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Revision 1.35 by root, Wed Dec 15 00:53:23 2004 UTC vs.
Revision 1.206 by sf-exg, Sun Nov 20 10:58:58 2011 UTC

12emulator intended as an I<xterm>(1) replacement for users who do not 12emulator intended as an I<xterm>(1) replacement for users who do not
13require features such as Tektronix 4014 emulation and toolkit-style 13require features such as Tektronix 4014 emulation and toolkit-style
14configurability. As a result, B<rxvt-unicode> uses much less swap space -- 14configurability. As a result, B<rxvt-unicode> uses much less swap space --
15a significant advantage on a machine serving many X sessions. 15a significant advantage on a machine serving many X sessions.
16 16
17This document is also available on the World-Wide-Web at
18L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod>.
19
17=head1 FREQUENTLY ASKED QUESTIONS 20=head1 FREQUENTLY ASKED QUESTIONS
18 21
19See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of frequently 22See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of
20asked questions and answer to them and some common problems. 23frequently asked questions and answer to them and some common
24problems. That document is also accessible on the World-Wide-Web at
25L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.
21 26
22=head1 RXVT-UNICODE VS. RXVT 27=head1 RXVT-UNICODE VS. RXVT
23 28
24Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode 29Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode
25internally. That means it can store and display most scripts in the 30internally. That means it can store and display most scripts in the
26world. Being a terminal emulator, however, some things are very difficult, 31world. Being a terminal emulator, however, some things are very difficult,
27especially cursive scripts such as arabic, vertically written scripts 32especially cursive scripts such as arabic, vertically written scripts
28like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
29like tibetan or devenagari. Don't expect pretty output when using these 34like tibetan or devanagari. Don't expect pretty output when using these
30scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 35scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
31fine, though. A somewhat difficult case are left-to-right scripts, such 36fine, though. A somewhat difficult case are right-to-left scripts, such
32as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 37as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
33belong into the application, not the terminal emulator (too many things -- 38belong in the application, not the terminal emulator (too many things --
34such as cursor-movement while editing -- break otherwise), but that might 39such as cursor-movement while editing -- break otherwise), but that might
35change. 40change.
36 41
37If you are looking for a terminal that supports more exotic scripts, let 42If you are looking for a terminal that supports more exotic scripts, let
38me recommend C<mlterm>, which is a very userfriendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
39terminal emulator. In fact, the reason rxvt-unicode was born was solely 44terminal emulator. In fact, the reason rxvt-unicode was born was solely
40because the author couldn't get C<mlterm> to use one font for latin1 and 45because the author couldn't get C<mlterm> to use one font for latin1 and
41another for japanese. 46another for japanese.
42 47
43Therefore another design rationale was the use of multiple fonts to 48Therefore another design rationale was the use of multiple fonts to
44display characters: The idea of a single unicode font which many other 49display characters: The idea of a single unicode font which many other
45programs force onto it's users never made sense to me: You should be able 50programs force onto its users never made sense to me: You should be able
46to choose any font for any script freely. 51to choose any font for any script freely.
47 52
48Apart from that, rxvt-unicode is also much better internationalised than 53Apart from that, rxvt-unicode is also much better internationalised than
49it's predecessor, supports things such as XFT and ISO 14755 that are handy 54its predecessor, supports things such as XFT and ISO 14755 that are handy
50in i18n-environments, is faster, and has a lot less bugs than the original 55in i18n-environments, is faster, and has a lot bugs less than the original
51rxvt. This all in addition to dozens of other small improvements. 56rxvt. This all in addition to dozens of other small improvements.
52 57
53It is still faithfully following the original rxvt idea of being lean 58It is still faithfully following the original rxvt idea of being lean
54and nice on resources: for example, you can still configure rxvt-unicode 59and nice on resources: for example, you can still configure rxvt-unicode
55without most of it's features to get a lean binary. It also comes with 60without most of its features to get a lean binary. It also comes with
56a client/daemon pair that lets you open any number of terminal windows 61a client/daemon pair that lets you open any number of terminal windows
57from within a single process, which makes startup time very fast and 62from within a single process, which makes startup time very fast and
58drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and 63drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and
59@@RXVT_NAME@@c(1) (client). 64@@RXVT_NAME@@c(1) (client).
60 65
61It also makes technical information about escape sequences (which have 66It also makes technical information about escape sequences (which have
62been extended) easier accessible: see @@RXVT_NAME@@(7) for technical 67been extended) more accessible: see @@RXVT_NAME@@(7) for technical
63reference documentation (escape sequences etc.). 68reference documentation (escape sequences etc.).
64 69
65=head1 OPTIONS 70=head1 OPTIONS
66 71
67The B<@@RXVT_NAME@@> options (mostly a subset of I<xterm>'s) are listed 72The B<@@RXVT_NAME@@> options (mostly a subset of I<xterm>'s) are listed
87 92
88Print out a message describing available options. 93Print out a message describing available options.
89 94
90=item B<-display> I<displayname> 95=item B<-display> I<displayname>
91 96
92Attempt to open a window on the named X display (B<-d> still 97Attempt to open a window on the named X display (the older form B<-d>
93respected). In the absence of this option, the display specified by the 98is still respected. but deprecated). In the absence of this option, the
94B<DISPLAY> environment variable is used. 99display specified by the B<DISPLAY> environment variable is used.
100
101=item B<-depth> I<bitdepth>
102
103Compile I<xft>: Attempt to find a visual with the given bit depth;
104resource B<depth>.
105
106[Please note that many X servers (and libXft) are buggy with
107respect to C<-depth 32> and/or alpha channels, and will cause all sorts
108of graphical corruption. This is harmless, but we can't do anything about
109this, so watch out]
95 110
96=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
97 112
98Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
99 114
101 116
102Turn on/off simulated reverse video; resource B<reverseVideo>. 117Turn on/off simulated reverse video; resource B<reverseVideo>.
103 118
104=item B<-j>|B<+j> 119=item B<-j>|B<+j>
105 120
106Turn on/off jump scrolling; resource B<jumpScroll>. 121Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
107 122
108=item B<-ip>|B<+ip> 123=item B<-ss>|B<+ss>
109 124
110Turn on/off inheriting parent window's pixmap. Alternative form is 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
111B<-tr>; resource B<inheritPixmap>. 126
127=item B<-tr>|B<+tr>
128
129Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
130
131B<-ip> is still accepted as an obsolete alias but will be removed in
132future versions.
112 133
113=item B<-fade> I<number> 134=item B<-fade> I<number>
114 135
115Fade the text by the given percentage when focus is lost. 136Fade the text by the given percentage when focus is lost. Small values
137fade a little only, 100 completely replaces all colours by the fade
138colour; resource B<fading>.
139
140=item B<-fadecolor> I<colour>
141
142Fade to this colour when fading is used (see B<-fade>). The default colour
143is opaque black. resource B<fadeColor>.
116 144
117=item B<-tint> I<colour> 145=item B<-tint> I<colour>
118 146
119Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
120transparency is enabled with B<-tr> or B<-ip>. See also the B<-sh> 148resource I<tintColor>.
121option that can be used to brighten or darken the image in addition to
122tinting it.
123 149
124=item B<-sh> 150=item B<-sh> I<number>
125 151
126I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
127background image in addition to tinting it (i.e. B<-tint> must be 153A value of 100 means no shading; resource I<shading>.
128specified, too). 154
155=item B<-blt> I<string>
156
157Specify background blending type. If background pixmap is specified
158at the same time as transparency - such pixmap will be blended over
159the transparent background, using the method specified. Supported values are:
160B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
162B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
163alpha-blending. Compile I<afterimage>; resource I<blendType>.
164
165=item B<-blr> I<HxV>
166
167Apply Gaussian Blur with the specified radii to the transparent
168background. If a single number is specified - both vertical and
169horizontal radii are considered to be the same. Setting one of the
170radii to 1 and another to a large number creates interesting effects
171on some backgrounds. Maximum radius value is 128;
172resource I<blurRadius>.
173
174=item B<-icon> I<file>
175
176Compile I<afterimage> or I<pixbuf>: Use the specified image as application icon. This
177is used by many window managers, taskbars and pagers to represent the
178application window; resource I<iconFile>.
129 179
130=item B<-bg> I<colour> 180=item B<-bg> I<colour>
131 181
132Window background colour; resource B<background>. 182Window background colour; resource B<background>.
133 183
134=item B<-fg> I<colour> 184=item B<-fg> I<colour>
135 185
136Window foreground colour; resource B<foreground>. 186Window foreground colour; resource B<foreground>.
137 187
138=item B<-pixmap> I<file[;geom]> 188=item B<-pixmap> I<file[;oplist]>
139 189
140Compile I<XPM>: Specify XPM file for the background and also optionally 190Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
141specify its scaling with a geometry string. Note you may need to add 191optionally specify a list of operations to modify it. Note you may need to
142quotes to avoid special shell interpretation of the `;' in the 192add quotes to avoid special shell interpretation of the C<;> in the
143command-line; resource B<backgroundPixmap>. 193command-line; for more details see resource B<backgroundPixmap>.
144 194
145=item B<-cr> I<colour> 195=item B<-cr> I<colour>
146 196
147The cursor colour; resource B<cursorColor>. 197The cursor colour; resource B<cursorColor>.
148 198
160resource B<borderColor>. 210resource B<borderColor>.
161 211
162=item B<-fn> I<fontlist> 212=item B<-fn> I<fontlist>
163 213
164Select the fonts to be used. This is a comma separated list of font names 214Select the fonts to be used. This is a comma separated list of font names
165that are used in turn when trying to display Unicode characters. The 215that are checked in order when trying to find glyphs for characters. The
166first font defines the cell size for characters; other fonts might be 216first font defines the cell size for characters; other fonts might be
167smaller, but not (in general) larger. A (hopefully) reasonable default 217smaller, but not (in general) larger. A (hopefully) reasonable default
168font list is always appended to it. See resource B<font> for more details. 218font list is always appended to it. See resource B<font> for more details.
169 219
170In short, to specify an X11 core font, just specify it's name or prefix it 220In short, to specify an X11 core font, just specify its name or prefix it
171with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>, 221with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>,
172e.g.: 222e.g.:
173 223
174 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15" 224 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
175 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono" 225 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono"
177See also the question "How does rxvt-unicode choose fonts?" in the FAQ 227See also the question "How does rxvt-unicode choose fonts?" in the FAQ
178section of @@RXVT_NAME@@(7). 228section of @@RXVT_NAME@@(7).
179 229
180=item B<-fb> I<fontlist> 230=item B<-fb> I<fontlist>
181 231
182Compile font-styles: The bold font list to use when bold characters are to 232Compile I<font-styles>: The bold font list to use when B<bold> characters
183be printed. See resource B<boldFont> for details. 233are to be printed. See resource B<boldFont> for details.
184 234
185=item B<-fi> I<fontlist> 235=item B<-fi> I<fontlist>
186 236
187Compile font-styles: The italic font list to use when bold characters are to 237Compile I<font-styles>: The italic font list to use when I<italic>
188be printed. See resource B<italicFont> for details. 238characters are to be printed. See resource B<italicFont> for details.
189 239
190=item B<-fbi> I<fontlist> 240=item B<-fbi> I<fontlist>
191 241
192Compile font-styles: The bold italic font list to use when bold characters are to 242Compile I<font-styles>: The bold italic font list to use when B<< I<bold
193be printed. See resource B<boldItalicFont> for details. 243italic> >> characters are to be printed. See resource B<boldItalicFont>
244for details.
245
246=item B<-is>|B<+is>
247
248Compile I<font-styles>: Bold/Blink font styles imply high intensity
249foreground/background (default). See resource B<intensityStyles> for
250details.
194 251
195=item B<-name> I<name> 252=item B<-name> I<name>
196 253
197Specify the application name under which resources are to be obtained, 254Specify the application name under which resources are to be obtained,
198rather than the default executable file name. Name should not contain 255rather than the default executable file name. Name should not contain
214 271
215=item B<-sb>|B<+sb> 272=item B<-sb>|B<+sb>
216 273
217Turn on/off scrollbar; resource B<scrollBar>. 274Turn on/off scrollbar; resource B<scrollBar>.
218 275
276=item B<-sr>|B<+sr>
277
278Put scrollbar on right/left; resource B<scrollBar_right>.
279
280=item B<-st>|B<+st>
281
282Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
283resource B<scrollBar_floating>.
284
219=item B<-si>|B<+si> 285=item B<-si>|B<+si>
220 286
221Turn on/off scroll-to-bottom on TTY output inhibit; resource 287Turn on/off scroll-to-bottom on TTY output inhibit; resource
222B<scrollTtyOutput> has opposite effect. 288B<scrollTtyOutput> has opposite effect.
223 289
229=item B<-sw>|B<+sw> 295=item B<-sw>|B<+sw>
230 296
231Turn on/off scrolling with the scrollback buffer as new lines appear. 297Turn on/off scrolling with the scrollback buffer as new lines appear.
232This only takes effect if B<-si> is also given; resource 298This only takes effect if B<-si> is also given; resource
233B<scrollWithBuffer>. 299B<scrollWithBuffer>.
234
235=item B<-sr>|B<+sr>
236
237Put scrollbar on right/left; resource B<scrollBar_right>.
238
239=item B<-st>|B<+st>
240
241Display normal (non XTerm/NeXT) scrollbar without/with a trough;
242resource B<scrollBar_floating>.
243 300
244=item B<-ptab>|B<+ptab> 301=item B<-ptab>|B<+ptab>
245 302
246If enabled (default), "Horizontal Tab" characters are being stored as 303If enabled (default), "Horizontal Tab" characters are being stored as
247actual wide characters in the screen buffer, which makes it possible to 304actual wide characters in the screen buffer, which makes it possible to
251 308
252=item B<-bc>|B<+bc> 309=item B<-bc>|B<+bc>
253 310
254Blink the cursor; resource B<cursorBlink>. 311Blink the cursor; resource B<cursorBlink>.
255 312
313=item B<-uc>|B<+uc>
314
315Make the cursor underlined; resource B<cursorUnderline>.
316
256=item B<-iconic> 317=item B<-iconic>
257 318
258Start iconified, if the window manager supports that option. 319Start iconified, if the window manager supports that option.
259Alternative form is B<-ic>. 320Alternative form is B<-ic>.
260 321
276 337
277=item B<-bl> 338=item B<-bl>
278 339
279Compile I<frills>: Set MWM hints to request a borderless window, i.e. 340Compile I<frills>: Set MWM hints to request a borderless window, i.e.
280if honoured by the WM, the rxvt-unicode window will not have window 341if honoured by the WM, the rxvt-unicode window will not have window
281decorations; resource B<borderLess>. 342decorations; resource B<borderLess>. If the window manager does not
343support MWM hints (e.g. kwin), enables override-redirect mode.
344
345=item B<-override-redirect>
346
347Compile I<frills>: Sets override-redirect on the window; resource
348B<override-redirect>.
349
350=item B<-sbg>
351
352Compile I<frills>: Disable the usage of the built-in block graphics/line
353drawing characters and just rely on what the specified fonts provide. Use
354this if you have a good font and want to use its block graphic glyphs;
355resource B<skipBuiltinGlyphs>.
282 356
283=item B<-lsp> I<number> 357=item B<-lsp> I<number>
284 358
285Compile I<linespace>: Lines (pixel height) to insert between each row 359Compile I<frills>: Lines (pixel height) to insert between each row of
286of the display; resource B<linespace>. 360the display. Useful to work around font rendering problems; resource
361B<lineSpace>.
362
363=item B<-letsp> I<number>
364
365Compile I<frills>: Amount to adjust the computed character width by
366to control overall letter spacing. Negative values will tighten up the
367letter spacing, positive values will space letters out more. Useful to
368work around odd font metrics; resource B<letterSpace>.
287 369
288=item B<-tn> I<termname> 370=item B<-tn> I<termname>
289 371
290This option specifies the name of the terminal type to be set in the 372This option specifies the name of the terminal type to be set in the
291B<TERM> environment variable. This terminal type must exist in the 373B<TERM> environment variable. This terminal type must exist in the
300given on the command line. If this option is used, it must be the last 382given on the command line. If this option is used, it must be the last
301on the command-line. If there is no B<-e> option then the default is to 383on the command-line. If there is no B<-e> option then the default is to
302run the program specified by the B<SHELL> environment variable or, 384run the program specified by the B<SHELL> environment variable or,
303failing that, I<sh(1)>. 385failing that, I<sh(1)>.
304 386
387Please note that you must specify a program with arguments. If you want to
388run shell commands, you have to specify the shell, like this:
389
390 @@RXVT_NAME@@ -e sh -c "shell commands"
391
305=item B<-title> I<text> 392=item B<-title> I<text>
306 393
307Window title (B<-T> still respected); the default title is the basename 394Window title (B<-T> still respected); the default title is the basename
308of the program specified after the B<-e> option, if any, otherwise the 395of the program specified after the B<-e> option, if any, otherwise the
309application name; resource B<title>. 396application name; resource B<title>.
327 414
328Compile I<XIM>: input method name. resource B<inputMethod>. 415Compile I<XIM>: input method name. resource B<inputMethod>.
329 416
330=item B<-imlocale> I<string> 417=item B<-imlocale> I<string>
331 418
332The locale to use for opening the IM. You can use an LC_CTYPE of e.g. 419The locale to use for opening the IM. You can use an C<LC_CTYPE> of e.g.
333de_DE.UTF-8 for normal text processing but ja_JP.EUC-JP for the input 420C<de_DE.UTF-8> for normal text processing but C<ja_JP.EUC-JP> for the
334extension to be able to input japanese characters while staying in 421input extension to be able to input japanese characters while staying in
335another locale. 422another locale. resource B<imLocale>.
423
424=item B<-imfont> I<fontset>
425
426Set the font set to use for the X Input Method, see resource B<imFont>
427for more info.
428
429=item B<-tcw>
430
431Change the meaning of triple-click selection with the left mouse
432button. Only effective when the original (non-perl) selection code is
433in-use. Instead of selecting a full line it will extend the selection to
434the end of the logical line only. resource B<tripleclickwords>.
336 435
337=item B<-insecure> 436=item B<-insecure>
338 437
339Enable "insecure" mode, which currently enables most of the escape 438Enable "insecure" mode, which currently enables most of the escape
340sequences that echo strings. See the resource B<insecure> for more 439sequences that echo strings. See the resource B<insecure> for more
354=item B<-ssr>|B<+ssr> 453=item B<-ssr>|B<+ssr>
355 454
356Turn on/off secondary screen scroll (default enabled); resource 455Turn on/off secondary screen scroll (default enabled); resource
357B<secondaryScroll>. 456B<secondaryScroll>.
358 457
458=item B<-hold>|B<+hold>
459
460Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
461will not immediately destroy its window when the program executed within
462it exits. Instead, it will wait till it is being killed or closed by the
463user; resource B<hold>.
464
465=item B<-cd> I<path>
466
467Sets the working directory for the shell (or the command specified via
468B<-e>). The I<path> must be an absolute path and it must exist for
469@@RXVT_NAME@@ to start; resource B<chdir>.
470
359=item B<-xrm> I<resourcestring> 471=item B<-xrm> I<string>
360 472
361No effect on rxvt-unicode. Simply passes through an argument to be made 473Works like the X Toolkit option of the same name, by adding the I<string>
362available in the instance's argument list. Appears in I<WM_COMMAND> in 474as if it were specified in a resource file. Resource values specified this
363some window managers. 475way take precedence over all other resource specifications.
476
477Note that you need to use the I<same> syntax as in the .Xdefaults file,
478e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
479options can be specified as long-options on the commandline, so use
480of B<-xrm> is mostly limited to cases where you want to specify other
481resources (e.g. for input methods) or for compatibility with other
482programs.
483
484=item B<-keysym.>I<sym> I<string>
485
486Remap a key symbol. See resource B<keysym>.
487
488=item B<-embed> I<windowid>
489
490Tells @@RXVT_NAME@@ to embed its windows into an already-existing window,
491which enables applications to easily embed a terminal.
492
493Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it
494shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it
495quite a bit, so don't expect it to keep some specific state. It's best to
496create an extra subwindow for @@RXVT_NAME@@ and leave it alone.
497
498The window will not be destroyed when @@RXVT_NAME@@ exits.
499
500It might be useful to know that @@RXVT_NAME@@ will not close file
501descriptors passed to it (except for stdin/out/err, of course), so you
502can use file descriptors to communicate with the programs within the
503terminal. This works regardless of whether the C<-embed> option was used or
504not.
505
506Here is a short Gtk2-perl snippet that illustrates how this option can be
507used (a longer example is in F<doc/embed>):
508
509 my $rxvt = new Gtk2::Socket;
510 $rxvt->signal_connect_after (realize => sub {
511 my $xid = $_[0]->window->get_xid;
512 system "@@RXVT_NAME@@ -embed $xid &";
513 });
514
515=item B<-pty-fd> I<file descriptor>
516
517Tells @@RXVT_NAME@@ NOT to execute any commands or create a new pty/tty
518pair but instead use the given file descriptor as the tty master. This is
519useful if you want to drive @@RXVT_NAME@@ as a generic terminal emulator
520without having to run a program within it.
521
522If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
523entries and will not tinker with pty/tty permissions - you have to do that
524yourself if you want that.
525
526As an extremely special case, specifying C<-1> will completely suppress
527pty/tty operations, which is probably only useful in conjunction with some
528perl extension that manages the terminal.
529
530Here is a example in perl that illustrates how this option can be used (a
531longer example is in F<doc/pty-fd>):
532
533 use IO::Pty;
534 use Fcntl;
535
536 my $pty = new IO::Pty;
537 fcntl $pty, F_SETFD, 0; # clear close-on-exec
538 system "@@RXVT_NAME@@ -pty-fd " . (fileno $pty) . "&";
539 close $pty;
540
541 # now communicate with rxvt
542 my $slave = $pty->slave;
543 while (<$slave>) { print $slave "got <$_>\n" }
544
545=item B<-pe> I<string>
546
547Comma-separated list of perl extension scripts to use (or not to use) in
548this terminal instance. See resource B<perl-ext> for details.
364 549
365=back 550=back
366 551
367=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
368 553
369Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
370options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
371 557
372There are two different methods that @@RXVT_NAME@@ can use to get the 558You can set and change the resources using X11 tools like B<xrdb>. Many
373Xresource data: using the X libraries (Xrm*-functions) or internal 559distribution do also load settings from the B<~/.Xresources> file when X
374Xresources reader (B<~/.Xdefaults>). For the first method (ie. 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
375B<@@RXVT_NAME@@ -h> lists B<XGetDefaults>), you can set and change the 561with later settings overwriting earlier ones:
376resources using X11 tools like B<xset>. Many distribution do also load
377settings from the B<~/.Xresources> file when X starts.
378 562
379If compiled with internal Xresources support (i.e. B<@@RXVT_NAME@@ -h> 563 1. app-defaults file in $XAPPLRESDIR
380lists B<.Xdefaults>) then B<@@RXVT_NAME@@> accepts application defaults 564 2. $HOME/.Xdefaults
381set in XAPPLOADDIR/URxvt (compile-time defined: usually 565 3. RESOURCE_MANAGER property on root-window of screen 0
382B</usr/lib/X11/app-defaults/URxvt>) and resources set in 566 4. SCREEN_RESOURCES property on root-window of the current screen
383B<~/.Xdefaults>, or B<~/.Xresources> if B<~/.Xdefaults> does not exist. 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
568 6. resources specified via -xrm on the commandline
569
384Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
385class names: B<XTerm> and B<URxvt>. The class name B<Rxvt> allows 571names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
386resources common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be 572common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
387easily configured, while the class name B<URxvt> allows resources 573configured, while the class name B<URxvt> allows resources unique to
388unique to B<@@RXVT_NAME@@>, notably colours and key-handling, to be 574B<@@RXVT_NAME@@>, to be shared between different B<@@RXVT_NAME@@>
389shared between different B<@@RXVT_NAME@@> configurations. If no 575configurations. If no resources are specified, suitable defaults will
390resources are specified, suitable defaults will be used. Command-line 576be used. Command-line arguments can be used to override resource
391arguments can be used to override resource settings. The following 577settings. The following resources are supported (you might want to
392resources are allowed: 578check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl
579extensions not documented here):
393 580
394=over 4 581=over 4
582
583=item B<depth:> I<bitdepth>
584
585Compile I<xft>: Attempt to find a visual with the given bit depth;
586option B<-depth>.
587
588=item B<buffered:> I<boolean>
589
590Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
591On some card/driver combination enabling it slightly decreases
592performance, on most it greatly helps it. The slowdown is small, so it
593should normally be enabled.
395 594
396=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
397 596
398Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
399option B<-geometry>. 598option B<-geometry>.
413Use the specified colour for the colour value I<n>, where 0-7 612Use the specified colour for the colour value I<n>, where 0-7
414corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
415high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
416colours. The canonical names are as follows: 0=black, 1=red, 2=green, 615colours. The canonical names are as follows: 0=black, 1=red, 2=green,
4173=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6163=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
418names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
419 618
420Colours higher than 15 cannot be set using resources (yet), but can be 619Colours higher than 15 cannot be set using resources (yet), but can be
421changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
422 621
423Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 622Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
427 626
428=item B<colorIT:> I<colour> 627=item B<colorIT:> I<colour>
429 628
430Use the specified colour to display bold or italic characters when the 629Use the specified colour to display bold or italic characters when the
431foreground colour is the default. If font styles are not available 630foreground colour is the default. If font styles are not available
432(Compile styles) and this option is unset, reverse video is used instead. 631(Compile I<styles>) and this option is unset, reverse video is used instead.
433 632
434=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
435 634
436Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
437foreground colour is the default. 636foreground colour is the default.
438 637
439=item B<colorRV:> I<colour>
440
441Use the specified colour as the background for reverse video
442characters.
443
444=item B<underlineColor:> I<colour> 638=item B<underlineColor:> I<colour>
445 639
446If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
447itself. If unset, use the foreground colour. 641itself. If unset, use the foreground colour.
642
643=item B<highlightColor:> I<colour>
644
645If set, use the specified colour as the background for highlighted
646characters. If unset, use reverse video.
647
648=item B<highlightTextColor:> I<colour>
649
650If set and highlightColor is set, use the specified colour as the
651foreground for highlighted characters.
448 652
449=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
450 654
451Use the specified colour for the cursor. The default is to use the 655Use the specified colour for the cursor. The default is to use the
452foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
459 663
460=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
461 665
462B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
463option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
464B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
465 669
466=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
467 671
468B<True>: specify that jump scrolling should be used. When scrolling 672B<True>: specify that jump scrolling should be used. When receiving lots
469quickly, fewer screen updates are performed [default]; option B<-j>. 673of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
674has been read, resulting in fewer updates while still displaying every
675received line; option B<-j>.
676
470B<False>: specify that smooth scrolling should be used; option B<+j>. 677B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
678force a screen refresh on each new line it received; option B<+j>.
471 679
472=item B<inheritPixmap:> I<boolean> 680=item B<skipScroll:> I<boolean>
473 681
474B<True>: make the background inherit the parent windows' pixmap, giving 682B<True>: (the default) specify that skip scrolling should be used. When
475artificial transparency. B<False>: do not inherit the parent windows' 683receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
476pixmap. 684(around 60 times per second), resulting in far fewer updates. This can
685result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
686option B<-ss>.
687
688B<False>: specify that everything is to be displayed, even
689if the refresh is too fast for the human eye to read anything (or the
690monitor to display anything); option B<+ss>.
691
692=item B<transparent:> I<boolean>
693
694Turn on/off pseudo-transparency by using the root pixmap as background.
695
696B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
697future versions.
477 698
478=item B<fading:> I<number> 699=item B<fading:> I<number>
479 700
480Fade the text by the given percentage when focus is lost. 701Fade the text by the given percentage when focus is lost; option B<-fade>.
702
703=item B<fadeColor:> I<colour>
704
705Fade to this colour, when fading is used (see B<fading:>). The default
706colour is black; option B<-fadecolor>.
481 707
482=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
483 709
484Tint the transparent background pixmap with the given colour. 710Tint the transparent background with the given colour. If the RENDER
711extension is not available only black, red, green, yellow, blue,
712magenta, cyan and white tints can be performed server-side. Note that
713a black tint yields a completely black image while a white tint yields
714the image unchanged; option B<-tint>.
485 715
486=item B<shading:> I<number> 716=item B<shading:> I<number>
487 717
488Darken (0 .. 100) or lighten (-1 .. -100) the transparent background 718Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
489image in addition to tinting it. 719A value of 100 means no shading; option B<-sh>.
720
721=item B<blendType:> I<string>
722
723Specify background blending type; option B<-blt>.
724
725=item B<blurRadius:> I<number>
726
727Apply gaussian blur with the specified radius to the transparent
728background; option B<-blr>.
729
730=item B<iconFile:> I<file>
731
732Set the application icon pixmap; option B<-icon>.
490 733
491=item B<scrollColor:> I<colour> 734=item B<scrollColor:> I<colour>
492 735
493Use the specified colour for the scrollbar [default #B2B2B2]. 736Use the specified colour for the scrollbar [default #B2B2B2].
494 737
495=item B<troughColor:> I<colour> 738=item B<troughColor:> I<colour>
496 739
497Use the specified colour for the scrollbar's trough area [default 740Use the specified colour for the scrollbar's trough area [default
498#969696]. Only relevant for normal (non XTerm/NeXT) scrollbar. 741#969696]. Only relevant for rxvt (non XTerm/NeXT) scrollbar.
499 742
500=item B<borderColor:> I<colour> 743=item B<borderColor:> I<colour>
501 744
502The colour of the border around the text area and between the scrollbar 745The colour of the border around the text area and between the scrollbar
503and the text. 746and the text.
504 747
505=item B<backgroundPixmap:> I<file[;geom]> 748=item B<backgroundPixmap:> I<file[;oplist]>
506 749
507Use the specified XPM file (note the `.xpm' extension is optional) for 750Use the specified image file for the background and also
508the background and also optionally specify its scaling with a geometry 751optionally specify a colon separated list of operations to modify it.
509string B<WxH+X+Y>, in which B<"W" / "H"> specify the 752Supported operations are:
510horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image
511centre (percent). A scale of 0 displays the image with tiling. A scale
512of 1 displays the image without any scaling. A scale of 2 to 9
513specifies an integer number of images in that direction. No image will
514be magnified beyond 10 times its original size. The maximum permitted
515scale is 1000. [default 0x0+50+50]
516 753
517=item B<menu:> I<file[;tag]> 754=over 4
518 755
519Read in the specified menu file (note the `.menu' extension is 756=item B<WxH+X+Y>
520optional) and also optionally specify a starting tag to find. See the 757
521reference documentation for details on the syntax for the menuBar. 758sets scale and position. B<"W" / "H"> specify the horizontal/vertical
759scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
760scale of 0 disables scaling. The maximum permitted scale is 1000.
761
762=item B<op=tile>
763
764enables tiling
765
766=item B<op=pscale>
767
768enables proportional scaling
769
770=item B<op=root>
771
772use the position of the terminal window relative to the root window as
773the image offset, simulating a root window background
774
775=back
776
777The default scale and position setting is C<100x100+50+50>.
778Alternatively, a predefined set of templates can be used to achieve
779the most common setups:
780
781=over 4
782
783=item B<style=tiled>
784
785the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
786
787=item B<style=aspect-stretched>
788
789the image is scaled to fill the whole window maintaining the aspect
790ratio and centered. Equivalent to 100x100+50+50:op=pscale
791
792=item B<style=stretched>
793
794the image is scaled to fill the whole window. Equivalent to 100x100
795
796=item B<style=centered>
797
798the image is centered with no scaling. Equivalent to 0x0+50+50
799
800=item B<style=root-tiled>
801
802the image is tiled with no scaling and using 'root' positioning.
803Equivalent to 0x0:op=tile:op=root
804
805=back
806
807If multiple templates are specified the last one wins. Note that a
808template overrides all the scale, position and operations settings.
809
810If used in conjunction with B<-tr> option, the specified pixmap will be
811blended over the transparent background using alpha-blending. If I<afterimage>
812support has been compiled in it is possible to choose other blending
813types with B<-blt "type"> option.
522 814
523=item B<path:> I<path> 815=item B<path:> I<path>
524 816
525Specify the colon-delimited search path for finding files (XPM and 817Specify the colon-delimited search path for finding background image files.
526menus), in addition to the paths specified by the B<RXVTPATH> and
527B<PATH> environment variables.
528 818
529=item B<font:> I<fontlist> 819=item B<font:> I<fontlist>
530 820
531Select the fonts to be used. This is a comma separated list of font 821Select the fonts to be used. This is a comma separated list of font names
532names that are used in turn when trying to display Unicode characters. 822that are checked in order when trying to find glyphs for characters. The
533The first font defines the cell size for characters; other fonts might 823first font defines the cell size for characters; other fonts might be
534be smaller, but not larger. A reasonable default font list is always 824smaller, but not (in general) larger. A (hopefully) reasonable default
535appended to it. option B<-fn>. 825font list is always appended to it; option B<-fn>.
536 826
537Each font can either be a standard X11 core font (XLFD) name, with 827Each font can either be a standard X11 core font (XLFD) name, with
538optional prefix C<x:> or a Xft font (Compile xft), prefixed with C<xft:>. 828optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>.
539 829
540In addition, each font can be prefixed with additional hints and 830In addition, each font can be prefixed with additional hints and
541specifications enclosed in square brackets (C<[]>). The only available 831specifications enclosed in square brackets (C<[]>). The only available
542hint currently is C<codeset=codeset-name>, and this is only used for Xft 832hint currently is C<codeset=codeset-name>, and this is only used for Xft
543fonts. 833fonts.
544 834
545For example, this font resource 835For example, this font resource
546 836
547 URxvt*font: 9x15bold,\ 837 URxvt.font: 9x15bold,\
548 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\ 838 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\
549 -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \ 839 -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \
550 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \ 840 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \
551 xft:Code2000:antialias=false 841 xft:Code2000:antialias=false
552 842
555it is named first) and thus defines the character cell grid to be 9 pixels 845it is named first) and thus defines the character cell grid to be 9 pixels
556wide and 15 pixels high. 846wide and 15 pixels high.
557 847
558The second font is just used to add additional unicode characters not in 848The second font is just used to add additional unicode characters not in
559the base font, likewise the third, which is unfortunately non-bold, but 849the base font, likewise the third, which is unfortunately non-bold, but
560the bold version of the font does contain less characters, so this is a 850the bold version of the font does contain fewer characters, so this is a
561useful supplement. 851useful supplement.
562 852
563The third font is an Xft font with aliasing turned off, and the characters 853The third font is an Xft font with aliasing turned off, and the characters
564are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 854are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
565contains other characters, but we are not interested in them. 855contains other characters, but we are not interested in them.
586not possible, replacement fonts of the desired shape will be tried. 876not possible, replacement fonts of the desired shape will be tried.
587 877
588If set, but empty, then this specific style is disabled and the normal 878If set, but empty, then this specific style is disabled and the normal
589text font will being used for the given style. 879text font will being used for the given style.
590 880
591=item B<selectstyle:> I<mode> 881=item B<intensityStyles:> I<boolean>
592 882
593Set mouse selection style to B<old> which is 2.20, B<oldword> which is 883When font styles are not enabled, or this option is enabled (B<True>,
594xterm style with 2.20 old word selection, or anything else which gives 884option B<-is>, the default), bold/blink font styles imply high
595xterm style selection. 885intensity foreground/background colours. Disabling this option (B<False>,
596 886option B<+is>) disables this behaviour, the high intensity colours are not
597=item B<scrollstyle:> I<mode> 887reachable.
598
599Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
600the author's favourite..
601 888
602=item B<title:> I<string> 889=item B<title:> I<string>
603 890
604Set window title string, the default title is the command-line 891Set window title string, the default title is the command-line
605specified after the B<-e> option, if any, otherwise the application 892specified after the B<-e> option, if any, otherwise the application
614=item B<mapAlert:> I<boolean> 901=item B<mapAlert:> I<boolean>
615 902
616B<True>: de-iconify (map) on receipt of a bell character. B<False>: no 903B<True>: de-iconify (map) on receipt of a bell character. B<False>: no
617de-iconify (map) on receipt of a bell character [default]. 904de-iconify (map) on receipt of a bell character [default].
618 905
906=item B<urgentOnBell:> I<boolean>
907
908B<True>: set the urgency hint for the wm on receipt of a bell character.
909B<False>: do not set the urgency hint [default].
910
911@@RXVT_NAME@@ resets the urgency hint on every focus change.
912
619=item B<visualBell:> I<boolean> 913=item B<visualBell:> I<boolean>
620 914
621B<True>: use visual bell on receipt of a bell character; option B<-vb>. 915B<True>: use visual bell on receipt of a bell character; option B<-vb>.
622B<False>: no visual bell [default]; option B<+vb>. 916B<False>: no visual bell [default]; option B<+vb>.
623 917
637 931
638Specify a command pipe for vt100 printer [default I<lpr(1)>]. Use 932Specify a command pipe for vt100 printer [default I<lpr(1)>]. Use
639B<Print> to initiate a screen dump to the printer and B<Ctrl-Print> or 933B<Print> to initiate a screen dump to the printer and B<Ctrl-Print> or
640B<Shift-Print> to include the scrollback as well. 934B<Shift-Print> to include the scrollback as well.
641 935
936The string will be interpreted as if typed into the shell as-is.
937
938Example:
939
940 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
941
942This creates a new file in your home directory with the screen contents
943every time you hit C<Print>.
944
945=item B<scrollstyle:> I<mode>
946
947Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
948the author's favourite.
949
950=item B<thickness:> I<number>
951
952Set the scrollbar width in pixels.
953
642=item B<scrollBar:> I<boolean> 954=item B<scrollBar:> I<boolean>
643 955
644B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 956B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
645disable the scrollbar; option B<+sb>. 957disable the scrollbar; option B<+sb>.
646 958
665B<False>: do not scroll to bottom when tty receives output; option 977B<False>: do not scroll to bottom when tty receives output; option
666B<+si>. 978B<+si>.
667 979
668=item B<scrollWithBuffer:> I<boolean> 980=item B<scrollWithBuffer:> I<boolean>
669 981
670B<True>: scroll with scrollback buffer when tty receives new lines (and 982B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
671B<scrollTtyOutput> is False); option B<+sw>. B<False>: do not scroll 983try to show the same lines) and B<scrollTtyOutput> is False; option
672with scrollback buffer when tty recieves new lines; option B<-sw>. 984B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
985new lines; option B<+sw>.
673 986
674=item B<scrollTtyKeypress:> I<boolean> 987=item B<scrollTtyKeypress:> I<boolean>
675 988
676B<True>: scroll to bottom when a non-special key is pressed. Special keys 989B<True>: scroll to bottom when a non-special key is pressed. Special keys
677are those which are intercepted by rxvt-unicode for special handling and 990are those which are intercepted by rxvt-unicode for special handling and
696=item B<borderLess:> I<boolean> 1009=item B<borderLess:> I<boolean>
697 1010
698Set MWM hints to request a borderless window, i.e. if honoured by the 1011Set MWM hints to request a borderless window, i.e. if honoured by the
699WM, the rxvt-unicode window will not have window decorations; option B<-bl>. 1012WM, the rxvt-unicode window will not have window decorations; option B<-bl>.
700 1013
1014=item B<skipBuiltinGlyphs:> I<boolean>
1015
1016Compile I<frills>: Disable the usage of the built-in block graphics/line
1017drawing characters and just rely on what the specified fonts provide. Use
1018this if you have a good font and want to use its block graphic glyphs;
1019option B<-sbg>.
1020
701=item B<termName:> I<termname> 1021=item B<termName:> I<termname>
702 1022
703Specifies the terminal type name to be set in the B<TERM> environment 1023Specifies the terminal type name to be set in the B<TERM> environment
704variable; option B<-tn>. 1024variable; option B<-tn>.
705 1025
706=item B<linespace:> I<number> 1026=item B<lineSpace:> I<number>
707 1027
708Specifies number of lines (pixel height) to insert between each row of 1028Specifies number of lines (pixel height) to insert between each row of
709the display [default 0]; option B<-lsp>. 1029the display [default 0]; option B<-lsp>.
710 1030
711=item B<meta8:> I<boolean> 1031=item B<meta8:> I<boolean>
725 1045
726=item B<cursorBlink:> I<boolean> 1046=item B<cursorBlink:> I<boolean>
727 1047
728B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1048B<True>: blink the cursor. B<False>: do not blink the cursor [default];
729option B<-bc>. 1049option B<-bc>.
1050
1051=item B<cursorUnderline:> I<boolean>
1052
1053B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1054option B<-uc>.
730 1055
731=item B<pointerBlank:> I<boolean> 1056=item B<pointerBlank:> I<boolean>
732 1057
733B<True>: blank the pointer when a key is pressed or after a set number 1058B<True>: blank the pointer when a key is pressed or after a set number
734of seconds of inactivity. B<False>: the pointer is always visible 1059of seconds of inactivity. B<False>: the pointer is always visible
742 1067
743Mouse pointer background colour. 1068Mouse pointer background colour.
744 1069
745=item B<pointerBlankDelay:> I<number> 1070=item B<pointerBlankDelay:> I<number>
746 1071
747Specifies number of seconds before blanking the pointer [default 2]. 1072Specifies number of seconds before blanking the pointer [default 2]. Use a
1073large number (e.g. C<987654321>) to effectively disable the timeout.
748 1074
749=item B<backspacekey:> I<string> 1075=item B<backspacekey:> I<string>
750 1076
751The string to send when the backspace key is pressed. If set to B<DEC> 1077The string to send when the backspace key is pressed. If set to B<DEC>
752or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1078or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
753(code 8) - which can be reversed with the appropriate DEC private mode 1079(code 8) - which can be reversed with the appropriate DEC private mode
754escape sequence. 1080escape sequence.
755 1081
756=item B<deletekey:> I<string> 1082=item B<deletekey:> I<string>
757 1083
759pressed. If unset it will send the sequence traditionally associated 1085pressed. If unset it will send the sequence traditionally associated
760with the B<Execute> key. 1086with the B<Execute> key.
761 1087
762=item B<cutchars:> I<string> 1088=item B<cutchars:> I<string>
763 1089
764The characters used as delimiters for double-click word selection. The 1090The characters used as delimiters for double-click word selection
765built-in default: 1091(whitespace delimiting is added automatically if resource is given).
766 1092
1093When the perl selection extension is in use (the default if compiled
1094in, see the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these
1095characters will be created (if the resource exists, otherwise, no regex
1096will be created). In this mode, characters outside ISO-8859-1 can be used.
1097
1098When the selection extension is not used, only ISO-8859-1 characters can
1099be used. If not specified, the built-in default is used:
1100
767B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1101B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
768 1102
769=item B<preeditType:> I<style> 1103=item B<preeditType:> I<style>
770 1104
771B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1105B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
772 1106
774 1108
775I<name> of inputMethod to use; option B<-im>. 1109I<name> of inputMethod to use; option B<-im>.
776 1110
777=item B<imLocale:> I<name> 1111=item B<imLocale:> I<name>
778 1112
779The locale to use for opening the IM. You can use an LC_CTYPE of e.g. 1113The locale to use for opening the IM. You can use an C<LC_CTYPE> of e.g.
780de_DE.UTF-8 for normal text processing but ja_JP.EUC-JP for the input 1114C<de_DE.UTF-8> for normal text processing but C<ja_JP.EUC-JP> for the
781extension to be able to input japanese characters while staying in 1115input extension to be able to input japanese characters while staying in
782another locale. option B<-imlocale>. 1116another locale; option B<-imlocale>.
1117
1118=item B<imFont:> I<fontset>
1119
1120Specify the font-set used for XIM styles C<OverTheSpot> or
1121C<OffTheSpot>. It must be a standard X font set (XLFD patterns separated
1122by commas), i.e. it's not in the same format as the other font lists used
1123in @@RXVT_NAME@@. The default will be set-up to chose *any* suitable found
1124found, preferably one or two pixels differing in size to the base font.
1125option B<-imfont>.
1126
1127=item B<tripleclickwords:> I<boolean>
1128
1129Change the meaning of triple-click selection with the left mouse
1130button. Instead of selecting a full line it will extend the selection to
1131the end of the logical line only; option B<-tcw>.
783 1132
784=item B<insecure:> I<boolean> 1133=item B<insecure:> I<boolean>
785 1134
786Enables "insecure" mode. Rxvt-unicode offers some escape sequences that 1135Enables "insecure" mode. Rxvt-unicode offers some escape sequences that
787echo arbitrary strings like the icon name or the locale. This could be 1136echo arbitrary strings like the icon name or the locale. This could be
788abused if somebody gets 8-bit-clean access to your display, whether 1137abused if somebody gets 8-bit-clean access to your display, whether
789throuh a mail client displaying mail bodies unfiltered or though 1138through a mail client displaying mail bodies unfiltered or through
790write(1). Therefore, these sequences are disabled by default. (Note 1139write(1) or any other means. Therefore, these sequences are disabled by
791that other terminals, including xterm, have these sequences 1140default. (Note that many other terminals, including xterm, have these
792enabled by default). You can enable them by setting this boolean 1141sequences enabled by default, which doesn't make it safer, though).
793resource or specifying B<-insecure> as an option. At the moment, this 1142
794enabled display-answer, locale, findfont, icon label and window title 1143You can enable them by setting this boolean resource or specifying
795requests as well as dynamic menubar dispatch. 1144B<-insecure> as an option. At the moment, this enables display-answer,
1145locale, findfont, icon label and window title requests.
796 1146
797=item B<modifier:> I<modifier> 1147=item B<modifier:> I<modifier>
798 1148
799Set the key to be interpreted as the Meta key to: B<alt>, B<meta>, 1149Set the key to be interpreted as the Meta key to: B<alt>, B<meta>,
800B<hyper>, B<super>, B<mod1>, B<mod2>, B<mod3>, B<mod4>, B<mod5>; option 1150B<hyper>, B<super>, B<mod1>, B<mod2>, B<mod3>, B<mod4>, B<mod5>; option
804 1154
805Specify the reply rxvt-unicode sends to the shell when an ENQ (control-E) 1155Specify the reply rxvt-unicode sends to the shell when an ENQ (control-E)
806character is passed through. It may contain escape values as described 1156character is passed through. It may contain escape values as described
807in the entry on B<keysym> following. 1157in the entry on B<keysym> following.
808 1158
809=item B<secondaryScreen:> I<bool> 1159=item B<secondaryScreen:> I<boolean>
810 1160
811Turn on/off secondary screen (default enabled). 1161Turn on/off secondary screen (default enabled).
812 1162
813=item B<secondaryScroll:> I<bool> 1163=item B<secondaryScroll:> I<boolean>
814 1164
815Turn on/off secondary screen scroll (default enabled). If the this 1165Turn on/off secondary screen scroll (default enabled). If this
816option is enabled, scrolls on the secondary screen will change the 1166option is enabled, scrolls on the secondary screen will change the
817scrollback buffer and switching to/from the secondary screen will 1167scrollback buffer and, when secondaryScreen is off, switching
818instead scroll the screen up. 1168to/from the secondary screen will instead scroll the screen up.
1169
1170=item B<hold>: I<boolean>
1171
1172Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1173will not immediately destroy its window when the program executed within
1174it exits. Instead, it will wait till it is being killed or closed by the
1175user.
1176
1177=item B<chdir>: I<path>
1178
1179Sets the working directory for the shell (or the command specified via
1180B<-e>). The I<path> must be an absolute path and it must exist for
1181@@RXVT_NAME@@ to start. If it isn't specified then the current working
1182directory will be used; option B<-cd>.
819 1183
820=item B<keysym.>I<sym>: I<string> 1184=item B<keysym.>I<sym>: I<string>
821 1185
822Associate I<string> with keysym I<sym> (B<0xFF00 - 0xFFFF>). It may 1186Compile I<frills>: Associate I<string> with keysym I<sym>. The
823contain escape values (\a: bell, \b: backspace, \e, \E: escape, \n:
824newline, \r: return, \t:
825tab, \000: octal number) or control characters (^?: delete, ^@: null,
826^A ...) and may enclosed with double quotes so that it can start or end
827with whitespace. The intervening resource name B<keysym.> cannot be 1187intervening resource name B<keysym.> cannot be omitted.
828omitted. This resource is only available when compiled with 1188
829KEYSYM_RESOURCE. 1189The format of I<sym> is "I<(modifiers-)key>", where I<modifiers> can be
1190any combination of B<ISOLevel3>, B<AppKeypad>, B<Control>, B<NumLock>,
1191B<Shift>, B<Meta>, B<Lock>, B<Mod1>, B<Mod2>, B<Mod3>, B<Mod4>, B<Mod5>,
1192and the abbreviated B<I>, B<K>, B<C>, B<N>, B<S>, B<M>, B<A>, B<L>, B<1>,
1193B<2>, B<3>, B<4>, B<5>.
1194
1195The B<NumLock>, B<Meta> and B<ISOLevel3> modifiers are usually aliased to
1196whatever modifier the NumLock key, Meta/Alt keys or ISO Level3 Shift/AltGr
1197keys are being mapped. B<AppKeypad> is a synthetic modifier mapped to the
1198current application keymap mode state.
1199
1200The spellings of I<key> can be obtained by using B<xev>(1) command or
1201searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1202omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1203keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1204performed in an exact manner; however, the closest match is assured.
1205
1206I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1207number), see RESOURCES in C<man 7 X> for further details.
1208
1209You can define a range of keysyms in one shot by providing a I<string>
1210with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1211should be a character not used by the strings.
1212
1213Its usage can be demonstrated by an example:
1214
1215 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1216
1217The above line is equivalent to the following three lines:
1218
1219 URxvt.keysym.Meta-Control-0x61: \033<a>
1220 URxvt.keysym.Meta-Control-0x62: \033<b>
1221 URxvt.keysym.Meta-Control-0x63: \033<c>
1222
1223If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1224is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1225example the following means "change the current locale to C<zh_CN.GBK>
1226when Control-Meta-c is being pressed":
1227
1228 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1229
1230If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1231is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1232manpage. For example, the F<selection> extension (activated via
1233C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1234
1235 URxvt.keysym.M-C-c: perl:selection:rot13
1236
1237Due the the large number of modifier combinations, a defined key mapping
1238will match if I<at least> the specified identifiers are being set, and
1239no other key mappings with those and more bits are being defined. That
1240means that defining a key map for C<a> will automatically provide
1241definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1242mappings themselves.
1243
1244Unfortunately, this will override built-in key mappings. For example
1245if you overwrite the C<Insert> key you will disable @@RXVT_NAME@@'s
1246C<Shift-Insert> mapping. To re-enable that, you can poke "holes" into the
1247user-defined keymap using the C<builtin:> replacement:
1248
1249 URxvt.keysym.Insert: <my insert key sequence>
1250 URxvt.keysym.S-Insert: builtin:
1251
1252The first line defines a mapping for C<Insert> and I<any> combination
1253of modifiers. The second line re-establishes the default mapping for
1254C<Shift-Insert>.
1255
1256The following example will map Control-Meta-1 and Control-Meta-2 to
1257the fonts C<suxuseuro> and C<9x15bold>, so you can have some limited
1258font-switching at runtime:
1259
1260 URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007
1261 URxvt.keysym.M-C-2: command:\033]50;9x15bold\007
1262
1263Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more
1264info):
1265
1266 URxvt.keysym.M-C-3: command:\033[8;25;80t
1267 URxvt.keysym.M-C-4: command:\033[8;48;110t
1268
1269=item B<perl-ext-common>: I<string>
1270
1271=item B<perl-ext>: I<string>
1272
1273Comma-separated list(s) of perl extension scripts (default: C<default>) to
1274use in this terminal instance; option B<-pe>.
1275
1276Extension names can be prefixed with a C<-> sign to prohibit using
1277them. This can be useful to selectively disable some extensions loaded
1278by default, or specified via the C<perl-ext-common> resource. For
1279example, C<default,-selection> will use all the default extension except
1280C<selection>.
1281
1282Extension names can also be followed by an argument in angle brackets
1283(e.g. C<< searchable-scrollback<M-s> >>, which binds the hotkey for
1284searchable scrollback to Alt/Meta-s). Mentioning the same extension
1285multiple times with different arguments will pass multiple arguments to
1286the extension.
1287
1288Each extension is looked up in the library directories, loaded if
1289necessary, and bound to the current terminal instance.
1290
1291If both of these resources are the empty string, then the perl
1292interpreter will not be initialized. The idea behind two options is that
1293B<perl-ext-common> will be used for extensions that should be available to
1294all instances, while B<perl-ext> is used for specific instances.
1295
1296=item B<perl-eval>: I<string>
1297
1298Perl code to be evaluated when all extensions have been registered. See
1299the @@RXVT_NAME@@perl(3) manpage.
1300
1301=item B<perl-lib>: I<path>
1302
1303Colon-separated list of additional directories that hold extension
1304scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1305look in these directories, then in $HOME/.urxvt/ext and lastly in
1306F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1307
1308See the @@RXVT_NAME@@perl(3) manpage.
1309
1310=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1311
1312Additional selection patterns, see the @@RXVT_NAME@@perl(3) manpage for
1313details.
1314
1315=item B<< selection-autotransform.I<idx> >>: I<perl-transform>
1316
1317Selection auto-transform patterns, see the @@RXVT_NAME@@perl(3) manpage
1318for details.
1319
1320=item B<searchable-scrollback:> I<keysym>
1321
1322Sets the hotkey that starts the incremental scrollback buffer search
1323(default: C<M-s>).
1324
1325=item B<urlLauncher>: I<string>
1326
1327Specifies the program to be started with a URL argument. Used by the
1328C<selection-popup> and C<matcher> perl extensions.
1329
1330=item B<transient-for>: I<windowid>
1331
1332Compile I<frills>: Sets the WM_TRANSIENT_FOR property to the given window id.
1333
1334=item B<override-redirect>: I<boolean>
1335
1336Compile I<frills>: Sets override-redirect for the terminal window, making
1337it almost invisible to window managers; option B<-override-redirect>.
1338
1339=item B<iso14755:> I<boolean>
1340
1341Turn on/off ISO 14755 (default enabled).
1342
1343=item B<iso14755_52:> I<boolean>
1344
1345Turn on/off ISO 14755 5.2 mode (default enabled).
830 1346
831=back 1347=back
832 1348
833=head1 THE SCROLLBAR 1349=head1 THE SCROLLBAR
834 1350
848the normal text selection/insertion, hold either the Shift or the Meta 1364the normal text selection/insertion, hold either the Shift or the Meta
849(Alt) key while performing the desired mouse action. 1365(Alt) key while performing the desired mouse action.
850 1366
851If mouse reporting mode is active, the normal scrollbar actions are 1367If mouse reporting mode is active, the normal scrollbar actions are
852disabled -- on the assumption that we are using a fullscreen 1368disabled -- on the assumption that we are using a fullscreen
853application. Instead, pressing Button1 and Button3 sends B<ESC[6~> 1369application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
854(Next) and B<ESC[5~> (Prior), respectively. Similarly, clicking on the 1370(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
855up and down arrows sends B<ESC[A> (Up) and B<ESC[B> (Down), 1371up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down),
856respectively. 1372respectively.
857 1373
858=head1 TEXT SELECTION AND INSERTION 1374=head1 THE SELECTION: SELECTING AND PASTING TEXT
859 1375
860The behaviour of text selection and insertion mechanism is similar to 1376The behaviour of text selection and insertion/pasting mechanism is similar
861I<xterm>(1). 1377to I<xterm>(1).
862 1378
863=over 4 1379=over 4
864 1380
865=item B<Selection>: 1381=item B<Selecting>:
866 1382
867Left click at the beginning of the region, drag to the end of the 1383Left click at the beginning of the region, drag to the end of the region
868region and release; Right click to extend the marked region; Left 1384and release; Right click to extend the marked region; Left double-click
869double-click to select a word; Left triple-click to select the entire 1385to select a word; Left triple-click to select the entire logical line
870line. 1386(which can span multiple screen lines), unless modified by resource
1387B<tripleclickwords>.
871 1388
872Starting a selection while pressing the B<Meta> key (or B<Meta+Ctrl> keys) 1389Starting a selection while pressing the B<Meta> key (or B<Meta+Ctrl> keys)
873(Compile: frills) will create a rectangular selection instead of a normal 1390(Compile: I<frills>) will create a rectangular selection instead of a
874one. 1391normal one. In this mode, every selected row becomes its own line in the
1392selection, and trailing whitespace is visually underlined and removed from
1393the selection.
875 1394
876=item B<Insertion>: 1395=item B<Pasting>:
877 1396
878Pressing and releasing the Middle mouse button (or B<Shift-Insert>) in 1397Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
879an B<@@RXVT_NAME@@> window causes the current text selection to be 1398window causes the value of the PRIMARY selection (or CLIPBOARD with the
880inserted as if it had been typed on the keyboard. 1399B<Meta> modifier) to be inserted as if it had been typed on the keyboard.
1400
1401Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
1402inserted too.
881 1403
882=back 1404=back
883 1405
884=head1 CHANGING FONTS 1406=head1 CHANGING FONTS
885 1407
886Changing fonts (or font sizes, respectively) via the keypad is not yet 1408Changing fonts (or font sizes, respectively) via the keypad is not yet
887supported in rxvt-unicode. Bug me if you need this. 1409supported in rxvt-unicode. Bug me if you need this.
888 1410
889You can, however, switch fonts at runtime using escape sequences (and 1411You can, however, switch fonts at runtime using escape sequences, e.g.:
890therefore using the menubar), e.g.:
891 1412
892 printf '\e]701;%s\007' "9x15bold,xft:Kochi Gothic" 1413 printf '\e]710;%s\007' "9x15bold,xft:Kochi Gothic"
1414
1415You can use keyboard shortcuts, too:
1416
1417 URxvt.keysym.M-C-1: command:\033]710;suxuseuro\007\033]711;suxuseuro\007
1418 URxvt.keysym.M-C-2: command:\033]710;9x15bold\007\033]711;9x15bold\007
893 1419
894rxvt-unicode will automatically re-apply these fonts to the output so far. 1420rxvt-unicode will automatically re-apply these fonts to the output so far.
895 1421
896=head1 ISO 14755 SUPPORT 1422=head1 ISO 14755 SUPPORT
897 1423
898ISO 14755 is a standard for entering and viewing unicode characters 1424ISO 14755 is a standard for entering and viewing unicode characters
899and character codes using the keyboard. It consists of 4 parts. The 1425and character codes using the keyboard. It consists of 4 parts. The
900first part is available rxvt-unicode has been compiled with 1426first part is available if rxvt-unicode has been compiled with
901C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1427C<--enable-frills>, the rest is available when rxvt-unicode was compiled
902with C<--enable-iso14755>. 1428with C<--enable-iso14755>.
903 1429
904=over 4 1430=over 4
905 1431
906=item 5.1: Basic method 1432=item * 5.1: Basic method
907 1433
908This allows you to enter unicode characters using their hexcode. 1434This allows you to enter unicode characters using their hexcode.
909 1435
910Start by pressing and holding both C<Control> and C<Shift>, then enter 1436Start by pressing and holding both C<Control> and C<Shift>, then enter
911hex-digits (between one and six). Releasing C<Control> and C<Shift> will 1437hex-digits (between one and six). Releasing C<Control> and C<Shift> will
918address, which you cannot type. Fortunately, the card has the e-mail 1444address, which you cannot type. Fortunately, the card has the e-mail
919address printed as hexcodes, e.g. C<671d 65e5>. You can enter this easily 1445address printed as hexcodes, e.g. C<671d 65e5>. You can enter this easily
920by pressing C<Control> and C<Shift>, followed by C<6-7-1-D-SPACE-6-5-E-5>, 1446by pressing C<Control> and C<Shift>, followed by C<6-7-1-D-SPACE-6-5-E-5>,
921followed by releasing the modifier keys. 1447followed by releasing the modifier keys.
922 1448
923=item 5.2: Keyboard symbols entry method 1449=item * 5.2: Keyboard symbols entry method
924 1450
925This mode lets you input characters representing the keycap symbols of 1451This mode lets you input characters representing the keycap symbols of
926your keyboard, if representable in the current locale encoding. 1452your keyboard, if representable in the current locale encoding.
927 1453
928Start by pressing C<Control> and C<Shift> together, then releasing 1454Start by pressing C<Control> and C<Shift> together, then releasing
929them. The next special key (cursor keys, home etc.) you enter will not 1455them. The next special key (cursor keys, home etc.) you enter will not
930invoke it's usual function but instead will insert the corresponding 1456invoke its usual function but instead will insert the corresponding
931keycap symbol. The symbol will only be entered when the key has been 1457keycap symbol. The symbol will only be entered when the key has been
932released, otherwise pressing e.g. C<Shift> would enter the symbol for 1458released, otherwise pressing e.g. C<Shift> would enter the symbol for
933C<ISO Level 2 Switch>, although your intention might have been to enter a 1459C<ISO Level 2 Switch>, although your intention might have been to enter a
934reverse tab (Shift-Tab). 1460reverse tab (Shift-Tab).
935 1461
936=item 5.3: Screen-selection entry method 1462=item * 5.3: Screen-selection entry method
937 1463
938While this is implemented already (it's basically the selection 1464While this is implemented already (it's basically the selection
939mechanism), it could be extended by displaying a unicode character map. 1465mechanism), it could be extended by displaying a unicode character map.
940 1466
941=item 5.4: Feedback method for identifying displayed characters for later input 1467=item * 5.4: Feedback method for identifying displayed characters for later input
942 1468
943This method lets you display the unicode character code associated with 1469This method lets you display the unicode character code associated with
944characters already displayed. 1470characters already displayed.
945 1471
946You enter this mode by holding down C<Control> and C<Shift> together, then 1472You enter this mode by holding down C<Control> and C<Shift> together, then
958With respect to conformance, rxvt-unicode is supposed to be compliant to 1484With respect to conformance, rxvt-unicode is supposed to be compliant to
959both scenario A and B of ISO 14755, including part 5.2. 1485both scenario A and B of ISO 14755, including part 5.2.
960 1486
961=head1 LOGIN STAMP 1487=head1 LOGIN STAMP
962 1488
963B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so 1489B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
964that it can be seen via the I<who(1)> command, and can accept messages. 1490it can be seen via the I<who(1)> command, and can accept messages. To
965To allow this feature, B<@@RXVT_NAME@@> must be installed setuid root on 1491allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
966some systems. 1492on some systems or setgid to root or to some other group on others.
967 1493
968=head1 COLORS AND GRAPHICS 1494=head1 COLOURS AND GRAPHICS
969 1495
970In addition to the default foreground and background colours, 1496In addition to the default foreground and background colours,
971B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1497B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
972high-intensity bold/blink versions of the same). Here is a list of the 1498high-intensity (potentially bold/blink) versions of the same, and 72 (or
973colours with their B<rgb.txt> names. 1499240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1500cube plus a 8 (24) colour greyscale ramp.
1501
1502Here is a list of the ANSI colours with their names.
974 1503
975=begin table 1504=begin table
976 1505
977 B<color0> (black) = Black 1506 B<color0> (black) = Black
978 B<color1> (red) = Red3 1507 B<color1> (red) = Red3
998It is also possible to specify the colour values of B<foreground>, 1527It is also possible to specify the colour values of B<foreground>,
999B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1528B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1000a number 0-15, as a convenient shorthand to reference the colour name of 1529a number 0-15, as a convenient shorthand to reference the colour name of
1001color0-color15. 1530color0-color15.
1002 1531
1532The following text gives values for the standard 88 colour mode (and
1533values for the 256 colour mode in parentheses).
1534
1535The RGB cube uses indices 16..79 (16..231) using the following formulas:
1536
1537 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1538 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1539
1540The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1541steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1542the RGB cube.
1543
1544Together, all those colours implement the 88 (256) colour xterm
1545colours. Only the first 16 can be changed using resources currently, the
1546rest can only be changed via command sequences ("escape codes").
1547
1548Applications are advised to use terminfo or command sequences to discover
1549number and RGB values of all colours (yes, you can query this...).
1550
1003Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1551Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1004always swapping the foreground/background colours. This is in contrast to 1552always swapping the foreground/background colours. This is in contrast to
1005I<xterm>(1) where the colours are only swapped if they have not otherwise 1553I<xterm>(1) where the colours are only swapped if they have not otherwise
1006been specified. For example, 1554been specified. For example,
1007 1555
1556 @@RXVT_NAME@@ -fg Black -bg White -rv
1557
1558would yield White on Black, while on I<xterm>(1) it would yield Black on
1559White.
1560
1561=head2 ALPHA CHANNEL SUPPORT
1562
1563If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1564their act together, rxvt-unicode will do it's own alpha channel management:
1565
1566You can prefix any colour with an opaqueness percentage enclosed in
1567brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1568(0-100) that specifies the opacity of the colour, where C<0> is completely
1569transparent and C<100> is completely opaque. For example, C<[50]red> is a
1570half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1571is the recommended format to specify transparency values, and works with
1572all ways to specify a colour.
1573
1574For complete control, rxvt-unicode also supports
1575C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1576specifications, where the additional C<aaaa> component specifies opacity
1577(alpha) values. The minimum value of C<0000> is completely transparent,
1578while C<ffff> is completely opaque). The two example colours from
1579earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1580C<rgba:0000/ff00/0000/f332>.
1581
1582You probably need to specify B<"-depth 32">, too, to force a visual with
1583alpha channels, and have the luck that your X-server uses ARGB pixel
1584layout, as X is far from just supporting ARGB visuals out of the box, and
1585rxvt-unicode just fudges around.
1586
1587For example, the following selects an almost completely transparent black
1588background, and an almost opaque pink foreground:
1589
1590 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1591
1592When not using a background image, then the interpretation of the
1593alpha channel is up to your compositing manager (most interpret it as
1594transparency of course).
1595
1596When using a background pixmap or pseudo-transparency, then the background
1597colour will always behave as if it were completely transparent (so the
1598background image shows instead), regardless of how it was specified, while
1599other colours will either be transparent as specified (the background
1600image will show through) on servers supporting the RENDER extension, or
1601fully opaque on servers not supporting the RENDER EXTENSION.
1602
1603Please note that due to bugs in Xft, specifying alpha values might result
1604in garbage being displayed when the X-server does not support the RENDER
1605extension.
1606
1607=head1 ENVIRONMENT
1608
1609B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1610
1008=over 4 1611=over 4
1009 1612
1010=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1613=item B<TERM>
1011 1614
1012would yield White on Black, while on I<xterm>(1) it would yield Black 1615Normally set to C<rxvt-unicode>, unless overwritten at configure time, via
1013on White. 1616resources or on the command line.
1617
1618=item B<COLORTERM>
1619
1620Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1621compiled with background image support, and optionally with the added
1622extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1623screen.
1624
1625=item B<COLORFGBG>
1626
1627Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1628the colour code used as default foreground/text colour (or the string
1629C<default> to indicate that the default-colour escape sequence is to be
1630used), C<bg> is the colour code used as default background colour (or the
1631string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1632was compiled with background image support. Libraries like C<ncurses>
1633and C<slang> can (and do) use this information to optimize screen output.
1634
1635=item B<WINDOWID>
1636
1637Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1638window, which usually has subwindows for the scrollbar, the terminal
1639window and so on).
1640
1641=item B<TERMINFO>
1642
1643Set to the terminfo directory iff @@RXVT_NAME@@ was configured with
1644C<--with-terminfo=PATH>.
1645
1646=item B<DISPLAY>
1647
1648Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1649display in its child processes if C<-display> isn't used to override. It
1650defaults to C<:0> if it doesn't exist.
1651
1652=item B<SHELL>
1653
1654The shell to be used for command execution, defaults to C</bin/sh>.
1655
1656=item B<RXVT_SOCKET>
1657
1658The unix domain socket path used by @@RXVT_NAME@@c(1) and
1659@@RXVT_NAME@@d(1).
1660
1661Default F<<< $HOME/.rxvt-unicode-I<< <nodename> >> >>>.
1662
1663=item B<HOME>
1664
1665Used to locate the default directory for the unix domain socket for
1666daemon communications and to locate various resource files (such as
1667C<.Xdefaults>)
1668
1669=item B<XAPPLRESDIR>
1670
1671Directory where application-specific X resource files are located.
1672
1673=item B<XENVIRONMENT>
1674
1675If set and accessible, gives the name of a X resource file to be loaded by
1676@@RXVT_NAME@@.
1014 1677
1015=back 1678=back
1016 1679
1017=head1 ENVIRONMENT
1018
1019B<@@RXVT_NAME@@> sets the environment variables B<TERM>, B<COLORTERM>
1020and B<COLORFGBG>. The environment variable B<WINDOWID> is set to the X
1021window id number of the B<@@RXVT_NAME@@> window and it also uses and
1022sets the environment variable B<DISPLAY> to specify which display
1023terminal to use. B<@@RXVT_NAME@@> uses the environment variables
1024B<RXVTPATH> and B<PATH> to find XPM files.
1025
1026=head1 FILES 1680=head1 FILES
1027 1681
1028=over 4 1682=over 4
1029 1683
1030=item B</etc/utmp>
1031
1032System file for login records.
1033
1034=item B</usr/lib/X11/rgb.txt> 1684=item B</usr/lib/X11/rgb.txt>
1035 1685
1036Color names. 1686Colour names.
1037 1687
1038=back 1688=back
1039 1689
1040=head1 SEE ALSO 1690=head1 SEE ALSO
1041 1691
1042@@RXVT_NAME@@(7), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5) 1692@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1), @@RXVT_NAME@@d(1), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5)
1043
1044=head1 BUGS
1045
1046Check the BUGS file for an up-to-date list.
1047
1048Cursor change support is not yet implemented.
1049
1050Click-and-drag doesn't work with X11 mouse report overriding.
1051 1693
1052=head1 CURRENT PROJECT COORDINATOR 1694=head1 CURRENT PROJECT COORDINATOR
1053 1695
1054=over 4 1696=over 4
1055 1697
1056=item Project Coordinator 1698=item Project Coordinator
1057 1699
1058@@RXVT_MAINT@@ L<@@RXVT_MAINTEMAIL@@> 1700Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
1059 1701
1060=item Web page maintainter 1702L<http://software.schmorp.de/pkg/rxvt-unicode.html>
1061
1062@@RXVT_WEBMAINT@@ L<@@RXVT_WEBMAINTEMAIL@@>
1063
1064L<@@RXVT_WEBPAGE@@>
1065 1703
1066=back 1704=back
1067 1705
1068=head1 AUTHORS 1706=head1 AUTHORS
1069 1707
1091 1729
1092Project Coordinator (changes.txt 2.21a to 2.4.5) 1730Project Coordinator (changes.txt 2.21a to 2.4.5)
1093 1731
1094=item Geoff Wing L<< <gcw@pobox.com> >> 1732=item Geoff Wing L<< <gcw@pobox.com> >>
1095 1733
1096Rewrote screen display and text selection routines. Project Coordinator 1734Rewrote screen display and text selection routines.
1735
1097(changes.txt 2.4.6 - rxvt-unicode) 1736Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1098 1737
1099=item Marc Alexander Lehmann L<< <rxvt@schmorp.de> >> 1738=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1100 1739
1101Forked rxvt-unicode, rewrote most of the display code and internal 1740Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1102character handling to store text in unicode, improve xterm 1741extension, random hacks, numerous bugfixes and extensions.
1103compatibility and apply numerous other bugfixes and extensions.
1104 1742
1105Project Coordinator (Changes 1.0 -) 1743Project Coordinator (Changes 1.0 -)
1106 1744
1745=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1746
1747pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1748
1107=back 1749=back
1108 1750

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