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Revision 1.130 by sasha, Fri Jun 8 20:04:12 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
144
145=item B<-sh> I<number> 150=item B<-sh> I<number>
146 151
147Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
148background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
149resource I<shading>.
150 154
151=item B<-blt> I<string>
152
153Specify background blending type. If background pixmap is specified
154at the same time as transparency - such pixmap will be blended over
155transparency image, using method specified. Supported values are :
156B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
157B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
158B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
159alpha-blending; resource I<blendType>.
160
161=item B<-blr> I<number> 155=item B<-blr> I<HxV>
162 156
163Apply Gaussian Blur with the specified radius to the transparent 157Apply Gaussian Blur with the specified radii to the transparent
164background image; resource I<blurRadius>. 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>.
165 170
166=item B<-bg> I<colour> 171=item B<-bg> I<colour>
167 172
168Window background colour; resource B<background>. 173Window background colour; resource B<background>.
169 174
170=item B<-fg> I<colour> 175=item B<-fg> I<colour>
171 176
172Window foreground colour; resource B<foreground>. 177Window foreground colour; resource B<foreground>.
173 178
174=item B<-pixmap> I<file[;geom]> 179=item B<-pixmap> I<file[;oplist]>
175 180
176Compile I<afterimage>: Specify image file for the background and also 181Compile I<pixbuf>: Specify image file for the background and also
177optionally specify 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
178add quotes to avoid special shell interpretation of the C<;> in the 183add quotes to avoid special shell interpretation of the C<;> in the
179command-line; for more details see resource B<backgroundPixmap>. 184command-line; for more details see resource B<backgroundPixmap>.
180 185
181=item B<-cr> I<colour> 186=item B<-cr> I<colour>
182 187
229italic> >> characters are to be printed. See resource B<boldItalicFont> 234italic> >> characters are to be printed. See resource B<boldItalicFont>
230for details. 235for details.
231 236
232=item B<-is>|B<+is> 237=item B<-is>|B<+is>
233 238
234Compile I<font-styles>: Bold/Italic font styles imply high intensity 239Compile I<font-styles>: Bold/Blink font styles imply high intensity
235foreground/background (default). See resource B<intensityStyles> for 240foreground/background (default). See resource B<intensityStyles> for
236details. 241details.
237 242
238=item B<-name> I<name> 243=item B<-name> I<name>
239 244
257 262
258=item B<-sb>|B<+sb> 263=item B<-sb>|B<+sb>
259 264
260Turn on/off scrollbar; resource B<scrollBar>. 265Turn on/off scrollbar; resource B<scrollBar>.
261 266
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
262=item B<-si>|B<+si> 276=item B<-si>|B<+si>
263 277
264Turn on/off scroll-to-bottom on TTY output inhibit; resource 278Turn on/off scroll-to-bottom on TTY output inhibit; resource
265B<scrollTtyOutput> has opposite effect. 279B<scrollTtyOutput> has opposite effect.
266 280
272=item B<-sw>|B<+sw> 286=item B<-sw>|B<+sw>
273 287
274Turn on/off scrolling with the scrollback buffer as new lines appear. 288Turn on/off scrolling with the scrollback buffer as new lines appear.
275This only takes effect if B<-si> is also given; resource 289This only takes effect if B<-si> is also given; resource
276B<scrollWithBuffer>. 290B<scrollWithBuffer>.
277
278=item B<-sr>|B<+sr>
279
280Put scrollbar on right/left; resource B<scrollBar_right>.
281
282=item B<-st>|B<+st>
283
284Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
285resource B<scrollBar_floating>.
286 291
287=item B<-ptab>|B<+ptab> 292=item B<-ptab>|B<+ptab>
288 293
289If enabled (default), "Horizontal Tab" characters are being stored as 294If enabled (default), "Horizontal Tab" characters are being stored as
290actual wide characters in the screen buffer, which makes it possible to 295actual wide characters in the screen buffer, which makes it possible to
294 299
295=item B<-bc>|B<+bc> 300=item B<-bc>|B<+bc>
296 301
297Blink the cursor; resource B<cursorBlink>. 302Blink the cursor; resource B<cursorBlink>.
298 303
304=item B<-uc>|B<+uc>
305
306Make the cursor underlined; resource B<cursorUnderline>.
307
299=item B<-iconic> 308=item B<-iconic>
300 309
301Start iconified, if the window manager supports that option. 310Start iconified, if the window manager supports that option.
302Alternative form is B<-ic>. 311Alternative form is B<-ic>.
303 312
319 328
320=item B<-bl> 329=item B<-bl>
321 330
322Compile 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.
323if 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
324decorations; resource B<borderLess>. 333decorations; resource B<borderLess>. If the window manager does not
334support MWM hints (e.g. kwin), enables override-redirect mode.
325 335
326=item B<-override-redirect> 336=item B<-override-redirect>
327 337
328Compile I<frills>: Sets override-redirect on the window; resource 338Compile I<frills>: Sets override-redirect on the window; resource
329B<override-redirect>. 339B<override-redirect>.
337 347
338=item B<-lsp> I<number> 348=item B<-lsp> I<number>
339 349
340Compile I<frills>: Lines (pixel height) to insert between each row of 350Compile I<frills>: Lines (pixel height) to insert between each row of
341the display. Useful to work around font rendering problems; resource 351the display. Useful to work around font rendering problems; resource
342B<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>.
343 360
344=item B<-tn> I<termname> 361=item B<-tn> I<termname>
345 362
346This 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
347B<TERM> environment variable. This terminal type must exist in the 364B<TERM> environment variable. This terminal type must exist in the
402 419
403=item B<-tcw> 420=item B<-tcw>
404 421
405Change the meaning of triple-click selection with the left mouse 422Change the meaning of triple-click selection with the left mouse
406button. Only effective when the original (non-perl) selection code is 423button. Only effective when the original (non-perl) selection code is
407in-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
408end of the logical line only. resource B<tripleclickwords>. 425the end of the logical line only. resource B<tripleclickwords>.
409 426
410=item B<-insecure> 427=item B<-insecure>
411 428
412Enable "insecure" mode, which currently enables most of the escape 429Enable "insecure" mode, which currently enables most of the escape
413sequences that echo strings. See the resource B<insecure> for more 430sequences that echo strings. See the resource B<insecure> for more
433 450
434Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 451Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
435will not immediately destroy its window when the program executed within 452will not immediately destroy its window when the program executed within
436it 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
437user; 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.
438 474
439=item B<-keysym.>I<sym> I<string> 475=item B<-keysym.>I<sym> I<string>
440 476
441Remap a key symbol. See resource B<keysym>. 477Remap a key symbol. See resource B<keysym>.
442 478
477If 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
478entries 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
479yourself if you want that. 515yourself if you want that.
480 516
481As an extremely special case, specifying C<-1> will completely suppress 517As an extremely special case, specifying C<-1> will completely suppress
482pty/tty operations. 518pty/tty operations, which is probably only useful in conjunction with some
519perl extension that manages the terminal.
483 520
484Here 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
485longer example is in F<doc/pty-fd>): 522longer example is in F<doc/pty-fd>):
486 523
487 use IO::Pty; 524 use IO::Pty;
501Comma-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
502this terminal instance. See resource B<perl-ext> for details. 539this terminal instance. See resource B<perl-ext> for details.
503 540
504=back 541=back
505 542
506=head1 RESOURCES (available also as long-options) 543=head1 RESOURCES
507 544
508Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 545Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
509options) compiled into your version. 546options) compiled into your version. All resources are also available as
547long-options.
510 548
511You 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
512distribution do also load settings from the B<~/.Xresources> file when X 550distribution do also load settings from the B<~/.Xresources> file when X
513starts. @@RXVT_NAME@@ will consult the following files/resources in order, 551starts. @@RXVT_NAME@@ will consult the following files/resources in order,
514with later settings overwriting earlier ones: 552with later settings overwriting earlier ones:
515 553
516 1. system-wide app-defaults file, either locale-dependent OR global
517 2. app-defaults file in $XAPPLRESDIR 554 1. app-defaults file in $XAPPLRESDIR
555 2. $HOME/.Xdefaults
518 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 556 3. RESOURCE_MANAGER property on root-window of screen 0
519 4. SCREEN_RESOURCES for the current screen 557 4. SCREEN_RESOURCES property on root-window of the current screen
520 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 558 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
559 6. resources specified via -xrm on the commandline
521 560
522Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 561Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
523names: 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
524common 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
525configured, while the class name B<URxvt> allows resources unique to 564configured, while the class name B<URxvt> allows resources unique to
535=item B<depth:> I<bitdepth> 574=item B<depth:> I<bitdepth>
536 575
537Compile 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;
538option B<-depth>. 577option B<-depth>.
539 578
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
540=item B<geometry:> I<geom> 586=item B<geometry:> I<geom>
541 587
542Create the window with the specified X window geometry [default 80x24]; 588Create the window with the specified X window geometry [default 80x24];
543option B<-geometry>. 589option B<-geometry>.
544 590
557Use 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
558corresponds to low-intensity (normal) colours and 8-15 corresponds to 604corresponds to low-intensity (normal) colours and 8-15 corresponds to
559high-intensity (bold = bright foreground, blink = bright background) 605high-intensity (bold = bright foreground, blink = bright background)
560colours. 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,
5613=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
562names used are listed in the B<COLORS AND GRAPHICS> section. 608names used are listed in the B<COLOURS AND GRAPHICS> section.
563 609
564Colours 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
565changed using an escape command (see @@RXVT_NAME@@(7)). 611changed using an escape command (see @@RXVT_NAME@@(7)).
566 612
567Colours 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
578=item B<colorUL:> I<colour> 624=item B<colorUL:> I<colour>
579 625
580Use the specified colour to display underlined characters when the 626Use the specified colour to display underlined characters when the
581foreground colour is the default. 627foreground colour is the default.
582 628
583=item B<colorRV:> I<colour>
584
585Use the specified colour as the background for reverse video characters
586when OPTION_HC is disabled (--disable-frills).
587
588=item B<underlineColor:> I<colour> 629=item B<underlineColor:> I<colour>
589 630
590If set, use the specified colour as the colour for the underline 631If set, use the specified colour as the colour for the underline
591itself. 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.
592 643
593=item B<cursorColor:> I<colour> 644=item B<cursorColor:> I<colour>
594 645
595Use 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
596foreground colour; option B<-cr>. 647foreground colour; option B<-cr>.
603 654
604=item B<reverseVideo:> I<boolean> 655=item B<reverseVideo:> I<boolean>
605 656
606B<True>: simulate reverse video by foreground and background colours; 657B<True>: simulate reverse video by foreground and background colours;
607option B<-rv>. B<False>: regular screen colours [default]; option 658option B<-rv>. B<False>: regular screen colours [default]; option
608B<+rv>. See note in B<COLORS AND GRAPHICS> section. 659B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
609 660
610=item B<jumpScroll:> I<boolean> 661=item B<jumpScroll:> I<boolean>
611 662
612B<True>: specify that jump scrolling should be used. When scrolling 663B<True>: specify that jump scrolling should be used. When receiving lots
613quickly, 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
614B<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>.
615 670
616=item B<inheritPixmap:> I<boolean> 671=item B<skipScroll:> I<boolean>
617 672
618B<True>: make the background inherit the parent windows' pixmap, giving 673B<True>: (the default) specify that skip scrolling should be used. When
619artificial transparency. B<False>: do not inherit the parent windows' 674receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
620pixmap. 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>.
621 678
622I<Please note that transparency of any kind if completely unsupported by 679B<False>: specify that everything is to be displayed, even
623the 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.
624 689
625=item B<fading:> I<number> 690=item B<fading:> I<number>
626 691
627Fade 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>.
628 693
631Fade 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
632colour is black; option B<-fadecolor>. 697colour is black; option B<-fadecolor>.
633 698
634=item B<tintColor:> I<colour> 699=item B<tintColor:> I<colour>
635 700
636Tint the transparent background pixmap with the given colour; option 701Tint the transparent background with the given colour. If the RENDER
637B<-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>.
638 706
639=item B<shading:> I<number> 707=item B<shading:> I<number>
640 708
641Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 709Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
642in addition to tinting it; option B<-sh>. 710A value of 100 means no shading; option B<-sh>.
643
644=item B<blendType:> I<string>
645
646Specify background blending type; option B<-blt>.
647 711
648=item B<blurRadius:> I<number> 712=item B<blurRadius:> I<number>
649 713
650Apply Gaussian Blurr with the specified radius to the transparent 714Apply gaussian blur with the specified radius to the transparent
651background image; option B<-blr>. 715background; option B<-blr>.
716
717=item B<iconFile:> I<file>
718
719Set the application icon pixmap; option B<-icon>.
652 720
653=item B<scrollColor:> I<colour> 721=item B<scrollColor:> I<colour>
654 722
655Use the specified colour for the scrollbar [default #B2B2B2]. 723Use the specified colour for the scrollbar [default #B2B2B2].
656 724
662=item B<borderColor:> I<colour> 730=item B<borderColor:> I<colour>
663 731
664The 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
665and the text. 733and the text.
666 734
667=item B<backgroundPixmap:> I<file[;geom]> 735=item B<backgroundPixmap:> I<file[;oplist]>
668 736
669Use the specified image file for the background and also optionally 737Use the specified image file for the background and also
670specify its scaling with a geometry string B<WxH+X+Y>, 738optionally specify a colon separated list of operations to modify it.
671in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 739Supported operations are:
740
741=over 4
742
743=item B<WxH+X+Y>
744
745sets scale and position. B<"W" / "H"> specify the horizontal/vertical
672and B<"X" / "Y"> locate the image centre (percent). 746scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
673A scale of 0 displays the image with tiling. A scale of 1 displays the 747scale of 0 disables scaling.
674image without any scaling. A scale of 2 to 9 specifies an integer 748
675number of images in that direction. No image will be magnified beyond 749=item B<op=tile>
67610 times its original size. The maximum permitted scale is 1000. 750
677Special string of B<"auto"> used as a geometry will cause image to be 751enables tiling
678automatically scaled to match window size. 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
679If used in conjunction with B<-tr> option - specified pixmap will be 797If used in conjunction with B<-tr> option, the specified pixmap will be
680blended over transparency image using either alpha-blending, or any 798blended over the transparent background using alpha-blending.
681other blending type, specified with B<-blt "type"> option.
682[default 0x0+50+50]
683 799
684=item B<path:> I<path> 800=item B<path:> I<path>
685 801
686Specify the colon-delimited search path for finding XPM files. 802Specify the colon-delimited search path for finding background image files.
687 803
688=item B<font:> I<fontlist> 804=item B<font:> I<fontlist>
689 805
690Select 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
691that 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
714it 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
715wide and 15 pixels high. 831wide and 15 pixels high.
716 832
717The 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
718the base font, likewise the third, which is unfortunately non-bold, but 834the base font, likewise the third, which is unfortunately non-bold, but
719the 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
720useful supplement. 836useful supplement.
721 837
722The 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
723are 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
724contains other characters, but we are not interested in them. 840contains other characters, but we are not interested in them.
748text font will being used for the given style. 864text font will being used for the given style.
749 865
750=item B<intensityStyles:> I<boolean> 866=item B<intensityStyles:> I<boolean>
751 867
752When 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>,
753option B<-is>, the default), bold and italic font styles imply high 869option B<-is>, the default), bold/blink font styles imply high
754intensity foreground/background colours. Disabling this option (B<False>, 870intensity foreground/background colours. Disabling this option (B<False>,
755option B<+is>) disables this behaviour, the high intensity colours are not 871option B<+is>) disables this behaviour, the high intensity colours are not
756reachable. 872reachable.
757 873
758=item B<selectstyle:> I<mode>
759
760Set mouse selection style to B<old> which is 2.20, B<oldword> which
761is xterm style with 2.20 old word selection, or anything else which
762gives xterm style selection. Only effective when the original (non-perl)
763selection code is in use.
764
765=item B<scrollstyle:> I<mode>
766
767Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
768the author's favourite.
769
770=item B<title:> I<string> 874=item B<title:> I<string>
771 875
772Set window title string, the default title is the command-line 876Set window title string, the default title is the command-line
773specified after the B<-e> option, if any, otherwise the application 877specified after the B<-e> option, if any, otherwise the application
774name; option B<-title>. 878name; option B<-title>.
787=item B<urgentOnBell:> I<boolean> 891=item B<urgentOnBell:> I<boolean>
788 892
789B<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.
790B<False>: do not set the urgency hint [default]. 894B<False>: do not set the urgency hint [default].
791 895
896@@RXVT_NAME@@ resets the urgency hint on every focus change.
897
792=item B<visualBell:> I<boolean> 898=item B<visualBell:> I<boolean>
793 899
794B<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>.
795B<False>: no visual bell [default]; option B<+vb>. 901B<False>: no visual bell [default]; option B<+vb>.
796 902
819 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 925 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
820 926
821This 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
822every time you hit C<Print>. 928every time you hit C<Print>.
823 929
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
824=item B<scrollBar:> I<boolean> 939=item B<scrollBar:> I<boolean>
825 940
826B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 941B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
827disable the scrollbar; option B<+sb>. 942disable the scrollbar; option B<+sb>.
828 943
847B<False>: do not scroll to bottom when tty receives output; option 962B<False>: do not scroll to bottom when tty receives output; option
848B<+si>. 963B<+si>.
849 964
850=item B<scrollWithBuffer:> I<boolean> 965=item B<scrollWithBuffer:> I<boolean>
851 966
852B<True>: scroll with scrollback buffer when tty receives new lines (and 967B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
853B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 968try to show the same lines) and B<scrollTtyOutput> is False; option
854with 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>.
855 971
856=item B<scrollTtyKeypress:> I<boolean> 972=item B<scrollTtyKeypress:> I<boolean>
857 973
858B<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
859are those which are intercepted by rxvt-unicode for special handling and 975are those which are intercepted by rxvt-unicode for special handling and
890=item B<termName:> I<termname> 1006=item B<termName:> I<termname>
891 1007
892Specifies 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
893variable; option B<-tn>. 1009variable; option B<-tn>.
894 1010
895=item B<linespace:> I<number> 1011=item B<lineSpace:> I<number>
896 1012
897Specifies number of lines (pixel height) to insert between each row of 1013Specifies number of lines (pixel height) to insert between each row of
898the display [default 0]; option B<-lsp>. 1014the display [default 0]; option B<-lsp>.
899 1015
900=item B<meta8:> I<boolean> 1016=item B<meta8:> I<boolean>
914 1030
915=item B<cursorBlink:> I<boolean> 1031=item B<cursorBlink:> I<boolean>
916 1032
917B<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];
918option 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>.
919 1040
920=item B<pointerBlank:> I<boolean> 1041=item B<pointerBlank:> I<boolean>
921 1042
922B<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
923of seconds of inactivity. B<False>: the pointer is always visible 1044of seconds of inactivity. B<False>: the pointer is always visible
937large number (e.g. C<987654321>) to effectively disable the timeout. 1058large number (e.g. C<987654321>) to effectively disable the timeout.
938 1059
939=item B<backspacekey:> I<string> 1060=item B<backspacekey:> I<string>
940 1061
941The 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>
942or 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>
943(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
944escape sequence. 1065escape sequence.
945 1066
946=item B<deletekey:> I<string> 1067=item B<deletekey:> I<string>
947 1068
960will 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.
961 1082
962When 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
963be used. If not specified, the built-in default is used: 1084be used. If not specified, the built-in default is used:
964 1085
965B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1086B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
966 1087
967=item B<preeditType:> I<style> 1088=item B<preeditType:> I<style>
968 1089
969B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1090B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
970 1091
1026 1147
1027=item B<secondaryScroll:> I<boolean> 1148=item B<secondaryScroll:> I<boolean>
1028 1149
1029Turn on/off secondary screen scroll (default enabled). If this 1150Turn on/off secondary screen scroll (default enabled). If this
1030option is enabled, scrolls on the secondary screen will change the 1151option is enabled, scrolls on the secondary screen will change the
1031scrollback buffer and switching to/from the secondary screen will 1152scrollback buffer and, when secondaryScreen is off, switching
1032instead scroll the screen up. 1153to/from the secondary screen will instead scroll the screen up.
1033 1154
1034=item B<hold>: I<boolean> 1155=item B<hold>: I<boolean>
1035 1156
1036Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1157Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1037will not immediately destroy its window when the program executed within 1158will not immediately destroy its window when the program executed within
1038it 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
1039user. 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>.
1040 1168
1041=item B<keysym.>I<sym>: I<string> 1169=item B<keysym.>I<sym>: I<string>
1042 1170
1043Compile I<frills>: Associate I<string> with keysym I<sym>. The 1171Compile I<frills>: Associate I<string> with keysym I<sym>. The
1044intervening resource name B<keysym.> cannot be omitted. 1172intervening resource name B<keysym.> cannot be omitted.
1058searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1186searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1059omitting 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
1060keysym 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
1061performed in an exact manner; however, the closest match is assured. 1189performed in an exact manner; however, the closest match is assured.
1062 1190
1063I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1191I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1064C<\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.
1065C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1066C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1067can start or end with whitespace. B<This feature is deprecated and will
1068be removed>.
1069 1193
1070Please note that you need to double the C<\> in resource files, as
1071Xlib itself does its own de-escaping (you can use C<\033> instead of
1072C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1073processing).
1074
1075You 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>
1076with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1196with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1077should be a character not used by the strings. 1197should be a character not used by the strings.
1078 1198
1079Its usage can be demonstrated by an example: 1199Its usage can be demonstrated by an example:
1080 1200
1081 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1201 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1082 1202
1083The above line is equivalent to the following three lines: 1203The above line is equivalent to the following three lines:
1084 1204
1085 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1205 URxvt.keysym.Meta-Control-0x61: \033<a>
1086 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1206 URxvt.keysym.Meta-Control-0x62: \033<b>
1087 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1207 URxvt.keysym.Meta-Control-0x63: \033<c>
1088 1208
1089If 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>
1090is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1210is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1091example 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>
1092when Control-Meta-c is being pressed": 1212when Control-Meta-c is being pressed":
1093 1213
1094 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
1095 1215
1096If 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>
1097is 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)
1098manpage. For example, the F<selection> extension (activated via 1218manpage. For example, the F<selection> extension (activated via
1099C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1219C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1100 1220
1101 URxvt.keysym.M-C-c: perl:selection:rot13 1221 URxvt.keysym.M-C-c: perl:selection:rot13
1102 1222
1103Due the the large number of modifier combinations, a defined key mapping 1223Due the the large number of modifier combinations, a defined key mapping
1104will 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
1105no 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
1106means that defining a key map for C<a> will automatically provide 1226means that defining a key map for C<a> will automatically provide
1107definitions 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
1108mappings themselves. 1228mappings themselves.
1109 1229
1160all instances, while B<perl-ext> is used for specific instances. 1280all instances, while B<perl-ext> is used for specific instances.
1161 1281
1162=item B<perl-eval>: I<string> 1282=item B<perl-eval>: I<string>
1163 1283
1164Perl code to be evaluated when all extensions have been registered. See 1284Perl code to be evaluated when all extensions have been registered. See
1165the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1285the @@RXVT_NAME@@perl(3) manpage.
1166will be ignored when running setuid/setgid.
1167 1286
1168=item B<perl-lib>: I<path> 1287=item B<perl-lib>: I<path>
1169 1288
1170Colon-separated list of additional directories that hold extension 1289Colon-separated list of additional directories that hold extension
1171scripts. When looking for extensions specified by the C<perl> resource, 1290scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1172@@RXVT_NAME@@ will first look in these directories and then in 1291look in these directories, then in $HOME/.urxvt/ext and lastly in
1173F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1292F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1174will be ignored when running setuid/setgid.
1175 1293
1176See the @@RXVT_NAME@@perl(3) manpage. 1294See the @@RXVT_NAME@@perl(3) manpage.
1177 1295
1178=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1296=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1179 1297
1201 1319
1202=item B<override-redirect>: I<boolean> 1320=item B<override-redirect>: I<boolean>
1203 1321
1204Compile I<frills>: Sets override-redirect for the terminal window, making 1322Compile I<frills>: Sets override-redirect for the terminal window, making
1205it 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).
1206 1332
1207=back 1333=back
1208 1334
1209=head1 THE SCROLLBAR 1335=head1 THE SCROLLBAR
1210 1336
1281 1407
1282=head1 ISO 14755 SUPPORT 1408=head1 ISO 14755 SUPPORT
1283 1409
1284ISO 14755 is a standard for entering and viewing unicode characters 1410ISO 14755 is a standard for entering and viewing unicode characters
1285and character codes using the keyboard. It consists of 4 parts. The 1411and character codes using the keyboard. It consists of 4 parts. The
1286first part is available rxvt-unicode has been compiled with 1412first part is available if rxvt-unicode has been compiled with
1287C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1413C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1288with C<--enable-iso14755>. 1414with C<--enable-iso14755>.
1289 1415
1290=over 4 1416=over 4
1291 1417
1349B<@@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
1350it 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
1351allow 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
1352on 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.
1353 1479
1354=head1 COLORS AND GRAPHICS 1480=head1 COLOURS AND GRAPHICS
1355 1481
1356In addition to the default foreground and background colours, 1482In addition to the default foreground and background colours,
1357B<@@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
1358high-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
1359colours 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.
1360 1489
1361=begin table 1490=begin table
1362 1491
1363 B<color0> (black) = Black 1492 B<color0> (black) = Black
1364 B<color1> (red) = Red3 1493 B<color1> (red) = Red3
1384It is also possible to specify the colour values of B<foreground>, 1513It is also possible to specify the colour values of B<foreground>,
1385B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1514B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1386a 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
1387color0-color15. 1516color0-color15.
1388 1517
1389In addition to the colours defined above, @@RXVT_NAME@@ offers an 1518The following text gives values for the standard 88 colour mode (and
1390additional 72 colours. The first 64 of those (with indices 16 to 79) 1519values for the 256 colour mode in parentheses).
1391consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
139216>), followed by 8 additional shades of gray (with indices 80 to 87).
1393 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
1394Together, all those colours implement the 88 colour xterm colours. Only 1530Together, all those colours implement the 88 (256) colour xterm
1395the first 16 can be changed using resources currently, the rest can only 1531colours. Only the first 16 can be changed using resources currently, the
1396be 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...).
1397 1536
1398Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1537Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1399always swapping the foreground/background colours. This is in contrast to 1538always swapping the foreground/background colours. This is in contrast to
1400I<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
1401been specified. For example, 1540been specified. For example,
1402 1541
1403=over 4
1404
1405=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1542 @@RXVT_NAME@@ -fg Black -bg White -rv
1406 1543
1407would 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
1408on White. 1545White.
1409
1410=back
1411 1546
1412=head2 ALPHA CHANNEL SUPPORT 1547=head2 ALPHA CHANNEL SUPPORT
1413 1548
1414If 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
1415their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1550their act together, rxvt-unicode will do its own alpha channel management:
1416(recommended, but B<MUST> have 4 digits/component) colour specifications, 1551
1417in 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
1418specifies opacity (alpha) values. The minimum value of C<0> is completely 1563(alpha) values. The minimum value of C<0000> is completely transparent,
1419transparent). You can also prefix any color with C<[percent]>, where 1564while C<ffff> is completely opaque). The two example colours from
1420C<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
1421the color, where C<0> is completely transparent and C<100> is completelxy 1566C<rgba:0000/ff00/0000/f332>.
1422opaque.
1423 1567
1424You 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
1425your 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
1426ARGB 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.
1427 1572
1428For example, the following selects an almost completely transparent red 1573For example, the following selects an almost completely transparent black
1429background, and an almost opaque pink foreground: 1574background, and an almost opaque pink foreground:
1430 1575
1431 @@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"
1432 1577
1433I<Please note that transparency of any kind if completely unsupported by 1578When not using a background image, then the interpretation of the
1434the 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.
1435 1592
1436=head1 ENVIRONMENT 1593=head1 ENVIRONMENT
1437 1594
1438B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1595B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1439 1596
1445resources or on the command line. 1602resources or on the command line.
1446 1603
1447=item B<COLORTERM> 1604=item B<COLORTERM>
1448 1605
1449Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1606Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1450compiled with XPM support, and optionally with the added extension 1607compiled with background image support, and optionally with the added
1451C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1608extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1609screen.
1452 1610
1453=item B<COLORFGBG> 1611=item B<COLORFGBG>
1454 1612
1455Set 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
1456the colour code used as default foreground/text colour (or the string 1614the colour code used as default foreground/text colour (or the string
1457C<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
1458used), 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
1459string 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@@
1460was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1618was compiled with background image support. Libraries like C<ncurses>
1461(and do) use this information to optimize screen output. 1619and C<slang> can (and do) use this information to optimize screen output.
1462 1620
1463=item B<WINDOWID> 1621=item B<WINDOWID>
1464 1622
1465Set 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
1466window, which usually has subwindows for the scrollbar, the terminal 1624window, which usually has subwindows for the scrollbar, the terminal
1472C<--with-terminfo=PATH>. 1630C<--with-terminfo=PATH>.
1473 1631
1474=item B<DISPLAY> 1632=item B<DISPLAY>
1475 1633
1476Used 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
1477display 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.
1478 1637
1479=item B<SHELL> 1638=item B<SHELL>
1480 1639
1481The 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>.
1482 1641
1483=item B<RXVT_SOCKET> 1642=item B<RXVT_SOCKET>
1484 1643
1485The unix domain socket path used by @@RXVT_NAME@@c(1) and 1644The unix domain socket path used by @@RXVT_NAME@@c(1) and
1486@@RXVT_NAME@@d(1). 1645@@RXVT_NAME@@d(1).
1487 1646
1488Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1647Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1489 1648
1490=item B<HOME> 1649=item B<HOME>
1491 1650
1492Used to locate the default directory for the unix domain socket for 1651Used to locate the default directory for the unix domain socket for
1493daemon communications and to locate various resource files (such as 1652daemon communications and to locate various resource files (such as
1494C<.Xdefaults>) 1653C<.Xdefaults>)
1495 1654
1496=item B<XAPPLRESDIR> 1655=item B<XAPPLRESDIR>
1497 1656
1498Directory where various X resource files are being located. 1657Directory where application-specific X resource files are located.
1499 1658
1500=item B<XENVIRONMENT> 1659=item B<XENVIRONMENT>
1501 1660
1502If 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
1503@@RXVT_NAME@@. 1662@@RXVT_NAME@@.
1508 1667
1509=over 4 1668=over 4
1510 1669
1511=item B</usr/lib/X11/rgb.txt> 1670=item B</usr/lib/X11/rgb.txt>
1512 1671
1513Color names. 1672Colour names.
1514 1673
1515=back 1674=back
1516 1675
1517=head1 SEE ALSO 1676=head1 SEE ALSO
1518 1677
1557Project Coordinator (changes.txt 2.21a to 2.4.5) 1716Project Coordinator (changes.txt 2.21a to 2.4.5)
1558 1717
1559=item Geoff Wing L<< <gcw@pobox.com> >> 1718=item Geoff Wing L<< <gcw@pobox.com> >>
1560 1719
1561Rewrote screen display and text selection routines. 1720Rewrote screen display and text selection routines.
1562 1721
1563Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1722Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1564 1723
1565=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1724=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1566 1725
1567Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1726Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1569 1728
1570Project Coordinator (Changes 1.0 -) 1729Project Coordinator (Changes 1.0 -)
1571 1730
1572=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1731=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1573 1732
1574Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1733pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1575 1734
1576=back 1735=back
1577 1736

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