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Revision 1.132 by root, Mon Jun 18 13:38:12 2007 UTC vs.
Revision 1.212 by sf-exg, Sun Jan 1 14:31:28 2012 UTC

12emulator intended as an I<xterm>(1) replacement for users who do not 12emulator intended as an I<xterm>(1) replacement for users who do not
13require features such as Tektronix 4014 emulation and toolkit-style 13require features such as Tektronix 4014 emulation and toolkit-style
14configurability. As a result, B<rxvt-unicode> uses much less swap space -- 14configurability. As a result, B<rxvt-unicode> uses much less swap space --
15a significant advantage on a machine serving many X sessions. 15a significant advantage on a machine serving many X sessions.
16 16
17This document is also available on the World-Wide-Web at
18L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod>.
19
17=head1 FREQUENTLY ASKED QUESTIONS 20=head1 FREQUENTLY ASKED QUESTIONS
18 21
19See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of 22See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of
20frequently asked questions and answer to them and some common 23frequently asked questions and answer to them and some common
21problems. That document is also accessible on the World-Wide-Web at 24problems. That document is also accessible on the World-Wide-Web at
22L<http://cvs.schmorp.de/browse/rxvt-unicode/doc/rxvt.7.html>. 25L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.
23 26
24=head1 RXVT-UNICODE VS. RXVT 27=head1 RXVT-UNICODE VS. RXVT
25 28
26Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode 29Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode
27internally. That means it can store and display most scripts in the 30internally. That means it can store and display most scripts in the
28world. Being a terminal emulator, however, some things are very difficult, 31world. Being a terminal emulator, however, some things are very difficult,
29especially cursive scripts such as arabic, vertically written scripts 32especially cursive scripts such as arabic, vertically written scripts
30like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devenagari. Don't expect pretty output when using these 34like tibetan or devanagari. Don't expect pretty output when using these
32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 35scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
33fine, though. A somewhat difficult case are right-to-left scripts, such 36fine, though. A somewhat difficult case are right-to-left scripts, such
34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 37as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
35belong into the application, not the terminal emulator (too many things -- 38belong in the application, not the terminal emulator (too many things --
36such as cursor-movement while editing -- break otherwise), but that might 39such as cursor-movement while editing -- break otherwise), but that might
37change. 40change.
38 41
39If you are looking for a terminal that supports more exotic scripts, let 42If you are looking for a terminal that supports more exotic scripts, let
40me recommend C<mlterm>, which is a very user friendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
89 92
90Print out a message describing available options. 93Print out a message describing available options.
91 94
92=item B<-display> I<displayname> 95=item B<-display> I<displayname>
93 96
94Attempt to open a window on the named X display (B<-d> still 97Attempt to open a window on the named X display (the older form B<-d>
95respected). In the absence of this option, the display specified by the 98is still respected. but deprecated). In the absence of this option, the
96B<DISPLAY> environment variable is used. 99display specified by the B<DISPLAY> environment variable is used.
97 100
98=item B<-depth> I<bitdepth> 101=item B<-depth> I<bitdepth>
99 102
100Compile I<xft>: Attempt to find a visual with the given bit depth; 103Compile I<xft>: Attempt to find a visual with the given bit depth;
101resource B<depth>. 104resource B<depth>.
102 105
106[Please note that many X servers (and libXft) are buggy with
107respect to C<-depth 32> and/or alpha channels, and will cause all sorts
108of graphical corruption. This is harmless, but we can't do anything about
109this, so watch out]
110
103=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
104 112
105Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
106 114
107=item B<-rv>|B<+rv> 115=item B<-rv>|B<+rv>
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; resource
145I<tintColor>. Example:
146 149
147 @@RXVT_NAME@@ -tr -tint blue -sh 40
148
149=item B<-sh> I<number> 150=item B<-sh> I<number>
150 151
151Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
152background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
153resource I<shading>.
154 154
155=item B<-blt> I<string> 155=item B<-blt> I<string>
156 156
157Specify background blending type. If background pixmap is specified 157Specify background blending type. If background pixmap is specified
158at the same time as transparency - such pixmap will be blended over 158at the same time as transparency - such pixmap will be blended over
159transparency image, using method specified. Supported values are : 159the transparent background, using the method specified. Supported values are:
160B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 160B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
162B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is 162B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
163alpha-blending; resource I<blendType>. 163alpha-blending. Compile I<afterimage>; resource I<blendType>.
164 164
165=item B<-blr> I<number> 165=item B<-blr> I<HxV>
166 166
167Apply Gaussian Blur with the specified radius to the transparent 167Apply Gaussian Blur with the specified radii to the transparent
168background image; resource I<blurRadius>. 168background. If a single number is specified, the vertical and
169horizontal radii are considered to be the same. Setting one of the
170radii to 1 and the other to a large number creates interesting effects
171on some backgrounds. The maximum radius value is 128. An horizontal or
172vertical radius of 0 disables blurring;
173resource I<blurRadius>.
174
175=item B<-icon> I<file>
176
177Compile I<afterimage> or I<pixbuf>: Use the specified image as application icon. This
178is used by many window managers, taskbars and pagers to represent the
179application window; resource I<iconFile>.
169 180
170=item B<-bg> I<colour> 181=item B<-bg> I<colour>
171 182
172Window background colour; resource B<background>. 183Window background colour; resource B<background>.
173 184
174=item B<-fg> I<colour> 185=item B<-fg> I<colour>
175 186
176Window foreground colour; resource B<foreground>. 187Window foreground colour; resource B<foreground>.
177 188
178=item B<-pixmap> I<file[;geom]> 189=item B<-pixmap> I<file[;oplist]>
179 190
180Compile I<afterimage>: Specify image file for the background and also 191Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
181optionally specify its scaling with a geometry string. Note you may need to 192optionally specify a list of operations to modify it. Note you may need to
182add quotes to avoid special shell interpretation of the C<;> in the 193add quotes to avoid special shell interpretation of the C<;> in the
183command-line; for more details see resource B<backgroundPixmap>. 194command-line; for more details see resource B<backgroundPixmap>.
184 195
185=item B<-cr> I<colour> 196=item B<-cr> I<colour>
186 197
233italic> >> characters are to be printed. See resource B<boldItalicFont> 244italic> >> characters are to be printed. See resource B<boldItalicFont>
234for details. 245for details.
235 246
236=item B<-is>|B<+is> 247=item B<-is>|B<+is>
237 248
238Compile I<font-styles>: Bold/Italic font styles imply high intensity 249Compile I<font-styles>: Bold/Blink font styles imply high intensity
239foreground/background (default). See resource B<intensityStyles> for 250foreground/background (default). See resource B<intensityStyles> for
240details. 251details.
241 252
242=item B<-name> I<name> 253=item B<-name> I<name>
243 254
261 272
262=item B<-sb>|B<+sb> 273=item B<-sb>|B<+sb>
263 274
264Turn on/off scrollbar; resource B<scrollBar>. 275Turn on/off scrollbar; resource B<scrollBar>.
265 276
277=item B<-sr>|B<+sr>
278
279Put scrollbar on right/left; resource B<scrollBar_right>.
280
281=item B<-st>|B<+st>
282
283Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
284resource B<scrollBar_floating>.
285
266=item B<-si>|B<+si> 286=item B<-si>|B<+si>
267 287
268Turn on/off scroll-to-bottom on TTY output inhibit; resource 288Turn on/off scroll-to-bottom on TTY output inhibit; resource
269B<scrollTtyOutput> has opposite effect. 289B<scrollTtyOutput> has opposite effect.
270 290
276=item B<-sw>|B<+sw> 296=item B<-sw>|B<+sw>
277 297
278Turn on/off scrolling with the scrollback buffer as new lines appear. 298Turn on/off scrolling with the scrollback buffer as new lines appear.
279This only takes effect if B<-si> is also given; resource 299This only takes effect if B<-si> is also given; resource
280B<scrollWithBuffer>. 300B<scrollWithBuffer>.
281
282=item B<-sr>|B<+sr>
283
284Put scrollbar on right/left; resource B<scrollBar_right>.
285
286=item B<-st>|B<+st>
287
288Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
289resource B<scrollBar_floating>.
290 301
291=item B<-ptab>|B<+ptab> 302=item B<-ptab>|B<+ptab>
292 303
293If enabled (default), "Horizontal Tab" characters are being stored as 304If enabled (default), "Horizontal Tab" characters are being stored as
294actual wide characters in the screen buffer, which makes it possible to 305actual wide characters in the screen buffer, which makes it possible to
298 309
299=item B<-bc>|B<+bc> 310=item B<-bc>|B<+bc>
300 311
301Blink the cursor; resource B<cursorBlink>. 312Blink the cursor; resource B<cursorBlink>.
302 313
314=item B<-uc>|B<+uc>
315
316Make the cursor underlined; resource B<cursorUnderline>.
317
303=item B<-iconic> 318=item B<-iconic>
304 319
305Start iconified, if the window manager supports that option. 320Start iconified, if the window manager supports that option.
306Alternative form is B<-ic>. 321Alternative form is B<-ic>.
307 322
323 338
324=item B<-bl> 339=item B<-bl>
325 340
326Compile I<frills>: Set MWM hints to request a borderless window, i.e. 341Compile I<frills>: Set MWM hints to request a borderless window, i.e.
327if honoured by the WM, the rxvt-unicode window will not have window 342if honoured by the WM, the rxvt-unicode window will not have window
328decorations; resource B<borderLess>. 343decorations; resource B<borderLess>. If the window manager does not
344support MWM hints (e.g. kwin), enables override-redirect mode.
329 345
330=item B<-override-redirect> 346=item B<-override-redirect>
331 347
332Compile I<frills>: Sets override-redirect on the window; resource 348Compile I<frills>: Sets override-redirect on the window; resource
333B<override-redirect>. 349B<override-redirect>.
341 357
342=item B<-lsp> I<number> 358=item B<-lsp> I<number>
343 359
344Compile I<frills>: Lines (pixel height) to insert between each row of 360Compile I<frills>: Lines (pixel height) to insert between each row of
345the display. Useful to work around font rendering problems; resource 361the display. Useful to work around font rendering problems; resource
346B<linespace>. 362B<lineSpace>.
363
364=item B<-letsp> I<number>
365
366Compile I<frills>: Amount to adjust the computed character width by
367to control overall letter spacing. Negative values will tighten up the
368letter spacing, positive values will space letters out more. Useful to
369work around odd font metrics; resource B<letterSpace>.
347 370
348=item B<-tn> I<termname> 371=item B<-tn> I<termname>
349 372
350This option specifies the name of the terminal type to be set in the 373This option specifies the name of the terminal type to be set in the
351B<TERM> environment variable. This terminal type must exist in the 374B<TERM> environment variable. This terminal type must exist in the
406 429
407=item B<-tcw> 430=item B<-tcw>
408 431
409Change the meaning of triple-click selection with the left mouse 432Change the meaning of triple-click selection with the left mouse
410button. Only effective when the original (non-perl) selection code is 433button. Only effective when the original (non-perl) selection code is
411in-use. Instead of selecting a full line it will extend the selection the 434in-use. Instead of selecting a full line it will extend the selection to
412end of the logical line only. resource B<tripleclickwords>. 435the end of the logical line only. resource B<tripleclickwords>.
413 436
414=item B<-insecure> 437=item B<-insecure>
415 438
416Enable "insecure" mode, which currently enables most of the escape 439Enable "insecure" mode, which currently enables most of the escape
417sequences that echo strings. See the resource B<insecure> for more 440sequences that echo strings. See the resource B<insecure> for more
437 460
438Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 461Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
439will not immediately destroy its window when the program executed within 462will not immediately destroy its window when the program executed within
440it exits. Instead, it will wait till it is being killed or closed by the 463it exits. Instead, it will wait till it is being killed or closed by the
441user; resource B<hold>. 464user; resource B<hold>.
465
466=item B<-cd> I<path>
467
468Sets the working directory for the shell (or the command specified via
469B<-e>). The I<path> must be an absolute path and it must exist for
470@@RXVT_NAME@@ to start; resource B<chdir>.
471
472=item B<-xrm> I<string>
473
474Works like the X Toolkit option of the same name, by adding the I<string>
475as if it were specified in a resource file. Resource values specified this
476way take precedence over all other resource specifications.
477
478Note that you need to use the I<same> syntax as in the .Xdefaults file,
479e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
480options can be specified as long-options on the commandline, so use
481of B<-xrm> is mostly limited to cases where you want to specify other
482resources (e.g. for input methods) or for compatibility with other
483programs.
442 484
443=item B<-keysym.>I<sym> I<string> 485=item B<-keysym.>I<sym> I<string>
444 486
445Remap a key symbol. See resource B<keysym>. 487Remap a key symbol. See resource B<keysym>.
446 488
481If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 523If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
482entries and will not tinker with pty/tty permissions - you have to do that 524entries and will not tinker with pty/tty permissions - you have to do that
483yourself if you want that. 525yourself if you want that.
484 526
485As an extremely special case, specifying C<-1> will completely suppress 527As an extremely special case, specifying C<-1> will completely suppress
486pty/tty operations. 528pty/tty operations, which is probably only useful in conjunction with some
529perl extension that manages the terminal.
487 530
488Here is a example in perl that illustrates how this option can be used (a 531Here is a example in perl that illustrates how this option can be used (a
489longer example is in F<doc/pty-fd>): 532longer example is in F<doc/pty-fd>):
490 533
491 use IO::Pty; 534 use IO::Pty;
505Comma-separated list of perl extension scripts to use (or not to use) in 548Comma-separated list of perl extension scripts to use (or not to use) in
506this terminal instance. See resource B<perl-ext> for details. 549this terminal instance. See resource B<perl-ext> for details.
507 550
508=back 551=back
509 552
510=head1 RESOURCES (available also as long-options) 553=head1 RESOURCES
511 554
512Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 555Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
513options) compiled into your version. 556options) compiled into your version. All resources are also available as
557long-options.
514 558
515You can set and change the resources using X11 tools like B<xrdb>. Many 559You can set and change the resources using X11 tools like B<xrdb>. Many
516distribution do also load settings from the B<~/.Xresources> file when X 560distribution do also load settings from the B<~/.Xresources> file when X
517starts. @@RXVT_NAME@@ will consult the following files/resources in order, 561starts. @@RXVT_NAME@@ will consult the following files/resources in order,
518with later settings overwriting earlier ones: 562with later settings overwriting earlier ones:
519 563
520 1. system-wide app-defaults file, either locale-dependent OR global
521 2. app-defaults file in $XAPPLRESDIR 564 1. app-defaults file in $XAPPLRESDIR
565 2. $HOME/.Xdefaults
522 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 566 3. RESOURCE_MANAGER property on root-window of screen 0
523 4. SCREEN_RESOURCES for the current screen 567 4. SCREEN_RESOURCES property on root-window of the current screen
524 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 568 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
569 6. resources specified via -xrm on the commandline
525 570
526Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 571Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
527names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 572names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
528common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 573common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
529configured, while the class name B<URxvt> allows resources unique to 574configured, while the class name B<URxvt> allows resources unique to
539=item B<depth:> I<bitdepth> 584=item B<depth:> I<bitdepth>
540 585
541Compile I<xft>: Attempt to find a visual with the given bit depth; 586Compile I<xft>: Attempt to find a visual with the given bit depth;
542option B<-depth>. 587option B<-depth>.
543 588
589=item B<buffered:> I<boolean>
590
591Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
592On some card/driver combination enabling it slightly decreases
593performance, on most it greatly helps it. The slowdown is small, so it
594should normally be enabled.
595
544=item B<geometry:> I<geom> 596=item B<geometry:> I<geom>
545 597
546Create the window with the specified X window geometry [default 80x24]; 598Create the window with the specified X window geometry [default 80x24];
547option B<-geometry>. 599option B<-geometry>.
548 600
561Use the specified colour for the colour value I<n>, where 0-7 613Use the specified colour for the colour value I<n>, where 0-7
562corresponds to low-intensity (normal) colours and 8-15 corresponds to 614corresponds to low-intensity (normal) colours and 8-15 corresponds to
563high-intensity (bold = bright foreground, blink = bright background) 615high-intensity (bold = bright foreground, blink = bright background)
564colours. The canonical names are as follows: 0=black, 1=red, 2=green, 616colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5653=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6173=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
566names used are listed in the B<COLORS AND GRAPHICS> section. 618names used are listed in the B<COLOURS AND GRAPHICS> section.
567 619
568Colours higher than 15 cannot be set using resources (yet), but can be 620Colours higher than 15 cannot be set using resources (yet), but can be
569changed using an escape command (see @@RXVT_NAME@@(7)). 621changed using an escape command (see @@RXVT_NAME@@(7)).
570 622
571Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 623Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
582=item B<colorUL:> I<colour> 634=item B<colorUL:> I<colour>
583 635
584Use the specified colour to display underlined characters when the 636Use the specified colour to display underlined characters when the
585foreground colour is the default. 637foreground colour is the default.
586 638
587=item B<colorRV:> I<colour>
588
589Use the specified colour as the background for reverse video characters
590when OPTION_HC is disabled (--disable-frills).
591
592=item B<underlineColor:> I<colour> 639=item B<underlineColor:> I<colour>
593 640
594If set, use the specified colour as the colour for the underline 641If set, use the specified colour as the colour for the underline
595itself. If unset, use the foreground colour. 642itself. If unset, use the foreground colour.
643
644=item B<highlightColor:> I<colour>
645
646If set, use the specified colour as the background for highlighted
647characters. If unset, use reverse video.
648
649=item B<highlightTextColor:> I<colour>
650
651If set and highlightColor is set, use the specified colour as the
652foreground for highlighted characters.
596 653
597=item B<cursorColor:> I<colour> 654=item B<cursorColor:> I<colour>
598 655
599Use the specified colour for the cursor. The default is to use the 656Use the specified colour for the cursor. The default is to use the
600foreground colour; option B<-cr>. 657foreground colour; option B<-cr>.
607 664
608=item B<reverseVideo:> I<boolean> 665=item B<reverseVideo:> I<boolean>
609 666
610B<True>: simulate reverse video by foreground and background colours; 667B<True>: simulate reverse video by foreground and background colours;
611option B<-rv>. B<False>: regular screen colours [default]; option 668option B<-rv>. B<False>: regular screen colours [default]; option
612B<+rv>. See note in B<COLORS AND GRAPHICS> section. 669B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
613 670
614=item B<jumpScroll:> I<boolean> 671=item B<jumpScroll:> I<boolean>
615 672
616B<True>: specify that jump scrolling should be used. When receiving lots 673B<True>: specify that jump scrolling should be used. When receiving lots
617of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines 674of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
631 688
632B<False>: specify that everything is to be displayed, even 689B<False>: specify that everything is to be displayed, even
633if the refresh is too fast for the human eye to read anything (or the 690if the refresh is too fast for the human eye to read anything (or the
634monitor to display anything); option B<+ss>. 691monitor to display anything); option B<+ss>.
635 692
636=item B<inheritPixmap:> I<boolean> 693=item B<transparent:> I<boolean>
637 694
638B<True>: make the background inherit the parent windows' pixmap, giving 695Turn on/off pseudo-transparency by using the root pixmap as background.
639artificial transparency. B<False>: do not inherit the parent windows'
640pixmap.
641 696
642I<Please note that transparency of any kind if completely unsupported by 697B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
643the author. Don't bug him with installation questions!> 698future versions.
644 699
645=item B<fading:> I<number> 700=item B<fading:> I<number>
646 701
647Fade the text by the given percentage when focus is lost; option B<-fade>. 702Fade the text by the given percentage when focus is lost; option B<-fade>.
648 703
651Fade to this colour, when fading is used (see B<fading:>). The default 706Fade to this colour, when fading is used (see B<fading:>). The default
652colour is black; option B<-fadecolor>. 707colour is black; option B<-fadecolor>.
653 708
654=item B<tintColor:> I<colour> 709=item B<tintColor:> I<colour>
655 710
656Tint the transparent background pixmap with the given colour; option 711Tint the transparent background with the given colour. If the RENDER
657B<-tint>. 712extension is not available only black, red, green, yellow, blue,
713magenta, cyan and white tints can be performed server-side. Note that
714a black tint yields a completely black image while a white tint yields
715the image unchanged; option B<-tint>.
658 716
659=item B<shading:> I<number> 717=item B<shading:> I<number>
660 718
661Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 719Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
662in addition to tinting it; option B<-sh>. 720A value of 100 means no shading; option B<-sh>.
663 721
664=item B<blendType:> I<string> 722=item B<blendType:> I<string>
665 723
666Specify background blending type; option B<-blt>. 724Specify background blending type; option B<-blt>.
667 725
668=item B<blurRadius:> I<number> 726=item B<blurRadius:> I<number>
669 727
670Apply Gaussian Blurr with the specified radius to the transparent 728Apply gaussian blur with the specified radius to the transparent
671background image; option B<-blr>. 729background; option B<-blr>.
730
731=item B<iconFile:> I<file>
732
733Set the application icon pixmap; option B<-icon>.
672 734
673=item B<scrollColor:> I<colour> 735=item B<scrollColor:> I<colour>
674 736
675Use the specified colour for the scrollbar [default #B2B2B2]. 737Use the specified colour for the scrollbar [default #B2B2B2].
676 738
682=item B<borderColor:> I<colour> 744=item B<borderColor:> I<colour>
683 745
684The colour of the border around the text area and between the scrollbar 746The colour of the border around the text area and between the scrollbar
685and the text. 747and the text.
686 748
687=item B<backgroundPixmap:> I<file[;geom]> 749=item B<backgroundPixmap:> I<file[;oplist]>
688 750
689Use the specified image file for the background and also optionally 751Use the specified image file for the background and also
690specify its scaling with a geometry string B<WxH+X+Y>, 752optionally specify a colon separated list of operations to modify it.
691in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 753Supported operations are:
754
755=over 4
756
757=item B<WxH+X+Y>
758
759sets scale and position. B<"W" / "H"> specify the horizontal/vertical
692and B<"X" / "Y"> locate the image centre (percent). 760scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
693A scale of 0 displays the image with tiling. A scale of 1 displays the 761scale of 0 disables scaling. The maximum permitted scale is 1000.
694image without any scaling. A scale of 2 to 9 specifies an integer 762
695number of images in that direction. No image will be magnified beyond 763=item B<op=tile>
69610 times its original size. The maximum permitted scale is 1000. 764
697Special string of B<"auto"> used as a geometry will cause image to be 765enables tiling
698automatically scaled to match window size. 766
767=item B<op=keep-aspect>
768
769maintain the image aspect ratio when scaling
770
771=item B<op=root-align>
772
773use the position of the terminal window relative to the root window as
774the image offset, simulating a root window background
775
776=back
777
778The default scale and position setting is C<100x100+50+50>.
779Alternatively, a predefined set of templates can be used to achieve
780the most common setups:
781
782=over 4
783
784=item B<style=tiled>
785
786the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
787
788=item B<style=aspect-stretched>
789
790the image is scaled to fill the whole window maintaining the aspect
791ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
792
793=item B<style=stretched>
794
795the image is scaled to fill the whole window. Equivalent to 100x100
796
797=item B<style=centered>
798
799the image is centered with no scaling. Equivalent to 0x0+50+50
800
801=item B<style=root-tiled>
802
803the image is tiled with no scaling and using 'root' positioning.
804Equivalent to 0x0:op=tile:op=root-align
805
806=back
807
808If multiple templates are specified the last one wins. Note that a
809template overrides all the scale, position and operations settings.
810
699If used in conjunction with B<-tr> option - specified pixmap will be 811If used in conjunction with B<-tr> option, the specified pixmap will be
700blended over transparency image using either alpha-blending, or any 812blended over the transparent background using alpha-blending. If I<afterimage>
701other blending type, specified with B<-blt "type"> option. 813support has been compiled in it is possible to choose other blending
702[default 0x0+50+50] 814types with B<-blt "type"> option.
703 815
704=item B<path:> I<path> 816=item B<path:> I<path>
705 817
706Specify the colon-delimited search path for finding XPM files. 818Specify the colon-delimited search path for finding background image files.
707 819
708=item B<font:> I<fontlist> 820=item B<font:> I<fontlist>
709 821
710Select the fonts to be used. This is a comma separated list of font names 822Select the fonts to be used. This is a comma separated list of font names
711that are checked in order when trying to find glyphs for characters. The 823that are checked in order when trying to find glyphs for characters. The
734it is named first) and thus defines the character cell grid to be 9 pixels 846it is named first) and thus defines the character cell grid to be 9 pixels
735wide and 15 pixels high. 847wide and 15 pixels high.
736 848
737The second font is just used to add additional unicode characters not in 849The second font is just used to add additional unicode characters not in
738the base font, likewise the third, which is unfortunately non-bold, but 850the base font, likewise the third, which is unfortunately non-bold, but
739the bold version of the font does contain less characters, so this is a 851the bold version of the font does contain fewer characters, so this is a
740useful supplement. 852useful supplement.
741 853
742The third font is an Xft font with aliasing turned off, and the characters 854The third font is an Xft font with aliasing turned off, and the characters
743are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 855are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
744contains other characters, but we are not interested in them. 856contains other characters, but we are not interested in them.
768text font will being used for the given style. 880text font will being used for the given style.
769 881
770=item B<intensityStyles:> I<boolean> 882=item B<intensityStyles:> I<boolean>
771 883
772When font styles are not enabled, or this option is enabled (B<True>, 884When font styles are not enabled, or this option is enabled (B<True>,
773option B<-is>, the default), bold and italic font styles imply high 885option B<-is>, the default), bold/blink font styles imply high
774intensity foreground/background colours. Disabling this option (B<False>, 886intensity foreground/background colours. Disabling this option (B<False>,
775option B<+is>) disables this behaviour, the high intensity colours are not 887option B<+is>) disables this behaviour, the high intensity colours are not
776reachable. 888reachable.
777 889
778=item B<selectstyle:> I<mode>
779
780Set mouse selection style to B<old> which is 2.20, B<oldword> which
781is xterm style with 2.20 old word selection, or anything else which
782gives xterm style selection. Only effective when the original (non-perl)
783selection code is in use.
784
785=item B<scrollstyle:> I<mode>
786
787Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
788the author's favourite.
789
790=item B<title:> I<string> 890=item B<title:> I<string>
791 891
792Set window title string, the default title is the command-line 892Set window title string, the default title is the command-line
793specified after the B<-e> option, if any, otherwise the application 893specified after the B<-e> option, if any, otherwise the application
794name; option B<-title>. 894name; option B<-title>.
807=item B<urgentOnBell:> I<boolean> 907=item B<urgentOnBell:> I<boolean>
808 908
809B<True>: set the urgency hint for the wm on receipt of a bell character. 909B<True>: set the urgency hint for the wm on receipt of a bell character.
810B<False>: do not set the urgency hint [default]. 910B<False>: do not set the urgency hint [default].
811 911
912@@RXVT_NAME@@ resets the urgency hint on every focus change.
913
812=item B<visualBell:> I<boolean> 914=item B<visualBell:> I<boolean>
813 915
814B<True>: use visual bell on receipt of a bell character; option B<-vb>. 916B<True>: use visual bell on receipt of a bell character; option B<-vb>.
815B<False>: no visual bell [default]; option B<+vb>. 917B<False>: no visual bell [default]; option B<+vb>.
816 918
839 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 941 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
840 942
841This creates a new file in your home directory with the screen contents 943This creates a new file in your home directory with the screen contents
842every time you hit C<Print>. 944every time you hit C<Print>.
843 945
946=item B<scrollstyle:> I<mode>
947
948Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
949the author's favourite.
950
951=item B<thickness:> I<number>
952
953Set the scrollbar width in pixels.
954
844=item B<scrollBar:> I<boolean> 955=item B<scrollBar:> I<boolean>
845 956
846B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 957B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
847disable the scrollbar; option B<+sb>. 958disable the scrollbar; option B<+sb>.
848 959
867B<False>: do not scroll to bottom when tty receives output; option 978B<False>: do not scroll to bottom when tty receives output; option
868B<+si>. 979B<+si>.
869 980
870=item B<scrollWithBuffer:> I<boolean> 981=item B<scrollWithBuffer:> I<boolean>
871 982
872B<True>: scroll with scrollback buffer when tty receives new lines (and 983B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
873B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 984try to show the same lines) and B<scrollTtyOutput> is False; option
874with scrollback buffer when tty receives new lines; option B<+sw>. 985B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
986new lines; option B<+sw>.
875 987
876=item B<scrollTtyKeypress:> I<boolean> 988=item B<scrollTtyKeypress:> I<boolean>
877 989
878B<True>: scroll to bottom when a non-special key is pressed. Special keys 990B<True>: scroll to bottom when a non-special key is pressed. Special keys
879are those which are intercepted by rxvt-unicode for special handling and 991are those which are intercepted by rxvt-unicode for special handling and
910=item B<termName:> I<termname> 1022=item B<termName:> I<termname>
911 1023
912Specifies the terminal type name to be set in the B<TERM> environment 1024Specifies the terminal type name to be set in the B<TERM> environment
913variable; option B<-tn>. 1025variable; option B<-tn>.
914 1026
915=item B<linespace:> I<number> 1027=item B<lineSpace:> I<number>
916 1028
917Specifies number of lines (pixel height) to insert between each row of 1029Specifies number of lines (pixel height) to insert between each row of
918the display [default 0]; option B<-lsp>. 1030the display [default 0]; option B<-lsp>.
919 1031
920=item B<meta8:> I<boolean> 1032=item B<meta8:> I<boolean>
934 1046
935=item B<cursorBlink:> I<boolean> 1047=item B<cursorBlink:> I<boolean>
936 1048
937B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1049B<True>: blink the cursor. B<False>: do not blink the cursor [default];
938option B<-bc>. 1050option B<-bc>.
1051
1052=item B<cursorUnderline:> I<boolean>
1053
1054B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1055option B<-uc>.
939 1056
940=item B<pointerBlank:> I<boolean> 1057=item B<pointerBlank:> I<boolean>
941 1058
942B<True>: blank the pointer when a key is pressed or after a set number 1059B<True>: blank the pointer when a key is pressed or after a set number
943of seconds of inactivity. B<False>: the pointer is always visible 1060of seconds of inactivity. B<False>: the pointer is always visible
957large number (e.g. C<987654321>) to effectively disable the timeout. 1074large number (e.g. C<987654321>) to effectively disable the timeout.
958 1075
959=item B<backspacekey:> I<string> 1076=item B<backspacekey:> I<string>
960 1077
961The string to send when the backspace key is pressed. If set to B<DEC> 1078The string to send when the backspace key is pressed. If set to B<DEC>
962or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1079or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
963(code 8) - which can be reversed with the appropriate DEC private mode 1080(code 8) - which can be reversed with the appropriate DEC private mode
964escape sequence. 1081escape sequence.
965 1082
966=item B<deletekey:> I<string> 1083=item B<deletekey:> I<string>
967 1084
980will be created). In this mode, characters outside ISO-8859-1 can be used. 1097will be created). In this mode, characters outside ISO-8859-1 can be used.
981 1098
982When the selection extension is not used, only ISO-8859-1 characters can 1099When the selection extension is not used, only ISO-8859-1 characters can
983be used. If not specified, the built-in default is used: 1100be used. If not specified, the built-in default is used:
984 1101
985B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1102B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
986 1103
987=item B<preeditType:> I<style> 1104=item B<preeditType:> I<style>
988 1105
989B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1106B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
990 1107
1046 1163
1047=item B<secondaryScroll:> I<boolean> 1164=item B<secondaryScroll:> I<boolean>
1048 1165
1049Turn on/off secondary screen scroll (default enabled). If this 1166Turn on/off secondary screen scroll (default enabled). If this
1050option is enabled, scrolls on the secondary screen will change the 1167option is enabled, scrolls on the secondary screen will change the
1051scrollback buffer and switching to/from the secondary screen will 1168scrollback buffer and, when secondaryScreen is off, switching
1052instead scroll the screen up. 1169to/from the secondary screen will instead scroll the screen up.
1053 1170
1054=item B<hold>: I<boolean> 1171=item B<hold>: I<boolean>
1055 1172
1056Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1173Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1057will not immediately destroy its window when the program executed within 1174will not immediately destroy its window when the program executed within
1058it exits. Instead, it will wait till it is being killed or closed by the 1175it exits. Instead, it will wait till it is being killed or closed by the
1059user. 1176user.
1177
1178=item B<chdir>: I<path>
1179
1180Sets the working directory for the shell (or the command specified via
1181B<-e>). The I<path> must be an absolute path and it must exist for
1182@@RXVT_NAME@@ to start. If it isn't specified then the current working
1183directory will be used; option B<-cd>.
1060 1184
1061=item B<keysym.>I<sym>: I<string> 1185=item B<keysym.>I<sym>: I<string>
1062 1186
1063Compile I<frills>: Associate I<string> with keysym I<sym>. The 1187Compile I<frills>: Associate I<string> with keysym I<sym>. The
1064intervening resource name B<keysym.> cannot be omitted. 1188intervening resource name B<keysym.> cannot be omitted.
1078searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1202searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1079omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1203omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1080keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1204keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1081performed in an exact manner; however, the closest match is assured. 1205performed in an exact manner; however, the closest match is assured.
1082 1206
1083I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1207I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1084C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1208number), see RESOURCES in C<man 7 X> for further details.
1085C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1086C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1087can start or end with whitespace. B<This feature is deprecated and will
1088be removed>.
1089 1209
1090Please note that you need to double the C<\> in resource files, as
1091Xlib itself does its own de-escaping (you can use C<\033> instead of
1092C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1093processing).
1094
1095You can define a range of keysyms in one shot by providing a I<string> 1210You can define a range of keysyms in one shot by
1211loading the C<keysym-list> perl extension and providing a I<string>
1096with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1212with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1097should be a character not used by the strings. 1213should be a character not used by the strings.
1098 1214
1099Its usage can be demonstrated by an example: 1215Its usage can be demonstrated by an example:
1100 1216
1101 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1217 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1102 1218
1103The above line is equivalent to the following three lines: 1219The above line is equivalent to the following three lines:
1104 1220
1105 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1221 URxvt.keysym.Meta-Control-0x61: \033<a>
1106 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1222 URxvt.keysym.Meta-Control-0x62: \033<b>
1107 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1223 URxvt.keysym.Meta-Control-0x63: \033<c>
1108 1224
1109If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1225If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1110is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1226is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1111example the following means "change the current locale to C<zh_CN.GBK> 1227example the following means "change the current locale to C<zh_CN.GBK>
1112when Control-Meta-c is being pressed": 1228when Control-Meta-c is being pressed":
1113 1229
1114 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1230 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1115 1231
1116If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1232If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1117is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1233is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1118manpage. For example, the F<selection> extension (activated via 1234manpage. For example, the F<selection> extension (activated via
1119C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1235C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1120 1236
1121 URxvt.keysym.M-C-c: perl:selection:rot13 1237 URxvt.keysym.M-C-c: perl:selection:rot13
1122 1238
1123Due the the large number of modifier combinations, a defined key mapping 1239Due the the large number of modifier combinations, a defined key mapping
1124will match if at I<at least> the specified identifiers are being set, and 1240will match if I<at least> the specified identifiers are being set, and
1125no other key mappings with those and more bits are being defined. That 1241no other key mappings with those and more bits are being defined. That
1126means that defining a key map for C<a> will automatically provide 1242means that defining a key map for C<a> will automatically provide
1127definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1243definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1128mappings themselves. 1244mappings themselves.
1129 1245
1180all instances, while B<perl-ext> is used for specific instances. 1296all instances, while B<perl-ext> is used for specific instances.
1181 1297
1182=item B<perl-eval>: I<string> 1298=item B<perl-eval>: I<string>
1183 1299
1184Perl code to be evaluated when all extensions have been registered. See 1300Perl code to be evaluated when all extensions have been registered. See
1185the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1301the @@RXVT_NAME@@perl(3) manpage.
1186will be ignored when running setuid/setgid.
1187 1302
1188=item B<perl-lib>: I<path> 1303=item B<perl-lib>: I<path>
1189 1304
1190Colon-separated list of additional directories that hold extension 1305Colon-separated list of additional directories that hold extension
1191scripts. When looking for extensions specified by the C<perl> resource, 1306scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1192@@RXVT_NAME@@ will first look in these directories and then in 1307look in these directories, then in $HOME/.urxvt/ext and lastly in
1193F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1308F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1194will be ignored when running setuid/setgid.
1195 1309
1196See the @@RXVT_NAME@@perl(3) manpage. 1310See the @@RXVT_NAME@@perl(3) manpage.
1197 1311
1198=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1312=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1199 1313
1221 1335
1222=item B<override-redirect>: I<boolean> 1336=item B<override-redirect>: I<boolean>
1223 1337
1224Compile I<frills>: Sets override-redirect for the terminal window, making 1338Compile I<frills>: Sets override-redirect for the terminal window, making
1225it almost invisible to window managers; option B<-override-redirect>. 1339it almost invisible to window managers; option B<-override-redirect>.
1340
1341=item B<iso14755:> I<boolean>
1342
1343Turn on/off ISO 14755 (default enabled).
1226 1344
1227=item B<iso14755_52:> I<boolean> 1345=item B<iso14755_52:> I<boolean>
1228 1346
1229Turn on/off ISO 14755 5.2 mode (default enabled). 1347Turn on/off ISO 14755 5.2 mode (default enabled).
1230 1348
1305 1423
1306=head1 ISO 14755 SUPPORT 1424=head1 ISO 14755 SUPPORT
1307 1425
1308ISO 14755 is a standard for entering and viewing unicode characters 1426ISO 14755 is a standard for entering and viewing unicode characters
1309and character codes using the keyboard. It consists of 4 parts. The 1427and character codes using the keyboard. It consists of 4 parts. The
1310first part is available rxvt-unicode has been compiled with 1428first part is available if rxvt-unicode has been compiled with
1311C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1429C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1312with C<--enable-iso14755>. 1430with C<--enable-iso14755>.
1313 1431
1314=over 4 1432=over 4
1315 1433
1373B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1491B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1374it can be seen via the I<who(1)> command, and can accept messages. To 1492it can be seen via the I<who(1)> command, and can accept messages. To
1375allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1493allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1376on some systems or setgid to root or to some other group on others. 1494on some systems or setgid to root or to some other group on others.
1377 1495
1378=head1 COLORS AND GRAPHICS 1496=head1 COLOURS AND GRAPHICS
1379 1497
1380In addition to the default foreground and background colours, 1498In addition to the default foreground and background colours,
1381B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1499B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1382high-intensity bold/blink versions of the same). Here is a list of the 1500high-intensity (potentially bold/blink) versions of the same, and 72 (or
1383colours with their names. 1501240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1502cube plus a 8 (24) colour greyscale ramp.
1503
1504Here is a list of the ANSI colours with their names.
1384 1505
1385=begin table 1506=begin table
1386 1507
1387 B<color0> (black) = Black 1508 B<color0> (black) = Black
1388 B<color1> (red) = Red3 1509 B<color1> (red) = Red3
1408It is also possible to specify the colour values of B<foreground>, 1529It is also possible to specify the colour values of B<foreground>,
1409B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1530B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1410a number 0-15, as a convenient shorthand to reference the colour name of 1531a number 0-15, as a convenient shorthand to reference the colour name of
1411color0-color15. 1532color0-color15.
1412 1533
1413In addition to the colours defined above, @@RXVT_NAME@@ offers an 1534The following text gives values for the standard 88 colour mode (and
1414additional 72 colours. The first 64 of those (with indices 16 to 79) 1535values for the 256 colour mode in parentheses).
1415consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
141616>), followed by 8 additional shades of gray (with indices 80 to 87).
1417 1536
1537The RGB cube uses indices 16..79 (16..231) using the following formulas:
1538
1539 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1540 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1541
1542The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1543steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1544the RGB cube.
1545
1418Together, all those colours implement the 88 colour xterm colours. Only 1546Together, all those colours implement the 88 (256) colour xterm
1419the first 16 can be changed using resources currently, the rest can only 1547colours. Only the first 16 can be changed using resources currently, the
1420be changed via command sequences ("escape codes"). 1548rest can only be changed via command sequences ("escape codes").
1549
1550Applications are advised to use terminfo or command sequences to discover
1551number and RGB values of all colours (yes, you can query this...).
1421 1552
1422Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1553Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1423always swapping the foreground/background colours. This is in contrast to 1554always swapping the foreground/background colours. This is in contrast to
1424I<xterm>(1) where the colours are only swapped if they have not otherwise 1555I<xterm>(1) where the colours are only swapped if they have not otherwise
1425been specified. For example, 1556been specified. For example,
1426 1557
1427=over 4
1428
1429=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1558 @@RXVT_NAME@@ -fg Black -bg White -rv
1430 1559
1431would yield White on Black, while on I<xterm>(1) it would yield Black 1560would yield White on Black, while on I<xterm>(1) it would yield Black on
1432on White. 1561White.
1433
1434=back
1435 1562
1436=head2 ALPHA CHANNEL SUPPORT 1563=head2 ALPHA CHANNEL SUPPORT
1437 1564
1438If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1565If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1439their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1566their act together, rxvt-unicode will do its own alpha channel management:
1440(recommended, but B<MUST> have 4 digits/component) colour specifications, 1567
1441in addition to the ones provided by X, where the additional A component 1568You can prefix any colour with an opaqueness percentage enclosed in
1569brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1570(0-100) that specifies the opacity of the colour, where C<0> is completely
1571transparent and C<100> is completely opaque. For example, C<[50]red> is a
1572half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1573is the recommended format to specify transparency values, and works with
1574all ways to specify a colour.
1575
1576For complete control, rxvt-unicode also supports
1577C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1578specifications, where the additional C<aaaa> component specifies opacity
1442specifies opacity (alpha) values. The minimum value of C<0> is completely 1579(alpha) values. The minimum value of C<0000> is completely transparent,
1443transparent). You can also prefix any color with C<[percent]>, where 1580while C<ffff> is completely opaque). The two example colours from
1444C<percent> is a decimal percentage (0-100) that specifies the opacity of 1581earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1445the color, where C<0> is completely transparent and C<100> is completelxy 1582C<rgba:0000/ff00/0000/f332>.
1446opaque.
1447 1583
1448You probably need to specify B<"-depth 32">, too, and have the luck that 1584You probably need to specify B<"-depth 32">, too, to force a visual with
1449your X-server uses ARGB pixel layout, as X is far from just supporting 1585alpha channels, and have the luck that your X-server uses ARGB pixel
1450ARGB visuals out of the box, and rxvt-unicode just fudges around. 1586layout, as X is far from just supporting ARGB visuals out of the box, and
1587rxvt-unicode just fudges around.
1451 1588
1452For example, the following selects an almost completely transparent red 1589For example, the following selects an almost completely transparent black
1453background, and an almost opaque pink foreground: 1590background, and an almost opaque pink foreground:
1454 1591
1455 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1592 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1456 1593
1457I<Please note that transparency of any kind if completely unsupported by 1594When not using a background image, then the interpretation of the
1458the author. Don't bug him with installation questions!> 1595alpha channel is up to your compositing manager (most interpret it as
1596transparency of course).
1597
1598When using a background pixmap or pseudo-transparency, then the background
1599colour will always behave as if it were completely transparent (so the
1600background image shows instead), regardless of how it was specified, while
1601other colours will either be transparent as specified (the background
1602image will show through) on servers supporting the RENDER extension, or
1603fully opaque on servers not supporting the RENDER EXTENSION.
1604
1605Please note that due to bugs in Xft, specifying alpha values might result
1606in garbage being displayed when the X-server does not support the RENDER
1607extension.
1459 1608
1460=head1 ENVIRONMENT 1609=head1 ENVIRONMENT
1461 1610
1462B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1611B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1463 1612
1469resources or on the command line. 1618resources or on the command line.
1470 1619
1471=item B<COLORTERM> 1620=item B<COLORTERM>
1472 1621
1473Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1622Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1474compiled with XPM support, and optionally with the added extension 1623compiled with background image support, and optionally with the added
1475C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1624extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1625screen.
1476 1626
1477=item B<COLORFGBG> 1627=item B<COLORFGBG>
1478 1628
1479Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1629Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1480the colour code used as default foreground/text colour (or the string 1630the colour code used as default foreground/text colour (or the string
1481C<default> to indicate that the default-colour escape sequence is to be 1631C<default> to indicate that the default-colour escape sequence is to be
1482used), C<bg> is the colour code used as default background colour (or the 1632used), C<bg> is the colour code used as default background colour (or the
1483string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1633string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1484was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1634was compiled with background image support. Libraries like C<ncurses>
1485(and do) use this information to optimize screen output. 1635and C<slang> can (and do) use this information to optimize screen output.
1486 1636
1487=item B<WINDOWID> 1637=item B<WINDOWID>
1488 1638
1489Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1639Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1490window, which usually has subwindows for the scrollbar, the terminal 1640window, which usually has subwindows for the scrollbar, the terminal
1496C<--with-terminfo=PATH>. 1646C<--with-terminfo=PATH>.
1497 1647
1498=item B<DISPLAY> 1648=item B<DISPLAY>
1499 1649
1500Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1650Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1501display in its child processes. 1651display in its child processes if C<-display> isn't used to override. It
1652defaults to C<:0> if it doesn't exist.
1502 1653
1503=item B<SHELL> 1654=item B<SHELL>
1504 1655
1505The shell to be used for command execution, defaults to C</bin/sh>. 1656The shell to be used for command execution, defaults to C</bin/sh>.
1506 1657
1507=item B<RXVT_SOCKET> 1658=item B<RXVT_SOCKET>
1508 1659
1509The unix domain socket path used by @@RXVT_NAME@@c(1) and 1660The unix domain socket path used by @@RXVT_NAME@@c(1) and
1510@@RXVT_NAME@@d(1). 1661@@RXVT_NAME@@d(1).
1511 1662
1512Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1663Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1513 1664
1514=item B<HOME> 1665=item B<HOME>
1515 1666
1516Used to locate the default directory for the unix domain socket for 1667Used to locate the default directory for the unix domain socket for
1517daemon communications and to locate various resource files (such as 1668daemon communications and to locate various resource files (such as
1518C<.Xdefaults>) 1669C<.Xdefaults>)
1519 1670
1520=item B<XAPPLRESDIR> 1671=item B<XAPPLRESDIR>
1521 1672
1522Directory where various X resource files are being located. 1673Directory where application-specific X resource files are located.
1523 1674
1524=item B<XENVIRONMENT> 1675=item B<XENVIRONMENT>
1525 1676
1526If set and accessible, gives the name of a X resource file to be loaded by 1677If set and accessible, gives the name of a X resource file to be loaded by
1527@@RXVT_NAME@@. 1678@@RXVT_NAME@@.
1532 1683
1533=over 4 1684=over 4
1534 1685
1535=item B</usr/lib/X11/rgb.txt> 1686=item B</usr/lib/X11/rgb.txt>
1536 1687
1537Color names. 1688Colour names.
1538 1689
1539=back 1690=back
1540 1691
1541=head1 SEE ALSO 1692=head1 SEE ALSO
1542 1693
1581Project Coordinator (changes.txt 2.21a to 2.4.5) 1732Project Coordinator (changes.txt 2.21a to 2.4.5)
1582 1733
1583=item Geoff Wing L<< <gcw@pobox.com> >> 1734=item Geoff Wing L<< <gcw@pobox.com> >>
1584 1735
1585Rewrote screen display and text selection routines. 1736Rewrote screen display and text selection routines.
1586 1737
1587Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1738Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1588 1739
1589=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1740=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1590 1741
1591Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1742Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1593 1744
1594Project Coordinator (Changes 1.0 -) 1745Project Coordinator (Changes 1.0 -)
1595 1746
1596=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1747=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1597 1748
1598Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1749pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1599 1750
1600=back 1751=back
1601 1752

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