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Revision 1.129 by root, Mon May 28 20:34:56 2007 UTC vs.
Revision 1.212 by sf-exg, Sun Jan 1 14:31:28 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/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 right-to-left 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 user friendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
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.
97 100
98=item B<-depth> I<bitdepth> 101=item B<-depth> I<bitdepth>
99 102
100Compile I<xft>: Attempt to find a visual with the given bit depth; 103Compile I<xft>: Attempt to find a visual with the given bit depth;
101resource B<depth>. 104resource B<depth>.
102 105
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
103=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
104 112
105Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
106 114
107=item B<-rv>|B<+rv> 115=item B<-rv>|B<+rv>
108 116
109Turn on/off simulated reverse video; resource B<reverseVideo>. 117Turn on/off simulated reverse video; resource B<reverseVideo>.
110 118
111=item B<-j>|B<+j> 119=item B<-j>|B<+j>
112 120
113Turn on/off jump scrolling; resource B<jumpScroll>. 121Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
114 122
115=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 123=item B<-ss>|B<+ss>
116 124
117Turn on/off inheriting parent window's pixmap. Alternative form is 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118B<-tr>; resource B<inheritPixmap>.
119 126
120I<Please note that transparency of any kind if completely unsupported by 127=item B<-tr>|B<+tr>
121the author. Don't bug him with installation questions! Read the FAQ (man 7 128
122@@RXVT_NAME@@)!> 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.
123 133
124=item B<-fade> I<number> 134=item B<-fade> I<number>
125 135
126Fade the text by the given percentage when focus is lost. Small values 136Fade the text by the given percentage when focus is lost. Small values
127fade a little only, 100 completely replaces all colours by the fade 137fade a little only, 100 completely replaces all colours by the fade
132Fade to this colour when fading is used (see B<-fade>). The default colour 142Fade to this colour when fading is used (see B<-fade>). The default colour
133is opaque black. resource B<fadeColor>. 143is opaque black. resource B<fadeColor>.
134 144
135=item B<-tint> I<colour> 145=item B<-tint> I<colour>
136 146
137Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
138transparency is enabled with B<-tr> or B<-ip>. This only works for 148resource I<tintColor>.
139non-tiled backgrounds, currently. See also the B<-sh> option that can be
140used to brighten or darken the image in addition to tinting it; resource
141I<tintColor>. Example:
142 149
143 @@RXVT_NAME@@ -tr -tint blue -sh 40 150=item B<-sh> I<number>
144 151
145=item B<-sh>
146
147I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
148background image in addition to tinting it (i.e. B<-tint> must be 153A value of 100 means no shading; resource I<shading>.
149specified, too, e.g. C<-tint white>); resource I<shading>. 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, the vertical and
169horizontal radii are considered to be the same. Setting one of the
170radii to 1 and the other to a large number creates interesting effects
171on some backgrounds. The maximum radius value is 128. An horizontal or
172vertical radius of 0 disables blurring;
173resource I<blurRadius>.
174
175=item B<-icon> I<file>
176
177Compile I<afterimage> or I<pixbuf>: Use the specified image as application icon. This
178is used by many window managers, taskbars and pagers to represent the
179application window; resource I<iconFile>.
150 180
151=item B<-bg> I<colour> 181=item B<-bg> I<colour>
152 182
153Window background colour; resource B<background>. 183Window background colour; resource B<background>.
154 184
155=item B<-fg> I<colour> 185=item B<-fg> I<colour>
156 186
157Window foreground colour; resource B<foreground>. 187Window foreground colour; resource B<foreground>.
158 188
159=item B<-pixmap> I<file[;geom]> 189=item B<-pixmap> I<file[;oplist]>
160 190
161Compile I<XPM>: Specify XPM file for the background and also optionally 191Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
162specify its scaling with a geometry string. Note you may need to 192optionally specify a list of operations to modify it. Note you may need to
163add quotes to avoid special shell interpretation of the C<;> in the 193add quotes to avoid special shell interpretation of the C<;> in the
164command-line; resource B<backgroundPixmap>. 194command-line; for more details see resource B<backgroundPixmap>.
165 195
166=item B<-cr> I<colour> 196=item B<-cr> I<colour>
167 197
168The cursor colour; resource B<cursorColor>. 198The cursor colour; resource B<cursorColor>.
169 199
214italic> >> characters are to be printed. See resource B<boldItalicFont> 244italic> >> characters are to be printed. See resource B<boldItalicFont>
215for details. 245for details.
216 246
217=item B<-is>|B<+is> 247=item B<-is>|B<+is>
218 248
219Compile I<font-styles>: Bold/Italic font styles imply high intensity 249Compile I<font-styles>: Bold/Blink font styles imply high intensity
220foreground/background (default). See resource B<intensityStyles> for 250foreground/background (default). See resource B<intensityStyles> for
221details. 251details.
222 252
223=item B<-name> I<name> 253=item B<-name> I<name>
224 254
242 272
243=item B<-sb>|B<+sb> 273=item B<-sb>|B<+sb>
244 274
245Turn on/off scrollbar; resource B<scrollBar>. 275Turn on/off scrollbar; resource B<scrollBar>.
246 276
277=item B<-sr>|B<+sr>
278
279Put scrollbar on right/left; resource B<scrollBar_right>.
280
281=item B<-st>|B<+st>
282
283Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
284resource B<scrollBar_floating>.
285
247=item B<-si>|B<+si> 286=item B<-si>|B<+si>
248 287
249Turn on/off scroll-to-bottom on TTY output inhibit; resource 288Turn on/off scroll-to-bottom on TTY output inhibit; resource
250B<scrollTtyOutput> has opposite effect. 289B<scrollTtyOutput> has opposite effect.
251 290
257=item B<-sw>|B<+sw> 296=item B<-sw>|B<+sw>
258 297
259Turn on/off scrolling with the scrollback buffer as new lines appear. 298Turn on/off scrolling with the scrollback buffer as new lines appear.
260This only takes effect if B<-si> is also given; resource 299This only takes effect if B<-si> is also given; resource
261B<scrollWithBuffer>. 300B<scrollWithBuffer>.
262
263=item B<-sr>|B<+sr>
264
265Put scrollbar on right/left; resource B<scrollBar_right>.
266
267=item B<-st>|B<+st>
268
269Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
270resource B<scrollBar_floating>.
271 301
272=item B<-ptab>|B<+ptab> 302=item B<-ptab>|B<+ptab>
273 303
274If enabled (default), "Horizontal Tab" characters are being stored as 304If enabled (default), "Horizontal Tab" characters are being stored as
275actual wide characters in the screen buffer, which makes it possible to 305actual wide characters in the screen buffer, which makes it possible to
279 309
280=item B<-bc>|B<+bc> 310=item B<-bc>|B<+bc>
281 311
282Blink the cursor; resource B<cursorBlink>. 312Blink the cursor; resource B<cursorBlink>.
283 313
314=item B<-uc>|B<+uc>
315
316Make the cursor underlined; resource B<cursorUnderline>.
317
284=item B<-iconic> 318=item B<-iconic>
285 319
286Start iconified, if the window manager supports that option. 320Start iconified, if the window manager supports that option.
287Alternative form is B<-ic>. 321Alternative form is B<-ic>.
288 322
304 338
305=item B<-bl> 339=item B<-bl>
306 340
307Compile I<frills>: Set MWM hints to request a borderless window, i.e. 341Compile I<frills>: Set MWM hints to request a borderless window, i.e.
308if honoured by the WM, the rxvt-unicode window will not have window 342if honoured by the WM, the rxvt-unicode window will not have window
309decorations; resource B<borderLess>. 343decorations; resource B<borderLess>. If the window manager does not
344support MWM hints (e.g. kwin), enables override-redirect mode.
310 345
311=item B<-override-redirect> 346=item B<-override-redirect>
312 347
313Compile I<frills>: Sets override-redirect on the window; resource 348Compile I<frills>: Sets override-redirect on the window; resource
314B<override-redirect>. 349B<override-redirect>.
322 357
323=item B<-lsp> I<number> 358=item B<-lsp> I<number>
324 359
325Compile I<frills>: Lines (pixel height) to insert between each row of 360Compile I<frills>: Lines (pixel height) to insert between each row of
326the display. Useful to work around font rendering problems; resource 361the display. Useful to work around font rendering problems; resource
327B<linespace>. 362B<lineSpace>.
363
364=item B<-letsp> I<number>
365
366Compile I<frills>: Amount to adjust the computed character width by
367to control overall letter spacing. Negative values will tighten up the
368letter spacing, positive values will space letters out more. Useful to
369work around odd font metrics; resource B<letterSpace>.
328 370
329=item B<-tn> I<termname> 371=item B<-tn> I<termname>
330 372
331This option specifies the name of the terminal type to be set in the 373This option specifies the name of the terminal type to be set in the
332B<TERM> environment variable. This terminal type must exist in the 374B<TERM> environment variable. This terminal type must exist in the
387 429
388=item B<-tcw> 430=item B<-tcw>
389 431
390Change the meaning of triple-click selection with the left mouse 432Change the meaning of triple-click selection with the left mouse
391button. Only effective when the original (non-perl) selection code is 433button. Only effective when the original (non-perl) selection code is
392in-use. Instead of selecting a full line it will extend the selection the 434in-use. Instead of selecting a full line it will extend the selection to
393end of the logical line only. resource B<tripleclickwords>. 435the end of the logical line only. resource B<tripleclickwords>.
394 436
395=item B<-insecure> 437=item B<-insecure>
396 438
397Enable "insecure" mode, which currently enables most of the escape 439Enable "insecure" mode, which currently enables most of the escape
398sequences that echo strings. See the resource B<insecure> for more 440sequences that echo strings. See the resource B<insecure> for more
418 460
419Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 461Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
420will not immediately destroy its window when the program executed within 462will not immediately destroy its window when the program executed within
421it exits. Instead, it will wait till it is being killed or closed by the 463it exits. Instead, it will wait till it is being killed or closed by the
422user; resource B<hold>. 464user; resource B<hold>.
465
466=item B<-cd> I<path>
467
468Sets the working directory for the shell (or the command specified via
469B<-e>). The I<path> must be an absolute path and it must exist for
470@@RXVT_NAME@@ to start; resource B<chdir>.
471
472=item B<-xrm> I<string>
473
474Works like the X Toolkit option of the same name, by adding the I<string>
475as if it were specified in a resource file. Resource values specified this
476way take precedence over all other resource specifications.
477
478Note that you need to use the I<same> syntax as in the .Xdefaults file,
479e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
480options can be specified as long-options on the commandline, so use
481of B<-xrm> is mostly limited to cases where you want to specify other
482resources (e.g. for input methods) or for compatibility with other
483programs.
423 484
424=item B<-keysym.>I<sym> I<string> 485=item B<-keysym.>I<sym> I<string>
425 486
426Remap a key symbol. See resource B<keysym>. 487Remap a key symbol. See resource B<keysym>.
427 488
462If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 523If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
463entries and will not tinker with pty/tty permissions - you have to do that 524entries and will not tinker with pty/tty permissions - you have to do that
464yourself if you want that. 525yourself if you want that.
465 526
466As an extremely special case, specifying C<-1> will completely suppress 527As an extremely special case, specifying C<-1> will completely suppress
467pty/tty operations. 528pty/tty operations, which is probably only useful in conjunction with some
529perl extension that manages the terminal.
468 530
469Here is a example in perl that illustrates how this option can be used (a 531Here is a example in perl that illustrates how this option can be used (a
470longer example is in F<doc/pty-fd>): 532longer example is in F<doc/pty-fd>):
471 533
472 use IO::Pty; 534 use IO::Pty;
486Comma-separated list of perl extension scripts to use (or not to use) in 548Comma-separated list of perl extension scripts to use (or not to use) in
487this terminal instance. See resource B<perl-ext> for details. 549this terminal instance. See resource B<perl-ext> for details.
488 550
489=back 551=back
490 552
491=head1 RESOURCES (available also as long-options) 553=head1 RESOURCES
492 554
493Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 555Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
494options) compiled into your version. 556options) compiled into your version. All resources are also available as
557long-options.
495 558
496You can set and change the resources using X11 tools like B<xrdb>. Many 559You can set and change the resources using X11 tools like B<xrdb>. Many
497distribution do also load settings from the B<~/.Xresources> file when X 560distribution do also load settings from the B<~/.Xresources> file when X
498starts. @@RXVT_NAME@@ will consult the following files/resources in order, 561starts. @@RXVT_NAME@@ will consult the following files/resources in order,
499with later settings overwriting earlier ones: 562with later settings overwriting earlier ones:
500 563
501 1. system-wide app-defaults file, either locale-dependent OR global
502 2. app-defaults file in $XAPPLRESDIR 564 1. app-defaults file in $XAPPLRESDIR
565 2. $HOME/.Xdefaults
503 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 566 3. RESOURCE_MANAGER property on root-window of screen 0
504 4. SCREEN_RESOURCES for the current screen 567 4. SCREEN_RESOURCES property on root-window of the current screen
505 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 568 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
569 6. resources specified via -xrm on the commandline
506 570
507Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 571Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
508names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 572names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
509common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 573common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
510configured, while the class name B<URxvt> allows resources unique to 574configured, while the class name B<URxvt> allows resources unique to
520=item B<depth:> I<bitdepth> 584=item B<depth:> I<bitdepth>
521 585
522Compile I<xft>: Attempt to find a visual with the given bit depth; 586Compile I<xft>: Attempt to find a visual with the given bit depth;
523option B<-depth>. 587option B<-depth>.
524 588
589=item B<buffered:> I<boolean>
590
591Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
592On some card/driver combination enabling it slightly decreases
593performance, on most it greatly helps it. The slowdown is small, so it
594should normally be enabled.
595
525=item B<geometry:> I<geom> 596=item B<geometry:> I<geom>
526 597
527Create the window with the specified X window geometry [default 80x24]; 598Create the window with the specified X window geometry [default 80x24];
528option B<-geometry>. 599option B<-geometry>.
529 600
542Use the specified colour for the colour value I<n>, where 0-7 613Use the specified colour for the colour value I<n>, where 0-7
543corresponds to low-intensity (normal) colours and 8-15 corresponds to 614corresponds to low-intensity (normal) colours and 8-15 corresponds to
544high-intensity (bold = bright foreground, blink = bright background) 615high-intensity (bold = bright foreground, blink = bright background)
545colours. The canonical names are as follows: 0=black, 1=red, 2=green, 616colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5463=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6173=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
547names used are listed in the B<COLORS AND GRAPHICS> section. 618names used are listed in the B<COLOURS AND GRAPHICS> section.
548 619
549Colours higher than 15 cannot be set using resources (yet), but can be 620Colours higher than 15 cannot be set using resources (yet), but can be
550changed using an escape command (see @@RXVT_NAME@@(7)). 621changed using an escape command (see @@RXVT_NAME@@(7)).
551 622
552Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 623Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
563=item B<colorUL:> I<colour> 634=item B<colorUL:> I<colour>
564 635
565Use the specified colour to display underlined characters when the 636Use the specified colour to display underlined characters when the
566foreground colour is the default. 637foreground colour is the default.
567 638
568=item B<colorRV:> I<colour>
569
570Use the specified colour as the background for reverse video characters
571when OPTION_HC is disabled (--disable-frills).
572
573=item B<underlineColor:> I<colour> 639=item B<underlineColor:> I<colour>
574 640
575If set, use the specified colour as the colour for the underline 641If set, use the specified colour as the colour for the underline
576itself. If unset, use the foreground colour. 642itself. If unset, use the foreground colour.
643
644=item B<highlightColor:> I<colour>
645
646If set, use the specified colour as the background for highlighted
647characters. If unset, use reverse video.
648
649=item B<highlightTextColor:> I<colour>
650
651If set and highlightColor is set, use the specified colour as the
652foreground for highlighted characters.
577 653
578=item B<cursorColor:> I<colour> 654=item B<cursorColor:> I<colour>
579 655
580Use the specified colour for the cursor. The default is to use the 656Use the specified colour for the cursor. The default is to use the
581foreground colour; option B<-cr>. 657foreground colour; option B<-cr>.
588 664
589=item B<reverseVideo:> I<boolean> 665=item B<reverseVideo:> I<boolean>
590 666
591B<True>: simulate reverse video by foreground and background colours; 667B<True>: simulate reverse video by foreground and background colours;
592option B<-rv>. B<False>: regular screen colours [default]; option 668option B<-rv>. B<False>: regular screen colours [default]; option
593B<+rv>. See note in B<COLORS AND GRAPHICS> section. 669B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
594 670
595=item B<jumpScroll:> I<boolean> 671=item B<jumpScroll:> I<boolean>
596 672
597B<True>: specify that jump scrolling should be used. When scrolling 673B<True>: specify that jump scrolling should be used. When receiving lots
598quickly, fewer screen updates are performed [default]; option B<-j>. 674of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
675has been read, resulting in fewer updates while still displaying every
676received line; option B<-j>.
677
599B<False>: specify that smooth scrolling should be used; option B<+j>. 678B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
679force a screen refresh on each new line it received; option B<+j>.
600 680
601=item B<inheritPixmap:> I<boolean> 681=item B<skipScroll:> I<boolean>
602 682
603B<True>: make the background inherit the parent windows' pixmap, giving 683B<True>: (the default) specify that skip scrolling should be used. When
604artificial transparency. B<False>: do not inherit the parent windows' 684receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
605pixmap. 685(around 60 times per second), resulting in far fewer updates. This can
686result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
687option B<-ss>.
606 688
607I<Please note that transparency of any kind if completely unsupported by 689B<False>: specify that everything is to be displayed, even
608the author. Don't bug him with installation questions!> 690if the refresh is too fast for the human eye to read anything (or the
691monitor to display anything); option B<+ss>.
692
693=item B<transparent:> I<boolean>
694
695Turn on/off pseudo-transparency by using the root pixmap as background.
696
697B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
698future versions.
609 699
610=item B<fading:> I<number> 700=item B<fading:> I<number>
611 701
612Fade the text by the given percentage when focus is lost; option B<-fade>. 702Fade the text by the given percentage when focus is lost; option B<-fade>.
613 703
616Fade to this colour, when fading is used (see B<fading:>). The default 706Fade to this colour, when fading is used (see B<fading:>). The default
617colour is black; option B<-fadecolor>. 707colour is black; option B<-fadecolor>.
618 708
619=item B<tintColor:> I<colour> 709=item B<tintColor:> I<colour>
620 710
621Tint the transparent background pixmap with the given colour; option 711Tint the transparent background with the given colour. If the RENDER
622B<-tint>. 712extension is not available only black, red, green, yellow, blue,
713magenta, cyan and white tints can be performed server-side. Note that
714a black tint yields a completely black image while a white tint yields
715the image unchanged; option B<-tint>.
623 716
624=item B<shading:> I<number> 717=item B<shading:> I<number>
625 718
626Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 719Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
627in addition to tinting it; option B<-sh>. 720A value of 100 means no shading; option B<-sh>.
721
722=item B<blendType:> I<string>
723
724Specify background blending type; option B<-blt>.
725
726=item B<blurRadius:> I<number>
727
728Apply gaussian blur with the specified radius to the transparent
729background; option B<-blr>.
730
731=item B<iconFile:> I<file>
732
733Set the application icon pixmap; option B<-icon>.
628 734
629=item B<scrollColor:> I<colour> 735=item B<scrollColor:> I<colour>
630 736
631Use the specified colour for the scrollbar [default #B2B2B2]. 737Use the specified colour for the scrollbar [default #B2B2B2].
632 738
638=item B<borderColor:> I<colour> 744=item B<borderColor:> I<colour>
639 745
640The colour of the border around the text area and between the scrollbar 746The colour of the border around the text area and between the scrollbar
641and the text. 747and the text.
642 748
643=item B<backgroundPixmap:> I<file[;geom]> 749=item B<backgroundPixmap:> I<file[;oplist]>
644 750
645Use the specified XPM file (note the `.xpm' extension is optional) for 751Use the specified image file for the background and also
646the background and also optionally specify its scaling with a geometry 752optionally specify a colon separated list of operations to modify it.
647string B<WxH+X+Y>, in which B<"W" / "H"> specify the 753Supported operations are:
648horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 754
649centre (percent). A scale of 0 displays the image with tiling. A scale 755=over 4
650of 1 displays the image without any scaling. A scale of 2 to 9 756
651specifies an integer number of images in that direction. No image will 757=item B<WxH+X+Y>
652be magnified beyond 10 times its original size. The maximum permitted 758
653scale is 1000. [default 0x0+50+50] 759sets scale and position. B<"W" / "H"> specify the horizontal/vertical
760scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
761scale of 0 disables scaling. The maximum permitted scale is 1000.
762
763=item B<op=tile>
764
765enables tiling
766
767=item B<op=keep-aspect>
768
769maintain the image aspect ratio when scaling
770
771=item B<op=root-align>
772
773use the position of the terminal window relative to the root window as
774the image offset, simulating a root window background
775
776=back
777
778The default scale and position setting is C<100x100+50+50>.
779Alternatively, a predefined set of templates can be used to achieve
780the most common setups:
781
782=over 4
783
784=item B<style=tiled>
785
786the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
787
788=item B<style=aspect-stretched>
789
790the image is scaled to fill the whole window maintaining the aspect
791ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
792
793=item B<style=stretched>
794
795the image is scaled to fill the whole window. Equivalent to 100x100
796
797=item B<style=centered>
798
799the image is centered with no scaling. Equivalent to 0x0+50+50
800
801=item B<style=root-tiled>
802
803the image is tiled with no scaling and using 'root' positioning.
804Equivalent to 0x0:op=tile:op=root-align
805
806=back
807
808If multiple templates are specified the last one wins. Note that a
809template overrides all the scale, position and operations settings.
810
811If used in conjunction with B<-tr> option, the specified pixmap will be
812blended over the transparent background using alpha-blending. If I<afterimage>
813support has been compiled in it is possible to choose other blending
814types with B<-blt "type"> option.
654 815
655=item B<path:> I<path> 816=item B<path:> I<path>
656 817
657Specify the colon-delimited search path for finding XPM files. 818Specify the colon-delimited search path for finding background image files.
658 819
659=item B<font:> I<fontlist> 820=item B<font:> I<fontlist>
660 821
661Select the fonts to be used. This is a comma separated list of font names 822Select the fonts to be used. This is a comma separated list of font names
662that are checked in order when trying to find glyphs for characters. The 823that are checked in order when trying to find glyphs for characters. The
685it is named first) and thus defines the character cell grid to be 9 pixels 846it is named first) and thus defines the character cell grid to be 9 pixels
686wide and 15 pixels high. 847wide and 15 pixels high.
687 848
688The second font is just used to add additional unicode characters not in 849The second font is just used to add additional unicode characters not in
689the base font, likewise the third, which is unfortunately non-bold, but 850the base font, likewise the third, which is unfortunately non-bold, but
690the bold version of the font does contain less characters, so this is a 851the bold version of the font does contain fewer characters, so this is a
691useful supplement. 852useful supplement.
692 853
693The third font is an Xft font with aliasing turned off, and the characters 854The third font is an Xft font with aliasing turned off, and the characters
694are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 855are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
695contains other characters, but we are not interested in them. 856contains other characters, but we are not interested in them.
719text font will being used for the given style. 880text font will being used for the given style.
720 881
721=item B<intensityStyles:> I<boolean> 882=item B<intensityStyles:> I<boolean>
722 883
723When font styles are not enabled, or this option is enabled (B<True>, 884When font styles are not enabled, or this option is enabled (B<True>,
724option B<-is>, the default), bold and italic font styles imply high 885option B<-is>, the default), bold/blink font styles imply high
725intensity foreground/background colours. Disabling this option (B<False>, 886intensity foreground/background colours. Disabling this option (B<False>,
726option B<+is>) disables this behaviour, the high intensity colours are not 887option B<+is>) disables this behaviour, the high intensity colours are not
727reachable. 888reachable.
728 889
729=item B<selectstyle:> I<mode>
730
731Set mouse selection style to B<old> which is 2.20, B<oldword> which
732is xterm style with 2.20 old word selection, or anything else which
733gives xterm style selection. Only effective when the original (non-perl)
734selection code is in use.
735
736=item B<scrollstyle:> I<mode>
737
738Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
739the author's favourite.
740
741=item B<title:> I<string> 890=item B<title:> I<string>
742 891
743Set window title string, the default title is the command-line 892Set window title string, the default title is the command-line
744specified after the B<-e> option, if any, otherwise the application 893specified after the B<-e> option, if any, otherwise the application
745name; option B<-title>. 894name; option B<-title>.
758=item B<urgentOnBell:> I<boolean> 907=item B<urgentOnBell:> I<boolean>
759 908
760B<True>: set the urgency hint for the wm on receipt of a bell character. 909B<True>: set the urgency hint for the wm on receipt of a bell character.
761B<False>: do not set the urgency hint [default]. 910B<False>: do not set the urgency hint [default].
762 911
912@@RXVT_NAME@@ resets the urgency hint on every focus change.
913
763=item B<visualBell:> I<boolean> 914=item B<visualBell:> I<boolean>
764 915
765B<True>: use visual bell on receipt of a bell character; option B<-vb>. 916B<True>: use visual bell on receipt of a bell character; option B<-vb>.
766B<False>: no visual bell [default]; option B<+vb>. 917B<False>: no visual bell [default]; option B<+vb>.
767 918
790 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 941 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
791 942
792This creates a new file in your home directory with the screen contents 943This creates a new file in your home directory with the screen contents
793every time you hit C<Print>. 944every time you hit C<Print>.
794 945
946=item B<scrollstyle:> I<mode>
947
948Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
949the author's favourite.
950
951=item B<thickness:> I<number>
952
953Set the scrollbar width in pixels.
954
795=item B<scrollBar:> I<boolean> 955=item B<scrollBar:> I<boolean>
796 956
797B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 957B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
798disable the scrollbar; option B<+sb>. 958disable the scrollbar; option B<+sb>.
799 959
818B<False>: do not scroll to bottom when tty receives output; option 978B<False>: do not scroll to bottom when tty receives output; option
819B<+si>. 979B<+si>.
820 980
821=item B<scrollWithBuffer:> I<boolean> 981=item B<scrollWithBuffer:> I<boolean>
822 982
823B<True>: scroll with scrollback buffer when tty receives new lines (and 983B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
824B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 984try to show the same lines) and B<scrollTtyOutput> is False; option
825with scrollback buffer when tty receives new lines; option B<+sw>. 985B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
986new lines; option B<+sw>.
826 987
827=item B<scrollTtyKeypress:> I<boolean> 988=item B<scrollTtyKeypress:> I<boolean>
828 989
829B<True>: scroll to bottom when a non-special key is pressed. Special keys 990B<True>: scroll to bottom when a non-special key is pressed. Special keys
830are those which are intercepted by rxvt-unicode for special handling and 991are those which are intercepted by rxvt-unicode for special handling and
861=item B<termName:> I<termname> 1022=item B<termName:> I<termname>
862 1023
863Specifies the terminal type name to be set in the B<TERM> environment 1024Specifies the terminal type name to be set in the B<TERM> environment
864variable; option B<-tn>. 1025variable; option B<-tn>.
865 1026
866=item B<linespace:> I<number> 1027=item B<lineSpace:> I<number>
867 1028
868Specifies number of lines (pixel height) to insert between each row of 1029Specifies number of lines (pixel height) to insert between each row of
869the display [default 0]; option B<-lsp>. 1030the display [default 0]; option B<-lsp>.
870 1031
871=item B<meta8:> I<boolean> 1032=item B<meta8:> I<boolean>
885 1046
886=item B<cursorBlink:> I<boolean> 1047=item B<cursorBlink:> I<boolean>
887 1048
888B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1049B<True>: blink the cursor. B<False>: do not blink the cursor [default];
889option B<-bc>. 1050option B<-bc>.
1051
1052=item B<cursorUnderline:> I<boolean>
1053
1054B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1055option B<-uc>.
890 1056
891=item B<pointerBlank:> I<boolean> 1057=item B<pointerBlank:> I<boolean>
892 1058
893B<True>: blank the pointer when a key is pressed or after a set number 1059B<True>: blank the pointer when a key is pressed or after a set number
894of seconds of inactivity. B<False>: the pointer is always visible 1060of seconds of inactivity. B<False>: the pointer is always visible
908large number (e.g. C<987654321>) to effectively disable the timeout. 1074large number (e.g. C<987654321>) to effectively disable the timeout.
909 1075
910=item B<backspacekey:> I<string> 1076=item B<backspacekey:> I<string>
911 1077
912The string to send when the backspace key is pressed. If set to B<DEC> 1078The string to send when the backspace key is pressed. If set to B<DEC>
913or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1079or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
914(code 8) - which can be reversed with the appropriate DEC private mode 1080(code 8) - which can be reversed with the appropriate DEC private mode
915escape sequence. 1081escape sequence.
916 1082
917=item B<deletekey:> I<string> 1083=item B<deletekey:> I<string>
918 1084
931will be created). In this mode, characters outside ISO-8859-1 can be used. 1097will be created). In this mode, characters outside ISO-8859-1 can be used.
932 1098
933When the selection extension is not used, only ISO-8859-1 characters can 1099When the selection extension is not used, only ISO-8859-1 characters can
934be used. If not specified, the built-in default is used: 1100be used. If not specified, the built-in default is used:
935 1101
936B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1102B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
937 1103
938=item B<preeditType:> I<style> 1104=item B<preeditType:> I<style>
939 1105
940B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1106B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
941 1107
997 1163
998=item B<secondaryScroll:> I<boolean> 1164=item B<secondaryScroll:> I<boolean>
999 1165
1000Turn on/off secondary screen scroll (default enabled). If this 1166Turn on/off secondary screen scroll (default enabled). If this
1001option is enabled, scrolls on the secondary screen will change the 1167option is enabled, scrolls on the secondary screen will change the
1002scrollback buffer and switching to/from the secondary screen will 1168scrollback buffer and, when secondaryScreen is off, switching
1003instead scroll the screen up. 1169to/from the secondary screen will instead scroll the screen up.
1004 1170
1005=item B<hold>: I<boolean> 1171=item B<hold>: I<boolean>
1006 1172
1007Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1173Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1008will not immediately destroy its window when the program executed within 1174will not immediately destroy its window when the program executed within
1009it exits. Instead, it will wait till it is being killed or closed by the 1175it exits. Instead, it will wait till it is being killed or closed by the
1010user. 1176user.
1177
1178=item B<chdir>: I<path>
1179
1180Sets the working directory for the shell (or the command specified via
1181B<-e>). The I<path> must be an absolute path and it must exist for
1182@@RXVT_NAME@@ to start. If it isn't specified then the current working
1183directory will be used; option B<-cd>.
1011 1184
1012=item B<keysym.>I<sym>: I<string> 1185=item B<keysym.>I<sym>: I<string>
1013 1186
1014Compile I<frills>: Associate I<string> with keysym I<sym>. The 1187Compile I<frills>: Associate I<string> with keysym I<sym>. The
1015intervening resource name B<keysym.> cannot be omitted. 1188intervening resource name B<keysym.> cannot be omitted.
1029searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1202searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1030omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1203omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1031keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1204keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1032performed in an exact manner; however, the closest match is assured. 1205performed in an exact manner; however, the closest match is assured.
1033 1206
1034I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1207I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1035C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1208number), see RESOURCES in C<man 7 X> for further details.
1036C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1037C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1038can start or end with whitespace. B<This feature is deprecated and will
1039be removed>.
1040 1209
1041Please note that you need to double the C<\> in resource files, as
1042Xlib itself does its own de-escaping (you can use C<\033> instead of
1043C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1044processing).
1045
1046You can define a range of keysyms in one shot by providing a I<string> 1210You can define a range of keysyms in one shot by
1211loading the C<keysym-list> perl extension and providing a I<string>
1047with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1212with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1048should be a character not used by the strings. 1213should be a character not used by the strings.
1049 1214
1050Its usage can be demonstrated by an example: 1215Its usage can be demonstrated by an example:
1051 1216
1052 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1217 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1053 1218
1054The above line is equivalent to the following three lines: 1219The above line is equivalent to the following three lines:
1055 1220
1056 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1221 URxvt.keysym.Meta-Control-0x61: \033<a>
1057 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1222 URxvt.keysym.Meta-Control-0x62: \033<b>
1058 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1223 URxvt.keysym.Meta-Control-0x63: \033<c>
1059 1224
1060If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1225If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1061is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1226is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1062example the following means "change the current locale to C<zh_CN.GBK> 1227example the following means "change the current locale to C<zh_CN.GBK>
1063when Control-Meta-c is being pressed": 1228when Control-Meta-c is being pressed":
1064 1229
1065 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1230 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1066 1231
1067If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1232If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1068is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1233is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1069manpage. For example, the F<selection> extension (activated via 1234manpage. For example, the F<selection> extension (activated via
1070C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1235C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1071 1236
1072 URxvt.keysym.M-C-c: perl:selection:rot13 1237 URxvt.keysym.M-C-c: perl:selection:rot13
1073 1238
1074Due the the large number of modifier combinations, a defined key mapping 1239Due the the large number of modifier combinations, a defined key mapping
1075will match if at I<at least> the specified identifiers are being set, and 1240will match if I<at least> the specified identifiers are being set, and
1076no other key mappings with those and more bits are being defined. That 1241no other key mappings with those and more bits are being defined. That
1077means that defining a key map for C<a> will automatically provide 1242means that defining a key map for C<a> will automatically provide
1078definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1243definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1079mappings themselves. 1244mappings themselves.
1080 1245
1131all instances, while B<perl-ext> is used for specific instances. 1296all instances, while B<perl-ext> is used for specific instances.
1132 1297
1133=item B<perl-eval>: I<string> 1298=item B<perl-eval>: I<string>
1134 1299
1135Perl code to be evaluated when all extensions have been registered. See 1300Perl code to be evaluated when all extensions have been registered. See
1136the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1301the @@RXVT_NAME@@perl(3) manpage.
1137will be ignored when running setuid/setgid.
1138 1302
1139=item B<perl-lib>: I<path> 1303=item B<perl-lib>: I<path>
1140 1304
1141Colon-separated list of additional directories that hold extension 1305Colon-separated list of additional directories that hold extension
1142scripts. When looking for extensions specified by the C<perl> resource, 1306scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1143@@RXVT_NAME@@ will first look in these directories and then in 1307look in these directories, then in $HOME/.urxvt/ext and lastly in
1144F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1308F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1145will be ignored when running setuid/setgid.
1146 1309
1147See the @@RXVT_NAME@@perl(3) manpage. 1310See the @@RXVT_NAME@@perl(3) manpage.
1148 1311
1149=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1312=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1150 1313
1172 1335
1173=item B<override-redirect>: I<boolean> 1336=item B<override-redirect>: I<boolean>
1174 1337
1175Compile I<frills>: Sets override-redirect for the terminal window, making 1338Compile I<frills>: Sets override-redirect for the terminal window, making
1176it almost invisible to window managers; option B<-override-redirect>. 1339it almost invisible to window managers; option B<-override-redirect>.
1340
1341=item B<iso14755:> I<boolean>
1342
1343Turn on/off ISO 14755 (default enabled).
1344
1345=item B<iso14755_52:> I<boolean>
1346
1347Turn on/off ISO 14755 5.2 mode (default enabled).
1177 1348
1178=back 1349=back
1179 1350
1180=head1 THE SCROLLBAR 1351=head1 THE SCROLLBAR
1181 1352
1252 1423
1253=head1 ISO 14755 SUPPORT 1424=head1 ISO 14755 SUPPORT
1254 1425
1255ISO 14755 is a standard for entering and viewing unicode characters 1426ISO 14755 is a standard for entering and viewing unicode characters
1256and character codes using the keyboard. It consists of 4 parts. The 1427and character codes using the keyboard. It consists of 4 parts. The
1257first part is available rxvt-unicode has been compiled with 1428first part is available if rxvt-unicode has been compiled with
1258C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1429C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1259with C<--enable-iso14755>. 1430with C<--enable-iso14755>.
1260 1431
1261=over 4 1432=over 4
1262 1433
1320B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1491B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1321it can be seen via the I<who(1)> command, and can accept messages. To 1492it can be seen via the I<who(1)> command, and can accept messages. To
1322allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1493allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1323on some systems or setgid to root or to some other group on others. 1494on some systems or setgid to root or to some other group on others.
1324 1495
1325=head1 COLORS AND GRAPHICS 1496=head1 COLOURS AND GRAPHICS
1326 1497
1327In addition to the default foreground and background colours, 1498In addition to the default foreground and background colours,
1328B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1499B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1329high-intensity bold/blink versions of the same). Here is a list of the 1500high-intensity (potentially bold/blink) versions of the same, and 72 (or
1330colours with their names. 1501240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1502cube plus a 8 (24) colour greyscale ramp.
1503
1504Here is a list of the ANSI colours with their names.
1331 1505
1332=begin table 1506=begin table
1333 1507
1334 B<color0> (black) = Black 1508 B<color0> (black) = Black
1335 B<color1> (red) = Red3 1509 B<color1> (red) = Red3
1355It is also possible to specify the colour values of B<foreground>, 1529It is also possible to specify the colour values of B<foreground>,
1356B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1530B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1357a number 0-15, as a convenient shorthand to reference the colour name of 1531a number 0-15, as a convenient shorthand to reference the colour name of
1358color0-color15. 1532color0-color15.
1359 1533
1360In addition to the colours defined above, @@RXVT_NAME@@ offers an 1534The following text gives values for the standard 88 colour mode (and
1361additional 72 colours. The first 64 of those (with indices 16 to 79) 1535values for the 256 colour mode in parentheses).
1362consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
136316>), followed by 8 additional shades of gray (with indices 80 to 87).
1364 1536
1537The RGB cube uses indices 16..79 (16..231) using the following formulas:
1538
1539 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1540 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1541
1542The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1543steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1544the RGB cube.
1545
1365Together, all those colours implement the 88 colour xterm colours. Only 1546Together, all those colours implement the 88 (256) colour xterm
1366the first 16 can be changed using resources currently, the rest can only 1547colours. Only the first 16 can be changed using resources currently, the
1367be changed via command sequences ("escape codes"). 1548rest can only be changed via command sequences ("escape codes").
1549
1550Applications are advised to use terminfo or command sequences to discover
1551number and RGB values of all colours (yes, you can query this...).
1368 1552
1369Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1553Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1370always swapping the foreground/background colours. This is in contrast to 1554always swapping the foreground/background colours. This is in contrast to
1371I<xterm>(1) where the colours are only swapped if they have not otherwise 1555I<xterm>(1) where the colours are only swapped if they have not otherwise
1372been specified. For example, 1556been specified. For example,
1373 1557
1374=over 4
1375
1376=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1558 @@RXVT_NAME@@ -fg Black -bg White -rv
1377 1559
1378would yield White on Black, while on I<xterm>(1) it would yield Black 1560would yield White on Black, while on I<xterm>(1) it would yield Black on
1379on White. 1561White.
1380
1381=back
1382 1562
1383=head2 ALPHA CHANNEL SUPPORT 1563=head2 ALPHA CHANNEL SUPPORT
1384 1564
1385If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1565If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1386their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1566their act together, rxvt-unicode will do its own alpha channel management:
1387(recommended, but B<MUST> have 4 digits/component) colour specifications, 1567
1388in addition to the ones provided by X, where the additional A component 1568You can prefix any colour with an opaqueness percentage enclosed in
1569brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1570(0-100) that specifies the opacity of the colour, where C<0> is completely
1571transparent and C<100> is completely opaque. For example, C<[50]red> is a
1572half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1573is the recommended format to specify transparency values, and works with
1574all ways to specify a colour.
1575
1576For complete control, rxvt-unicode also supports
1577C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1578specifications, where the additional C<aaaa> component specifies opacity
1389specifies opacity (alpha) values. The minimum value of C<0> is completely 1579(alpha) values. The minimum value of C<0000> is completely transparent,
1390transparent). You can also prefix any color with C<[percent]>, where 1580while C<ffff> is completely opaque). The two example colours from
1391C<percent> is a decimal percentage (0-100) that specifies the opacity of 1581earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1392the color, where C<0> is completely transparent and C<100> is completelxy 1582C<rgba:0000/ff00/0000/f332>.
1393opaque.
1394 1583
1395You probably need to specify B<"-depth 32">, too, and have the luck that 1584You probably need to specify B<"-depth 32">, too, to force a visual with
1396your X-server uses ARGB pixel layout, as X is far from just supporting 1585alpha channels, and have the luck that your X-server uses ARGB pixel
1397ARGB visuals out of the box, and rxvt-unicode just fudges around. 1586layout, as X is far from just supporting ARGB visuals out of the box, and
1587rxvt-unicode just fudges around.
1398 1588
1399For example, the following selects an almost completely transparent red 1589For example, the following selects an almost completely transparent black
1400background, and an almost opaque pink foreground: 1590background, and an almost opaque pink foreground:
1401 1591
1402 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1592 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1403 1593
1404I<Please note that transparency of any kind if completely unsupported by 1594When not using a background image, then the interpretation of the
1405the author. Don't bug him with installation questions!> 1595alpha channel is up to your compositing manager (most interpret it as
1596transparency of course).
1597
1598When using a background pixmap or pseudo-transparency, then the background
1599colour will always behave as if it were completely transparent (so the
1600background image shows instead), regardless of how it was specified, while
1601other colours will either be transparent as specified (the background
1602image will show through) on servers supporting the RENDER extension, or
1603fully opaque on servers not supporting the RENDER EXTENSION.
1604
1605Please note that due to bugs in Xft, specifying alpha values might result
1606in garbage being displayed when the X-server does not support the RENDER
1607extension.
1406 1608
1407=head1 ENVIRONMENT 1609=head1 ENVIRONMENT
1408 1610
1409B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1611B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1410 1612
1416resources or on the command line. 1618resources or on the command line.
1417 1619
1418=item B<COLORTERM> 1620=item B<COLORTERM>
1419 1621
1420Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1622Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1421compiled with XPM support, and optionally with the added extension 1623compiled with background image support, and optionally with the added
1422C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1624extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1625screen.
1423 1626
1424=item B<COLORFGBG> 1627=item B<COLORFGBG>
1425 1628
1426Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1629Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1427the colour code used as default foreground/text colour (or the string 1630the colour code used as default foreground/text colour (or the string
1428C<default> to indicate that the default-colour escape sequence is to be 1631C<default> to indicate that the default-colour escape sequence is to be
1429used), C<bg> is the colour code used as default background colour (or the 1632used), C<bg> is the colour code used as default background colour (or the
1430string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1633string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1431was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1634was compiled with background image support. Libraries like C<ncurses>
1432(and do) use this information to optimize screen output. 1635and C<slang> can (and do) use this information to optimize screen output.
1433 1636
1434=item B<WINDOWID> 1637=item B<WINDOWID>
1435 1638
1436Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1639Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1437window, which usually has subwindows for the scrollbar, the terminal 1640window, which usually has subwindows for the scrollbar, the terminal
1443C<--with-terminfo=PATH>. 1646C<--with-terminfo=PATH>.
1444 1647
1445=item B<DISPLAY> 1648=item B<DISPLAY>
1446 1649
1447Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1650Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1448display in its child processes. 1651display in its child processes if C<-display> isn't used to override. It
1652defaults to C<:0> if it doesn't exist.
1449 1653
1450=item B<SHELL> 1654=item B<SHELL>
1451 1655
1452The shell to be used for command execution, defaults to C</bin/sh>. 1656The shell to be used for command execution, defaults to C</bin/sh>.
1453 1657
1454=item B<RXVT_SOCKET> 1658=item B<RXVT_SOCKET>
1455 1659
1456The unix domain socket path used by @@RXVT_NAME@@c(1) and 1660The unix domain socket path used by @@RXVT_NAME@@c(1) and
1457@@RXVT_NAME@@d(1). 1661@@RXVT_NAME@@d(1).
1458 1662
1459Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1663Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1460 1664
1461=item B<HOME> 1665=item B<HOME>
1462 1666
1463Used to locate the default directory for the unix domain socket for 1667Used to locate the default directory for the unix domain socket for
1464daemon communications and to locate various resource files (such as 1668daemon communications and to locate various resource files (such as
1465C<.Xdefaults>) 1669C<.Xdefaults>)
1466 1670
1467=item B<XAPPLRESDIR> 1671=item B<XAPPLRESDIR>
1468 1672
1469Directory where various X resource files are being located. 1673Directory where application-specific X resource files are located.
1470 1674
1471=item B<XENVIRONMENT> 1675=item B<XENVIRONMENT>
1472 1676
1473If set and accessible, gives the name of a X resource file to be loaded by 1677If set and accessible, gives the name of a X resource file to be loaded by
1474@@RXVT_NAME@@. 1678@@RXVT_NAME@@.
1479 1683
1480=over 4 1684=over 4
1481 1685
1482=item B</usr/lib/X11/rgb.txt> 1686=item B</usr/lib/X11/rgb.txt>
1483 1687
1484Color names. 1688Colour names.
1485 1689
1486=back 1690=back
1487 1691
1488=head1 SEE ALSO 1692=head1 SEE ALSO
1489 1693
1528Project Coordinator (changes.txt 2.21a to 2.4.5) 1732Project Coordinator (changes.txt 2.21a to 2.4.5)
1529 1733
1530=item Geoff Wing L<< <gcw@pobox.com> >> 1734=item Geoff Wing L<< <gcw@pobox.com> >>
1531 1735
1532Rewrote screen display and text selection routines. 1736Rewrote screen display and text selection routines.
1533 1737
1534Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1738Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1535 1739
1536=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1740=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1537 1741
1538Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1742Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1540 1744
1541Project Coordinator (Changes 1.0 -) 1745Project Coordinator (Changes 1.0 -)
1542 1746
1543=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1747=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1544 1748
1545Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1749pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1546 1750
1547=back 1751=back
1548 1752

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