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Revision 1.60 by root, Thu Feb 17 15:13:47 2005 UTC vs.
Revision 1.194 by sf-exg, Wed Mar 9 13:24:30 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[;geom[:op1][:op2][...]]>
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 its scaling with a geometry string. 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
395Here is a short Gtk2-perl snippet that illustrates how this option can be 506Here is a short Gtk2-perl snippet that illustrates how this option can be
396used (a longer example is in F<doc/embed>): 507used (a longer example is in F<doc/embed>):
397 508
398 my $rxvt = new Gtk2::DrawingArea; 509 my $rxvt = new Gtk2::Socket;
399 $...->add ($rxvt); # important to add it somewhere first 510 $rxvt->signal_connect_after (realize => sub {
400 $rxvt->realize; # now it can be realized
401 my $xid = $rxvt->window->get_xid; 511 my $xid = $_[0]->window->get_xid;
402
403 system "@@RXVT_NAME@@ -embed $xid &"; 512 system "@@RXVT_NAME@@ -embed $xid &";
513 });
404 514
405=item B<-pty-fd> I<fileno> 515=item B<-pty-fd> I<file descriptor>
406 516
407Tells @@RXVT_NAME@@ NOT to execute any commands or create a new pty/tty 517Tells @@RXVT_NAME@@ NOT to execute any commands or create a new pty/tty
408pair but instead use the given filehandle as the tty master. This is 518pair but instead use the given file descriptor as the tty master. This is
409useful if you want to drive @@RXVT_NAME@@ as a generic terminal emulator 519useful if you want to drive @@RXVT_NAME@@ as a generic terminal emulator
410without having to run a program within it. 520without having to run a program within it.
411 521
412If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 522If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
413entries and will not tinker with pty/tty permissions - you have to do that 523entries and will not tinker with pty/tty permissions - you have to do that
414yourself if you want 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.
415 529
416Here is a example in perl that illustrates how this option can be used (a 530Here is a example in perl that illustrates how this option can be used (a
417longer example is in F<doc/pty-fd>): 531longer example is in F<doc/pty-fd>):
418 532
419 use IO::Pty; 533 use IO::Pty;
426 540
427 # now communicate with rxvt 541 # now communicate with rxvt
428 my $slave = $pty->slave; 542 my $slave = $pty->slave;
429 while (<$slave>) { print $slave "got <$_>\n" } 543 while (<$slave>) { print $slave "got <$_>\n" }
430 544
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
431=back 550=back
432 551
433=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
434 553
435Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
436options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
437 557
438There 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
439Xresource data: using the X libraries (Xrm*-functions) or internal 559distribution do also load settings from the B<~/.Xresources> file when X
440Xresources reader (B<~/.Xdefaults>). For the first method (ie. 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
441B<@@RXVT_NAME@@ -h> lists B<XGetDefaults>), you can set and change the 561with later settings overwriting earlier ones:
442resources using X11 tools like B<xrdb>. Many distribution do also load
443settings from the B<~/.Xresources> file when X starts. @@RXVT_NAME@@
444will consult the following files/resources in order, with later settings
445overwriting earlier ones:
446 562
447 1. system-wide app-defaults file, either locale-dependent OR global
448 2. app-defaults file in $XAPPLRESDIR 563 1. app-defaults file in $XAPPLRESDIR
564 2. $HOME/.Xdefaults
449 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 565 3. RESOURCE_MANAGER property on root-window of screen 0
450 4. SCREEN_RESOURCES for the current screen 566 4. SCREEN_RESOURCES property on root-window of the current screen
451 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
568 6. resources specified via -xrm on the commandline
452 569
453If compiled with internal Xresources support (i.e. B<@@RXVT_NAME@@ -h>
454lists B<.Xdefaults>) then B<@@RXVT_NAME@@> accepts application defaults
455set in XAPPLOADDIR/URxvt (compile-time defined: usually
456B</usr/lib/X11/app-defaults/URxvt>) and resources set in
457B<~/.Xdefaults>, or B<~/.Xresources> if B<~/.Xdefaults> does not exist.
458Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
459class 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
460resources 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
461easily configured, while the class name B<URxvt> allows resources 573configured, while the class name B<URxvt> allows resources unique to
462unique to B<@@RXVT_NAME@@>, notably colours and key-handling, to be 574B<@@RXVT_NAME@@>, to be shared between different B<@@RXVT_NAME@@>
463shared between different B<@@RXVT_NAME@@> configurations. If no 575configurations. If no resources are specified, suitable defaults will
464resources are specified, suitable defaults will be used. Command-line 576be used. Command-line arguments can be used to override resource
465arguments can be used to override resource settings. The following 577settings. The following resources are supported (you might want to
466resources are allowed: 578check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl
579extensions not documented here):
467 580
468=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.
469 594
470=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
471 596
472Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
473option B<-geometry>. 598option B<-geometry>.
487Use 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
488corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
489high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
490colours. 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,
4913=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
492names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
493 618
494Colours 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
495changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
496 621
497Colours 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
508=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
509 634
510Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
511foreground colour is the default. 636foreground colour is the default.
512 637
513=item B<colorRV:> I<colour>
514
515Use the specified colour as the background for reverse video
516characters.
517
518=item B<underlineColor:> I<colour> 638=item B<underlineColor:> I<colour>
519 639
520If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
521itself. 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.
522 652
523=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
524 654
525Use 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
526foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
533 663
534=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
535 665
536B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
537option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
538B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
539 669
540=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
541 671
542B<True>: specify that jump scrolling should be used. When scrolling 672B<True>: specify that jump scrolling should be used. When receiving lots
543quickly, 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
544B<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>.
545 679
546=item B<inheritPixmap:> I<boolean> 680=item B<skipScroll:> I<boolean>
547 681
548B<True>: make the background inherit the parent windows' pixmap, giving 682B<True>: (the default) specify that skip scrolling should be used. When
549artificial transparency. B<False>: do not inherit the parent windows' 683receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
550pixmap. 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.
551 698
552=item B<fading:> I<number> 699=item B<fading:> I<number>
553 700
554Fade 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>.
555 707
556=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
557 709
558Tint 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>.
559 715
560=item B<shading:> I<number> 716=item B<shading:> I<number>
561 717
562Darken (0 .. 100) or lighten (-1 .. -100) the transparent background 718Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
563image 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>.
564 733
565=item B<scrollColor:> I<colour> 734=item B<scrollColor:> I<colour>
566 735
567Use the specified colour for the scrollbar [default #B2B2B2]. 736Use the specified colour for the scrollbar [default #B2B2B2].
568 737
569=item B<troughColor:> I<colour> 738=item B<troughColor:> I<colour>
570 739
571Use the specified colour for the scrollbar's trough area [default 740Use the specified colour for the scrollbar's trough area [default
572#969696]. Only relevant for normal (non XTerm/NeXT) scrollbar. 741#969696]. Only relevant for rxvt (non XTerm/NeXT) scrollbar.
573 742
574=item B<borderColor:> I<colour> 743=item B<borderColor:> I<colour>
575 744
576The 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
577and the text. 746and the text.
578 747
579=item B<backgroundPixmap:> I<file[;geom]> 748=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
580 749
581Use the specified XPM file (note the `.xpm' extension is optional) for 750Use the specified image file for the background and also
582the background and also optionally specify its scaling with a geometry 751optionally specify its scaling with a geometry string B<WxH+X+Y>,
583string B<WxH+X+Y>, in which B<"W" / "H"> specify the 752(default C<100x100+50+50>) in which B<"W" / "H"> specify the
584horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 753horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
585centre (percent). A scale of 0 displays the image with tiling. A scale 754centre (percent). A scale of 0 displays the image with tiling.
586of 1 displays the image without any scaling. A scale of 2 to 9 755The maximum permitted scale is 1000.
587specifies an integer number of images in that direction. No image will 756Additional operations can be specified after colon B<:op1:op2...>.
588be magnified beyond 10 times its original size. The maximum permitted 757Supported operations are:
589scale is 1000. [default 0x0+50+50]
590 758
591=item B<menu:> I<file[;tag]> 759 tile force background image to be tiled and not scaled. Equivalent to 0x0
760 propscale will scale image keeping proportions
761 auto will scale image to match window size. Equivalent to 100x100
762 hscale will scale image horizontally to the window size
763 vscale will scale image vertically to the window size
764 scale will scale image to match window size
765 root will tile image as if it was a root window background, auto-adjusting
766 whenever terminal window moves
592 767
593Read in the specified menu file (note the `.menu' extension is 768If used in conjunction with B<-tr> option, the specified pixmap will be
594optional) and also optionally specify a starting tag to find. See the 769blended over the transparent background using alpha-blending. If I<afterimage>
595reference documentation for details on the syntax for the menuBar. 770support has been compiled in it is possible to choose other blending
771types with B<-blt "type"> option.
596 772
597=item B<path:> I<path> 773=item B<path:> I<path>
598 774
599Specify the colon-delimited search path for finding files (XPM and 775Specify the colon-delimited search path for finding background image files.
600menus), in addition to the paths specified by the B<RXVTPATH> and
601B<PATH> environment variables.
602 776
603=item B<font:> I<fontlist> 777=item B<font:> I<fontlist>
604 778
605Select the fonts to be used. This is a comma separated list of font 779Select the fonts to be used. This is a comma separated list of font names
606names that are used in turn when trying to display Unicode characters. 780that are checked in order when trying to find glyphs for characters. The
607The first font defines the cell size for characters; other fonts might 781first font defines the cell size for characters; other fonts might be
608be smaller, but not larger. A reasonable default font list is always 782smaller, but not (in general) larger. A (hopefully) reasonable default
609appended to it. option B<-fn>. 783font list is always appended to it; option B<-fn>.
610 784
611Each font can either be a standard X11 core font (XLFD) name, with 785Each font can either be a standard X11 core font (XLFD) name, with
612optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>. 786optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>.
613 787
614In addition, each font can be prefixed with additional hints and 788In addition, each font can be prefixed with additional hints and
616hint currently is C<codeset=codeset-name>, and this is only used for Xft 790hint currently is C<codeset=codeset-name>, and this is only used for Xft
617fonts. 791fonts.
618 792
619For example, this font resource 793For example, this font resource
620 794
621 URxvt*font: 9x15bold,\ 795 URxvt.font: 9x15bold,\
622 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\ 796 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\
623 -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \ 797 -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \
624 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \ 798 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \
625 xft:Code2000:antialias=false 799 xft:Code2000:antialias=false
626 800
629it is named first) and thus defines the character cell grid to be 9 pixels 803it is named first) and thus defines the character cell grid to be 9 pixels
630wide and 15 pixels high. 804wide and 15 pixels high.
631 805
632The second font is just used to add additional unicode characters not in 806The second font is just used to add additional unicode characters not in
633the base font, likewise the third, which is unfortunately non-bold, but 807the base font, likewise the third, which is unfortunately non-bold, but
634the bold version of the font does contain less characters, so this is a 808the bold version of the font does contain fewer characters, so this is a
635useful supplement. 809useful supplement.
636 810
637The third font is an Xft font with aliasing turned off, and the characters 811The third font is an Xft font with aliasing turned off, and the characters
638are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 812are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
639contains other characters, but we are not interested in them. 813contains other characters, but we are not interested in them.
660not possible, replacement fonts of the desired shape will be tried. 834not possible, replacement fonts of the desired shape will be tried.
661 835
662If set, but empty, then this specific style is disabled and the normal 836If set, but empty, then this specific style is disabled and the normal
663text font will being used for the given style. 837text font will being used for the given style.
664 838
665=item B<selectstyle:> I<mode> 839=item B<intensityStyles:> I<boolean>
666 840
667Set mouse selection style to B<old> which is 2.20, B<oldword> which is 841When font styles are not enabled, or this option is enabled (B<True>,
668xterm style with 2.20 old word selection, or anything else which gives 842option B<-is>, the default), bold/blink font styles imply high
669xterm style selection. 843intensity foreground/background colours. Disabling this option (B<False>,
670 844option B<+is>) disables this behaviour, the high intensity colours are not
671=item B<scrollstyle:> I<mode> 845reachable.
672
673Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
674the author's favourite..
675 846
676=item B<title:> I<string> 847=item B<title:> I<string>
677 848
678Set window title string, the default title is the command-line 849Set window title string, the default title is the command-line
679specified after the B<-e> option, if any, otherwise the application 850specified after the B<-e> option, if any, otherwise the application
688=item B<mapAlert:> I<boolean> 859=item B<mapAlert:> I<boolean>
689 860
690B<True>: de-iconify (map) on receipt of a bell character. B<False>: no 861B<True>: de-iconify (map) on receipt of a bell character. B<False>: no
691de-iconify (map) on receipt of a bell character [default]. 862de-iconify (map) on receipt of a bell character [default].
692 863
864=item B<urgentOnBell:> I<boolean>
865
866B<True>: set the urgency hint for the wm on receipt of a bell character.
867B<False>: do not set the urgency hint [default].
868
869@@RXVT_NAME@@ resets the urgency hint on every focus change.
870
693=item B<visualBell:> I<boolean> 871=item B<visualBell:> I<boolean>
694 872
695B<True>: use visual bell on receipt of a bell character; option B<-vb>. 873B<True>: use visual bell on receipt of a bell character; option B<-vb>.
696B<False>: no visual bell [default]; option B<+vb>. 874B<False>: no visual bell [default]; option B<+vb>.
697 875
711 889
712Specify a command pipe for vt100 printer [default I<lpr(1)>]. Use 890Specify a command pipe for vt100 printer [default I<lpr(1)>]. Use
713B<Print> to initiate a screen dump to the printer and B<Ctrl-Print> or 891B<Print> to initiate a screen dump to the printer and B<Ctrl-Print> or
714B<Shift-Print> to include the scrollback as well. 892B<Shift-Print> to include the scrollback as well.
715 893
894The string will be interpreted as if typed into the shell as-is.
895
896Example:
897
898 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
899
900This creates a new file in your home directory with the screen contents
901every time you hit C<Print>.
902
903=item B<scrollstyle:> I<mode>
904
905Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
906the author's favourite.
907
908=item B<thickness:> I<number>
909
910Set the scrollbar width in pixels.
911
716=item B<scrollBar:> I<boolean> 912=item B<scrollBar:> I<boolean>
717 913
718B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 914B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
719disable the scrollbar; option B<+sb>. 915disable the scrollbar; option B<+sb>.
720 916
741 937
742=item B<scrollWithBuffer:> I<boolean> 938=item B<scrollWithBuffer:> I<boolean>
743 939
744B<True>: scroll with scrollback buffer when tty receives new lines (and 940B<True>: scroll with scrollback buffer when tty receives new lines (and
745B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 941B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll
746with scrollback buffer when tty recieves new lines; option B<+sw>. 942with scrollback buffer when tty receives new lines; option B<+sw>.
747 943
748=item B<scrollTtyKeypress:> I<boolean> 944=item B<scrollTtyKeypress:> I<boolean>
749 945
750B<True>: scroll to bottom when a non-special key is pressed. Special keys 946B<True>: scroll to bottom when a non-special key is pressed. Special keys
751are those which are intercepted by rxvt-unicode for special handling and 947are those which are intercepted by rxvt-unicode for special handling and
770=item B<borderLess:> I<boolean> 966=item B<borderLess:> I<boolean>
771 967
772Set MWM hints to request a borderless window, i.e. if honoured by the 968Set MWM hints to request a borderless window, i.e. if honoured by the
773WM, the rxvt-unicode window will not have window decorations; option B<-bl>. 969WM, the rxvt-unicode window will not have window decorations; option B<-bl>.
774 970
971=item B<skipBuiltinGlyphs:> I<boolean>
972
973Compile I<frills>: Disable the usage of the built-in block graphics/line
974drawing characters and just rely on what the specified fonts provide. Use
975this if you have a good font and want to use its block graphic glyphs;
976option B<-sbg>.
977
775=item B<termName:> I<termname> 978=item B<termName:> I<termname>
776 979
777Specifies the terminal type name to be set in the B<TERM> environment 980Specifies the terminal type name to be set in the B<TERM> environment
778variable; option B<-tn>. 981variable; option B<-tn>.
779 982
780=item B<linespace:> I<number> 983=item B<lineSpace:> I<number>
781 984
782Specifies number of lines (pixel height) to insert between each row of 985Specifies number of lines (pixel height) to insert between each row of
783the display [default 0]; option B<-lsp>. 986the display [default 0]; option B<-lsp>.
784 987
785=item B<meta8:> I<boolean> 988=item B<meta8:> I<boolean>
799 1002
800=item B<cursorBlink:> I<boolean> 1003=item B<cursorBlink:> I<boolean>
801 1004
802B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1005B<True>: blink the cursor. B<False>: do not blink the cursor [default];
803option B<-bc>. 1006option B<-bc>.
1007
1008=item B<cursorUnderline:> I<boolean>
1009
1010B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1011option B<-uc>.
804 1012
805=item B<pointerBlank:> I<boolean> 1013=item B<pointerBlank:> I<boolean>
806 1014
807B<True>: blank the pointer when a key is pressed or after a set number 1015B<True>: blank the pointer when a key is pressed or after a set number
808of seconds of inactivity. B<False>: the pointer is always visible 1016of seconds of inactivity. B<False>: the pointer is always visible
816 1024
817Mouse pointer background colour. 1025Mouse pointer background colour.
818 1026
819=item B<pointerBlankDelay:> I<number> 1027=item B<pointerBlankDelay:> I<number>
820 1028
821Specifies number of seconds before blanking the pointer [default 2]. 1029Specifies number of seconds before blanking the pointer [default 2]. Use a
1030large number (e.g. C<987654321>) to effectively disable the timeout.
822 1031
823=item B<backspacekey:> I<string> 1032=item B<backspacekey:> I<string>
824 1033
825The string to send when the backspace key is pressed. If set to B<DEC> 1034The string to send when the backspace key is pressed. If set to B<DEC>
826or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1035or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
827(code 8) - which can be reversed with the appropriate DEC private mode 1036(code 8) - which can be reversed with the appropriate DEC private mode
828escape sequence. 1037escape sequence.
829 1038
830=item B<deletekey:> I<string> 1039=item B<deletekey:> I<string>
831 1040
833pressed. If unset it will send the sequence traditionally associated 1042pressed. If unset it will send the sequence traditionally associated
834with the B<Execute> key. 1043with the B<Execute> key.
835 1044
836=item B<cutchars:> I<string> 1045=item B<cutchars:> I<string>
837 1046
838The characters used as delimiters for double-click word selection. The 1047The characters used as delimiters for double-click word selection
839built-in default: 1048(whitespace delimiting is added automatically if resource is given).
840 1049
1050When the perl selection extension is in use (the default if compiled
1051in, see the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these
1052characters will be created (if the resource exists, otherwise, no regex
1053will be created). In this mode, characters outside ISO-8859-1 can be used.
1054
1055When the selection extension is not used, only ISO-8859-1 characters can
1056be used. If not specified, the built-in default is used:
1057
841B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1058B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
842 1059
843=item B<preeditType:> I<style> 1060=item B<preeditType:> I<style>
844 1061
845B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1062B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
846 1063
851=item B<imLocale:> I<name> 1068=item B<imLocale:> I<name>
852 1069
853The locale to use for opening the IM. You can use an C<LC_CTYPE> of e.g. 1070The locale to use for opening the IM. You can use an C<LC_CTYPE> of e.g.
854C<de_DE.UTF-8> for normal text processing but C<ja_JP.EUC-JP> for the 1071C<de_DE.UTF-8> for normal text processing but C<ja_JP.EUC-JP> for the
855input extension to be able to input japanese characters while staying in 1072input extension to be able to input japanese characters while staying in
856another locale. option B<-imlocale>. 1073another locale; option B<-imlocale>.
857 1074
858=item B<imFont:> I<fontset> 1075=item B<imFont:> I<fontset>
859 1076
860Specify the font-set used for XIM styles C<OverTheSpot> or 1077Specify the font-set used for XIM styles C<OverTheSpot> or
861C<OffTheSpot>. It must be a standard X font set (XLFD patterns separated 1078C<OffTheSpot>. It must be a standard X font set (XLFD patterns separated
866 1083
867=item B<tripleclickwords:> I<boolean> 1084=item B<tripleclickwords:> I<boolean>
868 1085
869Change the meaning of triple-click selection with the left mouse 1086Change the meaning of triple-click selection with the left mouse
870button. Instead of selecting a full line it will extend the selection to 1087button. Instead of selecting a full line it will extend the selection to
871the end of the logical line only. option B<-tcw>. 1088the end of the logical line only; option B<-tcw>.
872 1089
873=item B<insecure:> I<boolean> 1090=item B<insecure:> I<boolean>
874 1091
875Enables "insecure" mode. Rxvt-unicode offers some escape sequences that 1092Enables "insecure" mode. Rxvt-unicode offers some escape sequences that
876echo arbitrary strings like the icon name or the locale. This could be 1093echo arbitrary strings like the icon name or the locale. This could be
877abused if somebody gets 8-bit-clean access to your display, whether 1094abused if somebody gets 8-bit-clean access to your display, whether
878throuh a mail client displaying mail bodies unfiltered or though 1095through a mail client displaying mail bodies unfiltered or through
879write(1). Therefore, these sequences are disabled by default. (Note 1096write(1) or any other means. Therefore, these sequences are disabled by
880that other terminals, including xterm, have these sequences 1097default. (Note that many other terminals, including xterm, have these
881enabled by default). You can enable them by setting this boolean 1098sequences enabled by default, which doesn't make it safer, though).
882resource or specifying B<-insecure> as an option. At the moment, this 1099
883enabled display-answer, locale, findfont, icon label and window title 1100You can enable them by setting this boolean resource or specifying
884requests as well as dynamic menubar dispatch. 1101B<-insecure> as an option. At the moment, this enables display-answer,
1102locale, findfont, icon label and window title requests.
885 1103
886=item B<modifier:> I<modifier> 1104=item B<modifier:> I<modifier>
887 1105
888Set the key to be interpreted as the Meta key to: B<alt>, B<meta>, 1106Set the key to be interpreted as the Meta key to: B<alt>, B<meta>,
889B<hyper>, B<super>, B<mod1>, B<mod2>, B<mod3>, B<mod4>, B<mod5>; option 1107B<hyper>, B<super>, B<mod1>, B<mod2>, B<mod3>, B<mod4>, B<mod5>; option
893 1111
894Specify the reply rxvt-unicode sends to the shell when an ENQ (control-E) 1112Specify the reply rxvt-unicode sends to the shell when an ENQ (control-E)
895character is passed through. It may contain escape values as described 1113character is passed through. It may contain escape values as described
896in the entry on B<keysym> following. 1114in the entry on B<keysym> following.
897 1115
898=item B<secondaryScreen:> I<bool> 1116=item B<secondaryScreen:> I<boolean>
899 1117
900Turn on/off secondary screen (default enabled). 1118Turn on/off secondary screen (default enabled).
901 1119
902=item B<secondaryScroll:> I<bool> 1120=item B<secondaryScroll:> I<boolean>
903 1121
904Turn on/off secondary screen scroll (default enabled). If the this 1122Turn on/off secondary screen scroll (default enabled). If this
905option is enabled, scrolls on the secondary screen will change the 1123option is enabled, scrolls on the secondary screen will change the
906scrollback buffer and switching to/from the secondary screen will 1124scrollback buffer and, when secondaryScreen is off, switching
907instead scroll the screen up. 1125to/from the secondary screen will instead scroll the screen up.
1126
1127=item B<hold>: I<boolean>
1128
1129Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1130will not immediately destroy its window when the program executed within
1131it exits. Instead, it will wait till it is being killed or closed by the
1132user.
1133
1134=item B<chdir>: I<path>
1135
1136Sets the working directory for the shell (or the command specified via
1137B<-e>). The I<path> must be an absolute path and it must exist for
1138@@RXVT_NAME@@ to start. If it isn't specified then the current working
1139directory will be used; option B<-cd>.
908 1140
909=item B<keysym.>I<sym>: I<string> 1141=item B<keysym.>I<sym>: I<string>
910 1142
911Compile I<frills>: Associate I<string> with keysym I<sym>. The 1143Compile I<frills>: Associate I<string> with keysym I<sym>. The
912intervening resource name B<keysym.> cannot be omitted. 1144intervening resource name B<keysym.> cannot be omitted.
926searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1158searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
927omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1159omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
928keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1160keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
929performed in an exact manner; however, the closest match is assured. 1161performed in an exact manner; however, the closest match is assured.
930 1162
931I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1163I<string> may contain escape values (C<\n>: newline, C<\000>: octal
932C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1164number), see RESOURCES in C<man 7 X> for further details.
933C<\000>: octal number) or verbatim control characters (C<^?>: delete,
934C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
935can start or end with whitespace.
936
937Please note that you need to double the C<\> when using
938C<--enable-xgetdefault>, as X itself does it's own de-escaping (you can
939use C<\033> instead of C<\e> (and so on), which will work with both Xt and
940@@RXVT_NAME@@'s own processing).
941 1165
942You can define a range of keysyms in one shot by providing a I<string> 1166You can define a range of keysyms in one shot by providing a I<string>
943with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/' 1167with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
944should be a character not used by the strings. 1168should be a character not used by the strings.
945 1169
946Its usage can be demonstrated by an example: 1170Its usage can be demonstrated by an example:
947 1171
948 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1172 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|>
958example the following means "change the current locale to C<zh_CN.GBK> 1182example the following means "change the current locale to C<zh_CN.GBK>
959when Control-Meta-c is being pressed": 1183when Control-Meta-c is being pressed":
960 1184
961 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1185 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
962 1186
1187If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1188is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1189manpage. For example, the F<selection> extension (activated via
1190C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1191
1192 URxvt.keysym.M-C-c: perl:selection:rot13
1193
1194Due the the large number of modifier combinations, a defined key mapping
1195will match if I<at least> the specified identifiers are being set, and
1196no other key mappings with those and more bits are being defined. That
1197means that defining a key map for C<a> will automatically provide
1198definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1199mappings themselves.
1200
1201Unfortunately, this will override built-in key mappings. For example
1202if you overwrite the C<Insert> key you will disable @@RXVT_NAME@@'s
1203C<Shift-Insert> mapping. To re-enable that, you can poke "holes" into the
1204user-defined keymap using the C<builtin:> replacement:
1205
1206 URxvt.keysym.Insert: <my insert key sequence>
1207 URxvt.keysym.S-Insert: builtin:
1208
1209The first line defines a mapping for C<Insert> and I<any> combination
1210of modifiers. The second line re-establishes the default mapping for
1211C<Shift-Insert>.
1212
963The following example will map Control-Meta-1 and Control-Meta-2 to 1213The following example will map Control-Meta-1 and Control-Meta-2 to
964the fonts C<suxuseuro> and C<9x15bold>, so you can have some limited 1214the fonts C<suxuseuro> and C<9x15bold>, so you can have some limited
965font-switching at runtime: 1215font-switching at runtime:
966 1216
967 URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007 1217 URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007
970Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more 1220Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more
971info): 1221info):
972 1222
973 URxvt.keysym.M-C-3: command:\033[8;25;80t 1223 URxvt.keysym.M-C-3: command:\033[8;25;80t
974 URxvt.keysym.M-C-4: command:\033[8;48;110t 1224 URxvt.keysym.M-C-4: command:\033[8;48;110t
1225
1226=item B<perl-ext-common>: I<string>
1227
1228=item B<perl-ext>: I<string>
1229
1230Comma-separated list(s) of perl extension scripts (default: C<default>) to
1231use in this terminal instance; option B<-pe>.
1232
1233Extension names can be prefixed with a C<-> sign to prohibit using
1234them. This can be useful to selectively disable some extensions loaded
1235by default, or specified via the C<perl-ext-common> resource. For
1236example, C<default,-selection> will use all the default extension except
1237C<selection>.
1238
1239Extension names can also be followed by an argument in angle brackets
1240(e.g. C<< searchable-scrollback<M-s> >>, which binds the hotkey for
1241searchable scrollback to Alt/Meta-s). Mentioning the same extension
1242multiple times with different arguments will pass multiple arguments to
1243the extension.
1244
1245Each extension is looked up in the library directories, loaded if
1246necessary, and bound to the current terminal instance.
1247
1248If both of these resources are the empty string, then the perl
1249interpreter will not be initialized. The idea behind two options is that
1250B<perl-ext-common> will be used for extensions that should be available to
1251all instances, while B<perl-ext> is used for specific instances.
1252
1253=item B<perl-eval>: I<string>
1254
1255Perl code to be evaluated when all extensions have been registered. See
1256the @@RXVT_NAME@@perl(3) manpage.
1257
1258=item B<perl-lib>: I<path>
1259
1260Colon-separated list of additional directories that hold extension
1261scripts. When looking for extensions specified by the C<perl> resource,
1262@@RXVT_NAME@@ will first look in these directories and then in
1263F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1264
1265See the @@RXVT_NAME@@perl(3) manpage.
1266
1267=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1268
1269Additional selection patterns, see the @@RXVT_NAME@@perl(3) manpage for
1270details.
1271
1272=item B<< selection-autotransform.I<idx> >>: I<perl-transform>
1273
1274Selection auto-transform patterns, see the @@RXVT_NAME@@perl(3) manpage
1275for details.
1276
1277=item B<searchable-scrollback:> I<keysym>
1278
1279Sets the hotkey that starts the incremental scrollback buffer search
1280(default: C<M-s>).
1281
1282=item B<urlLauncher>: I<string>
1283
1284Specifies the program to be started with a URL argument. Used by the
1285C<selection-popup> and C<matcher> perl extensions.
1286
1287=item B<transient-for>: I<windowid>
1288
1289Compile I<frills>: Sets the WM_TRANSIENT_FOR property to the given window id.
1290
1291=item B<override-redirect>: I<boolean>
1292
1293Compile I<frills>: Sets override-redirect for the terminal window, making
1294it almost invisible to window managers; option B<-override-redirect>.
1295
1296=item B<iso14755:> I<boolean>
1297
1298Turn on/off ISO 14755 (default enabled).
1299
1300=item B<iso14755_52:> I<boolean>
1301
1302Turn on/off ISO 14755 5.2 mode (default enabled).
975 1303
976=back 1304=back
977 1305
978=head1 THE SCROLLBAR 1306=head1 THE SCROLLBAR
979 1307
998application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~> 1326application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
999(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the 1327(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
1000up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down), 1328up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down),
1001respectively. 1329respectively.
1002 1330
1003=head1 TEXT SELECTION AND INSERTION 1331=head1 THE SELECTION: SELECTING AND PASTING TEXT
1004 1332
1005The behaviour of text selection and insertion mechanism is similar to 1333The behaviour of text selection and insertion/pasting mechanism is similar
1006I<xterm>(1). 1334to I<xterm>(1).
1007 1335
1008=over 4 1336=over 4
1009 1337
1010=item B<Selection>: 1338=item B<Selecting>:
1011 1339
1012Left click at the beginning of the region, drag to the end of the region 1340Left click at the beginning of the region, drag to the end of the region
1013and release; Right click to extend the marked region; Left double-click 1341and release; Right click to extend the marked region; Left double-click
1014to select a word; Left triple-click to select the entire logical line 1342to select a word; Left triple-click to select the entire logical line
1015(which can span multiple screen lines), unless modified by resource 1343(which can span multiple screen lines), unless modified by resource
1016B<tripleclickwords>. 1344B<tripleclickwords>.
1017 1345
1018Starting a selection while pressing the B<Meta> key (or B<Meta+Ctrl> keys) 1346Starting a selection while pressing the B<Meta> key (or B<Meta+Ctrl> keys)
1019(Compile: I<frills>) will create a rectangular selection instead of a normal 1347(Compile: I<frills>) will create a rectangular selection instead of a
1020one. 1348normal one. In this mode, every selected row becomes its own line in the
1349selection, and trailing whitespace is visually underlined and removed from
1350the selection.
1021 1351
1022=item B<Insertion>: 1352=item B<Pasting>:
1023 1353
1024Pressing and releasing the Middle mouse button (or B<Shift-Insert>) in 1354Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
1025an B<@@RXVT_NAME@@> window causes the current text selection to be 1355window causes the value of the PRIMARY selection (or CLIPBOARD with the
1026inserted as if it had been typed on the keyboard. 1356B<Meta> modifier) to be inserted as if it had been typed on the keyboard.
1357
1358Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
1359inserted too.
1027 1360
1028=back 1361=back
1029 1362
1030=head1 CHANGING FONTS 1363=head1 CHANGING FONTS
1031 1364
1032Changing fonts (or font sizes, respectively) via the keypad is not yet 1365Changing fonts (or font sizes, respectively) via the keypad is not yet
1033supported in rxvt-unicode. Bug me if you need this. 1366supported in rxvt-unicode. Bug me if you need this.
1034 1367
1035You can, however, switch fonts at runtime using escape sequences (and 1368You can, however, switch fonts at runtime using escape sequences, e.g.:
1036therefore using the menubar), e.g.:
1037 1369
1038 printf '\e]701;%s\007' "9x15bold,xft:Kochi Gothic" 1370 printf '\e]710;%s\007' "9x15bold,xft:Kochi Gothic"
1371
1372You can use keyboard shortcuts, too:
1373
1374 URxvt.keysym.M-C-1: command:\033]710;suxuseuro\007\033]711;suxuseuro\007
1375 URxvt.keysym.M-C-2: command:\033]710;9x15bold\007\033]711;9x15bold\007
1039 1376
1040rxvt-unicode will automatically re-apply these fonts to the output so far. 1377rxvt-unicode will automatically re-apply these fonts to the output so far.
1041 1378
1042=head1 ISO 14755 SUPPORT 1379=head1 ISO 14755 SUPPORT
1043 1380
1044ISO 14755 is a standard for entering and viewing unicode characters 1381ISO 14755 is a standard for entering and viewing unicode characters
1045and character codes using the keyboard. It consists of 4 parts. The 1382and character codes using the keyboard. It consists of 4 parts. The
1046first part is available rxvt-unicode has been compiled with 1383first part is available if rxvt-unicode has been compiled with
1047C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1384C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1048with C<--enable-iso14755>. 1385with C<--enable-iso14755>.
1049 1386
1050=over 4 1387=over 4
1051 1388
1071This mode lets you input characters representing the keycap symbols of 1408This mode lets you input characters representing the keycap symbols of
1072your keyboard, if representable in the current locale encoding. 1409your keyboard, if representable in the current locale encoding.
1073 1410
1074Start by pressing C<Control> and C<Shift> together, then releasing 1411Start by pressing C<Control> and C<Shift> together, then releasing
1075them. The next special key (cursor keys, home etc.) you enter will not 1412them. The next special key (cursor keys, home etc.) you enter will not
1076invoke it's usual function but instead will insert the corresponding 1413invoke its usual function but instead will insert the corresponding
1077keycap symbol. The symbol will only be entered when the key has been 1414keycap symbol. The symbol will only be entered when the key has been
1078released, otherwise pressing e.g. C<Shift> would enter the symbol for 1415released, otherwise pressing e.g. C<Shift> would enter the symbol for
1079C<ISO Level 2 Switch>, although your intention might have been to enter a 1416C<ISO Level 2 Switch>, although your intention might have been to enter a
1080reverse tab (Shift-Tab). 1417reverse tab (Shift-Tab).
1081 1418
1109B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1446B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1110it can be seen via the I<who(1)> command, and can accept messages. To 1447it can be seen via the I<who(1)> command, and can accept messages. To
1111allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1448allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1112on some systems or setgid to root or to some other group on others. 1449on some systems or setgid to root or to some other group on others.
1113 1450
1114=head1 COLORS AND GRAPHICS 1451=head1 COLOURS AND GRAPHICS
1115 1452
1116In addition to the default foreground and background colours, 1453In addition to the default foreground and background colours,
1117B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1454B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1118high-intensity bold/blink versions of the same). Here is a list of the 1455high-intensity (potentially bold/blink) versions of the same, and 72 (or
1119colours with their B<rgb.txt> names. 1456240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1457cube plus a 8 (24) colour greyscale ramp.
1458
1459Here is a list of the ANSI colours with their names.
1120 1460
1121=begin table 1461=begin table
1122 1462
1123 B<color0> (black) = Black 1463 B<color0> (black) = Black
1124 B<color1> (red) = Red3 1464 B<color1> (red) = Red3
1144It is also possible to specify the colour values of B<foreground>, 1484It is also possible to specify the colour values of B<foreground>,
1145B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1485B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1146a number 0-15, as a convenient shorthand to reference the colour name of 1486a number 0-15, as a convenient shorthand to reference the colour name of
1147color0-color15. 1487color0-color15.
1148 1488
1489The following text gives values for the standard 88 colour mode (and
1490values for the 256 colour mode in parentheses).
1491
1492The RGB cube uses indices 16..79 (16..231) using the following formulas:
1493
1494 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1495 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1496
1497The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1498steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1499the RGB cube.
1500
1501Together, all those colours implement the 88 (256) colour xterm
1502colours. Only the first 16 can be changed using resources currently, the
1503rest can only be changed via command sequences ("escape codes").
1504
1505Applications are advised to use terminfo or command sequences to discover
1506number and RGB values of all colours (yes, you can query this...).
1507
1149Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1508Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1150always swapping the foreground/background colours. This is in contrast to 1509always swapping the foreground/background colours. This is in contrast to
1151I<xterm>(1) where the colours are only swapped if they have not otherwise 1510I<xterm>(1) where the colours are only swapped if they have not otherwise
1152been specified. For example, 1511been specified. For example,
1153 1512
1513 @@RXVT_NAME@@ -fg Black -bg White -rv
1514
1515would yield White on Black, while on I<xterm>(1) it would yield Black on
1516White.
1517
1518=head2 ALPHA CHANNEL SUPPORT
1519
1520If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1521their act together, rxvt-unicode will do it's own alpha channel management:
1522
1523You can prefix any colour with an opaqueness percentage enclosed in
1524brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1525(0-100) that specifies the opacity of the colour, where C<0> is completely
1526transparent and C<100> is completely opaque. For example, C<[50]red> is a
1527half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1528is the recommended format to specify transparency values, and works with
1529all ways to specify a colour.
1530
1531For complete control, rxvt-unicode also supports
1532C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1533specifications, where the additional C<aaaa> component specifies opacity
1534(alpha) values. The minimum value of C<0000> is completely transparent,
1535while C<ffff> is completely opaque). The two example colours from
1536earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1537C<rgba:0000/ff00/0000/f332>.
1538
1539You probably need to specify B<"-depth 32">, too, to force a visual with
1540alpha channels, and have the luck that your X-server uses ARGB pixel
1541layout, as X is far from just supporting ARGB visuals out of the box, and
1542rxvt-unicode just fudges around.
1543
1544For example, the following selects an almost completely transparent black
1545background, and an almost opaque pink foreground:
1546
1547 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1548
1549When not using a background image, then the interpretation of the
1550alpha channel is up to your compositing manager (most interpret it as
1551transparency of course).
1552
1553When using a background pixmap or pseudo-transparency, then the background
1554colour will always behave as if it were completely transparent (so the
1555background image shows instead), regardless of how it was specified, while
1556other colours will either be transparent as specified (the background
1557image will show through) on servers supporting the RENDER extension, or
1558fully opaque on servers not supporting the RENDER EXTENSION.
1559
1560Please note that due to bugs in Xft, specifying alpha values might result
1561in garbage being displayed when the X-server does not support the RENDER
1562extension.
1563
1564=head1 ENVIRONMENT
1565
1566B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1567
1154=over 4 1568=over 4
1155 1569
1156=item B<@@RXVT_NAME@@ -fg Black -bg White -rv>
1157
1158would yield White on Black, while on I<xterm>(1) it would yield Black
1159on White.
1160
1161=back
1162
1163=head1 ENVIRONMENT
1164
1165B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1166
1167=over 4
1168
1169=item B<TERM> 1570=item B<TERM>
1170 1571
1171Normally set to C<rxvt-unicode>, unless overwritten at configure time, via 1572Normally set to C<rxvt-unicode>, unless overwritten at configure time, via
1172resources or on the commandline. 1573resources or on the command line.
1173 1574
1174=item B<COLORTERM> 1575=item B<COLORTERM>
1175 1576
1176Either C<rxvt>, C<rxvt-xpm>, depending on wether @@RXVT_NAME@@ was 1577Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1177compiled with XPM support, and optionally with the added extension 1578compiled with background image support, and optionally with the added
1178C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1579extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1580screen.
1179 1581
1180=item B<COLORFGBG> 1582=item B<COLORFGBG>
1181 1583
1182Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1584Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1183the colour code used as default foreground/text colour (or the string 1585the colour code used as default foreground/text colour (or the string
1184C<default> to indicate that the default-colour escape sequence is to be 1586C<default> to indicate that the default-colour escape sequence is to be
1185used), C<bg> is the colour code used as default background colour (or the 1587used), C<bg> is the colour code used as default background colour (or the
1186string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1588string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1187was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1589was compiled with background image support. Libraries like C<ncurses>
1188(and do) use this information to optimize screen output. 1590and C<slang> can (and do) use this information to optimize screen output.
1189 1591
1190=item B<WINDOWID> 1592=item B<WINDOWID>
1191 1593
1192Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1594Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1193window, which usually has subwindows for the scrollbar, the terminal 1595window, which usually has subwindows for the scrollbar, the terminal
1199C<--with-terminfo=PATH>. 1601C<--with-terminfo=PATH>.
1200 1602
1201=item B<DISPLAY> 1603=item B<DISPLAY>
1202 1604
1203Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1605Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1204display in it's child processes. 1606display in its child processes if C<-display> isn't used to override. It
1607defaults to C<:0> if it doesn't exist.
1205 1608
1206=item B<SHELL> 1609=item B<SHELL>
1207 1610
1208The shell to be used for command execution, defaults to C</bin/sh>. 1611The shell to be used for command execution, defaults to C</bin/sh>.
1209
1210=item B<RXVTPATH>
1211
1212The path where @@RXVT_NAME@@ looks for support files such as menu and xpm
1213files.
1214
1215=item B<PATH>
1216
1217Used in the same way as C<RXVTPATH>.
1218 1612
1219=item B<RXVT_SOCKET> 1613=item B<RXVT_SOCKET>
1220 1614
1221The unix domain socket path used by @@RXVT_NAME@@c(1) and 1615The unix domain socket path used by @@RXVT_NAME@@c(1) and
1222@@RXVT_NAME@@d(1). 1616@@RXVT_NAME@@d(1).
1223 1617
1224Default C<< $HOME/.rxvt-unicode-<nodename >>. 1618Default F<<< $HOME/.rxvt-unicode-I<< <nodename> >> >>>.
1225 1619
1226=item B<HOME> 1620=item B<HOME>
1227 1621
1228Used to locate the default directory for the unix domain socket for 1622Used to locate the default directory for the unix domain socket for
1229daemon communications and to locate various resource files (such as 1623daemon communications and to locate various resource files (such as
1230C<.Xdefaults>) 1624C<.Xdefaults>)
1231 1625
1232=item B<XAPPLRESDIR> 1626=item B<XAPPLRESDIR>
1233 1627
1234Directory where various X resource files are being located. 1628Directory where application-specific X resource files are located.
1235 1629
1236=item B<XENVIRONMENT> 1630=item B<XENVIRONMENT>
1237 1631
1238If set and accessible, gives the name of a X resource file to be loaded by 1632If set and accessible, gives the name of a X resource file to be loaded by
1239@@RXVT_NAME@@. 1633@@RXVT_NAME@@.
1244 1638
1245=over 4 1639=over 4
1246 1640
1247=item B</usr/lib/X11/rgb.txt> 1641=item B</usr/lib/X11/rgb.txt>
1248 1642
1249Color names. 1643Colour names.
1250 1644
1251=back 1645=back
1252 1646
1253=head1 SEE ALSO 1647=head1 SEE ALSO
1254 1648
1255@@RXVT_NAME@@(7), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5) 1649@@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)
1256
1257=head1 BUGS
1258
1259Check the BUGS file for an up-to-date list.
1260
1261Cursor change support is not yet implemented.
1262
1263Click-and-drag doesn't work with X11 mouse report overriding.
1264 1650
1265=head1 CURRENT PROJECT COORDINATOR 1651=head1 CURRENT PROJECT COORDINATOR
1266 1652
1267=over 4 1653=over 4
1268 1654
1269=item Project Coordinator 1655=item Project Coordinator
1270 1656
1271Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >> 1657Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
1272 1658
1273L<http://software.schmorp.de/#rxvt-unicode> 1659L<http://software.schmorp.de/pkg/rxvt-unicode.html>
1274 1660
1275=back 1661=back
1276 1662
1277=head1 AUTHORS 1663=head1 AUTHORS
1278 1664
1300 1686
1301Project Coordinator (changes.txt 2.21a to 2.4.5) 1687Project Coordinator (changes.txt 2.21a to 2.4.5)
1302 1688
1303=item Geoff Wing L<< <gcw@pobox.com> >> 1689=item Geoff Wing L<< <gcw@pobox.com> >>
1304 1690
1305Rewrote screen display and text selection routines. Project Coordinator 1691Rewrote screen display and text selection routines.
1692
1306(changes.txt 2.4.6 - rxvt-unicode) 1693Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1307 1694
1308=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1695=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1309 1696
1310Forked rxvt-unicode, rewrote most of the display code and internal 1697Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1311character handling to store text in unicode, improve xterm 1698extension, random hacks, numerous bugfixes and extensions.
1312compatibility and apply numerous other bugfixes and extensions.
1313 1699
1314Project Coordinator (Changes 1.0 -) 1700Project Coordinator (Changes 1.0 -)
1315 1701
1702=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1703
1704pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1705
1316=back 1706=back
1317 1707

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