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Revision 1.127 by ayin, Wed May 2 23:06:32 2007 UTC vs.
Revision 1.185 by sf-exg, Mon Oct 4 07:18:23 2010 UTC

12emulator intended as an I<xterm>(1) replacement for users who do not 12emulator intended as an I<xterm>(1) replacement for users who do not
13require features such as Tektronix 4014 emulation and toolkit-style 13require features such as Tektronix 4014 emulation and toolkit-style
14configurability. As a result, B<rxvt-unicode> uses much less swap space -- 14configurability. As a result, B<rxvt-unicode> uses much less swap space --
15a significant advantage on a machine serving many X sessions. 15a significant advantage on a machine serving many X sessions.
16 16
17This document is also available on the World-Wide-Web at
18L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod>.
19
17=head1 FREQUENTLY ASKED QUESTIONS 20=head1 FREQUENTLY ASKED QUESTIONS
18 21
19See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of 22See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of
20frequently asked questions and answer to them and some common 23frequently asked questions and answer to them and some common
21problems. That document is also accessible on the World-Wide-Web at 24problems. That document is also accessible on the World-Wide-Web at
22L<http://cvs.schmorp.de/browse/rxvt-unicode/doc/rxvt.7.html>. 25L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.
23 26
24=head1 RXVT-UNICODE VS. RXVT 27=head1 RXVT-UNICODE VS. RXVT
25 28
26Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode 29Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode
27internally. That means it can store and display most scripts in the 30internally. That means it can store and display most scripts in the
28world. Being a terminal emulator, however, some things are very difficult, 31world. Being a terminal emulator, however, some things are very difficult,
29especially cursive scripts such as arabic, vertically written scripts 32especially cursive scripts such as arabic, vertically written scripts
30like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devenagari. Don't expect pretty output when using these 34like tibetan or devanagari. Don't expect pretty output when using these
32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 35scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
33fine, though. A somewhat difficult case are right-to-left scripts, such 36fine, though. A somewhat difficult case are right-to-left scripts, such
34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 37as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
35belong into the application, not the terminal emulator (too many things -- 38belong in the application, not the terminal emulator (too many things --
36such as cursor-movement while editing -- break otherwise), but that might 39such as cursor-movement while editing -- break otherwise), but that might
37change. 40change.
38 41
39If you are looking for a terminal that supports more exotic scripts, let 42If you are looking for a terminal that supports more exotic scripts, let
40me recommend C<mlterm>, which is a very user friendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
89 92
90Print out a message describing available options. 93Print out a message describing available options.
91 94
92=item B<-display> I<displayname> 95=item B<-display> I<displayname>
93 96
94Attempt to open a window on the named X display (B<-d> still 97Attempt to open a window on the named X display (the older form B<-d>
95respected). In the absence of this option, the display specified by the 98is still respected. but deprecated). In the absence of this option, the
96B<DISPLAY> environment variable is used. 99display specified by the B<DISPLAY> environment variable is used.
97 100
98=item B<-depth> I<bitdepth> 101=item B<-depth> I<bitdepth>
99 102
100Compile I<xft>: Attempt to find a visual with the given bit depth; 103Compile I<xft>: Attempt to find a visual with the given bit depth;
101resource B<depth>. 104resource B<depth>.
102 105
106[Please note that many X servers (and libXft) are buggy with
107respect to C<-depth 32> and/or alpha channels, and will cause all sorts
108of graphical corruption. This is harmless, but we can't do anything about
109this, so watch out]
110
103=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
104 112
105Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
106 114
107=item B<-rv>|B<+rv> 115=item B<-rv>|B<+rv>
108 116
109Turn on/off simulated reverse video; resource B<reverseVideo>. 117Turn on/off simulated reverse video; resource B<reverseVideo>.
110 118
111=item B<-j>|B<+j> 119=item B<-j>|B<+j>
112 120
113Turn on/off jump scrolling; resource B<jumpScroll>. 121Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
114 122
115=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 123=item B<-ss>|B<+ss>
116 124
117Turn on/off inheriting parent window's pixmap. Alternative form is 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118B<-tr>; resource B<inheritPixmap>.
119 126
120I<Please note that transparency of any kind if completely unsupported by 127=item B<-tr>|B<+tr>
121the author. Don't bug him with installation questions! Read the FAQ (man 7 128
122@@RXVT_NAME@@)!> 129Turn on/off illusion of a transparent window background; resource B<transparent>.
130
131B<-ip> is still accepted as an obsolete alias but will be removed in
132future versions.
133
134I<Please address all transparency related issues to Sasha Vasko at
135sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
123 136
124=item B<-fade> I<number> 137=item B<-fade> I<number>
125 138
126Fade the text by the given percentage when focus is lost. Small values 139Fade the text by the given percentage when focus is lost. Small values
127fade a little only, 100 completely replaces all colours by the fade 140fade a little only, 100 completely replaces all colours by the fade
133is opaque black. resource B<fadeColor>. 146is opaque black. resource B<fadeColor>.
134 147
135=item B<-tint> I<colour> 148=item B<-tint> I<colour>
136 149
137Tint the transparent background pixmap with the given colour when 150Tint the transparent background pixmap with the given colour when
138transparency is enabled with B<-tr> or B<-ip>. This only works for 151transparency is enabled with B<-tr>. This only works for
139non-tiled backgrounds, currently. See also the B<-sh> option that can be 152non-tiled backgrounds, currently. See also the B<-sh> option that can be
140used to brighten or darken the image in addition to tinting it; resource 153used to brighten or darken the image in addition to tinting it.
154Please note that certain tint colours can be applied on the server-side,
155thus yielding performance gain of two orders of magnitude. These colours are:
156blue, red, green, cyan, magenta, yellow, and those close to them. Also
157pure black and pure white colours essentially mean no tinting; resource
141I<tintColor>. Example: 158I<tintColor>. Example:
142 159
143 @@RXVT_NAME@@ -tr -tint blue -sh 40 160 @@RXVT_NAME@@ -tr -tint blue -sh 40
144 161
145=item B<-sh> 162=item B<-sh> I<number>
146 163
147I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 164Darken (0 .. 100) or lighten (100 .. 200) the transparent
148background image in addition to tinting it (i.e. B<-tint> must be 165background image in addition to (or instead of) tinting it;
149specified, too, e.g. C<-tint white>); resource I<shading>. 166resource I<shading>.
167
168=item B<-blt> I<string>
169
170Specify background blending type. If background pixmap is specified
171at the same time as transparency - such pixmap will be blended over
172transparency image, using method specified. Supported values are :
173B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
174B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
175B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
176alpha-blending. Compile I<afterimage>; resource I<blendType>.
177
178=item B<-blr> I<HxV>
179
180Apply Gaussian Blur with the specified radii to the transparent
181background image. If single number is specified - both vertical and
182horizontal radii are considered to be the same. Setting one of the
183radii to 1 and another to a large number creates interesting effects
184on some backgrounds. Maximum radius value is 128. Compile I<afterimage>;
185resource I<blurRadius>.
186
187=item B<-icon> I<file>
188
189Compile I<afterimage> or I<pixbuf>: Use the specified image as application icon. This
190is used by many window managers, taskbars and pagers to represent the
191application window; resource I<iconFile>.
150 192
151=item B<-bg> I<colour> 193=item B<-bg> I<colour>
152 194
153Window background colour; resource B<background>. 195Window background colour; resource B<background>.
154 196
155=item B<-fg> I<colour> 197=item B<-fg> I<colour>
156 198
157Window foreground colour; resource B<foreground>. 199Window foreground colour; resource B<foreground>.
158 200
159=item B<-pixmap> I<file[;geom]> 201=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
160 202
161Compile I<XPM>: Specify XPM file for the background and also optionally 203Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
162specify its scaling with a geometry string. Note you may need to 204optionally specify its scaling with a geometry string. Note you may need to
163add quotes to avoid special shell interpretation of the C<;> in the 205add quotes to avoid special shell interpretation of the C<;> in the
164command-line; resource B<backgroundPixmap>. 206command-line; for more details see resource B<backgroundPixmap>.
165 207
166=item B<-cr> I<colour> 208=item B<-cr> I<colour>
167 209
168The cursor colour; resource B<cursorColor>. 210The cursor colour; resource B<cursorColor>.
169 211
214italic> >> characters are to be printed. See resource B<boldItalicFont> 256italic> >> characters are to be printed. See resource B<boldItalicFont>
215for details. 257for details.
216 258
217=item B<-is>|B<+is> 259=item B<-is>|B<+is>
218 260
219Compile I<font-styles>: Bold/Italic font styles imply high intensity 261Compile I<font-styles>: Bold/Blink font styles imply high intensity
220foreground/background (default). See resource B<intensityStyles> for 262foreground/background (default). See resource B<intensityStyles> for
221details. 263details.
222 264
223=item B<-name> I<name> 265=item B<-name> I<name>
224 266
242 284
243=item B<-sb>|B<+sb> 285=item B<-sb>|B<+sb>
244 286
245Turn on/off scrollbar; resource B<scrollBar>. 287Turn on/off scrollbar; resource B<scrollBar>.
246 288
289=item B<-sr>|B<+sr>
290
291Put scrollbar on right/left; resource B<scrollBar_right>.
292
293=item B<-st>|B<+st>
294
295Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
296resource B<scrollBar_floating>.
297
247=item B<-si>|B<+si> 298=item B<-si>|B<+si>
248 299
249Turn on/off scroll-to-bottom on TTY output inhibit; resource 300Turn on/off scroll-to-bottom on TTY output inhibit; resource
250B<scrollTtyOutput> has opposite effect. 301B<scrollTtyOutput> has opposite effect.
251 302
257=item B<-sw>|B<+sw> 308=item B<-sw>|B<+sw>
258 309
259Turn on/off scrolling with the scrollback buffer as new lines appear. 310Turn on/off scrolling with the scrollback buffer as new lines appear.
260This only takes effect if B<-si> is also given; resource 311This only takes effect if B<-si> is also given; resource
261B<scrollWithBuffer>. 312B<scrollWithBuffer>.
262
263=item B<-sr>|B<+sr>
264
265Put scrollbar on right/left; resource B<scrollBar_right>.
266
267=item B<-st>|B<+st>
268
269Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
270resource B<scrollBar_floating>.
271 313
272=item B<-ptab>|B<+ptab> 314=item B<-ptab>|B<+ptab>
273 315
274If enabled (default), "Horizontal Tab" characters are being stored as 316If enabled (default), "Horizontal Tab" characters are being stored as
275actual wide characters in the screen buffer, which makes it possible to 317actual wide characters in the screen buffer, which makes it possible to
279 321
280=item B<-bc>|B<+bc> 322=item B<-bc>|B<+bc>
281 323
282Blink the cursor; resource B<cursorBlink>. 324Blink the cursor; resource B<cursorBlink>.
283 325
326=item B<-uc>|B<+uc>
327
328Make the cursor underlined; resource B<cursorUnderline>.
329
284=item B<-iconic> 330=item B<-iconic>
285 331
286Start iconified, if the window manager supports that option. 332Start iconified, if the window manager supports that option.
287Alternative form is B<-ic>. 333Alternative form is B<-ic>.
288 334
304 350
305=item B<-bl> 351=item B<-bl>
306 352
307Compile I<frills>: Set MWM hints to request a borderless window, i.e. 353Compile I<frills>: Set MWM hints to request a borderless window, i.e.
308if honoured by the WM, the rxvt-unicode window will not have window 354if honoured by the WM, the rxvt-unicode window will not have window
309decorations; resource B<borderLess>. 355decorations; resource B<borderLess>. If the window manager does not
356support MWM hints (e.g. kwin), enables override-redirect mode.
310 357
311=item B<-override-redirect> 358=item B<-override-redirect>
312 359
313Compile I<frills>: Sets override-redirect on the window; resource 360Compile I<frills>: Sets override-redirect on the window; resource
314B<override-redirect>. 361B<override-redirect>.
322 369
323=item B<-lsp> I<number> 370=item B<-lsp> I<number>
324 371
325Compile I<frills>: Lines (pixel height) to insert between each row of 372Compile I<frills>: Lines (pixel height) to insert between each row of
326the display. Useful to work around font rendering problems; resource 373the display. Useful to work around font rendering problems; resource
327B<linespace>. 374B<lineSpace>.
375
376=item B<-letsp> I<number>
377
378Compile I<frills>: Amount to adjust the computed character width by
379to control overall letter spacing. Negative values will tighten up the
380letter spacing, positive values will space letters out more. Useful to
381work around odd font metrics; resource B<letterSpace>.
328 382
329=item B<-tn> I<termname> 383=item B<-tn> I<termname>
330 384
331This option specifies the name of the terminal type to be set in the 385This option specifies the name of the terminal type to be set in the
332B<TERM> environment variable. This terminal type must exist in the 386B<TERM> environment variable. This terminal type must exist in the
386for more info. 440for more info.
387 441
388=item B<-tcw> 442=item B<-tcw>
389 443
390Change the meaning of triple-click selection with the left mouse 444Change the meaning of triple-click selection with the left mouse
445button. Only effective when the original (non-perl) selection code is
391button. Instead of selecting a full line it will extend the selection the 446in-use. Instead of selecting a full line it will extend the selection to
392end of the logical line only. resource B<tripleclickwords>. 447the end of the logical line only. resource B<tripleclickwords>.
393 448
394=item B<-insecure> 449=item B<-insecure>
395 450
396Enable "insecure" mode, which currently enables most of the escape 451Enable "insecure" mode, which currently enables most of the escape
397sequences that echo strings. See the resource B<insecure> for more 452sequences that echo strings. See the resource B<insecure> for more
417 472
418Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 473Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
419will not immediately destroy its window when the program executed within 474will not immediately destroy its window when the program executed within
420it exits. Instead, it will wait till it is being killed or closed by the 475it exits. Instead, it will wait till it is being killed or closed by the
421user; resource B<hold>. 476user; resource B<hold>.
477
478=item B<-cd> I<path>
479
480Sets the working directory for the shell (or the command specified via
481B<-e>). The I<path> must be an absolute path and it must exist for
482@@RXVT_NAME@@ to start; resource B<chdir>.
483
484=item B<-xrm> I<string>
485
486Works like the X Toolkit option of the same name, by adding the I<string>
487as if it were specified in a resource file. Resource values specified this
488way take precedence over all other resource specifications.
489
490Note that you need to use the I<same> syntax as in the .Xdefaults file,
491e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
492options can be specified as long-options on the commandline, so use
493of B<-xrm> is mostly limited to cases where you want to specify other
494resources (e.g. for input methods) or for compatibility with other
495programs.
422 496
423=item B<-keysym.>I<sym> I<string> 497=item B<-keysym.>I<sym> I<string>
424 498
425Remap a key symbol. See resource B<keysym>. 499Remap a key symbol. See resource B<keysym>.
426 500
461If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 535If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
462entries and will not tinker with pty/tty permissions - you have to do that 536entries and will not tinker with pty/tty permissions - you have to do that
463yourself if you want that. 537yourself if you want that.
464 538
465As an extremely special case, specifying C<-1> will completely suppress 539As an extremely special case, specifying C<-1> will completely suppress
466pty/tty operations. 540pty/tty operations, which is probably only useful in conjunction with some
541perl extension that manages the terminal.
467 542
468Here is a example in perl that illustrates how this option can be used (a 543Here is a example in perl that illustrates how this option can be used (a
469longer example is in F<doc/pty-fd>): 544longer example is in F<doc/pty-fd>):
470 545
471 use IO::Pty; 546 use IO::Pty;
485Comma-separated list of perl extension scripts to use (or not to use) in 560Comma-separated list of perl extension scripts to use (or not to use) in
486this terminal instance. See resource B<perl-ext> for details. 561this terminal instance. See resource B<perl-ext> for details.
487 562
488=back 563=back
489 564
490=head1 RESOURCES (available also as long-options) 565=head1 RESOURCES
491 566
492Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 567Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
493options) compiled into your version. 568options) compiled into your version. All resources are also available as
569long-options.
494 570
495You can set and change the resources using X11 tools like B<xrdb>. Many 571You can set and change the resources using X11 tools like B<xrdb>. Many
496distribution do also load settings from the B<~/.Xresources> file when X 572distribution do also load settings from the B<~/.Xresources> file when X
497starts. @@RXVT_NAME@@ will consult the following files/resources in order, 573starts. @@RXVT_NAME@@ will consult the following files/resources in order,
498with later settings overwriting earlier ones: 574with later settings overwriting earlier ones:
500 1. system-wide app-defaults file, either locale-dependent OR global 576 1. system-wide app-defaults file, either locale-dependent OR global
501 2. app-defaults file in $XAPPLRESDIR 577 2. app-defaults file in $XAPPLRESDIR
502 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 578 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
503 4. SCREEN_RESOURCES for the current screen 579 4. SCREEN_RESOURCES for the current screen
504 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 580 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
581 6. resources specified via -xrm on the commandline
505 582
506Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 583Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
507names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 584names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
508common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 585common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
509configured, while the class name B<URxvt> allows resources unique to 586configured, while the class name B<URxvt> allows resources unique to
519=item B<depth:> I<bitdepth> 596=item B<depth:> I<bitdepth>
520 597
521Compile I<xft>: Attempt to find a visual with the given bit depth; 598Compile I<xft>: Attempt to find a visual with the given bit depth;
522option B<-depth>. 599option B<-depth>.
523 600
601=item B<buffered:> I<boolean>
602
603Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
604On some card/driver combination enabling it slightly decreases
605performance, on most it greatly helps it. The slowdown is small, so it
606should normally be enabled.
607
524=item B<geometry:> I<geom> 608=item B<geometry:> I<geom>
525 609
526Create the window with the specified X window geometry [default 80x24]; 610Create the window with the specified X window geometry [default 80x24];
527option B<-geometry>. 611option B<-geometry>.
528 612
541Use the specified colour for the colour value I<n>, where 0-7 625Use the specified colour for the colour value I<n>, where 0-7
542corresponds to low-intensity (normal) colours and 8-15 corresponds to 626corresponds to low-intensity (normal) colours and 8-15 corresponds to
543high-intensity (bold = bright foreground, blink = bright background) 627high-intensity (bold = bright foreground, blink = bright background)
544colours. The canonical names are as follows: 0=black, 1=red, 2=green, 628colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5453=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6293=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
546names used are listed in the B<COLORS AND GRAPHICS> section. 630names used are listed in the B<COLOURS AND GRAPHICS> section.
547 631
548Colours higher than 15 cannot be set using resources (yet), but can be 632Colours higher than 15 cannot be set using resources (yet), but can be
549changed using an escape command (see @@RXVT_NAME@@(7)). 633changed using an escape command (see @@RXVT_NAME@@(7)).
550 634
551Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 635Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
562=item B<colorUL:> I<colour> 646=item B<colorUL:> I<colour>
563 647
564Use the specified colour to display underlined characters when the 648Use the specified colour to display underlined characters when the
565foreground colour is the default. 649foreground colour is the default.
566 650
567=item B<colorRV:> I<colour>
568
569Use the specified colour as the background for reverse video characters
570when OPTION_HC is disabled (--disable-frills).
571
572=item B<underlineColor:> I<colour> 651=item B<underlineColor:> I<colour>
573 652
574If set, use the specified colour as the colour for the underline 653If set, use the specified colour as the colour for the underline
575itself. If unset, use the foreground colour. 654itself. If unset, use the foreground colour.
655
656=item B<highlightColor:> I<colour>
657
658If set, use the specified colour as the background for highlighted
659characters. If unset, use reverse video.
660
661=item B<highlightTextColor:> I<colour>
662
663If set and highlightColor is set, use the specified colour as the
664foreground for highlighted characters.
576 665
577=item B<cursorColor:> I<colour> 666=item B<cursorColor:> I<colour>
578 667
579Use the specified colour for the cursor. The default is to use the 668Use the specified colour for the cursor. The default is to use the
580foreground colour; option B<-cr>. 669foreground colour; option B<-cr>.
587 676
588=item B<reverseVideo:> I<boolean> 677=item B<reverseVideo:> I<boolean>
589 678
590B<True>: simulate reverse video by foreground and background colours; 679B<True>: simulate reverse video by foreground and background colours;
591option B<-rv>. B<False>: regular screen colours [default]; option 680option B<-rv>. B<False>: regular screen colours [default]; option
592B<+rv>. See note in B<COLORS AND GRAPHICS> section. 681B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
593 682
594=item B<jumpScroll:> I<boolean> 683=item B<jumpScroll:> I<boolean>
595 684
596B<True>: specify that jump scrolling should be used. When scrolling 685B<True>: specify that jump scrolling should be used. When receiving lots
597quickly, fewer screen updates are performed [default]; option B<-j>. 686of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
687has been read, resulting in fewer updates while still displaying every
688received line; option B<-j>.
689
598B<False>: specify that smooth scrolling should be used; option B<+j>. 690B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
691force a screen refresh on each new line it received; option B<+j>.
599 692
600=item B<inheritPixmap:> I<boolean> 693=item B<skipScroll:> I<boolean>
601 694
602B<True>: make the background inherit the parent windows' pixmap, giving 695B<True>: (the default) specify that skip scrolling should be used. When
603artificial transparency. B<False>: do not inherit the parent windows' 696receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
604pixmap. 697(around 60 times per second), resulting in far fewer updates. This can
698result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
699option B<-ss>.
605 700
606I<Please note that transparency of any kind if completely unsupported by 701B<False>: specify that everything is to be displayed, even
607the author. Don't bug him with installation questions!> 702if the refresh is too fast for the human eye to read anything (or the
703monitor to display anything); option B<+ss>.
704
705=item B<transparent:> I<boolean>
706
707Turn on/off illusion of a transparent window background.
708
709B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
710future versions.
711
712I<Please address all transparency related issues to Sasha Vasko at
713sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
608 714
609=item B<fading:> I<number> 715=item B<fading:> I<number>
610 716
611Fade the text by the given percentage when focus is lost; option B<-fade>. 717Fade the text by the given percentage when focus is lost; option B<-fade>.
612 718
623=item B<shading:> I<number> 729=item B<shading:> I<number>
624 730
625Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 731Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image
626in addition to tinting it; option B<-sh>. 732in addition to tinting it; option B<-sh>.
627 733
734=item B<blendType:> I<string>
735
736Specify background blending type; option B<-blt>.
737
738=item B<blurRadius:> I<number>
739
740Apply gaussian blur with the specified radius to the transparent
741background image; option B<-blr>.
742
743=item B<iconFile:> I<file>
744
745Set the application icon pixmap; option B<-icon>.
746
628=item B<scrollColor:> I<colour> 747=item B<scrollColor:> I<colour>
629 748
630Use the specified colour for the scrollbar [default #B2B2B2]. 749Use the specified colour for the scrollbar [default #B2B2B2].
631 750
632=item B<troughColor:> I<colour> 751=item B<troughColor:> I<colour>
637=item B<borderColor:> I<colour> 756=item B<borderColor:> I<colour>
638 757
639The colour of the border around the text area and between the scrollbar 758The colour of the border around the text area and between the scrollbar
640and the text. 759and the text.
641 760
642=item B<backgroundPixmap:> I<file[;geom]> 761=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
643 762
644Use the specified XPM file (note the `.xpm' extension is optional) for 763Use the specified image file for the background and also
645the background and also optionally specify its scaling with a geometry 764optionally specify its scaling with a geometry string B<WxH+X+Y>,
646string B<WxH+X+Y>, in which B<"W" / "H"> specify the 765(default C<100x100+50+50>) in which B<"W" / "H"> specify the
647horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 766horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
648centre (percent). A scale of 0 displays the image with tiling. A scale 767centre (percent). A scale of 0 displays the image with tiling.
649of 1 displays the image without any scaling. A scale of 2 to 9 768The maximum permitted scale is 1000.
650specifies an integer number of images in that direction. No image will 769Additional operations can be specified after colon B<:op1:op2...>.
651be magnified beyond 10 times its original size. The maximum permitted 770Supported operations are:
652scale is 1000. [default 0x0+50+50] 771
772 tile force background image to be tiled and not scaled. Equivalent to 0x0
773 propscale will scale image keeping proportions
774 auto will scale image to match window size. Equivalent to 100x100
775 hscale will scale image horizontally to the window size
776 vscale will scale image vertically to the window size
777 scale will scale image to match window size
778 root will tile image as if it was a root window background, auto-adjusting
779 whenever terminal window moves
780
781If used in conjunction with B<-tr> option, the specified pixmap will be
782blended over transparency image using either alpha-blending, or any
783other blending type, specified with B<-blt "type"> option.
653 784
654=item B<path:> I<path> 785=item B<path:> I<path>
655 786
656Specify the colon-delimited search path for finding XPM files. 787Specify the colon-delimited search path for finding background image files.
657 788
658=item B<font:> I<fontlist> 789=item B<font:> I<fontlist>
659 790
660Select the fonts to be used. This is a comma separated list of font names 791Select the fonts to be used. This is a comma separated list of font names
661that are checked in order when trying to find glyphs for characters. The 792that are checked in order when trying to find glyphs for characters. The
684it is named first) and thus defines the character cell grid to be 9 pixels 815it is named first) and thus defines the character cell grid to be 9 pixels
685wide and 15 pixels high. 816wide and 15 pixels high.
686 817
687The second font is just used to add additional unicode characters not in 818The second font is just used to add additional unicode characters not in
688the base font, likewise the third, which is unfortunately non-bold, but 819the base font, likewise the third, which is unfortunately non-bold, but
689the bold version of the font does contain less characters, so this is a 820the bold version of the font does contain fewer characters, so this is a
690useful supplement. 821useful supplement.
691 822
692The third font is an Xft font with aliasing turned off, and the characters 823The third font is an Xft font with aliasing turned off, and the characters
693are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 824are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
694contains other characters, but we are not interested in them. 825contains other characters, but we are not interested in them.
718text font will being used for the given style. 849text font will being used for the given style.
719 850
720=item B<intensityStyles:> I<boolean> 851=item B<intensityStyles:> I<boolean>
721 852
722When font styles are not enabled, or this option is enabled (B<True>, 853When font styles are not enabled, or this option is enabled (B<True>,
723option B<-is>, the default), bold and italic font styles imply high 854option B<-is>, the default), bold/blink font styles imply high
724intensity foreground/background colours. Disabling this option (B<False>, 855intensity foreground/background colours. Disabling this option (B<False>,
725option B<+is>) disables this behaviour, the high intensity colours are not 856option B<+is>) disables this behaviour, the high intensity colours are not
726reachable. 857reachable.
727 858
728=item B<selectstyle:> I<mode>
729
730Set mouse selection style to B<old> which is 2.20, B<oldword> which is
731xterm style with 2.20 old word selection, or anything else which gives
732xterm style selection.
733
734=item B<scrollstyle:> I<mode>
735
736Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
737the author's favourite.
738
739=item B<title:> I<string> 859=item B<title:> I<string>
740 860
741Set window title string, the default title is the command-line 861Set window title string, the default title is the command-line
742specified after the B<-e> option, if any, otherwise the application 862specified after the B<-e> option, if any, otherwise the application
743name; option B<-title>. 863name; option B<-title>.
756=item B<urgentOnBell:> I<boolean> 876=item B<urgentOnBell:> I<boolean>
757 877
758B<True>: set the urgency hint for the wm on receipt of a bell character. 878B<True>: set the urgency hint for the wm on receipt of a bell character.
759B<False>: do not set the urgency hint [default]. 879B<False>: do not set the urgency hint [default].
760 880
881@@RXVT_NAME@@ resets the urgency hint on every focus change.
882
761=item B<visualBell:> I<boolean> 883=item B<visualBell:> I<boolean>
762 884
763B<True>: use visual bell on receipt of a bell character; option B<-vb>. 885B<True>: use visual bell on receipt of a bell character; option B<-vb>.
764B<False>: no visual bell [default]; option B<+vb>. 886B<False>: no visual bell [default]; option B<+vb>.
765 887
787 909
788 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 910 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
789 911
790This creates a new file in your home directory with the screen contents 912This creates a new file in your home directory with the screen contents
791every time you hit C<Print>. 913every time you hit C<Print>.
914
915=item B<scrollstyle:> I<mode>
916
917Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
918the author's favourite.
792 919
793=item B<scrollBar:> I<boolean> 920=item B<scrollBar:> I<boolean>
794 921
795B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 922B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
796disable the scrollbar; option B<+sb>. 923disable the scrollbar; option B<+sb>.
859=item B<termName:> I<termname> 986=item B<termName:> I<termname>
860 987
861Specifies the terminal type name to be set in the B<TERM> environment 988Specifies the terminal type name to be set in the B<TERM> environment
862variable; option B<-tn>. 989variable; option B<-tn>.
863 990
864=item B<linespace:> I<number> 991=item B<lineSpace:> I<number>
865 992
866Specifies number of lines (pixel height) to insert between each row of 993Specifies number of lines (pixel height) to insert between each row of
867the display [default 0]; option B<-lsp>. 994the display [default 0]; option B<-lsp>.
868 995
869=item B<meta8:> I<boolean> 996=item B<meta8:> I<boolean>
883 1010
884=item B<cursorBlink:> I<boolean> 1011=item B<cursorBlink:> I<boolean>
885 1012
886B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1013B<True>: blink the cursor. B<False>: do not blink the cursor [default];
887option B<-bc>. 1014option B<-bc>.
1015
1016=item B<cursorUnderline:> I<boolean>
1017
1018B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1019option B<-uc>.
888 1020
889=item B<pointerBlank:> I<boolean> 1021=item B<pointerBlank:> I<boolean>
890 1022
891B<True>: blank the pointer when a key is pressed or after a set number 1023B<True>: blank the pointer when a key is pressed or after a set number
892of seconds of inactivity. B<False>: the pointer is always visible 1024of seconds of inactivity. B<False>: the pointer is always visible
906large number (e.g. C<987654321>) to effectively disable the timeout. 1038large number (e.g. C<987654321>) to effectively disable the timeout.
907 1039
908=item B<backspacekey:> I<string> 1040=item B<backspacekey:> I<string>
909 1041
910The string to send when the backspace key is pressed. If set to B<DEC> 1042The string to send when the backspace key is pressed. If set to B<DEC>
911or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1043or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
912(code 8) - which can be reversed with the appropriate DEC private mode 1044(code 8) - which can be reversed with the appropriate DEC private mode
913escape sequence. 1045escape sequence.
914 1046
915=item B<deletekey:> I<string> 1047=item B<deletekey:> I<string>
916 1048
921=item B<cutchars:> I<string> 1053=item B<cutchars:> I<string>
922 1054
923The characters used as delimiters for double-click word selection 1055The characters used as delimiters for double-click word selection
924(whitespace delimiting is added automatically if resource is given). 1056(whitespace delimiting is added automatically if resource is given).
925 1057
926When the selection extension is in use (the default if compiled in, see 1058When the perl selection extension is in use (the default if compiled
927the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these characters 1059in, see the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these
928will be created (if the resource exists, otherwise, no regex will be 1060characters will be created (if the resource exists, otherwise, no regex
929created). In this mode, characters outside ISO-8859-1 can be used. 1061will be created). In this mode, characters outside ISO-8859-1 can be used.
930 1062
931When the selection extension is not used, only ISO-8859-1 characters can 1063When the selection extension is not used, only ISO-8859-1 characters can
932be used. If not specified, the built-in default is used: 1064be used. If not specified, the built-in default is used:
933 1065
934B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1066B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
935 1067
936=item B<preeditType:> I<style> 1068=item B<preeditType:> I<style>
937 1069
938B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1070B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
939 1071
995 1127
996=item B<secondaryScroll:> I<boolean> 1128=item B<secondaryScroll:> I<boolean>
997 1129
998Turn on/off secondary screen scroll (default enabled). If this 1130Turn on/off secondary screen scroll (default enabled). If this
999option is enabled, scrolls on the secondary screen will change the 1131option is enabled, scrolls on the secondary screen will change the
1000scrollback buffer and switching to/from the secondary screen will 1132scrollback buffer and, when secondaryScreen is off, switching
1001instead scroll the screen up. 1133to/from the secondary screen will instead scroll the screen up.
1002 1134
1003=item B<hold>: I<boolean> 1135=item B<hold>: I<boolean>
1004 1136
1005Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1137Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1006will not immediately destroy its window when the program executed within 1138will not immediately destroy its window when the program executed within
1007it exits. Instead, it will wait till it is being killed or closed by the 1139it exits. Instead, it will wait till it is being killed or closed by the
1008user. 1140user.
1141
1142=item B<chdir>: I<path>
1143
1144Sets the working directory for the shell (or the command specified via
1145B<-e>). The I<path> must be an absolute path and it must exist for
1146@@RXVT_NAME@@ to start. If it isn't specified then the current working
1147directory will be used; option B<-cd>.
1009 1148
1010=item B<keysym.>I<sym>: I<string> 1149=item B<keysym.>I<sym>: I<string>
1011 1150
1012Compile I<frills>: Associate I<string> with keysym I<sym>. The 1151Compile I<frills>: Associate I<string> with keysym I<sym>. The
1013intervening resource name B<keysym.> cannot be omitted. 1152intervening resource name B<keysym.> cannot be omitted.
1027searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1166searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1028omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1167omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1029keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1168keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1030performed in an exact manner; however, the closest match is assured. 1169performed in an exact manner; however, the closest match is assured.
1031 1170
1032I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1171I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1033C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1172number), see RESOURCES in C<man 7 X> for further details.
1034C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1035C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1036can start or end with whitespace. B<This feature is deprecated and will
1037be removed>.
1038
1039Please note that you need to double the C<\> in resource files, as
1040Xlib itself does its own de-escaping (you can use C<\033> instead of
1041C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1042processing).
1043 1173
1044You can define a range of keysyms in one shot by providing a I<string> 1174You can define a range of keysyms in one shot by providing a I<string>
1045with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1175with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1046should be a character not used by the strings. 1176should be a character not used by the strings.
1047 1177
1061when Control-Meta-c is being pressed": 1191when Control-Meta-c is being pressed":
1062 1192
1063 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1193 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1064 1194
1065If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1195If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1066is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1196is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1067manpage. For example, the F<selection> extension (activated via 1197manpage. For example, the F<selection> extension (activated via
1068C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1198C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1069 1199
1070 URxvt.keysym.M-C-c: perl:selection:rot13 1200 URxvt.keysym.M-C-c: perl:selection:rot13
1071 1201
1072Due the the large number of modifier combinations, a defined key mapping 1202Due the the large number of modifier combinations, a defined key mapping
1073will match if at I<at least> the specified identifiers are being set, and 1203will match if I<at least> the specified identifiers are being set, and
1074no other key mappings with those and more bits are being defined. That 1204no other key mappings with those and more bits are being defined. That
1075means that defining a key map for C<a> will automatically provide 1205means that defining a key map for C<a> will automatically provide
1076definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1206definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1077mappings themselves. 1207mappings themselves.
1078 1208
1129all instances, while B<perl-ext> is used for specific instances. 1259all instances, while B<perl-ext> is used for specific instances.
1130 1260
1131=item B<perl-eval>: I<string> 1261=item B<perl-eval>: I<string>
1132 1262
1133Perl code to be evaluated when all extensions have been registered. See 1263Perl code to be evaluated when all extensions have been registered. See
1134the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1264the @@RXVT_NAME@@perl(3) manpage.
1135will be ignored when running setuid/setgid.
1136 1265
1137=item B<perl-lib>: I<path> 1266=item B<perl-lib>: I<path>
1138 1267
1139Colon-separated list of additional directories that hold extension 1268Colon-separated list of additional directories that hold extension
1140scripts. When looking for extensions specified by the C<perl> resource, 1269scripts. When looking for extensions specified by the C<perl> resource,
1141@@RXVT_NAME@@ will first look in these directories and then in 1270@@RXVT_NAME@@ will first look in these directories and then in
1142F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1271F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1143will be ignored when running setuid/setgid.
1144 1272
1145See the @@RXVT_NAME@@perl(3) manpage. 1273See the @@RXVT_NAME@@perl(3) manpage.
1146 1274
1147=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1275=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1148 1276
1170 1298
1171=item B<override-redirect>: I<boolean> 1299=item B<override-redirect>: I<boolean>
1172 1300
1173Compile I<frills>: Sets override-redirect for the terminal window, making 1301Compile I<frills>: Sets override-redirect for the terminal window, making
1174it almost invisible to window managers; option B<-override-redirect>. 1302it almost invisible to window managers; option B<-override-redirect>.
1303
1304=item B<iso14755:> I<boolean>
1305
1306Turn on/off ISO 14755 (default enabled).
1307
1308=item B<iso14755_52:> I<boolean>
1309
1310Turn on/off ISO 14755 5.2 mode (default enabled).
1175 1311
1176=back 1312=back
1177 1313
1178=head1 THE SCROLLBAR 1314=head1 THE SCROLLBAR
1179 1315
1198application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~> 1334application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
1199(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the 1335(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
1200up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down), 1336up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down),
1201respectively. 1337respectively.
1202 1338
1203=head1 TEXT SELECTION AND INSERTION 1339=head1 THE SELECTION: SELECTING AND PASTING TEXT
1204 1340
1205The behaviour of text selection and insertion mechanism is similar to 1341The behaviour of text selection and insertion/pasting mechanism is similar
1206I<xterm>(1). 1342to I<xterm>(1).
1207 1343
1208=over 4 1344=over 4
1209 1345
1210=item B<Selection>: 1346=item B<Selecting>:
1211 1347
1212Left click at the beginning of the region, drag to the end of the region 1348Left click at the beginning of the region, drag to the end of the region
1213and release; Right click to extend the marked region; Left double-click 1349and release; Right click to extend the marked region; Left double-click
1214to select a word; Left triple-click to select the entire logical line 1350to select a word; Left triple-click to select the entire logical line
1215(which can span multiple screen lines), unless modified by resource 1351(which can span multiple screen lines), unless modified by resource
1219(Compile: I<frills>) will create a rectangular selection instead of a 1355(Compile: I<frills>) will create a rectangular selection instead of a
1220normal one. In this mode, every selected row becomes its own line in the 1356normal one. In this mode, every selected row becomes its own line in the
1221selection, and trailing whitespace is visually underlined and removed from 1357selection, and trailing whitespace is visually underlined and removed from
1222the selection. 1358the selection.
1223 1359
1224=item B<Insertion>: 1360=item B<Pasting>:
1225 1361
1226Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@> 1362Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
1227window causes the value of the PRIMARY selection (or CLIPBOARD with the 1363window causes the value of the PRIMARY selection (or CLIPBOARD with the
1228Meta modifier) to be inserted as if it had been typed on the keyboard. 1364B<Meta> modifier) to be inserted as if it had been typed on the keyboard.
1229 1365
1230Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be 1366Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
1231inserted too. 1367inserted too.
1232 1368
1233=back 1369=back
1250 1386
1251=head1 ISO 14755 SUPPORT 1387=head1 ISO 14755 SUPPORT
1252 1388
1253ISO 14755 is a standard for entering and viewing unicode characters 1389ISO 14755 is a standard for entering and viewing unicode characters
1254and character codes using the keyboard. It consists of 4 parts. The 1390and character codes using the keyboard. It consists of 4 parts. The
1255first part is available rxvt-unicode has been compiled with 1391first part is available if rxvt-unicode has been compiled with
1256C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1392C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1257with C<--enable-iso14755>. 1393with C<--enable-iso14755>.
1258 1394
1259=over 4 1395=over 4
1260 1396
1318B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1454B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1319it can be seen via the I<who(1)> command, and can accept messages. To 1455it can be seen via the I<who(1)> command, and can accept messages. To
1320allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1456allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1321on some systems or setgid to root or to some other group on others. 1457on some systems or setgid to root or to some other group on others.
1322 1458
1323=head1 COLORS AND GRAPHICS 1459=head1 COLOURS AND GRAPHICS
1324 1460
1325In addition to the default foreground and background colours, 1461In addition to the default foreground and background colours,
1326B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1462B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1327high-intensity bold/blink versions of the same). Here is a list of the 1463high-intensity (potentially bold/blink) versions of the same, and 72 (or
1328colours with their names. 1464240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1465cube plus a 8 (24) colour greyscale ramp.
1466
1467Here is a list of the ANSI colours with their names.
1329 1468
1330=begin table 1469=begin table
1331 1470
1332 B<color0> (black) = Black 1471 B<color0> (black) = Black
1333 B<color1> (red) = Red3 1472 B<color1> (red) = Red3
1353It is also possible to specify the colour values of B<foreground>, 1492It is also possible to specify the colour values of B<foreground>,
1354B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1493B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1355a number 0-15, as a convenient shorthand to reference the colour name of 1494a number 0-15, as a convenient shorthand to reference the colour name of
1356color0-color15. 1495color0-color15.
1357 1496
1358In addition to the colours defined above, @@RXVT_NAME@@ offers an 1497The following text gives values for the standard 88 colour mode (and
1359additional 72 colours. The first 64 of those (with indices 16 to 79) 1498values for the 256 colour mode in parentheses).
1360consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
136116>), followed by 8 additional shades of gray (with indices 80 to 87).
1362 1499
1500The RGB cube uses indices 16..79 (16..231) using the following formulas:
1501
1502 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1503 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1504
1505The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1506steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1507the RGB cube.
1508
1363Together, all those colours implement the 88 colour xterm colours. Only 1509Together, all those colours implement the 88 (256) colour xterm
1364the first 16 can be changed using resources currently, the rest can only 1510colours. Only the first 16 can be changed using resources currently, the
1365be changed via command sequences ("escape codes"). 1511rest can only be changed via command sequences ("escape codes").
1512
1513Applications are advised to use terminfo or command sequences to discover
1514number and RGB values of all colours (yes, you can query this...).
1366 1515
1367Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1516Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1368always swapping the foreground/background colours. This is in contrast to 1517always swapping the foreground/background colours. This is in contrast to
1369I<xterm>(1) where the colours are only swapped if they have not otherwise 1518I<xterm>(1) where the colours are only swapped if they have not otherwise
1370been specified. For example, 1519been specified. For example,
1371 1520
1372=over 4
1373
1374=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1521 @@RXVT_NAME@@ -fg Black -bg White -rv
1375 1522
1376would yield White on Black, while on I<xterm>(1) it would yield Black 1523would yield White on Black, while on I<xterm>(1) it would yield Black on
1377on White. 1524White.
1378
1379=back
1380 1525
1381=head2 ALPHA CHANNEL SUPPORT 1526=head2 ALPHA CHANNEL SUPPORT
1382 1527
1383If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1528If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1384their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1529their act together, rxvt-unicode will do it's own alpha channel management:
1385(recommended, but B<MUST> have 4 digits/component) colour specifications, 1530
1386in addition to the ones provided by X, where the additional A component 1531You can prefix any colour with an opaqueness percentage enclosed in
1532brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1533(0-100) that specifies the opacity of the colour, where C<0> is completely
1534transparent and C<100> is completely opaque. For example, C<[50]red> is a
1535half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1536is the recommended format to specify transparency values, and works with
1537all ways to specify a colour.
1538
1539For complete control, rxvt-unicode also supports
1540C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1541specifications, where the additional C<aaaa> component specifies opacity
1387specifies opacity (alpha) values. The minimum value of C<0> is completely 1542(alpha) values. The minimum value of C<0000> is completely transparent,
1388transparent). You can also prefix any color with C<[percent]>, where 1543while C<ffff> is completely opaque). The two example colours from
1389C<percent> is a decimal percentage (0-100) that specifies the opacity of 1544earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1390the color, where C<0> is completely transparent and C<100> is completelxy 1545C<rgba:0000/ff00/0000/f332>.
1391opaque.
1392 1546
1393You probably need to specify B<"-depth 32">, too, and have the luck that 1547You probably need to specify B<"-depth 32">, too, to force a visual with
1394your X-server uses ARGB pixel layout, as X is far from just supporting 1548alpha channels, and have the luck that your X-server uses ARGB pixel
1395ARGB visuals out of the box, and rxvt-unicode just fudges around. 1549layout, as X is far from just supporting ARGB visuals out of the box, and
1550rxvt-unicode just fudges around.
1396 1551
1397For example, the following selects an almost completely transparent red 1552For example, the following selects an almost completely transparent black
1398background, and an almost opaque pink foreground: 1553background, and an almost opaque pink foreground:
1399 1554
1400 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1555 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1401 1556
1402I<Please note that transparency of any kind if completely unsupported by 1557When not using a background image, then the interpretation of the
1403the author. Don't bug him with installation questions!> 1558alpha channel is up to your compositing manager (most interpret it as
1559transparency of course).
1560
1561When using a background pixmap or pseudo-transparency, then the background
1562colour will always behave as if it were completely transparent (so the
1563background image shows instead), regardless of how it was specified, while
1564other colours will either be transparent as specified (the background
1565image will show through) on servers supporting the RENDER extension, or
1566fully opaque on servers not supporting the RENDER EXTENSION.
1567
1568Please note that due to bugs in Xft, specifying alpha values might result
1569in garbage being displayed when the X-server does not support the RENDER
1570extension.
1404 1571
1405=head1 ENVIRONMENT 1572=head1 ENVIRONMENT
1406 1573
1407B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1574B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1408 1575
1414resources or on the command line. 1581resources or on the command line.
1415 1582
1416=item B<COLORTERM> 1583=item B<COLORTERM>
1417 1584
1418Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1585Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1419compiled with XPM support, and optionally with the added extension 1586compiled with background image support, and optionally with the added
1420C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1587extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1588screen.
1421 1589
1422=item B<COLORFGBG> 1590=item B<COLORFGBG>
1423 1591
1424Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1592Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1425the colour code used as default foreground/text colour (or the string 1593the colour code used as default foreground/text colour (or the string
1426C<default> to indicate that the default-colour escape sequence is to be 1594C<default> to indicate that the default-colour escape sequence is to be
1427used), C<bg> is the colour code used as default background colour (or the 1595used), C<bg> is the colour code used as default background colour (or the
1428string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1596string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1429was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1597was compiled with background image support. Libraries like C<ncurses>
1430(and do) use this information to optimize screen output. 1598and C<slang> can (and do) use this information to optimize screen output.
1431 1599
1432=item B<WINDOWID> 1600=item B<WINDOWID>
1433 1601
1434Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1602Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1435window, which usually has subwindows for the scrollbar, the terminal 1603window, which usually has subwindows for the scrollbar, the terminal
1441C<--with-terminfo=PATH>. 1609C<--with-terminfo=PATH>.
1442 1610
1443=item B<DISPLAY> 1611=item B<DISPLAY>
1444 1612
1445Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1613Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1446display in its child processes. 1614display in its child processes if C<-display> isn't used to override. It
1615defaults to C<:0> if it doesn't exist.
1447 1616
1448=item B<SHELL> 1617=item B<SHELL>
1449 1618
1450The shell to be used for command execution, defaults to C</bin/sh>. 1619The shell to be used for command execution, defaults to C</bin/sh>.
1451 1620
1477 1646
1478=over 4 1647=over 4
1479 1648
1480=item B</usr/lib/X11/rgb.txt> 1649=item B</usr/lib/X11/rgb.txt>
1481 1650
1482Color names. 1651Colour names.
1483 1652
1484=back 1653=back
1485 1654
1486=head1 SEE ALSO 1655=head1 SEE ALSO
1487 1656
1526Project Coordinator (changes.txt 2.21a to 2.4.5) 1695Project Coordinator (changes.txt 2.21a to 2.4.5)
1527 1696
1528=item Geoff Wing L<< <gcw@pobox.com> >> 1697=item Geoff Wing L<< <gcw@pobox.com> >>
1529 1698
1530Rewrote screen display and text selection routines. 1699Rewrote screen display and text selection routines.
1531 1700
1532Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1701Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1533 1702
1534=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1703=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1535 1704
1536Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1705Forked rxvt-unicode, unicode support, rewrote almost all the code, perl

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