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Revision 1.103 by root, Tue Jan 24 17:31:45 2006 UTC vs.
Revision 1.117 by root, Fri Jul 28 09:14:10 2006 UTC

28world. Being a terminal emulator, however, some things are very difficult, 28world. Being a terminal emulator, however, some things are very difficult,
29especially cursive scripts such as arabic, vertically written scripts 29especially cursive scripts such as arabic, vertically written scripts
30like mongolian or scripts requiring extremely complex combining rules, 30like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devenagari. Don't expect pretty output when using these 31like tibetan or devenagari. Don't expect pretty output when using these
32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
33fine, though. A somewhat difficult case are left-to-right scripts, such 33fine, though. A somewhat difficult case are right-to-left scripts, such
34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
35belong into the application, not the terminal emulator (too many things -- 35belong into the application, not the terminal emulator (too many things --
36such as cursor-movement while editing -- break otherwise), but that might 36such as cursor-movement while editing -- break otherwise), but that might
37change. 37change.
38 38
42because the author couldn't get C<mlterm> to use one font for latin1 and 42because the author couldn't get C<mlterm> to use one font for latin1 and
43another for japanese. 43another for japanese.
44 44
45Therefore another design rationale was the use of multiple fonts to 45Therefore another design rationale was the use of multiple fonts to
46display characters: The idea of a single unicode font which many other 46display characters: The idea of a single unicode font which many other
47programs force onto it's users never made sense to me: You should be able 47programs force onto its users never made sense to me: You should be able
48to choose any font for any script freely. 48to choose any font for any script freely.
49 49
50Apart from that, rxvt-unicode is also much better internationalised than 50Apart from that, rxvt-unicode is also much better internationalised than
51it's predecessor, supports things such as XFT and ISO 14755 that are handy 51its predecessor, supports things such as XFT and ISO 14755 that are handy
52in i18n-environments, is faster, and has a lot less bugs than the original 52in i18n-environments, is faster, and has a lot bugs less than the original
53rxvt. This all in addition to dozens of other small improvements. 53rxvt. This all in addition to dozens of other small improvements.
54 54
55It is still faithfully following the original rxvt idea of being lean 55It is still faithfully following the original rxvt idea of being lean
56and nice on resources: for example, you can still configure rxvt-unicode 56and nice on resources: for example, you can still configure rxvt-unicode
57without most of it's features to get a lean binary. It also comes with 57without most of its features to get a lean binary. It also comes with
58a client/daemon pair that lets you open any number of terminal windows 58a client/daemon pair that lets you open any number of terminal windows
59from within a single process, which makes startup time very fast and 59from within a single process, which makes startup time very fast and
60drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and 60drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and
61@@RXVT_NAME@@c(1) (client). 61@@RXVT_NAME@@c(1) (client).
62 62
63It also makes technical information about escape sequences (which have 63It also makes technical information about escape sequences (which have
64been extended) easier accessible: see @@RXVT_NAME@@(7) for technical 64been extended) more accessible: see @@RXVT_NAME@@(7) for technical
65reference documentation (escape sequences etc.). 65reference documentation (escape sequences etc.).
66 66
67=head1 OPTIONS 67=head1 OPTIONS
68 68
69The B<@@RXVT_NAME@@> options (mostly a subset of I<xterm>'s) are listed 69The B<@@RXVT_NAME@@> options (mostly a subset of I<xterm>'s) are listed
93 93
94Attempt to open a window on the named X display (B<-d> still 94Attempt to open a window on the named X display (B<-d> still
95respected). In the absence of this option, the display specified by the 95respected). In the absence of this option, the display specified by the
96B<DISPLAY> environment variable is used. 96B<DISPLAY> environment variable is used.
97 97
98=item B<-depth> I<bitdepth>
99
100Compile I<xft>: Attempt to find a visual with the given bit depth;
101resource B<depth>.
102
98=item B<-geometry> I<geom> 103=item B<-geometry> I<geom>
99 104
100Window geometry (B<-g> still respected); resource B<geometry>. 105Window geometry (B<-g> still respected); resource B<geometry>.
101 106
102=item B<-rv>|B<+rv> 107=item B<-rv>|B<+rv>
109 114
110=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 115=item B<-ip>|B<+ip> | B<-tr>|B<+tr>
111 116
112Turn on/off inheriting parent window's pixmap. Alternative form is 117Turn on/off inheriting parent window's pixmap. Alternative form is
113B<-tr>; resource B<inheritPixmap>. 118B<-tr>; resource B<inheritPixmap>.
119
120I<Please note that transparency of any kind if completely unsupported by
121the author. Don't bug him with installation questions! Read the FAQ (man 7
122@@RXVT_NAME@@)!>
114 123
115=item B<-fade> I<number> 124=item B<-fade> I<number>
116 125
117Fade the text by the given percentage when focus is lost. Small values 126Fade the text by the given percentage when focus is lost. Small values
118fade a little only, 100 completely replaces all colours by the fade 127fade a little only, 100 completely replaces all colours by the fade
119colour; resource B<fading>. 128colour; resource B<fading>.
120 129
121=item B<-fadecolor> I<colour> 130=item B<-fadecolor> I<colour>
122 131
123Fade to this colour when fading is used (see B<-fade>). The default colour 132Fade to this colour when fading is used (see B<-fade>). The default colour
124is black. resource B<fadeColor>. 133is opaque black. resource B<fadeColor>.
125 134
126=item B<-tint> I<colour> 135=item B<-tint> I<colour>
127 136
128Tint the transparent background pixmap with the given colour when 137Tint the transparent background pixmap with the given colour when
129transparency is enabled with B<-tr> or B<-ip>. This only works for 138transparency is enabled with B<-tr> or B<-ip>. This only works for
177that are checked in order when trying to find glyphs for characters. The 186that are checked in order when trying to find glyphs for characters. The
178first font defines the cell size for characters; other fonts might be 187first font defines the cell size for characters; other fonts might be
179smaller, but not (in general) larger. A (hopefully) reasonable default 188smaller, but not (in general) larger. A (hopefully) reasonable default
180font list is always appended to it. See resource B<font> for more details. 189font list is always appended to it. See resource B<font> for more details.
181 190
182In short, to specify an X11 core font, just specify it's name or prefix it 191In short, to specify an X11 core font, just specify its name or prefix it
183with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>, 192with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>,
184e.g.: 193e.g.:
185 194
186 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15" 195 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
187 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono" 196 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono"
415 424
416Remap a key symbol. See resource B<keysym>. 425Remap a key symbol. See resource B<keysym>.
417 426
418=item B<-embed> I<windowid> 427=item B<-embed> I<windowid>
419 428
420Tells @@RXVT_NAME@@ to embed it's windows into an already-existing window, 429Tells @@RXVT_NAME@@ to embed its windows into an already-existing window,
421which enables applications to easily embed a terminal. 430which enables applications to easily embed a terminal.
422 431
423Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it 432Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it
424shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it 433shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it
425quite a bit, so don't expect it to keep some specific state. It's best to 434quite a bit, so don't expect it to keep some specific state. It's best to
505check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl 514check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl
506extensions not documented here): 515extensions not documented here):
507 516
508=over 4 517=over 4
509 518
519=item B<depth:> I<bitdepth>
520
521Compile I<xft>: Attempt to find a visual with the given bit depth;
522option B<-depth>.
523
510=item B<geometry:> I<geom> 524=item B<geometry:> I<geom>
511 525
512Create the window with the specified X window geometry [default 80x24]; 526Create the window with the specified X window geometry [default 80x24];
513option B<-geometry>. 527option B<-geometry>.
514 528
586=item B<inheritPixmap:> I<boolean> 600=item B<inheritPixmap:> I<boolean>
587 601
588B<True>: make the background inherit the parent windows' pixmap, giving 602B<True>: make the background inherit the parent windows' pixmap, giving
589artificial transparency. B<False>: do not inherit the parent windows' 603artificial transparency. B<False>: do not inherit the parent windows'
590pixmap. 604pixmap.
605
606I<Please note that transparency of any kind if completely unsupported by
607the author. Don't bug him with installation questions!>
591 608
592=item B<fading:> I<number> 609=item B<fading:> I<number>
593 610
594Fade the text by the given percentage when focus is lost; option B<-fade>. 611Fade the text by the given percentage when focus is lost; option B<-fade>.
595 612
896pressed. If unset it will send the sequence traditionally associated 913pressed. If unset it will send the sequence traditionally associated
897with the B<Execute> key. 914with the B<Execute> key.
898 915
899=item B<cutchars:> I<string> 916=item B<cutchars:> I<string>
900 917
901The characters used as delimiters for double-click word selection. The 918The characters used as delimiters for double-click word selection
902built-in default: 919(whitespace delimiting is added automatically if resource is given).
920
921When the selection extension is in use (the default if compiled in, see
922the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these characters
923will be created (if the resource exists, otherwise, no regex will be
924created). In this mode, characters outside ISO-8859-1 can be used.
925
926When the selection extension is not used, only ISO-8859-1 characters can
927be used. If not specified, the built-in default is used:
903 928
904B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 929B<< BACKSLASH `"'&()*,;<=>?@[]{|} >>
905 930
906=item B<preeditType:> I<style> 931=item B<preeditType:> I<style>
907 932
1004C<\000>: octal number) or verbatim control characters (C<^?>: delete, 1029C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1005C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it 1030C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1006can start or end with whitespace. 1031can start or end with whitespace.
1007 1032
1008Please note that you need to double the C<\> in resource files, as 1033Please note that you need to double the C<\> in resource files, as
1009Xlib itself does it's own de-escaping (you can use C<\033> instead of 1034Xlib itself does its own de-escaping (you can use C<\033> instead of
1010C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own 1035C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1011processing). 1036processing).
1012 1037
1013You can define a range of keysyms in one shot by providing a I<string> 1038You can define a range of keysyms in one shot by providing a I<string>
1014with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/' 1039with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/'
1249This mode lets you input characters representing the keycap symbols of 1274This mode lets you input characters representing the keycap symbols of
1250your keyboard, if representable in the current locale encoding. 1275your keyboard, if representable in the current locale encoding.
1251 1276
1252Start by pressing C<Control> and C<Shift> together, then releasing 1277Start by pressing C<Control> and C<Shift> together, then releasing
1253them. The next special key (cursor keys, home etc.) you enter will not 1278them. The next special key (cursor keys, home etc.) you enter will not
1254invoke it's usual function but instead will insert the corresponding 1279invoke its usual function but instead will insert the corresponding
1255keycap symbol. The symbol will only be entered when the key has been 1280keycap symbol. The symbol will only be entered when the key has been
1256released, otherwise pressing e.g. C<Shift> would enter the symbol for 1281released, otherwise pressing e.g. C<Shift> would enter the symbol for
1257C<ISO Level 2 Switch>, although your intention might have been to enter a 1282C<ISO Level 2 Switch>, although your intention might have been to enter a
1258reverse tab (Shift-Tab). 1283reverse tab (Shift-Tab).
1259 1284
1292=head1 COLORS AND GRAPHICS 1317=head1 COLORS AND GRAPHICS
1293 1318
1294In addition to the default foreground and background colours, 1319In addition to the default foreground and background colours,
1295B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1320B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus
1296high-intensity bold/blink versions of the same). Here is a list of the 1321high-intensity bold/blink versions of the same). Here is a list of the
1297colours with their B<rgb.txt> names. 1322colours with their names.
1298 1323
1299=begin table 1324=begin table
1300 1325
1301 B<color0> (black) = Black 1326 B<color0> (black) = Black
1302 B<color1> (red) = Red3 1327 B<color1> (red) = Red3
1322It is also possible to specify the colour values of B<foreground>, 1347It is also possible to specify the colour values of B<foreground>,
1323B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1348B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1324a number 0-15, as a convenient shorthand to reference the colour name of 1349a number 0-15, as a convenient shorthand to reference the colour name of
1325color0-color15. 1350color0-color15.
1326 1351
1352In addition to the colours defined above, @@RXVT_NAME@@ offers an
1353additional 72 colours. The first 64 of those (with indices 16 to 79)
1354consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
135516>), followed by 8 additional shades of gray (with indices 80 to 87).
1356
1357Together, all those colours implement the 88 colour xterm colours. Only
1358the first 16 can be changed using resources currently, the rest can only
1359be changed via command sequences ("escape codes").
1360
1327Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1361Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1328always swapping the foreground/background colours. This is in contrast to 1362always swapping the foreground/background colours. This is in contrast to
1329I<xterm>(1) where the colours are only swapped if they have not otherwise 1363I<xterm>(1) where the colours are only swapped if they have not otherwise
1330been specified. For example, 1364been specified. For example,
1331 1365
1335 1369
1336would yield White on Black, while on I<xterm>(1) it would yield Black 1370would yield White on Black, while on I<xterm>(1) it would yield Black
1337on White. 1371on White.
1338 1372
1339=back 1373=back
1374
1375=head2 ALPHA CHANNEL SUPPORT
1376
1377If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1378their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa>
1379(recommended, but B<MUST> have 4 digits/component) colour specifications,
1380in addition to the ones provided by X, where the additional A component
1381specifies opacity (alpha) values. The minimum value of C<0> is completely
1382transparent). You can also prefix any color with C<[a]>, where C<a> is on
1383to four hex digits specifiying the opacity value.
1384
1385You probably need to specify B<"-depth 32">, too, and have the luck that
1386your X-server uses ARGB pixel layout, as X is far from just supporting
1387ARGB visuals out of the box, and rxvt-unicode just fudges around.
1388
1389For example, the following selects an almost completely transparent red
1390background, and an almost opaque pink foreground:
1391
1392 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/2222 -fg "[e]pink"
1393
1394I<Please note that transparency of any kind if completely unsupported by
1395the author. Don't bug him with installation questions!>
1340 1396
1341=head1 ENVIRONMENT 1397=head1 ENVIRONMENT
1342 1398
1343B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1399B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1344 1400
1377C<--with-terminfo=PATH>. 1433C<--with-terminfo=PATH>.
1378 1434
1379=item B<DISPLAY> 1435=item B<DISPLAY>
1380 1436
1381Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1437Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1382display in it's child processes. 1438display in its child processes.
1383 1439
1384=item B<SHELL> 1440=item B<SHELL>
1385 1441
1386The shell to be used for command execution, defaults to C</bin/sh>. 1442The shell to be used for command execution, defaults to C</bin/sh>.
1387 1443
1429 1485
1430=item Project Coordinator 1486=item Project Coordinator
1431 1487
1432Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >> 1488Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
1433 1489
1434L<http://software.schmorp.de/#rxvt-unicode> 1490L<http://software.schmorp.de/pkg/rxvt-unicode.html>
1435 1491
1436=back 1492=back
1437 1493
1438=head1 AUTHORS 1494=head1 AUTHORS
1439 1495

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