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Revision 1.123 by root, Thu Dec 7 03:02:44 2006 UTC vs.
Revision 1.187 by sf-exg, Fri Oct 15 10:46:57 2010 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 illusion of a transparent window 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
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 pixmap with the given colour when
138transparency is enabled with B<-tr> or B<-ip>. This only works for 148transparency is enabled with B<-tr>. This only works for
139non-tiled backgrounds, currently. See also the B<-sh> option that can be 149non-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 150used to brighten or darken the image in addition to tinting it.
151Please note that certain tint colours can be applied on the server-side,
152thus yielding performance gain of two orders of magnitude. These colours are:
153blue, red, green, cyan, magenta, yellow, and those close to them. Also
154pure black and pure white colours essentially mean no tinting; resource
141I<tintColor>. Example: 155I<tintColor>. Example:
142 156
143 @@RXVT_NAME@@ -tr -tint blue -sh 40 157 @@RXVT_NAME@@ -tr -tint blue -sh 40
144 158
145=item B<-sh> 159=item B<-sh> I<number>
146 160
147I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 161Darken (0 .. 100) or lighten (100 .. 200) the transparent
148background image in addition to tinting it (i.e. B<-tint> must be 162background image in addition to (or instead of) tinting it;
149specified, too, e.g. C<-tint white>). 163resource I<shading>.
164
165=item B<-blt> I<string>
166
167Specify background blending type. If background pixmap is specified
168at the same time as transparency - such pixmap will be blended over
169transparency image, using method specified. Supported values are :
170B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
171B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
172B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
173alpha-blending. Compile I<afterimage>; resource I<blendType>.
174
175=item B<-blr> I<HxV>
176
177Apply Gaussian Blur with the specified radii to the transparent
178background image. If single number is specified - both vertical and
179horizontal radii are considered to be the same. Setting one of the
180radii to 1 and another to a large number creates interesting effects
181on some backgrounds. Maximum radius value is 128. Compile I<afterimage> or I<xft>;
182resource I<blurRadius>.
183
184=item B<-icon> I<file>
185
186Compile I<afterimage> or I<pixbuf>: Use the specified image as application icon. This
187is used by many window managers, taskbars and pagers to represent the
188application window; resource I<iconFile>.
150 189
151=item B<-bg> I<colour> 190=item B<-bg> I<colour>
152 191
153Window background colour; resource B<background>. 192Window background colour; resource B<background>.
154 193
155=item B<-fg> I<colour> 194=item B<-fg> I<colour>
156 195
157Window foreground colour; resource B<foreground>. 196Window foreground colour; resource B<foreground>.
158 197
159=item B<-pixmap> I<file[;geom]> 198=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
160 199
161Compile I<XPM>: Specify XPM file for the background and also optionally 200Compile 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 201optionally specify its scaling with a geometry string. Note you may need to
163add quotes to avoid special shell interpretation of the C<;> in the 202add quotes to avoid special shell interpretation of the C<;> in the
164command-line; resource B<backgroundPixmap>. 203command-line; for more details see resource B<backgroundPixmap>.
165 204
166=item B<-cr> I<colour> 205=item B<-cr> I<colour>
167 206
168The cursor colour; resource B<cursorColor>. 207The cursor colour; resource B<cursorColor>.
169 208
214italic> >> characters are to be printed. See resource B<boldItalicFont> 253italic> >> characters are to be printed. See resource B<boldItalicFont>
215for details. 254for details.
216 255
217=item B<-is>|B<+is> 256=item B<-is>|B<+is>
218 257
219Compile I<font-styles>: Bold/Italic font styles imply high intensity 258Compile I<font-styles>: Bold/Blink font styles imply high intensity
220foreground/background (default). See resource B<intensityStyles> for 259foreground/background (default). See resource B<intensityStyles> for
221details. 260details.
222 261
223=item B<-name> I<name> 262=item B<-name> I<name>
224 263
242 281
243=item B<-sb>|B<+sb> 282=item B<-sb>|B<+sb>
244 283
245Turn on/off scrollbar; resource B<scrollBar>. 284Turn on/off scrollbar; resource B<scrollBar>.
246 285
286=item B<-sr>|B<+sr>
287
288Put scrollbar on right/left; resource B<scrollBar_right>.
289
290=item B<-st>|B<+st>
291
292Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
293resource B<scrollBar_floating>.
294
247=item B<-si>|B<+si> 295=item B<-si>|B<+si>
248 296
249Turn on/off scroll-to-bottom on TTY output inhibit; resource 297Turn on/off scroll-to-bottom on TTY output inhibit; resource
250B<scrollTtyOutput> has opposite effect. 298B<scrollTtyOutput> has opposite effect.
251 299
257=item B<-sw>|B<+sw> 305=item B<-sw>|B<+sw>
258 306
259Turn on/off scrolling with the scrollback buffer as new lines appear. 307Turn on/off scrolling with the scrollback buffer as new lines appear.
260This only takes effect if B<-si> is also given; resource 308This only takes effect if B<-si> is also given; resource
261B<scrollWithBuffer>. 309B<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>.
271 310
272=item B<-ptab>|B<+ptab> 311=item B<-ptab>|B<+ptab>
273 312
274If enabled (default), "Horizontal Tab" characters are being stored as 313If enabled (default), "Horizontal Tab" characters are being stored as
275actual wide characters in the screen buffer, which makes it possible to 314actual wide characters in the screen buffer, which makes it possible to
279 318
280=item B<-bc>|B<+bc> 319=item B<-bc>|B<+bc>
281 320
282Blink the cursor; resource B<cursorBlink>. 321Blink the cursor; resource B<cursorBlink>.
283 322
323=item B<-uc>|B<+uc>
324
325Make the cursor underlined; resource B<cursorUnderline>.
326
284=item B<-iconic> 327=item B<-iconic>
285 328
286Start iconified, if the window manager supports that option. 329Start iconified, if the window manager supports that option.
287Alternative form is B<-ic>. 330Alternative form is B<-ic>.
288 331
304 347
305=item B<-bl> 348=item B<-bl>
306 349
307Compile I<frills>: Set MWM hints to request a borderless window, i.e. 350Compile 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 351if honoured by the WM, the rxvt-unicode window will not have window
309decorations; resource B<borderLess>. 352decorations; resource B<borderLess>. If the window manager does not
353support MWM hints (e.g. kwin), enables override-redirect mode.
310 354
311=item B<-override-redirect> 355=item B<-override-redirect>
312 356
313Compile I<frills>: Sets override-redirect on the window; resource 357Compile I<frills>: Sets override-redirect on the window; resource
314B<override-redirect>. 358B<override-redirect>.
322 366
323=item B<-lsp> I<number> 367=item B<-lsp> I<number>
324 368
325Compile I<frills>: Lines (pixel height) to insert between each row of 369Compile I<frills>: Lines (pixel height) to insert between each row of
326the display. Useful to work around font rendering problems; resource 370the display. Useful to work around font rendering problems; resource
327B<linespace>. 371B<lineSpace>.
372
373=item B<-letsp> I<number>
374
375Compile I<frills>: Amount to adjust the computed character width by
376to control overall letter spacing. Negative values will tighten up the
377letter spacing, positive values will space letters out more. Useful to
378work around odd font metrics; resource B<letterSpace>.
328 379
329=item B<-tn> I<termname> 380=item B<-tn> I<termname>
330 381
331This option specifies the name of the terminal type to be set in the 382This option specifies the name of the terminal type to be set in the
332B<TERM> environment variable. This terminal type must exist in the 383B<TERM> environment variable. This terminal type must exist in the
386for more info. 437for more info.
387 438
388=item B<-tcw> 439=item B<-tcw>
389 440
390Change the meaning of triple-click selection with the left mouse 441Change the meaning of triple-click selection with the left mouse
442button. Only effective when the original (non-perl) selection code is
391button. Instead of selecting a full line it will extend the selection the 443in-use. Instead of selecting a full line it will extend the selection to
392end of the logical line only. resource B<tripleclickwords>. 444the end of the logical line only. resource B<tripleclickwords>.
393 445
394=item B<-insecure> 446=item B<-insecure>
395 447
396Enable "insecure" mode, which currently enables most of the escape 448Enable "insecure" mode, which currently enables most of the escape
397sequences that echo strings. See the resource B<insecure> for more 449sequences that echo strings. See the resource B<insecure> for more
417 469
418Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 470Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
419will not immediately destroy its window when the program executed within 471will not immediately destroy its window when the program executed within
420it exits. Instead, it will wait till it is being killed or closed by the 472it exits. Instead, it will wait till it is being killed or closed by the
421user; resource B<hold>. 473user; resource B<hold>.
474
475=item B<-cd> I<path>
476
477Sets the working directory for the shell (or the command specified via
478B<-e>). The I<path> must be an absolute path and it must exist for
479@@RXVT_NAME@@ to start; resource B<chdir>.
480
481=item B<-xrm> I<string>
482
483Works like the X Toolkit option of the same name, by adding the I<string>
484as if it were specified in a resource file. Resource values specified this
485way take precedence over all other resource specifications.
486
487Note that you need to use the I<same> syntax as in the .Xdefaults file,
488e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
489options can be specified as long-options on the commandline, so use
490of B<-xrm> is mostly limited to cases where you want to specify other
491resources (e.g. for input methods) or for compatibility with other
492programs.
422 493
423=item B<-keysym.>I<sym> I<string> 494=item B<-keysym.>I<sym> I<string>
424 495
425Remap a key symbol. See resource B<keysym>. 496Remap a key symbol. See resource B<keysym>.
426 497
461If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 532If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
462entries and will not tinker with pty/tty permissions - you have to do that 533entries and will not tinker with pty/tty permissions - you have to do that
463yourself if you want that. 534yourself if you want that.
464 535
465As an extremely special case, specifying C<-1> will completely suppress 536As an extremely special case, specifying C<-1> will completely suppress
466pty/tty operations. 537pty/tty operations, which is probably only useful in conjunction with some
538perl extension that manages the terminal.
467 539
468Here is a example in perl that illustrates how this option can be used (a 540Here is a example in perl that illustrates how this option can be used (a
469longer example is in F<doc/pty-fd>): 541longer example is in F<doc/pty-fd>):
470 542
471 use IO::Pty; 543 use IO::Pty;
485Comma-separated list of perl extension scripts to use (or not to use) in 557Comma-separated list of perl extension scripts to use (or not to use) in
486this terminal instance. See resource B<perl-ext> for details. 558this terminal instance. See resource B<perl-ext> for details.
487 559
488=back 560=back
489 561
490=head1 RESOURCES (available also as long-options) 562=head1 RESOURCES
491 563
492Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 564Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
493options) compiled into your version. 565options) compiled into your version. All resources are also available as
566long-options.
494 567
495You can set and change the resources using X11 tools like B<xrdb>. Many 568You can set and change the resources using X11 tools like B<xrdb>. Many
496distribution do also load settings from the B<~/.Xresources> file when X 569distribution do also load settings from the B<~/.Xresources> file when X
497starts. @@RXVT_NAME@@ will consult the following files/resources in order, 570starts. @@RXVT_NAME@@ will consult the following files/resources in order,
498with later settings overwriting earlier ones: 571with later settings overwriting earlier ones:
500 1. system-wide app-defaults file, either locale-dependent OR global 573 1. system-wide app-defaults file, either locale-dependent OR global
501 2. app-defaults file in $XAPPLRESDIR 574 2. app-defaults file in $XAPPLRESDIR
502 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 575 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
503 4. SCREEN_RESOURCES for the current screen 576 4. SCREEN_RESOURCES for the current screen
504 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 577 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
578 6. resources specified via -xrm on the commandline
505 579
506Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 580Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
507names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 581names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
508common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 582common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
509configured, while the class name B<URxvt> allows resources unique to 583configured, while the class name B<URxvt> allows resources unique to
519=item B<depth:> I<bitdepth> 593=item B<depth:> I<bitdepth>
520 594
521Compile I<xft>: Attempt to find a visual with the given bit depth; 595Compile I<xft>: Attempt to find a visual with the given bit depth;
522option B<-depth>. 596option B<-depth>.
523 597
598=item B<buffered:> I<boolean>
599
600Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
601On some card/driver combination enabling it slightly decreases
602performance, on most it greatly helps it. The slowdown is small, so it
603should normally be enabled.
604
524=item B<geometry:> I<geom> 605=item B<geometry:> I<geom>
525 606
526Create the window with the specified X window geometry [default 80x24]; 607Create the window with the specified X window geometry [default 80x24];
527option B<-geometry>. 608option B<-geometry>.
528 609
541Use the specified colour for the colour value I<n>, where 0-7 622Use the specified colour for the colour value I<n>, where 0-7
542corresponds to low-intensity (normal) colours and 8-15 corresponds to 623corresponds to low-intensity (normal) colours and 8-15 corresponds to
543high-intensity (bold = bright foreground, blink = bright background) 624high-intensity (bold = bright foreground, blink = bright background)
544colours. The canonical names are as follows: 0=black, 1=red, 2=green, 625colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5453=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6263=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
546names used are listed in the B<COLORS AND GRAPHICS> section. 627names used are listed in the B<COLOURS AND GRAPHICS> section.
547 628
548Colours higher than 15 cannot be set using resources (yet), but can be 629Colours higher than 15 cannot be set using resources (yet), but can be
549changed using an escape command (see @@RXVT_NAME@@(7)). 630changed using an escape command (see @@RXVT_NAME@@(7)).
550 631
551Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 632Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
562=item B<colorUL:> I<colour> 643=item B<colorUL:> I<colour>
563 644
564Use the specified colour to display underlined characters when the 645Use the specified colour to display underlined characters when the
565foreground colour is the default. 646foreground colour is the default.
566 647
567=item B<colorRV:> I<colour>
568
569Use the specified colour as the background for reverse video
570characters.
571
572=item B<underlineColor:> I<colour> 648=item B<underlineColor:> I<colour>
573 649
574If set, use the specified colour as the colour for the underline 650If set, use the specified colour as the colour for the underline
575itself. If unset, use the foreground colour. 651itself. If unset, use the foreground colour.
652
653=item B<highlightColor:> I<colour>
654
655If set, use the specified colour as the background for highlighted
656characters. If unset, use reverse video.
657
658=item B<highlightTextColor:> I<colour>
659
660If set and highlightColor is set, use the specified colour as the
661foreground for highlighted characters.
576 662
577=item B<cursorColor:> I<colour> 663=item B<cursorColor:> I<colour>
578 664
579Use the specified colour for the cursor. The default is to use the 665Use the specified colour for the cursor. The default is to use the
580foreground colour; option B<-cr>. 666foreground colour; option B<-cr>.
587 673
588=item B<reverseVideo:> I<boolean> 674=item B<reverseVideo:> I<boolean>
589 675
590B<True>: simulate reverse video by foreground and background colours; 676B<True>: simulate reverse video by foreground and background colours;
591option B<-rv>. B<False>: regular screen colours [default]; option 677option B<-rv>. B<False>: regular screen colours [default]; option
592B<+rv>. See note in B<COLORS AND GRAPHICS> section. 678B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
593 679
594=item B<jumpScroll:> I<boolean> 680=item B<jumpScroll:> I<boolean>
595 681
596B<True>: specify that jump scrolling should be used. When scrolling 682B<True>: specify that jump scrolling should be used. When receiving lots
597quickly, fewer screen updates are performed [default]; option B<-j>. 683of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
684has been read, resulting in fewer updates while still displaying every
685received line; option B<-j>.
686
598B<False>: specify that smooth scrolling should be used; option B<+j>. 687B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
688force a screen refresh on each new line it received; option B<+j>.
599 689
600=item B<inheritPixmap:> I<boolean> 690=item B<skipScroll:> I<boolean>
601 691
602B<True>: make the background inherit the parent windows' pixmap, giving 692B<True>: (the default) specify that skip scrolling should be used. When
603artificial transparency. B<False>: do not inherit the parent windows' 693receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
604pixmap. 694(around 60 times per second), resulting in far fewer updates. This can
695result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
696option B<-ss>.
605 697
606I<Please note that transparency of any kind if completely unsupported by 698B<False>: specify that everything is to be displayed, even
607the author. Don't bug him with installation questions!> 699if the refresh is too fast for the human eye to read anything (or the
700monitor to display anything); option B<+ss>.
701
702=item B<transparent:> I<boolean>
703
704Turn on/off illusion of a transparent window background.
705
706B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
707future versions.
608 708
609=item B<fading:> I<number> 709=item B<fading:> I<number>
610 710
611Fade the text by the given percentage when focus is lost; option B<-fade>. 711Fade the text by the given percentage when focus is lost; option B<-fade>.
612 712
620Tint the transparent background pixmap with the given colour; option 720Tint the transparent background pixmap with the given colour; option
621B<-tint>. 721B<-tint>.
622 722
623=item B<shading:> I<number> 723=item B<shading:> I<number>
624 724
625Darken (0 .. 100) or lighten (-1 .. -100) the transparent background 725Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image
626image in addition to tinting it. 726in addition to tinting it; option B<-sh>.
727
728=item B<blendType:> I<string>
729
730Specify background blending type; option B<-blt>.
731
732=item B<blurRadius:> I<number>
733
734Apply gaussian blur with the specified radius to the transparent
735background image; option B<-blr>.
736
737=item B<iconFile:> I<file>
738
739Set the application icon pixmap; option B<-icon>.
627 740
628=item B<scrollColor:> I<colour> 741=item B<scrollColor:> I<colour>
629 742
630Use the specified colour for the scrollbar [default #B2B2B2]. 743Use the specified colour for the scrollbar [default #B2B2B2].
631 744
637=item B<borderColor:> I<colour> 750=item B<borderColor:> I<colour>
638 751
639The colour of the border around the text area and between the scrollbar 752The colour of the border around the text area and between the scrollbar
640and the text. 753and the text.
641 754
642=item B<backgroundPixmap:> I<file[;geom]> 755=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
643 756
644Use the specified XPM file (note the `.xpm' extension is optional) for 757Use the specified image file for the background and also
645the background and also optionally specify its scaling with a geometry 758optionally specify its scaling with a geometry string B<WxH+X+Y>,
646string B<WxH+X+Y>, in which B<"W" / "H"> specify the 759(default C<100x100+50+50>) in which B<"W" / "H"> specify the
647horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 760horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
648centre (percent). A scale of 0 displays the image with tiling. A scale 761centre (percent). A scale of 0 displays the image with tiling.
649of 1 displays the image without any scaling. A scale of 2 to 9 762The maximum permitted scale is 1000.
650specifies an integer number of images in that direction. No image will 763Additional operations can be specified after colon B<:op1:op2...>.
651be magnified beyond 10 times its original size. The maximum permitted 764Supported operations are:
652scale is 1000. [default 0x0+50+50] 765
766 tile force background image to be tiled and not scaled. Equivalent to 0x0
767 propscale will scale image keeping proportions
768 auto will scale image to match window size. Equivalent to 100x100
769 hscale will scale image horizontally to the window size
770 vscale will scale image vertically to the window size
771 scale will scale image to match window size
772 root will tile image as if it was a root window background, auto-adjusting
773 whenever terminal window moves
774
775If used in conjunction with B<-tr> option, the specified pixmap will be
776blended over transparency image using alpha-blending. If I<afterimage>
777support has been compiled in it is possible to choose other blending
778types with B<-blt "type"> option.
653 779
654=item B<path:> I<path> 780=item B<path:> I<path>
655 781
656Specify the colon-delimited search path for finding XPM files. 782Specify the colon-delimited search path for finding background image files.
657 783
658=item B<font:> I<fontlist> 784=item B<font:> I<fontlist>
659 785
660Select the fonts to be used. This is a comma separated list of font names 786Select the fonts to be used. This is a comma separated list of font names
661that are checked in order when trying to find glyphs for characters. The 787that are checked in order when trying to find glyphs for characters. The
684it is named first) and thus defines the character cell grid to be 9 pixels 810it is named first) and thus defines the character cell grid to be 9 pixels
685wide and 15 pixels high. 811wide and 15 pixels high.
686 812
687The second font is just used to add additional unicode characters not in 813The second font is just used to add additional unicode characters not in
688the base font, likewise the third, which is unfortunately non-bold, but 814the base font, likewise the third, which is unfortunately non-bold, but
689the bold version of the font does contain less characters, so this is a 815the bold version of the font does contain fewer characters, so this is a
690useful supplement. 816useful supplement.
691 817
692The third font is an Xft font with aliasing turned off, and the characters 818The third font is an Xft font with aliasing turned off, and the characters
693are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 819are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
694contains other characters, but we are not interested in them. 820contains other characters, but we are not interested in them.
718text font will being used for the given style. 844text font will being used for the given style.
719 845
720=item B<intensityStyles:> I<boolean> 846=item B<intensityStyles:> I<boolean>
721 847
722When font styles are not enabled, or this option is enabled (B<True>, 848When font styles are not enabled, or this option is enabled (B<True>,
723option B<-is>, the default), bold and italic font styles imply high 849option B<-is>, the default), bold/blink font styles imply high
724intensity foreground/background colours. Disabling this option (B<False>, 850intensity foreground/background colours. Disabling this option (B<False>,
725option B<+is>) disables this behaviour, the high intensity colours are not 851option B<+is>) disables this behaviour, the high intensity colours are not
726reachable. 852reachable.
727 853
728=item B<selectstyle:> I<mode>
729
730Set mouse selection style to B<old> which is 2.20, B<oldword> which is
731xterm style with 2.20 old word selection, or anything else which gives
732xterm style selection.
733
734=item B<scrollstyle:> I<mode>
735
736Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
737the author's favourite.
738
739=item B<title:> I<string> 854=item B<title:> I<string>
740 855
741Set window title string, the default title is the command-line 856Set window title string, the default title is the command-line
742specified after the B<-e> option, if any, otherwise the application 857specified after the B<-e> option, if any, otherwise the application
743name; option B<-title>. 858name; option B<-title>.
751=item B<mapAlert:> I<boolean> 866=item B<mapAlert:> I<boolean>
752 867
753B<True>: de-iconify (map) on receipt of a bell character. B<False>: no 868B<True>: de-iconify (map) on receipt of a bell character. B<False>: no
754de-iconify (map) on receipt of a bell character [default]. 869de-iconify (map) on receipt of a bell character [default].
755 870
871=item B<urgentOnBell:> I<boolean>
872
873B<True>: set the urgency hint for the wm on receipt of a bell character.
874B<False>: do not set the urgency hint [default].
875
876@@RXVT_NAME@@ resets the urgency hint on every focus change.
877
756=item B<visualBell:> I<boolean> 878=item B<visualBell:> I<boolean>
757 879
758B<True>: use visual bell on receipt of a bell character; option B<-vb>. 880B<True>: use visual bell on receipt of a bell character; option B<-vb>.
759B<False>: no visual bell [default]; option B<+vb>. 881B<False>: no visual bell [default]; option B<+vb>.
760 882
782 904
783 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 905 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
784 906
785This creates a new file in your home directory with the screen contents 907This creates a new file in your home directory with the screen contents
786every time you hit C<Print>. 908every time you hit C<Print>.
909
910=item B<scrollstyle:> I<mode>
911
912Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
913the author's favourite.
787 914
788=item B<scrollBar:> I<boolean> 915=item B<scrollBar:> I<boolean>
789 916
790B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 917B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
791disable the scrollbar; option B<+sb>. 918disable the scrollbar; option B<+sb>.
854=item B<termName:> I<termname> 981=item B<termName:> I<termname>
855 982
856Specifies the terminal type name to be set in the B<TERM> environment 983Specifies the terminal type name to be set in the B<TERM> environment
857variable; option B<-tn>. 984variable; option B<-tn>.
858 985
859=item B<linespace:> I<number> 986=item B<lineSpace:> I<number>
860 987
861Specifies number of lines (pixel height) to insert between each row of 988Specifies number of lines (pixel height) to insert between each row of
862the display [default 0]; option B<-lsp>. 989the display [default 0]; option B<-lsp>.
863 990
864=item B<meta8:> I<boolean> 991=item B<meta8:> I<boolean>
878 1005
879=item B<cursorBlink:> I<boolean> 1006=item B<cursorBlink:> I<boolean>
880 1007
881B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1008B<True>: blink the cursor. B<False>: do not blink the cursor [default];
882option B<-bc>. 1009option B<-bc>.
1010
1011=item B<cursorUnderline:> I<boolean>
1012
1013B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1014option B<-uc>.
883 1015
884=item B<pointerBlank:> I<boolean> 1016=item B<pointerBlank:> I<boolean>
885 1017
886B<True>: blank the pointer when a key is pressed or after a set number 1018B<True>: blank the pointer when a key is pressed or after a set number
887of seconds of inactivity. B<False>: the pointer is always visible 1019of seconds of inactivity. B<False>: the pointer is always visible
901large number (e.g. C<987654321>) to effectively disable the timeout. 1033large number (e.g. C<987654321>) to effectively disable the timeout.
902 1034
903=item B<backspacekey:> I<string> 1035=item B<backspacekey:> I<string>
904 1036
905The string to send when the backspace key is pressed. If set to B<DEC> 1037The string to send when the backspace key is pressed. If set to B<DEC>
906or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1038or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
907(code 8) - which can be reversed with the appropriate DEC private mode 1039(code 8) - which can be reversed with the appropriate DEC private mode
908escape sequence. 1040escape sequence.
909 1041
910=item B<deletekey:> I<string> 1042=item B<deletekey:> I<string>
911 1043
916=item B<cutchars:> I<string> 1048=item B<cutchars:> I<string>
917 1049
918The characters used as delimiters for double-click word selection 1050The characters used as delimiters for double-click word selection
919(whitespace delimiting is added automatically if resource is given). 1051(whitespace delimiting is added automatically if resource is given).
920 1052
921When the selection extension is in use (the default if compiled in, see 1053When the perl selection extension is in use (the default if compiled
922the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these characters 1054in, see the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these
923will be created (if the resource exists, otherwise, no regex will be 1055characters will be created (if the resource exists, otherwise, no regex
924created). In this mode, characters outside ISO-8859-1 can be used. 1056will be created). In this mode, characters outside ISO-8859-1 can be used.
925 1057
926When the selection extension is not used, only ISO-8859-1 characters can 1058When the selection extension is not used, only ISO-8859-1 characters can
927be used. If not specified, the built-in default is used: 1059be used. If not specified, the built-in default is used:
928 1060
929B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1061B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
930 1062
931=item B<preeditType:> I<style> 1063=item B<preeditType:> I<style>
932 1064
933B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1065B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
934 1066
988 1120
989Turn on/off secondary screen (default enabled). 1121Turn on/off secondary screen (default enabled).
990 1122
991=item B<secondaryScroll:> I<boolean> 1123=item B<secondaryScroll:> I<boolean>
992 1124
993Turn on/off secondary screen scroll (default enabled). If the this 1125Turn on/off secondary screen scroll (default enabled). If this
994option is enabled, scrolls on the secondary screen will change the 1126option is enabled, scrolls on the secondary screen will change the
995scrollback buffer and switching to/from the secondary screen will 1127scrollback buffer and, when secondaryScreen is off, switching
996instead scroll the screen up. 1128to/from the secondary screen will instead scroll the screen up.
997 1129
998=item B<hold>: I<boolean> 1130=item B<hold>: I<boolean>
999 1131
1000Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1132Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1001will not immediately destroy its window when the program executed within 1133will not immediately destroy its window when the program executed within
1002it exits. Instead, it will wait till it is being killed or closed by the 1134it exits. Instead, it will wait till it is being killed or closed by the
1003user. 1135user.
1136
1137=item B<chdir>: I<path>
1138
1139Sets the working directory for the shell (or the command specified via
1140B<-e>). The I<path> must be an absolute path and it must exist for
1141@@RXVT_NAME@@ to start. If it isn't specified then the current working
1142directory will be used; option B<-cd>.
1004 1143
1005=item B<keysym.>I<sym>: I<string> 1144=item B<keysym.>I<sym>: I<string>
1006 1145
1007Compile I<frills>: Associate I<string> with keysym I<sym>. The 1146Compile I<frills>: Associate I<string> with keysym I<sym>. The
1008intervening resource name B<keysym.> cannot be omitted. 1147intervening resource name B<keysym.> cannot be omitted.
1022searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1161searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1023omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1162omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1024keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1163keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1025performed in an exact manner; however, the closest match is assured. 1164performed in an exact manner; however, the closest match is assured.
1026 1165
1027I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1166I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1028C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1167number), see RESOURCES in C<man 7 X> for further details.
1029C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1030C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1031can start or end with whitespace. B<This feature is deprecated and will
1032be removed>.
1033
1034Please note that you need to double the C<\> in resource files, as
1035Xlib itself does its own de-escaping (you can use C<\033> instead of
1036C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1037processing).
1038 1168
1039You can define a range of keysyms in one shot by providing a I<string> 1169You can define a range of keysyms in one shot by providing a I<string>
1040with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1170with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1041should be a character not used by the strings. 1171should be a character not used by the strings.
1042 1172
1056when Control-Meta-c is being pressed": 1186when Control-Meta-c is being pressed":
1057 1187
1058 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1188 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1059 1189
1060If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1190If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1061is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1191is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1062manpage. For example, the F<selection> extension (activated via 1192manpage. For example, the F<selection> extension (activated via
1063C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1193C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1064 1194
1065 URxvt.keysym.M-C-c: perl:selection:rot13 1195 URxvt.keysym.M-C-c: perl:selection:rot13
1066 1196
1067Due the the large number of modifier combinations, a defined key mapping 1197Due the the large number of modifier combinations, a defined key mapping
1068will match if at I<at least> the specified identifiers are being set, and 1198will match if I<at least> the specified identifiers are being set, and
1069no other key mappings with those and more bits are being defined. That 1199no other key mappings with those and more bits are being defined. That
1070means that defining a key map for C<a> will automatically provide 1200means that defining a key map for C<a> will automatically provide
1071definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1201definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1072mappings themselves. 1202mappings themselves.
1073 1203
1124all instances, while B<perl-ext> is used for specific instances. 1254all instances, while B<perl-ext> is used for specific instances.
1125 1255
1126=item B<perl-eval>: I<string> 1256=item B<perl-eval>: I<string>
1127 1257
1128Perl code to be evaluated when all extensions have been registered. See 1258Perl code to be evaluated when all extensions have been registered. See
1129the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1259the @@RXVT_NAME@@perl(3) manpage.
1130will be ignored when running setuid/setgid.
1131 1260
1132=item B<perl-lib>: I<path> 1261=item B<perl-lib>: I<path>
1133 1262
1134Colon-separated list of additional directories that hold extension 1263Colon-separated list of additional directories that hold extension
1135scripts. When looking for extensions specified by the C<perl> resource, 1264scripts. When looking for extensions specified by the C<perl> resource,
1136@@RXVT_NAME@@ will first look in these directories and then in 1265@@RXVT_NAME@@ will first look in these directories and then in
1137F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1266F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1138will be ignored when running setuid/setgid.
1139 1267
1140See the @@RXVT_NAME@@perl(3) manpage. 1268See the @@RXVT_NAME@@perl(3) manpage.
1141 1269
1142=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1270=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1143 1271
1165 1293
1166=item B<override-redirect>: I<boolean> 1294=item B<override-redirect>: I<boolean>
1167 1295
1168Compile I<frills>: Sets override-redirect for the terminal window, making 1296Compile I<frills>: Sets override-redirect for the terminal window, making
1169it almost invisible to window managers; option B<-override-redirect>. 1297it almost invisible to window managers; option B<-override-redirect>.
1298
1299=item B<iso14755:> I<boolean>
1300
1301Turn on/off ISO 14755 (default enabled).
1302
1303=item B<iso14755_52:> I<boolean>
1304
1305Turn on/off ISO 14755 5.2 mode (default enabled).
1170 1306
1171=back 1307=back
1172 1308
1173=head1 THE SCROLLBAR 1309=head1 THE SCROLLBAR
1174 1310
1193application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~> 1329application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
1194(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the 1330(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
1195up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down), 1331up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down),
1196respectively. 1332respectively.
1197 1333
1198=head1 TEXT SELECTION AND INSERTION 1334=head1 THE SELECTION: SELECTING AND PASTING TEXT
1199 1335
1200The behaviour of text selection and insertion mechanism is similar to 1336The behaviour of text selection and insertion/pasting mechanism is similar
1201I<xterm>(1). 1337to I<xterm>(1).
1202 1338
1203=over 4 1339=over 4
1204 1340
1205=item B<Selection>: 1341=item B<Selecting>:
1206 1342
1207Left click at the beginning of the region, drag to the end of the region 1343Left click at the beginning of the region, drag to the end of the region
1208and release; Right click to extend the marked region; Left double-click 1344and release; Right click to extend the marked region; Left double-click
1209to select a word; Left triple-click to select the entire logical line 1345to select a word; Left triple-click to select the entire logical line
1210(which can span multiple screen lines), unless modified by resource 1346(which can span multiple screen lines), unless modified by resource
1214(Compile: I<frills>) will create a rectangular selection instead of a 1350(Compile: I<frills>) will create a rectangular selection instead of a
1215normal one. In this mode, every selected row becomes its own line in the 1351normal one. In this mode, every selected row becomes its own line in the
1216selection, and trailing whitespace is visually underlined and removed from 1352selection, and trailing whitespace is visually underlined and removed from
1217the selection. 1353the selection.
1218 1354
1219=item B<Insertion>: 1355=item B<Pasting>:
1220 1356
1221Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@> 1357Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
1222window causes the value of the PRIMARY selection (or CLIPBOARD with the 1358window causes the value of the PRIMARY selection (or CLIPBOARD with the
1223Meta modifier) to be inserted as if it had been typed on the keyboard. 1359B<Meta> modifier) to be inserted as if it had been typed on the keyboard.
1224 1360
1225Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be 1361Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
1226inserted too. 1362inserted too.
1227 1363
1228=back 1364=back
1245 1381
1246=head1 ISO 14755 SUPPORT 1382=head1 ISO 14755 SUPPORT
1247 1383
1248ISO 14755 is a standard for entering and viewing unicode characters 1384ISO 14755 is a standard for entering and viewing unicode characters
1249and character codes using the keyboard. It consists of 4 parts. The 1385and character codes using the keyboard. It consists of 4 parts. The
1250first part is available rxvt-unicode has been compiled with 1386first part is available if rxvt-unicode has been compiled with
1251C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1387C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1252with C<--enable-iso14755>. 1388with C<--enable-iso14755>.
1253 1389
1254=over 4 1390=over 4
1255 1391
1313B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1449B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1314it can be seen via the I<who(1)> command, and can accept messages. To 1450it can be seen via the I<who(1)> command, and can accept messages. To
1315allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1451allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1316on some systems or setgid to root or to some other group on others. 1452on some systems or setgid to root or to some other group on others.
1317 1453
1318=head1 COLORS AND GRAPHICS 1454=head1 COLOURS AND GRAPHICS
1319 1455
1320In addition to the default foreground and background colours, 1456In addition to the default foreground and background colours,
1321B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1457B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1322high-intensity bold/blink versions of the same). Here is a list of the 1458high-intensity (potentially bold/blink) versions of the same, and 72 (or
1323colours with their names. 1459240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1460cube plus a 8 (24) colour greyscale ramp.
1461
1462Here is a list of the ANSI colours with their names.
1324 1463
1325=begin table 1464=begin table
1326 1465
1327 B<color0> (black) = Black 1466 B<color0> (black) = Black
1328 B<color1> (red) = Red3 1467 B<color1> (red) = Red3
1348It is also possible to specify the colour values of B<foreground>, 1487It is also possible to specify the colour values of B<foreground>,
1349B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1488B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1350a number 0-15, as a convenient shorthand to reference the colour name of 1489a number 0-15, as a convenient shorthand to reference the colour name of
1351color0-color15. 1490color0-color15.
1352 1491
1353In addition to the colours defined above, @@RXVT_NAME@@ offers an 1492The following text gives values for the standard 88 colour mode (and
1354additional 72 colours. The first 64 of those (with indices 16 to 79) 1493values for the 256 colour mode in parentheses).
1355consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
135616>), followed by 8 additional shades of gray (with indices 80 to 87).
1357 1494
1495The RGB cube uses indices 16..79 (16..231) using the following formulas:
1496
1497 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1498 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1499
1500The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1501steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1502the RGB cube.
1503
1358Together, all those colours implement the 88 colour xterm colours. Only 1504Together, all those colours implement the 88 (256) colour xterm
1359the first 16 can be changed using resources currently, the rest can only 1505colours. Only the first 16 can be changed using resources currently, the
1360be changed via command sequences ("escape codes"). 1506rest can only be changed via command sequences ("escape codes").
1507
1508Applications are advised to use terminfo or command sequences to discover
1509number and RGB values of all colours (yes, you can query this...).
1361 1510
1362Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1511Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1363always swapping the foreground/background colours. This is in contrast to 1512always swapping the foreground/background colours. This is in contrast to
1364I<xterm>(1) where the colours are only swapped if they have not otherwise 1513I<xterm>(1) where the colours are only swapped if they have not otherwise
1365been specified. For example, 1514been specified. For example,
1366 1515
1367=over 4
1368
1369=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1516 @@RXVT_NAME@@ -fg Black -bg White -rv
1370 1517
1371would yield White on Black, while on I<xterm>(1) it would yield Black 1518would yield White on Black, while on I<xterm>(1) it would yield Black on
1372on White. 1519White.
1373
1374=back
1375 1520
1376=head2 ALPHA CHANNEL SUPPORT 1521=head2 ALPHA CHANNEL SUPPORT
1377 1522
1378If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1523If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1379their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1524their act together, rxvt-unicode will do it's own alpha channel management:
1380(recommended, but B<MUST> have 4 digits/component) colour specifications, 1525
1381in addition to the ones provided by X, where the additional A component 1526You can prefix any colour with an opaqueness percentage enclosed in
1527brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1528(0-100) that specifies the opacity of the colour, where C<0> is completely
1529transparent and C<100> is completely opaque. For example, C<[50]red> is a
1530half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1531is the recommended format to specify transparency values, and works with
1532all ways to specify a colour.
1533
1534For complete control, rxvt-unicode also supports
1535C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1536specifications, where the additional C<aaaa> component specifies opacity
1382specifies opacity (alpha) values. The minimum value of C<0> is completely 1537(alpha) values. The minimum value of C<0000> is completely transparent,
1383transparent). You can also prefix any color with C<[percent]>, where 1538while C<ffff> is completely opaque). The two example colours from
1384C<percent> is a decimal percentage (0-100) that specifies the opacity of 1539earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1385the color, where C<0> is completely transparent and C<100> is completelxy 1540C<rgba:0000/ff00/0000/f332>.
1386opaque.
1387 1541
1388You probably need to specify B<"-depth 32">, too, and have the luck that 1542You probably need to specify B<"-depth 32">, too, to force a visual with
1389your X-server uses ARGB pixel layout, as X is far from just supporting 1543alpha channels, and have the luck that your X-server uses ARGB pixel
1390ARGB visuals out of the box, and rxvt-unicode just fudges around. 1544layout, as X is far from just supporting ARGB visuals out of the box, and
1545rxvt-unicode just fudges around.
1391 1546
1392For example, the following selects an almost completely transparent red 1547For example, the following selects an almost completely transparent black
1393background, and an almost opaque pink foreground: 1548background, and an almost opaque pink foreground:
1394 1549
1395 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1550 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1396 1551
1397I<Please note that transparency of any kind if completely unsupported by 1552When not using a background image, then the interpretation of the
1398the author. Don't bug him with installation questions!> 1553alpha channel is up to your compositing manager (most interpret it as
1554transparency of course).
1555
1556When using a background pixmap or pseudo-transparency, then the background
1557colour will always behave as if it were completely transparent (so the
1558background image shows instead), regardless of how it was specified, while
1559other colours will either be transparent as specified (the background
1560image will show through) on servers supporting the RENDER extension, or
1561fully opaque on servers not supporting the RENDER EXTENSION.
1562
1563Please note that due to bugs in Xft, specifying alpha values might result
1564in garbage being displayed when the X-server does not support the RENDER
1565extension.
1399 1566
1400=head1 ENVIRONMENT 1567=head1 ENVIRONMENT
1401 1568
1402B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1569B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1403 1570
1409resources or on the command line. 1576resources or on the command line.
1410 1577
1411=item B<COLORTERM> 1578=item B<COLORTERM>
1412 1579
1413Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1580Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1414compiled with XPM support, and optionally with the added extension 1581compiled with background image support, and optionally with the added
1415C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1582extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1583screen.
1416 1584
1417=item B<COLORFGBG> 1585=item B<COLORFGBG>
1418 1586
1419Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1587Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1420the colour code used as default foreground/text colour (or the string 1588the colour code used as default foreground/text colour (or the string
1421C<default> to indicate that the default-colour escape sequence is to be 1589C<default> to indicate that the default-colour escape sequence is to be
1422used), C<bg> is the colour code used as default background colour (or the 1590used), C<bg> is the colour code used as default background colour (or the
1423string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1591string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1424was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1592was compiled with background image support. Libraries like C<ncurses>
1425(and do) use this information to optimize screen output. 1593and C<slang> can (and do) use this information to optimize screen output.
1426 1594
1427=item B<WINDOWID> 1595=item B<WINDOWID>
1428 1596
1429Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1597Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1430window, which usually has subwindows for the scrollbar, the terminal 1598window, which usually has subwindows for the scrollbar, the terminal
1436C<--with-terminfo=PATH>. 1604C<--with-terminfo=PATH>.
1437 1605
1438=item B<DISPLAY> 1606=item B<DISPLAY>
1439 1607
1440Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1608Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1441display in its child processes. 1609display in its child processes if C<-display> isn't used to override. It
1610defaults to C<:0> if it doesn't exist.
1442 1611
1443=item B<SHELL> 1612=item B<SHELL>
1444 1613
1445The shell to be used for command execution, defaults to C</bin/sh>. 1614The shell to be used for command execution, defaults to C</bin/sh>.
1446 1615
1472 1641
1473=over 4 1642=over 4
1474 1643
1475=item B</usr/lib/X11/rgb.txt> 1644=item B</usr/lib/X11/rgb.txt>
1476 1645
1477Color names. 1646Colour names.
1478 1647
1479=back 1648=back
1480 1649
1481=head1 SEE ALSO 1650=head1 SEE ALSO
1482 1651
1521Project Coordinator (changes.txt 2.21a to 2.4.5) 1690Project Coordinator (changes.txt 2.21a to 2.4.5)
1522 1691
1523=item Geoff Wing L<< <gcw@pobox.com> >> 1692=item Geoff Wing L<< <gcw@pobox.com> >>
1524 1693
1525Rewrote screen display and text selection routines. 1694Rewrote screen display and text selection routines.
1526 1695
1527Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1696Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1528 1697
1529=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1698=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1530 1699
1531Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1700Forked rxvt-unicode, unicode support, rewrote almost all the code, perl

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