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Revision 1.144 by sasha, Thu Nov 15 18:40:10 2007 UTC vs.
Revision 1.213 by sf-exg, Sat Feb 4 21:47:06 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
30like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devanagari. 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>
116 124
117Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>. 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118 126
119=item B<-tr>|B<+tr> 127=item B<-tr>|B<+tr>
120 128
121Turn on/off illusion of a transparent window background. Obsolete form of it is 129Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
122B<-ip> and it should not be used anymore; resource B<transparent>.
123 130
124I<Please note that old resource name of B<inheritPixmap> is obsolete and should be 131B<-ip> is still accepted as an obsolete alias but will be removed in
125changed to B<transparent>. Backwards compatibility support for B<inheritPixmap> will 132future versions.
126be phased out in future versions of rxvt!>
127
128I<Please address all transparency related issues to Sasha Vasko at
129sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
130 133
131=item B<-fade> I<number> 134=item B<-fade> I<number>
132 135
133Fade 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
134fade a little only, 100 completely replaces all colours by the fade 137fade a little only, 100 completely replaces all colours by the fade
139Fade 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
140is opaque black. resource B<fadeColor>. 143is opaque black. resource B<fadeColor>.
141 144
142=item B<-tint> I<colour> 145=item B<-tint> I<colour>
143 146
144Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
145transparency is enabled with B<-tr>. This only works for 148resource I<tintColor>.
146non-tiled backgrounds, currently. See also the B<-sh> option that can be
147used to brighten or darken the image in addition to tinting it.
148Please note that certain tint colours can be applied on the server-side,
149thus yielding performance gain of two orders of magnitude. These colours are:
150blue, red, green, cyan, magenta, yellow, and those close to them. Also
151pure black and pure white colors essentially mean no tinting; resource
152I<tintColor>. Example:
153
154 @@RXVT_NAME@@ -tr -tint blue -sh 40
155 149
156=item B<-sh> I<number> 150=item B<-sh> I<number>
157 151
158Darken (0 .. 100) or lighten (100 .. 200) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
159background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
160resource I<shading>.
161
162=item B<-blt> I<string>
163
164Specify background blending type. If background pixmap is specified
165at the same time as transparency - such pixmap will be blended over
166transparency image, using method specified. Supported values are :
167B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
168B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
169B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
170alpha-blending. Compile I<afterimage>; resource I<blendType>.
171 154
172=item B<-blr> I<HxV> 155=item B<-blr> I<HxV>
173 156
174Apply Gaussian Blur with the specified radii to the transparent 157Apply Gaussian Blur with the specified radii to the transparent
175background image. If single number is specified - both vertical and 158background. If a single number is specified, the vertical and
176horizontal radii are considered to be the same. Setting one of the 159horizontal radii are considered to be the same. Setting one of the
177radii to 1 and another to a large number creates interesting effects 160radii to 1 and the other to a large number creates interesting effects
178on some backgrounds. Maximum radius value is 128. Compile I<afterimage>; 161on some backgrounds. The maximum radius value is 128. An horizontal or
162vertical radius of 0 disables blurring;
179resource I<blurRadius>. 163resource I<blurRadius>.
180 164
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>.
170
181=item B<-bg> I<colour> 171=item B<-bg> I<colour>
182 172
183Window background colour; resource B<background>. 173Window background colour; resource B<background>.
184 174
185=item B<-fg> I<colour> 175=item B<-fg> I<colour>
186 176
187Window foreground colour; resource B<foreground>. 177Window foreground colour; resource B<foreground>.
188 178
189=item B<-pixmap> I<file[;geom[:op1][:op2][...]]> 179=item B<-pixmap> I<file[;oplist]>
190 180
191Compile I<afterimage>: Specify image file for the background and also 181Compile I<pixbuf>: Specify image file for the background and also
192optionally 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
193add quotes to avoid special shell interpretation of the C<;> in the 183add quotes to avoid special shell interpretation of the C<;> in the
194command-line; for more details see resource B<backgroundPixmap>. 184command-line; for more details see resource B<backgroundPixmap>.
195 185
196=item B<-cr> I<colour> 186=item B<-cr> I<colour>
197 187
244italic> >> characters are to be printed. See resource B<boldItalicFont> 234italic> >> characters are to be printed. See resource B<boldItalicFont>
245for details. 235for details.
246 236
247=item B<-is>|B<+is> 237=item B<-is>|B<+is>
248 238
249Compile I<font-styles>: Bold/Italic font styles imply high intensity 239Compile I<font-styles>: Bold/Blink font styles imply high intensity
250foreground/background (default). See resource B<intensityStyles> for 240foreground/background (default). See resource B<intensityStyles> for
251details. 241details.
252 242
253=item B<-name> I<name> 243=item B<-name> I<name>
254 244
272 262
273=item B<-sb>|B<+sb> 263=item B<-sb>|B<+sb>
274 264
275Turn on/off scrollbar; resource B<scrollBar>. 265Turn on/off scrollbar; resource B<scrollBar>.
276 266
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
277=item B<-si>|B<+si> 276=item B<-si>|B<+si>
278 277
279Turn on/off scroll-to-bottom on TTY output inhibit; resource 278Turn on/off scroll-to-bottom on TTY output inhibit; resource
280B<scrollTtyOutput> has opposite effect. 279B<scrollTtyOutput> has opposite effect.
281 280
287=item B<-sw>|B<+sw> 286=item B<-sw>|B<+sw>
288 287
289Turn on/off scrolling with the scrollback buffer as new lines appear. 288Turn on/off scrolling with the scrollback buffer as new lines appear.
290This only takes effect if B<-si> is also given; resource 289This only takes effect if B<-si> is also given; resource
291B<scrollWithBuffer>. 290B<scrollWithBuffer>.
292
293=item B<-sr>|B<+sr>
294
295Put scrollbar on right/left; resource B<scrollBar_right>.
296
297=item B<-st>|B<+st>
298
299Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
300resource B<scrollBar_floating>.
301 291
302=item B<-ptab>|B<+ptab> 292=item B<-ptab>|B<+ptab>
303 293
304If enabled (default), "Horizontal Tab" characters are being stored as 294If enabled (default), "Horizontal Tab" characters are being stored as
305actual wide characters in the screen buffer, which makes it possible to 295actual wide characters in the screen buffer, which makes it possible to
309 299
310=item B<-bc>|B<+bc> 300=item B<-bc>|B<+bc>
311 301
312Blink the cursor; resource B<cursorBlink>. 302Blink the cursor; resource B<cursorBlink>.
313 303
304=item B<-uc>|B<+uc>
305
306Make the cursor underlined; resource B<cursorUnderline>.
307
314=item B<-iconic> 308=item B<-iconic>
315 309
316Start iconified, if the window manager supports that option. 310Start iconified, if the window manager supports that option.
317Alternative form is B<-ic>. 311Alternative form is B<-ic>.
318 312
334 328
335=item B<-bl> 329=item B<-bl>
336 330
337Compile 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.
338if 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
339decorations; resource B<borderLess>. 333decorations; resource B<borderLess>. If the window manager does not
334support MWM hints (e.g. kwin), enables override-redirect mode.
340 335
341=item B<-override-redirect> 336=item B<-override-redirect>
342 337
343Compile I<frills>: Sets override-redirect on the window; resource 338Compile I<frills>: Sets override-redirect on the window; resource
344B<override-redirect>. 339B<override-redirect>.
353=item B<-lsp> I<number> 348=item B<-lsp> I<number>
354 349
355Compile I<frills>: Lines (pixel height) to insert between each row of 350Compile I<frills>: Lines (pixel height) to insert between each row of
356the display. Useful to work around font rendering problems; resource 351the display. Useful to work around font rendering problems; resource
357B<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>.
358 360
359=item B<-tn> I<termname> 361=item B<-tn> I<termname>
360 362
361This 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
362B<TERM> environment variable. This terminal type must exist in the 364B<TERM> environment variable. This terminal type must exist in the
417 419
418=item B<-tcw> 420=item B<-tcw>
419 421
420Change the meaning of triple-click selection with the left mouse 422Change the meaning of triple-click selection with the left mouse
421button. Only effective when the original (non-perl) selection code is 423button. Only effective when the original (non-perl) selection code is
422in-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
423end of the logical line only. resource B<tripleclickwords>. 425the end of the logical line only. resource B<tripleclickwords>.
424 426
425=item B<-insecure> 427=item B<-insecure>
426 428
427Enable "insecure" mode, which currently enables most of the escape 429Enable "insecure" mode, which currently enables most of the escape
428sequences that echo strings. See the resource B<insecure> for more 430sequences that echo strings. See the resource B<insecure> for more
448 450
449Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 451Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
450will not immediately destroy its window when the program executed within 452will not immediately destroy its window when the program executed within
451it 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
452user; 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.
453 474
454=item B<-keysym.>I<sym> I<string> 475=item B<-keysym.>I<sym> I<string>
455 476
456Remap a key symbol. See resource B<keysym>. 477Remap a key symbol. See resource B<keysym>.
457 478
492If 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
493entries 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
494yourself if you want that. 515yourself if you want that.
495 516
496As an extremely special case, specifying C<-1> will completely suppress 517As an extremely special case, specifying C<-1> will completely suppress
497pty/tty operations. 518pty/tty operations, which is probably only useful in conjunction with some
519perl extension that manages the terminal.
498 520
499Here 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
500longer example is in F<doc/pty-fd>): 522longer example is in F<doc/pty-fd>):
501 523
502 use IO::Pty; 524 use IO::Pty;
516Comma-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
517this terminal instance. See resource B<perl-ext> for details. 539this terminal instance. See resource B<perl-ext> for details.
518 540
519=back 541=back
520 542
521=head1 RESOURCES (available also as long-options) 543=head1 RESOURCES
522 544
523Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 545Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
524options) compiled into your version. 546options) compiled into your version. All resources are also available as
547long-options.
525 548
526You 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
527distribution do also load settings from the B<~/.Xresources> file when X 550distribution do also load settings from the B<~/.Xresources> file when X
528starts. @@RXVT_NAME@@ will consult the following files/resources in order, 551starts. @@RXVT_NAME@@ will consult the following files/resources in order,
529with later settings overwriting earlier ones: 552with later settings overwriting earlier ones:
530 553
531 1. system-wide app-defaults file, either locale-dependent OR global
532 2. app-defaults file in $XAPPLRESDIR 554 1. app-defaults file in $XAPPLRESDIR
555 2. $HOME/.Xdefaults
533 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 556 3. RESOURCE_MANAGER property on root-window of screen 0
534 4. SCREEN_RESOURCES for the current screen 557 4. SCREEN_RESOURCES property on root-window of the current screen
535 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 558 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
559 6. resources specified via -xrm on the commandline
536 560
537Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 561Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
538names: 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
539common 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
540configured, while the class name B<URxvt> allows resources unique to 564configured, while the class name B<URxvt> allows resources unique to
550=item B<depth:> I<bitdepth> 574=item B<depth:> I<bitdepth>
551 575
552Compile 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;
553option B<-depth>. 577option B<-depth>.
554 578
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
555=item B<geometry:> I<geom> 586=item B<geometry:> I<geom>
556 587
557Create the window with the specified X window geometry [default 80x24]; 588Create the window with the specified X window geometry [default 80x24];
558option B<-geometry>. 589option B<-geometry>.
559 590
572Use 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
573corresponds to low-intensity (normal) colours and 8-15 corresponds to 604corresponds to low-intensity (normal) colours and 8-15 corresponds to
574high-intensity (bold = bright foreground, blink = bright background) 605high-intensity (bold = bright foreground, blink = bright background)
575colours. 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,
5763=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
577names used are listed in the B<COLORS AND GRAPHICS> section. 608names used are listed in the B<COLOURS AND GRAPHICS> section.
578 609
579Colours 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
580changed using an escape command (see @@RXVT_NAME@@(7)). 611changed using an escape command (see @@RXVT_NAME@@(7)).
581 612
582Colours 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
593=item B<colorUL:> I<colour> 624=item B<colorUL:> I<colour>
594 625
595Use the specified colour to display underlined characters when the 626Use the specified colour to display underlined characters when the
596foreground colour is the default. 627foreground colour is the default.
597 628
598=item B<colorRV:> I<colour>
599
600Use the specified colour as the background for reverse video characters
601when OPTION_HC is disabled (--disable-frills).
602
603=item B<underlineColor:> I<colour> 629=item B<underlineColor:> I<colour>
604 630
605If set, use the specified colour as the colour for the underline 631If set, use the specified colour as the colour for the underline
606itself. 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.
607 643
608=item B<cursorColor:> I<colour> 644=item B<cursorColor:> I<colour>
609 645
610Use 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
611foreground colour; option B<-cr>. 647foreground colour; option B<-cr>.
618 654
619=item B<reverseVideo:> I<boolean> 655=item B<reverseVideo:> I<boolean>
620 656
621B<True>: simulate reverse video by foreground and background colours; 657B<True>: simulate reverse video by foreground and background colours;
622option B<-rv>. B<False>: regular screen colours [default]; option 658option B<-rv>. B<False>: regular screen colours [default]; option
623B<+rv>. See note in B<COLORS AND GRAPHICS> section. 659B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
624 660
625=item B<jumpScroll:> I<boolean> 661=item B<jumpScroll:> I<boolean>
626 662
627B<True>: specify that jump scrolling should be used. When receiving lots 663B<True>: specify that jump scrolling should be used. When receiving lots
628of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines 664of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
642 678
643B<False>: specify that everything is to be displayed, even 679B<False>: specify that everything is to be displayed, even
644if the refresh is too fast for the human eye to read anything (or the 680if the refresh is too fast for the human eye to read anything (or the
645monitor to display anything); option B<+ss>. 681monitor to display anything); option B<+ss>.
646 682
647=item B<inheritPixmap:> I<boolean> 683=item B<transparent:> I<boolean>
648 684
649B<True>: make the background inherit the parent windows' pixmap, giving 685Turn on/off pseudo-transparency by using the root pixmap as background.
650artificial transparency. B<False>: do not inherit the parent windows'
651pixmap.
652 686
653I<Please note that transparency of any kind if completely unsupported by 687B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
654the author. Don't bug him with installation questions!> 688future versions.
655 689
656=item B<fading:> I<number> 690=item B<fading:> I<number>
657 691
658Fade 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>.
659 693
662Fade 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
663colour is black; option B<-fadecolor>. 697colour is black; option B<-fadecolor>.
664 698
665=item B<tintColor:> I<colour> 699=item B<tintColor:> I<colour>
666 700
667Tint the transparent background pixmap with the given colour; option 701Tint the transparent background with the given colour. If the RENDER
668B<-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>.
669 706
670=item B<shading:> I<number> 707=item B<shading:> I<number>
671 708
672Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 709Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
673in addition to tinting it; option B<-sh>. 710A value of 100 means no shading; option B<-sh>.
674 711
675=item B<blendType:> I<string> 712=item B<blendType:> I<string>
676 713
677Specify background blending type; option B<-blt>. 714Specify background blending type; option B<-blt>.
678 715
679=item B<blurRadius:> I<number> 716=item B<blurRadius:> I<number>
680 717
681Apply Gaussian Blurr with the specified radius to the transparent 718Apply gaussian blur with the specified radius to the transparent
682background image; option B<-blr>. 719background; option B<-blr>.
720
721=item B<iconFile:> I<file>
722
723Set the application icon pixmap; option B<-icon>.
683 724
684=item B<scrollColor:> I<colour> 725=item B<scrollColor:> I<colour>
685 726
686Use the specified colour for the scrollbar [default #B2B2B2]. 727Use the specified colour for the scrollbar [default #B2B2B2].
687 728
693=item B<borderColor:> I<colour> 734=item B<borderColor:> I<colour>
694 735
695The colour of the border around the text area and between the scrollbar 736The colour of the border around the text area and between the scrollbar
696and the text. 737and the text.
697 738
698=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]> 739=item B<backgroundPixmap:> I<file[;oplist]>
699 740
700Use the specified image file for the background and also optionally 741Use the specified image file for the background and also
701specify its scaling with a geometry string B<WxH+X+Y>, 742optionally specify a colon separated list of operations to modify it.
702in which B<"W" / "H"> specify the horizontal/vertical scale (percent),
703and B<"X" / "Y"> locate the image centre (percent).
704A scale of 0 displays the image with tiling. A scale of 1 displays the
705image without any scaling. A scale of 2 to 9 specifies an integer
706number of images in that direction. No image will be magnified beyond
70710 times its original size. The maximum permitted scale is 1000.
708Additional operations can be specified after colon B<:op1:op2...>.
709Supported operations are: 743Supported operations are:
710 B<"tile"> - force background image to be tiled and not scaled. Equivalent to 0x0,
711 B<"propscale"> - will scale image keeping proportions,
712 B<"auto"> - will scale image to match window size. Equivalent to 100x100;
713 B<"hscale"> - will scale image horizontally to the window size;
714 B<"vscale"> - will scale image vertically to the window size;
715 B<"scale"> - will scale image to match window size;
716 B<"root"> - will tile image as if it was a root window background, auto-adjusting
717 whenever terminal window moves.
718 744
745=over 4
746
747=item B<WxH+X+Y>
748
749sets scale and position. B<"W" / "H"> specify the horizontal/vertical
750scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
751scale of 0 disables scaling. The maximum permitted scale is 1000.
752
753=item B<op=tile>
754
755enables tiling
756
757=item B<op=keep-aspect>
758
759maintain the image aspect ratio when scaling
760
761=item B<op=root-align>
762
763use the position of the terminal window relative to the root window as
764the image offset, simulating a root window background
765
766=back
767
768The default scale and position setting is C<100x100+50+50>.
769Alternatively, a predefined set of templates can be used to achieve
770the most common setups:
771
772=over 4
773
774=item B<style=tiled>
775
776the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
777
778=item B<style=aspect-stretched>
779
780the image is scaled to fill the whole window maintaining the aspect
781ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
782
783=item B<style=stretched>
784
785the image is scaled to fill the whole window. Equivalent to 100x100
786
787=item B<style=centered>
788
789the image is centered with no scaling. Equivalent to 0x0+50+50
790
791=item B<style=root-tiled>
792
793the image is tiled with no scaling and using 'root' positioning.
794Equivalent to 0x0:op=tile:op=root-align
795
796=back
797
798If multiple templates are specified the last one wins. Note that a
799template overrides all the scale, position and operations settings.
800
719If used in conjunction with B<-tr> option - specified pixmap will be 801If used in conjunction with B<-tr> option, the specified pixmap will be
720blended over transparency image using either alpha-blending, or any 802blended over the transparent background using alpha-blending.
721other blending type, specified with B<-blt "type"> option.
722[default 0x0+50+50]
723 803
724=item B<path:> I<path> 804=item B<path:> I<path>
725 805
726Specify the colon-delimited search path for finding background image files. 806Specify the colon-delimited search path for finding background image files.
727 807
754it is named first) and thus defines the character cell grid to be 9 pixels 834it is named first) and thus defines the character cell grid to be 9 pixels
755wide and 15 pixels high. 835wide and 15 pixels high.
756 836
757The second font is just used to add additional unicode characters not in 837The second font is just used to add additional unicode characters not in
758the base font, likewise the third, which is unfortunately non-bold, but 838the base font, likewise the third, which is unfortunately non-bold, but
759the bold version of the font does contain less characters, so this is a 839the bold version of the font does contain fewer characters, so this is a
760useful supplement. 840useful supplement.
761 841
762The third font is an Xft font with aliasing turned off, and the characters 842The third font is an Xft font with aliasing turned off, and the characters
763are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 843are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
764contains other characters, but we are not interested in them. 844contains other characters, but we are not interested in them.
788text font will being used for the given style. 868text font will being used for the given style.
789 869
790=item B<intensityStyles:> I<boolean> 870=item B<intensityStyles:> I<boolean>
791 871
792When font styles are not enabled, or this option is enabled (B<True>, 872When font styles are not enabled, or this option is enabled (B<True>,
793option B<-is>, the default), bold and italic font styles imply high 873option B<-is>, the default), bold/blink font styles imply high
794intensity foreground/background colours. Disabling this option (B<False>, 874intensity foreground/background colours. Disabling this option (B<False>,
795option B<+is>) disables this behaviour, the high intensity colours are not 875option B<+is>) disables this behaviour, the high intensity colours are not
796reachable. 876reachable.
797 877
798=item B<selectstyle:> I<mode>
799
800Set mouse selection style to B<old> which is 2.20, B<oldword> which
801is xterm style with 2.20 old word selection, or anything else which
802gives xterm style selection. Only effective when the original (non-perl)
803selection code is in use.
804
805=item B<scrollstyle:> I<mode>
806
807Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
808the author's favourite.
809
810=item B<title:> I<string> 878=item B<title:> I<string>
811 879
812Set window title string, the default title is the command-line 880Set window title string, the default title is the command-line
813specified after the B<-e> option, if any, otherwise the application 881specified after the B<-e> option, if any, otherwise the application
814name; option B<-title>. 882name; option B<-title>.
827=item B<urgentOnBell:> I<boolean> 895=item B<urgentOnBell:> I<boolean>
828 896
829B<True>: set the urgency hint for the wm on receipt of a bell character. 897B<True>: set the urgency hint for the wm on receipt of a bell character.
830B<False>: do not set the urgency hint [default]. 898B<False>: do not set the urgency hint [default].
831 899
900@@RXVT_NAME@@ resets the urgency hint on every focus change.
901
832=item B<visualBell:> I<boolean> 902=item B<visualBell:> I<boolean>
833 903
834B<True>: use visual bell on receipt of a bell character; option B<-vb>. 904B<True>: use visual bell on receipt of a bell character; option B<-vb>.
835B<False>: no visual bell [default]; option B<+vb>. 905B<False>: no visual bell [default]; option B<+vb>.
836 906
859 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 929 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
860 930
861This creates a new file in your home directory with the screen contents 931This creates a new file in your home directory with the screen contents
862every time you hit C<Print>. 932every time you hit C<Print>.
863 933
934=item B<scrollstyle:> I<mode>
935
936Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
937the author's favourite.
938
939=item B<thickness:> I<number>
940
941Set the scrollbar width in pixels.
942
864=item B<scrollBar:> I<boolean> 943=item B<scrollBar:> I<boolean>
865 944
866B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 945B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
867disable the scrollbar; option B<+sb>. 946disable the scrollbar; option B<+sb>.
868 947
887B<False>: do not scroll to bottom when tty receives output; option 966B<False>: do not scroll to bottom when tty receives output; option
888B<+si>. 967B<+si>.
889 968
890=item B<scrollWithBuffer:> I<boolean> 969=item B<scrollWithBuffer:> I<boolean>
891 970
892B<True>: scroll with scrollback buffer when tty receives new lines (and 971B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
893B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 972try to show the same lines) and B<scrollTtyOutput> is False; option
894with scrollback buffer when tty receives new lines; option B<+sw>. 973B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
974new lines; option B<+sw>.
895 975
896=item B<scrollTtyKeypress:> I<boolean> 976=item B<scrollTtyKeypress:> I<boolean>
897 977
898B<True>: scroll to bottom when a non-special key is pressed. Special keys 978B<True>: scroll to bottom when a non-special key is pressed. Special keys
899are those which are intercepted by rxvt-unicode for special handling and 979are those which are intercepted by rxvt-unicode for special handling and
955=item B<cursorBlink:> I<boolean> 1035=item B<cursorBlink:> I<boolean>
956 1036
957B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1037B<True>: blink the cursor. B<False>: do not blink the cursor [default];
958option B<-bc>. 1038option B<-bc>.
959 1039
1040=item B<cursorUnderline:> I<boolean>
1041
1042B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1043option B<-uc>.
1044
960=item B<pointerBlank:> I<boolean> 1045=item B<pointerBlank:> I<boolean>
961 1046
962B<True>: blank the pointer when a key is pressed or after a set number 1047B<True>: blank the pointer when a key is pressed or after a set number
963of seconds of inactivity. B<False>: the pointer is always visible 1048of seconds of inactivity. B<False>: the pointer is always visible
964[default]. 1049[default].
977large number (e.g. C<987654321>) to effectively disable the timeout. 1062large number (e.g. C<987654321>) to effectively disable the timeout.
978 1063
979=item B<backspacekey:> I<string> 1064=item B<backspacekey:> I<string>
980 1065
981The string to send when the backspace key is pressed. If set to B<DEC> 1066The string to send when the backspace key is pressed. If set to B<DEC>
982or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1067or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
983(code 8) - which can be reversed with the appropriate DEC private mode 1068(code 8) - which can be reversed with the appropriate DEC private mode
984escape sequence. 1069escape sequence.
985 1070
986=item B<deletekey:> I<string> 1071=item B<deletekey:> I<string>
987 1072
1000will be created). In this mode, characters outside ISO-8859-1 can be used. 1085will be created). In this mode, characters outside ISO-8859-1 can be used.
1001 1086
1002When the selection extension is not used, only ISO-8859-1 characters can 1087When the selection extension is not used, only ISO-8859-1 characters can
1003be used. If not specified, the built-in default is used: 1088be used. If not specified, the built-in default is used:
1004 1089
1005B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1090B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
1006 1091
1007=item B<preeditType:> I<style> 1092=item B<preeditType:> I<style>
1008 1093
1009B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1094B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
1010 1095
1066 1151
1067=item B<secondaryScroll:> I<boolean> 1152=item B<secondaryScroll:> I<boolean>
1068 1153
1069Turn on/off secondary screen scroll (default enabled). If this 1154Turn on/off secondary screen scroll (default enabled). If this
1070option is enabled, scrolls on the secondary screen will change the 1155option is enabled, scrolls on the secondary screen will change the
1071scrollback buffer and switching to/from the secondary screen will 1156scrollback buffer and, when secondaryScreen is off, switching
1072instead scroll the screen up. 1157to/from the secondary screen will instead scroll the screen up.
1073 1158
1074=item B<hold>: I<boolean> 1159=item B<hold>: I<boolean>
1075 1160
1076Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1161Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1077will not immediately destroy its window when the program executed within 1162will not immediately destroy its window when the program executed within
1078it exits. Instead, it will wait till it is being killed or closed by the 1163it exits. Instead, it will wait till it is being killed or closed by the
1079user. 1164user.
1165
1166=item B<chdir>: I<path>
1167
1168Sets the working directory for the shell (or the command specified via
1169B<-e>). The I<path> must be an absolute path and it must exist for
1170@@RXVT_NAME@@ to start. If it isn't specified then the current working
1171directory will be used; option B<-cd>.
1080 1172
1081=item B<keysym.>I<sym>: I<string> 1173=item B<keysym.>I<sym>: I<string>
1082 1174
1083Compile I<frills>: Associate I<string> with keysym I<sym>. The 1175Compile I<frills>: Associate I<string> with keysym I<sym>. The
1084intervening resource name B<keysym.> cannot be omitted. 1176intervening resource name B<keysym.> cannot be omitted.
1099omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1191omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1100keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1192keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1101performed in an exact manner; however, the closest match is assured. 1193performed in an exact manner; however, the closest match is assured.
1102 1194
1103I<string> may contain escape values (C<\n>: newline, C<\000>: octal 1195I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1104number), see RESOURCES in C<man 7 X> for futher details. 1196number), see RESOURCES in C<man 7 X> for further details.
1105 1197
1106You can define a range of keysyms in one shot by providing a I<string> 1198You can define a range of keysyms in one shot by
1199loading the C<keysym-list> perl extension and providing a I<string>
1107with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1200with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1108should be a character not used by the strings. 1201should be a character not used by the strings.
1109 1202
1110Its usage can be demonstrated by an example: 1203Its usage can be demonstrated by an example:
1111 1204
1112 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1205 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1113 1206
1114The above line is equivalent to the following three lines: 1207The above line is equivalent to the following three lines:
1115 1208
1116 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1209 URxvt.keysym.Meta-Control-0x61: \033<a>
1117 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1210 URxvt.keysym.Meta-Control-0x62: \033<b>
1118 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1211 URxvt.keysym.Meta-Control-0x63: \033<c>
1119 1212
1120If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1213If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1121is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1214is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1122example the following means "change the current locale to C<zh_CN.GBK> 1215example the following means "change the current locale to C<zh_CN.GBK>
1123when Control-Meta-c is being pressed": 1216when Control-Meta-c is being pressed":
1124 1217
1125 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1218 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1126 1219
1127If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1220If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1128is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1221is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1129manpage. For example, the F<selection> extension (activated via 1222manpage. For example, the F<selection> extension (activated via
1130C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1223C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1131 1224
1132 URxvt.keysym.M-C-c: perl:selection:rot13 1225 URxvt.keysym.M-C-c: perl:selection:rot13
1133 1226
1134Due the the large number of modifier combinations, a defined key mapping 1227Due the the large number of modifier combinations, a defined key mapping
1135will match if at I<at least> the specified identifiers are being set, and 1228will match if I<at least> the specified identifiers are being set, and
1136no other key mappings with those and more bits are being defined. That 1229no other key mappings with those and more bits are being defined. That
1137means that defining a key map for C<a> will automatically provide 1230means that defining a key map for C<a> will automatically provide
1138definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1231definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1139mappings themselves. 1232mappings themselves.
1140 1233
1191all instances, while B<perl-ext> is used for specific instances. 1284all instances, while B<perl-ext> is used for specific instances.
1192 1285
1193=item B<perl-eval>: I<string> 1286=item B<perl-eval>: I<string>
1194 1287
1195Perl code to be evaluated when all extensions have been registered. See 1288Perl code to be evaluated when all extensions have been registered. See
1196the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1289the @@RXVT_NAME@@perl(3) manpage.
1197will be ignored when running setuid/setgid.
1198 1290
1199=item B<perl-lib>: I<path> 1291=item B<perl-lib>: I<path>
1200 1292
1201Colon-separated list of additional directories that hold extension 1293Colon-separated list of additional directories that hold extension
1202scripts. When looking for extensions specified by the C<perl> resource, 1294scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1203@@RXVT_NAME@@ will first look in these directories and then in 1295look in these directories, then in $HOME/.urxvt/ext and lastly in
1204F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1296F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1205will be ignored when running setuid/setgid.
1206 1297
1207See the @@RXVT_NAME@@perl(3) manpage. 1298See the @@RXVT_NAME@@perl(3) manpage.
1208 1299
1209=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1300=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1210 1301
1232 1323
1233=item B<override-redirect>: I<boolean> 1324=item B<override-redirect>: I<boolean>
1234 1325
1235Compile I<frills>: Sets override-redirect for the terminal window, making 1326Compile I<frills>: Sets override-redirect for the terminal window, making
1236it almost invisible to window managers; option B<-override-redirect>. 1327it almost invisible to window managers; option B<-override-redirect>.
1328
1329=item B<iso14755:> I<boolean>
1330
1331Turn on/off ISO 14755 (default enabled).
1237 1332
1238=item B<iso14755_52:> I<boolean> 1333=item B<iso14755_52:> I<boolean>
1239 1334
1240Turn on/off ISO 14755 5.2 mode (default enabled). 1335Turn on/off ISO 14755 5.2 mode (default enabled).
1241 1336
1384B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1479B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1385it can be seen via the I<who(1)> command, and can accept messages. To 1480it can be seen via the I<who(1)> command, and can accept messages. To
1386allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1481allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1387on some systems or setgid to root or to some other group on others. 1482on some systems or setgid to root or to some other group on others.
1388 1483
1389=head1 COLORS AND GRAPHICS 1484=head1 COLOURS AND GRAPHICS
1390 1485
1391In addition to the default foreground and background colours, 1486In addition to the default foreground and background colours,
1392B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1487B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1393high-intensity bold/blink versions of the same). Here is a list of the 1488high-intensity (potentially bold/blink) versions of the same, and 72 (or
1394colours with their names. 1489240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1490cube plus a 8 (24) colour greyscale ramp.
1491
1492Here is a list of the ANSI colours with their names.
1395 1493
1396=begin table 1494=begin table
1397 1495
1398 B<color0> (black) = Black 1496 B<color0> (black) = Black
1399 B<color1> (red) = Red3 1497 B<color1> (red) = Red3
1419It is also possible to specify the colour values of B<foreground>, 1517It is also possible to specify the colour values of B<foreground>,
1420B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1518B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1421a number 0-15, as a convenient shorthand to reference the colour name of 1519a number 0-15, as a convenient shorthand to reference the colour name of
1422color0-color15. 1520color0-color15.
1423 1521
1424In addition to the colours defined above, @@RXVT_NAME@@ offers an 1522The following text gives values for the standard 88 colour mode (and
1425additional 72 colours. The first 64 of those (with indices 16 to 79) 1523values for the 256 colour mode in parentheses).
1426consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
142716>), followed by 8 additional shades of gray (with indices 80 to 87).
1428 1524
1525The RGB cube uses indices 16..79 (16..231) using the following formulas:
1526
1527 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1528 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1529
1530The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1531steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1532the RGB cube.
1533
1429Together, all those colours implement the 88 colour xterm colours. Only 1534Together, all those colours implement the 88 (256) colour xterm
1430the first 16 can be changed using resources currently, the rest can only 1535colours. Only the first 16 can be changed using resources currently, the
1431be changed via command sequences ("escape codes"). 1536rest can only be changed via command sequences ("escape codes").
1537
1538Applications are advised to use terminfo or command sequences to discover
1539number and RGB values of all colours (yes, you can query this...).
1432 1540
1433Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1541Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1434always swapping the foreground/background colours. This is in contrast to 1542always swapping the foreground/background colours. This is in contrast to
1435I<xterm>(1) where the colours are only swapped if they have not otherwise 1543I<xterm>(1) where the colours are only swapped if they have not otherwise
1436been specified. For example, 1544been specified. For example,
1437 1545
1438=over 4
1439
1440=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1546 @@RXVT_NAME@@ -fg Black -bg White -rv
1441 1547
1442would yield White on Black, while on I<xterm>(1) it would yield Black 1548would yield White on Black, while on I<xterm>(1) it would yield Black on
1443on White. 1549White.
1444
1445=back
1446 1550
1447=head2 ALPHA CHANNEL SUPPORT 1551=head2 ALPHA CHANNEL SUPPORT
1448 1552
1449If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1553If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1450their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1554their act together, rxvt-unicode will do its own alpha channel management:
1451(recommended, but B<MUST> have 4 digits/component) colour specifications, 1555
1452in addition to the ones provided by X, where the additional A component 1556You can prefix any colour with an opaqueness percentage enclosed in
1557brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1558(0-100) that specifies the opacity of the colour, where C<0> is completely
1559transparent and C<100> is completely opaque. For example, C<[50]red> is a
1560half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1561is the recommended format to specify transparency values, and works with
1562all ways to specify a colour.
1563
1564For complete control, rxvt-unicode also supports
1565C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1566specifications, where the additional C<aaaa> component specifies opacity
1453specifies opacity (alpha) values. The minimum value of C<0> is completely 1567(alpha) values. The minimum value of C<0000> is completely transparent,
1454transparent). You can also prefix any color with C<[percent]>, where 1568while C<ffff> is completely opaque). The two example colours from
1455C<percent> is a decimal percentage (0-100) that specifies the opacity of 1569earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1456the color, where C<0> is completely transparent and C<100> is completelxy 1570C<rgba:0000/ff00/0000/f332>.
1457opaque.
1458 1571
1459You probably need to specify B<"-depth 32">, too, and have the luck that 1572You probably need to specify B<"-depth 32">, too, to force a visual with
1460your X-server uses ARGB pixel layout, as X is far from just supporting 1573alpha channels, and have the luck that your X-server uses ARGB pixel
1461ARGB visuals out of the box, and rxvt-unicode just fudges around. 1574layout, as X is far from just supporting ARGB visuals out of the box, and
1575rxvt-unicode just fudges around.
1462 1576
1463For example, the following selects an almost completely transparent red 1577For example, the following selects an almost completely transparent black
1464background, and an almost opaque pink foreground: 1578background, and an almost opaque pink foreground:
1465 1579
1466 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1580 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1467 1581
1468I<Please note that transparency of any kind if completely unsupported by 1582When not using a background image, then the interpretation of the
1469the author. Don't bug him with installation questions!> 1583alpha channel is up to your compositing manager (most interpret it as
1584transparency of course).
1585
1586When using a background pixmap or pseudo-transparency, then the background
1587colour will always behave as if it were completely transparent (so the
1588background image shows instead), regardless of how it was specified, while
1589other colours will either be transparent as specified (the background
1590image will show through) on servers supporting the RENDER extension, or
1591fully opaque on servers not supporting the RENDER EXTENSION.
1592
1593Please note that due to bugs in Xft, specifying alpha values might result
1594in garbage being displayed when the X-server does not support the RENDER
1595extension.
1470 1596
1471=head1 ENVIRONMENT 1597=head1 ENVIRONMENT
1472 1598
1473B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1599B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1474 1600
1508C<--with-terminfo=PATH>. 1634C<--with-terminfo=PATH>.
1509 1635
1510=item B<DISPLAY> 1636=item B<DISPLAY>
1511 1637
1512Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1638Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1513display in its child processes. 1639display in its child processes if C<-display> isn't used to override. It
1640defaults to C<:0> if it doesn't exist.
1514 1641
1515=item B<SHELL> 1642=item B<SHELL>
1516 1643
1517The shell to be used for command execution, defaults to C</bin/sh>. 1644The shell to be used for command execution, defaults to C</bin/sh>.
1518 1645
1519=item B<RXVT_SOCKET> 1646=item B<RXVT_SOCKET>
1520 1647
1521The unix domain socket path used by @@RXVT_NAME@@c(1) and 1648The unix domain socket path used by @@RXVT_NAME@@c(1) and
1522@@RXVT_NAME@@d(1). 1649@@RXVT_NAME@@d(1).
1523 1650
1524Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1651Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1525 1652
1526=item B<HOME> 1653=item B<HOME>
1527 1654
1528Used to locate the default directory for the unix domain socket for 1655Used to locate the default directory for the unix domain socket for
1529daemon communications and to locate various resource files (such as 1656daemon communications and to locate various resource files (such as
1530C<.Xdefaults>) 1657C<.Xdefaults>)
1531 1658
1532=item B<XAPPLRESDIR> 1659=item B<XAPPLRESDIR>
1533 1660
1534Directory where various X resource files are being located. 1661Directory where application-specific X resource files are located.
1535 1662
1536=item B<XENVIRONMENT> 1663=item B<XENVIRONMENT>
1537 1664
1538If set and accessible, gives the name of a X resource file to be loaded by 1665If set and accessible, gives the name of a X resource file to be loaded by
1539@@RXVT_NAME@@. 1666@@RXVT_NAME@@.
1544 1671
1545=over 4 1672=over 4
1546 1673
1547=item B</usr/lib/X11/rgb.txt> 1674=item B</usr/lib/X11/rgb.txt>
1548 1675
1549Color names. 1676Colour names.
1550 1677
1551=back 1678=back
1552 1679
1553=head1 SEE ALSO 1680=head1 SEE ALSO
1554 1681
1605 1732
1606Project Coordinator (Changes 1.0 -) 1733Project Coordinator (Changes 1.0 -)
1607 1734
1608=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1735=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1609 1736
1610Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1737pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1611 1738
1612=back 1739=back
1613 1740

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