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README
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XScreenSaver
a collection of
free screen savers
for X11, macOS,
iOS and Android
By Jamie Zawinski
and many others
https://www.jwz.org/xscreensaver/
===============================================================================
This is the XScreenSaver source code distribution. It is strongly recommended
that you install a binary release rather than trying to compile it yourself.
Executables are available for almost all platforms, including macOS, iOS, and
Android. See the XScreenSaver web site for details.
===============================================================================
To compile for a Unix system with X11:
===============================================================================
./configure --help
./configure --prefix=/usr
make
sudo make install
make clean
xscreensaver &
xscreensaver-settings
There are many compilation dependencies. The configure script will tell
you what is missing. At the least, you will need development versions of
these libraries. Append "-dev" or "-devel" to most of these:
perl pkg-config gettext intltool libx11 libxext libxi libxt libxft
libxinerama libxrandr libxxf86vm libgl libglu libgle libgtk-3-0
libgdk-pixbuf2.0 libjpeg libxml2 libpam libsystemd elogind
BSD systems might need gmake instead of make.
===============================================================================
To compile for macOS or iOS:
===============================================================================
See OSX/README. Use the included Xcode project.
===============================================================================
To compile for Android:
===============================================================================
See android/README.
===============================================================================
Interested in writing a new screen saver?
===============================================================================
See the README.hacking file.
===============================================================================
Version History
===============================================================================
6.08 * macOS: Worked around a macOS 14.0 bug where savers would continue
running invisibly in the background after un-blanking.
* macOS: Upgraded Sparkle (the "Check for Updates" library) for
macOS 14.0 compatibility.
6.07 * New hacks, `droste', `skulloop', `papercube' and `cubocteversion'.
* `xscreensaver-settings' was sometimes turning off the DPMS checkbox.
* Log pid of caller of `deactivate' command, to give a hint about who
is preventing the screen from blanking.
* recanim uses libffmpeg.
* Updates to `sphereeversion'.
* Added some new map sources to `mapscroller'.
* macOS: Worked around a macOS 13.4 bug where multi-head systems would
fail to launch savers on some or all screens.
* Minimum compiler target is now ISO C99 instead of ANSI C89.
Didn't want to rush into it.
* macOS, Android: Better looking thunbmail images.
* Various other minor bug fixes.
6.06 * New hack, `hextrail'.
* `marbling' works again.
* Adjusted some of the very old hacks, which were written when pixels
were larger, to be more visible on today's higher rez displays.
* X11: More robust desktop image grabbing.
* X11: Various improvements to `xscreensaver-settings'.
* X11: Silence new new Perl warnings from `xscreensaver-getimage-file'.
* X11: Supports "Lock" messages from systemd, e.g. when logind.conf
has "HandleLidSwitch=lock" instead of "suspend".
6.05 * X11: Cope with dumb DPMS settings that existed pre-startup.
* X11: Silence new Perl warnings from `xscreensaver-getimage-file'.
* X11: Fix `sonar' pthreads crash on recent Pi systems.
* X11: Removed dependence on `gdk-pixbuf-xlib-2.0'.
* X11: GTK 3 is now required.
* macOS: Fixed the "Run savers on screens" preference in Random mode
on multi-screen M1 systems.
* Retired `thornbird', which is redundant with `discrete'.
6.04 * New hacks, `nakagin' and `chompytower'.
* Settings dialog shows diagnostics for bad image folders and feeds.
* URLs for `imageDirectory' can now point at archive.org collections.
* Sliders for various "Speed" preferences are easier to use.
* X11: Settings dialog shows saver description below embedded preview.
* X11: Better behavior when zero monitors are attached.
* X11: Improvements to inhibiting blanking while videos are playing:
No longer necessary to hack GNOME and KDE to get them to not usurp
the org.freedesktop.ScreenSaver endpoint.
* X11: `unicrud' displays character names.
* Updated `webcollage'.
6.03 * New hack, `squirtorus'.
* New hack, `mapscroller' (X11 and macOS only).
* `sphereeversion' now has corrugation-mode, and can evert the Earth.
* `glplanet' is higher resolution, and displays time zones.
* `glslideshow' displays relative pathnames again.
* iOS: Apple broke drag-to-rotate again. Fixed.
* macOS: fixed spurious error message in auto-update installer.
* X11: fixed `sonar' failing to ping on some Linux systems.
* X11: Touch-screens work.
* X11: Hold down Backspace to clear the whole password field.
6.02 * New hacks, `marbling' and `binaryhorizon'.
* `atlantis' behaviors are more random and lifelike.
* `headroom' is now Mask Headroom.
* X11: `fontglide' skips fonts that can't display ASCII.
* X11: Use asterisks in the password dialog if the system fonts don't
have bullets in them.
* X11: "Disable Screen Saver" was behaving like "Blank Screen Only".
* Android: These hacks work now: `antinspect', `barcode',
`energystream', `fliptext', `fontglide', `glsnake', `raverhoop',
`starwars', `unicrud'.
6.01 * X11: Properly disable the server's built-in screen saver.
* X11: The passwdTimeout option was being ignored.
* X11: The display of the unlock thermometer was weird.
* X11: Fixed password entry on old-school multi-screen setups (:0.1).
* X11: Worked around a KDE 5 compositor bug that caused the desktop
to momentarily become visible when cycling.
* X11: Fixed possible high CPU usage in `xscreensaver-systemd'.
* X11: Fixed some spurious warnings in `xscreensaver-text'.
* X11: Warn when Wayland is in use, since it makes both screen saving
and locking impossible.
6.00 * X11: Major refactor of the `xscreensaver' daemon for improved
security, dividing it into three programs: `xscreensaver',
`xscreensaver-gfx' and `xscreensaver-auth'.
* X11: Dropped support for systems older than X11R7 (2009).
* X11: Renamed `xscreensaver-demo' to `xscreensaver-settings'.
* X11: Unlock dialog has user-selectable color schemes.
* X11: Everything uses XFreeType for fonts now.
* X11: Install a few custom fonts needed by some savers.
* X11: Fading works on systems without gamma (e.g. Raspberry Pi).
* X11: Use EGL instead of GLX when available.
* X11: `xscreensaver-systemd' now detects when a video player has
inhibited screen blanking and then exits without uninhibiting.
* Improved GLSL and GLES3 support: Phong shading in `etruscanvenus',
`hypertorus', `klein', `projectiveplane',`romanboy' and
`sphereeversion'.
* Updates to `cubicgrid'.
* macOS: Added a `Random XScreenSaver' screen saver, which implements
cycle mode, among other things.
* iOS: Also added cycle mode.
5.45 * New hacks, `covid19', `headroom', `sphereeversion' and `beats'.
* Shader updates to `hypertorus'.
* No more image-loading pause in `glslideshow'.
* BSOD supports GNOME.
* Image loaders support SVG.
* macOS: Fixed text loading on 10.15.
* X11: `xscreensaver-systemd' now allows video players to request that
the screen not blank.
* X11: -log implies -verbose -no-capture-stderr.
* X11: Glade -> GtkBuilder.
* Android: These hacks work now: `carousel', `juggler3d', `molecule',
`photopile', `polyominoes'.
* Various bug fixes.
5.44.1 * macOS: fixed some signing problems in the DMG.
5.44 * New hacks, `gibson', `etruscanvenus' and `scooter'.
* BSOD supports Tivo and Nintendo.
* New color options in `romanboy', `projectiveplane', `hypertorus'
and `klein'.
* macOS: Fixed "Use random screen saver" on macOS 10.15.
* iOS: Supports dark mode.
* iOS: Fixed image loading on iOS 13.
* iOS: Fixed rotation on iOS 13 (Apple incompatibly breaks rotation
every two years as a matter of policy).
* Performance tweaks for `eruption', `fireworkx', `halftone', `halo',
`moire2', `rd-bomb'.
* X11: Always use $HOME/.xscreensaver, not getpwuid's directory.
* Various bug fixes.
5.43 * New hacks, `GravityWell', `DeepStars'.
* GLPlanet now supports the Mercator projection.
* Bouncing Cow has mathematically ideal cows (spherical, frictionless).
* Foggy toasters.
* Unknown Pleasures can now use an image file as a clip mask.
* Updated `webcollage' for recent changes.
* macOS: Fixed BSOD fonts on UWQHD+ displays.
* X11: Added some sample unlock dialog color schemes to the .ad file.
* X11: On systemd systems, closing your laptop lid might actually lock
your screen now, maybe.
* X11: 'sonar' can ping without being setuid by using setcap.
5.42 * macOS: Fixed Sparkle auto-updater.
5.41 * X11: Those new font-loading fallback heuristics work again. Oops.
* iOS, Android: Plugged many memory leaks at exit.
* New hack, `handsy'.
* Fixed `noof' from displaying minimalistically.
* Rewrote `unknownpleasures' to be faster, and a true waterfall graph.
* BSOD Solaris improved. DVD added.
* Linux: If the xscreensaver daemon is setuid, then we can implore the
kernel's out-of-memory killer to pretty please not unlock the screen.
* macOS: Upgraded Sparkle (the "Check for Updates" library).
* macOS: Screen saver settings work again on 10.14.
5.40 * New hacks, `filmleader', `vfeedback'.
* New hack, `glitchpeg' (X11 and macOS only).
* GLPlanet blends between day and night maps at the dusk terminator.
* DymaxionMap can display arbitrary map images, and animate sunlight
across the flattened globe.
* Tessellimage can draw either Delaunay or Voronoi tilings.
* XAnalogTV includes test cards.
* Android: These hacks work now: `blitspin', `bumps', `cityflow',
`endgame', `esper', `flipscreen3d', `gleidescope', `glslideshow',
`jigglypuff', `queens', `tessellimage', `xanalogtv', `xmatrix',
`zoom'.
5.39 * New hacks, `razzledazzle', `peepers', `crumbler' and `maze3d'.
* More heuristics for using RSS feeds as image sources.
* Android: Image loading works.
* Built-in image assets are now PNG instead of XPM or XBM.
* X11: Better font-loading fallback heuristics on systems with a
terrible selection of installed fonts.
* macOS: Retina display-related bug fixes.
5.38 * New hack, `esper'.
* macOS: Support for Retina displays.
* X11: `webcollage' now works with ImageMagick instead of with
pbmtools if `webcollage-helper' is not installed.
* `bsod' now accepts Dunning-Krugerrands.
* Android: These hacks work now: `anemone', `anemotaxis', `atlantis',
`bouboule', `celtic', `compass', `crackberg', `epicycle',
`fuzzyflakes', `goop', `kumppa' `munch', `pacman', `polyominoes',
`slip'.
* Android: Thick lines work better for: `anemone', `anemotaxis',
`celtic', `compass', `deluxe', `epicycle', `fuzzyflakes', `pacman'.
* Android: Assorted performance improvements, especially for `kumppa'
and `slip'.
* Android TV: Daydreams work.
* iOS: Tweaks for iPhone X.
* Lots of xlockmore-derived hacks now have animated erase routines.
* `crystal' works properly on non-X11 systems.
* `m6502' now includes `texture.asm'.
* X11: Try harder to find sensible fonts for the password dialog.
5.37 * New hack, `vigilance'.
* Added Mac Software Update and VMware to `bsod'.
* macOS: Grabbing the desktop works again.
* macOS: Pinch to zoom.
* Android: Both Daydreams and Live Wallpapers are implemented.
* Updated `webcollage' for recent changes.
* Various bug fixes.
5.36 * New hacks, `discoball', `cubetwist', `cubestack', `splodesic'
and `hexstrut'.
* macOS: loading image files works in `dymaxionmap', `glplanet',
`lavalite', `pulsar', `gleidescope' and `extrusion'.
* Several new programs in `m6502'.
* `rotzoomer -mode circle'.
* Better titles in `photopile'.
5.35 * New hacks, `dymaxionmap', `unicrud', `energystream', `raverhoop'
and `hydrostat'.
* Added Windows 10 to `bsod'.
* X11: ignore WM_USER_TIME property changes with days-old timestamps.
Thanks, KDE.
* macOS, iOS: Better fonts in `bsod' and `memscroller'.
* macOS 10.8 or later and iOS 6.0 or later are now required, since
Xcode 6 can no longer build executables that work on older OSes.
* Many, many Android improvements.
* iOS: Fixed rotation to work with the new iOS 8+ API.
* X11: `pong' is now playable.
5.34 * Fixed a crash when hot-swapping monitors while locked.
* Fixed some incorrect output from `xscreensaver-command -watch'.
* Various macOS and iOS performance improvements.
5.33 * New hacks, `splitflap' and `romanboy'.
* Better detection of user activity on modern GNOME systems.
* Sonar now does asynchronous host name resolution.
* Improved Unicode support.
* Updated `webcollage' for recent changes.
* Various minor fixes.
5.32 * Fixed some X11 compilation problems.
* Fixed display size and shake gestures on iOS.
* macOS/iOS Performance improvements.
5.31 * New hacks, `geodesicgears', `binaryring' and `cityflow'.
* UTF-8 text support (instead of only Latin1) and antialiased text
on X11 with Xft (instead of only on macOS/iOS) in `fontglide',
`noseguy', `fliptext', `starwars', and `winduprobot'.
The other text-displaying hacks (`apple2', `phosphor', `xmatrix',
and `gltext') also now accept UTF-8 input, though they convert it
to Latin1 or ASCII.
* `glplanet' now has both day and night maps, and a sharp terminator.
* Fixed `webcollage' on macOS.
* Fixed a transparency glitch in `winduprobot'.
* `lockward' works on iOS.
* Text and image loading work on macOS 10.10.
* Rotation works properly on iOS 8.
* Added a search field on iOS.
* Preliminary, unfinished support for Android.
5.30 * New hack, `winduprobot'.
* Many improvements to `lament', including Leviathan.
* Fixed the normals in `flyingtoasters': shading is correct now.
* Implemented TEXTURE_GEN in GLES: flying toast is now toasted on iOS.
* Make cel-shading sort-of work in `skytentacles' on iOS.
* Fixed dragging-to-rotate on rotated iOS devices, I think.
* Dragging has inertia now.
* Most hacks respond to mouse-clicks, double-taps and swipes as
meaning "do something different now".
* Reworked OpenGL fonts.
* The macOS auto-update installer wasn't working. This time for sure?
* Various minor fixes.
5.29 * Downgraded to Xcode 5.0.2 to make it possible to build savers
that will still run on 10.6 and 10.7. Sigh.
* Updated `webcollage' for recent changes.
5.28 * Fixed some compilation problems and intermittent crashes.
* Turned off the macOS 10.6 enable_gc hack. It didn't work.
5.27 * New hacks, `tessellimage' and `projectiveplane'.
* Added support for pthreads, because Dave Odell is a madman.
* Updated `webcollage' for recent changes.
* Minor iOS tweaks to the `analogtv' hacks.
* X11: Don't assume Suspend = 0 implies "No DPMS".
* Minor updates to `boxed' and `klein'.
* Fixed possible crash in `apple2', `noseguy', `xmatrix', `shadebobs'.
* Fixed possible crash in macOS preferences.
* macOS Performance improvements.
* Plugged some leaks.
5.26 * More auto-updater tweaks.
5.25 * Try harder to bypass Quarantine and Gatekeeper in macOS installer.
* Some files were missing from the tarball.
5.24 * Added "Automatically check for updates" option on macOS.
* Updated feed-loading for recent Flickr changes.
* Updated `webcollage' for recent Google changes.
* Added Instagram and Bing as `webcollage' image sources.
* Updated to latest autoconf.
* Bug fixes.
5.23 * New hack, `geodesic'.
* iOS and macOS: huge XCopyArea performance improvements.
* More heuristics for using RSS feeds as image sources.
* Improved Wikipedia parser.
* Updated `webcollage' for recent Flickr changes.
* Added Android to `bsod'.
* macOS: Added a real installer.
* iOS and macOS: fixed a font-metrics bug.
* iOS: Fixed aspect ratio bug in non-rotating apps when launched in
landscape mode.
* Made `quasicrystal' work on weak graphics cards.
* iOS: fixed `ifs'.
* Better compression on icons, plists and XML files: smaller
distribution and installation footprint.
* Reverted that DEACTIVATE change. Bad idea.
* `Phosphor' now supports amber as well as green.
5.22 * New hacks, `kaleidocycle', `quasicrystal', `unknownpleasures' and
`hexadrop'.
* Performance improvements for `interference'.
* Fixed possible crashes in `apple2', `maze', `pacman', `polyominoes',
`fireworkx', `engine'.
* Fix for `bumps' in 64 bit.
* Fixed preferences crash on old iOS 5 devices.
* Fixed "Shake to Randomize"; display name of saver.
* Fixed weirdness with "Frame Rate" sliders on iOS.
* Fixed rotation problems with `pacman', `decayscreen'.
* Better dragging in `fluidballs'.
* Ignore rotation in hacks that don't benefit from it.
* Ignore DEACTIVATE messages when locked, instead of popping up the
password dialog box.
5.21 * Changed default text source from Twitter to Wikipedia, since Twitter
now requires a login to get any feeds.
* New version of `fireworkx'.
* Minor fixes to `distort', `fontglide', `xmatrix'.
* New macOS crash in `bsod'.
* New mode in `lcdscrub'.
5.20 * Support for iPhone 5 screen size.
* Fixed modifier key handing in Apple2.app and Phosphor.app on macOS.
* Various minor bug fixes.
5.19 * macOS 10.8.0 compatibility.
* iOS performance improvements.
5.18 * iOS responds to shake gestures to randomize.
* iOS can load images from your Photo Library.
* iOS has clickable Wikipedia links in Settings panels.
* Made `pipes' be ridiculously less efficient, but spin.
* Added better mouse control to `rubik', `cube21', `crackberg', and
`julia'.
* Cosmetic improvements to `queens' and `endgame'.
* `sonar' can now ping local subnet on DHCP.
* Most savers now resize/rotate properly.
* Various fixes.
5.17 * More iOS tweaks.
* Fixed some compilation problems.
* Enlarged the texture image for `lament'.
5.16 * Ported to iPhone and iPad.
* XInput devices now also ignore small mouse motions.
* Loading images via RSS feeds is much improved.
* Various minor fixes.
5.15 * New hacks, `hilbert', `companioncube' and `tronbit'.
* Image-manipulating hacks can now load from RSS or Atom feeds:
`imageDirectory' may contain a URL.
* Updated `webcollage' for recent search engine changes.
* `phosphor' and `apple2' can now be run as standalone terminal
emulator applications on macOS.
* `photopile' sped up.
* New molecule in `molecule'.
* "Upgraded" to XCode 4.0, which means that macOS 10.4 PPC builds are
impossible, and Intel is now required.
* Turned on LC_CTYPE on Linux; maybe Japanese password entry works
now?
5.14 * Fixed crash in Blank Only Mode when DPMS disabled.
* Added "Quick Power-off in Blank Only Mode" option.
* BSOD GLaDOS.
5.13 * Optionally enabled full-scene OpenGL antialiasing. Set the resource
`*multiSample' to true if doing so doesn't kill performance with
your video hardware.
* New version of `glhanoi'.
* Image-loading hacks that display the file name now also display the
sub-directory (xscreensaver-getimage now returns relative paths
under imageDirectory).
* Passwords that contain UTF-8 non-Latin1 chars are now typeable.
* Numerous minor stability fixes.
5.12 * Big speed improvement on macOS for heavy XCopyArea users (`xmatrix',
`moire2', `phosphor', etc.)
* Plugged a bad macOS-only Pixmap leak.
* Kludged around the macOS pty bug that caused text to be truncated in
phosphor, starwars, apple2, etc.
* New molecule in `molecule'.
* `glhanoi' now supports an arbitrary number of poles.
* Turned on "New Login" button by default.
* Added support for XInput-style alternate input devices.
5.11 * New versions of `photopile', `strange'.
* Worked around macOS 10.6 garbage collector bug that caused the
screen saver process to become enormous.
* Fixed flicker in `pipes', `cubestorm', and `noof'.
* Fixed EXIF rotation on macOS 10.6.
* Fixed desktop-grabbing when screen locked on macOS.
* Minor fixes to `circuit', `polyhedra', `tangram', `gears', `pinion',
`substrate', `xanalogtv'.
* Fixed some leaks in `xanalogtv' and `apple2'.
* Better seeding of the RNG.
5.10 * Fixed some crashes and color problems on macOS 10.6.
* Retired `hypercube' and `hyperball', which are redundant with
`polytopes'.
5.09 * Ported to macOS 10.6, including various 64-bit fixes.
* New hack, `rubikblocks'.
* Fixed another potential RANDR crash.
* Use correct proxy server on macOS.
* `molecule' now correctly displays PDB 3.2 files.
* Updates to `mirrorblob', `glhanoi', and `sonar'.
* Rewritten version of `klein' hack.
* New hack, `surfaces', incorporating objects from old `klein' hack,
plus new ones.
* Merged `juggle' and `juggler3d' hacks.
* Fixed compilation under gcc 4.4.0 (strict aliasing).
* Fixed intermittent failure in `xscreensaver-command'.
5.08 * New hack, `photopile'.
* Rewrote `sonar' and `jigsaw' as OpenGL programs.
* Minor tweaks to `maze', `m6502', `hypnowheel', and `timetunnel'.
* Savers that load images now obey EXIF rotation tags.
* Arrgh, more RANDR noise! Fixes this time for rotated screens, and
for systems where RANDR lies and says the screen size is 0x0.
* When the password dialog has timed out or been cancelled, don't pop
it right back up a second time.
* Password timeouts/cancels don't count as "failed logins".
* Retired some of the older, less interesting savers: say goodbye to
`bubbles', `critical', `flag', `forest', `glforestfire', `lmorph',
`laser', `lightning', `lisa', `lissie', `rotor', `sphere', `spiral',
`t3d', `vines', `whirlygig', and `worm'.
* Merged `munch' and `mismunch'.
* Updated `webcollage' to use twitpic.com as well.
5.07 * Xinerama/RANDR tweaks for old-style multi-screen.
* Added bumpy skin and cel shading to `skytentacles'.
* `flipflop' can load images onto the tiles.
* Fixed the bouncing ball in `stairs'.
* Added the missing Utah Teapotahedron to `polyhedra'.
* `blitspin' works with color images on macOS now.
* Added transparency to `stonerview'.
* Improved layout of the preferences dialogs: they should all now be
usable even on ridiculously tiny laptop screens.
* macOS preferences text fields now prevent you from entering numbers
that are out of range.
* Added "Reset to Defaults" button on X11.
* Added relevant Wikipedia links to many of the screen saver
descriptions.
* All hacks support the `-fps' option, not just GL ones.
* The `-fps' option now shows CPU load.
5.06 * Xinerama/RANDR fixes: this time for sure. It should now work to
add/remove monitors or resize screens at any time.
* New hack, `skytentacles'.
* New version of `gleidescope'.
* Added the `-log' option to the xscreensaver daemon, since a truly
shocking number of Linux users seem to have no idea how to redirect
output to a file.
* Added `-duration' arg to most image-loading hacks, so that they pick
a new image every few minutes.
* Added an ATM crash to `bsod'.
5.05 * New hacks, `cubicgrid', `hypnowheel', and `lcdscrub' (which isn't
really a screen saver).
* Updates to `m6502' and `gears'.
* Fixed double-buffering problems in `cubestorm' and `noof'.
* Better handling of horizontal scroll wheels.
* Attempt to work around latest Xinerama braindamage: if the server
reports overlapping screens, use the largest non-overlapping
rectangles available.
* Don't warning about receipt of bogus ClientMessages, since Gnome's
just never going to stop sending those.
* Worked around macOS 10.5 perl bug that caused the text-displaying
hacks to fail on some systems.
* Hopefully fixed font-related System Preferences crashes in macOS
savers.
* The recent PAM changes broke the "Caps Lock" warning in the password
dialog, the failed login warnings, and syslogging. Fixed all that.
5.04 * Fixed a possible crash in the unlock dialog (more fallout from the
recent PAM changes...)
* New hacks, `moebiusgears', `abstractile', and `lockward'.
* Rewrote `gears' to use better (involute) gear models, and to be more
random.
* Minor updates to `cwaves', `voronoi', `deco', `glcells', `rd-bomb',
`fireworkx' and `webcollage'.
* `pong' can now display the current time as the score.
* `xmatrix -mode pipe' works better.
* Minor tweaks for compilation on macOS 10.5.0.
5.03 * New hacks, `cwaves', `glcells', `m6502', and `voronoi'.
* Minor fixes to `bsod'.
* Fixed possible crash with PAM USB-dongle auth.
* Updated `webcollage' to track recent Google Images and Flickr
changes.
5.02 * Reworked PAM code to support fingerprint readers, etc.
* Ported `webcollage' to macOS.
* Added macOS 10.2 and 10.3 kernel panics to `bsod'.
* Fixed a Xinerama crash when changing the screen count.
* New blobbier `mirrorblob'.
* Minor updates to `lisa', `bsod', `ifs', `hypertorus', `polytopes',
`circuit', `endgame', `crackberg', `flipflop', `flipscreen3d',
`fliptext', and `carousel'.
* Enabled multi-threaded OpenGL on macOS.
5.01 * Backed out recent locale-related changes, since they broke far more
things than they fixed.
* Fail gracefully with ridiculously small window sizes.
* `xflame' and `flag' ignore bitmap option on macOS.
* `speedmine' prefs work on macOS.
* Better explosions in `boxed'.
* More dynamic motion in `sproingies'.
* More options in `flipflop'.
* Minor updates to `topblock'.
* Various other minor fixes.
5.00 * Ported to macOS! (10.4.0 or newer)
* API change: instead of providing a single screenhack() function that
does not return, screen savers using the screenhack.h framework must
now provide "init" and "draw one frame" functions instead. All
bundled savers have been updated; third-party patches will need
work.
* All image-loading happens asynchronously.
* xscreensaver-getimage-file caches the contents of the image
directory for a few hours, so consecutive runs won't have to re-list
the whole directory tree.
* New hacks, `topblock' and `glschool'.
* Removed `xteevee' (superceded by `xanalogtv').
* Added variable-sized puzzle pieces to `jigsaw'.
* Changes to the defaults and command-line options of many hacks to
make the .xml files more consistent.
* Reap zombies in `glslideshow' and `carousel'.
* `sonar' works without setuid on macOS (dgram icmp).
* `xmatrix -mode pipe' displays the text of a subprocess.
* `endgame' has higher resolution chess-piece models.
* `webcollage' takes a -directory option to get images from a local
directory.
* The RPM spec file no longer auto-restarts xscreensaver when a new
version is installed. Restart it manually.
4.24 * New versions of `cube21', `glsnake', `celtic'.
* Backed out a DPMS-related patch that cause desktop flickering with
some X servers.
* Fixed startup crash in getgroups() when running setuid.
* Default to not displaying stderr on the saver window.
* Fixed bad free() in "Documentation" button.
* Don't try to run hacks that aren't installed.
* Minor fixes to various XML config files and man pages.
4.23 * New hacks, `glhanoi', `cube21', `timetunnel', `juggler3d', and
`celtic'.
* New versions of `tangram', `webcollage', `hypertorus', `polytopes',
and `ripples'.
* `sonar' is now quiet about unresolvable hosts.
* Minor corrections to BASIC code in `apple2'.
* xscreensaver-demo now provides an RPM clue when none of the hacks
seem to be installed.
* Don't install `ant' by default, since there is some Java tool of
that name, which was causing confusion. And also it's boring.
* Made screen grabbing work again on macOS 10.4.2.
* No longer prints bogus warnings about ClientMessages intended for
the window manager.
* Ignore unprintable characters in passwd entry field.
* Fixed yet another cross-host-display image-loading endian problem.
* `xscreensaver-command -watch' and `-time' now work on 64-bit
machines.
4.22 * Fixed a bug in the new mouse-motion code that caused the screen to
never blank on multi-head non-Xinerama systems. Oops.
* New hacks, `interaggregate', `antmaze', `tangram', and `crackberg'.
* Minor tweaks to `fiberlamp', `ifs', `slidescreen', `zoom', `sonar',
`fireworkx', `whirlwindwarp', `bubble3d', and `rd-bomb'.
* Added motion blur to `blinkbox'.
* `bsod' now includes Longhorn's "RSOD", and OS/2.
* Fixed `-wireframe' usage in most hacks and man pages.
4.21 * New hack: `fliptext'.
* Changed default configure installation directories: /usr/bin/ for
xscreensaver, etc.; /usr/libexec/xscreensaver/ for hacks;
/usr/share/xscreensaver/config/ for xml files.
* All the text-manipulating screen savers can have their text source
configured via `xscreensaver-demo' now.
* xscreensaver.spec now builds three RPMs: base (no hacks); extras (2d
hacks); and gl-extras.
* Added `-program' and `-front' option to `gltext'.
* Added `-shells' to `molecule'.
* Fixed text-alpha glitch in `carousel'.
* New `pacman': the ghosts can be killed now.
* Fixed a bug in screen-grabbing GL hacks where images would be tiled
instead of scaled on machines that can't do large textures.
* `webcollage' can hit Flickr now.
* New (rewritten) implementation of `ifs'.
* The unlock dialog can be made to have a "New Login" button that will
run `gdmflexiserver'. Experimental!
* Fixed non-ASCII display bug in `starwars'.
* Configure finds a default for imageDirectory.
* `xscreensaver-command -lock' now works even if in "screensaver
disabled" mode.
* If a bad password is typed while CapsLock is on, the unlock dialog
says "CapsLock?" instead of "Sorry".
* Mouse motion only counts as activity if the mouse moved more than 10
pixels (so the screen won't unblank every time you bump your desk.)
* New mode option "random-same": if you have multiple monitors, this
will run the *same* randomly chosen hack on each screen, instead of
different ones on each.
4.20 * New hacks, `fiberlamp', `boing', `boxfit', and `carousel'.
* Rewrote `glslideshow' again: should be faster now.
* Sped up loading of images in GL programs.
* `starwars' uses texture-mapped fonts now.
* New `bsod' modes: tru64, hppa, and nvidia.
* Updates to `webcollage', `juggle', `pinion', `fireworkx', `sonar',
`extrusion', `substrate', and `pong'.
4.19 * New hacks, `substrate', `intermomentary', `fireworkx', and `pinion'.
* New version of `flow'.
* Made /proc/interrupts work again on Linux 2.6.
* Made `analogtv' not hog the CPU.
* Made analogtv-based hacks work properly on PPC/ARM.
* Fixed a bad memory leak in `piecewise'.
* Minor updates to `sonar', `molecule', `glmatrix', `galaxy', and
`webcollage'.
* Removed support for GTK 1.x (everyone uses 2.x now.)
4.18 * Oops, pay no attention to the man behind the curtain.
4.17 * New hacks, `anemotaxis' and `memscroller'.
* Fixed a bad bug that caused `vidwhacker' to never die.
* Fixed normals and lighting in `polyhedra'.
* Don't reuse the window when changing hacks (to work around bugs in
some GL implementations.)
* Made `xscreensaver-getimage-file' skip thumbnail-sized images.
* Fixed endian problem in `barcode' on non-x86.
* Updates to `webcollage', `apple2', `fuzzyflakes', `atunnel', and
`pacman'.
* Timing tweaks to `bubble3d', `bouncingcow', `engine', `gltext',
`lavalite', `molecule', `spotlight', `sballs', `boxed', `blinkbox',
and `circuit'.
* Configure updates for Fedora core 2 / xorg 6.7.0.
* Compile without warnings under gcc 3.3.3.
* I give up: don't blank or lock the screen if we can't get a keyboard
grab. In that case, both choices are bad.
4.16 * New hacks, `polyhedra', `fuzzyflakes', `antinspect', and
`providence'.
* Minor updates to `webcollage', `bsod', `endgame', `antspotlight',
`xmatrix', and `glmatrix'.
* Added support for the RANDR (Resize and Rotate) extension to detect
when the size of the desktop has been changed while xscreensaver is
already running.
* Possibly-futile attempt to work around "rdesktop" focus/grab idiocy.
* Made `xscreensaver-getimage -file' still work even if imageDirectory
is unset.
* Convert Latin1 to ASCII in `starwars' and `phosphor' (since the GLUT
font only has ASCII glyphs.)
* Fixed randomization in `noof'.
* Added "GetViewPortIsFullOfLies" preference to work around
longstanding XFree86 bug #421.
* Made `sonar' subnet pinging work properly on bigendian machines
(e.g., PPC.)
4.15 * New hacks, `wormhole', `mismunch', `noof', and `pacman'.
* `phosphor' and `apple2' include vt100 emulators now: this means you
can do "phosphor -program top", or can use either program as an
xterm replacement: "apple2 -text -fast -program 'xemacs -nw'".
* `analogtv' (and related) fill the screen better.
* The '-gradient' option works in `atlantis' now.
* Minor updates to `blinkbox', `queens', `endgame', `glmatrix',
`mirrorblob', `blocktube', and `molecule'.
* Integrated SuSE's "external passwd helper" support.
* Marginally better /tmp handling in various programs.
* Updated config defaults for xplanet 1.0.3.
* Portability fixes.
4.14 * New hacks, `fontglide', `apple2', `xanalogtv', `pong',
`gleidescope', `mirrorblob', and `blinkbox'.
* New version of `glsnake' (with many more models.)
* Another Windows crash in `bsod'; also HVX/GCOS6/TPS6.
* New version of `endgame'.
* Screen grabbing works on macOS.
* Various minor fixes.
4.13 * On Xinerama systems, xscreensaver now runs one hack on each monitor
(just like in "real" multi-head mode) instead of running one hack
stretching across all the screens. Note that for this to work with
any 3rd party screensavers, they must update their "vroot.h" file.
* `webcollage' and `vidwhacker' display images using
`xscreensaver-getimage' now.
* Added `ljlatest' script for use with `starwars' and `phosphor'.
4.12 * New GL hacks, `flipflop', `antspotlight', and `polytopes'.
* Added VMS to `bsod'.
* Compile without warnings in `gcc -pedantic'.
* Updates to `webcollage' and `queens'.
* Fixed a bug that could cause PAM to hang.
4.11 * New hacks, `hypertorus', `cubestorm', `glknots', `blocktube', and
`glmatrix'.
* Updates to `cloudlife', `engine', `xmatrix', and `sonar'.
* Rewrote `glslideshow': it should work on somewhat wimpier video
cards now.
* Various portability tweaks.
4.10 * New hacks, `cloudlife' and `klein'.
* Added Apple ][+, HPUX, and OS/390 sessions to `bsod'.
* Added some Matrix Reloaded text to `xmatrix'.
* Updates to `webcollage', `eruption', `jigglypuff', `metaballs', and
`endgame'.
* Completely ignore the `memoryLimit' setting now, since it was still
causing people GL grief.
* Various minor fixes.
4.09 * New hacks, `flyingtoasters', `bouncingcow', `jigglypuff', and
`glslideshow'.
* More models in `engine'.
* Rewrote `xscreensaver-getimage' to remove reliance on external image
loaders (xv, chbg, xloadimage, etc.) and to reduce flicker when
loading files.
* Made `gflux' and `flipscreen3d' be mouse-spinnable.
4.08 * New hacks, `atunnels' and `piecewise'.
* Physics improvement in `fluidballs'.
* Various fixes for XDarwin systems (X11 on macOS.)
* Added -clock option to `barcode'.
* Minor fixes to `endgame', `flurry', `flipscreen3d', and `gflux'.
4.07 * New hacks, `flurry', `metaballs', `eruption', `popsquares', and
`barcode'.
* Minor updates to `maze' for high density mazes.
* Added double buffering to `fluidballs' and `whirlygig'.
* Bug fixes for running xscreensaver to a remote XFree86 display
(which nobody would ever do...)
* Updated `webcollage' (faster Alta Vista searching.)
* Updated `glplanet' so the sun sets in the west.
* Updated `sproingies' with smooth, unsegmented surfaces.
* Fixed Perl version-sensitivity in `xscreensaver-getimage-file'.
* Fixed GTK2 scrolling bug in `xscreensaver-demo'.
4.06 * New hack, `glblur' (disabled by default, since it requires fast
OpenGL texture support.)
* New hack, `halftone'.
* Updates to `endgame', `queens', `bumps', `glplanet', `engine', and
`circuit'.
* New version of `menger' that uses far fewer polygons.
* Fixed minor bug in `critical' that could cause some bogus X servers
to crash.
* Better labels in `molecule': the labels now appear to be attached to
the atoms, instead of floating in front of the whole scene.
* Fixed bug that could rarely cause GL hacks to fail to double-buffer
(causing intermittent flickering.)
* Fixed a relative-URL-parsing bug in `webcollage'.
* Fixed a bug that (sometimes) caused the window manager close box to
kill `xscreensaver-demo' with a crash instead of a graceful exit.
* Updated xscreensaver.pam to the Red Hat 7.3 way.
* More Gnome2-related configure crap.
* Updated to latest `config.guess' and `config.sub'.
* Fixed occasional core dump in `distort'.
* Added a Linux fsck failure and kernel panic to `bsod'.
* Added macOS kernel panic to `bsod'.
* Fixed a bug in `bsod' (all bsod bugs are ironic.)
* Fixed a bug that caused `xscreensaver-gl-helper' to print a nonsense
visual ID with some versions of `printf': this could cause GL
programs to display incorrectly (e.g., flickery.)
4.05 * More `configure' tweaks to try and get things working on systems
that both Gtk 1.x and 2.x installed.
* New hack, `endgame'.
* Minor updates to `gltext'.
4.04 * Support for GTK 2.x / GNOME 2.x.
* The `configure' script will now use `pkg-config' if you have it, in
preference to `gtk-config', etc.
* New hacks, `lavalite', `queens', and `anemone'.
* Minor updates to `spheremonics', `gltext', `xmatrix'.
* You can use the mouse to manually spin most of the GL hacks now
(when they are displaying in a window.)
* Fixed a bug in `webcollage' (due to recent Alta Vista url changes)
that was causing it to try and load incorrect image URLs.
* Made `xscreensaver-getimage' use gdk_pixbuf if it is available: this
means that those hacks that load images will no longer rely on `xv',
`xloadimage', etc. This will close a race condition that could
sometimes cause your desktop background to be changed; and also
makes it possible for those programs to operate on image files when
running in windowed mode.
* `webcollage' can now be used in conjunction with `driftnet' to
display images snooped from your local ethernet instead of obtained
from search engines.
* Added man pages for all the hacks that didn't have them.
4.03 * New hack, `spheremonics'.
* Minor updates to `webcollage', `cage', `moebius', `morph3d',
`boxed', `circuit', and `helix'.
* `pulsar' and `extrusion' can now load texture JPEGs.
* `rubik' now does non-square cubes.
* `fluidballs' now does various sizes of balls.
* `menger' and `sierpinski3d' now also show polygon counts in -fps
mode.
* `molecule' displays real subscripts in the formulae.
* GTK internationalization/localization support.
* Better detection of the various versions of libxml.
* Upgraded to autoconf 2.53 (from 2.13.)
4.02 * Plugged a few minor leaks in `xscreensaver' and `xscreensaver-demo'.
* New hacks, `cubenetic' and `fluidballs'.
* Sped up `pipes'.
* Fixed sphere projection error in `glplanet'; installed a better
image of earth.
* Added Win2K and MacOS 1 crashes to `bsod'.
* Put back previous (better) version of `forest' that was
accidentially downgraded in the last release.
* New version of `bumps'.
* Made FPS computation in GL hacks more efficient: it will influence
the results less, thus resulting in higher (but more accurate)
reported frame rates.
4.01 * New hacks: `twang', `glsnake', `boxed', `sballs', and
`glforestfire'.
* New hacks `apollonian', `euler2d', `juggle', `polyominoes' and
`thornbird', from xlockmore.
* Merged recent xlockmore changes into `ant', `braid', `demon',
`discrete', `drift', `fadeplot', `forest', `grav', `hopalong',
`ifs', `laser', `lightning', `lisa', `lissie', `loop', `mountain',
`penrose', `rotor', `sierpinski', `slip', `sphere', `spiral',
`strange', and `vines'.
* Fixed the `gltext' bug that sometimes caused horizontal lines to
vanish again. This time for sure.
* Sped up `webcollage' by adding a C helper program to replace the PPM
pipeline. It also pastes images semi-transparently now.
* Added support for the gdk_pixbuf library: if this lib is available,
then `blitspin', `xflame', and `flag' can load GIF, JPEG, and PNG
images in addition to XPM and XBM.
* Fixed a rare race condition where the desktop-grabbing hacks could
sometimes leave the screen wedged, if the user moved the mouse
exactly when they were grabbing the screen image (it would un-wedge
the next time the saver timed out or was activated.)
* Fixed incorrect colors in the screen-grabbing GL hacks (`gflux' and
`flipscreen3d'.)
* Made SIGHUP restart the daemon process (though using
`xscreensaver-command -restart' is still the preferred way.)
* Tweaks to `xspirograph'.
* Minor configure and portability tweaks.
4.00 * Redesigned `xscreensaver-demo' GUI: it now includes small-preview
and per-hack configuration dialogs.
* Added three new modes of operation: `One Screen Saver', `Blank
Screen', and `Don't Blank' (in addition to the historical `Random
Screen Saver').
* Configure now defaults to installing the hacks in
<prefix>/lib/xscreensaver/ instead of <prefix>/bin/. (Most distros
already did it this way.)
* New GL hacks, `menger', `engine', `flipscreen3d'.
* Made `sierpinski3d' be more colorful.
* New versions of `xmatrix' and `nerverot'.
* Fixed a bug in `starwars' that made the font be drawn with thin
lines in -root mode.
* Fixed a bad colormap bug in `crystal' that could make *subsequent*
hacks malfunction!
* Made `gflux' able to grab screen images (`-mode grab').
* Updated `webcollage' for recent search engine changes.
* Removed most command-line options to `xscreensaver': just edit the
~/.xscreensaver file instead.
* Improved behavior on multi-screen and Xinerama systems: the mouse
now stays on the screen where the user left it, and the password and
splash dialogs always appear on the screen that has the mouse.
* Made the splash dialog use more Gtk-like colors; made it have only
two buttons, "Settings" and "Help".
* Made `sonar' understand `.ssh/known_hosts2' format files, and be
better about stripping out illegal addresses.
3.34 * Turned `memoryLimit' off by default, sigh. Apparently some versions
of the GL libraries (appear to) allocate hundreds of megs for every
GL program, so `memoryLimit' was causing GL programs to malfunction
or crash on those systems.
* Improved fading on TrueColor XFree86 4.1.x systems.
* New GL hack, `circuit'.
* Added `fuzz' mode to `decayscreen'.
* New version of `whirlygig'.
* Added links to `xplanet' and `sphereEversion'.
* Fixed rare race condition that could make `sonar' hang.
* Fixed potential crash in `speedmine'.
* Made `xscreensaver-demo' not crash when imageDirectory was set to a
non-existent directory.
* Made `xscreensaver-getimage-video' invoke XawTV's `streamer' program
better.
* Made `phosphor' and `starwars' deal with CR, LF, or CRLF line
endings.
* Changes for Cygwin compilation environments.
* Made `sonar' compile on systems that can't ping.
* Configure changes for HPUX 10.20.
* Made PAM code work on Red Had 4.2 systems.
* Made `xscreensaver-command -deactivate' work when the saver is not
active: what that does is reset the idle timer, as if keyboard input
had been detected. This was added for the benefit of people writing
DVD-playing software: they can now prevent the screensaver from
kicking in by sending a -deactivate message once a minute while the
movie is playing and not paused.
* Various minor portability tweaks.
3.33 * New hacks, `speedmine' and `whirlygig'.
* Sped up `pyro', made the explosions look a bit better.
* Added better stars to `glplanet' and `starwars'.
* Many internal changes to `webcollage'.
* Some new options to `attraction'.
* Minor fix to `noseguy' to avoid un-erased pixels.
* Rewrote the screen-eraser effects so that they complete in the same
amount of time regardless of how slow your X server is (some of them
were glacial on servers with slow blitting.)
* Fixed a potential free memory reference that could sometimes cause a
crash at startup.
* Possibly fixed a problem that could cause the daemon to crash with
an X error. I was never able to reproduce this problem, but I think
I might have figured out what caused it.
* Worked around a problem that caused PAM authentication to fail on