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Revision 1.129 by root, Mon May 28 20:34:56 2007 UTC vs.
Revision 1.215 by sf-exg, Sun May 20 16:34:42 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<-blr> I<HxV>
156
157Apply Gaussian Blur with the specified radii to the transparent
158background. If a single number is specified, the vertical and
159horizontal radii are considered to be the same. Setting one of the
160radii to 1 and the other to a large number creates interesting effects
161on some backgrounds. The maximum radius value is 128. An horizontal or
162vertical radius of 0 disables blurring;
163resource I<blurRadius>.
164
165=item B<-icon> I<file>
166
167Compile I<pixbuf>: Use the specified image as application icon. This
168is used by many window managers, taskbars and pagers to represent the
169application window; resource I<iconFile>.
150 170
151=item B<-bg> I<colour> 171=item B<-bg> I<colour>
152 172
153Window background colour; resource B<background>. 173Window background colour; resource B<background>.
154 174
155=item B<-fg> I<colour> 175=item B<-fg> I<colour>
156 176
157Window foreground colour; resource B<foreground>. 177Window foreground colour; resource B<foreground>.
158 178
159=item B<-pixmap> I<file[;geom]> 179=item B<-pixmap> I<file[;oplist]>
160 180
161Compile I<XPM>: Specify XPM file for the background and also optionally 181Compile I<pixbuf>: Specify image file for the background and also
162specify its scaling with a geometry string. Note you may need to 182optionally 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 183add quotes to avoid special shell interpretation of the C<;> in the
164command-line; resource B<backgroundPixmap>. 184command-line; for more details see resource B<backgroundPixmap>.
165 185
166=item B<-cr> I<colour> 186=item B<-cr> I<colour>
167 187
168The cursor colour; resource B<cursorColor>. 188The cursor colour; resource B<cursorColor>.
169 189
214italic> >> characters are to be printed. See resource B<boldItalicFont> 234italic> >> characters are to be printed. See resource B<boldItalicFont>
215for details. 235for details.
216 236
217=item B<-is>|B<+is> 237=item B<-is>|B<+is>
218 238
219Compile I<font-styles>: Bold/Italic font styles imply high intensity 239Compile I<font-styles>: Bold/Blink font styles imply high intensity
220foreground/background (default). See resource B<intensityStyles> for 240foreground/background (default). See resource B<intensityStyles> for
221details. 241details.
222 242
223=item B<-name> I<name> 243=item B<-name> I<name>
224 244
242 262
243=item B<-sb>|B<+sb> 263=item B<-sb>|B<+sb>
244 264
245Turn on/off scrollbar; resource B<scrollBar>. 265Turn on/off scrollbar; resource B<scrollBar>.
246 266
267=item B<-sr>|B<+sr>
268
269Put scrollbar on right/left; resource B<scrollBar_right>.
270
271=item B<-st>|B<+st>
272
273Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
274resource B<scrollBar_floating>.
275
247=item B<-si>|B<+si> 276=item B<-si>|B<+si>
248 277
249Turn on/off scroll-to-bottom on TTY output inhibit; resource 278Turn on/off scroll-to-bottom on TTY output inhibit; resource
250B<scrollTtyOutput> has opposite effect. 279B<scrollTtyOutput> has opposite effect.
251 280
257=item B<-sw>|B<+sw> 286=item B<-sw>|B<+sw>
258 287
259Turn on/off scrolling with the scrollback buffer as new lines appear. 288Turn on/off scrolling with the scrollback buffer as new lines appear.
260This only takes effect if B<-si> is also given; resource 289This only takes effect if B<-si> is also given; resource
261B<scrollWithBuffer>. 290B<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>.
271 291
272=item B<-ptab>|B<+ptab> 292=item B<-ptab>|B<+ptab>
273 293
274If enabled (default), "Horizontal Tab" characters are being stored as 294If enabled (default), "Horizontal Tab" characters are being stored as
275actual wide characters in the screen buffer, which makes it possible to 295actual wide characters in the screen buffer, which makes it possible to
279 299
280=item B<-bc>|B<+bc> 300=item B<-bc>|B<+bc>
281 301
282Blink the cursor; resource B<cursorBlink>. 302Blink the cursor; resource B<cursorBlink>.
283 303
304=item B<-uc>|B<+uc>
305
306Make the cursor underlined; resource B<cursorUnderline>.
307
284=item B<-iconic> 308=item B<-iconic>
285 309
286Start iconified, if the window manager supports that option. 310Start iconified, if the window manager supports that option.
287Alternative form is B<-ic>. 311Alternative form is B<-ic>.
288 312
304 328
305=item B<-bl> 329=item B<-bl>
306 330
307Compile I<frills>: Set MWM hints to request a borderless window, i.e. 331Compile 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 332if honoured by the WM, the rxvt-unicode window will not have window
309decorations; resource B<borderLess>. 333decorations; resource B<borderLess>. If the window manager does not
334support MWM hints (e.g. kwin), enables override-redirect mode.
310 335
311=item B<-override-redirect> 336=item B<-override-redirect>
312 337
313Compile I<frills>: Sets override-redirect on the window; resource 338Compile I<frills>: Sets override-redirect on the window; resource
314B<override-redirect>. 339B<override-redirect>.
322 347
323=item B<-lsp> I<number> 348=item B<-lsp> I<number>
324 349
325Compile I<frills>: Lines (pixel height) to insert between each row of 350Compile I<frills>: Lines (pixel height) to insert between each row of
326the display. Useful to work around font rendering problems; resource 351the display. Useful to work around font rendering problems; resource
327B<linespace>. 352B<lineSpace>.
353
354=item B<-letsp> I<number>
355
356Compile I<frills>: Amount to adjust the computed character width by
357to control overall letter spacing. Negative values will tighten up the
358letter spacing, positive values will space letters out more. Useful to
359work around odd font metrics; resource B<letterSpace>.
328 360
329=item B<-tn> I<termname> 361=item B<-tn> I<termname>
330 362
331This option specifies the name of the terminal type to be set in the 363This option specifies the name of the terminal type to be set in the
332B<TERM> environment variable. This terminal type must exist in the 364B<TERM> environment variable. This terminal type must exist in the
387 419
388=item B<-tcw> 420=item B<-tcw>
389 421
390Change the meaning of triple-click selection with the left mouse 422Change the meaning of triple-click selection with the left mouse
391button. Only effective when the original (non-perl) selection code is 423button. Only effective when the original (non-perl) selection code is
392in-use. Instead of selecting a full line it will extend the selection the 424in-use. Instead of selecting a full line it will extend the selection to
393end of the logical line only. resource B<tripleclickwords>. 425the end of the logical line only. resource B<tripleclickwords>.
394 426
395=item B<-insecure> 427=item B<-insecure>
396 428
397Enable "insecure" mode, which currently enables most of the escape 429Enable "insecure" mode, which currently enables most of the escape
398sequences that echo strings. See the resource B<insecure> for more 430sequences that echo strings. See the resource B<insecure> for more
418 450
419Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 451Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
420will not immediately destroy its window when the program executed within 452will 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 453it exits. Instead, it will wait till it is being killed or closed by the
422user; resource B<hold>. 454user; resource B<hold>.
455
456=item B<-cd> I<path>
457
458Sets the working directory for the shell (or the command specified via
459B<-e>). The I<path> must be an absolute path and it must exist for
460@@RXVT_NAME@@ to start; resource B<chdir>.
461
462=item B<-xrm> I<string>
463
464Works like the X Toolkit option of the same name, by adding the I<string>
465as if it were specified in a resource file. Resource values specified this
466way take precedence over all other resource specifications.
467
468Note that you need to use the I<same> syntax as in the .Xdefaults file,
469e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
470options can be specified as long-options on the commandline, so use
471of B<-xrm> is mostly limited to cases where you want to specify other
472resources (e.g. for input methods) or for compatibility with other
473programs.
423 474
424=item B<-keysym.>I<sym> I<string> 475=item B<-keysym.>I<sym> I<string>
425 476
426Remap a key symbol. See resource B<keysym>. 477Remap a key symbol. See resource B<keysym>.
427 478
462If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 513If 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 514entries and will not tinker with pty/tty permissions - you have to do that
464yourself if you want that. 515yourself if you want that.
465 516
466As an extremely special case, specifying C<-1> will completely suppress 517As an extremely special case, specifying C<-1> will completely suppress
467pty/tty operations. 518pty/tty operations, which is probably only useful in conjunction with some
519perl extension that manages the terminal.
468 520
469Here is a example in perl that illustrates how this option can be used (a 521Here is a example in perl that illustrates how this option can be used (a
470longer example is in F<doc/pty-fd>): 522longer example is in F<doc/pty-fd>):
471 523
472 use IO::Pty; 524 use IO::Pty;
486Comma-separated list of perl extension scripts to use (or not to use) in 538Comma-separated list of perl extension scripts to use (or not to use) in
487this terminal instance. See resource B<perl-ext> for details. 539this terminal instance. See resource B<perl-ext> for details.
488 540
489=back 541=back
490 542
491=head1 RESOURCES (available also as long-options) 543=head1 RESOURCES
492 544
493Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 545Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
494options) compiled into your version. 546options) compiled into your version. All resources are also available as
547long-options.
495 548
496You can set and change the resources using X11 tools like B<xrdb>. Many 549You 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 550distribution do also load settings from the B<~/.Xresources> file when X
498starts. @@RXVT_NAME@@ will consult the following files/resources in order, 551starts. @@RXVT_NAME@@ will consult the following files/resources in order,
499with later settings overwriting earlier ones: 552with later settings overwriting earlier ones:
500 553
501 1. system-wide app-defaults file, either locale-dependent OR global
502 2. app-defaults file in $XAPPLRESDIR 554 1. app-defaults file in $XAPPLRESDIR
555 2. $HOME/.Xdefaults
503 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 556 3. RESOURCE_MANAGER property on root-window of screen 0
504 4. SCREEN_RESOURCES for the current screen 557 4. SCREEN_RESOURCES property on root-window of the current screen
505 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 558 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
559 6. resources specified via -xrm on the commandline
506 560
507Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 561Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
508names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 562names: 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 563common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
510configured, while the class name B<URxvt> allows resources unique to 564configured, while the class name B<URxvt> allows resources unique to
520=item B<depth:> I<bitdepth> 574=item B<depth:> I<bitdepth>
521 575
522Compile I<xft>: Attempt to find a visual with the given bit depth; 576Compile I<xft>: Attempt to find a visual with the given bit depth;
523option B<-depth>. 577option B<-depth>.
524 578
579=item B<buffered:> I<boolean>
580
581Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
582On some card/driver combination enabling it slightly decreases
583performance, on most it greatly helps it. The slowdown is small, so it
584should normally be enabled.
585
525=item B<geometry:> I<geom> 586=item B<geometry:> I<geom>
526 587
527Create the window with the specified X window geometry [default 80x24]; 588Create the window with the specified X window geometry [default 80x24];
528option B<-geometry>. 589option B<-geometry>.
529 590
542Use the specified colour for the colour value I<n>, where 0-7 603Use the specified colour for the colour value I<n>, where 0-7
543corresponds to low-intensity (normal) colours and 8-15 corresponds to 604corresponds to low-intensity (normal) colours and 8-15 corresponds to
544high-intensity (bold = bright foreground, blink = bright background) 605high-intensity (bold = bright foreground, blink = bright background)
545colours. The canonical names are as follows: 0=black, 1=red, 2=green, 606colours. 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 6073=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
547names used are listed in the B<COLORS AND GRAPHICS> section. 608names used are listed in the B<COLOURS AND GRAPHICS> section.
548 609
549Colours higher than 15 cannot be set using resources (yet), but can be 610Colours higher than 15 cannot be set using resources (yet), but can be
550changed using an escape command (see @@RXVT_NAME@@(7)). 611changed using an escape command (see @@RXVT_NAME@@(7)).
551 612
552Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 613Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
563=item B<colorUL:> I<colour> 624=item B<colorUL:> I<colour>
564 625
565Use the specified colour to display underlined characters when the 626Use the specified colour to display underlined characters when the
566foreground colour is the default. 627foreground colour is the default.
567 628
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> 629=item B<underlineColor:> I<colour>
574 630
575If set, use the specified colour as the colour for the underline 631If set, use the specified colour as the colour for the underline
576itself. If unset, use the foreground colour. 632itself. If unset, use the foreground colour.
633
634=item B<highlightColor:> I<colour>
635
636If set, use the specified colour as the background for highlighted
637characters. If unset, use reverse video.
638
639=item B<highlightTextColor:> I<colour>
640
641If set and highlightColor is set, use the specified colour as the
642foreground for highlighted characters.
577 643
578=item B<cursorColor:> I<colour> 644=item B<cursorColor:> I<colour>
579 645
580Use the specified colour for the cursor. The default is to use the 646Use the specified colour for the cursor. The default is to use the
581foreground colour; option B<-cr>. 647foreground colour; option B<-cr>.
588 654
589=item B<reverseVideo:> I<boolean> 655=item B<reverseVideo:> I<boolean>
590 656
591B<True>: simulate reverse video by foreground and background colours; 657B<True>: simulate reverse video by foreground and background colours;
592option B<-rv>. B<False>: regular screen colours [default]; option 658option B<-rv>. B<False>: regular screen colours [default]; option
593B<+rv>. See note in B<COLORS AND GRAPHICS> section. 659B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
594 660
595=item B<jumpScroll:> I<boolean> 661=item B<jumpScroll:> I<boolean>
596 662
597B<True>: specify that jump scrolling should be used. When scrolling 663B<True>: specify that jump scrolling should be used. When receiving lots
598quickly, fewer screen updates are performed [default]; option B<-j>. 664of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
665has been read, resulting in fewer updates while still displaying every
666received line; option B<-j>.
667
599B<False>: specify that smooth scrolling should be used; option B<+j>. 668B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
669force a screen refresh on each new line it received; option B<+j>.
600 670
601=item B<inheritPixmap:> I<boolean> 671=item B<skipScroll:> I<boolean>
602 672
603B<True>: make the background inherit the parent windows' pixmap, giving 673B<True>: (the default) specify that skip scrolling should be used. When
604artificial transparency. B<False>: do not inherit the parent windows' 674receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
605pixmap. 675(around 60 times per second), resulting in far fewer updates. This can
676result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
677option B<-ss>.
606 678
607I<Please note that transparency of any kind if completely unsupported by 679B<False>: specify that everything is to be displayed, even
608the author. Don't bug him with installation questions!> 680if the refresh is too fast for the human eye to read anything (or the
681monitor to display anything); option B<+ss>.
682
683=item B<transparent:> I<boolean>
684
685Turn on/off pseudo-transparency by using the root pixmap as background.
686
687B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
688future versions.
609 689
610=item B<fading:> I<number> 690=item B<fading:> I<number>
611 691
612Fade the text by the given percentage when focus is lost; option B<-fade>. 692Fade the text by the given percentage when focus is lost; option B<-fade>.
613 693
616Fade to this colour, when fading is used (see B<fading:>). The default 696Fade to this colour, when fading is used (see B<fading:>). The default
617colour is black; option B<-fadecolor>. 697colour is black; option B<-fadecolor>.
618 698
619=item B<tintColor:> I<colour> 699=item B<tintColor:> I<colour>
620 700
621Tint the transparent background pixmap with the given colour; option 701Tint the transparent background with the given colour. If the RENDER
622B<-tint>. 702extension is not available only black, red, green, yellow, blue,
703magenta, cyan and white tints can be performed server-side. Note that
704a black tint yields a completely black image while a white tint yields
705the image unchanged; option B<-tint>.
623 706
624=item B<shading:> I<number> 707=item B<shading:> I<number>
625 708
626Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 709Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
627in addition to tinting it; option B<-sh>. 710A value of 100 means no shading; option B<-sh>.
711
712=item B<blurRadius:> I<number>
713
714Apply gaussian blur with the specified radius to the transparent
715background; option B<-blr>.
716
717=item B<iconFile:> I<file>
718
719Set the application icon pixmap; option B<-icon>.
628 720
629=item B<scrollColor:> I<colour> 721=item B<scrollColor:> I<colour>
630 722
631Use the specified colour for the scrollbar [default #B2B2B2]. 723Use the specified colour for the scrollbar [default #B2B2B2].
632 724
638=item B<borderColor:> I<colour> 730=item B<borderColor:> I<colour>
639 731
640The colour of the border around the text area and between the scrollbar 732The colour of the border around the text area and between the scrollbar
641and the text. 733and the text.
642 734
643=item B<backgroundPixmap:> I<file[;geom]> 735=item B<backgroundPixmap:> I<file[;oplist]>
644 736
645Use the specified XPM file (note the `.xpm' extension is optional) for 737Use the specified image file for the background and also
646the background and also optionally specify its scaling with a geometry 738optionally specify a colon separated list of operations to modify it.
647string B<WxH+X+Y>, in which B<"W" / "H"> specify the 739Supported operations are:
648horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 740
649centre (percent). A scale of 0 displays the image with tiling. A scale 741=over 4
650of 1 displays the image without any scaling. A scale of 2 to 9 742
651specifies an integer number of images in that direction. No image will 743=item B<WxH+X+Y>
652be magnified beyond 10 times its original size. The maximum permitted 744
653scale is 1000. [default 0x0+50+50] 745sets scale and position. B<"W" / "H"> specify the horizontal/vertical
746scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
747scale of 0 disables scaling.
748
749=item B<op=tile>
750
751enables tiling
752
753=item B<op=keep-aspect>
754
755maintain the image aspect ratio when scaling
756
757=item B<op=root-align>
758
759use the position of the terminal window relative to the root window as
760the image offset, simulating a root window background
761
762=back
763
764The default scale and position setting is C<100x100+50+50>.
765Alternatively, a predefined set of templates can be used to achieve
766the most common setups:
767
768=over 4
769
770=item B<style=tiled>
771
772the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
773
774=item B<style=aspect-stretched>
775
776the image is scaled to fill the whole window maintaining the aspect
777ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
778
779=item B<style=stretched>
780
781the image is scaled to fill the whole window. Equivalent to 100x100
782
783=item B<style=centered>
784
785the image is centered with no scaling. Equivalent to 0x0+50+50
786
787=item B<style=root-tiled>
788
789the image is tiled with no scaling and using 'root' positioning.
790Equivalent to 0x0:op=tile:op=root-align
791
792=back
793
794If multiple templates are specified the last one wins. Note that a
795template overrides all the scale, position and operations settings.
796
797If used in conjunction with B<-tr> option, the specified pixmap will be
798blended over the transparent background using alpha-blending.
654 799
655=item B<path:> I<path> 800=item B<path:> I<path>
656 801
657Specify the colon-delimited search path for finding XPM files. 802Specify the colon-delimited search path for finding background image files.
658 803
659=item B<font:> I<fontlist> 804=item B<font:> I<fontlist>
660 805
661Select the fonts to be used. This is a comma separated list of font names 806Select 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 807that 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 830it is named first) and thus defines the character cell grid to be 9 pixels
686wide and 15 pixels high. 831wide and 15 pixels high.
687 832
688The second font is just used to add additional unicode characters not in 833The second font is just used to add additional unicode characters not in
689the base font, likewise the third, which is unfortunately non-bold, but 834the 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 835the bold version of the font does contain fewer characters, so this is a
691useful supplement. 836useful supplement.
692 837
693The third font is an Xft font with aliasing turned off, and the characters 838The 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 839are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
695contains other characters, but we are not interested in them. 840contains other characters, but we are not interested in them.
719text font will being used for the given style. 864text font will being used for the given style.
720 865
721=item B<intensityStyles:> I<boolean> 866=item B<intensityStyles:> I<boolean>
722 867
723When font styles are not enabled, or this option is enabled (B<True>, 868When font styles are not enabled, or this option is enabled (B<True>,
724option B<-is>, the default), bold and italic font styles imply high 869option B<-is>, the default), bold/blink font styles imply high
725intensity foreground/background colours. Disabling this option (B<False>, 870intensity foreground/background colours. Disabling this option (B<False>,
726option B<+is>) disables this behaviour, the high intensity colours are not 871option B<+is>) disables this behaviour, the high intensity colours are not
727reachable. 872reachable.
728 873
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> 874=item B<title:> I<string>
742 875
743Set window title string, the default title is the command-line 876Set window title string, the default title is the command-line
744specified after the B<-e> option, if any, otherwise the application 877specified after the B<-e> option, if any, otherwise the application
745name; option B<-title>. 878name; option B<-title>.
758=item B<urgentOnBell:> I<boolean> 891=item B<urgentOnBell:> I<boolean>
759 892
760B<True>: set the urgency hint for the wm on receipt of a bell character. 893B<True>: set the urgency hint for the wm on receipt of a bell character.
761B<False>: do not set the urgency hint [default]. 894B<False>: do not set the urgency hint [default].
762 895
896@@RXVT_NAME@@ resets the urgency hint on every focus change.
897
763=item B<visualBell:> I<boolean> 898=item B<visualBell:> I<boolean>
764 899
765B<True>: use visual bell on receipt of a bell character; option B<-vb>. 900B<True>: use visual bell on receipt of a bell character; option B<-vb>.
766B<False>: no visual bell [default]; option B<+vb>. 901B<False>: no visual bell [default]; option B<+vb>.
767 902
790 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 925 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
791 926
792This creates a new file in your home directory with the screen contents 927This creates a new file in your home directory with the screen contents
793every time you hit C<Print>. 928every time you hit C<Print>.
794 929
930=item B<scrollstyle:> I<mode>
931
932Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
933the author's favourite.
934
935=item B<thickness:> I<number>
936
937Set the scrollbar width in pixels.
938
795=item B<scrollBar:> I<boolean> 939=item B<scrollBar:> I<boolean>
796 940
797B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 941B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
798disable the scrollbar; option B<+sb>. 942disable the scrollbar; option B<+sb>.
799 943
818B<False>: do not scroll to bottom when tty receives output; option 962B<False>: do not scroll to bottom when tty receives output; option
819B<+si>. 963B<+si>.
820 964
821=item B<scrollWithBuffer:> I<boolean> 965=item B<scrollWithBuffer:> I<boolean>
822 966
823B<True>: scroll with scrollback buffer when tty receives new lines (and 967B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
824B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 968try to show the same lines) and B<scrollTtyOutput> is False; option
825with scrollback buffer when tty receives new lines; option B<+sw>. 969B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
970new lines; option B<+sw>.
826 971
827=item B<scrollTtyKeypress:> I<boolean> 972=item B<scrollTtyKeypress:> I<boolean>
828 973
829B<True>: scroll to bottom when a non-special key is pressed. Special keys 974B<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 975are those which are intercepted by rxvt-unicode for special handling and
861=item B<termName:> I<termname> 1006=item B<termName:> I<termname>
862 1007
863Specifies the terminal type name to be set in the B<TERM> environment 1008Specifies the terminal type name to be set in the B<TERM> environment
864variable; option B<-tn>. 1009variable; option B<-tn>.
865 1010
866=item B<linespace:> I<number> 1011=item B<lineSpace:> I<number>
867 1012
868Specifies number of lines (pixel height) to insert between each row of 1013Specifies number of lines (pixel height) to insert between each row of
869the display [default 0]; option B<-lsp>. 1014the display [default 0]; option B<-lsp>.
870 1015
871=item B<meta8:> I<boolean> 1016=item B<meta8:> I<boolean>
885 1030
886=item B<cursorBlink:> I<boolean> 1031=item B<cursorBlink:> I<boolean>
887 1032
888B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1033B<True>: blink the cursor. B<False>: do not blink the cursor [default];
889option B<-bc>. 1034option B<-bc>.
1035
1036=item B<cursorUnderline:> I<boolean>
1037
1038B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1039option B<-uc>.
890 1040
891=item B<pointerBlank:> I<boolean> 1041=item B<pointerBlank:> I<boolean>
892 1042
893B<True>: blank the pointer when a key is pressed or after a set number 1043B<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 1044of seconds of inactivity. B<False>: the pointer is always visible
908large number (e.g. C<987654321>) to effectively disable the timeout. 1058large number (e.g. C<987654321>) to effectively disable the timeout.
909 1059
910=item B<backspacekey:> I<string> 1060=item B<backspacekey:> I<string>
911 1061
912The string to send when the backspace key is pressed. If set to B<DEC> 1062The 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> 1063or 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 1064(code 8) - which can be reversed with the appropriate DEC private mode
915escape sequence. 1065escape sequence.
916 1066
917=item B<deletekey:> I<string> 1067=item B<deletekey:> I<string>
918 1068
931will be created). In this mode, characters outside ISO-8859-1 can be used. 1081will be created). In this mode, characters outside ISO-8859-1 can be used.
932 1082
933When the selection extension is not used, only ISO-8859-1 characters can 1083When the selection extension is not used, only ISO-8859-1 characters can
934be used. If not specified, the built-in default is used: 1084be used. If not specified, the built-in default is used:
935 1085
936B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1086B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
937 1087
938=item B<preeditType:> I<style> 1088=item B<preeditType:> I<style>
939 1089
940B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1090B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
941 1091
997 1147
998=item B<secondaryScroll:> I<boolean> 1148=item B<secondaryScroll:> I<boolean>
999 1149
1000Turn on/off secondary screen scroll (default enabled). If this 1150Turn on/off secondary screen scroll (default enabled). If this
1001option is enabled, scrolls on the secondary screen will change the 1151option is enabled, scrolls on the secondary screen will change the
1002scrollback buffer and switching to/from the secondary screen will 1152scrollback buffer and, when secondaryScreen is off, switching
1003instead scroll the screen up. 1153to/from the secondary screen will instead scroll the screen up.
1004 1154
1005=item B<hold>: I<boolean> 1155=item B<hold>: I<boolean>
1006 1156
1007Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1157Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1008will not immediately destroy its window when the program executed within 1158will 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 1159it exits. Instead, it will wait till it is being killed or closed by the
1010user. 1160user.
1161
1162=item B<chdir>: I<path>
1163
1164Sets the working directory for the shell (or the command specified via
1165B<-e>). The I<path> must be an absolute path and it must exist for
1166@@RXVT_NAME@@ to start. If it isn't specified then the current working
1167directory will be used; option B<-cd>.
1011 1168
1012=item B<keysym.>I<sym>: I<string> 1169=item B<keysym.>I<sym>: I<string>
1013 1170
1014Compile I<frills>: Associate I<string> with keysym I<sym>. The 1171Compile I<frills>: Associate I<string> with keysym I<sym>. The
1015intervening resource name B<keysym.> cannot be omitted. 1172intervening resource name B<keysym.> cannot be omitted.
1029searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1186searching 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 1187omitting 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 1188keysym 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. 1189performed in an exact manner; however, the closest match is assured.
1033 1190
1034I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1191I<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, 1192number), 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 1193
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> 1194You can define a range of keysyms in one shot by
1195loading the C<keysym-list> perl extension and providing a I<string>
1047with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1196with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1048should be a character not used by the strings. 1197should be a character not used by the strings.
1049 1198
1050Its usage can be demonstrated by an example: 1199Its usage can be demonstrated by an example:
1051 1200
1052 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1201 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1053 1202
1054The above line is equivalent to the following three lines: 1203The above line is equivalent to the following three lines:
1055 1204
1056 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1205 URxvt.keysym.Meta-Control-0x61: \033<a>
1057 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1206 URxvt.keysym.Meta-Control-0x62: \033<b>
1058 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1207 URxvt.keysym.Meta-Control-0x63: \033<c>
1059 1208
1060If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1209If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1061is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1210is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1062example the following means "change the current locale to C<zh_CN.GBK> 1211example the following means "change the current locale to C<zh_CN.GBK>
1063when Control-Meta-c is being pressed": 1212when Control-Meta-c is being pressed":
1064 1213
1065 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1214 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1066 1215
1067If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1216If 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) 1217is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1069manpage. For example, the F<selection> extension (activated via 1218manpage. For example, the F<selection> extension (activated via
1070C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1219C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1071 1220
1072 URxvt.keysym.M-C-c: perl:selection:rot13 1221 URxvt.keysym.M-C-c: perl:selection:rot13
1073 1222
1074Due the the large number of modifier combinations, a defined key mapping 1223Due 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 1224will 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 1225no other key mappings with those and more bits are being defined. That
1077means that defining a key map for C<a> will automatically provide 1226means 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 1227definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1079mappings themselves. 1228mappings themselves.
1080 1229
1131all instances, while B<perl-ext> is used for specific instances. 1280all instances, while B<perl-ext> is used for specific instances.
1132 1281
1133=item B<perl-eval>: I<string> 1282=item B<perl-eval>: I<string>
1134 1283
1135Perl code to be evaluated when all extensions have been registered. See 1284Perl code to be evaluated when all extensions have been registered. See
1136the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1285the @@RXVT_NAME@@perl(3) manpage.
1137will be ignored when running setuid/setgid.
1138 1286
1139=item B<perl-lib>: I<path> 1287=item B<perl-lib>: I<path>
1140 1288
1141Colon-separated list of additional directories that hold extension 1289Colon-separated list of additional directories that hold extension
1142scripts. When looking for extensions specified by the C<perl> resource, 1290scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1143@@RXVT_NAME@@ will first look in these directories and then in 1291look in these directories, then in $HOME/.urxvt/ext and lastly in
1144F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1292F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1145will be ignored when running setuid/setgid.
1146 1293
1147See the @@RXVT_NAME@@perl(3) manpage. 1294See the @@RXVT_NAME@@perl(3) manpage.
1148 1295
1149=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1296=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1150 1297
1172 1319
1173=item B<override-redirect>: I<boolean> 1320=item B<override-redirect>: I<boolean>
1174 1321
1175Compile I<frills>: Sets override-redirect for the terminal window, making 1322Compile I<frills>: Sets override-redirect for the terminal window, making
1176it almost invisible to window managers; option B<-override-redirect>. 1323it almost invisible to window managers; option B<-override-redirect>.
1324
1325=item B<iso14755:> I<boolean>
1326
1327Turn on/off ISO 14755 (default enabled).
1328
1329=item B<iso14755_52:> I<boolean>
1330
1331Turn on/off ISO 14755 5.2 mode (default enabled).
1177 1332
1178=back 1333=back
1179 1334
1180=head1 THE SCROLLBAR 1335=head1 THE SCROLLBAR
1181 1336
1252 1407
1253=head1 ISO 14755 SUPPORT 1408=head1 ISO 14755 SUPPORT
1254 1409
1255ISO 14755 is a standard for entering and viewing unicode characters 1410ISO 14755 is a standard for entering and viewing unicode characters
1256and character codes using the keyboard. It consists of 4 parts. The 1411and character codes using the keyboard. It consists of 4 parts. The
1257first part is available rxvt-unicode has been compiled with 1412first part is available if rxvt-unicode has been compiled with
1258C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1413C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1259with C<--enable-iso14755>. 1414with C<--enable-iso14755>.
1260 1415
1261=over 4 1416=over 4
1262 1417
1320B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1475B<@@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 1476it 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 1477allow 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. 1478on some systems or setgid to root or to some other group on others.
1324 1479
1325=head1 COLORS AND GRAPHICS 1480=head1 COLOURS AND GRAPHICS
1326 1481
1327In addition to the default foreground and background colours, 1482In addition to the default foreground and background colours,
1328B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1483B<@@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 1484high-intensity (potentially bold/blink) versions of the same, and 72 (or
1330colours with their names. 1485240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1486cube plus a 8 (24) colour greyscale ramp.
1487
1488Here is a list of the ANSI colours with their names.
1331 1489
1332=begin table 1490=begin table
1333 1491
1334 B<color0> (black) = Black 1492 B<color0> (black) = Black
1335 B<color1> (red) = Red3 1493 B<color1> (red) = Red3
1355It is also possible to specify the colour values of B<foreground>, 1513It is also possible to specify the colour values of B<foreground>,
1356B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1514B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1357a number 0-15, as a convenient shorthand to reference the colour name of 1515a number 0-15, as a convenient shorthand to reference the colour name of
1358color0-color15. 1516color0-color15.
1359 1517
1360In addition to the colours defined above, @@RXVT_NAME@@ offers an 1518The following text gives values for the standard 88 colour mode (and
1361additional 72 colours. The first 64 of those (with indices 16 to 79) 1519values 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 1520
1521The RGB cube uses indices 16..79 (16..231) using the following formulas:
1522
1523 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1524 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1525
1526The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1527steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1528the RGB cube.
1529
1365Together, all those colours implement the 88 colour xterm colours. Only 1530Together, all those colours implement the 88 (256) colour xterm
1366the first 16 can be changed using resources currently, the rest can only 1531colours. Only the first 16 can be changed using resources currently, the
1367be changed via command sequences ("escape codes"). 1532rest can only be changed via command sequences ("escape codes").
1533
1534Applications are advised to use terminfo or command sequences to discover
1535number and RGB values of all colours (yes, you can query this...).
1368 1536
1369Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1537Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1370always swapping the foreground/background colours. This is in contrast to 1538always swapping the foreground/background colours. This is in contrast to
1371I<xterm>(1) where the colours are only swapped if they have not otherwise 1539I<xterm>(1) where the colours are only swapped if they have not otherwise
1372been specified. For example, 1540been specified. For example,
1373 1541
1374=over 4
1375
1376=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1542 @@RXVT_NAME@@ -fg Black -bg White -rv
1377 1543
1378would yield White on Black, while on I<xterm>(1) it would yield Black 1544would yield White on Black, while on I<xterm>(1) it would yield Black on
1379on White. 1545White.
1380
1381=back
1382 1546
1383=head2 ALPHA CHANNEL SUPPORT 1547=head2 ALPHA CHANNEL SUPPORT
1384 1548
1385If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1549If 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> 1550their act together, rxvt-unicode will do its own alpha channel management:
1387(recommended, but B<MUST> have 4 digits/component) colour specifications, 1551
1388in addition to the ones provided by X, where the additional A component 1552You can prefix any colour with an opaqueness percentage enclosed in
1553brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1554(0-100) that specifies the opacity of the colour, where C<0> is completely
1555transparent and C<100> is completely opaque. For example, C<[50]red> is a
1556half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1557is the recommended format to specify transparency values, and works with
1558all ways to specify a colour.
1559
1560For complete control, rxvt-unicode also supports
1561C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1562specifications, where the additional C<aaaa> component specifies opacity
1389specifies opacity (alpha) values. The minimum value of C<0> is completely 1563(alpha) values. The minimum value of C<0000> is completely transparent,
1390transparent). You can also prefix any color with C<[percent]>, where 1564while C<ffff> is completely opaque). The two example colours from
1391C<percent> is a decimal percentage (0-100) that specifies the opacity of 1565earlier 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 1566C<rgba:0000/ff00/0000/f332>.
1393opaque.
1394 1567
1395You probably need to specify B<"-depth 32">, too, and have the luck that 1568You 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 1569alpha channels, and have the luck that your X-server uses ARGB pixel
1397ARGB visuals out of the box, and rxvt-unicode just fudges around. 1570layout, as X is far from just supporting ARGB visuals out of the box, and
1571rxvt-unicode just fudges around.
1398 1572
1399For example, the following selects an almost completely transparent red 1573For example, the following selects an almost completely transparent black
1400background, and an almost opaque pink foreground: 1574background, and an almost opaque pink foreground:
1401 1575
1402 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1576 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1403 1577
1404I<Please note that transparency of any kind if completely unsupported by 1578When not using a background image, then the interpretation of the
1405the author. Don't bug him with installation questions!> 1579alpha channel is up to your compositing manager (most interpret it as
1580transparency of course).
1581
1582When using a background pixmap or pseudo-transparency, then the background
1583colour will always behave as if it were completely transparent (so the
1584background image shows instead), regardless of how it was specified, while
1585other colours will either be transparent as specified (the background
1586image will show through) on servers supporting the RENDER extension, or
1587fully opaque on servers not supporting the RENDER EXTENSION.
1588
1589Please note that due to bugs in Xft, specifying alpha values might result
1590in garbage being displayed when the X-server does not support the RENDER
1591extension.
1406 1592
1407=head1 ENVIRONMENT 1593=head1 ENVIRONMENT
1408 1594
1409B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1595B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1410 1596
1416resources or on the command line. 1602resources or on the command line.
1417 1603
1418=item B<COLORTERM> 1604=item B<COLORTERM>
1419 1605
1420Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1606Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1421compiled with XPM support, and optionally with the added extension 1607compiled with background image support, and optionally with the added
1422C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1608extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1609screen.
1423 1610
1424=item B<COLORFGBG> 1611=item B<COLORFGBG>
1425 1612
1426Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1613Set 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 1614the colour code used as default foreground/text colour (or the string
1428C<default> to indicate that the default-colour escape sequence is to be 1615C<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 1616used), 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@@ 1617string 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 1618was compiled with background image support. Libraries like C<ncurses>
1432(and do) use this information to optimize screen output. 1619and C<slang> can (and do) use this information to optimize screen output.
1433 1620
1434=item B<WINDOWID> 1621=item B<WINDOWID>
1435 1622
1436Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1623Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1437window, which usually has subwindows for the scrollbar, the terminal 1624window, which usually has subwindows for the scrollbar, the terminal
1443C<--with-terminfo=PATH>. 1630C<--with-terminfo=PATH>.
1444 1631
1445=item B<DISPLAY> 1632=item B<DISPLAY>
1446 1633
1447Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1634Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1448display in its child processes. 1635display in its child processes if C<-display> isn't used to override. It
1636defaults to C<:0> if it doesn't exist.
1449 1637
1450=item B<SHELL> 1638=item B<SHELL>
1451 1639
1452The shell to be used for command execution, defaults to C</bin/sh>. 1640The shell to be used for command execution, defaults to C</bin/sh>.
1453 1641
1454=item B<RXVT_SOCKET> 1642=item B<RXVT_SOCKET>
1455 1643
1456The unix domain socket path used by @@RXVT_NAME@@c(1) and 1644The unix domain socket path used by @@RXVT_NAME@@c(1) and
1457@@RXVT_NAME@@d(1). 1645@@RXVT_NAME@@d(1).
1458 1646
1459Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1647Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1460 1648
1461=item B<HOME> 1649=item B<HOME>
1462 1650
1463Used to locate the default directory for the unix domain socket for 1651Used to locate the default directory for the unix domain socket for
1464daemon communications and to locate various resource files (such as 1652daemon communications and to locate various resource files (such as
1465C<.Xdefaults>) 1653C<.Xdefaults>)
1466 1654
1467=item B<XAPPLRESDIR> 1655=item B<XAPPLRESDIR>
1468 1656
1469Directory where various X resource files are being located. 1657Directory where application-specific X resource files are located.
1470 1658
1471=item B<XENVIRONMENT> 1659=item B<XENVIRONMENT>
1472 1660
1473If set and accessible, gives the name of a X resource file to be loaded by 1661If set and accessible, gives the name of a X resource file to be loaded by
1474@@RXVT_NAME@@. 1662@@RXVT_NAME@@.
1479 1667
1480=over 4 1668=over 4
1481 1669
1482=item B</usr/lib/X11/rgb.txt> 1670=item B</usr/lib/X11/rgb.txt>
1483 1671
1484Color names. 1672Colour names.
1485 1673
1486=back 1674=back
1487 1675
1488=head1 SEE ALSO 1676=head1 SEE ALSO
1489 1677
1528Project Coordinator (changes.txt 2.21a to 2.4.5) 1716Project Coordinator (changes.txt 2.21a to 2.4.5)
1529 1717
1530=item Geoff Wing L<< <gcw@pobox.com> >> 1718=item Geoff Wing L<< <gcw@pobox.com> >>
1531 1719
1532Rewrote screen display and text selection routines. 1720Rewrote screen display and text selection routines.
1533 1721
1534Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1722Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1535 1723
1536=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1724=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1537 1725
1538Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1726Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1540 1728
1541Project Coordinator (Changes 1.0 -) 1729Project Coordinator (Changes 1.0 -)
1542 1730
1543=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1731=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1544 1732
1545Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1733pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1546 1734
1547=back 1735=back
1548 1736

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