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Revision: 1.64
Committed: Thu Dec 7 21:31:01 2006 UTC (17 years, 7 months ago) by root
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Branch: MAIN
CVS Tags: rel-8_1
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# User Rev Content
1 root 1.1 NAME
2     rxvt-unicode (ouR XVT, unicode) - (a VT102 emulator for the X window
3     system)
4    
5     SYNOPSIS
6 root 1.62 rxvt [options] [-e command [ args ]]
7 root 1.1
8     DESCRIPTION
9 root 1.64 rxvt-unicode, version 8.1, is a colour vt102 terminal emulator intended
10 root 1.14 as an *xterm*(1) replacement for users who do not require features such
11     as Tektronix 4014 emulation and toolkit-style configurability. As a
12     result, rxvt-unicode uses much less swap space -- a significant
13     advantage on a machine serving many X sessions.
14 root 1.1
15     FREQUENTLY ASKED QUESTIONS
16 root 1.62 See rxvt(7) (try "man 7 rxvt") for a list of frequently asked questions
17     and answer to them and some common problems. That document is also
18     accessible on the World-Wide-Web at
19 root 1.63 <http://cvs.schmorp.de/browse/rxvt-unicode/doc/rxvt.7.html>.
20 root 1.1
21     RXVT-UNICODE VS. RXVT
22     Unlike the original rxvt, rxvt-unicode stores all text in Unicode
23     internally. That means it can store and display most scripts in the
24     world. Being a terminal emulator, however, some things are very
25     difficult, especially cursive scripts such as arabic, vertically written
26     scripts like mongolian or scripts requiring extremely complex combining
27     rules, like tibetan or devenagari. Don't expect pretty output when using
28     these scripts. Most other scripts, latin, cyrillic, kanji, thai etc.
29 root 1.62 should work fine, though. A somewhat difficult case are right-to-left
30 root 1.1 scripts, such as hebrew: rxvt-unicode adopts the view that bidirectional
31     algorithms belong into the application, not the terminal emulator (too
32     many things -- such as cursor-movement while editing -- break
33     otherwise), but that might change.
34    
35     If you are looking for a terminal that supports more exotic scripts, let
36 root 1.62 me recommend "mlterm", which is a very user friendly, lean and clean
37 root 1.1 terminal emulator. In fact, the reason rxvt-unicode was born was solely
38     because the author couldn't get "mlterm" to use one font for latin1 and
39     another for japanese.
40    
41     Therefore another design rationale was the use of multiple fonts to
42     display characters: The idea of a single unicode font which many other
43 root 1.60 programs force onto its users never made sense to me: You should be able
44     to choose any font for any script freely.
45 root 1.1
46     Apart from that, rxvt-unicode is also much better internationalised than
47 root 1.60 its predecessor, supports things such as XFT and ISO 14755 that are
48 root 1.62 handy in i18n-environments, is faster, and has a lot bugs less than the
49 root 1.1 original rxvt. This all in addition to dozens of other small
50     improvements.
51    
52     It is still faithfully following the original rxvt idea of being lean
53     and nice on resources: for example, you can still configure rxvt-unicode
54 root 1.60 without most of its features to get a lean binary. It also comes with a
55 root 1.1 client/daemon pair that lets you open any number of terminal windows
56     from within a single process, which makes startup time very fast and
57 root 1.62 drastically reduces memory usage. See rxvtd(1) (daemon) and rxvtc(1)
58 root 1.1 (client).
59    
60     It also makes technical information about escape sequences (which have
61 root 1.62 been extended) more accessible: see rxvt(7) for technical reference
62 root 1.1 documentation (escape sequences etc.).
63    
64     OPTIONS
65 root 1.62 The rxvt options (mostly a subset of *xterm*'s) are listed below. In
66 root 1.1 keeping with the smaller-is-better philosophy, options may be eliminated
67     or default values chosen at compile-time, so options and defaults listed
68 root 1.62 may not accurately reflect the version installed on your system. `rxvt
69 root 1.1 -h' gives a list of major compile-time options on the *Options* line.
70     Option descriptions may be prefixed with which compile option each is
71     dependent upon. e.g. `Compile *XIM*:' requires *XIM* on the *Options*
72 root 1.62 line. Note: `rxvt -help' gives a list of all command-line options
73 root 1.1 compiled into your version.
74    
75 root 1.62 Note that rxvt permits the resource name to be used as a long-option
76 root 1.1 (--/++ option) so the potential command-line options are far greater
77 root 1.62 than those listed. For example: `rxvt --loginShell --color1 Orange'.
78 root 1.1
79     The following options are available:
80    
81     -help, --help
82     Print out a message describing available options.
83    
84     -display *displayname*
85     Attempt to open a window on the named X display (-d still
86     respected). In the absence of this option, the display specified by
87     the DISPLAY environment variable is used.
88    
89 root 1.52 -depth *bitdepth*
90 root 1.55 Compile *xft*: Attempt to find a visual with the given bit depth;
91 root 1.52 resource depth.
92    
93 root 1.1 -geometry *geom*
94     Window geometry (-g still respected); resource geometry.
95    
96     -rv|+rv
97     Turn on/off simulated reverse video; resource reverseVideo.
98    
99     -j|+j
100     Turn on/off jump scrolling; resource jumpScroll.
101    
102 root 1.24 -ip|+ip | -tr|+tr
103 root 1.1 Turn on/off inheriting parent window's pixmap. Alternative form is
104     -tr; resource inheritPixmap.
105    
106 root 1.55 *Please note that transparency of any kind if completely unsupported
107 root 1.62 by the author. Don't bug him with installation questions! Read the
108     FAQ (man 7 rxvt)!*
109 root 1.55
110 root 1.1 -fade *number*
111 root 1.24 Fade the text by the given percentage when focus is lost. Small
112     values fade a little only, 100 completely replaces all colours by
113     the fade colour; resource fading.
114    
115     -fadecolor *colour*
116     Fade to this colour when fading is used (see -fade). The default
117 root 1.55 colour is opaque black. resource fadeColor.
118 root 1.1
119     -tint *colour*
120     Tint the transparent background pixmap with the given colour when
121 root 1.24 transparency is enabled with -tr or -ip. This only works for
122     non-tiled backgrounds, currently. See also the -sh option that can
123     be used to brighten or darken the image in addition to tinting it;
124     resource *tintColor*. Example:
125    
126 root 1.62 rxvt -tr -tint blue -sh 40
127 root 1.1
128     -sh *number* Darken (0 .. 100) or lighten (-1 .. -100) the transparent
129     background image in addition to tinting it (i.e. -tint must be
130     specified, too, e.g. "-tint white").
131    
132     -bg *colour*
133     Window background colour; resource background.
134    
135     -fg *colour*
136     Window foreground colour; resource foreground.
137    
138     -pixmap *file[;geom]*
139     Compile *XPM*: Specify XPM file for the background and also
140     optionally specify its scaling with a geometry string. Note you may
141 root 1.3 need to add quotes to avoid special shell interpretation of the ";"
142 root 1.1 in the command-line; resource backgroundPixmap.
143    
144     -cr *colour*
145     The cursor colour; resource cursorColor.
146    
147     -pr *colour*
148     The mouse pointer foreground colour; resource pointerColor.
149    
150     -pr2 *colour*
151     The mouse pointer background colour; resource pointerColor2.
152    
153     -bd *colour*
154     The colour of the border around the text area and between the
155     scrollbar and the text; resource borderColor.
156    
157     -fn *fontlist*
158     Select the fonts to be used. This is a comma separated list of font
159 root 1.45 names that are checked in order when trying to find glyphs for
160 root 1.1 characters. The first font defines the cell size for characters;
161     other fonts might be smaller, but not (in general) larger. A
162     (hopefully) reasonable default font list is always appended to it.
163     See resource font for more details.
164    
165 root 1.60 In short, to specify an X11 core font, just specify its name or
166 root 1.1 prefix it with "x:". To specify an XFT-font, you need to prefix it
167     with "xft:", e.g.:
168    
169 root 1.62 rxvt -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
170     rxvt -fn "9x15bold,xft:Bitstream Vera Sans Mono"
171 root 1.1
172     See also the question "How does rxvt-unicode choose fonts?" in the
173 root 1.62 FAQ section of rxvt(7).
174 root 1.1
175     -fb *fontlist*
176 root 1.36 Compile *font-styles*: The bold font list to use when bold
177     characters are to be printed. See resource boldFont for details.
178 root 1.1
179     -fi *fontlist*
180 root 1.36 Compile *font-styles*: The italic font list to use when *italic*
181 root 1.1 characters are to be printed. See resource italicFont for details.
182    
183     -fbi *fontlist*
184 root 1.36 Compile *font-styles*: The bold italic font list to use when *bold
185 root 1.34 italic* characters are to be printed. See resource boldItalicFont
186     for details.
187 root 1.1
188 root 1.29 -is|+is
189 root 1.36 Compile *font-styles*: Bold/Italic font styles imply high intensity
190 root 1.29 foreground/background (default). See resource intensityStyles for
191     details.
192    
193 root 1.1 -name *name*
194     Specify the application name under which resources are to be
195     obtained, rather than the default executable file name. Name should
196     not contain `.' or `*' characters. Also sets the icon and title
197     name.
198    
199     -ls|+ls
200     Start as a login-shell/sub-shell; resource loginShell.
201    
202     -ut|+ut
203     Compile *utmp*: Inhibit/enable writing a utmp entry; resource
204     utmpInhibit.
205    
206     -vb|+vb
207     Turn on/off visual bell on receipt of a bell character; resource
208     visualBell.
209    
210     -sb|+sb
211     Turn on/off scrollbar; resource scrollBar.
212    
213     -si|+si
214     Turn on/off scroll-to-bottom on TTY output inhibit; resource
215     scrollTtyOutput has opposite effect.
216    
217     -sk|+sk
218     Turn on/off scroll-to-bottom on keypress; resource
219     scrollTtyKeypress.
220    
221     -sw|+sw
222     Turn on/off scrolling with the scrollback buffer as new lines
223     appear. This only takes effect if -si is also given; resource
224     scrollWithBuffer.
225    
226     -sr|+sr
227     Put scrollbar on right/left; resource scrollBar_right.
228    
229     -st|+st
230 root 1.22 Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
231 root 1.1 resource scrollBar_floating.
232    
233     -ptab|+ptab
234     If enabled (default), "Horizontal Tab" characters are being stored
235     as actual wide characters in the screen buffer, which makes it
236     possible to select and paste them. Since a horizontal tab is a
237     cursor movement and not an actual glyph, this can sometimes be
238     visually annoying as the cursor on a tab character is displayed as a
239     wide cursor; resource pastableTabs.
240    
241     -bc|+bc
242     Blink the cursor; resource cursorBlink.
243    
244     -iconic
245     Start iconified, if the window manager supports that option.
246     Alternative form is -ic.
247    
248     -sl *number*
249     Save *number* lines in the scrollback buffer. See resource entry for
250     limits; resource saveLines.
251    
252     -b *number*
253     Compile *frills*: Internal border of *number* pixels. See resource
254     entry for limits; resource internalBorder.
255    
256     -w *number*
257     Compile *frills*: External border of *number* pixels. Also, -bw and
258     -borderwidth. See resource entry for limits; resource
259     externalBorder.
260    
261     -bl Compile *frills*: Set MWM hints to request a borderless window, i.e.
262     if honoured by the WM, the rxvt-unicode window will not have window
263     decorations; resource borderLess.
264    
265 root 1.48 -override-redirect
266     Compile *frills*: Sets override-redirect on the window; resource
267     override-redirect.
268    
269 root 1.36 -sbg
270     Compile *frills*: Disable the usage of the built-in block
271     graphics/line drawing characters and just rely on what the specified
272     fonts provide. Use this if you have a good font and want to use its
273     block graphic glyphs; resource skipBuiltinGlyphs.
274    
275 root 1.1 -lsp *number*
276     Compile *frills*: Lines (pixel height) to insert between each row of
277     the display. Useful to work around font rendering problems; resource
278     linespace.
279    
280     -tn *termname*
281     This option specifies the name of the terminal type to be set in the
282     TERM environment variable. This terminal type must exist in the
283     *termcap(5)* database and should have *li#* and *co#* entries;
284     resource termName.
285    
286     -e *command [arguments]*
287 root 1.62 Run the command with its command-line arguments in the rxvt window;
288 root 1.1 also sets the window title and icon name to be the basename of the
289     program being executed if neither *-title* (*-T*) nor *-n* are given
290     on the command line. If this option is used, it must be the last on
291     the command-line. If there is no -e option then the default is to
292     run the program specified by the SHELL environment variable or,
293     failing that, *sh(1)*.
294    
295 root 1.27 Please note that you must specify a program with arguments. If you
296     want to run shell commands, you have to specify the shell, like
297     this:
298    
299 root 1.62 rxvt -e sh -c "shell commands"
300 root 1.27
301 root 1.1 -title *text*
302     Window title (-T still respected); the default title is the basename
303     of the program specified after the -e option, if any, otherwise the
304     application name; resource title.
305    
306     -n *text*
307     Icon name; the default name is the basename of the program specified
308     after the -e option, if any, otherwise the application name;
309     resource iconName.
310    
311     -C Capture system console messages.
312    
313     -pt *style*
314     Compile *XIM*: input style for input method; OverTheSpot,
315     OffTheSpot, Root; resource preeditType.
316    
317     -im *text*
318     Compile *XIM*: input method name. resource inputMethod.
319    
320     -imlocale *string*
321 root 1.6 The locale to use for opening the IM. You can use an "LC_CTYPE" of
322     e.g. "de_DE.UTF-8" for normal text processing but "ja_JP.EUC-JP" for
323     the input extension to be able to input japanese characters while
324     staying in another locale. resource imLocale.
325    
326     -imfont *fontset*
327     Set the font set to use for the X Input Method, see resource imFont
328     for more info.
329    
330     -tcw
331     Change the meaning of triple-click selection with the left mouse
332     button. Instead of selecting a full line it will extend the
333     selection the end of the logical line only. resource
334     tripleclickwords.
335 root 1.1
336     -insecure
337     Enable "insecure" mode, which currently enables most of the escape
338     sequences that echo strings. See the resource insecure for more
339     info.
340    
341     -mod *modifier*
342     Override detection of Meta modifier with specified key: alt, meta,
343     hyper, super, mod1, mod2, mod3, mod4, mod5; resource *modifier*.
344    
345     -ssc|+ssc
346     Turn on/off secondary screen (default enabled); resource
347     secondaryScreen.
348    
349     -ssr|+ssr
350     Turn on/off secondary screen scroll (default enabled); resource
351     secondaryScroll.
352    
353 root 1.27 -hold|+hold
354 root 1.62 Turn on/off hold window after exit support. If enabled, rxvt will
355 root 1.27 not immediately destroy its window when the program executed within
356     it exits. Instead, it will wait till it is being killed or closed by
357     the user; resource hold.
358    
359 root 1.17 -keysym.*sym* *string*
360 root 1.11 Remap a key symbol. See resource keysym.
361    
362 root 1.17 -embed *windowid*
363 root 1.62 Tells rxvt to embed its windows into an already-existing window,
364 root 1.14 which enables applications to easily embed a terminal.
365    
366 root 1.62 Right now, rxvt will first unmap/map the specified window, so it
367     shouldn't be a top-level window. rxvt will also reconfigure it quite
368     a bit, so don't expect it to keep some specific state. It's best to
369     create an extra subwindow for rxvt and leave it alone.
370    
371     The window will not be destroyed when rxvt exits.
372    
373     It might be useful to know that rxvt will not close file descriptors
374     passed to it (except for stdin/out/err, of course), so you can use
375     file descriptors to communicate with the programs within the
376     terminal. This works regardless of whether the "-embed" option was
377     used or not.
378 root 1.1
379 root 1.17 Here is a short Gtk2-perl snippet that illustrates how this option
380     can be used (a longer example is in doc/embed):
381    
382 root 1.19 my $rxvt = new Gtk2::Socket;
383     $rxvt->signal_connect_after (realize => sub {
384     my $xid = $_[0]->window->get_xid;
385 root 1.62 system "rxvt -embed $xid &";
386 root 1.19 });
387 root 1.17
388 root 1.37 -pty-fd *file descriptor*
389 root 1.62 Tells rxvt NOT to execute any commands or create a new pty/tty pair
390     but instead use the given file descriptor as the tty master. This is
391     useful if you want to drive rxvt as a generic terminal emulator
392 root 1.17 without having to run a program within it.
393    
394 root 1.62 If this switch is given, rxvt will not create any utmp/wtmp entries
395 root 1.17 and will not tinker with pty/tty permissions - you have to do that
396     yourself if you want that.
397    
398 root 1.37 As an extremely special case, specifying -1 will completely suppress
399     pty/tty operations.
400    
401 root 1.17 Here is a example in perl that illustrates how this option can be
402     used (a longer example is in doc/pty-fd):
403    
404     use IO::Pty;
405     use Fcntl;
406    
407     my $pty = new IO::Pty;
408     fcntl $pty, F_SETFD, 0; # clear close-on-exec
409 root 1.62 system "rxvt -pty-fd " . (fileno $pty) . "&";
410 root 1.18 close $pty;
411 root 1.17
412     # now communicate with rxvt
413     my $slave = $pty->slave;
414     while (<$slave>) { print $slave "got <$_>\n" }
415    
416 root 1.31 -pe *string*
417 root 1.38 Comma-separated list of perl extension scripts to use (or not to
418     use) in this terminal instance. See resource perl-ext for details.
419 root 1.30
420 root 1.1 RESOURCES (available also as long-options)
421 root 1.62 Note: `rxvt --help' gives a list of all resources (long options)
422 root 1.1 compiled into your version.
423    
424 root 1.42 You can set and change the resources using X11 tools like xrdb. Many
425     distribution do also load settings from the ~/.Xresources file when X
426 root 1.62 starts. rxvt will consult the following files/resources in order, with
427 root 1.42 later settings overwriting earlier ones:
428 root 1.11
429     1. system-wide app-defaults file, either locale-dependent OR global
430     2. app-defaults file in $XAPPLRESDIR
431     3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
432     4. SCREEN_RESOURCES for the current screen
433     5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
434 root 1.1
435 root 1.62 Note that when reading X resources, rxvt recognizes two class names:
436     Rxvt and URxvt. The class name Rxvt allows resources common to both rxvt
437     and the original *rxvt* to be easily configured, while the class name
438     URxvt allows resources unique to rxvt, to be shared between different
439     rxvt configurations. If no resources are specified, suitable defaults
440     will be used. Command-line arguments can be used to override resource
441     settings. The following resources are supported (you might want to check
442     the rxvtperl(3) manpage for additional settings by perl extensions not
443     documented here):
444 root 1.1
445 root 1.52 depth: *bitdepth*
446 root 1.55 Compile *xft*: Attempt to find a visual with the given bit depth;
447 root 1.52 option -depth.
448    
449 root 1.1 geometry: *geom*
450     Create the window with the specified X window geometry [default
451     80x24]; option -geometry.
452    
453     background: *colour*
454     Use the specified colour as the window's background colour [default
455     White]; option -bg.
456    
457     foreground: *colour*
458     Use the specified colour as the window's foreground colour [default
459     Black]; option -fg.
460    
461     color*n*: *colour*
462     Use the specified colour for the colour value *n*, where 0-7
463     corresponds to low-intensity (normal) colours and 8-15 corresponds
464     to high-intensity (bold = bright foreground, blink = bright
465     background) colours. The canonical names are as follows: 0=black,
466     1=red, 2=green, 3=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but
467     the actual colour names used are listed in the COLORS AND GRAPHICS
468     section.
469    
470     Colours higher than 15 cannot be set using resources (yet), but can
471 root 1.62 be changed using an escape command (see rxvt(7)).
472 root 1.1
473     Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm
474     with 88 colour support). Colours 80-87 are evenly spaces grey steps.
475    
476     colorBD: *colour*
477     colorIT: *colour*
478     Use the specified colour to display bold or italic characters when
479     the foreground colour is the default. If font styles are not
480 root 1.3 available (Compile *styles*) and this option is unset, reverse video
481 root 1.1 is used instead.
482    
483     colorUL: *colour*
484     Use the specified colour to display underlined characters when the
485     foreground colour is the default.
486    
487     colorRV: *colour*
488     Use the specified colour as the background for reverse video
489     characters.
490    
491     underlineColor: *colour*
492     If set, use the specified colour as the colour for the underline
493     itself. If unset, use the foreground colour.
494    
495     cursorColor: *colour*
496     Use the specified colour for the cursor. The default is to use the
497     foreground colour; option -cr.
498    
499     cursorColor2: *colour*
500     Use the specified colour for the colour of the cursor text. For this
501     to take effect, cursorColor must also be specified. The default is
502     to use the background colour.
503    
504     reverseVideo: *boolean*
505     True: simulate reverse video by foreground and background colours;
506     option -rv. False: regular screen colours [default]; option +rv. See
507     note in COLORS AND GRAPHICS section.
508    
509     jumpScroll: *boolean*
510     True: specify that jump scrolling should be used. When scrolling
511     quickly, fewer screen updates are performed [default]; option -j.
512     False: specify that smooth scrolling should be used; option +j.
513    
514     inheritPixmap: *boolean*
515     True: make the background inherit the parent windows' pixmap, giving
516     artificial transparency. False: do not inherit the parent windows'
517     pixmap.
518    
519 root 1.55 *Please note that transparency of any kind if completely unsupported
520     by the author. Don't bug him with installation questions!*
521    
522 root 1.1 fading: *number*
523 root 1.24 Fade the text by the given percentage when focus is lost; option
524     -fade.
525    
526     fadeColor: *colour*
527     Fade to this colour, when fading is used (see fading:). The default
528     colour is black; option -fadecolor.
529 root 1.1
530     tintColor: *colour*
531 root 1.24 Tint the transparent background pixmap with the given colour; option
532     -tint.
533 root 1.1
534     shading: *number*
535     Darken (0 .. 100) or lighten (-1 .. -100) the transparent background
536     image in addition to tinting it.
537    
538     scrollColor: *colour*
539     Use the specified colour for the scrollbar [default #B2B2B2].
540    
541     troughColor: *colour*
542     Use the specified colour for the scrollbar's trough area [default
543 root 1.22 #969696]. Only relevant for rxvt (non XTerm/NeXT) scrollbar.
544 root 1.1
545     borderColor: *colour*
546     The colour of the border around the text area and between the
547     scrollbar and the text.
548    
549     backgroundPixmap: *file[;geom]*
550     Use the specified XPM file (note the `.xpm' extension is optional)
551     for the background and also optionally specify its scaling with a
552     geometry string WxH+X+Y, in which "W" / "H" specify the
553     horizontal/vertical scale (percent) and "X" / "Y" locate the image
554     centre (percent). A scale of 0 displays the image with tiling. A
555     scale of 1 displays the image without any scaling. A scale of 2 to 9
556     specifies an integer number of images in that direction. No image
557     will be magnified beyond 10 times its original size. The maximum
558     permitted scale is 1000. [default 0x0+50+50]
559    
560     path: *path*
561 root 1.46 Specify the colon-delimited search path for finding XPM files.
562 root 1.1
563     font: *fontlist*
564     Select the fonts to be used. This is a comma separated list of font
565 root 1.45 names that are checked in order when trying to find glyphs for
566 root 1.1 characters. The first font defines the cell size for characters;
567 root 1.45 other fonts might be smaller, but not (in general) larger. A
568     (hopefully) reasonable default font list is always appended to it;
569     option -fn.
570 root 1.1
571     Each font can either be a standard X11 core font (XLFD) name, with
572 root 1.3 optional prefix "x:" or a Xft font (Compile *xft*), prefixed with
573 root 1.1 "xft:".
574    
575     In addition, each font can be prefixed with additional hints and
576     specifications enclosed in square brackets ("[]"). The only
577     available hint currently is "codeset=codeset-name", and this is only
578     used for Xft fonts.
579    
580     For example, this font resource
581    
582 root 1.46 URxvt.font: 9x15bold,\
583 root 1.1 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\
584     -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \
585     [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \
586     xft:Code2000:antialias=false
587    
588     specifies five fonts to be used. The first one is "9x15bold"
589     (actually the iso8859-1 version of the second font), which is the
590     base font (because it is named first) and thus defines the character
591     cell grid to be 9 pixels wide and 15 pixels high.
592    
593     The second font is just used to add additional unicode characters
594     not in the base font, likewise the third, which is unfortunately
595     non-bold, but the bold version of the font does contain less
596     characters, so this is a useful supplement.
597    
598     The third font is an Xft font with aliasing turned off, and the
599     characters are limited to the JIS 0208 codeset (i.e. japanese
600     kanji). The font contains other characters, but we are not
601     interested in them.
602    
603     The last font is a useful catch-all font that supplies most of the
604     remaining unicode characters.
605    
606     boldFont: *fontlist*
607     italicFont: *fontlist*
608     boldItalicFont: *fontlist*
609     The font list to use for displaying bold, *italic* or *bold italic*
610     characters, respectively.
611    
612     If specified and non-empty, then the syntax is the same as for the
613     font-resource, and the given font list will be used as is, which
614     makes it possible to substitute completely different font styles for
615     bold and italic.
616    
617     If unset (the default), a suitable font list will be synthesized by
618     "morphing" the normal text font list into the desired shape. If that
619     is not possible, replacement fonts of the desired shape will be
620     tried.
621    
622     If set, but empty, then this specific style is disabled and the
623     normal text font will being used for the given style.
624    
625 root 1.29 intensityStyles: *boolean*
626     When font styles are not enabled, or this option is enabled (True,
627     option -is, the default), bold and italic font styles imply high
628 root 1.62 intensity foreground/background colours. Disabling this option
629 root 1.29 (False, option +is) disables this behaviour, the high intensity
630     colours are not reachable.
631    
632 root 1.1 selectstyle: *mode*
633     Set mouse selection style to old which is 2.20, oldword which is
634     xterm style with 2.20 old word selection, or anything else which
635     gives xterm style selection.
636    
637     scrollstyle: *mode*
638     Set scrollbar style to rxvt, plain, next or xterm. plain is the
639 root 1.22 author's favourite.
640 root 1.1
641     title: *string*
642     Set window title string, the default title is the command-line
643     specified after the -e option, if any, otherwise the application
644     name; option -title.
645    
646     iconName: *string*
647     Set the name used to label the window's icon or displayed in an icon
648     manager window, it also sets the window's title unless it is
649     explicitly set; option -n.
650    
651     mapAlert: *boolean*
652     True: de-iconify (map) on receipt of a bell character. False: no
653     de-iconify (map) on receipt of a bell character [default].
654    
655     visualBell: *boolean*
656     True: use visual bell on receipt of a bell character; option -vb.
657     False: no visual bell [default]; option +vb.
658    
659     loginShell: *boolean*
660     True: start as a login shell by prepending a `-' to argv[0] of the
661     shell; option -ls. False: start as a normal sub-shell [default];
662     option +ls.
663    
664     utmpInhibit: *boolean*
665     True: inhibit writing record into the system log file utmp; option
666     -ut. False: write record into the system log file utmp [default];
667     option +ut.
668    
669     print-pipe: *string*
670     Specify a command pipe for vt100 printer [default *lpr(1)*]. Use
671     Print to initiate a screen dump to the printer and Ctrl-Print or
672     Shift-Print to include the scrollback as well.
673    
674 root 1.23 The string will be interpreted as if typed into the shell as-is.
675    
676     Example:
677    
678 root 1.46 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
679 root 1.23
680     This creates a new file in your home directory with the screen
681 root 1.62 contents every time you hit "Print".
682 root 1.23
683 root 1.1 scrollBar: *boolean*
684     True: enable the scrollbar [default]; option -sb. False: disable the
685     scrollbar; option +sb.
686    
687     scrollBar_right: *boolean*
688     True: place the scrollbar on the right of the window; option -sr.
689     False: place the scrollbar on the left of the window; option +sr.
690    
691     scrollBar_floating: *boolean*
692     True: display an rxvt scrollbar without a trough; option -st. False:
693     display an rxvt scrollbar with a trough; option +st.
694    
695     scrollBar_align: *mode*
696     Align the top, bottom or centre [default] of the scrollbar thumb
697     with the pointer on middle button press/drag.
698    
699     scrollTtyOutput: *boolean*
700     True: scroll to bottom when tty receives output; option -si. False:
701     do not scroll to bottom when tty receives output; option +si.
702    
703     scrollWithBuffer: *boolean*
704     True: scroll with scrollback buffer when tty receives new lines (and
705 root 1.16 scrollTtyOutput is False); option -sw. False: do not scroll with
706 root 1.62 scrollback buffer when tty receives new lines; option +sw.
707 root 1.1
708     scrollTtyKeypress: *boolean*
709     True: scroll to bottom when a non-special key is pressed. Special
710     keys are those which are intercepted by rxvt-unicode for special
711     handling and are not passed onto the shell; option -sk. False: do
712     not scroll to bottom when a non-special key is pressed; option +sk.
713    
714     saveLines: *number*
715     Save *number* lines in the scrollback buffer [default 64]. This
716     resource is limited on most machines to 65535; option -sl.
717    
718     internalBorder: *number*
719     Internal border of *number* pixels. This resource is limited to 100;
720     option -b.
721    
722     externalBorder: *number*
723     External border of *number* pixels. This resource is limited to 100;
724     option -w, -bw, -borderwidth.
725    
726     borderLess: *boolean*
727     Set MWM hints to request a borderless window, i.e. if honoured by
728     the WM, the rxvt-unicode window will not have window decorations;
729     option -bl.
730    
731 root 1.36 skipBuiltinGlyphs: *boolean*
732     Compile *frills*: Disable the usage of the built-in block
733     graphics/line drawing characters and just rely on what the specified
734     fonts provide. Use this if you have a good font and want to use its
735     block graphic glyphs; option -sbg.
736    
737 root 1.1 termName: *termname*
738     Specifies the terminal type name to be set in the TERM environment
739     variable; option -tn.
740    
741     linespace: *number*
742     Specifies number of lines (pixel height) to insert between each row
743     of the display [default 0]; option -lsp.
744    
745     meta8: *boolean*
746     True: handle Meta (Alt) + keypress to set the 8th bit. False: handle
747     Meta (Alt) + keypress as an escape prefix [default].
748    
749     mouseWheelScrollPage: *boolean*
750     True: the mouse wheel scrolls a page full. False: the mouse wheel
751     scrolls five lines [default].
752    
753     pastableTabs: *boolean*
754     True: store tabs as wide characters. False: interpret tabs as cursor
755     movement only; option "-ptab".
756    
757     cursorBlink: *boolean*
758     True: blink the cursor. False: do not blink the cursor [default];
759     option -bc.
760    
761     pointerBlank: *boolean*
762     True: blank the pointer when a key is pressed or after a set number
763     of seconds of inactivity. False: the pointer is always visible
764     [default].
765    
766     pointerColor: *colour*
767     Mouse pointer foreground colour.
768    
769     pointerColor2: *colour*
770     Mouse pointer background colour.
771    
772     pointerBlankDelay: *number*
773     Specifies number of seconds before blanking the pointer [default 2].
774 root 1.20 Use a large number (e.g. 987654321) to effectively disable the
775     timeout.
776 root 1.1
777     backspacekey: *string*
778     The string to send when the backspace key is pressed. If set to DEC
779     or unset it will send Delete (code 127) or, if shifted, Backspace
780     (code 8) - which can be reversed with the appropriate DEC private
781     mode escape sequence.
782    
783     deletekey: *string*
784     The string to send when the delete key (not the keypad delete key)
785     is pressed. If unset it will send the sequence traditionally
786     associated with the Execute key.
787    
788     cutchars: *string*
789 root 1.52 The characters used as delimiters for double-click word selection
790     (whitespace delimiting is added automatically if resource is given).
791    
792     When the selection extension is in use (the default if compiled in,
793 root 1.62 see the rxvtperl(3) manpage), a suitable regex using these
794 root 1.52 characters will be created (if the resource exists, otherwise, no
795     regex will be created). In this mode, characters outside ISO-8859-1
796     can be used.
797    
798     When the selection extension is not used, only ISO-8859-1 characters
799     can be used. If not specified, the built-in default is used:
800 root 1.1
801     BACKSLASH `"'&()*,;<=>?@[]{|}
802    
803     preeditType: *style*
804     OverTheSpot, OffTheSpot, Root; option -pt.
805    
806     inputMethod: *name*
807     *name* of inputMethod to use; option -im.
808    
809     imLocale: *name*
810 root 1.6 The locale to use for opening the IM. You can use an "LC_CTYPE" of
811     e.g. "de_DE.UTF-8" for normal text processing but "ja_JP.EUC-JP" for
812     the input extension to be able to input japanese characters while
813 root 1.30 staying in another locale; option -imlocale.
814 root 1.1
815 root 1.6 imFont: *fontset*
816     Specify the font-set used for XIM styles "OverTheSpot" or
817     "OffTheSpot". It must be a standard X font set (XLFD patterns
818     separated by commas), i.e. it's not in the same format as the other
819 root 1.62 font lists used in rxvt. The default will be set-up to chose *any*
820 root 1.6 suitable found found, preferably one or two pixels differing in size
821     to the base font. option -imfont.
822    
823     tripleclickwords: *boolean*
824     Change the meaning of triple-click selection with the left mouse
825     button. Instead of selecting a full line it will extend the
826 root 1.30 selection to the end of the logical line only; option -tcw.
827 root 1.6
828 root 1.1 insecure: *boolean*
829     Enables "insecure" mode. Rxvt-unicode offers some escape sequences
830     that echo arbitrary strings like the icon name or the locale. This
831     could be abused if somebody gets 8-bit-clean access to your display,
832 root 1.26 whether through a mail client displaying mail bodies unfiltered or
833     through write(1) or any other means. Therefore, these sequences are
834     disabled by default. (Note that many other terminals, including
835     xterm, have these sequences enabled by default, which doesn't make
836     it safer, though).
837    
838     You can enable them by setting this boolean resource or specifying
839     -insecure as an option. At the moment, this enables display-answer,
840 root 1.46 locale, findfont, icon label and window title requests.
841 root 1.1
842     modifier: *modifier*
843     Set the key to be interpreted as the Meta key to: alt, meta, hyper,
844     super, mod1, mod2, mod3, mod4, mod5; option -mod.
845    
846     answerbackString: *string*
847     Specify the reply rxvt-unicode sends to the shell when an ENQ
848     (control-E) character is passed through. It may contain escape
849     values as described in the entry on keysym following.
850    
851 root 1.48 secondaryScreen: *boolean*
852 root 1.1 Turn on/off secondary screen (default enabled).
853    
854 root 1.48 secondaryScroll: *boolean*
855 root 1.1 Turn on/off secondary screen scroll (default enabled). If the this
856     option is enabled, scrolls on the secondary screen will change the
857     scrollback buffer and switching to/from the secondary screen will
858     instead scroll the screen up.
859    
860 root 1.48 hold: *boolean*
861 root 1.62 Turn on/off hold window after exit support. If enabled, rxvt will
862 root 1.27 not immediately destroy its window when the program executed within
863     it exits. Instead, it will wait till it is being killed or closed by
864     the user.
865    
866 root 1.1 keysym.*sym*: *string*
867 root 1.3 Compile *frills*: Associate *string* with keysym *sym*. The
868     intervening resource name keysym. cannot be omitted.
869    
870     The format of *sym* is "*(modifiers-)key*", where *modifiers* can be
871     any combination of ISOLevel3, AppKeypad, Control, NumLock, Shift,
872     Meta, Lock, Mod1, Mod2, Mod3, Mod4, Mod5, and the abbreviated I, K,
873     C, N, S, M, A, L, 1, 2, 3, 4, 5.
874    
875     The NumLock, Meta and ISOLevel3 modifiers are usually aliased to
876     whatever modifier the NumLock key, Meta/Alt keys or ISO Level3
877 root 1.6 Shift/AltGr keys are being mapped. AppKeypad is a synthetic modifier
878     mapped to the current application keymap mode state.
879 root 1.3
880     The spellings of *key* can be obtained by using xev(1) command or
881 root 1.2 searching keysym macros from /usr/X11R6/include/X11/keysymdef.h and
882 root 1.3 omitting the prefix XK_. Alternatively you can specify *key* by its
883     hex keysym value (0x0000 - 0xFFFF). Note that the lookup of *sym*s
884     is not performed in an exact manner; however, the closest match is
885 root 1.2 assured.
886    
887 root 1.3 *string* may contain escape values ("\a": bell, "\b": backspace,
888     "\e", "\E": escape, "\n": newline, "\r": carriage return, "\t": tab,
889     "\000": octal number) or verbatim control characters ("^?": delete,
890     "^@": null, "^A" ...) and may be enclosed with double quotes so that
891 root 1.63 it can start or end with whitespace. This feature is deprecated and
892     will be removed.
893 root 1.2
894 root 1.42 Please note that you need to double the "\" in resource files, as
895 root 1.60 Xlib itself does its own de-escaping (you can use "\033" instead of
896 root 1.62 "\e" (and so on), which will work with both Xt and rxvt's own
897 root 1.42 processing).
898 root 1.11
899 root 1.2 You can define a range of keysyms in one shot by providing a
900 root 1.62 *string* with pattern list/PREFIX/MIDDLE/SUFFIX, where the delimiter
901 root 1.3 `/' should be a character not used by the strings.
902 root 1.2
903 root 1.3 Its usage can be demonstrated by an example:
904    
905 root 1.11 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|>
906 root 1.2
907     The above line is equivalent to the following three lines:
908 root 1.3
909 root 1.11 URxvt.keysym.Meta-Control-0x61: \033<M-C-a>
910     URxvt.keysym.Meta-Control-0x62: \033<M-C-b>
911     URxvt.keysym.Meta-Control-0x63: \033<M-C-c>
912 root 1.3
913 root 1.11 If *string* takes the form of "command:STRING", the specified STRING
914 root 1.62 is interpreted and executed as rxvt's control sequence. For example
915 root 1.6 the following means "change the current locale to "zh_CN.GBK" when
916     Control-Meta-c is being pressed":
917    
918 root 1.11 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
919 root 1.6
920 root 1.32 If *string* takes the form "perl:STRING", then the specified STRING
921     is passed to the "on_keyboard_command" perl handler. See the
922 root 1.62 rxvtperl(3) manpage. For example, the selection extension (activated
923     via "rxvt -pe selection") listens for "selection:rot13" events:
924 root 1.32
925     URxvt.keysym.M-C-c: perl:selection:rot13
926    
927 root 1.21 Due the the large number of modifier combinations, a defined key
928     mapping will match if at *at least* the specified identifiers are
929     being set, and no other key mappings with those and more bits are
930     being defined. That means that defining a key map for "a" will
931     automatically provide definitions for "Meta-a", "Shift-a" and so on,
932     unless some of those are defined mappings themselves.
933    
934     Unfortunately, this will override built-in key mappings. For example
935 root 1.62 if you overwrite the "Insert" key you will disable rxvt's
936 root 1.21 "Shift-Insert" mapping. To re-enable that, you can poke "holes" into
937     the user-defined keymap using the "builtin:" replacement:
938    
939     URxvt.keysym.Insert: <my insert key sequence>
940     URxvt.keysym.S-Insert: builtin:
941    
942     The first line defines a mapping for "Insert" and *any* combination
943     of modifiers. The second line re-establishes the default mapping for
944     "Shift-Insert".
945    
946 root 1.6 The following example will map Control-Meta-1 and Control-Meta-2 to
947 root 1.11 the fonts "suxuseuro" and "9x15bold", so you can have some limited
948 root 1.6 font-switching at runtime:
949    
950 root 1.11 URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007
951     URxvt.keysym.M-C-2: command:\033]50;9x15bold\007
952    
953 root 1.62 Other things are possible, e.g. resizing (see rxvt(7) for more
954 root 1.11 info):
955 root 1.6
956 root 1.11 URxvt.keysym.M-C-3: command:\033[8;25;80t
957     URxvt.keysym.M-C-4: command:\033[8;48;110t
958 root 1.1
959 root 1.35 perl-ext-common: *string*
960 root 1.31 perl-ext: *string*
961 root 1.38 Comma-separated list(s) of perl extension scripts (default:
962     "default") to use in this terminal instance; option -pe.
963    
964     Extension names can be prefixed with a "-" sign to prohibit using
965 root 1.40 them. This can be useful to selectively disable some extensions
966     loaded by default, or specified via the "perl-ext-common" resource.
967     For example, "default,-selection" will use all the default extension
968 root 1.38 except "selection".
969    
970 root 1.40 Extension names can also be followed by an argument in angle
971     brackets (e.g. "searchable-scrollback<M-s>", which binds the hotkey
972 root 1.62 for searchable scrollback to Alt/Meta-s). Mentioning the same
973 root 1.40 extension multiple times with different arguments will pass multiple
974     arguments to the extension.
975    
976 root 1.38 Each extension is looked up in the library directories, loaded if
977     necessary, and bound to the current terminal instance.
978    
979     If both of these resources are the empty string, then the perl
980 root 1.35 interpreter will not be initialized. The idea behind two options is
981     that perl-ext-common will be used for extensions that should be
982     available to all instances, while perl-ext is used for specific
983 root 1.38 instances.
984 root 1.30
985     perl-eval: *string*
986 root 1.31 Perl code to be evaluated when all extensions have been registered.
987 root 1.62 See the rxvtperl(3) manpage. Due to security reasons, this resource
988 root 1.39 will be ignored when running setuid/setgid.
989 root 1.30
990     perl-lib: *path*
991 root 1.31 Colon-separated list of additional directories that hold extension
992     scripts. When looking for extensions specified by the "perl"
993 root 1.62 resource, rxvt will first look in these directories and then in
994     /opt/rxvt/lib/urxvt/perl/. Due to security reasons, this resource
995 root 1.39 will be ignored when running setuid/setgid.
996 root 1.30
997 root 1.62 See the rxvtperl(3) manpage.
998 root 1.30
999 root 1.44 selection.pattern-*idx*: *perl-regex*
1000 root 1.62 Additional selection patterns, see the rxvtperl(3) manpage for
1001 root 1.44 details.
1002    
1003     selection-autotransform.*idx*: *perl-transform*
1004 root 1.62 Selection auto-transform patterns, see the rxvtperl(3) manpage for
1005 root 1.44 details.
1006    
1007 root 1.43 searchable-scrollback: *keysym*
1008     Sets the hotkey that starts the incremental scrollback buffer search
1009     (default: "M-s").
1010    
1011 root 1.41 urlLauncher: *string*
1012     Specifies the program to be started with a URL argument. Used by the
1013 root 1.64 "selection-popup" and "matcher" perl extensions.
1014 root 1.41
1015 root 1.39 transient-for: *windowid*
1016 root 1.48 Compile *frills*: Sets the WM_TRANSIENT_FOR property to the given
1017     window id.
1018    
1019     override-redirect: *boolean*
1020     Compile *frills*: Sets override-redirect for the terminal window,
1021     making it almost invisible to window managers; option
1022     -override-redirect.
1023 root 1.39
1024 root 1.1 THE SCROLLBAR
1025 root 1.62 Lines of text that scroll off the top of the rxvt window (resource:
1026 root 1.1 saveLines) and can be scrolled back using the scrollbar or by
1027 root 1.62 keystrokes. The normal rxvt scrollbar has arrows and its behaviour is
1028 root 1.1 fairly intuitive. The xterm-scrollbar is without arrows and its
1029     behaviour mimics that of *xterm*
1030    
1031     Scroll down with Button1 (xterm-scrollbar) or Shift-Next. Scroll up with
1032     Button3 (xterm-scrollbar) or Shift-Prior. Continuous scroll with
1033     Button2.
1034    
1035     MOUSE REPORTING
1036     To temporarily override mouse reporting, for either the scrollbar or the
1037     normal text selection/insertion, hold either the Shift or the Meta (Alt)
1038     key while performing the desired mouse action.
1039    
1040     If mouse reporting mode is active, the normal scrollbar actions are
1041     disabled -- on the assumption that we are using a fullscreen
1042 root 1.11 application. Instead, pressing Button1 and Button3 sends ESC [ 6 ~
1043     (Next) and ESC [ 5 ~ (Prior), respectively. Similarly, clicking on the
1044     up and down arrows sends ESC [ A (Up) and ESC [ B (Down), respectively.
1045 root 1.1
1046     TEXT SELECTION AND INSERTION
1047     The behaviour of text selection and insertion mechanism is similar to
1048     *xterm*(1).
1049    
1050     Selection:
1051     Left click at the beginning of the region, drag to the end of the
1052     region and release; Right click to extend the marked region; Left
1053     double-click to select a word; Left triple-click to select the
1054 root 1.6 entire logical line (which can span multiple screen lines), unless
1055     modified by resource tripleclickwords.
1056 root 1.1
1057     Starting a selection while pressing the Meta key (or Meta+Ctrl keys)
1058 root 1.3 (Compile: *frills*) will create a rectangular selection instead of a
1059 root 1.28 normal one. In this mode, every selected row becomes its own line in
1060     the selection, and trailing whitespace is visually underlined and
1061     removed from the selection.
1062 root 1.1
1063     Insertion:
1064 root 1.62 Pressing and releasing the Middle mouse button in an rxvt window
1065 root 1.51 causes the value of the PRIMARY selection (or CLIPBOARD with the
1066     Meta modifier) to be inserted as if it had been typed on the
1067     keyboard.
1068    
1069     Pressing Shift-Insert causes the value of the PRIMARY selection to
1070     be inserted too.
1071 root 1.1
1072     CHANGING FONTS
1073     Changing fonts (or font sizes, respectively) via the keypad is not yet
1074     supported in rxvt-unicode. Bug me if you need this.
1075    
1076 root 1.46 You can, however, switch fonts at runtime using escape sequences, e.g.:
1077 root 1.1
1078 root 1.26 printf '\e]710;%s\007' "9x15bold,xft:Kochi Gothic"
1079 root 1.1
1080 root 1.46 You can use keyboard shortcuts, too:
1081    
1082     URxvt.keysym.M-C-1: command:\033]710;suxuseuro\007\033]711;suxuseuro\007
1083     URxvt.keysym.M-C-2: command:\033]710;9x15bold\007\033]711;9x15bold\007
1084    
1085 root 1.1 rxvt-unicode will automatically re-apply these fonts to the output so
1086     far.
1087    
1088     ISO 14755 SUPPORT
1089     ISO 14755 is a standard for entering and viewing unicode characters and
1090     character codes using the keyboard. It consists of 4 parts. The first
1091     part is available rxvt-unicode has been compiled with "--enable-frills",
1092     the rest is available when rxvt-unicode was compiled with
1093     "--enable-iso14755".
1094    
1095 root 1.63 * 5.1: Basic method
1096 root 1.1 This allows you to enter unicode characters using their hexcode.
1097    
1098     Start by pressing and holding both "Control" and "Shift", then enter
1099     hex-digits (between one and six). Releasing "Control" and "Shift"
1100     will commit the character as if it were typed directly. While
1101     holding down "Control" and "Shift" you can also enter multiple
1102     characters by pressing "Space", which will commit the current
1103     character and lets you start a new one.
1104    
1105     As an example of use, imagine a business card with a japanese e-mail
1106     address, which you cannot type. Fortunately, the card has the e-mail
1107     address printed as hexcodes, e.g. "671d 65e5". You can enter this
1108     easily by pressing "Control" and "Shift", followed by
1109     "6-7-1-D-SPACE-6-5-E-5", followed by releasing the modifier keys.
1110    
1111 root 1.63 * 5.2: Keyboard symbols entry method
1112 root 1.1 This mode lets you input characters representing the keycap symbols
1113     of your keyboard, if representable in the current locale encoding.
1114    
1115     Start by pressing "Control" and "Shift" together, then releasing
1116     them. The next special key (cursor keys, home etc.) you enter will
1117 root 1.60 not invoke its usual function but instead will insert the
1118 root 1.1 corresponding keycap symbol. The symbol will only be entered when
1119     the key has been released, otherwise pressing e.g. "Shift" would
1120     enter the symbol for "ISO Level 2 Switch", although your intention
1121     might have been to enter a reverse tab (Shift-Tab).
1122    
1123 root 1.63 * 5.3: Screen-selection entry method
1124 root 1.1 While this is implemented already (it's basically the selection
1125     mechanism), it could be extended by displaying a unicode character
1126     map.
1127    
1128 root 1.63 * 5.4: Feedback method for identifying displayed characters for later
1129     input
1130 root 1.1 This method lets you display the unicode character code associated
1131     with characters already displayed.
1132    
1133     You enter this mode by holding down "Control" and "Shift" together,
1134     then pressing and holding the left mouse button and moving around.
1135     The unicode hex code(s) (it might be a combining character) of the
1136     character under the pointer is displayed until you release "Control"
1137     and "Shift".
1138    
1139     In addition to the hex codes it will display the font used to draw
1140     this character - due to implementation reasons, characters combined
1141     with combining characters, line drawing characters and unknown
1142     characters will always be drawn using the built-in support font.
1143    
1144     With respect to conformance, rxvt-unicode is supposed to be compliant to
1145     both scenario A and B of ISO 14755, including part 5.2.
1146    
1147     LOGIN STAMP
1148 root 1.62 rxvt tries to write an entry into the *utmp*(5) file so that it can be
1149 root 1.1 seen via the *who(1)* command, and can accept messages. To allow this
1150 root 1.62 feature, rxvt may need to be installed setuid root on some systems or
1151 root 1.6 setgid to root or to some other group on others.
1152 root 1.1
1153     COLORS AND GRAPHICS
1154 root 1.62 In addition to the default foreground and background colours, rxvt can
1155 root 1.1 display up to 16 colours (8 ANSI colours plus high-intensity bold/blink
1156 root 1.54 versions of the same). Here is a list of the colours with their names.
1157 root 1.1
1158 root 1.63 color0 (black) = Black
1159     color1 (red) = Red3
1160     color2 (green) = Green3
1161     color3 (yellow) = Yellow3
1162     color4 (blue) = Blue3
1163     color5 (magenta) = Magenta3
1164     color6 (cyan) = Cyan3
1165     color7 (white) = AntiqueWhite
1166     color8 (bright black) = Grey25
1167     color9 (bright red) = Red
1168     color10 (bright green) = Green
1169     color11 (bright yellow) = Yellow
1170     color12 (bright blue) = Blue
1171     color13 (bright magenta) = Magenta
1172     color14 (bright cyan) = Cyan
1173     color15 (bright white) = White
1174     foreground = Black
1175     background = White
1176    
1177 root 1.1 It is also possible to specify the colour values of foreground,
1178     background, cursorColor, cursorColor2, colorBD, colorUL as a number
1179     0-15, as a convenient shorthand to reference the colour name of
1180     color0-color15.
1181    
1182 root 1.62 In addition to the colours defined above, rxvt offers an additional 72
1183 root 1.57 colours. The first 64 of those (with indices 16 to 79) consist of a
1184     4*4*4 RGB colour cube (i.e. *index = r * 16 + g * 4 + b + 16*), followed
1185     by 8 additional shades of gray (with indices 80 to 87).
1186    
1187     Together, all those colours implement the 88 colour xterm colours. Only
1188     the first 16 can be changed using resources currently, the rest can only
1189     be changed via command sequences ("escape codes").
1190    
1191 root 1.1 Note that -rv ("reverseVideo: True") simulates reverse video by always
1192     swapping the foreground/background colours. This is in contrast to
1193     *xterm*(1) where the colours are only swapped if they have not otherwise
1194     been specified. For example,
1195    
1196 root 1.62 rxvt -fg Black -bg White -rv
1197 root 1.1 would yield White on Black, while on *xterm*(1) it would yield Black
1198     on White.
1199    
1200 root 1.56 ALPHA CHANNEL SUPPORT
1201     If Xft support has been compiled in and as long as Xft/Xrender/X don't
1202     get their act together, rxvt-unicode will support
1203     "rgba:rrrr/gggg/bbbb/aaaa" (recommended, but MUST have 4
1204     digits/component) colour specifications, in addition to the ones
1205     provided by X, where the additional A component specifies opacity
1206     (alpha) values. The minimum value of 0 is completely transparent). You
1207 root 1.64 can also prefix any color with "[percent]", where "percent" is a decimal
1208     percentage (0-100) that specifies the opacity of the color, where 0 is
1209     completely transparent and 100 is completelxy opaque.
1210 root 1.56
1211     You probably need to specify "-depth 32", too, and have the luck that
1212     your X-server uses ARGB pixel layout, as X is far from just supporting
1213     ARGB visuals out of the box, and rxvt-unicode just fudges around.
1214    
1215     For example, the following selects an almost completely transparent red
1216     background, and an almost opaque pink foreground:
1217    
1218 root 1.64 rxvt -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink"
1219 root 1.56
1220     *Please note that transparency of any kind if completely unsupported by
1221     the author. Don't bug him with installation questions!*
1222    
1223 root 1.1 ENVIRONMENT
1224 root 1.62 rxvt sets and/or uses the following environment variables:
1225 root 1.11
1226     TERM
1227     Normally set to "rxvt-unicode", unless overwritten at configure
1228 root 1.62 time, via resources or on the command line.
1229 root 1.11
1230     COLORTERM
1231 root 1.62 Either "rxvt", "rxvt-xpm", depending on whether rxvt was compiled
1232 root 1.11 with XPM support, and optionally with the added extension "-mono" to
1233     indicate that rxvt-unicode runs on a monochrome screen.
1234    
1235     COLORFGBG
1236     Set to a string of the form "fg;bg" or "fg;xpm;bg", where "fg" is
1237     the colour code used as default foreground/text colour (or the
1238     string "default" to indicate that the default-colour escape sequence
1239     is to be used), "bg" is the colour code used as default background
1240     colour (or the string "default"), and "xpm" is the string "default"
1241 root 1.62 if rxvt was compiled with XPM support. Libraries like "ncurses" and
1242 root 1.12 "slang" can (and do) use this information to optimize screen output.
1243 root 1.11
1244     WINDOWID
1245 root 1.62 Set to the (decimal) X Window ID of the rxvt window (the toplevel
1246 root 1.11 window, which usually has subwindows for the scrollbar, the terminal
1247     window and so on).
1248    
1249     TERMINFO
1250 root 1.62 Set to the terminfo directory iff rxvt was configured with
1251 root 1.11 "--with-terminfo=PATH".
1252    
1253     DISPLAY
1254 root 1.62 Used by rxvt to connect to the display and set to the correct
1255 root 1.60 display in its child processes.
1256 root 1.11
1257     SHELL
1258     The shell to be used for command execution, defaults to "/bin/sh".
1259    
1260     RXVT_SOCKET
1261 root 1.62 The unix domain socket path used by rxvtc(1) and rxvtd(1).
1262 root 1.11
1263 root 1.23 Default $HOME/.rxvt-unicode-*<nodename*.
1264 root 1.11
1265     HOME
1266     Used to locate the default directory for the unix domain socket for
1267     daemon communications and to locate various resource files (such as
1268     ".Xdefaults")
1269    
1270     XAPPLRESDIR
1271     Directory where various X resource files are being located.
1272    
1273     XENVIRONMENT
1274     If set and accessible, gives the name of a X resource file to be
1275 root 1.62 loaded by rxvt.
1276 root 1.1
1277     FILES
1278     /usr/lib/X11/rgb.txt
1279     Color names.
1280    
1281     SEE ALSO
1282 root 1.62 rxvt(7), rxvtc(1), rxvtd(1), xterm(1), sh(1), resize(1), X(1), pty(4),
1283     tty(4), utmp(5)
1284 root 1.1
1285     CURRENT PROJECT COORDINATOR
1286     Project Coordinator
1287 root 1.13 Marc A. Lehmann <rxvt-unicode@schmorp.de>
1288 root 1.1
1289 root 1.59 <http://software.schmorp.de/pkg/rxvt-unicode.html>
1290 root 1.1
1291     AUTHORS
1292     John Bovey
1293     University of Kent, 1992, wrote the original Xvt.
1294    
1295     Rob Nation <nation@rocket.sanders.lockheed.com>
1296     very heavily modified Xvt and came up with Rxvt
1297    
1298     Angelo Haritsis <ah@doc.ic.ac.uk>
1299     wrote the Greek Keyboard Input (no longer in code)
1300    
1301     mj olesen <olesen@me.QueensU.CA>
1302     Wrote the menu system.
1303    
1304     Project Coordinator (changes.txt 2.11 to 2.21)
1305    
1306     Oezguer Kesim <kesim@math.fu-berlin.de>
1307     Project Coordinator (changes.txt 2.21a to 2.4.5)
1308    
1309     Geoff Wing <gcw@pobox.com>
1310 root 1.48 Rewrote screen display and text selection routines.
1311    
1312     Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1313 root 1.1
1314 root 1.13 Marc Alexander Lehmann <rxvt-unicode@schmorp.de>
1315 root 1.48 Forked rxvt-unicode, unicode support, rewrote almost all the code,
1316     perl extension, random hacks, numerous bugfixes and extensions.
1317 root 1.1
1318     Project Coordinator (Changes 1.0 -)
1319    
1320 root 1.48 Emanuele Giaquinta <e.giaquinta@glauco.it>
1321 root 1.49 Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing.
1322 root 1.48