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Revision 1.136 by root, Mon Aug 13 10:01:18 2007 UTC vs.
Revision 1.220 by root, Fri Sep 21 23:31:43 2012 UTC

12emulator intended as an I<xterm>(1) replacement for users who do not 12emulator intended as an I<xterm>(1) replacement for users who do not
13require features such as Tektronix 4014 emulation and toolkit-style 13require features such as Tektronix 4014 emulation and toolkit-style
14configurability. As a result, B<rxvt-unicode> uses much less swap space -- 14configurability. As a result, B<rxvt-unicode> uses much less swap space --
15a significant advantage on a machine serving many X sessions. 15a significant advantage on a machine serving many X sessions.
16 16
17This document is also available on the World-Wide-Web at
18L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod>.
19
17=head1 FREQUENTLY ASKED QUESTIONS 20=head1 FREQUENTLY ASKED QUESTIONS
18 21
19See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of 22See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of
20frequently asked questions and answer to them and some common 23frequently asked questions and answer to them and some common
21problems. That document is also accessible on the World-Wide-Web at 24problems. That document is also accessible on the World-Wide-Web at
22L<http://cvs.schmorp.de/browse/rxvt-unicode/doc/rxvt.7.html>. 25L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.
23 26
24=head1 RXVT-UNICODE VS. RXVT 27=head1 RXVT-UNICODE VS. RXVT
25 28
26Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode 29Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode
27internally. That means it can store and display most scripts in the 30internally. That means it can store and display most scripts in the
30like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devanagari. Don't expect pretty output when using these 34like tibetan or devanagari. Don't expect pretty output when using these
32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 35scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
33fine, though. A somewhat difficult case are right-to-left scripts, such 36fine, though. A somewhat difficult case are right-to-left scripts, such
34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 37as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
35belong into the application, not the terminal emulator (too many things -- 38belong in the application, not the terminal emulator (too many things --
36such as cursor-movement while editing -- break otherwise), but that might 39such as cursor-movement while editing -- break otherwise), but that might
37change. 40change.
38 41
39If you are looking for a terminal that supports more exotic scripts, let 42If you are looking for a terminal that supports more exotic scripts, let
40me recommend C<mlterm>, which is a very user friendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
89 92
90Print out a message describing available options. 93Print out a message describing available options.
91 94
92=item B<-display> I<displayname> 95=item B<-display> I<displayname>
93 96
94Attempt to open a window on the named X display (B<-d> still 97Attempt to open a window on the named X display (the older form B<-d>
95respected). In the absence of this option, the display specified by the 98is still respected. but deprecated). In the absence of this option, the
96B<DISPLAY> environment variable is used. 99display specified by the B<DISPLAY> environment variable is used.
97 100
98=item B<-depth> I<bitdepth> 101=item B<-depth> I<bitdepth>
99 102
100Compile I<xft>: Attempt to find a visual with the given bit depth; 103Compile I<frills>: 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
111=item B<-visual> I<visualID>
112
113Compile I<frills>: Use the given visual (see e.g. C<xdpyinfo> for possible
114visual ids).
115
103=item B<-geometry> I<geom> 116=item B<-geometry> I<geom>
104 117
105Window geometry (B<-g> still respected); resource B<geometry>. 118Window geometry (B<-g> still respected); resource B<geometry>.
106 119
107=item B<-rv>|B<+rv> 120=item B<-rv>|B<+rv>
114 127
115=item B<-ss>|B<+ss> 128=item B<-ss>|B<+ss>
116 129
117Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>. 130Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118 131
119=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 132=item B<-tr>|B<+tr>
120 133
121Turn on/off inheriting parent window's pixmap. Alternative form is 134Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
122B<-tr>; resource B<inheritPixmap>.
123 135
124I<Please note that transparency of any kind if completely unsupported by 136B<-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 137future versions.
126@@RXVT_NAME@@)!>
127 138
128=item B<-fade> I<number> 139=item B<-fade> I<number>
129 140
130Fade the text by the given percentage when focus is lost. Small values 141Fade the text by the given percentage when focus is lost. Small values
131fade a little only, 100 completely replaces all colours by the fade 142fade 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 147Fade to this colour when fading is used (see B<-fade>). The default colour
137is opaque black. resource B<fadeColor>. 148is opaque black. resource B<fadeColor>.
138 149
139=item B<-tint> I<colour> 150=item B<-tint> I<colour>
140 151
141Tint the transparent background pixmap with the given colour when 152Tint the transparent background with the given colour;
142transparency is enabled with B<-tr> or B<-ip>. This only works for 153resource I<tintColor>.
143non-tiled backgrounds, currently. See also the B<-sh> option that can be
144used to brighten or darken the image in addition to tinting it.
145Please note that certain tint colours can be applied on the server-side,
146thus yielding performance gain of two orders of magnitude. These colours are:
147blue, red, green, cyan, magenta, yellow, and those close to them; resource
148I<tintColor>. Example:
149
150 @@RXVT_NAME@@ -tr -tint blue -sh 40
151 154
152=item B<-sh> I<number> 155=item B<-sh> I<number>
153 156
154Darken (0 .. 100) or lighten (-1 .. -100) the transparent 157Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
155background image in addition to (or instead of) tinting it; 158A value of 100 means no shading; resource I<shading>.
156resource I<shading>.
157
158=item B<-blt> I<string>
159
160Specify background blending type. If background pixmap is specified
161at the same time as transparency - such pixmap will be blended over
162transparency image, using method specified. Supported values are :
163B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
164B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
165B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
166alpha-blending; resource I<blendType>.
167 159
168=item B<-blr> I<HxV> 160=item B<-blr> I<HxV>
169 161
170Apply Gaussian Blur with the specified radii to the transparent 162Apply Gaussian Blur with the specified radii to the transparent
171background image. If single number is specified - both vertical and 163background. If a single number is specified, the vertical and
172horizontal radii are considered to be the same. Setting one of the 164horizontal radii are considered to be the same. Setting one of the
173radii to 1 and another to a large number creates interesting effects 165radii to 1 and the other to a large number creates interesting effects
174on some backgrounds. Maximum radius value is 128; resource I<blurRadius>. 166on some backgrounds. The maximum radius value is 128. An horizontal or
167vertical radius of 0 disables blurring;
168resource I<blurRadius>.
169
170=item B<-icon> I<file>
171
172Compile I<pixbuf>: Use the specified image as application icon. This
173is used by many window managers, taskbars and pagers to represent the
174application window; resource I<iconFile>.
175 175
176=item B<-bg> I<colour> 176=item B<-bg> I<colour>
177 177
178Window background colour; resource B<background>. 178Window background colour; resource B<background>.
179 179
180=item B<-fg> I<colour> 180=item B<-fg> I<colour>
181 181
182Window foreground colour; resource B<foreground>. 182Window foreground colour; resource B<foreground>.
183 183
184=item B<-pixmap> I<file[;geom]> 184=item B<-pixmap> I<file[;oplist]>
185 185
186Compile I<afterimage>: Specify image file for the background and also 186Compile I<pixbuf>: Specify image file for the background and also
187optionally specify its scaling with a geometry string. Note you may need to 187optionally specify a list of operations to modify it. Note you may need to
188add quotes to avoid special shell interpretation of the C<;> in the 188add quotes to avoid special shell interpretation of the C<;> in the
189command-line; for more details see resource B<backgroundPixmap>. 189command-line; for more details see resource B<backgroundPixmap>.
190 190
191=item B<-cr> I<colour> 191=item B<-cr> I<colour>
192 192
239italic> >> characters are to be printed. See resource B<boldItalicFont> 239italic> >> characters are to be printed. See resource B<boldItalicFont>
240for details. 240for details.
241 241
242=item B<-is>|B<+is> 242=item B<-is>|B<+is>
243 243
244Compile I<font-styles>: Bold/Italic font styles imply high intensity 244Compile I<font-styles>: Bold/Blink font styles imply high intensity
245foreground/background (default). See resource B<intensityStyles> for 245foreground/background (default). See resource B<intensityStyles> for
246details. 246details.
247 247
248=item B<-name> I<name> 248=item B<-name> I<name>
249 249
267 267
268=item B<-sb>|B<+sb> 268=item B<-sb>|B<+sb>
269 269
270Turn on/off scrollbar; resource B<scrollBar>. 270Turn on/off scrollbar; resource B<scrollBar>.
271 271
272=item B<-sr>|B<+sr>
273
274Put scrollbar on right/left; resource B<scrollBar_right>.
275
276=item B<-st>|B<+st>
277
278Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
279resource B<scrollBar_floating>.
280
272=item B<-si>|B<+si> 281=item B<-si>|B<+si>
273 282
274Turn on/off scroll-to-bottom on TTY output inhibit; resource 283Turn on/off scroll-to-bottom on TTY output inhibit; resource
275B<scrollTtyOutput> has opposite effect. 284B<scrollTtyOutput> has opposite effect.
276 285
282=item B<-sw>|B<+sw> 291=item B<-sw>|B<+sw>
283 292
284Turn on/off scrolling with the scrollback buffer as new lines appear. 293Turn on/off scrolling with the scrollback buffer as new lines appear.
285This only takes effect if B<-si> is also given; resource 294This only takes effect if B<-si> is also given; resource
286B<scrollWithBuffer>. 295B<scrollWithBuffer>.
287
288=item B<-sr>|B<+sr>
289
290Put scrollbar on right/left; resource B<scrollBar_right>.
291
292=item B<-st>|B<+st>
293
294Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
295resource B<scrollBar_floating>.
296 296
297=item B<-ptab>|B<+ptab> 297=item B<-ptab>|B<+ptab>
298 298
299If enabled (default), "Horizontal Tab" characters are being stored as 299If enabled (default), "Horizontal Tab" characters are being stored as
300actual wide characters in the screen buffer, which makes it possible to 300actual wide characters in the screen buffer, which makes it possible to
304 304
305=item B<-bc>|B<+bc> 305=item B<-bc>|B<+bc>
306 306
307Blink the cursor; resource B<cursorBlink>. 307Blink the cursor; resource B<cursorBlink>.
308 308
309=item B<-uc>|B<+uc>
310
311Make the cursor underlined; resource B<cursorUnderline>.
312
309=item B<-iconic> 313=item B<-iconic>
310 314
311Start iconified, if the window manager supports that option. 315Start iconified, if the window manager supports that option.
312Alternative form is B<-ic>. 316Alternative form is B<-ic>.
313 317
329 333
330=item B<-bl> 334=item B<-bl>
331 335
332Compile I<frills>: Set MWM hints to request a borderless window, i.e. 336Compile I<frills>: Set MWM hints to request a borderless window, i.e.
333if honoured by the WM, the rxvt-unicode window will not have window 337if honoured by the WM, the rxvt-unicode window will not have window
334decorations; resource B<borderLess>. 338decorations; resource B<borderLess>. If the window manager does not
339support MWM hints (e.g. kwin), enables override-redirect mode.
335 340
336=item B<-override-redirect> 341=item B<-override-redirect>
337 342
338Compile I<frills>: Sets override-redirect on the window; resource 343Compile I<frills>: Sets override-redirect on the window; resource
339B<override-redirect>. 344B<override-redirect>.
347 352
348=item B<-lsp> I<number> 353=item B<-lsp> I<number>
349 354
350Compile I<frills>: Lines (pixel height) to insert between each row of 355Compile I<frills>: Lines (pixel height) to insert between each row of
351the display. Useful to work around font rendering problems; resource 356the display. Useful to work around font rendering problems; resource
352B<linespace>. 357B<lineSpace>.
358
359=item B<-letsp> I<number>
360
361Compile I<frills>: Amount to adjust the computed character width by
362to control overall letter spacing. Negative values will tighten up the
363letter spacing, positive values will space letters out more. Useful to
364work around odd font metrics; resource B<letterSpace>.
353 365
354=item B<-tn> I<termname> 366=item B<-tn> I<termname>
355 367
356This option specifies the name of the terminal type to be set in the 368This option specifies the name of the terminal type to be set in the
357B<TERM> environment variable. This terminal type must exist in the 369B<TERM> environment variable. This terminal type must exist in the
412 424
413=item B<-tcw> 425=item B<-tcw>
414 426
415Change the meaning of triple-click selection with the left mouse 427Change the meaning of triple-click selection with the left mouse
416button. Only effective when the original (non-perl) selection code is 428button. Only effective when the original (non-perl) selection code is
417in-use. Instead of selecting a full line it will extend the selection the 429in-use. Instead of selecting a full line it will extend the selection to
418end of the logical line only. resource B<tripleclickwords>. 430the end of the logical line only. resource B<tripleclickwords>.
419 431
420=item B<-insecure> 432=item B<-insecure>
421 433
422Enable "insecure" mode, which currently enables most of the escape 434Enable "insecure" mode, which currently enables most of the escape
423sequences that echo strings. See the resource B<insecure> for more 435sequences that echo strings. See the resource B<insecure> for more
443 455
444Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 456Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
445will not immediately destroy its window when the program executed within 457will not immediately destroy its window when the program executed within
446it exits. Instead, it will wait till it is being killed or closed by the 458it exits. Instead, it will wait till it is being killed or closed by the
447user; resource B<hold>. 459user; resource B<hold>.
460
461=item B<-cd> I<path>
462
463Sets the working directory for the shell (or the command specified via
464B<-e>). The I<path> must be an absolute path and it must exist for
465@@RXVT_NAME@@ to start; resource B<chdir>.
466
467=item B<-xrm> I<string>
468
469Works like the X Toolkit option of the same name, by adding the I<string>
470as if it were specified in a resource file. Resource values specified this
471way take precedence over all other resource specifications.
472
473Note that you need to use the I<same> syntax as in the .Xdefaults file,
474e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
475options can be specified as long-options on the commandline, so use
476of B<-xrm> is mostly limited to cases where you want to specify other
477resources (e.g. for input methods) or for compatibility with other
478programs.
448 479
449=item B<-keysym.>I<sym> I<string> 480=item B<-keysym.>I<sym> I<string>
450 481
451Remap a key symbol. See resource B<keysym>. 482Remap a key symbol. See resource B<keysym>.
452 483
487If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 518If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
488entries and will not tinker with pty/tty permissions - you have to do that 519entries and will not tinker with pty/tty permissions - you have to do that
489yourself if you want that. 520yourself if you want that.
490 521
491As an extremely special case, specifying C<-1> will completely suppress 522As an extremely special case, specifying C<-1> will completely suppress
492pty/tty operations. 523pty/tty operations, which is probably only useful in conjunction with some
524perl extension that manages the terminal.
493 525
494Here is a example in perl that illustrates how this option can be used (a 526Here is a example in perl that illustrates how this option can be used (a
495longer example is in F<doc/pty-fd>): 527longer example is in F<doc/pty-fd>):
496 528
497 use IO::Pty; 529 use IO::Pty;
511Comma-separated list of perl extension scripts to use (or not to use) in 543Comma-separated list of perl extension scripts to use (or not to use) in
512this terminal instance. See resource B<perl-ext> for details. 544this terminal instance. See resource B<perl-ext> for details.
513 545
514=back 546=back
515 547
516=head1 RESOURCES (available also as long-options) 548=head1 RESOURCES
517 549
518Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 550Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
519options) compiled into your version. 551options) compiled into your version. All resources are also available as
552long-options.
520 553
521You can set and change the resources using X11 tools like B<xrdb>. Many 554You can set and change the resources using X11 tools like B<xrdb>. Many
522distribution do also load settings from the B<~/.Xresources> file when X 555distribution do also load settings from the B<~/.Xresources> file when X
523starts. @@RXVT_NAME@@ will consult the following files/resources in order, 556starts. @@RXVT_NAME@@ will consult the following files/resources in order,
524with later settings overwriting earlier ones: 557with later settings overwriting earlier ones:
525 558
526 1. system-wide app-defaults file, either locale-dependent OR global
527 2. app-defaults file in $XAPPLRESDIR 559 1. app-defaults file in $XAPPLRESDIR
560 2. $HOME/.Xdefaults
528 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 561 3. RESOURCE_MANAGER property on root-window of screen 0
529 4. SCREEN_RESOURCES for the current screen 562 4. SCREEN_RESOURCES property on root-window of the current screen
530 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 563 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
564 6. resources specified via -xrm on the commandline
531 565
532Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 566Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
533names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 567names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
534common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 568common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
535configured, while the class name B<URxvt> allows resources unique to 569configured, while the class name B<URxvt> allows resources unique to
545=item B<depth:> I<bitdepth> 579=item B<depth:> I<bitdepth>
546 580
547Compile I<xft>: Attempt to find a visual with the given bit depth; 581Compile I<xft>: Attempt to find a visual with the given bit depth;
548option B<-depth>. 582option B<-depth>.
549 583
584=item B<buffered:> I<boolean>
585
586Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
587On some card/driver combination enabling it slightly decreases
588performance, on most it greatly helps it. The slowdown is small, so it
589should normally be enabled.
590
550=item B<geometry:> I<geom> 591=item B<geometry:> I<geom>
551 592
552Create the window with the specified X window geometry [default 80x24]; 593Create the window with the specified X window geometry [default 80x24];
553option B<-geometry>. 594option B<-geometry>.
554 595
567Use the specified colour for the colour value I<n>, where 0-7 608Use the specified colour for the colour value I<n>, where 0-7
568corresponds to low-intensity (normal) colours and 8-15 corresponds to 609corresponds to low-intensity (normal) colours and 8-15 corresponds to
569high-intensity (bold = bright foreground, blink = bright background) 610high-intensity (bold = bright foreground, blink = bright background)
570colours. The canonical names are as follows: 0=black, 1=red, 2=green, 611colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5713=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6123=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
572names used are listed in the B<COLORS AND GRAPHICS> section. 613names used are listed in the B<COLOURS AND GRAPHICS> section.
573 614
574Colours higher than 15 cannot be set using resources (yet), but can be 615Colours higher than 15 cannot be set using resources (yet), but can be
575changed using an escape command (see @@RXVT_NAME@@(7)). 616changed using an escape command (see @@RXVT_NAME@@(7)).
576 617
577Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 618Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
588=item B<colorUL:> I<colour> 629=item B<colorUL:> I<colour>
589 630
590Use the specified colour to display underlined characters when the 631Use the specified colour to display underlined characters when the
591foreground colour is the default. 632foreground colour is the default.
592 633
593=item B<colorRV:> I<colour>
594
595Use the specified colour as the background for reverse video characters
596when OPTION_HC is disabled (--disable-frills).
597
598=item B<underlineColor:> I<colour> 634=item B<underlineColor:> I<colour>
599 635
600If set, use the specified colour as the colour for the underline 636If set, use the specified colour as the colour for the underline
601itself. If unset, use the foreground colour. 637itself. If unset, use the foreground colour.
638
639=item B<highlightColor:> I<colour>
640
641If set, use the specified colour as the background for highlighted
642characters. If unset, use reverse video.
643
644=item B<highlightTextColor:> I<colour>
645
646If set and highlightColor is set, use the specified colour as the
647foreground for highlighted characters.
602 648
603=item B<cursorColor:> I<colour> 649=item B<cursorColor:> I<colour>
604 650
605Use the specified colour for the cursor. The default is to use the 651Use the specified colour for the cursor. The default is to use the
606foreground colour; option B<-cr>. 652foreground colour; option B<-cr>.
613 659
614=item B<reverseVideo:> I<boolean> 660=item B<reverseVideo:> I<boolean>
615 661
616B<True>: simulate reverse video by foreground and background colours; 662B<True>: simulate reverse video by foreground and background colours;
617option B<-rv>. B<False>: regular screen colours [default]; option 663option B<-rv>. B<False>: regular screen colours [default]; option
618B<+rv>. See note in B<COLORS AND GRAPHICS> section. 664B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
619 665
620=item B<jumpScroll:> I<boolean> 666=item B<jumpScroll:> I<boolean>
621 667
622B<True>: specify that jump scrolling should be used. When receiving lots 668B<True>: specify that jump scrolling should be used. When receiving lots
623of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines 669of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
637 683
638B<False>: specify that everything is to be displayed, even 684B<False>: specify that everything is to be displayed, even
639if the refresh is too fast for the human eye to read anything (or the 685if the refresh is too fast for the human eye to read anything (or the
640monitor to display anything); option B<+ss>. 686monitor to display anything); option B<+ss>.
641 687
642=item B<inheritPixmap:> I<boolean> 688=item B<transparent:> I<boolean>
643 689
644B<True>: make the background inherit the parent windows' pixmap, giving 690Turn on/off pseudo-transparency by using the root pixmap as background.
645artificial transparency. B<False>: do not inherit the parent windows'
646pixmap.
647 691
648I<Please note that transparency of any kind if completely unsupported by 692B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
649the author. Don't bug him with installation questions!> 693future versions.
650 694
651=item B<fading:> I<number> 695=item B<fading:> I<number>
652 696
653Fade the text by the given percentage when focus is lost; option B<-fade>. 697Fade the text by the given percentage when focus is lost; option B<-fade>.
654 698
657Fade to this colour, when fading is used (see B<fading:>). The default 701Fade to this colour, when fading is used (see B<fading:>). The default
658colour is black; option B<-fadecolor>. 702colour is black; option B<-fadecolor>.
659 703
660=item B<tintColor:> I<colour> 704=item B<tintColor:> I<colour>
661 705
662Tint the transparent background pixmap with the given colour; option 706Tint the transparent background with the given colour. If the RENDER
663B<-tint>. 707extension is not available only black, red, green, yellow, blue,
708magenta, cyan and white tints can be performed server-side. Note that
709a black tint yields a completely black image while a white tint yields
710the image unchanged; option B<-tint>.
664 711
665=item B<shading:> I<number> 712=item B<shading:> I<number>
666 713
667Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 714Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
668in addition to tinting it; option B<-sh>. 715A value of 100 means no shading; option B<-sh>.
669
670=item B<blendType:> I<string>
671
672Specify background blending type; option B<-blt>.
673 716
674=item B<blurRadius:> I<number> 717=item B<blurRadius:> I<number>
675 718
676Apply Gaussian Blurr with the specified radius to the transparent 719Apply gaussian blur with the specified radius to the transparent
677background image; option B<-blr>. 720background; option B<-blr>.
721
722=item B<iconFile:> I<file>
723
724Set the application icon pixmap; option B<-icon>.
678 725
679=item B<scrollColor:> I<colour> 726=item B<scrollColor:> I<colour>
680 727
681Use the specified colour for the scrollbar [default #B2B2B2]. 728Use the specified colour for the scrollbar [default #B2B2B2].
682 729
688=item B<borderColor:> I<colour> 735=item B<borderColor:> I<colour>
689 736
690The colour of the border around the text area and between the scrollbar 737The colour of the border around the text area and between the scrollbar
691and the text. 738and the text.
692 739
693=item B<backgroundPixmap:> I<file[;geom]> 740=item B<backgroundPixmap:> I<file[;oplist]>
694 741
695Use the specified image file for the background and also optionally 742Use the specified image file for the background and also
696specify its scaling with a geometry string B<WxH+X+Y>, 743optionally specify a colon separated list of operations to modify it.
697in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 744Supported operations are:
745
746=over 4
747
748=item B<WxH+X+Y>
749
750sets scale and position. B<"W" / "H"> specify the horizontal/vertical
698and B<"X" / "Y"> locate the image centre (percent). 751scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
699A scale of 0 displays the image with tiling. A scale of 1 displays the 752scale of 0 disables scaling.
700image without any scaling. A scale of 2 to 9 specifies an integer 753
701number of images in that direction. No image will be magnified beyond 754=item B<op=tile>
70210 times its original size. The maximum permitted scale is 1000. 755
703Special string of B<"auto"> used as a geometry will cause image to be 756enables tiling
704automatically scaled to match window size. 757
758=item B<op=keep-aspect>
759
760maintain the image aspect ratio when scaling
761
762=item B<op=root-align>
763
764use the position of the terminal window relative to the root window as
765the image offset, simulating a root window background
766
767=back
768
769The default scale and position setting is C<100x100+50+50>.
770Alternatively, a predefined set of templates can be used to achieve
771the most common setups:
772
773=over 4
774
775=item B<style=tiled>
776
777the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
778
779=item B<style=aspect-stretched>
780
781the image is scaled to fill the whole window maintaining the aspect
782ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
783
784=item B<style=stretched>
785
786the image is scaled to fill the whole window. Equivalent to 100x100
787
788=item B<style=centered>
789
790the image is centered with no scaling. Equivalent to 0x0+50+50
791
792=item B<style=root-tiled>
793
794the image is tiled with no scaling and using 'root' positioning.
795Equivalent to 0x0:op=tile:op=root-align
796
797=back
798
799If multiple templates are specified the last one wins. Note that a
800template overrides all the scale, position and operations settings.
801
705If used in conjunction with B<-tr> option - specified pixmap will be 802If used in conjunction with B<-tr> option, the specified pixmap will be
706blended over transparency image using either alpha-blending, or any 803blended over the transparent background using alpha-blending.
707other blending type, specified with B<-blt "type"> option.
708[default 0x0+50+50]
709 804
710=item B<path:> I<path> 805=item B<path:> I<path>
711 806
712Specify the colon-delimited search path for finding XPM files. 807Specify the colon-delimited search path for finding background image files.
713 808
714=item B<font:> I<fontlist> 809=item B<font:> I<fontlist>
715 810
716Select the fonts to be used. This is a comma separated list of font names 811Select the fonts to be used. This is a comma separated list of font names
717that are checked in order when trying to find glyphs for characters. The 812that are checked in order when trying to find glyphs for characters. The
740it is named first) and thus defines the character cell grid to be 9 pixels 835it is named first) and thus defines the character cell grid to be 9 pixels
741wide and 15 pixels high. 836wide and 15 pixels high.
742 837
743The second font is just used to add additional unicode characters not in 838The second font is just used to add additional unicode characters not in
744the base font, likewise the third, which is unfortunately non-bold, but 839the base font, likewise the third, which is unfortunately non-bold, but
745the bold version of the font does contain less characters, so this is a 840the bold version of the font does contain fewer characters, so this is a
746useful supplement. 841useful supplement.
747 842
748The third font is an Xft font with aliasing turned off, and the characters 843The third font is an Xft font with aliasing turned off, and the characters
749are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 844are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
750contains other characters, but we are not interested in them. 845contains other characters, but we are not interested in them.
774text font will being used for the given style. 869text font will being used for the given style.
775 870
776=item B<intensityStyles:> I<boolean> 871=item B<intensityStyles:> I<boolean>
777 872
778When font styles are not enabled, or this option is enabled (B<True>, 873When font styles are not enabled, or this option is enabled (B<True>,
779option B<-is>, the default), bold and italic font styles imply high 874option B<-is>, the default), bold/blink font styles imply high
780intensity foreground/background colours. Disabling this option (B<False>, 875intensity foreground/background colours. Disabling this option (B<False>,
781option B<+is>) disables this behaviour, the high intensity colours are not 876option B<+is>) disables this behaviour, the high intensity colours are not
782reachable. 877reachable.
783 878
784=item B<selectstyle:> I<mode>
785
786Set mouse selection style to B<old> which is 2.20, B<oldword> which
787is xterm style with 2.20 old word selection, or anything else which
788gives xterm style selection. Only effective when the original (non-perl)
789selection code is in use.
790
791=item B<scrollstyle:> I<mode>
792
793Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
794the author's favourite.
795
796=item B<title:> I<string> 879=item B<title:> I<string>
797 880
798Set window title string, the default title is the command-line 881Set window title string, the default title is the command-line
799specified after the B<-e> option, if any, otherwise the application 882specified after the B<-e> option, if any, otherwise the application
800name; option B<-title>. 883name; option B<-title>.
813=item B<urgentOnBell:> I<boolean> 896=item B<urgentOnBell:> I<boolean>
814 897
815B<True>: set the urgency hint for the wm on receipt of a bell character. 898B<True>: set the urgency hint for the wm on receipt of a bell character.
816B<False>: do not set the urgency hint [default]. 899B<False>: do not set the urgency hint [default].
817 900
901@@RXVT_NAME@@ resets the urgency hint on every focus change.
902
818=item B<visualBell:> I<boolean> 903=item B<visualBell:> I<boolean>
819 904
820B<True>: use visual bell on receipt of a bell character; option B<-vb>. 905B<True>: use visual bell on receipt of a bell character; option B<-vb>.
821B<False>: no visual bell [default]; option B<+vb>. 906B<False>: no visual bell [default]; option B<+vb>.
822 907
845 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 930 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
846 931
847This creates a new file in your home directory with the screen contents 932This creates a new file in your home directory with the screen contents
848every time you hit C<Print>. 933every time you hit C<Print>.
849 934
935=item B<scrollstyle:> I<mode>
936
937Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
938the author's favourite.
939
940=item B<thickness:> I<number>
941
942Set the scrollbar width in pixels.
943
850=item B<scrollBar:> I<boolean> 944=item B<scrollBar:> I<boolean>
851 945
852B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 946B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
853disable the scrollbar; option B<+sb>. 947disable the scrollbar; option B<+sb>.
854 948
873B<False>: do not scroll to bottom when tty receives output; option 967B<False>: do not scroll to bottom when tty receives output; option
874B<+si>. 968B<+si>.
875 969
876=item B<scrollWithBuffer:> I<boolean> 970=item B<scrollWithBuffer:> I<boolean>
877 971
878B<True>: scroll with scrollback buffer when tty receives new lines (and 972B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
879B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 973try to show the same lines) and B<scrollTtyOutput> is False; option
880with scrollback buffer when tty receives new lines; option B<+sw>. 974B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
975new lines; option B<+sw>.
881 976
882=item B<scrollTtyKeypress:> I<boolean> 977=item B<scrollTtyKeypress:> I<boolean>
883 978
884B<True>: scroll to bottom when a non-special key is pressed. Special keys 979B<True>: scroll to bottom when a non-special key is pressed. Special keys
885are those which are intercepted by rxvt-unicode for special handling and 980are those which are intercepted by rxvt-unicode for special handling and
916=item B<termName:> I<termname> 1011=item B<termName:> I<termname>
917 1012
918Specifies the terminal type name to be set in the B<TERM> environment 1013Specifies the terminal type name to be set in the B<TERM> environment
919variable; option B<-tn>. 1014variable; option B<-tn>.
920 1015
921=item B<linespace:> I<number> 1016=item B<lineSpace:> I<number>
922 1017
923Specifies number of lines (pixel height) to insert between each row of 1018Specifies number of lines (pixel height) to insert between each row of
924the display [default 0]; option B<-lsp>. 1019the display [default 0]; option B<-lsp>.
925 1020
926=item B<meta8:> I<boolean> 1021=item B<meta8:> I<boolean>
940 1035
941=item B<cursorBlink:> I<boolean> 1036=item B<cursorBlink:> I<boolean>
942 1037
943B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1038B<True>: blink the cursor. B<False>: do not blink the cursor [default];
944option B<-bc>. 1039option B<-bc>.
1040
1041=item B<cursorUnderline:> I<boolean>
1042
1043B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1044option B<-uc>.
945 1045
946=item B<pointerBlank:> I<boolean> 1046=item B<pointerBlank:> I<boolean>
947 1047
948B<True>: blank the pointer when a key is pressed or after a set number 1048B<True>: blank the pointer when a key is pressed or after a set number
949of seconds of inactivity. B<False>: the pointer is always visible 1049of seconds of inactivity. B<False>: the pointer is always visible
963large number (e.g. C<987654321>) to effectively disable the timeout. 1063large number (e.g. C<987654321>) to effectively disable the timeout.
964 1064
965=item B<backspacekey:> I<string> 1065=item B<backspacekey:> I<string>
966 1066
967The string to send when the backspace key is pressed. If set to B<DEC> 1067The string to send when the backspace key is pressed. If set to B<DEC>
968or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1068or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
969(code 8) - which can be reversed with the appropriate DEC private mode 1069(code 8) - which can be reversed with the appropriate DEC private mode
970escape sequence. 1070escape sequence.
971 1071
972=item B<deletekey:> I<string> 1072=item B<deletekey:> I<string>
973 1073
986will be created). In this mode, characters outside ISO-8859-1 can be used. 1086will be created). In this mode, characters outside ISO-8859-1 can be used.
987 1087
988When the selection extension is not used, only ISO-8859-1 characters can 1088When the selection extension is not used, only ISO-8859-1 characters can
989be used. If not specified, the built-in default is used: 1089be used. If not specified, the built-in default is used:
990 1090
991B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1091B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
992 1092
993=item B<preeditType:> I<style> 1093=item B<preeditType:> I<style>
994 1094
995B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1095B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
996 1096
1052 1152
1053=item B<secondaryScroll:> I<boolean> 1153=item B<secondaryScroll:> I<boolean>
1054 1154
1055Turn on/off secondary screen scroll (default enabled). If this 1155Turn on/off secondary screen scroll (default enabled). If this
1056option is enabled, scrolls on the secondary screen will change the 1156option is enabled, scrolls on the secondary screen will change the
1057scrollback buffer and switching to/from the secondary screen will 1157scrollback buffer and, when secondaryScreen is off, switching
1058instead scroll the screen up. 1158to/from the secondary screen will instead scroll the screen up.
1059 1159
1060=item B<hold>: I<boolean> 1160=item B<hold>: I<boolean>
1061 1161
1062Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1162Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1063will not immediately destroy its window when the program executed within 1163will not immediately destroy its window when the program executed within
1064it exits. Instead, it will wait till it is being killed or closed by the 1164it exits. Instead, it will wait till it is being killed or closed by the
1065user. 1165user.
1166
1167=item B<chdir>: I<path>
1168
1169Sets the working directory for the shell (or the command specified via
1170B<-e>). The I<path> must be an absolute path and it must exist for
1171@@RXVT_NAME@@ to start. If it isn't specified then the current working
1172directory will be used; option B<-cd>.
1066 1173
1067=item B<keysym.>I<sym>: I<string> 1174=item B<keysym.>I<sym>: I<string>
1068 1175
1069Compile I<frills>: Associate I<string> with keysym I<sym>. The 1176Compile I<frills>: Associate I<string> with keysym I<sym>. The
1070intervening resource name B<keysym.> cannot be omitted. 1177intervening resource name B<keysym.> cannot be omitted.
1084searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1191searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1085omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1192omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1086keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1193keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1087performed in an exact manner; however, the closest match is assured. 1194performed in an exact manner; however, the closest match is assured.
1088 1195
1089I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1196I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1090C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1197number), see RESOURCES in C<man 7 X> for further details.
1091C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1092C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1093can start or end with whitespace. B<This feature is deprecated and will
1094be removed>.
1095 1198
1096Please note that you need to double the C<\> in resource files, as
1097Xlib itself does its own de-escaping (you can use C<\033> instead of
1098C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1099processing).
1100
1101You can define a range of keysyms in one shot by providing a I<string> 1199You can define a range of keysyms in one shot by
1200loading the C<keysym-list> perl extension and providing a I<string>
1102with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1201with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1103should be a character not used by the strings. 1202should be a character not used by the strings.
1104 1203
1105Its usage can be demonstrated by an example: 1204Its usage can be demonstrated by an example:
1106 1205
1107 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1206 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1108 1207
1109The above line is equivalent to the following three lines: 1208The above line is equivalent to the following three lines:
1110 1209
1111 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1210 URxvt.keysym.Meta-Control-0x61: \033<a>
1112 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1211 URxvt.keysym.Meta-Control-0x62: \033<b>
1113 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1212 URxvt.keysym.Meta-Control-0x63: \033<c>
1114 1213
1115If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1214If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1116is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1215is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1117example the following means "change the current locale to C<zh_CN.GBK> 1216example the following means "change the current locale to C<zh_CN.GBK>
1118when Control-Meta-c is being pressed": 1217when Control-Meta-c is being pressed":
1119 1218
1120 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1219 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1121 1220
1122If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1221If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1123is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1222is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1124manpage. For example, the F<selection> extension (activated via 1223manpage. For example, the F<selection> extension (activated via
1125C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1224C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1126 1225
1127 URxvt.keysym.M-C-c: perl:selection:rot13 1226 URxvt.keysym.M-C-c: perl:selection:rot13
1128 1227
1129Due the the large number of modifier combinations, a defined key mapping 1228Due the the large number of modifier combinations, a defined key mapping
1130will match if at I<at least> the specified identifiers are being set, and 1229will match if I<at least> the specified identifiers are being set, and
1131no other key mappings with those and more bits are being defined. That 1230no other key mappings with those and more bits are being defined. That
1132means that defining a key map for C<a> will automatically provide 1231means that defining a key map for C<a> will automatically provide
1133definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1232definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1134mappings themselves. 1233mappings themselves.
1135 1234
1186all instances, while B<perl-ext> is used for specific instances. 1285all instances, while B<perl-ext> is used for specific instances.
1187 1286
1188=item B<perl-eval>: I<string> 1287=item B<perl-eval>: I<string>
1189 1288
1190Perl code to be evaluated when all extensions have been registered. See 1289Perl code to be evaluated when all extensions have been registered. See
1191the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1290the @@RXVT_NAME@@perl(3) manpage.
1192will be ignored when running setuid/setgid.
1193 1291
1194=item B<perl-lib>: I<path> 1292=item B<perl-lib>: I<path>
1195 1293
1196Colon-separated list of additional directories that hold extension 1294Colon-separated list of additional directories that hold extension
1197scripts. When looking for extensions specified by the C<perl> resource, 1295scripts. When looking for perl extensions, @@RXVT_NAME@@ will first look
1198@@RXVT_NAME@@ will first look in these directories and then in 1296in these directories, then in C<$URXVT_PERL_LIB>, F<$HOME/.urxvt/ext> and
1199F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1297lastly in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1200will be ignored when running setuid/setgid.
1201 1298
1202See the @@RXVT_NAME@@perl(3) manpage. 1299See the @@RXVT_NAME@@perl(3) manpage.
1203 1300
1204=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1301=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1205 1302
1227 1324
1228=item B<override-redirect>: I<boolean> 1325=item B<override-redirect>: I<boolean>
1229 1326
1230Compile I<frills>: Sets override-redirect for the terminal window, making 1327Compile I<frills>: Sets override-redirect for the terminal window, making
1231it almost invisible to window managers; option B<-override-redirect>. 1328it almost invisible to window managers; option B<-override-redirect>.
1329
1330=item B<iso14755:> I<boolean>
1331
1332Turn on/off ISO 14755 (default enabled).
1232 1333
1233=item B<iso14755_52:> I<boolean> 1334=item B<iso14755_52:> I<boolean>
1234 1335
1235Turn on/off ISO 14755 5.2 mode (default enabled). 1336Turn on/off ISO 14755 5.2 mode (default enabled).
1236 1337
1379B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1480B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1380it can be seen via the I<who(1)> command, and can accept messages. To 1481it can be seen via the I<who(1)> command, and can accept messages. To
1381allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1482allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1382on some systems or setgid to root or to some other group on others. 1483on some systems or setgid to root or to some other group on others.
1383 1484
1384=head1 COLORS AND GRAPHICS 1485=head1 COLOURS AND GRAPHICS
1385 1486
1386In addition to the default foreground and background colours, 1487In addition to the default foreground and background colours,
1387B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1488B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1388high-intensity bold/blink versions of the same). Here is a list of the 1489high-intensity (potentially bold/blink) versions of the same, and 72 (or
1389colours with their names. 1490240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1491cube plus a 8 (24) colour greyscale ramp.
1492
1493Here is a list of the ANSI colours with their names.
1390 1494
1391=begin table 1495=begin table
1392 1496
1393 B<color0> (black) = Black 1497 B<color0> (black) = Black
1394 B<color1> (red) = Red3 1498 B<color1> (red) = Red3
1414It is also possible to specify the colour values of B<foreground>, 1518It is also possible to specify the colour values of B<foreground>,
1415B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1519B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1416a number 0-15, as a convenient shorthand to reference the colour name of 1520a number 0-15, as a convenient shorthand to reference the colour name of
1417color0-color15. 1521color0-color15.
1418 1522
1419In addition to the colours defined above, @@RXVT_NAME@@ offers an 1523The following text gives values for the standard 88 colour mode (and
1420additional 72 colours. The first 64 of those (with indices 16 to 79) 1524values for the 256 colour mode in parentheses).
1421consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
142216>), followed by 8 additional shades of gray (with indices 80 to 87).
1423 1525
1526The RGB cube uses indices 16..79 (16..231) using the following formulas:
1527
1528 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1529 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1530
1531The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1532steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1533the RGB cube.
1534
1424Together, all those colours implement the 88 colour xterm colours. Only 1535Together, all those colours implement the 88 (256) colour xterm
1425the first 16 can be changed using resources currently, the rest can only 1536colours. Only the first 16 can be changed using resources currently, the
1426be changed via command sequences ("escape codes"). 1537rest can only be changed via command sequences ("escape codes").
1538
1539Applications are advised to use terminfo or command sequences to discover
1540number and RGB values of all colours (yes, you can query this...).
1427 1541
1428Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1542Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1429always swapping the foreground/background colours. This is in contrast to 1543always swapping the foreground/background colours. This is in contrast to
1430I<xterm>(1) where the colours are only swapped if they have not otherwise 1544I<xterm>(1) where the colours are only swapped if they have not otherwise
1431been specified. For example, 1545been specified. For example,
1432 1546
1433=over 4
1434
1435=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1547 @@RXVT_NAME@@ -fg Black -bg White -rv
1436 1548
1437would yield White on Black, while on I<xterm>(1) it would yield Black 1549would yield White on Black, while on I<xterm>(1) it would yield Black on
1438on White. 1550White.
1439
1440=back
1441 1551
1442=head2 ALPHA CHANNEL SUPPORT 1552=head2 ALPHA CHANNEL SUPPORT
1443 1553
1444If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1554If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1445their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1555their act together, rxvt-unicode will do its own alpha channel management:
1446(recommended, but B<MUST> have 4 digits/component) colour specifications, 1556
1447in addition to the ones provided by X, where the additional A component 1557You can prefix any colour with an opaqueness percentage enclosed in
1558brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1559(0-100) that specifies the opacity of the colour, where C<0> is completely
1560transparent and C<100> is completely opaque. For example, C<[50]red> is a
1561half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1562is the recommended format to specify transparency values, and works with
1563all ways to specify a colour.
1564
1565For complete control, rxvt-unicode also supports
1566C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1567specifications, where the additional C<aaaa> component specifies opacity
1448specifies opacity (alpha) values. The minimum value of C<0> is completely 1568(alpha) values. The minimum value of C<0000> is completely transparent,
1449transparent). You can also prefix any color with C<[percent]>, where 1569while C<ffff> is completely opaque). The two example colours from
1450C<percent> is a decimal percentage (0-100) that specifies the opacity of 1570earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1451the color, where C<0> is completely transparent and C<100> is completelxy 1571C<rgba:0000/ff00/0000/f332>.
1452opaque.
1453 1572
1454You probably need to specify B<"-depth 32">, too, and have the luck that 1573You probably need to specify B<"-depth 32">, too, to force a visual with
1455your X-server uses ARGB pixel layout, as X is far from just supporting 1574alpha channels, and have the luck that your X-server uses ARGB pixel
1456ARGB visuals out of the box, and rxvt-unicode just fudges around. 1575layout, as X is far from just supporting ARGB visuals out of the box, and
1576rxvt-unicode just fudges around.
1457 1577
1458For example, the following selects an almost completely transparent red 1578For example, the following selects an almost completely transparent black
1459background, and an almost opaque pink foreground: 1579background, and an almost opaque pink foreground:
1460 1580
1461 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1581 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1462 1582
1463I<Please note that transparency of any kind if completely unsupported by 1583When not using a background image, then the interpretation of the
1464the author. Don't bug him with installation questions!> 1584alpha channel is up to your compositing manager (most interpret it as
1585transparency of course).
1586
1587When using a background pixmap or pseudo-transparency, then the background
1588colour will always behave as if it were completely transparent (so the
1589background image shows instead), regardless of how it was specified, while
1590other colours will either be transparent as specified (the background
1591image will show through) on servers supporting the RENDER extension, or
1592fully opaque on servers not supporting the RENDER EXTENSION.
1593
1594Please note that due to bugs in Xft, specifying alpha values might result
1595in garbage being displayed when the X-server does not support the RENDER
1596extension.
1465 1597
1466=head1 ENVIRONMENT 1598=head1 ENVIRONMENT
1467 1599
1468B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1600B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1469 1601
1475resources or on the command line. 1607resources or on the command line.
1476 1608
1477=item B<COLORTERM> 1609=item B<COLORTERM>
1478 1610
1479Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1611Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1480compiled with XPM support, and optionally with the added extension 1612compiled with background image support, and optionally with the added
1481C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1613extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1614screen.
1482 1615
1483=item B<COLORFGBG> 1616=item B<COLORFGBG>
1484 1617
1485Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1618Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1486the colour code used as default foreground/text colour (or the string 1619the colour code used as default foreground/text colour (or the string
1487C<default> to indicate that the default-colour escape sequence is to be 1620C<default> to indicate that the default-colour escape sequence is to be
1488used), C<bg> is the colour code used as default background colour (or the 1621used), C<bg> is the colour code used as default background colour (or the
1489string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1622string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1490was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1623was compiled with background image support. Libraries like C<ncurses>
1491(and do) use this information to optimize screen output. 1624and C<slang> can (and do) use this information to optimize screen output.
1492 1625
1493=item B<WINDOWID> 1626=item B<WINDOWID>
1494 1627
1495Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1628Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1496window, which usually has subwindows for the scrollbar, the terminal 1629window, which usually has subwindows for the scrollbar, the terminal
1502C<--with-terminfo=PATH>. 1635C<--with-terminfo=PATH>.
1503 1636
1504=item B<DISPLAY> 1637=item B<DISPLAY>
1505 1638
1506Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1639Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1507display in its child processes. 1640display in its child processes if C<-display> isn't used to override. It
1641defaults to C<:0> if it doesn't exist.
1508 1642
1509=item B<SHELL> 1643=item B<SHELL>
1510 1644
1511The shell to be used for command execution, defaults to C</bin/sh>. 1645The shell to be used for command execution, defaults to C</bin/sh>.
1512 1646
1513=item B<RXVT_SOCKET> 1647=item B<RXVT_SOCKET> [I<sic>]
1514 1648
1515The unix domain socket path used by @@RXVT_NAME@@c(1) and 1649The unix domain socket path used by @@RXVT_NAME@@c(1) and
1516@@RXVT_NAME@@d(1). 1650@@RXVT_NAME@@d(1).
1517 1651
1518Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1652Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1653
1654=item B<URXVT_PERL_LIB>
1655
1656Additional F<:>-separated library search path for perl extensions. Will be
1657searched after B<-perl-lib> but before F<~/.urxvt/ext> and the system library
1658directory.
1659
1660=item B<URXVT_PERL_VERBOSITY>
1661
1662See L<@@RXVT_NAME@@perl>(3).
1519 1663
1520=item B<HOME> 1664=item B<HOME>
1521 1665
1522Used to locate the default directory for the unix domain socket for 1666Used to locate the default directory for the unix domain socket for
1523daemon communications and to locate various resource files (such as 1667daemon communications and to locate various resource files (such as
1524C<.Xdefaults>) 1668C<.Xdefaults>)
1525 1669
1526=item B<XAPPLRESDIR> 1670=item B<XAPPLRESDIR>
1527 1671
1528Directory where various X resource files are being located. 1672Directory where application-specific X resource files are located.
1529 1673
1530=item B<XENVIRONMENT> 1674=item B<XENVIRONMENT>
1531 1675
1532If set and accessible, gives the name of a X resource file to be loaded by 1676If set and accessible, gives the name of a X resource file to be loaded by
1533@@RXVT_NAME@@. 1677@@RXVT_NAME@@.
1538 1682
1539=over 4 1683=over 4
1540 1684
1541=item B</usr/lib/X11/rgb.txt> 1685=item B</usr/lib/X11/rgb.txt>
1542 1686
1543Color names. 1687Colour names.
1544 1688
1545=back 1689=back
1546 1690
1547=head1 SEE ALSO 1691=head1 SEE ALSO
1548 1692
1693@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1), @@RXVT_NAME@@d(1), @@RXVT_NAME@@-extensions(1),
1549@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1), @@RXVT_NAME@@d(1), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5) 1694@@RXVT_NAME@@perl(3), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5)
1550 1695
1551=head1 CURRENT PROJECT COORDINATOR 1696=head1 CURRENT PROJECT COORDINATOR
1552 1697
1553=over 4 1698=over 4
1554 1699
1587Project Coordinator (changes.txt 2.21a to 2.4.5) 1732Project Coordinator (changes.txt 2.21a to 2.4.5)
1588 1733
1589=item Geoff Wing L<< <gcw@pobox.com> >> 1734=item Geoff Wing L<< <gcw@pobox.com> >>
1590 1735
1591Rewrote screen display and text selection routines. 1736Rewrote screen display and text selection routines.
1592 1737
1593Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1738Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1594 1739
1595=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1740=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1596 1741
1597Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1742Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1599 1744
1600Project Coordinator (Changes 1.0 -) 1745Project Coordinator (Changes 1.0 -)
1601 1746
1602=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1747=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1603 1748
1604Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1749pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1605 1750
1606=back 1751=back
1607 1752

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