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Revision 1.73 by root, Thu Dec 15 18:14:08 2005 UTC vs.
Revision 1.220 by root, Fri Sep 21 23:31:43 2012 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<frills>: 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]
110
111=item B<-visual> I<visualID>
112
113Compile I<frills>: Use the given visual (see e.g. C<xdpyinfo> for possible
114visual ids).
97 115
98=item B<-geometry> I<geom> 116=item B<-geometry> I<geom>
99 117
100Window geometry (B<-g> still respected); resource B<geometry>. 118Window geometry (B<-g> still respected); resource B<geometry>.
101 119
103 121
104Turn on/off simulated reverse video; resource B<reverseVideo>. 122Turn on/off simulated reverse video; resource B<reverseVideo>.
105 123
106=item B<-j>|B<+j> 124=item B<-j>|B<+j>
107 125
108Turn on/off jump scrolling; resource B<jumpScroll>. 126Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
109 127
110=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 128=item B<-ss>|B<+ss>
111 129
112Turn on/off inheriting parent window's pixmap. Alternative form is 130Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
113B<-tr>; resource B<inheritPixmap>. 131
132=item B<-tr>|B<+tr>
133
134Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
135
136B<-ip> is still accepted as an obsolete alias but will be removed in
137future versions.
114 138
115=item B<-fade> I<number> 139=item B<-fade> I<number>
116 140
117Fade the text by the given percentage when focus is lost. Small values 141Fade the text by the given percentage when focus is lost. Small values
118fade a little only, 100 completely replaces all colours by the fade 142fade a little only, 100 completely replaces all colours by the fade
119colour; resource B<fading>. 143colour; resource B<fading>.
120 144
121=item B<-fadecolor> I<colour> 145=item B<-fadecolor> I<colour>
122 146
123Fade to this colour when fading is used (see B<-fade>). The default colour 147Fade to this colour when fading is used (see B<-fade>). The default colour
124is black. resource B<fadeColor>. 148is opaque black. resource B<fadeColor>.
125 149
126=item B<-tint> I<colour> 150=item B<-tint> I<colour>
127 151
128Tint the transparent background pixmap with the given colour when 152Tint the transparent background with the given colour;
129transparency is enabled with B<-tr> or B<-ip>. This only works for 153resource I<tintColor>.
130non-tiled backgrounds, currently. See also the B<-sh> option that can be
131used to brighten or darken the image in addition to tinting it; resource
132I<tintColor>. Example:
133 154
134 @@RXVT_NAME@@ -tr -tint blue -sh 40 155=item B<-sh> I<number>
135 156
136=item B<-sh>
137
138I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 157Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
139background image in addition to tinting it (i.e. B<-tint> must be 158A value of 100 means no shading; resource I<shading>.
140specified, too, e.g. C<-tint white>). 159
160=item B<-blr> I<HxV>
161
162Apply Gaussian Blur with the specified radii to the transparent
163background. If a single number is specified, the vertical and
164horizontal radii are considered to be the same. Setting one of the
165radii to 1 and the other to a large number creates interesting effects
166on some backgrounds. The maximum radius value is 128. An horizontal or
167vertical radius of 0 disables blurring;
168resource I<blurRadius>.
169
170=item B<-icon> I<file>
171
172Compile I<pixbuf>: Use the specified image as application icon. This
173is used by many window managers, taskbars and pagers to represent the
174application window; resource I<iconFile>.
141 175
142=item B<-bg> I<colour> 176=item B<-bg> I<colour>
143 177
144Window background colour; resource B<background>. 178Window background colour; resource B<background>.
145 179
146=item B<-fg> I<colour> 180=item B<-fg> I<colour>
147 181
148Window foreground colour; resource B<foreground>. 182Window foreground colour; resource B<foreground>.
149 183
150=item B<-pixmap> I<file[;geom]> 184=item B<-pixmap> I<file[;oplist]>
151 185
152Compile I<XPM>: Specify XPM file for the background and also optionally 186Compile I<pixbuf>: Specify image file for the background and also
153specify its scaling with a geometry string. Note you may need to 187optionally specify a list of operations to modify it. Note you may need to
154add quotes to avoid special shell interpretation of the C<;> in the 188add quotes to avoid special shell interpretation of the C<;> in the
155command-line; resource B<backgroundPixmap>. 189command-line; for more details see resource B<backgroundPixmap>.
156 190
157=item B<-cr> I<colour> 191=item B<-cr> I<colour>
158 192
159The cursor colour; resource B<cursorColor>. 193The cursor colour; resource B<cursorColor>.
160 194
172resource B<borderColor>. 206resource B<borderColor>.
173 207
174=item B<-fn> I<fontlist> 208=item B<-fn> I<fontlist>
175 209
176Select the fonts to be used. This is a comma separated list of font names 210Select the fonts to be used. This is a comma separated list of font names
177that are used in turn when trying to display Unicode characters. The 211that are checked in order when trying to find glyphs for characters. The
178first font defines the cell size for characters; other fonts might be 212first font defines the cell size for characters; other fonts might be
179smaller, but not (in general) larger. A (hopefully) reasonable default 213smaller, but not (in general) larger. A (hopefully) reasonable default
180font list is always appended to it. See resource B<font> for more details. 214font list is always appended to it. See resource B<font> for more details.
181 215
182In short, to specify an X11 core font, just specify it's name or prefix it 216In short, to specify an X11 core font, just specify its name or prefix it
183with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>, 217with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>,
184e.g.: 218e.g.:
185 219
186 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15" 220 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
187 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono" 221 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono"
189See also the question "How does rxvt-unicode choose fonts?" in the FAQ 223See also the question "How does rxvt-unicode choose fonts?" in the FAQ
190section of @@RXVT_NAME@@(7). 224section of @@RXVT_NAME@@(7).
191 225
192=item B<-fb> I<fontlist> 226=item B<-fb> I<fontlist>
193 227
194Compile font-styles: The bold font list to use when bold characters are to 228Compile I<font-styles>: The bold font list to use when B<bold> characters
195be printed. See resource B<boldFont> for details. 229are to be printed. See resource B<boldFont> for details.
196 230
197=item B<-fi> I<fontlist> 231=item B<-fi> I<fontlist>
198 232
199Compile font-styles: The italic font list to use when bold characters are to 233Compile I<font-styles>: The italic font list to use when I<italic>
200be printed. See resource B<italicFont> for details. 234characters are to be printed. See resource B<italicFont> for details.
201 235
202=item B<-fbi> I<fontlist> 236=item B<-fbi> I<fontlist>
203 237
204Compile font-styles: The bold italic font list to use when bold characters are to 238Compile I<font-styles>: The bold italic font list to use when B<< I<bold
205be printed. See resource B<boldItalicFont> for details. 239italic> >> characters are to be printed. See resource B<boldItalicFont>
240for details.
241
242=item B<-is>|B<+is>
243
244Compile I<font-styles>: Bold/Blink font styles imply high intensity
245foreground/background (default). See resource B<intensityStyles> for
246details.
206 247
207=item B<-name> I<name> 248=item B<-name> I<name>
208 249
209Specify the application name under which resources are to be obtained, 250Specify the application name under which resources are to be obtained,
210rather than the default executable file name. Name should not contain 251rather than the default executable file name. Name should not contain
226 267
227=item B<-sb>|B<+sb> 268=item B<-sb>|B<+sb>
228 269
229Turn on/off scrollbar; resource B<scrollBar>. 270Turn on/off scrollbar; resource B<scrollBar>.
230 271
272=item B<-sr>|B<+sr>
273
274Put scrollbar on right/left; resource B<scrollBar_right>.
275
276=item B<-st>|B<+st>
277
278Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
279resource B<scrollBar_floating>.
280
231=item B<-si>|B<+si> 281=item B<-si>|B<+si>
232 282
233Turn on/off scroll-to-bottom on TTY output inhibit; resource 283Turn on/off scroll-to-bottom on TTY output inhibit; resource
234B<scrollTtyOutput> has opposite effect. 284B<scrollTtyOutput> has opposite effect.
235 285
241=item B<-sw>|B<+sw> 291=item B<-sw>|B<+sw>
242 292
243Turn on/off scrolling with the scrollback buffer as new lines appear. 293Turn on/off scrolling with the scrollback buffer as new lines appear.
244This only takes effect if B<-si> is also given; resource 294This only takes effect if B<-si> is also given; resource
245B<scrollWithBuffer>. 295B<scrollWithBuffer>.
246
247=item B<-sr>|B<+sr>
248
249Put scrollbar on right/left; resource B<scrollBar_right>.
250
251=item B<-st>|B<+st>
252
253Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
254resource B<scrollBar_floating>.
255 296
256=item B<-ptab>|B<+ptab> 297=item B<-ptab>|B<+ptab>
257 298
258If enabled (default), "Horizontal Tab" characters are being stored as 299If enabled (default), "Horizontal Tab" characters are being stored as
259actual wide characters in the screen buffer, which makes it possible to 300actual wide characters in the screen buffer, which makes it possible to
263 304
264=item B<-bc>|B<+bc> 305=item B<-bc>|B<+bc>
265 306
266Blink the cursor; resource B<cursorBlink>. 307Blink the cursor; resource B<cursorBlink>.
267 308
309=item B<-uc>|B<+uc>
310
311Make the cursor underlined; resource B<cursorUnderline>.
312
268=item B<-iconic> 313=item B<-iconic>
269 314
270Start iconified, if the window manager supports that option. 315Start iconified, if the window manager supports that option.
271Alternative form is B<-ic>. 316Alternative form is B<-ic>.
272 317
288 333
289=item B<-bl> 334=item B<-bl>
290 335
291Compile I<frills>: Set MWM hints to request a borderless window, i.e. 336Compile I<frills>: Set MWM hints to request a borderless window, i.e.
292if honoured by the WM, the rxvt-unicode window will not have window 337if honoured by the WM, the rxvt-unicode window will not have window
293decorations; resource B<borderLess>. 338decorations; resource B<borderLess>. If the window manager does not
339support MWM hints (e.g. kwin), enables override-redirect mode.
340
341=item B<-override-redirect>
342
343Compile I<frills>: Sets override-redirect on the window; resource
344B<override-redirect>.
345
346=item B<-sbg>
347
348Compile I<frills>: Disable the usage of the built-in block graphics/line
349drawing characters and just rely on what the specified fonts provide. Use
350this if you have a good font and want to use its block graphic glyphs;
351resource B<skipBuiltinGlyphs>.
294 352
295=item B<-lsp> I<number> 353=item B<-lsp> I<number>
296 354
297Compile I<frills>: Lines (pixel height) to insert between each row of 355Compile I<frills>: Lines (pixel height) to insert between each row of
298the display. Useful to work around font rendering problems; resource 356the display. Useful to work around font rendering problems; resource
299B<linespace>. 357B<lineSpace>.
358
359=item B<-letsp> I<number>
360
361Compile I<frills>: Amount to adjust the computed character width by
362to control overall letter spacing. Negative values will tighten up the
363letter spacing, positive values will space letters out more. Useful to
364work around odd font metrics; resource B<letterSpace>.
300 365
301=item B<-tn> I<termname> 366=item B<-tn> I<termname>
302 367
303This option specifies the name of the terminal type to be set in the 368This option specifies the name of the terminal type to be set in the
304B<TERM> environment variable. This terminal type must exist in the 369B<TERM> environment variable. This terminal type must exist in the
313given on the command line. If this option is used, it must be the last 378given on the command line. If this option is used, it must be the last
314on the command-line. If there is no B<-e> option then the default is to 379on the command-line. If there is no B<-e> option then the default is to
315run the program specified by the B<SHELL> environment variable or, 380run the program specified by the B<SHELL> environment variable or,
316failing that, I<sh(1)>. 381failing that, I<sh(1)>.
317 382
383Please note that you must specify a program with arguments. If you want to
384run shell commands, you have to specify the shell, like this:
385
386 @@RXVT_NAME@@ -e sh -c "shell commands"
387
318=item B<-title> I<text> 388=item B<-title> I<text>
319 389
320Window title (B<-T> still respected); the default title is the basename 390Window title (B<-T> still respected); the default title is the basename
321of the program specified after the B<-e> option, if any, otherwise the 391of the program specified after the B<-e> option, if any, otherwise the
322application name; resource B<title>. 392application name; resource B<title>.
353for more info. 423for more info.
354 424
355=item B<-tcw> 425=item B<-tcw>
356 426
357Change the meaning of triple-click selection with the left mouse 427Change the meaning of triple-click selection with the left mouse
428button. Only effective when the original (non-perl) selection code is
358button. Instead of selecting a full line it will extend the selection the 429in-use. Instead of selecting a full line it will extend the selection to
359end of the logical line only. resource B<tripleclickwords>. 430the end of the logical line only. resource B<tripleclickwords>.
360 431
361=item B<-insecure> 432=item B<-insecure>
362 433
363Enable "insecure" mode, which currently enables most of the escape 434Enable "insecure" mode, which currently enables most of the escape
364sequences that echo strings. See the resource B<insecure> for more 435sequences that echo strings. See the resource B<insecure> for more
378=item B<-ssr>|B<+ssr> 449=item B<-ssr>|B<+ssr>
379 450
380Turn on/off secondary screen scroll (default enabled); resource 451Turn on/off secondary screen scroll (default enabled); resource
381B<secondaryScroll>. 452B<secondaryScroll>.
382 453
454=item B<-hold>|B<+hold>
455
456Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
457will not immediately destroy its window when the program executed within
458it exits. Instead, it will wait till it is being killed or closed by the
459user; resource B<hold>.
460
461=item B<-cd> I<path>
462
463Sets the working directory for the shell (or the command specified via
464B<-e>). The I<path> must be an absolute path and it must exist for
465@@RXVT_NAME@@ to start; resource B<chdir>.
466
467=item B<-xrm> I<string>
468
469Works like the X Toolkit option of the same name, by adding the I<string>
470as if it were specified in a resource file. Resource values specified this
471way take precedence over all other resource specifications.
472
473Note that you need to use the I<same> syntax as in the .Xdefaults file,
474e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
475options can be specified as long-options on the commandline, so use
476of B<-xrm> is mostly limited to cases where you want to specify other
477resources (e.g. for input methods) or for compatibility with other
478programs.
479
383=item B<-keysym.>I<sym> I<string> 480=item B<-keysym.>I<sym> I<string>
384 481
385Remap a key symbol. See resource B<keysym>. 482Remap a key symbol. See resource B<keysym>.
386 483
387=item B<-embed> I<windowid> 484=item B<-embed> I<windowid>
388 485
389Tells @@RXVT_NAME@@ to embed it's windows into an already-existing window, 486Tells @@RXVT_NAME@@ to embed its windows into an already-existing window,
390which enables applications to easily embed a terminal. 487which enables applications to easily embed a terminal.
391 488
392Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it 489Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it
393shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it 490shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it
394quite a bit, so don't expect it to keep some specific state. It's best to 491quite a bit, so don't expect it to keep some specific state. It's best to
397The window will not be destroyed when @@RXVT_NAME@@ exits. 494The window will not be destroyed when @@RXVT_NAME@@ exits.
398 495
399It might be useful to know that @@RXVT_NAME@@ will not close file 496It might be useful to know that @@RXVT_NAME@@ will not close file
400descriptors passed to it (except for stdin/out/err, of course), so you 497descriptors passed to it (except for stdin/out/err, of course), so you
401can use file descriptors to communicate with the programs within the 498can use file descriptors to communicate with the programs within the
402terminal. This works regardless of wether the C<-embed> option was used or 499terminal. This works regardless of whether the C<-embed> option was used or
403not. 500not.
404 501
405Here is a short Gtk2-perl snippet that illustrates how this option can be 502Here is a short Gtk2-perl snippet that illustrates how this option can be
406used (a longer example is in F<doc/embed>): 503used (a longer example is in F<doc/embed>):
407 504
409 $rxvt->signal_connect_after (realize => sub { 506 $rxvt->signal_connect_after (realize => sub {
410 my $xid = $_[0]->window->get_xid; 507 my $xid = $_[0]->window->get_xid;
411 system "@@RXVT_NAME@@ -embed $xid &"; 508 system "@@RXVT_NAME@@ -embed $xid &";
412 }); 509 });
413 510
414=item B<-pty-fd> I<fileno> 511=item B<-pty-fd> I<file descriptor>
415 512
416Tells @@RXVT_NAME@@ NOT to execute any commands or create a new pty/tty 513Tells @@RXVT_NAME@@ NOT to execute any commands or create a new pty/tty
417pair but instead use the given filehandle as the tty master. This is 514pair but instead use the given file descriptor as the tty master. This is
418useful if you want to drive @@RXVT_NAME@@ as a generic terminal emulator 515useful if you want to drive @@RXVT_NAME@@ as a generic terminal emulator
419without having to run a program within it. 516without having to run a program within it.
420 517
421If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 518If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
422entries and will not tinker with pty/tty permissions - you have to do that 519entries and will not tinker with pty/tty permissions - you have to do that
423yourself if you want that. 520yourself if you want that.
521
522As an extremely special case, specifying C<-1> will completely suppress
523pty/tty operations, which is probably only useful in conjunction with some
524perl extension that manages the terminal.
424 525
425Here is a example in perl that illustrates how this option can be used (a 526Here is a example in perl that illustrates how this option can be used (a
426longer example is in F<doc/pty-fd>): 527longer example is in F<doc/pty-fd>):
427 528
428 use IO::Pty; 529 use IO::Pty;
435 536
436 # now communicate with rxvt 537 # now communicate with rxvt
437 my $slave = $pty->slave; 538 my $slave = $pty->slave;
438 while (<$slave>) { print $slave "got <$_>\n" } 539 while (<$slave>) { print $slave "got <$_>\n" }
439 540
541=item B<-pe> I<string>
542
543Comma-separated list of perl extension scripts to use (or not to use) in
544this terminal instance. See resource B<perl-ext> for details.
545
440=back 546=back
441 547
442=head1 RESOURCES (available also as long-options) 548=head1 RESOURCES
443 549
444Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 550Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
445options) compiled into your version. 551options) compiled into your version. All resources are also available as
552long-options.
446 553
447There are two different methods that @@RXVT_NAME@@ can use to get the 554You can set and change the resources using X11 tools like B<xrdb>. Many
448Xresource data: using the X libraries (Xrm*-functions) or internal 555distribution do also load settings from the B<~/.Xresources> file when X
449Xresources reader (B<~/.Xdefaults>). For the first method (ie. 556starts. @@RXVT_NAME@@ will consult the following files/resources in order,
450B<@@RXVT_NAME@@ -h> lists B<XGetDefaults>), you can set and change the 557with later settings overwriting earlier ones:
451resources using X11 tools like B<xrdb>. Many distribution do also load
452settings from the B<~/.Xresources> file when X starts. @@RXVT_NAME@@
453will consult the following files/resources in order, with later settings
454overwriting earlier ones:
455 558
456 1. system-wide app-defaults file, either locale-dependent OR global
457 2. app-defaults file in $XAPPLRESDIR 559 1. app-defaults file in $XAPPLRESDIR
560 2. $HOME/.Xdefaults
458 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 561 3. RESOURCE_MANAGER property on root-window of screen 0
459 4. SCREEN_RESOURCES for the current screen 562 4. SCREEN_RESOURCES property on root-window of the current screen
460 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 563 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
564 6. resources specified via -xrm on the commandline
461 565
462If compiled with internal Xresources support (i.e. B<@@RXVT_NAME@@ -h>
463lists B<.Xdefaults>) then B<@@RXVT_NAME@@> accepts application defaults
464set in XAPPLOADDIR/URxvt (compile-time defined: usually
465B</usr/lib/X11/app-defaults/URxvt>) and resources set in
466B<~/.Xdefaults>, or B<~/.Xresources> if B<~/.Xdefaults> does not exist.
467Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two 566Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
468class names: B<XTerm> and B<URxvt>. The class name B<Rxvt> allows 567names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
469resources common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be 568common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
470easily configured, while the class name B<URxvt> allows resources 569configured, while the class name B<URxvt> allows resources unique to
471unique to B<@@RXVT_NAME@@>, notably colours and key-handling, to be 570B<@@RXVT_NAME@@>, to be shared between different B<@@RXVT_NAME@@>
472shared between different B<@@RXVT_NAME@@> configurations. If no 571configurations. If no resources are specified, suitable defaults will
473resources are specified, suitable defaults will be used. Command-line 572be used. Command-line arguments can be used to override resource
474arguments can be used to override resource settings. The following 573settings. The following resources are supported (you might want to
475resources are allowed: 574check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl
575extensions not documented here):
476 576
477=over 4 577=over 4
578
579=item B<depth:> I<bitdepth>
580
581Compile I<xft>: Attempt to find a visual with the given bit depth;
582option B<-depth>.
583
584=item B<buffered:> I<boolean>
585
586Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
587On some card/driver combination enabling it slightly decreases
588performance, on most it greatly helps it. The slowdown is small, so it
589should normally be enabled.
478 590
479=item B<geometry:> I<geom> 591=item B<geometry:> I<geom>
480 592
481Create the window with the specified X window geometry [default 80x24]; 593Create the window with the specified X window geometry [default 80x24];
482option B<-geometry>. 594option B<-geometry>.
496Use the specified colour for the colour value I<n>, where 0-7 608Use the specified colour for the colour value I<n>, where 0-7
497corresponds to low-intensity (normal) colours and 8-15 corresponds to 609corresponds to low-intensity (normal) colours and 8-15 corresponds to
498high-intensity (bold = bright foreground, blink = bright background) 610high-intensity (bold = bright foreground, blink = bright background)
499colours. The canonical names are as follows: 0=black, 1=red, 2=green, 611colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5003=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6123=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
501names used are listed in the B<COLORS AND GRAPHICS> section. 613names used are listed in the B<COLOURS AND GRAPHICS> section.
502 614
503Colours higher than 15 cannot be set using resources (yet), but can be 615Colours higher than 15 cannot be set using resources (yet), but can be
504changed using an escape command (see @@RXVT_NAME@@(7)). 616changed using an escape command (see @@RXVT_NAME@@(7)).
505 617
506Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 618Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
517=item B<colorUL:> I<colour> 629=item B<colorUL:> I<colour>
518 630
519Use the specified colour to display underlined characters when the 631Use the specified colour to display underlined characters when the
520foreground colour is the default. 632foreground colour is the default.
521 633
522=item B<colorRV:> I<colour>
523
524Use the specified colour as the background for reverse video
525characters.
526
527=item B<underlineColor:> I<colour> 634=item B<underlineColor:> I<colour>
528 635
529If set, use the specified colour as the colour for the underline 636If set, use the specified colour as the colour for the underline
530itself. If unset, use the foreground colour. 637itself. If unset, use the foreground colour.
638
639=item B<highlightColor:> I<colour>
640
641If set, use the specified colour as the background for highlighted
642characters. If unset, use reverse video.
643
644=item B<highlightTextColor:> I<colour>
645
646If set and highlightColor is set, use the specified colour as the
647foreground for highlighted characters.
531 648
532=item B<cursorColor:> I<colour> 649=item B<cursorColor:> I<colour>
533 650
534Use the specified colour for the cursor. The default is to use the 651Use the specified colour for the cursor. The default is to use the
535foreground colour; option B<-cr>. 652foreground colour; option B<-cr>.
542 659
543=item B<reverseVideo:> I<boolean> 660=item B<reverseVideo:> I<boolean>
544 661
545B<True>: simulate reverse video by foreground and background colours; 662B<True>: simulate reverse video by foreground and background colours;
546option B<-rv>. B<False>: regular screen colours [default]; option 663option B<-rv>. B<False>: regular screen colours [default]; option
547B<+rv>. See note in B<COLORS AND GRAPHICS> section. 664B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
548 665
549=item B<jumpScroll:> I<boolean> 666=item B<jumpScroll:> I<boolean>
550 667
551B<True>: specify that jump scrolling should be used. When scrolling 668B<True>: specify that jump scrolling should be used. When receiving lots
552quickly, fewer screen updates are performed [default]; option B<-j>. 669of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
670has been read, resulting in fewer updates while still displaying every
671received line; option B<-j>.
672
553B<False>: specify that smooth scrolling should be used; option B<+j>. 673B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
674force a screen refresh on each new line it received; option B<+j>.
554 675
555=item B<inheritPixmap:> I<boolean> 676=item B<skipScroll:> I<boolean>
556 677
557B<True>: make the background inherit the parent windows' pixmap, giving 678B<True>: (the default) specify that skip scrolling should be used. When
558artificial transparency. B<False>: do not inherit the parent windows' 679receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
559pixmap. 680(around 60 times per second), resulting in far fewer updates. This can
681result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
682option B<-ss>.
683
684B<False>: specify that everything is to be displayed, even
685if the refresh is too fast for the human eye to read anything (or the
686monitor to display anything); option B<+ss>.
687
688=item B<transparent:> I<boolean>
689
690Turn on/off pseudo-transparency by using the root pixmap as background.
691
692B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
693future versions.
560 694
561=item B<fading:> I<number> 695=item B<fading:> I<number>
562 696
563Fade the text by the given percentage when focus is lost; option B<-fade>. 697Fade the text by the given percentage when focus is lost; option B<-fade>.
564 698
567Fade to this colour, when fading is used (see B<fading:>). The default 701Fade to this colour, when fading is used (see B<fading:>). The default
568colour is black; option B<-fadecolor>. 702colour is black; option B<-fadecolor>.
569 703
570=item B<tintColor:> I<colour> 704=item B<tintColor:> I<colour>
571 705
572Tint the transparent background pixmap with the given colour; option 706Tint the transparent background with the given colour. If the RENDER
573B<-tint>. 707extension is not available only black, red, green, yellow, blue,
708magenta, cyan and white tints can be performed server-side. Note that
709a black tint yields a completely black image while a white tint yields
710the image unchanged; option B<-tint>.
574 711
575=item B<shading:> I<number> 712=item B<shading:> I<number>
576 713
577Darken (0 .. 100) or lighten (-1 .. -100) the transparent background 714Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
578image in addition to tinting it. 715A value of 100 means no shading; option B<-sh>.
716
717=item B<blurRadius:> I<number>
718
719Apply gaussian blur with the specified radius to the transparent
720background; option B<-blr>.
721
722=item B<iconFile:> I<file>
723
724Set the application icon pixmap; option B<-icon>.
579 725
580=item B<scrollColor:> I<colour> 726=item B<scrollColor:> I<colour>
581 727
582Use the specified colour for the scrollbar [default #B2B2B2]. 728Use the specified colour for the scrollbar [default #B2B2B2].
583 729
589=item B<borderColor:> I<colour> 735=item B<borderColor:> I<colour>
590 736
591The colour of the border around the text area and between the scrollbar 737The colour of the border around the text area and between the scrollbar
592and the text. 738and the text.
593 739
594=item B<backgroundPixmap:> I<file[;geom]> 740=item B<backgroundPixmap:> I<file[;oplist]>
595 741
596Use the specified XPM file (note the `.xpm' extension is optional) for 742Use the specified image file for the background and also
597the background and also optionally specify its scaling with a geometry 743optionally specify a colon separated list of operations to modify it.
598string B<WxH+X+Y>, in which B<"W" / "H"> specify the 744Supported operations are:
599horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image
600centre (percent). A scale of 0 displays the image with tiling. A scale
601of 1 displays the image without any scaling. A scale of 2 to 9
602specifies an integer number of images in that direction. No image will
603be magnified beyond 10 times its original size. The maximum permitted
604scale is 1000. [default 0x0+50+50]
605 745
606=item B<menu:> I<file[;tag]> 746=over 4
607 747
608Read in the specified menu file (note the `.menu' extension is 748=item B<WxH+X+Y>
609optional) and also optionally specify a starting tag to find. See the 749
610reference documentation for details on the syntax for the menuBar. 750sets scale and position. B<"W" / "H"> specify the horizontal/vertical
751scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
752scale of 0 disables scaling.
753
754=item B<op=tile>
755
756enables tiling
757
758=item B<op=keep-aspect>
759
760maintain the image aspect ratio when scaling
761
762=item B<op=root-align>
763
764use the position of the terminal window relative to the root window as
765the image offset, simulating a root window background
766
767=back
768
769The default scale and position setting is C<100x100+50+50>.
770Alternatively, a predefined set of templates can be used to achieve
771the most common setups:
772
773=over 4
774
775=item B<style=tiled>
776
777the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
778
779=item B<style=aspect-stretched>
780
781the image is scaled to fill the whole window maintaining the aspect
782ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
783
784=item B<style=stretched>
785
786the image is scaled to fill the whole window. Equivalent to 100x100
787
788=item B<style=centered>
789
790the image is centered with no scaling. Equivalent to 0x0+50+50
791
792=item B<style=root-tiled>
793
794the image is tiled with no scaling and using 'root' positioning.
795Equivalent to 0x0:op=tile:op=root-align
796
797=back
798
799If multiple templates are specified the last one wins. Note that a
800template overrides all the scale, position and operations settings.
801
802If used in conjunction with B<-tr> option, the specified pixmap will be
803blended over the transparent background using alpha-blending.
611 804
612=item B<path:> I<path> 805=item B<path:> I<path>
613 806
614Specify the colon-delimited search path for finding files (XPM and 807Specify the colon-delimited search path for finding background image files.
615menus), in addition to the paths specified by the B<RXVTPATH> and
616B<PATH> environment variables.
617 808
618=item B<font:> I<fontlist> 809=item B<font:> I<fontlist>
619 810
620Select the fonts to be used. This is a comma separated list of font 811Select the fonts to be used. This is a comma separated list of font names
621names that are used in turn when trying to display Unicode characters. 812that are checked in order when trying to find glyphs for characters. The
622The first font defines the cell size for characters; other fonts might 813first font defines the cell size for characters; other fonts might be
623be smaller, but not larger. A reasonable default font list is always 814smaller, but not (in general) larger. A (hopefully) reasonable default
624appended to it. option B<-fn>. 815font list is always appended to it; option B<-fn>.
625 816
626Each font can either be a standard X11 core font (XLFD) name, with 817Each font can either be a standard X11 core font (XLFD) name, with
627optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>. 818optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>.
628 819
629In addition, each font can be prefixed with additional hints and 820In addition, each font can be prefixed with additional hints and
631hint currently is C<codeset=codeset-name>, and this is only used for Xft 822hint currently is C<codeset=codeset-name>, and this is only used for Xft
632fonts. 823fonts.
633 824
634For example, this font resource 825For example, this font resource
635 826
636 URxvt*font: 9x15bold,\ 827 URxvt.font: 9x15bold,\
637 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\ 828 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\
638 -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \ 829 -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \
639 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \ 830 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \
640 xft:Code2000:antialias=false 831 xft:Code2000:antialias=false
641 832
644it is named first) and thus defines the character cell grid to be 9 pixels 835it is named first) and thus defines the character cell grid to be 9 pixels
645wide and 15 pixels high. 836wide and 15 pixels high.
646 837
647The second font is just used to add additional unicode characters not in 838The second font is just used to add additional unicode characters not in
648the base font, likewise the third, which is unfortunately non-bold, but 839the base font, likewise the third, which is unfortunately non-bold, but
649the bold version of the font does contain less characters, so this is a 840the bold version of the font does contain fewer characters, so this is a
650useful supplement. 841useful supplement.
651 842
652The third font is an Xft font with aliasing turned off, and the characters 843The third font is an Xft font with aliasing turned off, and the characters
653are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 844are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
654contains other characters, but we are not interested in them. 845contains other characters, but we are not interested in them.
675not possible, replacement fonts of the desired shape will be tried. 866not possible, replacement fonts of the desired shape will be tried.
676 867
677If set, but empty, then this specific style is disabled and the normal 868If set, but empty, then this specific style is disabled and the normal
678text font will being used for the given style. 869text font will being used for the given style.
679 870
680=item B<selectstyle:> I<mode> 871=item B<intensityStyles:> I<boolean>
681 872
682Set mouse selection style to B<old> which is 2.20, B<oldword> which is 873When font styles are not enabled, or this option is enabled (B<True>,
683xterm style with 2.20 old word selection, or anything else which gives 874option B<-is>, the default), bold/blink font styles imply high
684xterm style selection. 875intensity foreground/background colours. Disabling this option (B<False>,
685 876option B<+is>) disables this behaviour, the high intensity colours are not
686=item B<scrollstyle:> I<mode> 877reachable.
687
688Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
689the author's favourite.
690 878
691=item B<title:> I<string> 879=item B<title:> I<string>
692 880
693Set window title string, the default title is the command-line 881Set window title string, the default title is the command-line
694specified after the B<-e> option, if any, otherwise the application 882specified after the B<-e> option, if any, otherwise the application
703=item B<mapAlert:> I<boolean> 891=item B<mapAlert:> I<boolean>
704 892
705B<True>: de-iconify (map) on receipt of a bell character. B<False>: no 893B<True>: de-iconify (map) on receipt of a bell character. B<False>: no
706de-iconify (map) on receipt of a bell character [default]. 894de-iconify (map) on receipt of a bell character [default].
707 895
896=item B<urgentOnBell:> I<boolean>
897
898B<True>: set the urgency hint for the wm on receipt of a bell character.
899B<False>: do not set the urgency hint [default].
900
901@@RXVT_NAME@@ resets the urgency hint on every focus change.
902
708=item B<visualBell:> I<boolean> 903=item B<visualBell:> I<boolean>
709 904
710B<True>: use visual bell on receipt of a bell character; option B<-vb>. 905B<True>: use visual bell on receipt of a bell character; option B<-vb>.
711B<False>: no visual bell [default]; option B<+vb>. 906B<False>: no visual bell [default]; option B<+vb>.
712 907
730 925
731The string will be interpreted as if typed into the shell as-is. 926The string will be interpreted as if typed into the shell as-is.
732 927
733Example: 928Example:
734 929
735 URxvt*print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 930 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
736 931
737This creates a new file in your home directory with the screen contents 932This creates a new file in your home directory with the screen contents
738everytime you hit C<Print>. 933every time you hit C<Print>.
934
935=item B<scrollstyle:> I<mode>
936
937Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
938the author's favourite.
939
940=item B<thickness:> I<number>
941
942Set the scrollbar width in pixels.
739 943
740=item B<scrollBar:> I<boolean> 944=item B<scrollBar:> I<boolean>
741 945
742B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 946B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
743disable the scrollbar; option B<+sb>. 947disable the scrollbar; option B<+sb>.
763B<False>: do not scroll to bottom when tty receives output; option 967B<False>: do not scroll to bottom when tty receives output; option
764B<+si>. 968B<+si>.
765 969
766=item B<scrollWithBuffer:> I<boolean> 970=item B<scrollWithBuffer:> I<boolean>
767 971
768B<True>: scroll with scrollback buffer when tty receives new lines (and 972B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
769B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 973try to show the same lines) and B<scrollTtyOutput> is False; option
770with scrollback buffer when tty recieves new lines; option B<+sw>. 974B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
975new lines; option B<+sw>.
771 976
772=item B<scrollTtyKeypress:> I<boolean> 977=item B<scrollTtyKeypress:> I<boolean>
773 978
774B<True>: scroll to bottom when a non-special key is pressed. Special keys 979B<True>: scroll to bottom when a non-special key is pressed. Special keys
775are those which are intercepted by rxvt-unicode for special handling and 980are those which are intercepted by rxvt-unicode for special handling and
794=item B<borderLess:> I<boolean> 999=item B<borderLess:> I<boolean>
795 1000
796Set MWM hints to request a borderless window, i.e. if honoured by the 1001Set MWM hints to request a borderless window, i.e. if honoured by the
797WM, the rxvt-unicode window will not have window decorations; option B<-bl>. 1002WM, the rxvt-unicode window will not have window decorations; option B<-bl>.
798 1003
1004=item B<skipBuiltinGlyphs:> I<boolean>
1005
1006Compile I<frills>: Disable the usage of the built-in block graphics/line
1007drawing characters and just rely on what the specified fonts provide. Use
1008this if you have a good font and want to use its block graphic glyphs;
1009option B<-sbg>.
1010
799=item B<termName:> I<termname> 1011=item B<termName:> I<termname>
800 1012
801Specifies the terminal type name to be set in the B<TERM> environment 1013Specifies the terminal type name to be set in the B<TERM> environment
802variable; option B<-tn>. 1014variable; option B<-tn>.
803 1015
804=item B<linespace:> I<number> 1016=item B<lineSpace:> I<number>
805 1017
806Specifies number of lines (pixel height) to insert between each row of 1018Specifies number of lines (pixel height) to insert between each row of
807the display [default 0]; option B<-lsp>. 1019the display [default 0]; option B<-lsp>.
808 1020
809=item B<meta8:> I<boolean> 1021=item B<meta8:> I<boolean>
823 1035
824=item B<cursorBlink:> I<boolean> 1036=item B<cursorBlink:> I<boolean>
825 1037
826B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1038B<True>: blink the cursor. B<False>: do not blink the cursor [default];
827option B<-bc>. 1039option B<-bc>.
1040
1041=item B<cursorUnderline:> I<boolean>
1042
1043B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1044option B<-uc>.
828 1045
829=item B<pointerBlank:> I<boolean> 1046=item B<pointerBlank:> I<boolean>
830 1047
831B<True>: blank the pointer when a key is pressed or after a set number 1048B<True>: blank the pointer when a key is pressed or after a set number
832of seconds of inactivity. B<False>: the pointer is always visible 1049of seconds of inactivity. B<False>: the pointer is always visible
846large number (e.g. C<987654321>) to effectively disable the timeout. 1063large number (e.g. C<987654321>) to effectively disable the timeout.
847 1064
848=item B<backspacekey:> I<string> 1065=item B<backspacekey:> I<string>
849 1066
850The string to send when the backspace key is pressed. If set to B<DEC> 1067The string to send when the backspace key is pressed. If set to B<DEC>
851or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1068or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
852(code 8) - which can be reversed with the appropriate DEC private mode 1069(code 8) - which can be reversed with the appropriate DEC private mode
853escape sequence. 1070escape sequence.
854 1071
855=item B<deletekey:> I<string> 1072=item B<deletekey:> I<string>
856 1073
858pressed. If unset it will send the sequence traditionally associated 1075pressed. If unset it will send the sequence traditionally associated
859with the B<Execute> key. 1076with the B<Execute> key.
860 1077
861=item B<cutchars:> I<string> 1078=item B<cutchars:> I<string>
862 1079
863The characters used as delimiters for double-click word selection. The 1080The characters used as delimiters for double-click word selection
864built-in default: 1081(whitespace delimiting is added automatically if resource is given).
865 1082
1083When the perl selection extension is in use (the default if compiled
1084in, see the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these
1085characters will be created (if the resource exists, otherwise, no regex
1086will be created). In this mode, characters outside ISO-8859-1 can be used.
1087
1088When the selection extension is not used, only ISO-8859-1 characters can
1089be used. If not specified, the built-in default is used:
1090
866B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1091B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
867 1092
868=item B<preeditType:> I<style> 1093=item B<preeditType:> I<style>
869 1094
870B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1095B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
871 1096
876=item B<imLocale:> I<name> 1101=item B<imLocale:> I<name>
877 1102
878The locale to use for opening the IM. You can use an C<LC_CTYPE> of e.g. 1103The locale to use for opening the IM. You can use an C<LC_CTYPE> of e.g.
879C<de_DE.UTF-8> for normal text processing but C<ja_JP.EUC-JP> for the 1104C<de_DE.UTF-8> for normal text processing but C<ja_JP.EUC-JP> for the
880input extension to be able to input japanese characters while staying in 1105input extension to be able to input japanese characters while staying in
881another locale. option B<-imlocale>. 1106another locale; option B<-imlocale>.
882 1107
883=item B<imFont:> I<fontset> 1108=item B<imFont:> I<fontset>
884 1109
885Specify the font-set used for XIM styles C<OverTheSpot> or 1110Specify the font-set used for XIM styles C<OverTheSpot> or
886C<OffTheSpot>. It must be a standard X font set (XLFD patterns separated 1111C<OffTheSpot>. It must be a standard X font set (XLFD patterns separated
891 1116
892=item B<tripleclickwords:> I<boolean> 1117=item B<tripleclickwords:> I<boolean>
893 1118
894Change the meaning of triple-click selection with the left mouse 1119Change the meaning of triple-click selection with the left mouse
895button. Instead of selecting a full line it will extend the selection to 1120button. Instead of selecting a full line it will extend the selection to
896the end of the logical line only. option B<-tcw>. 1121the end of the logical line only; option B<-tcw>.
897 1122
898=item B<insecure:> I<boolean> 1123=item B<insecure:> I<boolean>
899 1124
900Enables "insecure" mode. Rxvt-unicode offers some escape sequences that 1125Enables "insecure" mode. Rxvt-unicode offers some escape sequences that
901echo arbitrary strings like the icon name or the locale. This could be 1126echo arbitrary strings like the icon name or the locale. This could be
905default. (Note that many other terminals, including xterm, have these 1130default. (Note that many other terminals, including xterm, have these
906sequences enabled by default, which doesn't make it safer, though). 1131sequences enabled by default, which doesn't make it safer, though).
907 1132
908You can enable them by setting this boolean resource or specifying 1133You can enable them by setting this boolean resource or specifying
909B<-insecure> as an option. At the moment, this enables display-answer, 1134B<-insecure> as an option. At the moment, this enables display-answer,
910locale, findfont, icon label and window title requests as well as dynamic 1135locale, findfont, icon label and window title requests.
911menubar dispatch.
912 1136
913=item B<modifier:> I<modifier> 1137=item B<modifier:> I<modifier>
914 1138
915Set the key to be interpreted as the Meta key to: B<alt>, B<meta>, 1139Set the key to be interpreted as the Meta key to: B<alt>, B<meta>,
916B<hyper>, B<super>, B<mod1>, B<mod2>, B<mod3>, B<mod4>, B<mod5>; option 1140B<hyper>, B<super>, B<mod1>, B<mod2>, B<mod3>, B<mod4>, B<mod5>; option
920 1144
921Specify the reply rxvt-unicode sends to the shell when an ENQ (control-E) 1145Specify the reply rxvt-unicode sends to the shell when an ENQ (control-E)
922character is passed through. It may contain escape values as described 1146character is passed through. It may contain escape values as described
923in the entry on B<keysym> following. 1147in the entry on B<keysym> following.
924 1148
925=item B<secondaryScreen:> I<bool> 1149=item B<secondaryScreen:> I<boolean>
926 1150
927Turn on/off secondary screen (default enabled). 1151Turn on/off secondary screen (default enabled).
928 1152
929=item B<secondaryScroll:> I<bool> 1153=item B<secondaryScroll:> I<boolean>
930 1154
931Turn on/off secondary screen scroll (default enabled). If the this 1155Turn on/off secondary screen scroll (default enabled). If this
932option is enabled, scrolls on the secondary screen will change the 1156option is enabled, scrolls on the secondary screen will change the
933scrollback buffer and switching to/from the secondary screen will 1157scrollback buffer and, when secondaryScreen is off, switching
934instead scroll the screen up. 1158to/from the secondary screen will instead scroll the screen up.
1159
1160=item B<hold>: I<boolean>
1161
1162Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1163will not immediately destroy its window when the program executed within
1164it exits. Instead, it will wait till it is being killed or closed by the
1165user.
1166
1167=item B<chdir>: I<path>
1168
1169Sets the working directory for the shell (or the command specified via
1170B<-e>). The I<path> must be an absolute path and it must exist for
1171@@RXVT_NAME@@ to start. If it isn't specified then the current working
1172directory will be used; option B<-cd>.
935 1173
936=item B<keysym.>I<sym>: I<string> 1174=item B<keysym.>I<sym>: I<string>
937 1175
938Compile I<frills>: Associate I<string> with keysym I<sym>. The 1176Compile I<frills>: Associate I<string> with keysym I<sym>. The
939intervening resource name B<keysym.> cannot be omitted. 1177intervening resource name B<keysym.> cannot be omitted.
953searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1191searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
954omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1192omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
955keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1193keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
956performed in an exact manner; however, the closest match is assured. 1194performed in an exact manner; however, the closest match is assured.
957 1195
958I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1196I<string> may contain escape values (C<\n>: newline, C<\000>: octal
959C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1197number), see RESOURCES in C<man 7 X> for further details.
960C<\000>: octal number) or verbatim control characters (C<^?>: delete,
961C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
962can start or end with whitespace.
963 1198
964Please note that you need to double the C<\> when using
965C<--enable-xgetdefault>, as X itself does it's own de-escaping (you can
966use C<\033> instead of C<\e> (and so on), which will work with both Xt and
967@@RXVT_NAME@@'s own processing).
968
969You can define a range of keysyms in one shot by providing a I<string> 1199You can define a range of keysyms in one shot by
1200loading the C<keysym-list> perl extension and providing a I<string>
970with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/' 1201with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
971should be a character not used by the strings. 1202should be a character not used by the strings.
972 1203
973Its usage can be demonstrated by an example: 1204Its usage can be demonstrated by an example:
974 1205
975 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1206 URxvt.keysym.M-C-0x61: list|\033<|abc|>
976 1207
977The above line is equivalent to the following three lines: 1208The above line is equivalent to the following three lines:
978 1209
979 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1210 URxvt.keysym.Meta-Control-0x61: \033<a>
980 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1211 URxvt.keysym.Meta-Control-0x62: \033<b>
981 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1212 URxvt.keysym.Meta-Control-0x63: \033<c>
982 1213
983If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1214If I<string> takes the form of C<command:STRING>, the specified B<STRING>
984is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1215is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
985example the following means "change the current locale to C<zh_CN.GBK> 1216example the following means "change the current locale to C<zh_CN.GBK>
986when Control-Meta-c is being pressed": 1217when Control-Meta-c is being pressed":
987 1218
988 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1219 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
989 1220
1221If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1222is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1223manpage. For example, the F<selection> extension (activated via
1224C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1225
1226 URxvt.keysym.M-C-c: perl:selection:rot13
1227
990Due the the large number of modifier combinations, a defined key mapping 1228Due the the large number of modifier combinations, a defined key mapping
991will match if at I<at least> the specified identifiers are being set, and 1229will match if I<at least> the specified identifiers are being set, and
992no other key mappings with those and more bits are being defined. That 1230no other key mappings with those and more bits are being defined. That
993means that defining a key map for C<a> will automatically provide 1231means that defining a key map for C<a> will automatically provide
994definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1232definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
995mappings themselves. 1233mappings themselves.
996 1234
1016Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more 1254Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more
1017info): 1255info):
1018 1256
1019 URxvt.keysym.M-C-3: command:\033[8;25;80t 1257 URxvt.keysym.M-C-3: command:\033[8;25;80t
1020 URxvt.keysym.M-C-4: command:\033[8;48;110t 1258 URxvt.keysym.M-C-4: command:\033[8;48;110t
1259
1260=item B<perl-ext-common>: I<string>
1261
1262=item B<perl-ext>: I<string>
1263
1264Comma-separated list(s) of perl extension scripts (default: C<default>) to
1265use in this terminal instance; option B<-pe>.
1266
1267Extension names can be prefixed with a C<-> sign to prohibit using
1268them. This can be useful to selectively disable some extensions loaded
1269by default, or specified via the C<perl-ext-common> resource. For
1270example, C<default,-selection> will use all the default extension except
1271C<selection>.
1272
1273Extension names can also be followed by an argument in angle brackets
1274(e.g. C<< searchable-scrollback<M-s> >>, which binds the hotkey for
1275searchable scrollback to Alt/Meta-s). Mentioning the same extension
1276multiple times with different arguments will pass multiple arguments to
1277the extension.
1278
1279Each extension is looked up in the library directories, loaded if
1280necessary, and bound to the current terminal instance.
1281
1282If both of these resources are the empty string, then the perl
1283interpreter will not be initialized. The idea behind two options is that
1284B<perl-ext-common> will be used for extensions that should be available to
1285all instances, while B<perl-ext> is used for specific instances.
1286
1287=item B<perl-eval>: I<string>
1288
1289Perl code to be evaluated when all extensions have been registered. See
1290the @@RXVT_NAME@@perl(3) manpage.
1291
1292=item B<perl-lib>: I<path>
1293
1294Colon-separated list of additional directories that hold extension
1295scripts. When looking for perl extensions, @@RXVT_NAME@@ will first look
1296in these directories, then in C<$URXVT_PERL_LIB>, F<$HOME/.urxvt/ext> and
1297lastly in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1298
1299See the @@RXVT_NAME@@perl(3) manpage.
1300
1301=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1302
1303Additional selection patterns, see the @@RXVT_NAME@@perl(3) manpage for
1304details.
1305
1306=item B<< selection-autotransform.I<idx> >>: I<perl-transform>
1307
1308Selection auto-transform patterns, see the @@RXVT_NAME@@perl(3) manpage
1309for details.
1310
1311=item B<searchable-scrollback:> I<keysym>
1312
1313Sets the hotkey that starts the incremental scrollback buffer search
1314(default: C<M-s>).
1315
1316=item B<urlLauncher>: I<string>
1317
1318Specifies the program to be started with a URL argument. Used by the
1319C<selection-popup> and C<matcher> perl extensions.
1320
1321=item B<transient-for>: I<windowid>
1322
1323Compile I<frills>: Sets the WM_TRANSIENT_FOR property to the given window id.
1324
1325=item B<override-redirect>: I<boolean>
1326
1327Compile I<frills>: Sets override-redirect for the terminal window, making
1328it almost invisible to window managers; option B<-override-redirect>.
1329
1330=item B<iso14755:> I<boolean>
1331
1332Turn on/off ISO 14755 (default enabled).
1333
1334=item B<iso14755_52:> I<boolean>
1335
1336Turn on/off ISO 14755 5.2 mode (default enabled).
1021 1337
1022=back 1338=back
1023 1339
1024=head1 THE SCROLLBAR 1340=head1 THE SCROLLBAR
1025 1341
1044application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~> 1360application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
1045(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the 1361(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
1046up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down), 1362up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down),
1047respectively. 1363respectively.
1048 1364
1049=head1 TEXT SELECTION AND INSERTION 1365=head1 THE SELECTION: SELECTING AND PASTING TEXT
1050 1366
1051The behaviour of text selection and insertion mechanism is similar to 1367The behaviour of text selection and insertion/pasting mechanism is similar
1052I<xterm>(1). 1368to I<xterm>(1).
1053 1369
1054=over 4 1370=over 4
1055 1371
1056=item B<Selection>: 1372=item B<Selecting>:
1057 1373
1058Left click at the beginning of the region, drag to the end of the region 1374Left click at the beginning of the region, drag to the end of the region
1059and release; Right click to extend the marked region; Left double-click 1375and release; Right click to extend the marked region; Left double-click
1060to select a word; Left triple-click to select the entire logical line 1376to select a word; Left triple-click to select the entire logical line
1061(which can span multiple screen lines), unless modified by resource 1377(which can span multiple screen lines), unless modified by resource
1062B<tripleclickwords>. 1378B<tripleclickwords>.
1063 1379
1064Starting a selection while pressing the B<Meta> key (or B<Meta+Ctrl> keys) 1380Starting a selection while pressing the B<Meta> key (or B<Meta+Ctrl> keys)
1065(Compile: I<frills>) will create a rectangular selection instead of a normal 1381(Compile: I<frills>) will create a rectangular selection instead of a
1066one. 1382normal one. In this mode, every selected row becomes its own line in the
1383selection, and trailing whitespace is visually underlined and removed from
1384the selection.
1067 1385
1068=item B<Insertion>: 1386=item B<Pasting>:
1069 1387
1070Pressing and releasing the Middle mouse button (or B<Shift-Insert>) in 1388Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
1071an B<@@RXVT_NAME@@> window causes the current text selection to be 1389window causes the value of the PRIMARY selection (or CLIPBOARD with the
1072inserted as if it had been typed on the keyboard. 1390B<Meta> modifier) to be inserted as if it had been typed on the keyboard.
1391
1392Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
1393inserted too.
1073 1394
1074=back 1395=back
1075 1396
1076=head1 CHANGING FONTS 1397=head1 CHANGING FONTS
1077 1398
1078Changing fonts (or font sizes, respectively) via the keypad is not yet 1399Changing fonts (or font sizes, respectively) via the keypad is not yet
1079supported in rxvt-unicode. Bug me if you need this. 1400supported in rxvt-unicode. Bug me if you need this.
1080 1401
1081You can, however, switch fonts at runtime using escape sequences (and 1402You can, however, switch fonts at runtime using escape sequences, e.g.:
1082therefore using the menubar), e.g.:
1083 1403
1084 printf '\e]710;%s\007' "9x15bold,xft:Kochi Gothic" 1404 printf '\e]710;%s\007' "9x15bold,xft:Kochi Gothic"
1405
1406You can use keyboard shortcuts, too:
1407
1408 URxvt.keysym.M-C-1: command:\033]710;suxuseuro\007\033]711;suxuseuro\007
1409 URxvt.keysym.M-C-2: command:\033]710;9x15bold\007\033]711;9x15bold\007
1085 1410
1086rxvt-unicode will automatically re-apply these fonts to the output so far. 1411rxvt-unicode will automatically re-apply these fonts to the output so far.
1087 1412
1088=head1 ISO 14755 SUPPORT 1413=head1 ISO 14755 SUPPORT
1089 1414
1090ISO 14755 is a standard for entering and viewing unicode characters 1415ISO 14755 is a standard for entering and viewing unicode characters
1091and character codes using the keyboard. It consists of 4 parts. The 1416and character codes using the keyboard. It consists of 4 parts. The
1092first part is available rxvt-unicode has been compiled with 1417first part is available if rxvt-unicode has been compiled with
1093C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1418C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1094with C<--enable-iso14755>. 1419with C<--enable-iso14755>.
1095 1420
1096=over 4 1421=over 4
1097 1422
1117This mode lets you input characters representing the keycap symbols of 1442This mode lets you input characters representing the keycap symbols of
1118your keyboard, if representable in the current locale encoding. 1443your keyboard, if representable in the current locale encoding.
1119 1444
1120Start by pressing C<Control> and C<Shift> together, then releasing 1445Start by pressing C<Control> and C<Shift> together, then releasing
1121them. The next special key (cursor keys, home etc.) you enter will not 1446them. The next special key (cursor keys, home etc.) you enter will not
1122invoke it's usual function but instead will insert the corresponding 1447invoke its usual function but instead will insert the corresponding
1123keycap symbol. The symbol will only be entered when the key has been 1448keycap symbol. The symbol will only be entered when the key has been
1124released, otherwise pressing e.g. C<Shift> would enter the symbol for 1449released, otherwise pressing e.g. C<Shift> would enter the symbol for
1125C<ISO Level 2 Switch>, although your intention might have been to enter a 1450C<ISO Level 2 Switch>, although your intention might have been to enter a
1126reverse tab (Shift-Tab). 1451reverse tab (Shift-Tab).
1127 1452
1155B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1480B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1156it can be seen via the I<who(1)> command, and can accept messages. To 1481it can be seen via the I<who(1)> command, and can accept messages. To
1157allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1482allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1158on some systems or setgid to root or to some other group on others. 1483on some systems or setgid to root or to some other group on others.
1159 1484
1160=head1 COLORS AND GRAPHICS 1485=head1 COLOURS AND GRAPHICS
1161 1486
1162In addition to the default foreground and background colours, 1487In addition to the default foreground and background colours,
1163B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1488B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1164high-intensity bold/blink versions of the same). Here is a list of the 1489high-intensity (potentially bold/blink) versions of the same, and 72 (or
1165colours with their B<rgb.txt> names. 1490240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1491cube plus a 8 (24) colour greyscale ramp.
1492
1493Here is a list of the ANSI colours with their names.
1166 1494
1167=begin table 1495=begin table
1168 1496
1169 B<color0> (black) = Black 1497 B<color0> (black) = Black
1170 B<color1> (red) = Red3 1498 B<color1> (red) = Red3
1190It is also possible to specify the colour values of B<foreground>, 1518It is also possible to specify the colour values of B<foreground>,
1191B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1519B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1192a number 0-15, as a convenient shorthand to reference the colour name of 1520a number 0-15, as a convenient shorthand to reference the colour name of
1193color0-color15. 1521color0-color15.
1194 1522
1523The following text gives values for the standard 88 colour mode (and
1524values for the 256 colour mode in parentheses).
1525
1526The RGB cube uses indices 16..79 (16..231) using the following formulas:
1527
1528 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1529 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1530
1531The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1532steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1533the RGB cube.
1534
1535Together, all those colours implement the 88 (256) colour xterm
1536colours. Only the first 16 can be changed using resources currently, the
1537rest can only be changed via command sequences ("escape codes").
1538
1539Applications are advised to use terminfo or command sequences to discover
1540number and RGB values of all colours (yes, you can query this...).
1541
1195Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1542Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1196always swapping the foreground/background colours. This is in contrast to 1543always swapping the foreground/background colours. This is in contrast to
1197I<xterm>(1) where the colours are only swapped if they have not otherwise 1544I<xterm>(1) where the colours are only swapped if they have not otherwise
1198been specified. For example, 1545been specified. For example,
1199 1546
1547 @@RXVT_NAME@@ -fg Black -bg White -rv
1548
1549would yield White on Black, while on I<xterm>(1) it would yield Black on
1550White.
1551
1552=head2 ALPHA CHANNEL SUPPORT
1553
1554If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1555their act together, rxvt-unicode will do its own alpha channel management:
1556
1557You can prefix any colour with an opaqueness percentage enclosed in
1558brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1559(0-100) that specifies the opacity of the colour, where C<0> is completely
1560transparent and C<100> is completely opaque. For example, C<[50]red> is a
1561half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1562is the recommended format to specify transparency values, and works with
1563all ways to specify a colour.
1564
1565For complete control, rxvt-unicode also supports
1566C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1567specifications, where the additional C<aaaa> component specifies opacity
1568(alpha) values. The minimum value of C<0000> is completely transparent,
1569while C<ffff> is completely opaque). The two example colours from
1570earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1571C<rgba:0000/ff00/0000/f332>.
1572
1573You probably need to specify B<"-depth 32">, too, to force a visual with
1574alpha channels, and have the luck that your X-server uses ARGB pixel
1575layout, as X is far from just supporting ARGB visuals out of the box, and
1576rxvt-unicode just fudges around.
1577
1578For example, the following selects an almost completely transparent black
1579background, and an almost opaque pink foreground:
1580
1581 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1582
1583When not using a background image, then the interpretation of the
1584alpha channel is up to your compositing manager (most interpret it as
1585transparency of course).
1586
1587When using a background pixmap or pseudo-transparency, then the background
1588colour will always behave as if it were completely transparent (so the
1589background image shows instead), regardless of how it was specified, while
1590other colours will either be transparent as specified (the background
1591image will show through) on servers supporting the RENDER extension, or
1592fully opaque on servers not supporting the RENDER EXTENSION.
1593
1594Please note that due to bugs in Xft, specifying alpha values might result
1595in garbage being displayed when the X-server does not support the RENDER
1596extension.
1597
1598=head1 ENVIRONMENT
1599
1600B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1601
1200=over 4 1602=over 4
1201 1603
1202=item B<@@RXVT_NAME@@ -fg Black -bg White -rv>
1203
1204would yield White on Black, while on I<xterm>(1) it would yield Black
1205on White.
1206
1207=back
1208
1209=head1 ENVIRONMENT
1210
1211B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1212
1213=over 4
1214
1215=item B<TERM> 1604=item B<TERM>
1216 1605
1217Normally set to C<rxvt-unicode>, unless overwritten at configure time, via 1606Normally set to C<rxvt-unicode>, unless overwritten at configure time, via
1218resources or on the commandline. 1607resources or on the command line.
1219 1608
1220=item B<COLORTERM> 1609=item B<COLORTERM>
1221 1610
1222Either C<rxvt>, C<rxvt-xpm>, depending on wether @@RXVT_NAME@@ was 1611Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1223compiled with XPM support, and optionally with the added extension 1612compiled with background image support, and optionally with the added
1224C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1613extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1614screen.
1225 1615
1226=item B<COLORFGBG> 1616=item B<COLORFGBG>
1227 1617
1228Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1618Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1229the colour code used as default foreground/text colour (or the string 1619the colour code used as default foreground/text colour (or the string
1230C<default> to indicate that the default-colour escape sequence is to be 1620C<default> to indicate that the default-colour escape sequence is to be
1231used), C<bg> is the colour code used as default background colour (or the 1621used), C<bg> is the colour code used as default background colour (or the
1232string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1622string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1233was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1623was compiled with background image support. Libraries like C<ncurses>
1234(and do) use this information to optimize screen output. 1624and C<slang> can (and do) use this information to optimize screen output.
1235 1625
1236=item B<WINDOWID> 1626=item B<WINDOWID>
1237 1627
1238Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1628Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1239window, which usually has subwindows for the scrollbar, the terminal 1629window, which usually has subwindows for the scrollbar, the terminal
1245C<--with-terminfo=PATH>. 1635C<--with-terminfo=PATH>.
1246 1636
1247=item B<DISPLAY> 1637=item B<DISPLAY>
1248 1638
1249Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1639Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1250display in it's child processes. 1640display in its child processes if C<-display> isn't used to override. It
1641defaults to C<:0> if it doesn't exist.
1251 1642
1252=item B<SHELL> 1643=item B<SHELL>
1253 1644
1254The shell to be used for command execution, defaults to C</bin/sh>. 1645The shell to be used for command execution, defaults to C</bin/sh>.
1255 1646
1256=item B<RXVTPATH>
1257
1258The path where @@RXVT_NAME@@ looks for support files such as menu and xpm
1259files.
1260
1261=item B<PATH>
1262
1263Used in the same way as C<RXVTPATH>.
1264
1265=item B<RXVT_SOCKET> 1647=item B<RXVT_SOCKET> [I<sic>]
1266 1648
1267The unix domain socket path used by @@RXVT_NAME@@c(1) and 1649The unix domain socket path used by @@RXVT_NAME@@c(1) and
1268@@RXVT_NAME@@d(1). 1650@@RXVT_NAME@@d(1).
1269 1651
1270Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1652Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1653
1654=item B<URXVT_PERL_LIB>
1655
1656Additional F<:>-separated library search path for perl extensions. Will be
1657searched after B<-perl-lib> but before F<~/.urxvt/ext> and the system library
1658directory.
1659
1660=item B<URXVT_PERL_VERBOSITY>
1661
1662See L<@@RXVT_NAME@@perl>(3).
1271 1663
1272=item B<HOME> 1664=item B<HOME>
1273 1665
1274Used to locate the default directory for the unix domain socket for 1666Used to locate the default directory for the unix domain socket for
1275daemon communications and to locate various resource files (such as 1667daemon communications and to locate various resource files (such as
1276C<.Xdefaults>) 1668C<.Xdefaults>)
1277 1669
1278=item B<XAPPLRESDIR> 1670=item B<XAPPLRESDIR>
1279 1671
1280Directory where various X resource files are being located. 1672Directory where application-specific X resource files are located.
1281 1673
1282=item B<XENVIRONMENT> 1674=item B<XENVIRONMENT>
1283 1675
1284If set and accessible, gives the name of a X resource file to be loaded by 1676If set and accessible, gives the name of a X resource file to be loaded by
1285@@RXVT_NAME@@. 1677@@RXVT_NAME@@.
1290 1682
1291=over 4 1683=over 4
1292 1684
1293=item B</usr/lib/X11/rgb.txt> 1685=item B</usr/lib/X11/rgb.txt>
1294 1686
1295Color names. 1687Colour names.
1296 1688
1297=back 1689=back
1298 1690
1299=head1 SEE ALSO 1691=head1 SEE ALSO
1300 1692
1693@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1), @@RXVT_NAME@@d(1), @@RXVT_NAME@@-extensions(1),
1301@@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) 1694@@RXVT_NAME@@perl(3), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5)
1302 1695
1303=head1 CURRENT PROJECT COORDINATOR 1696=head1 CURRENT PROJECT COORDINATOR
1304 1697
1305=over 4 1698=over 4
1306 1699
1307=item Project Coordinator 1700=item Project Coordinator
1308 1701
1309Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >> 1702Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
1310 1703
1311L<http://software.schmorp.de/#rxvt-unicode> 1704L<http://software.schmorp.de/pkg/rxvt-unicode.html>
1312 1705
1313=back 1706=back
1314 1707
1315=head1 AUTHORS 1708=head1 AUTHORS
1316 1709
1338 1731
1339Project Coordinator (changes.txt 2.21a to 2.4.5) 1732Project Coordinator (changes.txt 2.21a to 2.4.5)
1340 1733
1341=item Geoff Wing L<< <gcw@pobox.com> >> 1734=item Geoff Wing L<< <gcw@pobox.com> >>
1342 1735
1343Rewrote screen display and text selection routines. Project Coordinator 1736Rewrote screen display and text selection routines.
1737
1344(changes.txt 2.4.6 - rxvt-unicode) 1738Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1345 1739
1346=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1740=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1347 1741
1348Forked rxvt-unicode, rewrote most of the display code and internal 1742Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1349character handling to store text in unicode, improve xterm 1743extension, random hacks, numerous bugfixes and extensions.
1350compatibility and apply numerous other bugfixes and extensions.
1351 1744
1352Project Coordinator (Changes 1.0 -) 1745Project Coordinator (Changes 1.0 -)
1353 1746
1747=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1748
1749pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1750
1354=back 1751=back
1355 1752

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