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Revision 1.57 by root, Mon Feb 14 18:50:57 2005 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 22See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of
20frequently asked questions and answer to them and some common 23frequently asked questions and answer to them and some common
21problems. That document is also accessible on the World-Wide-Web at 24problems. That document is also accessible on the World-Wide-Web at
22L<http://cvs.schmorp.de/browse/*checkout*/rxvt-unicode/doc/rxvt.7.html>. 25L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.
23 26
24=head1 RXVT-UNICODE VS. RXVT 27=head1 RXVT-UNICODE VS. RXVT
25 28
26Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode 29Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode
27internally. That means it can store and display most scripts in the 30internally. That means it can store and display most scripts in the
28world. Being a terminal emulator, however, some things are very difficult, 31world. Being a terminal emulator, however, some things are very difficult,
29especially cursive scripts such as arabic, vertically written scripts 32especially cursive scripts such as arabic, vertically written scripts
30like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devenagari. Don't expect pretty output when using these 34like tibetan or devanagari. Don't expect pretty output when using these
32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 35scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
33fine, though. A somewhat difficult case are left-to-right scripts, such 36fine, though. A somewhat difficult case are right-to-left scripts, such
34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 37as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
35belong into the application, not the terminal emulator (too many things -- 38belong in the application, not the terminal emulator (too many things --
36such as cursor-movement while editing -- break otherwise), but that might 39such as cursor-movement while editing -- break otherwise), but that might
37change. 40change.
38 41
39If 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
40me recommend C<mlterm>, which is a very userfriendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
41terminal emulator. In fact, the reason rxvt-unicode was born was solely 44terminal emulator. In fact, the reason rxvt-unicode was born was solely
42because 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
43another for japanese. 46another for japanese.
44 47
45Therefore another design rationale was the use of multiple fonts to 48Therefore another design rationale was the use of multiple fonts to
46display characters: The idea of a single unicode font which many other 49display 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 50programs force onto its users never made sense to me: You should be able
48to choose any font for any script freely. 51to choose any font for any script freely.
49 52
50Apart from that, rxvt-unicode is also much better internationalised than 53Apart from that, rxvt-unicode is also much better internationalised than
51it'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
52in 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
53rxvt. This all in addition to dozens of other small improvements. 56rxvt. This all in addition to dozens of other small improvements.
54 57
55It is still faithfully following the original rxvt idea of being lean 58It is still faithfully following the original rxvt idea of being lean
56and nice on resources: for example, you can still configure rxvt-unicode 59and 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 60without 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 61a client/daemon pair that lets you open any number of terminal windows
59from within a single process, which makes startup time very fast and 62from within a single process, which makes startup time very fast and
60drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and 63drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and
61@@RXVT_NAME@@c(1) (client). 64@@RXVT_NAME@@c(1) (client).
62 65
63It also makes technical information about escape sequences (which have 66It also makes technical information about escape sequences (which have
64been extended) easier accessible: see @@RXVT_NAME@@(7) for technical 67been extended) more accessible: see @@RXVT_NAME@@(7) for technical
65reference documentation (escape sequences etc.). 68reference documentation (escape sequences etc.).
66 69
67=head1 OPTIONS 70=head1 OPTIONS
68 71
69The 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
89 92
90Print out a message describing available options. 93Print out a message describing available options.
91 94
92=item B<-display> I<displayname> 95=item B<-display> I<displayname>
93 96
94Attempt 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>
95respected). In the absence of this option, the display specified by the 98is still respected. but deprecated). In the absence of this option, the
96B<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]
97 110
98=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
99 112
100Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
101 114
103 116
104Turn on/off simulated reverse video; resource B<reverseVideo>. 117Turn on/off simulated reverse video; resource B<reverseVideo>.
105 118
106=item B<-j>|B<+j> 119=item B<-j>|B<+j>
107 120
108Turn on/off jump scrolling; resource B<jumpScroll>. 121Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
109 122
110=item B<-ip>|B<+ip> 123=item B<-ss>|B<+ss>
111 124
112Turn on/off inheriting parent window's pixmap. Alternative form is 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
113B<-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.
114 133
115=item B<-fade> I<number> 134=item B<-fade> I<number>
116 135
117Fade the text by the given percentage when focus is lost. resource B<fading>. 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>.
118 144
119=item B<-tint> I<colour> 145=item B<-tint> I<colour>
120 146
121Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
122transparency is enabled with B<-tr> or B<-ip>. See also the B<-sh> 148resource I<tintColor>.
123option that can be used to brighten or darken the image in addition to
124tinting it.
125 149
126=item B<-sh> 150=item B<-sh> I<number>
127 151
128I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
129background image in addition to tinting it (i.e. B<-tint> must be 153A value of 100 means no shading; resource I<shading>.
130specified, too, e.g. C<-tint white>). 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>.
131 179
132=item B<-bg> I<colour> 180=item B<-bg> I<colour>
133 181
134Window background colour; resource B<background>. 182Window background colour; resource B<background>.
135 183
136=item B<-fg> I<colour> 184=item B<-fg> I<colour>
137 185
138Window foreground colour; resource B<foreground>. 186Window foreground colour; resource B<foreground>.
139 187
140=item B<-pixmap> I<file[;geom]> 188=item B<-pixmap> I<file[;oplist]>
141 189
142Compile 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
143specify its scaling with a geometry string. Note you may need to 191optionally specify a list of operations to modify it. Note you may need to
144add quotes to avoid special shell interpretation of the C<;> in the 192add quotes to avoid special shell interpretation of the C<;> in the
145command-line; resource B<backgroundPixmap>. 193command-line; for more details see resource B<backgroundPixmap>.
146 194
147=item B<-cr> I<colour> 195=item B<-cr> I<colour>
148 196
149The cursor colour; resource B<cursorColor>. 197The cursor colour; resource B<cursorColor>.
150 198
162resource B<borderColor>. 210resource B<borderColor>.
163 211
164=item B<-fn> I<fontlist> 212=item B<-fn> I<fontlist>
165 213
166Select 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
167that are used in turn when trying to display Unicode characters. The 215that are checked in order when trying to find glyphs for characters. The
168first font defines the cell size for characters; other fonts might be 216first font defines the cell size for characters; other fonts might be
169smaller, but not (in general) larger. A (hopefully) reasonable default 217smaller, but not (in general) larger. A (hopefully) reasonable default
170font 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.
171 219
172In 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
173with 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:>,
174e.g.: 222e.g.:
175 223
176 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15" 224 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
177 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono" 225 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono"
179See 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
180section of @@RXVT_NAME@@(7). 228section of @@RXVT_NAME@@(7).
181 229
182=item B<-fb> I<fontlist> 230=item B<-fb> I<fontlist>
183 231
184Compile 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
185be printed. See resource B<boldFont> for details. 233are to be printed. See resource B<boldFont> for details.
186 234
187=item B<-fi> I<fontlist> 235=item B<-fi> I<fontlist>
188 236
189Compile 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>
190be printed. See resource B<italicFont> for details. 238characters are to be printed. See resource B<italicFont> for details.
191 239
192=item B<-fbi> I<fontlist> 240=item B<-fbi> I<fontlist>
193 241
194Compile 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
195be 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.
196 251
197=item B<-name> I<name> 252=item B<-name> I<name>
198 253
199Specify the application name under which resources are to be obtained, 254Specify the application name under which resources are to be obtained,
200rather than the default executable file name. Name should not contain 255rather than the default executable file name. Name should not contain
216 271
217=item B<-sb>|B<+sb> 272=item B<-sb>|B<+sb>
218 273
219Turn on/off scrollbar; resource B<scrollBar>. 274Turn on/off scrollbar; resource B<scrollBar>.
220 275
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
221=item B<-si>|B<+si> 285=item B<-si>|B<+si>
222 286
223Turn on/off scroll-to-bottom on TTY output inhibit; resource 287Turn on/off scroll-to-bottom on TTY output inhibit; resource
224B<scrollTtyOutput> has opposite effect. 288B<scrollTtyOutput> has opposite effect.
225 289
231=item B<-sw>|B<+sw> 295=item B<-sw>|B<+sw>
232 296
233Turn on/off scrolling with the scrollback buffer as new lines appear. 297Turn on/off scrolling with the scrollback buffer as new lines appear.
234This only takes effect if B<-si> is also given; resource 298This only takes effect if B<-si> is also given; resource
235B<scrollWithBuffer>. 299B<scrollWithBuffer>.
236
237=item B<-sr>|B<+sr>
238
239Put scrollbar on right/left; resource B<scrollBar_right>.
240
241=item B<-st>|B<+st>
242
243Display normal (non XTerm/NeXT) scrollbar without/with a trough;
244resource B<scrollBar_floating>.
245 300
246=item B<-ptab>|B<+ptab> 301=item B<-ptab>|B<+ptab>
247 302
248If enabled (default), "Horizontal Tab" characters are being stored as 303If enabled (default), "Horizontal Tab" characters are being stored as
249actual wide characters in the screen buffer, which makes it possible to 304actual wide characters in the screen buffer, which makes it possible to
253 308
254=item B<-bc>|B<+bc> 309=item B<-bc>|B<+bc>
255 310
256Blink the cursor; resource B<cursorBlink>. 311Blink the cursor; resource B<cursorBlink>.
257 312
313=item B<-uc>|B<+uc>
314
315Make the cursor underlined; resource B<cursorUnderline>.
316
258=item B<-iconic> 317=item B<-iconic>
259 318
260Start iconified, if the window manager supports that option. 319Start iconified, if the window manager supports that option.
261Alternative form is B<-ic>. 320Alternative form is B<-ic>.
262 321
278 337
279=item B<-bl> 338=item B<-bl>
280 339
281Compile 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.
282if 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
283decorations; 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>.
284 356
285=item B<-lsp> I<number> 357=item B<-lsp> I<number>
286 358
287Compile I<frills>: Lines (pixel height) to insert between each row of 359Compile I<frills>: Lines (pixel height) to insert between each row of
288the display. Useful to work around font rendering problems; resource 360the display. Useful to work around font rendering problems; resource
289B<linespace>. 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>.
290 369
291=item B<-tn> I<termname> 370=item B<-tn> I<termname>
292 371
293This 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
294B<TERM> environment variable. This terminal type must exist in the 373B<TERM> environment variable. This terminal type must exist in the
303given 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
304on 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
305run the program specified by the B<SHELL> environment variable or, 384run the program specified by the B<SHELL> environment variable or,
306failing that, I<sh(1)>. 385failing that, I<sh(1)>.
307 386
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
308=item B<-title> I<text> 392=item B<-title> I<text>
309 393
310Window title (B<-T> still respected); the default title is the basename 394Window title (B<-T> still respected); the default title is the basename
311of 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
312application name; resource B<title>. 396application name; resource B<title>.
343for more info. 427for more info.
344 428
345=item B<-tcw> 429=item B<-tcw>
346 430
347Change the meaning of triple-click selection with the left mouse 431Change the meaning of triple-click selection with the left mouse
432button. Only effective when the original (non-perl) selection code is
348button. Instead of selecting a full line it will extend the selection the 433in-use. Instead of selecting a full line it will extend the selection to
349end of the logical line only. resource B<tripleclickwords>. 434the end of the logical line only. resource B<tripleclickwords>.
350 435
351=item B<-insecure> 436=item B<-insecure>
352 437
353Enable "insecure" mode, which currently enables most of the escape 438Enable "insecure" mode, which currently enables most of the escape
354sequences that echo strings. See the resource B<insecure> for more 439sequences that echo strings. See the resource B<insecure> for more
368=item B<-ssr>|B<+ssr> 453=item B<-ssr>|B<+ssr>
369 454
370Turn on/off secondary screen scroll (default enabled); resource 455Turn on/off secondary screen scroll (default enabled); resource
371B<secondaryScroll>. 456B<secondaryScroll>.
372 457
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
471=item B<-xrm> I<string>
472
473Works like the X Toolkit option of the same name, by adding the I<string>
474as if it were specified in a resource file. Resource values specified this
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
373=item B<-keysym.>I<sym>: I<string> 484=item B<-keysym.>I<sym> I<string>
374 485
375Remap a key symbol. See resource B<keysym>. 486Remap a key symbol. See resource B<keysym>.
376 487
377=item B<-embed>: I<windowid> 488=item B<-embed> I<windowid>
378 489
379Tells @@RXVT_NAME@@ to embed it's windows into an already-existing window, 490Tells @@RXVT_NAME@@ to embed its windows into an already-existing window,
380which enables applications to easily embed a terminal. 491which enables applications to easily embed a terminal.
381 492
382Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it 493Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it
383shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it 494shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it
384quite a bit, so don't expect it to keep some specific state. It's best to 495quite a bit, so don't expect it to keep some specific state. It's best to
387The window will not be destroyed when @@RXVT_NAME@@ exits. 498The window will not be destroyed when @@RXVT_NAME@@ exits.
388 499
389It might be useful to know that @@RXVT_NAME@@ will not close file 500It might be useful to know that @@RXVT_NAME@@ will not close file
390descriptors passed to it (except for stdin/out/err, of course), so you 501descriptors passed to it (except for stdin/out/err, of course), so you
391can use file descriptors to communicate with the programs within the 502can use file descriptors to communicate with the programs within the
392terminal. This works regardless of wether the C<-embed> option was used or 503terminal. This works regardless of whether the C<-embed> option was used or
393not. 504not.
394 505
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.
549
395=back 550=back
396 551
397=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
398 553
399Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
400options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
401 557
402There 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
403Xresource data: using the X libraries (Xrm*-functions) or internal 559distribution do also load settings from the B<~/.Xresources> file when X
404Xresources reader (B<~/.Xdefaults>). For the first method (ie. 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
405B<@@RXVT_NAME@@ -h> lists B<XGetDefaults>), you can set and change the 561with later settings overwriting earlier ones:
406resources using X11 tools like B<xrdb>. Many distribution do also load
407settings from the B<~/.Xresources> file when X starts. @@RXVT_NAME@@
408will consult the following files/resources in order, with later settings
409overwriting earlier ones:
410 562
411 1. system-wide app-defaults file, either locale-dependent OR global
412 2. app-defaults file in $XAPPLRESDIR 563 1. app-defaults file in $XAPPLRESDIR
564 2. $HOME/.Xdefaults
413 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 565 3. RESOURCE_MANAGER property on root-window of screen 0
414 4. SCREEN_RESOURCES for the current screen 566 4. SCREEN_RESOURCES property on root-window of the current screen
415 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
568 6. resources specified via -xrm on the commandline
416 569
417If compiled with internal Xresources support (i.e. B<@@RXVT_NAME@@ -h>
418lists B<.Xdefaults>) then B<@@RXVT_NAME@@> accepts application defaults
419set in XAPPLOADDIR/URxvt (compile-time defined: usually
420B</usr/lib/X11/app-defaults/URxvt>) and resources set in
421B<~/.Xdefaults>, or B<~/.Xresources> if B<~/.Xdefaults> does not exist.
422Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
423class 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
424resources 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
425easily configured, while the class name B<URxvt> allows resources 573configured, while the class name B<URxvt> allows resources unique to
426unique to B<@@RXVT_NAME@@>, notably colours and key-handling, to be 574B<@@RXVT_NAME@@>, to be shared between different B<@@RXVT_NAME@@>
427shared between different B<@@RXVT_NAME@@> configurations. If no 575configurations. If no resources are specified, suitable defaults will
428resources are specified, suitable defaults will be used. Command-line 576be used. Command-line arguments can be used to override resource
429arguments can be used to override resource settings. The following 577settings. The following resources are supported (you might want to
430resources are allowed: 578check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl
579extensions not documented here):
431 580
432=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.
433 594
434=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
435 596
436Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
437option B<-geometry>. 598option B<-geometry>.
451Use 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
452corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
453high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
454colours. 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,
4553=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
456names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
457 618
458Colours 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
459changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
460 621
461Colours 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
472=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
473 634
474Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
475foreground colour is the default. 636foreground colour is the default.
476 637
477=item B<colorRV:> I<colour>
478
479Use the specified colour as the background for reverse video
480characters.
481
482=item B<underlineColor:> I<colour> 638=item B<underlineColor:> I<colour>
483 639
484If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
485itself. 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.
486 652
487=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
488 654
489Use 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
490foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
497 663
498=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
499 665
500B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
501option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
502B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
503 669
504=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
505 671
506B<True>: specify that jump scrolling should be used. When scrolling 672B<True>: specify that jump scrolling should be used. When receiving lots
507quickly, 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
508B<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>.
509 679
510=item B<inheritPixmap:> I<boolean> 680=item B<skipScroll:> I<boolean>
511 681
512B<True>: make the background inherit the parent windows' pixmap, giving 682B<True>: (the default) specify that skip scrolling should be used. When
513artificial transparency. B<False>: do not inherit the parent windows' 683receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
514pixmap. 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.
515 698
516=item B<fading:> I<number> 699=item B<fading:> I<number>
517 700
518Fade 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>.
519 707
520=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
521 709
522Tint 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>.
523 715
524=item B<shading:> I<number> 716=item B<shading:> I<number>
525 717
526Darken (0 .. 100) or lighten (-1 .. -100) the transparent background 718Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
527image 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>.
528 733
529=item B<scrollColor:> I<colour> 734=item B<scrollColor:> I<colour>
530 735
531Use the specified colour for the scrollbar [default #B2B2B2]. 736Use the specified colour for the scrollbar [default #B2B2B2].
532 737
533=item B<troughColor:> I<colour> 738=item B<troughColor:> I<colour>
534 739
535Use the specified colour for the scrollbar's trough area [default 740Use the specified colour for the scrollbar's trough area [default
536#969696]. Only relevant for normal (non XTerm/NeXT) scrollbar. 741#969696]. Only relevant for rxvt (non XTerm/NeXT) scrollbar.
537 742
538=item B<borderColor:> I<colour> 743=item B<borderColor:> I<colour>
539 744
540The 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
541and the text. 746and the text.
542 747
543=item B<backgroundPixmap:> I<file[;geom]> 748=item B<backgroundPixmap:> I<file[;oplist]>
544 749
545Use the specified XPM file (note the `.xpm' extension is optional) for 750Use the specified image file for the background and also
546the background and also optionally specify its scaling with a geometry 751optionally specify a colon separated list of operations to modify it.
547string B<WxH+X+Y>, in which B<"W" / "H"> specify the 752Supported operations are:
548horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image
549centre (percent). A scale of 0 displays the image with tiling. A scale
550of 1 displays the image without any scaling. A scale of 2 to 9
551specifies an integer number of images in that direction. No image will
552be magnified beyond 10 times its original size. The maximum permitted
553scale is 1000. [default 0x0+50+50]
554 753
555=item B<menu:> I<file[;tag]> 754=over 4
556 755
557Read in the specified menu file (note the `.menu' extension is 756=item B<WxH+X+Y>
558optional) and also optionally specify a starting tag to find. See the 757
559reference 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.
560 814
561=item B<path:> I<path> 815=item B<path:> I<path>
562 816
563Specify the colon-delimited search path for finding files (XPM and 817Specify the colon-delimited search path for finding background image files.
564menus), in addition to the paths specified by the B<RXVTPATH> and
565B<PATH> environment variables.
566 818
567=item B<font:> I<fontlist> 819=item B<font:> I<fontlist>
568 820
569Select 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
570names that are used in turn when trying to display Unicode characters. 822that are checked in order when trying to find glyphs for characters. The
571The first font defines the cell size for characters; other fonts might 823first font defines the cell size for characters; other fonts might be
572be smaller, but not larger. A reasonable default font list is always 824smaller, but not (in general) larger. A (hopefully) reasonable default
573appended to it. option B<-fn>. 825font list is always appended to it; option B<-fn>.
574 826
575Each 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
576optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>. 828optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>.
577 829
578In addition, each font can be prefixed with additional hints and 830In addition, each font can be prefixed with additional hints and
580hint 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
581fonts. 833fonts.
582 834
583For example, this font resource 835For example, this font resource
584 836
585 URxvt*font: 9x15bold,\ 837 URxvt.font: 9x15bold,\
586 -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,\
587 -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, \
588 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \ 840 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \
589 xft:Code2000:antialias=false 841 xft:Code2000:antialias=false
590 842
593it 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
594wide and 15 pixels high. 846wide and 15 pixels high.
595 847
596The 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
597the base font, likewise the third, which is unfortunately non-bold, but 849the base font, likewise the third, which is unfortunately non-bold, but
598the 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
599useful supplement. 851useful supplement.
600 852
601The 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
602are 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
603contains other characters, but we are not interested in them. 855contains other characters, but we are not interested in them.
624not possible, replacement fonts of the desired shape will be tried. 876not possible, replacement fonts of the desired shape will be tried.
625 877
626If 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
627text font will being used for the given style. 879text font will being used for the given style.
628 880
629=item B<selectstyle:> I<mode> 881=item B<intensityStyles:> I<boolean>
630 882
631Set 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>,
632xterm style with 2.20 old word selection, or anything else which gives 884option B<-is>, the default), bold/blink font styles imply high
633xterm style selection. 885intensity foreground/background colours. Disabling this option (B<False>,
634 886option B<+is>) disables this behaviour, the high intensity colours are not
635=item B<scrollstyle:> I<mode> 887reachable.
636
637Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
638the author's favourite..
639 888
640=item B<title:> I<string> 889=item B<title:> I<string>
641 890
642Set window title string, the default title is the command-line 891Set window title string, the default title is the command-line
643specified after the B<-e> option, if any, otherwise the application 892specified after the B<-e> option, if any, otherwise the application
652=item B<mapAlert:> I<boolean> 901=item B<mapAlert:> I<boolean>
653 902
654B<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
655de-iconify (map) on receipt of a bell character [default]. 904de-iconify (map) on receipt of a bell character [default].
656 905
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
657=item B<visualBell:> I<boolean> 913=item B<visualBell:> I<boolean>
658 914
659B<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>.
660B<False>: no visual bell [default]; option B<+vb>. 916B<False>: no visual bell [default]; option B<+vb>.
661 917
675 931
676Specify a command pipe for vt100 printer [default I<lpr(1)>]. Use 932Specify a command pipe for vt100 printer [default I<lpr(1)>]. Use
677B<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
678B<Shift-Print> to include the scrollback as well. 934B<Shift-Print> to include the scrollback as well.
679 935
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
680=item B<scrollBar:> I<boolean> 954=item B<scrollBar:> I<boolean>
681 955
682B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 956B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
683disable the scrollbar; option B<+sb>. 957disable the scrollbar; option B<+sb>.
684 958
703B<False>: do not scroll to bottom when tty receives output; option 977B<False>: do not scroll to bottom when tty receives output; option
704B<+si>. 978B<+si>.
705 979
706=item B<scrollWithBuffer:> I<boolean> 980=item B<scrollWithBuffer:> I<boolean>
707 981
708B<True>: scroll with scrollback buffer when tty receives new lines (and 982B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
709B<scrollTtyOutput> is False); option B<+sw>. B<False>: do not scroll 983try to show the same lines) and B<scrollTtyOutput> is False; option
710with 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>.
711 986
712=item B<scrollTtyKeypress:> I<boolean> 987=item B<scrollTtyKeypress:> I<boolean>
713 988
714B<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
715are those which are intercepted by rxvt-unicode for special handling and 990are those which are intercepted by rxvt-unicode for special handling and
734=item B<borderLess:> I<boolean> 1009=item B<borderLess:> I<boolean>
735 1010
736Set 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
737WM, 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>.
738 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
739=item B<termName:> I<termname> 1021=item B<termName:> I<termname>
740 1022
741Specifies 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
742variable; option B<-tn>. 1024variable; option B<-tn>.
743 1025
744=item B<linespace:> I<number> 1026=item B<lineSpace:> I<number>
745 1027
746Specifies number of lines (pixel height) to insert between each row of 1028Specifies number of lines (pixel height) to insert between each row of
747the display [default 0]; option B<-lsp>. 1029the display [default 0]; option B<-lsp>.
748 1030
749=item B<meta8:> I<boolean> 1031=item B<meta8:> I<boolean>
763 1045
764=item B<cursorBlink:> I<boolean> 1046=item B<cursorBlink:> I<boolean>
765 1047
766B<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];
767option 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>.
768 1055
769=item B<pointerBlank:> I<boolean> 1056=item B<pointerBlank:> I<boolean>
770 1057
771B<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
772of seconds of inactivity. B<False>: the pointer is always visible 1059of seconds of inactivity. B<False>: the pointer is always visible
780 1067
781Mouse pointer background colour. 1068Mouse pointer background colour.
782 1069
783=item B<pointerBlankDelay:> I<number> 1070=item B<pointerBlankDelay:> I<number>
784 1071
785Specifies 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.
786 1074
787=item B<backspacekey:> I<string> 1075=item B<backspacekey:> I<string>
788 1076
789The 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>
790or 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>
791(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
792escape sequence. 1080escape sequence.
793 1081
794=item B<deletekey:> I<string> 1082=item B<deletekey:> I<string>
795 1083
797pressed. If unset it will send the sequence traditionally associated 1085pressed. If unset it will send the sequence traditionally associated
798with the B<Execute> key. 1086with the B<Execute> key.
799 1087
800=item B<cutchars:> I<string> 1088=item B<cutchars:> I<string>
801 1089
802The characters used as delimiters for double-click word selection. The 1090The characters used as delimiters for double-click word selection
803built-in default: 1091(whitespace delimiting is added automatically if resource is given).
804 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
805B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1101B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
806 1102
807=item B<preeditType:> I<style> 1103=item B<preeditType:> I<style>
808 1104
809B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1105B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
810 1106
815=item B<imLocale:> I<name> 1111=item B<imLocale:> I<name>
816 1112
817The locale to use for opening the IM. You can use an C<LC_CTYPE> of e.g. 1113The locale to use for opening the IM. You can use an C<LC_CTYPE> of e.g.
818C<de_DE.UTF-8> for normal text processing but C<ja_JP.EUC-JP> for the 1114C<de_DE.UTF-8> for normal text processing but C<ja_JP.EUC-JP> for the
819input extension to be able to input japanese characters while staying in 1115input extension to be able to input japanese characters while staying in
820another locale. option B<-imlocale>. 1116another locale; option B<-imlocale>.
821 1117
822=item B<imFont:> I<fontset> 1118=item B<imFont:> I<fontset>
823 1119
824Specify the font-set used for XIM styles C<OverTheSpot> or 1120Specify the font-set used for XIM styles C<OverTheSpot> or
825C<OffTheSpot>. It must be a standard X font set (XLFD patterns separated 1121C<OffTheSpot>. It must be a standard X font set (XLFD patterns separated
830 1126
831=item B<tripleclickwords:> I<boolean> 1127=item B<tripleclickwords:> I<boolean>
832 1128
833Change the meaning of triple-click selection with the left mouse 1129Change the meaning of triple-click selection with the left mouse
834button. Instead of selecting a full line it will extend the selection to 1130button. Instead of selecting a full line it will extend the selection to
835the end of the logical line only. option B<-tcw>. 1131the end of the logical line only; option B<-tcw>.
836 1132
837=item B<insecure:> I<boolean> 1133=item B<insecure:> I<boolean>
838 1134
839Enables "insecure" mode. Rxvt-unicode offers some escape sequences that 1135Enables "insecure" mode. Rxvt-unicode offers some escape sequences that
840echo 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
841abused if somebody gets 8-bit-clean access to your display, whether 1137abused if somebody gets 8-bit-clean access to your display, whether
842throuh a mail client displaying mail bodies unfiltered or though 1138through a mail client displaying mail bodies unfiltered or through
843write(1). Therefore, these sequences are disabled by default. (Note 1139write(1) or any other means. Therefore, these sequences are disabled by
844that other terminals, including xterm, have these sequences 1140default. (Note that many other terminals, including xterm, have these
845enabled by default). You can enable them by setting this boolean 1141sequences enabled by default, which doesn't make it safer, though).
846resource or specifying B<-insecure> as an option. At the moment, this 1142
847enabled display-answer, locale, findfont, icon label and window title 1143You can enable them by setting this boolean resource or specifying
848requests 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.
849 1146
850=item B<modifier:> I<modifier> 1147=item B<modifier:> I<modifier>
851 1148
852Set 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>,
853B<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
857 1154
858Specify 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)
859character is passed through. It may contain escape values as described 1156character is passed through. It may contain escape values as described
860in the entry on B<keysym> following. 1157in the entry on B<keysym> following.
861 1158
862=item B<secondaryScreen:> I<bool> 1159=item B<secondaryScreen:> I<boolean>
863 1160
864Turn on/off secondary screen (default enabled). 1161Turn on/off secondary screen (default enabled).
865 1162
866=item B<secondaryScroll:> I<bool> 1163=item B<secondaryScroll:> I<boolean>
867 1164
868Turn on/off secondary screen scroll (default enabled). If the this 1165Turn on/off secondary screen scroll (default enabled). If this
869option is enabled, scrolls on the secondary screen will change the 1166option is enabled, scrolls on the secondary screen will change the
870scrollback buffer and switching to/from the secondary screen will 1167scrollback buffer and, when secondaryScreen is off, switching
871instead 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>.
872 1183
873=item B<keysym.>I<sym>: I<string> 1184=item B<keysym.>I<sym>: I<string>
874 1185
875Compile I<frills>: Associate I<string> with keysym I<sym>. The 1186Compile I<frills>: Associate I<string> with keysym I<sym>. The
876intervening resource name B<keysym.> cannot be omitted. 1187intervening resource name B<keysym.> cannot be omitted.
890searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1201searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
891omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1202omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
892keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1203keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
893performed in an exact manner; however, the closest match is assured. 1204performed in an exact manner; however, the closest match is assured.
894 1205
895I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1206I<string> may contain escape values (C<\n>: newline, C<\000>: octal
896C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1207number), see RESOURCES in C<man 7 X> for further details.
897C<\000>: octal number) or verbatim control characters (C<^?>: delete,
898C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
899can start or end with whitespace.
900
901Please note that you need to double the C<\> when using
902C<--enable-xgetdefault>, as X itself does it's own de-escaping (you can
903use C<\033> instead of C<\e> (and so on), which will work with both Xt and
904@@RXVT_NAME@@'s own processing).
905 1208
906You can define a range of keysyms in one shot by providing a I<string> 1209You can define a range of keysyms in one shot by providing a I<string>
907with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/' 1210with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
908should be a character not used by the strings. 1211should be a character not used by the strings.
909 1212
910Its usage can be demonstrated by an example: 1213Its usage can be demonstrated by an example:
911 1214
912 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1215 URxvt.keysym.M-C-0x61: list|\033<|abc|>
913 1216
914The above line is equivalent to the following three lines: 1217The above line is equivalent to the following three lines:
915 1218
916 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1219 URxvt.keysym.Meta-Control-0x61: \033<a>
917 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1220 URxvt.keysym.Meta-Control-0x62: \033<b>
918 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1221 URxvt.keysym.Meta-Control-0x63: \033<c>
919 1222
920If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1223If I<string> takes the form of C<command:STRING>, the specified B<STRING>
921is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1224is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
922example the following means "change the current locale to C<zh_CN.GBK> 1225example the following means "change the current locale to C<zh_CN.GBK>
923when Control-Meta-c is being pressed": 1226when Control-Meta-c is being pressed":
924 1227
925 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1228 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
926 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
927The following example will map Control-Meta-1 and Control-Meta-2 to 1256The following example will map Control-Meta-1 and Control-Meta-2 to
928the fonts C<suxuseuro> and C<9x15bold>, so you can have some limited 1257the fonts C<suxuseuro> and C<9x15bold>, so you can have some limited
929font-switching at runtime: 1258font-switching at runtime:
930 1259
931 URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007 1260 URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007
934Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more 1263Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more
935info): 1264info):
936 1265
937 URxvt.keysym.M-C-3: command:\033[8;25;80t 1266 URxvt.keysym.M-C-3: command:\033[8;25;80t
938 URxvt.keysym.M-C-4: command:\033[8;48;110t 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).
939 1346
940=back 1347=back
941 1348
942=head1 THE SCROLLBAR 1349=head1 THE SCROLLBAR
943 1350
962application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~> 1369application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
963(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the 1370(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
964up 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),
965respectively. 1372respectively.
966 1373
967=head1 TEXT SELECTION AND INSERTION 1374=head1 THE SELECTION: SELECTING AND PASTING TEXT
968 1375
969The behaviour of text selection and insertion mechanism is similar to 1376The behaviour of text selection and insertion/pasting mechanism is similar
970I<xterm>(1). 1377to I<xterm>(1).
971 1378
972=over 4 1379=over 4
973 1380
974=item B<Selection>: 1381=item B<Selecting>:
975 1382
976Left click at the beginning of the region, drag to the end of the region 1383Left click at the beginning of the region, drag to the end of the region
977and release; Right click to extend the marked region; Left double-click 1384and release; Right click to extend the marked region; Left double-click
978to select a word; Left triple-click to select the entire logical line 1385to select a word; Left triple-click to select the entire logical line
979(which can span multiple screen lines), unless modified by resource 1386(which can span multiple screen lines), unless modified by resource
980B<tripleclickwords>. 1387B<tripleclickwords>.
981 1388
982Starting 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)
983(Compile: I<frills>) will create a rectangular selection instead of a normal 1390(Compile: I<frills>) will create a rectangular selection instead of a
984one. 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.
985 1394
986=item B<Insertion>: 1395=item B<Pasting>:
987 1396
988Pressing and releasing the Middle mouse button (or B<Shift-Insert>) in 1397Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
989an B<@@RXVT_NAME@@> window causes the current text selection to be 1398window causes the value of the PRIMARY selection (or CLIPBOARD with the
990inserted 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.
991 1403
992=back 1404=back
993 1405
994=head1 CHANGING FONTS 1406=head1 CHANGING FONTS
995 1407
996Changing fonts (or font sizes, respectively) via the keypad is not yet 1408Changing fonts (or font sizes, respectively) via the keypad is not yet
997supported in rxvt-unicode. Bug me if you need this. 1409supported in rxvt-unicode. Bug me if you need this.
998 1410
999You can, however, switch fonts at runtime using escape sequences (and 1411You can, however, switch fonts at runtime using escape sequences, e.g.:
1000therefore using the menubar), e.g.:
1001 1412
1002 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
1003 1419
1004rxvt-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.
1005 1421
1006=head1 ISO 14755 SUPPORT 1422=head1 ISO 14755 SUPPORT
1007 1423
1008ISO 14755 is a standard for entering and viewing unicode characters 1424ISO 14755 is a standard for entering and viewing unicode characters
1009and character codes using the keyboard. It consists of 4 parts. The 1425and character codes using the keyboard. It consists of 4 parts. The
1010first part is available rxvt-unicode has been compiled with 1426first part is available if rxvt-unicode has been compiled with
1011C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1427C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1012with C<--enable-iso14755>. 1428with C<--enable-iso14755>.
1013 1429
1014=over 4 1430=over 4
1015 1431
1035This mode lets you input characters representing the keycap symbols of 1451This mode lets you input characters representing the keycap symbols of
1036your keyboard, if representable in the current locale encoding. 1452your keyboard, if representable in the current locale encoding.
1037 1453
1038Start by pressing C<Control> and C<Shift> together, then releasing 1454Start by pressing C<Control> and C<Shift> together, then releasing
1039them. 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
1040invoke it's usual function but instead will insert the corresponding 1456invoke its usual function but instead will insert the corresponding
1041keycap 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
1042released, otherwise pressing e.g. C<Shift> would enter the symbol for 1458released, otherwise pressing e.g. C<Shift> would enter the symbol for
1043C<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
1044reverse tab (Shift-Tab). 1460reverse tab (Shift-Tab).
1045 1461
1073B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1489B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1074it can be seen via the I<who(1)> command, and can accept messages. To 1490it can be seen via the I<who(1)> command, and can accept messages. To
1075allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1491allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1076on some systems or setgid to root or to some other group on others. 1492on some systems or setgid to root or to some other group on others.
1077 1493
1078=head1 COLORS AND GRAPHICS 1494=head1 COLOURS AND GRAPHICS
1079 1495
1080In addition to the default foreground and background colours, 1496In addition to the default foreground and background colours,
1081B<@@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
1082high-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
1083colours 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.
1084 1503
1085=begin table 1504=begin table
1086 1505
1087 B<color0> (black) = Black 1506 B<color0> (black) = Black
1088 B<color1> (red) = Red3 1507 B<color1> (red) = Red3
1108It is also possible to specify the colour values of B<foreground>, 1527It is also possible to specify the colour values of B<foreground>,
1109B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1528B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1110a 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
1111color0-color15. 1530color0-color15.
1112 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
1113Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1551Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1114always swapping the foreground/background colours. This is in contrast to 1552always swapping the foreground/background colours. This is in contrast to
1115I<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
1116been specified. For example, 1554been specified. For example,
1117 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
1118=over 4 1611=over 4
1119 1612
1120=item B<@@RXVT_NAME@@ -fg Black -bg White -rv>
1121
1122would yield White on Black, while on I<xterm>(1) it would yield Black
1123on White.
1124
1125=back
1126
1127=head1 ENVIRONMENT
1128
1129B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1130
1131=over 4
1132
1133=item B<TERM> 1613=item B<TERM>
1134 1614
1135Normally set to C<rxvt-unicode>, unless overwritten at configure time, via 1615Normally set to C<rxvt-unicode>, unless overwritten at configure time, via
1136resources or on the commandline. 1616resources or on the command line.
1137 1617
1138=item B<COLORTERM> 1618=item B<COLORTERM>
1139 1619
1140Either C<rxvt>, C<rxvt-xpm>, depending on wether @@RXVT_NAME@@ was 1620Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1141compiled with XPM support, and optionally with the added extension 1621compiled with background image support, and optionally with the added
1142C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1622extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1623screen.
1143 1624
1144=item B<COLORFGBG> 1625=item B<COLORFGBG>
1145 1626
1146Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1627Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1147the colour code used as default foreground/text colour (or the string 1628the colour code used as default foreground/text colour (or the string
1148C<default> to indicate that the default-colour escape sequence is to be 1629C<default> to indicate that the default-colour escape sequence is to be
1149used), C<bg> is the colour code used as default background colour (or the 1630used), C<bg> is the colour code used as default background colour (or the
1150string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1631string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1151was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1632was compiled with background image support. Libraries like C<ncurses>
1152(and do) use this information to optimize screen output. 1633and C<slang> can (and do) use this information to optimize screen output.
1153 1634
1154=item B<WINDOWID> 1635=item B<WINDOWID>
1155 1636
1156Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1637Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1157window, which usually has subwindows for the scrollbar, the terminal 1638window, which usually has subwindows for the scrollbar, the terminal
1163C<--with-terminfo=PATH>. 1644C<--with-terminfo=PATH>.
1164 1645
1165=item B<DISPLAY> 1646=item B<DISPLAY>
1166 1647
1167Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1648Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1168display in it's child processes. 1649display in its child processes if C<-display> isn't used to override. It
1650defaults to C<:0> if it doesn't exist.
1169 1651
1170=item B<SHELL> 1652=item B<SHELL>
1171 1653
1172The shell to be used for command execution, defaults to C</bin/sh>. 1654The shell to be used for command execution, defaults to C</bin/sh>.
1173
1174=item B<RXVTPATH>
1175
1176The path where @@RXVT_NAME@@ looks for support files such as menu and xpm
1177files.
1178
1179=item B<PATH>
1180
1181Used in the same way as C<RXVTPATH>.
1182 1655
1183=item B<RXVT_SOCKET> 1656=item B<RXVT_SOCKET>
1184 1657
1185The unix domain socket path used by @@RXVT_NAME@@c(1) and 1658The unix domain socket path used by @@RXVT_NAME@@c(1) and
1186@@RXVT_NAME@@d(1). 1659@@RXVT_NAME@@d(1).
1187 1660
1188Default C<< $HOME/.rxvt-unicode-<nodename >>. 1661Default F<<< $HOME/.rxvt-unicode-I<< <nodename> >> >>>.
1189 1662
1190=item B<HOME> 1663=item B<HOME>
1191 1664
1192Used to locate the default directory for the unix domain socket for 1665Used to locate the default directory for the unix domain socket for
1193daemon communications and to locate various resource files (such as 1666daemon communications and to locate various resource files (such as
1194C<.Xdefaults>) 1667C<.Xdefaults>)
1195 1668
1196=item B<XAPPLRESDIR> 1669=item B<XAPPLRESDIR>
1197 1670
1198Directory where various X resource files are being located. 1671Directory where application-specific X resource files are located.
1199 1672
1200=item B<XENVIRONMENT> 1673=item B<XENVIRONMENT>
1201 1674
1202If set and accessible, gives the name of a X resource file to be loaded by 1675If set and accessible, gives the name of a X resource file to be loaded by
1203@@RXVT_NAME@@. 1676@@RXVT_NAME@@.
1208 1681
1209=over 4 1682=over 4
1210 1683
1211=item B</usr/lib/X11/rgb.txt> 1684=item B</usr/lib/X11/rgb.txt>
1212 1685
1213Color names. 1686Colour names.
1214 1687
1215=back 1688=back
1216 1689
1217=head1 SEE ALSO 1690=head1 SEE ALSO
1218 1691
1219@@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)
1220
1221=head1 BUGS
1222
1223Check the BUGS file for an up-to-date list.
1224
1225Cursor change support is not yet implemented.
1226
1227Click-and-drag doesn't work with X11 mouse report overriding.
1228 1693
1229=head1 CURRENT PROJECT COORDINATOR 1694=head1 CURRENT PROJECT COORDINATOR
1230 1695
1231=over 4 1696=over 4
1232 1697
1233=item Project Coordinator 1698=item Project Coordinator
1234 1699
1235Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >> 1700Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
1236 1701
1237L<http://software.schmorp.de/#rxvt-unicode> 1702L<http://software.schmorp.de/pkg/rxvt-unicode.html>
1238 1703
1239=back 1704=back
1240 1705
1241=head1 AUTHORS 1706=head1 AUTHORS
1242 1707
1264 1729
1265Project Coordinator (changes.txt 2.21a to 2.4.5) 1730Project Coordinator (changes.txt 2.21a to 2.4.5)
1266 1731
1267=item Geoff Wing L<< <gcw@pobox.com> >> 1732=item Geoff Wing L<< <gcw@pobox.com> >>
1268 1733
1269Rewrote screen display and text selection routines. Project Coordinator 1734Rewrote screen display and text selection routines.
1735
1270(changes.txt 2.4.6 - rxvt-unicode) 1736Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1271 1737
1272=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1738=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1273 1739
1274Forked rxvt-unicode, rewrote most of the display code and internal 1740Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1275character handling to store text in unicode, improve xterm 1741extension, random hacks, numerous bugfixes and extensions.
1276compatibility and apply numerous other bugfixes and extensions.
1277 1742
1278Project Coordinator (Changes 1.0 -) 1743Project Coordinator (Changes 1.0 -)
1279 1744
1745=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1746
1747pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1748
1280=back 1749=back
1281 1750

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