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Revision 1.135 by ayin, Sun Jun 24 23:30:17 2007 UTC vs.
Revision 1.143 by ayin, Thu Aug 2 00:09:54 2007 UTC

… …
1151This forking is done as the very first within main(), which is very early 1151This forking is done as the very first within main(), which is very early
1152and reduces possible bugs to initialisation code run before main(), or 1152and reduces possible bugs to initialisation code run before main(), or
1153things like the dynamic loader of your system, which should result in very 1153things like the dynamic loader of your system, which should result in very
1154little risk. 1154little risk.
1155 1155
1156=head3 On Solaris 9, many line-drawing characters are too wide.
1157
1158Seems to be a known bug, read
1159L<http://nixdoc.net/files/forum/about34198.html>. Some people use the
1160following ugly workaround to get non-double-wide-characters working:
1161
1162 #define wcwidth(x) wcwidth(x) > 1 ? 1 : wcwidth(x)
1163
1164=head3 I am on FreeBSD and rxvt-unicode does not seem to work at all. 1156=head3 I am on FreeBSD and rxvt-unicode does not seem to work at all.
1165 1157
1166Rxvt-unicode requires the symbol C<__STDC_ISO_10646__> to be defined 1158Rxvt-unicode requires the symbol C<__STDC_ISO_10646__> to be defined
1167in your compile environment, or an implementation that implements it, 1159in your compile environment, or an implementation that implements it,
1168whether it defines the symbol or not. C<__STDC_ISO_10646__> requires that 1160whether it defines the symbol or not. C<__STDC_ISO_10646__> requires that
… …
1191 1183
1192The rxvt-unicode author insists that the right way to fix this is in the 1184The rxvt-unicode author insists that the right way to fix this is in the
1193system libraries once and for all, instead of forcing every app to carry 1185system libraries once and for all, instead of forcing every app to carry
1194complete replacements for them :) 1186complete replacements for them :)
1195 1187
1196=head3 I use Solaris 9 and it doesn't compile/work/etc.
1197
1198Try the diff in F<doc/solaris9.patch> as a base. It fixes the worst
1199problems with C<wcwidth> and a compile problem.
1200
1201=head3 How can I use rxvt-unicode under cygwin? 1188=head3 How can I use rxvt-unicode under cygwin?
1202 1189
1203rxvt-unicode should compile and run out of the box on cygwin, using 1190rxvt-unicode should compile and run out of the box on cygwin, using
1204the X11 libraries that come with cygwin. libW11 emulation is no 1191the X11 libraries that come with cygwin. libW11 emulation is no
1205longer supported (and makes no sense, either, as it only supported a 1192longer supported (and makes no sense, either, as it only supported a
… …
1208old libW11 emulation. 1195old libW11 emulation.
1209 1196
1210At the time of this writing, cygwin didn't seem to support any multi-byte 1197At the time of this writing, cygwin didn't seem to support any multi-byte
1211encodings (you might try C<LC_CTYPE=C-UTF-8>), so you are likely limited 1198encodings (you might try C<LC_CTYPE=C-UTF-8>), so you are likely limited
1212to 8-bit encodings. 1199to 8-bit encodings.
1200
1201=head3 Character widths are not correct.
1202
1203urxvt uses the system wcwidth function to know the information about
1204the width of characters, so on systems with incorrect locale data you
1205will likely get bad results. Two notorious examples are Solaris 9,
1206where single-width characters like U+2514 are reported as double-width,
1207and Darwin 8, where combining chars are reported having width 1.
1208
1209The solution is to upgrade your system or switch to a better one. A
1210possibly working workaround is to use a wcwidth implementation like
1211
1212http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c
1213 1213
1214=head1 RXVT-UNICODE TECHNICAL REFERENCE 1214=head1 RXVT-UNICODE TECHNICAL REFERENCE
1215 1215
1216The rest of this document describes various technical aspects of 1216The rest of this document describes various technical aspects of
1217B<rxvt-unicode>. First the description of supported command sequences, 1217B<rxvt-unicode>. First the description of supported command sequences,
… …
2325 2325
2326Write user and tty to lastlog file (used by programs like 2326Write user and tty to lastlog file (used by programs like
2327F<lastlogin>) at start of rxvt execution. This option requires 2327F<lastlogin>) at start of rxvt execution. This option requires
2328--enable-utmp to also be specified. 2328--enable-utmp to also be specified.
2329 2329
2330=item --enable-xpm-background (default: on) 2330=item --enable-afterimage (default: on)
2331 2331
2332Add support for XPM background pixmaps. 2332Add support for libAfterImage to be used for transparency and background
2333images. It adds support for many file formats including JPG, PNG,
2334SVG, TIFF, GIF, XPM, BMP, ICO, XCF, TGA and AfterStep image XML
2335(L<http://www.afterstep.org/visualdoc.php?show=asimagexml>).
2336
2337This option also adds such eye candy as blending an image over the root
2338background, as well as dynamic scaling and bluring of background images.
2339
2340Note that with this option enabled, @@RXVT_NAME@@'s memory footprint might
2341increase by a few megabytes even if no extra features are used (mostly due
2342to third-party libraries used by libAI). Memory footprint may somewhat be
2343lowered if libAfterImage is configured without support for SVG.
2333 2344
2334=item --enable-transparency (default: on) 2345=item --enable-transparency (default: on)
2335 2346
2336Add support for inheriting parent backgrounds thus giving a fake 2347Add support for inheriting parent backgrounds thus giving a fake
2337transparency to the term. 2348transparency to the term.
2338 2349
2339=item --enable-fading (default: on) 2350=item --enable-fading (default: on)
2340 2351
2341Add support for fading the text when focus is lost (requires C<--enable-transparency>). 2352Add support for fading the text when focus is lost.
2342 2353
2343=item --enable-tinting (default: on) 2354=item --enable-tinting (default: on)
2344 2355
2345Add support for tinting of transparent backgrounds (requires C<--enable-transparency>). 2356Add support for tinting of transparent backgrounds (requires C<--enable-transparency>).
2346 2357
… …
2435=item --enable-keepscrolling (default: on) 2446=item --enable-keepscrolling (default: on)
2436 2447
2437Add support for continual scrolling of the display when you hold 2448Add support for continual scrolling of the display when you hold
2438the mouse button down on a scrollbar arrow. 2449the mouse button down on a scrollbar arrow.
2439 2450
2451=item --enable-selectionscrolling (default: on)
2452
2453Add support for scrolling when the selection moves to the top or
2454bottom of the screen.
2455
2440=item --enable-mousewheel (default: on) 2456=item --enable-mousewheel (default: on)
2441 2457
2442Add support for scrolling via mouse wheel or buttons 4 & 5. 2458Add support for scrolling via mouse wheel or buttons 4 & 5.
2443 2459
2444=item --enable-slipwheeling (default: on) 2460=item --enable-slipwheeling (default: on)
2445 2461
2446Add support for continual scrolling (using the mouse wheel as an 2462Add support for continual scrolling (using the mouse wheel as an
2447accelerator) while the control key is held down. This option 2463accelerator) while the control key is held down. This option
2448requires --enable-mousewheel to also be specified. 2464requires --enable-mousewheel to also be specified.
2449 2465
2450=item --enable-smart-resize (default: on) 2466=item --enable-smart-resize (default: off)
2451 2467
2452Add smart growth/shrink behaviour when changing font size via hot 2468Add smart growth/shrink behaviour when resizing.
2453keys. This should keep the window corner which is closest to a corner of 2469This should keep the window corner which is closest to a corner of
2454the screen in a fixed position. 2470the screen in a fixed position.
2455 2471
2456=item --enable-pointer-blank (default: on) 2472=item --enable-pointer-blank (default: on)
2457 2473
2458Add support to have the pointer disappear when typing or inactive. 2474Add support to have the pointer disappear when typing or inactive.
… …
2466C<PERL> environment variable when running configure. Even when compiled 2482C<PERL> environment variable when running configure. Even when compiled
2467in, perl will I<not> be initialised when all extensions have been disabled 2483in, perl will I<not> be initialised when all extensions have been disabled
2468C<-pe "" --perl-ext-common "">, so it should be safe to enable from a 2484C<-pe "" --perl-ext-common "">, so it should be safe to enable from a
2469resource standpoint. 2485resource standpoint.
2470 2486
2487=item --with-afterimage-config=DIR
2488
2489Look for the libAfterImage config script in DIR.
2490
2471=item --with-name=NAME (default: urxvt) 2491=item --with-name=NAME (default: urxvt)
2472 2492
2473Set the basename for the installed binaries, resulting 2493Set the basename for the installed binaries, resulting
2474in C<urxvt>, C<urxvtd> etc.). Specify C<--with-name=rxvt> to replace with 2494in C<urxvt>, C<urxvtd> etc.). Specify C<--with-name=rxvt> to replace with
2475C<rxvt>. 2495C<rxvt>.
… …
2484PATH. 2504PATH.
2485 2505
2486=item --with-x 2506=item --with-x
2487 2507
2488Use the X Window System (pretty much default, eh?). 2508Use the X Window System (pretty much default, eh?).
2489
2490=item --with-xpm-includes=DIR
2491
2492Look for the XPM includes in DIR.
2493
2494=item --with-xpm-library=DIR
2495
2496Look for the XPM library in DIR.
2497
2498=item --with-xpm
2499
2500Not needed - define via --enable-xpm-background.
2501 2509
2502=back 2510=back
2503 2511
2504=head1 AUTHORS 2512=head1 AUTHORS
2505 2513

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