version of `petri'.
337 * Updated `webcollage' to handle recent Altavista URL
338 format changes; made it search the AP photo gallery.
339 * Revamped command-line options of `sonar' and made it
340 properly handle subnets.
341 * The `bubbles' hack can now trickle up or down the
343 * The `xsublim' hack can now read its text from programs.
344 * Support for GLE version 3 in `extrusion'.
345 * Fixed compilation problems in `maze'.
346 * Fixed a rare crash in `flow'.
347 * Fixes for minor installation problems.
348 Changes since 3.23: * Added `-ignorant' option to `maze' hack.
349 * Updates to `critical', `bsod', `xflame', and `flow'.
350 * Added support for Kerberos 5 (via its Kerberos 4
351 compatibility layer.)
352 * Fixed a bad leak in `xteevee'.
353 * Updated `webcollage' to handle recent Altavista URL
355 * Removed xscreensaver-demo's `Ok' and `Cancel' buttons,
356 since they were confusing people: all changes are now
358 * Made xscreensaver-demo install itself into the Gnome
360 Changes since 3.22: * Fixed some misplaced text fields in the Motif version
361 of xscreensaver-demo; fixed a crash in the Gtk version
362 that would happen if the programs list was empty.
363 * Fixed a recently-introduced bug in `pulsar'.
364 * Made `sierpinski3d' use solid tetrahedrons instead of
366 * Added `-trace' option to `xmatrix'.
367 * Added new hacks `xteevee' and `xspirograph'.
368 Changes since 3.21: * Fixed some bugs in xscreensaver-demo.
369 * Rewrote the Motif version of xscreensaver-demo to
370 match the new Gtk version.
371 * The Athena toolkit is no longer supported.
372 Changes since 3.20: * Tweaked the xscreensaver-demo UI (Gtk only.)
373 * Fixed a few visual selection bugs. I think the proper
374 GL visual should be used with nVidia systems now.
375 * Made the Makefiles obey $install_prefix.
376 * Made the `xscreensaver.spec' file able to generate both
377 GL and non-GL packages simultaneously.
378 Changes since 3.19: * Added new hacks `ripples' and `sierpinski3d'.
379 * Made `xscreensaver-command -exit' be silent when no
380 screen saver was running (instead of complaining.)
381 * Made `webcollage' and `vidwhacker' use `xloadimage'
382 when available (in addition to `xli' and `xv'.)
383 * Improved memory usage in `petri' and gave it a hard
384 cap on how much memory it can allocate.
385 * Added `-watch' option to `xscreensaver-command'.
386 * Made `xscreensaver-demo' come up with the
387 most-recently-run hack selected by default.
388 * Rewrote the Gtk version of `xscreensaver-demo'.
389 It's a lot easier to use now.
390 * Extended the format of the programs list in the
391 .xscreensaver file, for the benefit of the new
392 capabilities of `xscreensaver-demo'.
393 NOTE: you might want to delete your ~/.xscreensaver
394 file and allow it to be re-created! The old one
395 should still work, but xscreensaver-demo won't be as
397 Changes since 3.18: * Fixed gcc dependencies in `bumps' and `ccurve'.
398 * New hack, `extrusion'.
399 * Some of the web sites that `webcollage' was using as
400 its sources changed formats; tweaked it to understand
402 * Added typeahead in the password dialog: if the screen
403 is locked, and you unlock it by typing a character,
404 that key will be automatically inserted in the
405 password dialog (unless it is Return, Enter, Space,
406 or a non-printing key like Shift.)
407 * Made `xmatrix' take a `-small' option, since some
408 folks with tiny screens prefer a smaller font.
409 Changes since 3.17: * New versions of `shadebobs', `lmorph', and `distort'.
410 * Added `ccurve', `blaster', and `bumps' hacks.
411 * Replaced `forest' hack with a rewritten version.
412 * Worked around a Xinerama server bug.
413 * Fixed a bug I introduced in 3.10 that caused some
414 hacks to print out superfluous warnings about not
415 having gotten enough colors.
416 * Made `sproingies' obey the `-delay' option.
417 * Fixed a portability bug in `shadebobs'.
418 * Made `webcollage' and `vidwhacker' use `xli' in
419 preference to `xv', if it is available.
420 * Added a new source of images to `webcollage'.
421 * If running under KDE, xscreensaver will add itself to
422 KDE's list of screensavers (via xscreensaver.kss.)
423 * Improved detection of GL libraries.
424 * Made the password dialog include the date and time.
425 Changes since 3.16: * New version of `webcollage' -- deals better with
426 corrupted images, and can use an http proxy.
427 * New hack, `xsublim' (run it in the background,
428 rather than adding it to the programs list.)
429 * The xscreensaver daemon was leaking a file descriptor
430 each time you edited your .xscreensaver file. Fixed.
431 Changes since 3.15: * New version of `shadebobs'.
432 * Improved image selection in `webcollage', and sped it
434 * Made configure find the right version of perl.
435 * Rewrote the CGI part of `webcollage'.
436 * `make clean' was deleting some things it shouldn't.
437 * Fixed a typo in the default programs list.
438 Changes since 3.14: * Added `webcollage' and `shadebobs' hacks.
439 * Added a `-stdout' arg to `vidwhacker' so that it can
440 be used in a pipeline.
441 * Made `petri' use less memory.
442 Changes since 3.13: * Various improvements to the Gtk port.
443 * Turned off PAM by default on Solaris, since PAM seems
444 generally to be misconfigured out-of-the-box.
445 * Made the `--without-gtk' configure option work.
446 * Made configure check the Gtk version number, since it
448 * Fixed a bug in the code that attempted to prevent
449 changes of screen resolution while the screen is
451 * Fixed a race condition in `xscreensaver-demo' that
452 could cause an X error at startup.
453 * Added `-transparent' option to `deluxe'.
454 * Added `petri' hack.
455 Changes since 3.12: * Ported `xscreensaver-demo' to Gtk.
456 * Made it possible to build Motif, Gtk, and Athena
457 versions of `xscreensaver-demo' in the same directory
458 without reconfiguring.
459 * Made `xscreensaver-demo' chase symlinks before writing
460 the .xscreensaver file, so that if .xscreensaver is
461 itself a symlink, the underlying file will be replaced
463 * Some Makefile and configure tweaks for Solaris and
465 * Made it possible to set the fire color in `xflame'.
466 * Made transparency work in TrueColor (for `goop' and
468 * Fixed a multi-head bug introduced by the virtual
470 Changes since 3.11: * Made it so that you can't scroll the screen while the
471 lock dialog is up (with XFree86 virtual viewports.)
472 * Fixed a bug in `flag' that caused bob's chin to get cut
473 off after a few iterations.
474 Changes since 3.10: * Made `xjack' be black-on-white-ish, so that it looks
475 less like a computer screen and more like the
476 typewritten paper it's supposed to be.
477 * New version of `pulsar'.
478 * Fixed Solaris compilation problem in `phosphor'.
479 * Made xscreensaver notice XFree86's virtual root window
480 hack, so that if the X server's root window is larger
481 than the monitor's displayable resolution, the screen
482 saver will limit itself to the area that actually
483 appears on the screen.
484 * Made the xscreensaver daemon do a better job of
485 picking the visual class that should be used for GL
486 programs. Less user intervention should be needed
487 now: you can use the logical visual name `GL' instead
488 of having to figure out by hand which one to use.
489 * Oops, the visual was defaulting to "best" instead of
490 "default", because the .xscreensaver file was not being
491 loaded quite early enough.
492 * Made configure figure out how to build icmp ping
493 support into the `sonar' hack automatically.
494 * Made warnings about not being able to read shadow
495 passwords not be printed if compiled with PAM support.
496 * Improved PAM startup diagnostics.
497 * Worked around the Solaris PAM bug that was causing
498 crashes there, so now PAM is turned on by default.
499 * Made configure detect the number of arguments that
500 pam_strerror() takes, since on Linux, this apparently
501 changed between 2.0 and 2.2, sigh.
502 * Made the /proc/interrupts kludge look for "PS/2 Mouse"
503 as well as "keyboard".
504 * Made xscreensaver notice when there has been a sudden
505 large jump in wall-clock time, and if so, lock right
506 away, instead of waiting for "lockTimeout" to expire
507 first. (Laptops need this for safer recovery from
509 * Added `-throttle' option to `xscreensaver-command'.
510 Changes since 3.09: * Added `phosphor', `xmatrix', and `pulsar' hacks.
511 * Fixed a bug in the color allocator that sometimes
512 caused `starfish' to fall back to monochrome.
513 * Reduced the amount of code that runs before root
514 privileges are disavowed: "normal" and "shadow"
515 passwords now do some initialization as root, but the
516 PAM and Kerberos authorization schemes will be
517 initialized while running as "nobody". Supposedly
518 this closes a potential security hole when using
520 * Added some more sanity checking to configure.
521 Changes since 3.08: * Added `compass', `squiral', `xflame', `wander',
522 `spotlight', and `critical' hacks.
523 * Added some new modes to `decayscreen'.
524 * Made `deluxe' work in monochrome.
525 * Generalized usage of the Double-Buffer server extension
526 in several hacks (`compass', `deluxe', `interference',
527 `kumppa', and `moire2'.)
528 * Fixed another visual-depth problem in `rd-bomb'.
529 * The screen saver will now defer blanking if neither
530 the keyboard nor the mouse could be grabbed. Instead,
531 it will just try again in a few minutes. This fixes
532 a bad interaction between xscreensaver and programs
533 like VMware that hold the mouse and keyboard grabbed
535 * Added a new erase mode (expanding spiral.)
536 Changes since 3.07: * Fixed some bugs in my port of `t3d'.
537 * Added `penetrate' and `deluxe' hacks.
538 * When linking against Motif 2.x, also link against XPM.
539 * Added support for using /proc/interrupts for idle
540 detection on Linux. Now xscreensaver shouldn't kick
541 in when the user is active on a non-X virtual console.
542 * Upgraded to autoconf 2.13.
543 Changes since 3.06: * Configure tweaks (sometimes -lXmu wasn't getting linked
544 in properly; check for _Xsetlocale in -lXintl.)
545 * Portability fixes for sonar.c.
546 * Fixed a compilation problem when you have GL but don't
548 * Made configure notice when MesaGL requires -lpthread.
549 * Made `flame' ignore SIGFPE (not sure if this is the
550 right fix; it seems only to be needed on FreeBSD.)
551 * Kludged `rd-bomb' work on visuals that are of depth 24
552 but that *do not* support pixmaps of depth 32.
553 * Fixed `halo' to work properly in TrueColor.
554 * Changed `xscreensaver.spec' to install the hacks in
555 /usr/X11R6/lib/xscreensaver/ by default, since that's
556 where recent Red Hat distributions put them.
558 * Updated versions of `crystal', `hopalong', and `flow'
560 * Imported `demon' and `loop' modes from xlockmore.
561 Changes since 3.05: * Oops, the "default-n" visual descriptor was broken;
562 it was always installing a colormap if the
563 `installColormap' preference was set, meaning that
564 `xearth', `xv' and friends were using the wrong
565 colors on 8-bit systems.
566 * Turned off HAVE_PING in `sonar', since it compiles
567 on some Linux systems, but not others of similar
569 Changes since 3.04: * Fixed an off-by-1 in `distort'.
570 * Added `sonar' hack.
571 * New version of `glplanet' (with stars.)
572 * Made all hacks exit when you type `q' or `ESC' at them,
573 and made them obey the WM_DELETE_WINDOW ClientMessage.
574 * Fixed a nonfatal buffer overrun in lament (note:
575 lament still doesn't work with MesaGL 3.0: it dies in
576 lambda_textured_triangle1(), which is Mesa's bug, not
578 Changes since 3.03: * Added an `xscreensaver.spec' file, to make it easier
579 for other folks to generate RPMs.
580 * Made the password code work on HPUX in the situation
581 where: ``enhanced security'' is available; but not
582 used; but the user typed a password more than 8
583 characters long anyway. FTSOHPUX.
584 Changes since 3.02: * Made locking work when passwd aging is enabled.
585 * Added support for PAM (Pluggable Authentication
586 Modules.) It is still turned off by default, though,
587 since it doesn't seem to work on Solaris 2.6, and has
588 been behaving erratically on Red Hat 5.1.
589 * Made each possible authentication method be tried in
590 turn until one succeeds; this means that Kerberos is
591 being used, we will first check Kerberos, and if that
592 fails, will then consult the local password file.
594 * Save and restore the bits under the passwd dialog,
595 to avoid leaving a black rectangle behind when
596 unlocking is cancelled.
597 Changes since 3.01: * Not everyone has sys/select.h, sigh...
598 Changes since 3.00: * Some fixes to `reflect'.
600 * Made it log unsuccessful attempts to unlock the screen
602 * Fixed a bug where `xscreensaver-demo' could be seeing
603 a different programs list than `xscreensaver' did.
604 Changes since 2.34: * The xscreensaver daemon no longer links against Motif
605 or Athena: demo-mode and the preferences panel are no
606 longer built in to the daemon, but are now handled by
607 an external program, `xscreensaver-demo'.
608 (I decided that this, along with the recent addition
609 of the `.xscreensaver' config file, justified bumping
610 the version number to 3.00, since this is a fairly
611 major architectural change.)
612 * Lines in the `*programs' resource may now begin with
613 the character "-", meaning "don't run this hack."
614 In this way, it's possible to disable a hack without
615 throwing away the information about it (making it
616 easier to change your mind later.) Eventually the
617 preferences/demo mode GUI should represent this as a
618 checkbox or something.
619 * Fixed a short race condition where it was possible for
620 xscreensaver to die with a BadWindow error if it was
621 blanking the screen just as another window was being
623 * Made it possible to disable specific modes in `bsod'.
624 Changes since 2.33: * Fixed a bug that was making `pipes' generate way too
625 many valves. Made the viewpoint in `pipes' be selected
626 randomly instead of always being -10 degrees.
627 * Fixed a bug in the XSHM code, in the case where the
628 server supports the XSHM extension but is not the same
629 machine as the client.
630 * Made `rd-bomb' default to taking up the whole screen.
631 * Made it not try to do fading/unfading if no PseudoColor
633 * Initial attempt at supporting VT-locking (doesn't work
635 * Eliminated the `captureStdout' resource; now
636 `captureStderr' controls both streams.
637 * Added `-capture-stderr' and `-no-capture-stderr'
638 command-line arguments.
639 * Added `glplanet' hack.
640 * When a hack is selected with `xscreensaver-command
641 -select', that hack will be used until further notice
642 (until the saver turns off, or another activation
644 Changes since 2.32: * Made `xscreensaver-command' print error messages:
645 the xscreensaver daemon now responds to ClientMessage
646 events by writing a response message on a window
647 property, instead of just writing to its stderr.
648 * Made the ~/.xscreensaver file be automatically reloaded
649 when the file date changes.
650 * The password dialog and splash screen no longer depend
651 on Motif or Athena. This should clear up a number of
652 focus problems, and is the first step on the path
653 toward moving all of the Motif/Athena/whatever code
654 out of the xscreensaver daemon, and into external
656 * Don't complain about LessTif 0.86 any more, since the
657 new password dialog makes that problem go away.
658 * Configure tweaks for Irix 6.5, SunOS 5.something.
659 * New `-reflect' option to `distort'.
660 Changes since 2.31: * Added reading and writing of a ~/.xscreensaver file,
661 so that the Preferences panel can save its settings.
662 * New version of `rubik'.
663 * Added `-select N' argument to `xscreensaver-command'.
664 * Oops, left out some of the `bubbles3d' files...
665 Changes since 2.30: * The cursor was invisible in the password dialog. Fixed.
666 * Made configure warn against MesaGL 2.6.
667 * Fixed X error at startup when using non-default visual.
668 * New version of `crystal', `ant', and `atlantis' from
670 * New hack, `bubble3d'.
671 * Added some new modes to `bsod'.
672 Changes since 2.29: * Changed the order in which -lSM and -lICE are linked
673 to be after Motif instead of before (Lesstif on Irix
675 Changes since 2.28: * Work around a bash bug in configure.
676 * Tweaked HPUX paths again. FTSOHPUX.
677 * Made configure recommend against LessTif 0.86, due
678 to a bug in that version that causes a security hole
679 in the screen locking code. LessTif 0.87 will fix it.
680 * Made all of the `--with' options to `configure' accept
681 a directory option as well (so that --with-motif=/FOO
682 will add -I/FOO/include -L/FOO/lib). I believe this is
683 the Configure Party Line of how do to such things.
684 * Fixed a bug where the mouse was left un-grabbed
685 after the first time the graphics hack was changed
686 (simplified all of the mouse-grabbing logic.)
687 * Maybe possibly perhaps made `vidwhacker' really not
688 leave stray xv windows around. This time for sure.
689 * Added a new erase mode (random dots fizzling out.)
690 * Added `-prefs' argument to `xscreensaver-command',
691 that brings up the Preferences dialog directly (it
692 seems that nobody ever noticed the `Preferences' button
693 on the Demo Mode dialog, maybe this will help.)
694 * Added a splash screen. Turn it off with *splash:false.
695 Changes since 2.27: * Better macsbug text in `bsod'.
696 * New version of `distort' with many new modes.
697 * Plugged a leak in `coral'.
698 * Tweaked configure for HPUX.
699 * Removed some compiler warnings.
700 * More consistent usage of stderr versus stdout.
701 * More diagnostics should an X error occur.
702 * Fixed a possible crash in SGI-specific unfading code.
703 Changes since 2.26: * Improved version of `distort'.
704 * Made `lament' compile against OpenGL 1.0 (though it
705 still requires 1.1 to work properly.)
706 * Updated my email address and home page.
707 Changes since 2.24: * Improved motion in `rd-bomb'.
708 * Added XSHM (shared memory extension) support to the
709 `distort', `interference', `moire', `rd-bomb', and
710 `swirl' hacks, which speeds them up a bit.
711 * Added `lament' hack.
712 Changes since 2.23: * Tweaked the order of the -L options again.
713 * Cleaned up configure's `--help' message.
714 * Added `kumppa' hack.
715 * Smarter maze-solving algorithm in `maze'.
716 * Took `xlyap' out of the default list of hacks, since
717 it's just incredibly buggy (and slow.) Maybe someday
718 someone will fix it...
719 * Added `distort' hack, but didn't add it to the default
720 list (yet) because it's still too slow.
721 * Made the Athena demo dialog look more like the Motif
722 version; it has a text-entry field now, too.
723 * Made the Athena password dialog echo asterisks, like
724 Motif does, instead of using a flyspeck font.
725 * Some random configure tweaks.
726 * Added a `timestamp' resource that makes the `-verbose'
727 messages include the time at which they were printed.
728 Changes since 2.22: * The fix for SGI's ``scheme'' nonsense broke things, and
729 let the user's "*background" resource show through.
730 Fixed it in a different way.
731 Changes since 2.21: * Added support for the DPMS server extension (Display
732 Power Management System.)
733 * Made configure advertize the `--enable-subdir' option a
734 little more, since that seemed to cause some people
735 stress. Also, made that directory be built into the
736 xscreensaver executable, as a hardcoded prefix to
737 $PATH. (Might help, shouldn't hurt.)
738 * Made configure prefer the two-arg gettimeofday to the
739 one-arg version, since AIX doesn't have any prototypes.
740 * Made it work with Xaw3d (the 3D Athena library.)
741 * Made `make install' create directories as necessary.
742 * New version of lmorph from Sverre.
743 * Added `crystal' and `discreet' hacks from xlockmore.
744 * Added a new mode to `bsod'.
745 Changes since 2.20: * Made `xscreensaver-command -time' use different words.
746 (It now describes the two states as "screen blanked
747 since..." and "screen non-blanked since..." instead of
748 "active since..." and "inactive since..." which a lot
749 of people interpreted as meaning the opposite of what
751 * Improved some error messages, in the hopes of making
752 the distinction between the xscreensaver and
753 xscreensaver-command programs more obvious.
754 * Rewrote (and reorganized) parts of the xscreensaver and
755 xscreensaver-command manual pages.
756 * Renamed xscreensaver's `-lock' command-line option to
757 be `-lock-mode', to avoid confusion with the `-lock'
758 option to xscreensaver-command, which does a totally
760 * Removed xscreensaver's `-demo' command-line option for
761 a similar reason; use `xscreensaver-command -demo'
763 * Disabled SGI's ``scheme'' nonsense in a better way than
764 fully-qualifying the background colors in every single
766 * Fixed some other minor cosmetic problems when *sgiMode
768 * Fixed an X error in `bsod -root' (how ironic...)
769 Changes since 2.19: * Fixed a bug that caused the mouse to sometimes not be
770 grabbed properly (meaning the window manager menu could
771 pop up over the demo-mode display.)
772 * Fixed a bug that made the stderr output sometimes get
774 * Fixed a bug that made the demo-mode scrollbar move too
776 * Protected against a possible buffer overflow.
777 * Made `vidwhacker' not leave stray xv windows around.
778 * New version of `ant' so that Bagley doesn't calve.
779 * Make configure on AIX get XShm from the right library.
780 Changes since 2.18: * One file was missing from the tar file. Fixed.
781 Changes since 2.17: * Oops, atlantis wasn't being built by default. Fixed.
782 * Added `epicycle' hack.
783 * Added `interference' hack.
784 * Added `truchet' hack.
786 * Added some new modes to `vidwhacker'.
787 Changes since 2.16: * Added a -window-id argument to most hacks, so that they
788 can draw on arbitrary externally-provided windows.
789 * Synched with xlockmore 4.11a01.
791 * Added `atlantis' GL hack.
792 * Renamed `puzzle' hack to `jigsaw', since xlock already
793 had a different mode called `puzzle'.
794 * Made it self-configure properly when Motif 2.1.0 is
795 being used (requires -lXp now, sigh...)
796 Changes since 2.15: * Made `flag' able to do XPM images.
797 * New look for the xscreensaver logo (`xroger').
798 * Fixed compilation error on Suns with adjunct passwords.
799 * Got multi-architecture builds working again.
800 * Some configure tweaks for building on HPUX and Solaris.
801 * Fixed bug in decayscreen.
802 * Fixed typo in passwd.c.
803 * Made `cynosure' not die when colormap is full.
804 Changes since 2.14: * Added `cynosure' hack.
805 * Added `moire2' hack.
806 * Tweaked `erase.c' some more.
807 * Made unfading a bit smoother.
808 * Added `vidwhacker' hack (not installed by default.)
809 * Added `stairs' hack.
810 * Split `escher' into `cage' and `moebius', as per
812 * Changed subprocess handling to use sigaction() instead
813 of signal() if it's available (this is necessary for
814 SCO but should work fine on other systems too.)
815 * Various other tweaks.
816 Changes since 2.13: * Better fix for the Motif drag-and-die lossage.
817 * Put in some kludges to work around a LessTif bug.
818 * XScreenSaver is known to work with LessTif 0.82 now.
819 * Made fading work on high-end SGI video hardware.
820 * Fixed another SGI-specific bug in screen grabbing;
821 will the madness never cease?
822 * Fixed another crash in `xlyap'.
823 Changes since 2.12: * Made `decayscreen' do directions other than down.
825 * Fixed a crash in `xlyap'.
826 * Added CDE info to the man page, removed `cde.txt'.
827 * Configure tweaks for Zippy.
828 * Turned off the signal handling in `bubbles' because
829 it was sometimes failing to die.
830 * Added `hacks/xscreensaver-sgigl.c' to make it possible
831 to run SGI's ElectroPaint hack (/usr/demos/bin/ep)
832 with xscreensaver. Finally!
833 * Fixed a buffer overrun in the locking code that some
834 wily, malicious cracker must have slipped in.
835 * Disabled Motif drag-and-drool in the dialog box
836 buttons, since it's broken in some old versions of
838 Changes since 2.11: * Added `README.debugging'.
839 * Added `puzzle' hack.
840 * Added `xlyap' hack.
841 * Added `default-n' as a visual name, so that one can
842 have -install on by default, but turn it off for
843 certain poorly-behaved hacks (like xv.)
844 * Added support for grabbing frames of external video
845 (on SGI) to the screen-grabbing hacks (decayscreen,
846 slidescreen, slip, blitspin, and puzzle.)
847 * Improved look of tiles in `slidescreen'; fixed its
848 color allocation problem.
849 Changes since 2.10: * Tweaked `blitspin', added it to the default list.
850 * Added `lissie', `mountain', `triangle', `worm',
851 `rotor', and `ant' from xlockmore.
852 * Updated `sierpinski', `galaxy', and `lisa'.
853 * Thickened the lines in `braid' and `lmorph'.
854 * Updated VMS makefiles.
855 * Renamed `fract' to `vines'.
856 * Added `xjack' hack.
857 * Made a few more hacks use erase.c, and added a few
859 * Fixed compilation problem with Sun's version of OpenGL.
860 * Added ability to use sigaction() instead of signal()
861 to work around a SCO kernel bug.
862 Changes since 2.09: * Fixed colormap bugs in `rd-bomb'; sped up `coral'.
863 * Configure tweaks for *BSD.
864 Changes since 2.07: * New hacks `rd-bomb' and `coral'.
865 * New version of `maze' with some new algorithms.
866 * New colorized version of `rocks'.
867 * Fixed a bug in qix on 64-bit machines.
868 * Fixed a bug in the -time option.
869 * Fixed a bug in configure related to LessTif.
870 Changes since 2.06: * Minor header tweaks in windows.c and flag.c.
871 * Made multi-architecture ($VPATH) builds work properly.
872 * Merged new GL stuff from xlockmore (rubik, morph3d.)
873 * Fixed intermittent crashes in `imsmap' and `munch'.
874 * Added `fadeplot' hack from xlockmore.
875 Changes since 2.05: * Merged in VMS support from Patrick Moreau.
876 Changes since 2.04: * Fixed a MIT-SCREEN-SAVER-related crash, and tweaked
877 configure to detect the extra-random -Xss library.
878 Changes since 2.03: * HP configure tweaks. Detect and warn about LessTif.
879 * Fixed low-color behavior of `goop', `pyro', `starfish',
880 `greynetic', `flame', `halo', and `moire'.
881 Changes since 2.02: * Fixed flicker in `pipes'. Fixed 3d in `bouboule'.
882 * Added `munch' hack.
883 * Added basic dependencies to the Makefile.in files.
884 Changes since 2.01: * Fixes for compiling with the MIT saver extension.
885 * Made the yow/fortune program be a configure option.
886 * Various configure tweaks.
887 Changes since 2.00: * Added `goop' and `starfish' hacks.
888 * Added colomap cycling to `halo'.
889 * Made `attraction' use the new colormap allocator.
890 * Added better $PATH diagnostics.
891 * There was a bug in frand! Color selection should be
893 Changes since 1.34: * Converted to use `configure' instead of `imake'.
894 * ANSI C is now required.
895 * Added Kerberos locking support, from Nat Lanza.
896 * Made the stderr text use overlay planes, if possible.
897 * Reworked the xlockmore compatibility stuff again.
898 * Added `gears', `superquadrics', `escher', `pipes',
899 and `sproingies' hacks (depend on OpenGL.)
900 Changes since 1.33: * Fixed some bugs, made fading be a little smoother.
901 Changes since 1.32: * Made it work with multi-headed displays.
902 * Generalized sub-process management (Unix sucks!)
903 * Added interactive mouse frobbing to Julia.
904 * Added (untested) support for HPUX shadow passwords.
905 * Made normal non-shadow passwords be checked if the
906 shadow passwords aren't accessible for some reason.
907 Changes since 1.31: * Removed *colorPrograms and *monoPrograms resources:
908 made it possible to specify the desired visual on a
910 * Cleaned up / restructured the driver: no more globals.
911 * Made the Motif and Athena dialogs share more code.
912 * Probably fixed some Athena colormap-installation bugs.
913 * Fixed screen grabbing (cmap) on SGI 12-bit PseudoColor.
914 * Fixed divide-by-zero in bright random colormaps.
915 * Added an improved version of xlock's `flag' hack.
916 * Made unfading work better, and not flicker on SGIs.
917 * Added `sphere', `forest', `lisa' hacks from xlockmore.
918 * Added (untested) support for SunOS Adjunct passwords.
919 Changes since 1.30: * Improved colors and colormap cycling of many hacks.
920 * Cleaned up xlockmore compatibility layer.
921 * Made `blitspin' able to grab an image off the screen.
922 * Ported `swirl' and `bouboule' hacks from xlockmore.
923 * Made the driver more careful about not leaving bits on
924 the screen, or allowing other windows to raise
925 themselves: it now re-blanks the screen every so often.
926 * Added `-time' option to `xscreensaver-command'.
927 * Improved SGI screen-grabbing some more: now it can grab
928 TrueColor screens into PseudoColor windows and have the
929 colors still come out semi-reasonably.
930 Changes since 1.29: * Made `slidescreen' and `decayscreen' work better on
931 SGIs when windows of different visuals are present, by
932 using the XReadDisplay() extension to get a true 24-bit
933 image out of the frame buffer.
934 * Made `noseguy' be in color, if compiled with XPM.
935 * Ported `braid', `drift', `fract', `galaxy', `grav',
936 `ifs', `julia', `laser', `lightning', `penrose',
937 `sierpinski', `slip', `spiral', and `strange' hacks
939 * Merged `hopalong' hack with a more recent version.
941 Changes since 1.27: * Added `deco', `moire', and `kaleidescope' hacks.
942 * Merged in support for non-Motif locking and demo mode.
943 * Made `blitspin' and `bubbles' work in TrueColor.
944 * Fixed a stupid bug I introduced in `imsmap'.
945 * Added `poly' and `gravity' options to `qix'.
946 Changes since 1.26: * Added support for SGI SCREEN_SAVER extension.
947 * Made `fade' and `unfade' work on 8-bit SGIs.
948 * Made the dialog boxes more Motify.
949 * Added `bubbles' hack.
950 Changes since 1.25: * Added `lmorph' hack.
951 * Added viscosity and mouse-control to attraction.
952 * Fixed possible bad color choices in qix and attraction.
953 * Added ramp-mode to halo.
954 * Added a new RNG, which is faster and more portable
955 than using the RNG in libc.
956 * Made locking work on SCO.
957 * Various other minor tweaks that I don't remember.
958 Changes since 1.24: * Made it capture the stdout/stderr of its subprocesses
959 and present them on the screensaver window itself.
960 * Made demo mode work correctly with non-default visuals
961 and color maps, instead of always using the defaults.
962 * Added -visual argument to all included screenhacks.
963 * Support for the R6 MIT-SCREEN-SAVER server extension.
964 * Made the demo mode list scroll properly.
965 * Added `pedal' hack.
966 Changes since 1.23: * Fixed some private-colormap oddities in slidescreen,
967 decayscreen, and xroger. Fixed apparent conservation-
968 of-mass problem in pyro; made the shrapnel round.
969 Changes since 1.22: * Minor tweaks for IRIX5; fixed locking race condition.
970 Changes since 1.21: * Minor tweaks for X11R6.
971 * Fixes for non-default visuals.
972 Changes since 1.20: * Fixed bug in color blitspin; added default image.
973 * Added diagnostics to noseguy. Fixed off-by-one
974 error in flame. Added some missing casts.
975 Changes since 1.18: * Added `flame' hack.
976 * Fixed a minor Motif dialog text field bug.
977 * Fixed yet another XPointer-not-defined-in-R4 bug.
978 Changes since 1.17: * Added support for shadow password files.
979 * Fixed some Motif-related locking bugs.
980 * Added diagnostics when locking is disabled.
981 * Made blitspin able to use the XPM library.
982 * Added `decayscreen' hack.
983 Changes since 1.16: * Added `halo' hack.
984 Changes since 1.15: * Portability fixes.
985 Changes since 1.14: * Broke the driver up into more source files.
986 * Moved the hacks into their own directory.
987 * Made all `time' parameters accept the 00:00:00 syntax,
988 so that even the parameters which are normally read as
989 minutes can be specified in seconds.
990 * Added colormap cycling to `imsmap'.
991 * Made hyper work with K&R compilers.
992 Changes since 1.13: * Added `orbit' option to `attraction' hack.
993 * Added `lock-timeout' option.
994 * Cleaned up options of `maze' hack.
995 Changes since 1.8: * Added demo mode, and locking.
997 * Added `norotate' option to `rocks' hack.
998 Changes since 1.4: * Works when run from XDM before anyone logs in.
1000 * Can use `xv' as a slideshow without using up colormap
1001 entries while the screen is not blanked.
1002 * Fixed a BadDrawable error in non-XIdle mode.
1003 * Added `blitspin' and `imsmap'.
1004 Changes since 1.0: * Current list of included hacks is now: qix, helix,
1005 rorschach, attraction, greynetic, rocks, pyro,
1006 hopalong, and noseguy.
projects / xscreensaver / blob