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Revision 1.131 by ayin, Sat Jun 9 09:05:38 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>
108 116
109Turn on/off simulated reverse video; resource B<reverseVideo>. 117Turn on/off simulated reverse video; resource B<reverseVideo>.
110 118
111=item B<-j>|B<+j> 119=item B<-j>|B<+j>
112 120
113Turn on/off jump scrolling; resource B<jumpScroll>. 121Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
114 122
115=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 123=item B<-ss>|B<+ss>
116 124
117Turn on/off inheriting parent window's pixmap. Alternative form is 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118B<-tr>; resource B<inheritPixmap>.
119 126
120I<Please note that transparency of any kind if completely unsupported by 127=item B<-tr>|B<+tr>
121the author. Don't bug him with installation questions! Read the FAQ (man 7 128
122@@RXVT_NAME@@)!> 129Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
130
131B<-ip> is still accepted as an obsolete alias but will be removed in
132future versions.
123 133
124=item B<-fade> I<number> 134=item B<-fade> I<number>
125 135
126Fade the text by the given percentage when focus is lost. Small values 136Fade the text by the given percentage when focus is lost. Small values
127fade a little only, 100 completely replaces all colours by the fade 137fade a little only, 100 completely replaces all colours by the fade
132Fade to this colour when fading is used (see B<-fade>). The default colour 142Fade to this colour when fading is used (see B<-fade>). The default colour
133is opaque black. resource B<fadeColor>. 143is opaque black. resource B<fadeColor>.
134 144
135=item B<-tint> I<colour> 145=item B<-tint> I<colour>
136 146
137Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
138transparency is enabled with B<-tr> or B<-ip>. This only works for 148resource I<tintColor>.
139non-tiled backgrounds, currently. See also the B<-sh> option that can be
140used to brighten or darken the image in addition to tinting it; resource
141I<tintColor>. Example:
142 149
143 @@RXVT_NAME@@ -tr -tint blue -sh 40
144
145=item B<-sh> I<number> 150=item B<-sh> I<number>
146 151
147Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
148background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
149resource I<shading>.
150 154
151=item B<-blt> I<string> 155=item B<-blt> I<string>
152 156
153Specify background blending type. If background pixmap is specified 157Specify background blending type. If background pixmap is specified
154at the same time as transparency - such pixmap will be blended over 158at the same time as transparency - such pixmap will be blended over
155transparency image, using method specified. Supported values are : 159the transparent background, using the method specified. Supported values are:
156B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 160B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
157B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
158B<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
159alpha-blending; resource I<blendType>. 163alpha-blending. Compile I<afterimage>; resource I<blendType>.
160 164
161=item B<-blr> I<number> 165=item B<-blr> I<HxV>
162 166
163Apply Gaussian Blur with the specified radius to the transparent 167Apply Gaussian Blur with the specified radii to the transparent
164background 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>.
165 180
166=item B<-bg> I<colour> 181=item B<-bg> I<colour>
167 182
168Window background colour; resource B<background>. 183Window background colour; resource B<background>.
169 184
170=item B<-fg> I<colour> 185=item B<-fg> I<colour>
171 186
172Window foreground colour; resource B<foreground>. 187Window foreground colour; resource B<foreground>.
173 188
174=item B<-pixmap> I<file[;geom]> 189=item B<-pixmap> I<file[;oplist]>
175 190
176Compile I<afterimage>: Specify image file for the background and also 191Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
177optionally 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
178add quotes to avoid special shell interpretation of the C<;> in the 193add quotes to avoid special shell interpretation of the C<;> in the
179command-line; for more details see resource B<backgroundPixmap>. 194command-line; for more details see resource B<backgroundPixmap>.
180 195
181=item B<-cr> I<colour> 196=item B<-cr> I<colour>
182 197
229italic> >> characters are to be printed. See resource B<boldItalicFont> 244italic> >> characters are to be printed. See resource B<boldItalicFont>
230for details. 245for details.
231 246
232=item B<-is>|B<+is> 247=item B<-is>|B<+is>
233 248
234Compile I<font-styles>: Bold/Italic font styles imply high intensity 249Compile I<font-styles>: Bold/Blink font styles imply high intensity
235foreground/background (default). See resource B<intensityStyles> for 250foreground/background (default). See resource B<intensityStyles> for
236details. 251details.
237 252
238=item B<-name> I<name> 253=item B<-name> I<name>
239 254
257 272
258=item B<-sb>|B<+sb> 273=item B<-sb>|B<+sb>
259 274
260Turn on/off scrollbar; resource B<scrollBar>. 275Turn on/off scrollbar; resource B<scrollBar>.
261 276
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
262=item B<-si>|B<+si> 286=item B<-si>|B<+si>
263 287
264Turn on/off scroll-to-bottom on TTY output inhibit; resource 288Turn on/off scroll-to-bottom on TTY output inhibit; resource
265B<scrollTtyOutput> has opposite effect. 289B<scrollTtyOutput> has opposite effect.
266 290
272=item B<-sw>|B<+sw> 296=item B<-sw>|B<+sw>
273 297
274Turn on/off scrolling with the scrollback buffer as new lines appear. 298Turn on/off scrolling with the scrollback buffer as new lines appear.
275This only takes effect if B<-si> is also given; resource 299This only takes effect if B<-si> is also given; resource
276B<scrollWithBuffer>. 300B<scrollWithBuffer>.
277
278=item B<-sr>|B<+sr>
279
280Put scrollbar on right/left; resource B<scrollBar_right>.
281
282=item B<-st>|B<+st>
283
284Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
285resource B<scrollBar_floating>.
286 301
287=item B<-ptab>|B<+ptab> 302=item B<-ptab>|B<+ptab>
288 303
289If enabled (default), "Horizontal Tab" characters are being stored as 304If enabled (default), "Horizontal Tab" characters are being stored as
290actual wide characters in the screen buffer, which makes it possible to 305actual wide characters in the screen buffer, which makes it possible to
294 309
295=item B<-bc>|B<+bc> 310=item B<-bc>|B<+bc>
296 311
297Blink the cursor; resource B<cursorBlink>. 312Blink the cursor; resource B<cursorBlink>.
298 313
314=item B<-uc>|B<+uc>
315
316Make the cursor underlined; resource B<cursorUnderline>.
317
299=item B<-iconic> 318=item B<-iconic>
300 319
301Start iconified, if the window manager supports that option. 320Start iconified, if the window manager supports that option.
302Alternative form is B<-ic>. 321Alternative form is B<-ic>.
303 322
319 338
320=item B<-bl> 339=item B<-bl>
321 340
322Compile 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.
323if 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
324decorations; resource B<borderLess>. 343decorations; resource B<borderLess>. If the window manager does not
344support MWM hints (e.g. kwin), enables override-redirect mode.
325 345
326=item B<-override-redirect> 346=item B<-override-redirect>
327 347
328Compile I<frills>: Sets override-redirect on the window; resource 348Compile I<frills>: Sets override-redirect on the window; resource
329B<override-redirect>. 349B<override-redirect>.
337 357
338=item B<-lsp> I<number> 358=item B<-lsp> I<number>
339 359
340Compile I<frills>: Lines (pixel height) to insert between each row of 360Compile I<frills>: Lines (pixel height) to insert between each row of
341the display. Useful to work around font rendering problems; resource 361the display. Useful to work around font rendering problems; resource
342B<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>.
343 370
344=item B<-tn> I<termname> 371=item B<-tn> I<termname>
345 372
346This 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
347B<TERM> environment variable. This terminal type must exist in the 374B<TERM> environment variable. This terminal type must exist in the
402 429
403=item B<-tcw> 430=item B<-tcw>
404 431
405Change the meaning of triple-click selection with the left mouse 432Change the meaning of triple-click selection with the left mouse
406button. Only effective when the original (non-perl) selection code is 433button. Only effective when the original (non-perl) selection code is
407in-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
408end of the logical line only. resource B<tripleclickwords>. 435the end of the logical line only. resource B<tripleclickwords>.
409 436
410=item B<-insecure> 437=item B<-insecure>
411 438
412Enable "insecure" mode, which currently enables most of the escape 439Enable "insecure" mode, which currently enables most of the escape
413sequences that echo strings. See the resource B<insecure> for more 440sequences that echo strings. See the resource B<insecure> for more
433 460
434Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 461Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
435will not immediately destroy its window when the program executed within 462will not immediately destroy its window when the program executed within
436it exits. Instead, it will wait till it is being killed or closed by the 463it exits. Instead, it will wait till it is being killed or closed by the
437user; 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.
438 484
439=item B<-keysym.>I<sym> I<string> 485=item B<-keysym.>I<sym> I<string>
440 486
441Remap a key symbol. See resource B<keysym>. 487Remap a key symbol. See resource B<keysym>.
442 488
477If 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
478entries 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
479yourself if you want that. 525yourself if you want that.
480 526
481As an extremely special case, specifying C<-1> will completely suppress 527As an extremely special case, specifying C<-1> will completely suppress
482pty/tty operations. 528pty/tty operations, which is probably only useful in conjunction with some
529perl extension that manages the terminal.
483 530
484Here 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
485longer example is in F<doc/pty-fd>): 532longer example is in F<doc/pty-fd>):
486 533
487 use IO::Pty; 534 use IO::Pty;
501Comma-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
502this terminal instance. See resource B<perl-ext> for details. 549this terminal instance. See resource B<perl-ext> for details.
503 550
504=back 551=back
505 552
506=head1 RESOURCES (available also as long-options) 553=head1 RESOURCES
507 554
508Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 555Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
509options) compiled into your version. 556options) compiled into your version. All resources are also available as
557long-options.
510 558
511You 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
512distribution do also load settings from the B<~/.Xresources> file when X 560distribution do also load settings from the B<~/.Xresources> file when X
513starts. @@RXVT_NAME@@ will consult the following files/resources in order, 561starts. @@RXVT_NAME@@ will consult the following files/resources in order,
514with later settings overwriting earlier ones: 562with later settings overwriting earlier ones:
515 563
516 1. system-wide app-defaults file, either locale-dependent OR global
517 2. app-defaults file in $XAPPLRESDIR 564 1. app-defaults file in $XAPPLRESDIR
565 2. $HOME/.Xdefaults
518 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 566 3. RESOURCE_MANAGER property on root-window of screen 0
519 4. SCREEN_RESOURCES for the current screen 567 4. SCREEN_RESOURCES property on root-window of the current screen
520 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 568 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
569 6. resources specified via -xrm on the commandline
521 570
522Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 571Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
523names: 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
524common 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
525configured, while the class name B<URxvt> allows resources unique to 574configured, while the class name B<URxvt> allows resources unique to
535=item B<depth:> I<bitdepth> 584=item B<depth:> I<bitdepth>
536 585
537Compile 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;
538option B<-depth>. 587option B<-depth>.
539 588
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
540=item B<geometry:> I<geom> 596=item B<geometry:> I<geom>
541 597
542Create the window with the specified X window geometry [default 80x24]; 598Create the window with the specified X window geometry [default 80x24];
543option B<-geometry>. 599option B<-geometry>.
544 600
557Use 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
558corresponds to low-intensity (normal) colours and 8-15 corresponds to 614corresponds to low-intensity (normal) colours and 8-15 corresponds to
559high-intensity (bold = bright foreground, blink = bright background) 615high-intensity (bold = bright foreground, blink = bright background)
560colours. 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,
5613=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
562names used are listed in the B<COLORS AND GRAPHICS> section. 618names used are listed in the B<COLOURS AND GRAPHICS> section.
563 619
564Colours 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
565changed using an escape command (see @@RXVT_NAME@@(7)). 621changed using an escape command (see @@RXVT_NAME@@(7)).
566 622
567Colours 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
578=item B<colorUL:> I<colour> 634=item B<colorUL:> I<colour>
579 635
580Use the specified colour to display underlined characters when the 636Use the specified colour to display underlined characters when the
581foreground colour is the default. 637foreground colour is the default.
582 638
583=item B<colorRV:> I<colour>
584
585Use the specified colour as the background for reverse video characters
586when OPTION_HC is disabled (--disable-frills).
587
588=item B<underlineColor:> I<colour> 639=item B<underlineColor:> I<colour>
589 640
590If set, use the specified colour as the colour for the underline 641If set, use the specified colour as the colour for the underline
591itself. 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.
592 653
593=item B<cursorColor:> I<colour> 654=item B<cursorColor:> I<colour>
594 655
595Use 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
596foreground colour; option B<-cr>. 657foreground colour; option B<-cr>.
603 664
604=item B<reverseVideo:> I<boolean> 665=item B<reverseVideo:> I<boolean>
605 666
606B<True>: simulate reverse video by foreground and background colours; 667B<True>: simulate reverse video by foreground and background colours;
607option B<-rv>. B<False>: regular screen colours [default]; option 668option B<-rv>. B<False>: regular screen colours [default]; option
608B<+rv>. See note in B<COLORS AND GRAPHICS> section. 669B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
609 670
610=item B<jumpScroll:> I<boolean> 671=item B<jumpScroll:> I<boolean>
611 672
612B<True>: specify that jump scrolling should be used. When scrolling 673B<True>: specify that jump scrolling should be used. When receiving lots
613quickly, fewer screen updates are performed [default]; option B<-j>. 674of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
675has been read, resulting in fewer updates while still displaying every
676received line; option B<-j>.
677
614B<False>: specify that smooth scrolling should be used; option B<+j>. 678B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
679force a screen refresh on each new line it received; option B<+j>.
615 680
616=item B<inheritPixmap:> I<boolean> 681=item B<skipScroll:> I<boolean>
617 682
618B<True>: make the background inherit the parent windows' pixmap, giving 683B<True>: (the default) specify that skip scrolling should be used. When
619artificial transparency. B<False>: do not inherit the parent windows' 684receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
620pixmap. 685(around 60 times per second), resulting in far fewer updates. This can
686result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
687option B<-ss>.
621 688
622I<Please note that transparency of any kind if completely unsupported by 689B<False>: specify that everything is to be displayed, even
623the author. Don't bug him with installation questions!> 690if the refresh is too fast for the human eye to read anything (or the
691monitor to display anything); option B<+ss>.
692
693=item B<transparent:> I<boolean>
694
695Turn on/off pseudo-transparency by using the root pixmap as background.
696
697B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
698future versions.
624 699
625=item B<fading:> I<number> 700=item B<fading:> I<number>
626 701
627Fade 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>.
628 703
631Fade 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
632colour is black; option B<-fadecolor>. 707colour is black; option B<-fadecolor>.
633 708
634=item B<tintColor:> I<colour> 709=item B<tintColor:> I<colour>
635 710
636Tint the transparent background pixmap with the given colour; option 711Tint the transparent background with the given colour. If the RENDER
637B<-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>.
638 716
639=item B<shading:> I<number> 717=item B<shading:> I<number>
640 718
641Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 719Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
642in addition to tinting it; option B<-sh>. 720A value of 100 means no shading; option B<-sh>.
643 721
644=item B<blendType:> I<string> 722=item B<blendType:> I<string>
645 723
646Specify background blending type; option B<-blt>. 724Specify background blending type; option B<-blt>.
647 725
648=item B<blurRadius:> I<number> 726=item B<blurRadius:> I<number>
649 727
650Apply Gaussian Blurr with the specified radius to the transparent 728Apply gaussian blur with the specified radius to the transparent
651background image; option B<-blr>. 729background; option B<-blr>.
730
731=item B<iconFile:> I<file>
732
733Set the application icon pixmap; option B<-icon>.
652 734
653=item B<scrollColor:> I<colour> 735=item B<scrollColor:> I<colour>
654 736
655Use the specified colour for the scrollbar [default #B2B2B2]. 737Use the specified colour for the scrollbar [default #B2B2B2].
656 738
662=item B<borderColor:> I<colour> 744=item B<borderColor:> I<colour>
663 745
664The 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
665and the text. 747and the text.
666 748
667=item B<backgroundPixmap:> I<file[;geom]> 749=item B<backgroundPixmap:> I<file[;oplist]>
668 750
669Use the specified image file for the background and also optionally 751Use the specified image file for the background and also
670specify its scaling with a geometry string B<WxH+X+Y>, 752optionally specify a colon separated list of operations to modify it.
671in 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
672and B<"X" / "Y"> locate the image centre (percent). 760scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
673A scale of 0 displays the image with tiling. A scale of 1 displays the 761scale of 0 disables scaling. The maximum permitted scale is 1000.
674image without any scaling. A scale of 2 to 9 specifies an integer 762
675number of images in that direction. No image will be magnified beyond 763=item B<op=tile>
67610 times its original size. The maximum permitted scale is 1000. 764
677Special string of B<"auto"> used as a geometry will cause image to be 765enables tiling
678automatically 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
679If used in conjunction with B<-tr> option - specified pixmap will be 811If used in conjunction with B<-tr> option, the specified pixmap will be
680blended over transparency image using either alpha-blending, or any 812blended over the transparent background using alpha-blending. If I<afterimage>
681other blending type, specified with B<-blt "type"> option. 813support has been compiled in it is possible to choose other blending
682[default 0x0+50+50] 814types with B<-blt "type"> option.
683 815
684=item B<path:> I<path> 816=item B<path:> I<path>
685 817
686Specify the colon-delimited search path for finding XPM files. 818Specify the colon-delimited search path for finding background image files.
687 819
688=item B<font:> I<fontlist> 820=item B<font:> I<fontlist>
689 821
690Select 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
691that 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
714it 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
715wide and 15 pixels high. 847wide and 15 pixels high.
716 848
717The 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
718the base font, likewise the third, which is unfortunately non-bold, but 850the base font, likewise the third, which is unfortunately non-bold, but
719the bold version of the font does contain less characters, so this is a 851the bold version of the font does contain fewer characters, so this is a
720useful supplement. 852useful supplement.
721 853
722The 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
723are 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
724contains other characters, but we are not interested in them. 856contains other characters, but we are not interested in them.
748text font will being used for the given style. 880text font will being used for the given style.
749 881
750=item B<intensityStyles:> I<boolean> 882=item B<intensityStyles:> I<boolean>
751 883
752When 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>,
753option B<-is>, the default), bold and italic font styles imply high 885option B<-is>, the default), bold/blink font styles imply high
754intensity foreground/background colours. Disabling this option (B<False>, 886intensity foreground/background colours. Disabling this option (B<False>,
755option B<+is>) disables this behaviour, the high intensity colours are not 887option B<+is>) disables this behaviour, the high intensity colours are not
756reachable. 888reachable.
757 889
758=item B<selectstyle:> I<mode>
759
760Set mouse selection style to B<old> which is 2.20, B<oldword> which
761is xterm style with 2.20 old word selection, or anything else which
762gives xterm style selection. Only effective when the original (non-perl)
763selection code is in use.
764
765=item B<scrollstyle:> I<mode>
766
767Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
768the author's favourite.
769
770=item B<title:> I<string> 890=item B<title:> I<string>
771 891
772Set window title string, the default title is the command-line 892Set window title string, the default title is the command-line
773specified after the B<-e> option, if any, otherwise the application 893specified after the B<-e> option, if any, otherwise the application
774name; option B<-title>. 894name; option B<-title>.
787=item B<urgentOnBell:> I<boolean> 907=item B<urgentOnBell:> I<boolean>
788 908
789B<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.
790B<False>: do not set the urgency hint [default]. 910B<False>: do not set the urgency hint [default].
791 911
912@@RXVT_NAME@@ resets the urgency hint on every focus change.
913
792=item B<visualBell:> I<boolean> 914=item B<visualBell:> I<boolean>
793 915
794B<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>.
795B<False>: no visual bell [default]; option B<+vb>. 917B<False>: no visual bell [default]; option B<+vb>.
796 918
819 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 941 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
820 942
821This 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
822every time you hit C<Print>. 944every time you hit C<Print>.
823 945
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
824=item B<scrollBar:> I<boolean> 955=item B<scrollBar:> I<boolean>
825 956
826B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 957B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
827disable the scrollbar; option B<+sb>. 958disable the scrollbar; option B<+sb>.
828 959
847B<False>: do not scroll to bottom when tty receives output; option 978B<False>: do not scroll to bottom when tty receives output; option
848B<+si>. 979B<+si>.
849 980
850=item B<scrollWithBuffer:> I<boolean> 981=item B<scrollWithBuffer:> I<boolean>
851 982
852B<True>: scroll with scrollback buffer when tty receives new lines (and 983B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
853B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 984try to show the same lines) and B<scrollTtyOutput> is False; option
854with 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>.
855 987
856=item B<scrollTtyKeypress:> I<boolean> 988=item B<scrollTtyKeypress:> I<boolean>
857 989
858B<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
859are those which are intercepted by rxvt-unicode for special handling and 991are those which are intercepted by rxvt-unicode for special handling and
890=item B<termName:> I<termname> 1022=item B<termName:> I<termname>
891 1023
892Specifies 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
893variable; option B<-tn>. 1025variable; option B<-tn>.
894 1026
895=item B<linespace:> I<number> 1027=item B<lineSpace:> I<number>
896 1028
897Specifies number of lines (pixel height) to insert between each row of 1029Specifies number of lines (pixel height) to insert between each row of
898the display [default 0]; option B<-lsp>. 1030the display [default 0]; option B<-lsp>.
899 1031
900=item B<meta8:> I<boolean> 1032=item B<meta8:> I<boolean>
914 1046
915=item B<cursorBlink:> I<boolean> 1047=item B<cursorBlink:> I<boolean>
916 1048
917B<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];
918option 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>.
919 1056
920=item B<pointerBlank:> I<boolean> 1057=item B<pointerBlank:> I<boolean>
921 1058
922B<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
923of seconds of inactivity. B<False>: the pointer is always visible 1060of seconds of inactivity. B<False>: the pointer is always visible
937large number (e.g. C<987654321>) to effectively disable the timeout. 1074large number (e.g. C<987654321>) to effectively disable the timeout.
938 1075
939=item B<backspacekey:> I<string> 1076=item B<backspacekey:> I<string>
940 1077
941The 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>
942or 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>
943(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
944escape sequence. 1081escape sequence.
945 1082
946=item B<deletekey:> I<string> 1083=item B<deletekey:> I<string>
947 1084
960will 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.
961 1098
962When 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
963be used. If not specified, the built-in default is used: 1100be used. If not specified, the built-in default is used:
964 1101
965B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1102B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
966 1103
967=item B<preeditType:> I<style> 1104=item B<preeditType:> I<style>
968 1105
969B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1106B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
970 1107
1026 1163
1027=item B<secondaryScroll:> I<boolean> 1164=item B<secondaryScroll:> I<boolean>
1028 1165
1029Turn on/off secondary screen scroll (default enabled). If this 1166Turn on/off secondary screen scroll (default enabled). If this
1030option is enabled, scrolls on the secondary screen will change the 1167option is enabled, scrolls on the secondary screen will change the
1031scrollback buffer and switching to/from the secondary screen will 1168scrollback buffer and, when secondaryScreen is off, switching
1032instead scroll the screen up. 1169to/from the secondary screen will instead scroll the screen up.
1033 1170
1034=item B<hold>: I<boolean> 1171=item B<hold>: I<boolean>
1035 1172
1036Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1173Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1037will not immediately destroy its window when the program executed within 1174will not immediately destroy its window when the program executed within
1038it exits. Instead, it will wait till it is being killed or closed by the 1175it exits. Instead, it will wait till it is being killed or closed by the
1039user. 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>.
1040 1184
1041=item B<keysym.>I<sym>: I<string> 1185=item B<keysym.>I<sym>: I<string>
1042 1186
1043Compile I<frills>: Associate I<string> with keysym I<sym>. The 1187Compile I<frills>: Associate I<string> with keysym I<sym>. The
1044intervening resource name B<keysym.> cannot be omitted. 1188intervening resource name B<keysym.> cannot be omitted.
1058searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1202searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1059omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1203omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1060keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1204keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1061performed in an exact manner; however, the closest match is assured. 1205performed in an exact manner; however, the closest match is assured.
1062 1206
1063I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1207I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1064C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1208number), see RESOURCES in C<man 7 X> for further details.
1065C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1066C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1067can start or end with whitespace. B<This feature is deprecated and will
1068be removed>.
1069 1209
1070Please note that you need to double the C<\> in resource files, as
1071Xlib itself does its own de-escaping (you can use C<\033> instead of
1072C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1073processing).
1074
1075You can define a range of keysyms in one shot by providing a I<string> 1210You can define a range of keysyms in one shot by
1211loading the C<keysym-list> perl extension and providing a I<string>
1076with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1212with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1077should be a character not used by the strings. 1213should be a character not used by the strings.
1078 1214
1079Its usage can be demonstrated by an example: 1215Its usage can be demonstrated by an example:
1080 1216
1081 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1217 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1082 1218
1083The above line is equivalent to the following three lines: 1219The above line is equivalent to the following three lines:
1084 1220
1085 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1221 URxvt.keysym.Meta-Control-0x61: \033<a>
1086 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1222 URxvt.keysym.Meta-Control-0x62: \033<b>
1087 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1223 URxvt.keysym.Meta-Control-0x63: \033<c>
1088 1224
1089If 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>
1090is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1226is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1091example 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>
1092when Control-Meta-c is being pressed": 1228when Control-Meta-c is being pressed":
1093 1229
1094 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
1095 1231
1096If 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>
1097is 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)
1098manpage. For example, the F<selection> extension (activated via 1234manpage. For example, the F<selection> extension (activated via
1099C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1235C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1100 1236
1101 URxvt.keysym.M-C-c: perl:selection:rot13 1237 URxvt.keysym.M-C-c: perl:selection:rot13
1102 1238
1103Due the the large number of modifier combinations, a defined key mapping 1239Due the the large number of modifier combinations, a defined key mapping
1104will match if at I<at least> the specified identifiers are being set, and 1240will match if I<at least> the specified identifiers are being set, and
1105no other key mappings with those and more bits are being defined. That 1241no other key mappings with those and more bits are being defined. That
1106means that defining a key map for C<a> will automatically provide 1242means that defining a key map for C<a> will automatically provide
1107definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1243definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1108mappings themselves. 1244mappings themselves.
1109 1245
1160all instances, while B<perl-ext> is used for specific instances. 1296all instances, while B<perl-ext> is used for specific instances.
1161 1297
1162=item B<perl-eval>: I<string> 1298=item B<perl-eval>: I<string>
1163 1299
1164Perl code to be evaluated when all extensions have been registered. See 1300Perl code to be evaluated when all extensions have been registered. See
1165the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1301the @@RXVT_NAME@@perl(3) manpage.
1166will be ignored when running setuid/setgid.
1167 1302
1168=item B<perl-lib>: I<path> 1303=item B<perl-lib>: I<path>
1169 1304
1170Colon-separated list of additional directories that hold extension 1305Colon-separated list of additional directories that hold extension
1171scripts. When looking for extensions specified by the C<perl> resource, 1306scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1172@@RXVT_NAME@@ will first look in these directories and then in 1307look in these directories, then in $HOME/.urxvt/ext and lastly in
1173F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1308F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1174will be ignored when running setuid/setgid.
1175 1309
1176See the @@RXVT_NAME@@perl(3) manpage. 1310See the @@RXVT_NAME@@perl(3) manpage.
1177 1311
1178=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1312=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1179 1313
1201 1335
1202=item B<override-redirect>: I<boolean> 1336=item B<override-redirect>: I<boolean>
1203 1337
1204Compile I<frills>: Sets override-redirect for the terminal window, making 1338Compile I<frills>: Sets override-redirect for the terminal window, making
1205it 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).
1206 1344
1207=item B<iso14755_52:> I<boolean> 1345=item B<iso14755_52:> I<boolean>
1208 1346
1209Turn on/off ISO 14755 5.2 mode (default enabled). 1347Turn on/off ISO 14755 5.2 mode (default enabled).
1210 1348
1285 1423
1286=head1 ISO 14755 SUPPORT 1424=head1 ISO 14755 SUPPORT
1287 1425
1288ISO 14755 is a standard for entering and viewing unicode characters 1426ISO 14755 is a standard for entering and viewing unicode characters
1289and character codes using the keyboard. It consists of 4 parts. The 1427and character codes using the keyboard. It consists of 4 parts. The
1290first part is available rxvt-unicode has been compiled with 1428first part is available if rxvt-unicode has been compiled with
1291C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1429C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1292with C<--enable-iso14755>. 1430with C<--enable-iso14755>.
1293 1431
1294=over 4 1432=over 4
1295 1433
1353B<@@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
1354it 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
1355allow 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
1356on 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.
1357 1495
1358=head1 COLORS AND GRAPHICS 1496=head1 COLOURS AND GRAPHICS
1359 1497
1360In addition to the default foreground and background colours, 1498In addition to the default foreground and background colours,
1361B<@@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
1362high-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
1363colours 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.
1364 1505
1365=begin table 1506=begin table
1366 1507
1367 B<color0> (black) = Black 1508 B<color0> (black) = Black
1368 B<color1> (red) = Red3 1509 B<color1> (red) = Red3
1388It is also possible to specify the colour values of B<foreground>, 1529It is also possible to specify the colour values of B<foreground>,
1389B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1530B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1390a 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
1391color0-color15. 1532color0-color15.
1392 1533
1393In addition to the colours defined above, @@RXVT_NAME@@ offers an 1534The following text gives values for the standard 88 colour mode (and
1394additional 72 colours. The first 64 of those (with indices 16 to 79) 1535values for the 256 colour mode in parentheses).
1395consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
139616>), followed by 8 additional shades of gray (with indices 80 to 87).
1397 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
1398Together, all those colours implement the 88 colour xterm colours. Only 1546Together, all those colours implement the 88 (256) colour xterm
1399the first 16 can be changed using resources currently, the rest can only 1547colours. Only the first 16 can be changed using resources currently, the
1400be 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...).
1401 1552
1402Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1553Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1403always swapping the foreground/background colours. This is in contrast to 1554always swapping the foreground/background colours. This is in contrast to
1404I<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
1405been specified. For example, 1556been specified. For example,
1406 1557
1407=over 4
1408
1409=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1558 @@RXVT_NAME@@ -fg Black -bg White -rv
1410 1559
1411would 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
1412on White. 1561White.
1413
1414=back
1415 1562
1416=head2 ALPHA CHANNEL SUPPORT 1563=head2 ALPHA CHANNEL SUPPORT
1417 1564
1418If 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
1419their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1566their act together, rxvt-unicode will do its own alpha channel management:
1420(recommended, but B<MUST> have 4 digits/component) colour specifications, 1567
1421in 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
1422specifies opacity (alpha) values. The minimum value of C<0> is completely 1579(alpha) values. The minimum value of C<0000> is completely transparent,
1423transparent). You can also prefix any color with C<[percent]>, where 1580while C<ffff> is completely opaque). The two example colours from
1424C<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
1425the color, where C<0> is completely transparent and C<100> is completelxy 1582C<rgba:0000/ff00/0000/f332>.
1426opaque.
1427 1583
1428You 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
1429your 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
1430ARGB 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.
1431 1588
1432For example, the following selects an almost completely transparent red 1589For example, the following selects an almost completely transparent black
1433background, and an almost opaque pink foreground: 1590background, and an almost opaque pink foreground:
1434 1591
1435 @@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"
1436 1593
1437I<Please note that transparency of any kind if completely unsupported by 1594When not using a background image, then the interpretation of the
1438the 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.
1439 1608
1440=head1 ENVIRONMENT 1609=head1 ENVIRONMENT
1441 1610
1442B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1611B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1443 1612
1449resources or on the command line. 1618resources or on the command line.
1450 1619
1451=item B<COLORTERM> 1620=item B<COLORTERM>
1452 1621
1453Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1622Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1454compiled with XPM support, and optionally with the added extension 1623compiled with background image support, and optionally with the added
1455C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1624extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1625screen.
1456 1626
1457=item B<COLORFGBG> 1627=item B<COLORFGBG>
1458 1628
1459Set 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
1460the colour code used as default foreground/text colour (or the string 1630the colour code used as default foreground/text colour (or the string
1461C<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
1462used), 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
1463string 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@@
1464was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1634was compiled with background image support. Libraries like C<ncurses>
1465(and do) use this information to optimize screen output. 1635and C<slang> can (and do) use this information to optimize screen output.
1466 1636
1467=item B<WINDOWID> 1637=item B<WINDOWID>
1468 1638
1469Set 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
1470window, which usually has subwindows for the scrollbar, the terminal 1640window, which usually has subwindows for the scrollbar, the terminal
1476C<--with-terminfo=PATH>. 1646C<--with-terminfo=PATH>.
1477 1647
1478=item B<DISPLAY> 1648=item B<DISPLAY>
1479 1649
1480Used 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
1481display 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.
1482 1653
1483=item B<SHELL> 1654=item B<SHELL>
1484 1655
1485The 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>.
1486 1657
1487=item B<RXVT_SOCKET> 1658=item B<RXVT_SOCKET>
1488 1659
1489The unix domain socket path used by @@RXVT_NAME@@c(1) and 1660The unix domain socket path used by @@RXVT_NAME@@c(1) and
1490@@RXVT_NAME@@d(1). 1661@@RXVT_NAME@@d(1).
1491 1662
1492Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1663Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1493 1664
1494=item B<HOME> 1665=item B<HOME>
1495 1666
1496Used to locate the default directory for the unix domain socket for 1667Used to locate the default directory for the unix domain socket for
1497daemon communications and to locate various resource files (such as 1668daemon communications and to locate various resource files (such as
1498C<.Xdefaults>) 1669C<.Xdefaults>)
1499 1670
1500=item B<XAPPLRESDIR> 1671=item B<XAPPLRESDIR>
1501 1672
1502Directory where various X resource files are being located. 1673Directory where application-specific X resource files are located.
1503 1674
1504=item B<XENVIRONMENT> 1675=item B<XENVIRONMENT>
1505 1676
1506If 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
1507@@RXVT_NAME@@. 1678@@RXVT_NAME@@.
1512 1683
1513=over 4 1684=over 4
1514 1685
1515=item B</usr/lib/X11/rgb.txt> 1686=item B</usr/lib/X11/rgb.txt>
1516 1687
1517Color names. 1688Colour names.
1518 1689
1519=back 1690=back
1520 1691
1521=head1 SEE ALSO 1692=head1 SEE ALSO
1522 1693
1561Project Coordinator (changes.txt 2.21a to 2.4.5) 1732Project Coordinator (changes.txt 2.21a to 2.4.5)
1562 1733
1563=item Geoff Wing L<< <gcw@pobox.com> >> 1734=item Geoff Wing L<< <gcw@pobox.com> >>
1564 1735
1565Rewrote screen display and text selection routines. 1736Rewrote screen display and text selection routines.
1566 1737
1567Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1738Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1568 1739
1569=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1740=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1570 1741
1571Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1742Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1573 1744
1574Project Coordinator (Changes 1.0 -) 1745Project Coordinator (Changes 1.0 -)
1575 1746
1576=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1747=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1577 1748
1578Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1749pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1579 1750
1580=back 1751=back
1581 1752

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