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Revision 1.136 by root, Mon Aug 13 10:01:18 2007 UTC vs.
Revision 1.217 by root, Tue Jun 5 21:51:23 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>
114 122
115=item B<-ss>|B<+ss> 123=item B<-ss>|B<+ss>
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<-ip>|B<+ip> | B<-tr>|B<+tr> 127=item B<-tr>|B<+tr>
120 128
121Turn on/off inheriting parent window's pixmap. Alternative form is 129Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
122B<-tr>; resource B<inheritPixmap>.
123 130
124I<Please note that transparency of any kind if completely unsupported by 131B<-ip> is still accepted as an obsolete alias but will be removed in
125the author. Don't bug him with installation questions! Read the FAQ (man 7 132future versions.
126@@RXVT_NAME@@)!>
127 133
128=item B<-fade> I<number> 134=item B<-fade> I<number>
129 135
130Fade 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
131fade a little only, 100 completely replaces all colours by the fade 137fade a little only, 100 completely replaces all colours by the fade
136Fade 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
137is opaque black. resource B<fadeColor>. 143is opaque black. resource B<fadeColor>.
138 144
139=item B<-tint> I<colour> 145=item B<-tint> I<colour>
140 146
141Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
142transparency is enabled with B<-tr> or B<-ip>. This only works for 148resource I<tintColor>.
143non-tiled backgrounds, currently. See also the B<-sh> option that can be
144used to brighten or darken the image in addition to tinting it.
145Please note that certain tint colours can be applied on the server-side,
146thus yielding performance gain of two orders of magnitude. These colours are:
147blue, red, green, cyan, magenta, yellow, and those close to them; resource
148I<tintColor>. Example:
149
150 @@RXVT_NAME@@ -tr -tint blue -sh 40
151 149
152=item B<-sh> I<number> 150=item B<-sh> I<number>
153 151
154Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
155background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
156resource I<shading>.
157
158=item B<-blt> I<string>
159
160Specify background blending type. If background pixmap is specified
161at the same time as transparency - such pixmap will be blended over
162transparency image, using method specified. Supported values are :
163B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
164B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
165B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
166alpha-blending; resource I<blendType>.
167 154
168=item B<-blr> I<HxV> 155=item B<-blr> I<HxV>
169 156
170Apply Gaussian Blur with the specified radii to the transparent 157Apply Gaussian Blur with the specified radii to the transparent
171background image. If single number is specified - both vertical and 158background. If a single number is specified, the vertical and
172horizontal radii are considered to be the same. Setting one of the 159horizontal radii are considered to be the same. Setting one of the
173radii to 1 and another to a large number creates interesting effects 160radii to 1 and the other to a large number creates interesting effects
174on some backgrounds. Maximum radius value is 128; resource I<blurRadius>. 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>.
175 170
176=item B<-bg> I<colour> 171=item B<-bg> I<colour>
177 172
178Window background colour; resource B<background>. 173Window background colour; resource B<background>.
179 174
180=item B<-fg> I<colour> 175=item B<-fg> I<colour>
181 176
182Window foreground colour; resource B<foreground>. 177Window foreground colour; resource B<foreground>.
183 178
184=item B<-pixmap> I<file[;geom]> 179=item B<-pixmap> I<file[;oplist]>
185 180
186Compile I<afterimage>: Specify image file for the background and also 181Compile I<pixbuf>: Specify image file for the background and also
187optionally 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
188add quotes to avoid special shell interpretation of the C<;> in the 183add quotes to avoid special shell interpretation of the C<;> in the
189command-line; for more details see resource B<backgroundPixmap>. 184command-line; for more details see resource B<backgroundPixmap>.
190 185
191=item B<-cr> I<colour> 186=item B<-cr> I<colour>
192 187
239italic> >> characters are to be printed. See resource B<boldItalicFont> 234italic> >> characters are to be printed. See resource B<boldItalicFont>
240for details. 235for details.
241 236
242=item B<-is>|B<+is> 237=item B<-is>|B<+is>
243 238
244Compile I<font-styles>: Bold/Italic font styles imply high intensity 239Compile I<font-styles>: Bold/Blink font styles imply high intensity
245foreground/background (default). See resource B<intensityStyles> for 240foreground/background (default). See resource B<intensityStyles> for
246details. 241details.
247 242
248=item B<-name> I<name> 243=item B<-name> I<name>
249 244
267 262
268=item B<-sb>|B<+sb> 263=item B<-sb>|B<+sb>
269 264
270Turn on/off scrollbar; resource B<scrollBar>. 265Turn on/off scrollbar; resource B<scrollBar>.
271 266
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
272=item B<-si>|B<+si> 276=item B<-si>|B<+si>
273 277
274Turn on/off scroll-to-bottom on TTY output inhibit; resource 278Turn on/off scroll-to-bottom on TTY output inhibit; resource
275B<scrollTtyOutput> has opposite effect. 279B<scrollTtyOutput> has opposite effect.
276 280
282=item B<-sw>|B<+sw> 286=item B<-sw>|B<+sw>
283 287
284Turn on/off scrolling with the scrollback buffer as new lines appear. 288Turn on/off scrolling with the scrollback buffer as new lines appear.
285This only takes effect if B<-si> is also given; resource 289This only takes effect if B<-si> is also given; resource
286B<scrollWithBuffer>. 290B<scrollWithBuffer>.
287
288=item B<-sr>|B<+sr>
289
290Put scrollbar on right/left; resource B<scrollBar_right>.
291
292=item B<-st>|B<+st>
293
294Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
295resource B<scrollBar_floating>.
296 291
297=item B<-ptab>|B<+ptab> 292=item B<-ptab>|B<+ptab>
298 293
299If enabled (default), "Horizontal Tab" characters are being stored as 294If enabled (default), "Horizontal Tab" characters are being stored as
300actual wide characters in the screen buffer, which makes it possible to 295actual wide characters in the screen buffer, which makes it possible to
304 299
305=item B<-bc>|B<+bc> 300=item B<-bc>|B<+bc>
306 301
307Blink the cursor; resource B<cursorBlink>. 302Blink the cursor; resource B<cursorBlink>.
308 303
304=item B<-uc>|B<+uc>
305
306Make the cursor underlined; resource B<cursorUnderline>.
307
309=item B<-iconic> 308=item B<-iconic>
310 309
311Start iconified, if the window manager supports that option. 310Start iconified, if the window manager supports that option.
312Alternative form is B<-ic>. 311Alternative form is B<-ic>.
313 312
329 328
330=item B<-bl> 329=item B<-bl>
331 330
332Compile 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.
333if 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
334decorations; resource B<borderLess>. 333decorations; resource B<borderLess>. If the window manager does not
334support MWM hints (e.g. kwin), enables override-redirect mode.
335 335
336=item B<-override-redirect> 336=item B<-override-redirect>
337 337
338Compile I<frills>: Sets override-redirect on the window; resource 338Compile I<frills>: Sets override-redirect on the window; resource
339B<override-redirect>. 339B<override-redirect>.
347 347
348=item B<-lsp> I<number> 348=item B<-lsp> I<number>
349 349
350Compile I<frills>: Lines (pixel height) to insert between each row of 350Compile I<frills>: Lines (pixel height) to insert between each row of
351the display. Useful to work around font rendering problems; resource 351the display. Useful to work around font rendering problems; resource
352B<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>.
353 360
354=item B<-tn> I<termname> 361=item B<-tn> I<termname>
355 362
356This 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
357B<TERM> environment variable. This terminal type must exist in the 364B<TERM> environment variable. This terminal type must exist in the
412 419
413=item B<-tcw> 420=item B<-tcw>
414 421
415Change the meaning of triple-click selection with the left mouse 422Change the meaning of triple-click selection with the left mouse
416button. Only effective when the original (non-perl) selection code is 423button. Only effective when the original (non-perl) selection code is
417in-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
418end of the logical line only. resource B<tripleclickwords>. 425the end of the logical line only. resource B<tripleclickwords>.
419 426
420=item B<-insecure> 427=item B<-insecure>
421 428
422Enable "insecure" mode, which currently enables most of the escape 429Enable "insecure" mode, which currently enables most of the escape
423sequences that echo strings. See the resource B<insecure> for more 430sequences that echo strings. See the resource B<insecure> for more
443 450
444Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 451Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
445will not immediately destroy its window when the program executed within 452will not immediately destroy its window when the program executed within
446it 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
447user; 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.
448 474
449=item B<-keysym.>I<sym> I<string> 475=item B<-keysym.>I<sym> I<string>
450 476
451Remap a key symbol. See resource B<keysym>. 477Remap a key symbol. See resource B<keysym>.
452 478
487If 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
488entries 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
489yourself if you want that. 515yourself if you want that.
490 516
491As an extremely special case, specifying C<-1> will completely suppress 517As an extremely special case, specifying C<-1> will completely suppress
492pty/tty operations. 518pty/tty operations, which is probably only useful in conjunction with some
519perl extension that manages the terminal.
493 520
494Here 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
495longer example is in F<doc/pty-fd>): 522longer example is in F<doc/pty-fd>):
496 523
497 use IO::Pty; 524 use IO::Pty;
511Comma-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
512this terminal instance. See resource B<perl-ext> for details. 539this terminal instance. See resource B<perl-ext> for details.
513 540
514=back 541=back
515 542
516=head1 RESOURCES (available also as long-options) 543=head1 RESOURCES
517 544
518Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 545Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
519options) compiled into your version. 546options) compiled into your version. All resources are also available as
547long-options.
520 548
521You 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
522distribution do also load settings from the B<~/.Xresources> file when X 550distribution do also load settings from the B<~/.Xresources> file when X
523starts. @@RXVT_NAME@@ will consult the following files/resources in order, 551starts. @@RXVT_NAME@@ will consult the following files/resources in order,
524with later settings overwriting earlier ones: 552with later settings overwriting earlier ones:
525 553
526 1. system-wide app-defaults file, either locale-dependent OR global
527 2. app-defaults file in $XAPPLRESDIR 554 1. app-defaults file in $XAPPLRESDIR
555 2. $HOME/.Xdefaults
528 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 556 3. RESOURCE_MANAGER property on root-window of screen 0
529 4. SCREEN_RESOURCES for the current screen 557 4. SCREEN_RESOURCES property on root-window of the current screen
530 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 558 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
559 6. resources specified via -xrm on the commandline
531 560
532Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 561Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
533names: 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
534common 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
535configured, while the class name B<URxvt> allows resources unique to 564configured, while the class name B<URxvt> allows resources unique to
545=item B<depth:> I<bitdepth> 574=item B<depth:> I<bitdepth>
546 575
547Compile 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;
548option B<-depth>. 577option B<-depth>.
549 578
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
550=item B<geometry:> I<geom> 586=item B<geometry:> I<geom>
551 587
552Create the window with the specified X window geometry [default 80x24]; 588Create the window with the specified X window geometry [default 80x24];
553option B<-geometry>. 589option B<-geometry>.
554 590
567Use 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
568corresponds to low-intensity (normal) colours and 8-15 corresponds to 604corresponds to low-intensity (normal) colours and 8-15 corresponds to
569high-intensity (bold = bright foreground, blink = bright background) 605high-intensity (bold = bright foreground, blink = bright background)
570colours. 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,
5713=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
572names used are listed in the B<COLORS AND GRAPHICS> section. 608names used are listed in the B<COLOURS AND GRAPHICS> section.
573 609
574Colours 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
575changed using an escape command (see @@RXVT_NAME@@(7)). 611changed using an escape command (see @@RXVT_NAME@@(7)).
576 612
577Colours 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
588=item B<colorUL:> I<colour> 624=item B<colorUL:> I<colour>
589 625
590Use the specified colour to display underlined characters when the 626Use the specified colour to display underlined characters when the
591foreground colour is the default. 627foreground colour is the default.
592 628
593=item B<colorRV:> I<colour>
594
595Use the specified colour as the background for reverse video characters
596when OPTION_HC is disabled (--disable-frills).
597
598=item B<underlineColor:> I<colour> 629=item B<underlineColor:> I<colour>
599 630
600If set, use the specified colour as the colour for the underline 631If set, use the specified colour as the colour for the underline
601itself. 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.
602 643
603=item B<cursorColor:> I<colour> 644=item B<cursorColor:> I<colour>
604 645
605Use 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
606foreground colour; option B<-cr>. 647foreground colour; option B<-cr>.
613 654
614=item B<reverseVideo:> I<boolean> 655=item B<reverseVideo:> I<boolean>
615 656
616B<True>: simulate reverse video by foreground and background colours; 657B<True>: simulate reverse video by foreground and background colours;
617option B<-rv>. B<False>: regular screen colours [default]; option 658option B<-rv>. B<False>: regular screen colours [default]; option
618B<+rv>. See note in B<COLORS AND GRAPHICS> section. 659B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
619 660
620=item B<jumpScroll:> I<boolean> 661=item B<jumpScroll:> I<boolean>
621 662
622B<True>: specify that jump scrolling should be used. When receiving lots 663B<True>: specify that jump scrolling should be used. When receiving lots
623of 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
637 678
638B<False>: specify that everything is to be displayed, even 679B<False>: specify that everything is to be displayed, even
639if 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
640monitor to display anything); option B<+ss>. 681monitor to display anything); option B<+ss>.
641 682
642=item B<inheritPixmap:> I<boolean> 683=item B<transparent:> I<boolean>
643 684
644B<True>: make the background inherit the parent windows' pixmap, giving 685Turn on/off pseudo-transparency by using the root pixmap as background.
645artificial transparency. B<False>: do not inherit the parent windows'
646pixmap.
647 686
648I<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
649the author. Don't bug him with installation questions!> 688future versions.
650 689
651=item B<fading:> I<number> 690=item B<fading:> I<number>
652 691
653Fade 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>.
654 693
657Fade 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
658colour is black; option B<-fadecolor>. 697colour is black; option B<-fadecolor>.
659 698
660=item B<tintColor:> I<colour> 699=item B<tintColor:> I<colour>
661 700
662Tint the transparent background pixmap with the given colour; option 701Tint the transparent background with the given colour. If the RENDER
663B<-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>.
664 706
665=item B<shading:> I<number> 707=item B<shading:> I<number>
666 708
667Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 709Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
668in addition to tinting it; option B<-sh>. 710A value of 100 means no shading; option B<-sh>.
669
670=item B<blendType:> I<string>
671
672Specify background blending type; option B<-blt>.
673 711
674=item B<blurRadius:> I<number> 712=item B<blurRadius:> I<number>
675 713
676Apply Gaussian Blurr with the specified radius to the transparent 714Apply gaussian blur with the specified radius to the transparent
677background image; option B<-blr>. 715background; option B<-blr>.
716
717=item B<iconFile:> I<file>
718
719Set the application icon pixmap; option B<-icon>.
678 720
679=item B<scrollColor:> I<colour> 721=item B<scrollColor:> I<colour>
680 722
681Use the specified colour for the scrollbar [default #B2B2B2]. 723Use the specified colour for the scrollbar [default #B2B2B2].
682 724
688=item B<borderColor:> I<colour> 730=item B<borderColor:> I<colour>
689 731
690The 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
691and the text. 733and the text.
692 734
693=item B<backgroundPixmap:> I<file[;geom]> 735=item B<backgroundPixmap:> I<file[;oplist]>
694 736
695Use the specified image file for the background and also optionally 737Use the specified image file for the background and also
696specify its scaling with a geometry string B<WxH+X+Y>, 738optionally specify a colon separated list of operations to modify it.
697in 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
698and B<"X" / "Y"> locate the image centre (percent). 746scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
699A scale of 0 displays the image with tiling. A scale of 1 displays the 747scale of 0 disables scaling.
700image without any scaling. A scale of 2 to 9 specifies an integer 748
701number of images in that direction. No image will be magnified beyond 749=item B<op=tile>
70210 times its original size. The maximum permitted scale is 1000. 750
703Special string of B<"auto"> used as a geometry will cause image to be 751enables tiling
704automatically 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
705If used in conjunction with B<-tr> option - specified pixmap will be 797If used in conjunction with B<-tr> option, the specified pixmap will be
706blended over transparency image using either alpha-blending, or any 798blended over the transparent background using alpha-blending.
707other blending type, specified with B<-blt "type"> option.
708[default 0x0+50+50]
709 799
710=item B<path:> I<path> 800=item B<path:> I<path>
711 801
712Specify the colon-delimited search path for finding XPM files. 802Specify the colon-delimited search path for finding background image files.
713 803
714=item B<font:> I<fontlist> 804=item B<font:> I<fontlist>
715 805
716Select 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
717that 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
740it 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
741wide and 15 pixels high. 831wide and 15 pixels high.
742 832
743The 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
744the base font, likewise the third, which is unfortunately non-bold, but 834the base font, likewise the third, which is unfortunately non-bold, but
745the 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
746useful supplement. 836useful supplement.
747 837
748The 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
749are 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
750contains other characters, but we are not interested in them. 840contains other characters, but we are not interested in them.
774text font will being used for the given style. 864text font will being used for the given style.
775 865
776=item B<intensityStyles:> I<boolean> 866=item B<intensityStyles:> I<boolean>
777 867
778When 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>,
779option B<-is>, the default), bold and italic font styles imply high 869option B<-is>, the default), bold/blink font styles imply high
780intensity foreground/background colours. Disabling this option (B<False>, 870intensity foreground/background colours. Disabling this option (B<False>,
781option B<+is>) disables this behaviour, the high intensity colours are not 871option B<+is>) disables this behaviour, the high intensity colours are not
782reachable. 872reachable.
783 873
784=item B<selectstyle:> I<mode>
785
786Set mouse selection style to B<old> which is 2.20, B<oldword> which
787is xterm style with 2.20 old word selection, or anything else which
788gives xterm style selection. Only effective when the original (non-perl)
789selection code is in use.
790
791=item B<scrollstyle:> I<mode>
792
793Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
794the author's favourite.
795
796=item B<title:> I<string> 874=item B<title:> I<string>
797 875
798Set window title string, the default title is the command-line 876Set window title string, the default title is the command-line
799specified after the B<-e> option, if any, otherwise the application 877specified after the B<-e> option, if any, otherwise the application
800name; option B<-title>. 878name; option B<-title>.
813=item B<urgentOnBell:> I<boolean> 891=item B<urgentOnBell:> I<boolean>
814 892
815B<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.
816B<False>: do not set the urgency hint [default]. 894B<False>: do not set the urgency hint [default].
817 895
896@@RXVT_NAME@@ resets the urgency hint on every focus change.
897
818=item B<visualBell:> I<boolean> 898=item B<visualBell:> I<boolean>
819 899
820B<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>.
821B<False>: no visual bell [default]; option B<+vb>. 901B<False>: no visual bell [default]; option B<+vb>.
822 902
845 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 925 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
846 926
847This 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
848every time you hit C<Print>. 928every time you hit C<Print>.
849 929
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
850=item B<scrollBar:> I<boolean> 939=item B<scrollBar:> I<boolean>
851 940
852B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 941B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
853disable the scrollbar; option B<+sb>. 942disable the scrollbar; option B<+sb>.
854 943
873B<False>: do not scroll to bottom when tty receives output; option 962B<False>: do not scroll to bottom when tty receives output; option
874B<+si>. 963B<+si>.
875 964
876=item B<scrollWithBuffer:> I<boolean> 965=item B<scrollWithBuffer:> I<boolean>
877 966
878B<True>: scroll with scrollback buffer when tty receives new lines (and 967B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
879B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 968try to show the same lines) and B<scrollTtyOutput> is False; option
880with 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>.
881 971
882=item B<scrollTtyKeypress:> I<boolean> 972=item B<scrollTtyKeypress:> I<boolean>
883 973
884B<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
885are those which are intercepted by rxvt-unicode for special handling and 975are those which are intercepted by rxvt-unicode for special handling and
916=item B<termName:> I<termname> 1006=item B<termName:> I<termname>
917 1007
918Specifies 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
919variable; option B<-tn>. 1009variable; option B<-tn>.
920 1010
921=item B<linespace:> I<number> 1011=item B<lineSpace:> I<number>
922 1012
923Specifies number of lines (pixel height) to insert between each row of 1013Specifies number of lines (pixel height) to insert between each row of
924the display [default 0]; option B<-lsp>. 1014the display [default 0]; option B<-lsp>.
925 1015
926=item B<meta8:> I<boolean> 1016=item B<meta8:> I<boolean>
940 1030
941=item B<cursorBlink:> I<boolean> 1031=item B<cursorBlink:> I<boolean>
942 1032
943B<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];
944option 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>.
945 1040
946=item B<pointerBlank:> I<boolean> 1041=item B<pointerBlank:> I<boolean>
947 1042
948B<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
949of seconds of inactivity. B<False>: the pointer is always visible 1044of seconds of inactivity. B<False>: the pointer is always visible
963large number (e.g. C<987654321>) to effectively disable the timeout. 1058large number (e.g. C<987654321>) to effectively disable the timeout.
964 1059
965=item B<backspacekey:> I<string> 1060=item B<backspacekey:> I<string>
966 1061
967The 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>
968or 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>
969(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
970escape sequence. 1065escape sequence.
971 1066
972=item B<deletekey:> I<string> 1067=item B<deletekey:> I<string>
973 1068
986will 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.
987 1082
988When 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
989be used. If not specified, the built-in default is used: 1084be used. If not specified, the built-in default is used:
990 1085
991B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1086B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
992 1087
993=item B<preeditType:> I<style> 1088=item B<preeditType:> I<style>
994 1089
995B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1090B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
996 1091
1052 1147
1053=item B<secondaryScroll:> I<boolean> 1148=item B<secondaryScroll:> I<boolean>
1054 1149
1055Turn on/off secondary screen scroll (default enabled). If this 1150Turn on/off secondary screen scroll (default enabled). If this
1056option is enabled, scrolls on the secondary screen will change the 1151option is enabled, scrolls on the secondary screen will change the
1057scrollback buffer and switching to/from the secondary screen will 1152scrollback buffer and, when secondaryScreen is off, switching
1058instead scroll the screen up. 1153to/from the secondary screen will instead scroll the screen up.
1059 1154
1060=item B<hold>: I<boolean> 1155=item B<hold>: I<boolean>
1061 1156
1062Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1157Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1063will not immediately destroy its window when the program executed within 1158will not immediately destroy its window when the program executed within
1064it 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
1065user. 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>.
1066 1168
1067=item B<keysym.>I<sym>: I<string> 1169=item B<keysym.>I<sym>: I<string>
1068 1170
1069Compile I<frills>: Associate I<string> with keysym I<sym>. The 1171Compile I<frills>: Associate I<string> with keysym I<sym>. The
1070intervening resource name B<keysym.> cannot be omitted. 1172intervening resource name B<keysym.> cannot be omitted.
1084searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1186searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1085omitting 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
1086keysym 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
1087performed in an exact manner; however, the closest match is assured. 1189performed in an exact manner; however, the closest match is assured.
1088 1190
1089I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1191I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1090C<\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.
1091C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1092C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1093can start or end with whitespace. B<This feature is deprecated and will
1094be removed>.
1095 1193
1096Please note that you need to double the C<\> in resource files, as
1097Xlib itself does its own de-escaping (you can use C<\033> instead of
1098C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1099processing).
1100
1101You 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>
1102with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1196with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1103should be a character not used by the strings. 1197should be a character not used by the strings.
1104 1198
1105Its usage can be demonstrated by an example: 1199Its usage can be demonstrated by an example:
1106 1200
1107 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1201 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1108 1202
1109The above line is equivalent to the following three lines: 1203The above line is equivalent to the following three lines:
1110 1204
1111 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1205 URxvt.keysym.Meta-Control-0x61: \033<a>
1112 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1206 URxvt.keysym.Meta-Control-0x62: \033<b>
1113 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1207 URxvt.keysym.Meta-Control-0x63: \033<c>
1114 1208
1115If 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>
1116is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1210is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1117example 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>
1118when Control-Meta-c is being pressed": 1212when Control-Meta-c is being pressed":
1119 1213
1120 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
1121 1215
1122If 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>
1123is 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)
1124manpage. For example, the F<selection> extension (activated via 1218manpage. For example, the F<selection> extension (activated via
1125C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1219C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1126 1220
1127 URxvt.keysym.M-C-c: perl:selection:rot13 1221 URxvt.keysym.M-C-c: perl:selection:rot13
1128 1222
1129Due the the large number of modifier combinations, a defined key mapping 1223Due the the large number of modifier combinations, a defined key mapping
1130will 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
1131no 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
1132means that defining a key map for C<a> will automatically provide 1226means that defining a key map for C<a> will automatically provide
1133definitions 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
1134mappings themselves. 1228mappings themselves.
1135 1229
1186all instances, while B<perl-ext> is used for specific instances. 1280all instances, while B<perl-ext> is used for specific instances.
1187 1281
1188=item B<perl-eval>: I<string> 1282=item B<perl-eval>: I<string>
1189 1283
1190Perl code to be evaluated when all extensions have been registered. See 1284Perl code to be evaluated when all extensions have been registered. See
1191the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1285the @@RXVT_NAME@@perl(3) manpage.
1192will be ignored when running setuid/setgid.
1193 1286
1194=item B<perl-lib>: I<path> 1287=item B<perl-lib>: I<path>
1195 1288
1196Colon-separated list of additional directories that hold extension 1289Colon-separated list of additional directories that hold extension
1197scripts. When looking for extensions specified by the C<perl> resource, 1290scripts. When looking for perl extensions, @@RXVT_NAME@@ will first look
1198@@RXVT_NAME@@ will first look in these directories and then in 1291in these directories, then in C<$RXVT_PERL_LIB>, F<$HOME/.urxvt/ext> and
1199F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1292lastly in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1200will be ignored when running setuid/setgid.
1201 1293
1202See the @@RXVT_NAME@@perl(3) manpage. 1294See the @@RXVT_NAME@@perl(3) manpage.
1203 1295
1204=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1296=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1205 1297
1227 1319
1228=item B<override-redirect>: I<boolean> 1320=item B<override-redirect>: I<boolean>
1229 1321
1230Compile I<frills>: Sets override-redirect for the terminal window, making 1322Compile I<frills>: Sets override-redirect for the terminal window, making
1231it 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).
1232 1328
1233=item B<iso14755_52:> I<boolean> 1329=item B<iso14755_52:> I<boolean>
1234 1330
1235Turn on/off ISO 14755 5.2 mode (default enabled). 1331Turn on/off ISO 14755 5.2 mode (default enabled).
1236 1332
1379B<@@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
1380it 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
1381allow 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
1382on 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.
1383 1479
1384=head1 COLORS AND GRAPHICS 1480=head1 COLOURS AND GRAPHICS
1385 1481
1386In addition to the default foreground and background colours, 1482In addition to the default foreground and background colours,
1387B<@@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
1388high-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
1389colours 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.
1390 1489
1391=begin table 1490=begin table
1392 1491
1393 B<color0> (black) = Black 1492 B<color0> (black) = Black
1394 B<color1> (red) = Red3 1493 B<color1> (red) = Red3
1414It is also possible to specify the colour values of B<foreground>, 1513It is also possible to specify the colour values of B<foreground>,
1415B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1514B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1416a 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
1417color0-color15. 1516color0-color15.
1418 1517
1419In addition to the colours defined above, @@RXVT_NAME@@ offers an 1518The following text gives values for the standard 88 colour mode (and
1420additional 72 colours. The first 64 of those (with indices 16 to 79) 1519values for the 256 colour mode in parentheses).
1421consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
142216>), followed by 8 additional shades of gray (with indices 80 to 87).
1423 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
1424Together, all those colours implement the 88 colour xterm colours. Only 1530Together, all those colours implement the 88 (256) colour xterm
1425the first 16 can be changed using resources currently, the rest can only 1531colours. Only the first 16 can be changed using resources currently, the
1426be 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...).
1427 1536
1428Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1537Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1429always swapping the foreground/background colours. This is in contrast to 1538always swapping the foreground/background colours. This is in contrast to
1430I<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
1431been specified. For example, 1540been specified. For example,
1432 1541
1433=over 4
1434
1435=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1542 @@RXVT_NAME@@ -fg Black -bg White -rv
1436 1543
1437would 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
1438on White. 1545White.
1439
1440=back
1441 1546
1442=head2 ALPHA CHANNEL SUPPORT 1547=head2 ALPHA CHANNEL SUPPORT
1443 1548
1444If 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
1445their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1550their act together, rxvt-unicode will do its own alpha channel management:
1446(recommended, but B<MUST> have 4 digits/component) colour specifications, 1551
1447in 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
1448specifies opacity (alpha) values. The minimum value of C<0> is completely 1563(alpha) values. The minimum value of C<0000> is completely transparent,
1449transparent). You can also prefix any color with C<[percent]>, where 1564while C<ffff> is completely opaque). The two example colours from
1450C<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
1451the color, where C<0> is completely transparent and C<100> is completelxy 1566C<rgba:0000/ff00/0000/f332>.
1452opaque.
1453 1567
1454You 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
1455your 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
1456ARGB 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.
1457 1572
1458For example, the following selects an almost completely transparent red 1573For example, the following selects an almost completely transparent black
1459background, and an almost opaque pink foreground: 1574background, and an almost opaque pink foreground:
1460 1575
1461 @@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"
1462 1577
1463I<Please note that transparency of any kind if completely unsupported by 1578When not using a background image, then the interpretation of the
1464the 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.
1465 1592
1466=head1 ENVIRONMENT 1593=head1 ENVIRONMENT
1467 1594
1468B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1595B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1469 1596
1475resources or on the command line. 1602resources or on the command line.
1476 1603
1477=item B<COLORTERM> 1604=item B<COLORTERM>
1478 1605
1479Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1606Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1480compiled with XPM support, and optionally with the added extension 1607compiled with background image support, and optionally with the added
1481C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1608extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1609screen.
1482 1610
1483=item B<COLORFGBG> 1611=item B<COLORFGBG>
1484 1612
1485Set 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
1486the colour code used as default foreground/text colour (or the string 1614the colour code used as default foreground/text colour (or the string
1487C<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
1488used), 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
1489string 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@@
1490was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1618was compiled with background image support. Libraries like C<ncurses>
1491(and do) use this information to optimize screen output. 1619and C<slang> can (and do) use this information to optimize screen output.
1492 1620
1493=item B<WINDOWID> 1621=item B<WINDOWID>
1494 1622
1495Set 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
1496window, which usually has subwindows for the scrollbar, the terminal 1624window, which usually has subwindows for the scrollbar, the terminal
1502C<--with-terminfo=PATH>. 1630C<--with-terminfo=PATH>.
1503 1631
1504=item B<DISPLAY> 1632=item B<DISPLAY>
1505 1633
1506Used 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
1507display 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.
1508 1637
1509=item B<SHELL> 1638=item B<SHELL>
1510 1639
1511The 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>.
1512 1641
1513=item B<RXVT_SOCKET> 1642=item B<RXVT_SOCKET> [I<sic>]
1514 1643
1515The unix domain socket path used by @@RXVT_NAME@@c(1) and 1644The unix domain socket path used by @@RXVT_NAME@@c(1) and
1516@@RXVT_NAME@@d(1). 1645@@RXVT_NAME@@d(1).
1517 1646
1518Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1647Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1648
1649=item B<RXVT_PERL_LIB> [I<sic>]
1650
1651Additional F<:>-separated library search path for perl extensions. Will be
1652searched after B<-perl-lib> but before F<~/.urxvt/ext> and the system library
1653directory.
1519 1654
1520=item B<HOME> 1655=item B<HOME>
1521 1656
1522Used to locate the default directory for the unix domain socket for 1657Used to locate the default directory for the unix domain socket for
1523daemon communications and to locate various resource files (such as 1658daemon communications and to locate various resource files (such as
1524C<.Xdefaults>) 1659C<.Xdefaults>)
1525 1660
1526=item B<XAPPLRESDIR> 1661=item B<XAPPLRESDIR>
1527 1662
1528Directory where various X resource files are being located. 1663Directory where application-specific X resource files are located.
1529 1664
1530=item B<XENVIRONMENT> 1665=item B<XENVIRONMENT>
1531 1666
1532If set and accessible, gives the name of a X resource file to be loaded by 1667If set and accessible, gives the name of a X resource file to be loaded by
1533@@RXVT_NAME@@. 1668@@RXVT_NAME@@.
1538 1673
1539=over 4 1674=over 4
1540 1675
1541=item B</usr/lib/X11/rgb.txt> 1676=item B</usr/lib/X11/rgb.txt>
1542 1677
1543Color names. 1678Colour names.
1544 1679
1545=back 1680=back
1546 1681
1547=head1 SEE ALSO 1682=head1 SEE ALSO
1548 1683
1587Project Coordinator (changes.txt 2.21a to 2.4.5) 1722Project Coordinator (changes.txt 2.21a to 2.4.5)
1588 1723
1589=item Geoff Wing L<< <gcw@pobox.com> >> 1724=item Geoff Wing L<< <gcw@pobox.com> >>
1590 1725
1591Rewrote screen display and text selection routines. 1726Rewrote screen display and text selection routines.
1592 1727
1593Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1728Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1594 1729
1595=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1730=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1596 1731
1597Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1732Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1599 1734
1600Project Coordinator (Changes 1.0 -) 1735Project Coordinator (Changes 1.0 -)
1601 1736
1602=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1737=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1603 1738
1604Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1739pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1605 1740
1606=back 1741=back
1607 1742

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