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Revision 1.129 by root, Mon May 28 20:34:56 2007 UTC vs.
Revision 1.203 by sf-exg, Sat Aug 13 09:05:43 2011 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 40 150=item B<-sh> I<number>
144 151
145=item B<-sh>
146
147I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
148background image in addition to tinting it (i.e. B<-tint> must be 153A value of 100 means no shading; resource I<shading>.
149specified, too, e.g. C<-tint white>); resource I<shading>. 154
155=item B<-blt> I<string>
156
157Specify background blending type. If background pixmap is specified
158at the same time as transparency - such pixmap will be blended over
159the transparent background, using the method specified. Supported values are:
160B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
162B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
163alpha-blending. Compile I<afterimage>; resource I<blendType>.
164
165=item B<-blr> I<HxV>
166
167Apply Gaussian Blur with the specified radii to the transparent
168background. If a single number is specified - both vertical and
169horizontal radii are considered to be the same. Setting one of the
170radii to 1 and another to a large number creates interesting effects
171on some backgrounds. Maximum radius value is 128;
172resource I<blurRadius>.
173
174=item B<-icon> I<file>
175
176Compile I<afterimage> or I<pixbuf>: Use the specified image as application icon. This
177is used by many window managers, taskbars and pagers to represent the
178application window; resource I<iconFile>.
150 179
151=item B<-bg> I<colour> 180=item B<-bg> I<colour>
152 181
153Window background colour; resource B<background>. 182Window background colour; resource B<background>.
154 183
155=item B<-fg> I<colour> 184=item B<-fg> I<colour>
156 185
157Window foreground colour; resource B<foreground>. 186Window foreground colour; resource B<foreground>.
158 187
159=item B<-pixmap> I<file[;geom]> 188=item B<-pixmap> I<file[;oplist]>
160 189
161Compile I<XPM>: Specify XPM file for the background and also optionally 190Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
162specify its scaling with a geometry string. Note you may need to 191optionally specify a list of operations to modify it. Note you may need to
163add quotes to avoid special shell interpretation of the C<;> in the 192add quotes to avoid special shell interpretation of the C<;> in the
164command-line; resource B<backgroundPixmap>. 193command-line; for more details see resource B<backgroundPixmap>.
165 194
166=item B<-cr> I<colour> 195=item B<-cr> I<colour>
167 196
168The cursor colour; resource B<cursorColor>. 197The cursor colour; resource B<cursorColor>.
169 198
214italic> >> characters are to be printed. See resource B<boldItalicFont> 243italic> >> characters are to be printed. See resource B<boldItalicFont>
215for details. 244for details.
216 245
217=item B<-is>|B<+is> 246=item B<-is>|B<+is>
218 247
219Compile I<font-styles>: Bold/Italic font styles imply high intensity 248Compile I<font-styles>: Bold/Blink font styles imply high intensity
220foreground/background (default). See resource B<intensityStyles> for 249foreground/background (default). See resource B<intensityStyles> for
221details. 250details.
222 251
223=item B<-name> I<name> 252=item B<-name> I<name>
224 253
242 271
243=item B<-sb>|B<+sb> 272=item B<-sb>|B<+sb>
244 273
245Turn on/off scrollbar; resource B<scrollBar>. 274Turn on/off scrollbar; resource B<scrollBar>.
246 275
276=item B<-sr>|B<+sr>
277
278Put scrollbar on right/left; resource B<scrollBar_right>.
279
280=item B<-st>|B<+st>
281
282Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
283resource B<scrollBar_floating>.
284
247=item B<-si>|B<+si> 285=item B<-si>|B<+si>
248 286
249Turn on/off scroll-to-bottom on TTY output inhibit; resource 287Turn on/off scroll-to-bottom on TTY output inhibit; resource
250B<scrollTtyOutput> has opposite effect. 288B<scrollTtyOutput> has opposite effect.
251 289
257=item B<-sw>|B<+sw> 295=item B<-sw>|B<+sw>
258 296
259Turn on/off scrolling with the scrollback buffer as new lines appear. 297Turn on/off scrolling with the scrollback buffer as new lines appear.
260This only takes effect if B<-si> is also given; resource 298This only takes effect if B<-si> is also given; resource
261B<scrollWithBuffer>. 299B<scrollWithBuffer>.
262
263=item B<-sr>|B<+sr>
264
265Put scrollbar on right/left; resource B<scrollBar_right>.
266
267=item B<-st>|B<+st>
268
269Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
270resource B<scrollBar_floating>.
271 300
272=item B<-ptab>|B<+ptab> 301=item B<-ptab>|B<+ptab>
273 302
274If enabled (default), "Horizontal Tab" characters are being stored as 303If enabled (default), "Horizontal Tab" characters are being stored as
275actual wide characters in the screen buffer, which makes it possible to 304actual wide characters in the screen buffer, which makes it possible to
279 308
280=item B<-bc>|B<+bc> 309=item B<-bc>|B<+bc>
281 310
282Blink the cursor; resource B<cursorBlink>. 311Blink the cursor; resource B<cursorBlink>.
283 312
313=item B<-uc>|B<+uc>
314
315Make the cursor underlined; resource B<cursorUnderline>.
316
284=item B<-iconic> 317=item B<-iconic>
285 318
286Start iconified, if the window manager supports that option. 319Start iconified, if the window manager supports that option.
287Alternative form is B<-ic>. 320Alternative form is B<-ic>.
288 321
304 337
305=item B<-bl> 338=item B<-bl>
306 339
307Compile I<frills>: Set MWM hints to request a borderless window, i.e. 340Compile I<frills>: Set MWM hints to request a borderless window, i.e.
308if honoured by the WM, the rxvt-unicode window will not have window 341if honoured by the WM, the rxvt-unicode window will not have window
309decorations; resource B<borderLess>. 342decorations; resource B<borderLess>. If the window manager does not
343support MWM hints (e.g. kwin), enables override-redirect mode.
310 344
311=item B<-override-redirect> 345=item B<-override-redirect>
312 346
313Compile I<frills>: Sets override-redirect on the window; resource 347Compile I<frills>: Sets override-redirect on the window; resource
314B<override-redirect>. 348B<override-redirect>.
322 356
323=item B<-lsp> I<number> 357=item B<-lsp> I<number>
324 358
325Compile I<frills>: Lines (pixel height) to insert between each row of 359Compile I<frills>: Lines (pixel height) to insert between each row of
326the display. Useful to work around font rendering problems; resource 360the display. Useful to work around font rendering problems; resource
327B<linespace>. 361B<lineSpace>.
362
363=item B<-letsp> I<number>
364
365Compile I<frills>: Amount to adjust the computed character width by
366to control overall letter spacing. Negative values will tighten up the
367letter spacing, positive values will space letters out more. Useful to
368work around odd font metrics; resource B<letterSpace>.
328 369
329=item B<-tn> I<termname> 370=item B<-tn> I<termname>
330 371
331This option specifies the name of the terminal type to be set in the 372This option specifies the name of the terminal type to be set in the
332B<TERM> environment variable. This terminal type must exist in the 373B<TERM> environment variable. This terminal type must exist in the
387 428
388=item B<-tcw> 429=item B<-tcw>
389 430
390Change the meaning of triple-click selection with the left mouse 431Change the meaning of triple-click selection with the left mouse
391button. Only effective when the original (non-perl) selection code is 432button. Only effective when the original (non-perl) selection code is
392in-use. Instead of selecting a full line it will extend the selection the 433in-use. Instead of selecting a full line it will extend the selection to
393end of the logical line only. resource B<tripleclickwords>. 434the end of the logical line only. resource B<tripleclickwords>.
394 435
395=item B<-insecure> 436=item B<-insecure>
396 437
397Enable "insecure" mode, which currently enables most of the escape 438Enable "insecure" mode, which currently enables most of the escape
398sequences that echo strings. See the resource B<insecure> for more 439sequences that echo strings. See the resource B<insecure> for more
418 459
419Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 460Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
420will not immediately destroy its window when the program executed within 461will not immediately destroy its window when the program executed within
421it exits. Instead, it will wait till it is being killed or closed by the 462it exits. Instead, it will wait till it is being killed or closed by the
422user; resource B<hold>. 463user; resource B<hold>.
464
465=item B<-cd> I<path>
466
467Sets the working directory for the shell (or the command specified via
468B<-e>). The I<path> must be an absolute path and it must exist for
469@@RXVT_NAME@@ to start; resource B<chdir>.
470
471=item B<-xrm> I<string>
472
473Works like the X Toolkit option of the same name, by adding the I<string>
474as if it were specified in a resource file. Resource values specified this
475way take precedence over all other resource specifications.
476
477Note that you need to use the I<same> syntax as in the .Xdefaults file,
478e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
479options can be specified as long-options on the commandline, so use
480of B<-xrm> is mostly limited to cases where you want to specify other
481resources (e.g. for input methods) or for compatibility with other
482programs.
423 483
424=item B<-keysym.>I<sym> I<string> 484=item B<-keysym.>I<sym> I<string>
425 485
426Remap a key symbol. See resource B<keysym>. 486Remap a key symbol. See resource B<keysym>.
427 487
462If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 522If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
463entries and will not tinker with pty/tty permissions - you have to do that 523entries and will not tinker with pty/tty permissions - you have to do that
464yourself if you want that. 524yourself if you want that.
465 525
466As an extremely special case, specifying C<-1> will completely suppress 526As an extremely special case, specifying C<-1> will completely suppress
467pty/tty operations. 527pty/tty operations, which is probably only useful in conjunction with some
528perl extension that manages the terminal.
468 529
469Here is a example in perl that illustrates how this option can be used (a 530Here is a example in perl that illustrates how this option can be used (a
470longer example is in F<doc/pty-fd>): 531longer example is in F<doc/pty-fd>):
471 532
472 use IO::Pty; 533 use IO::Pty;
486Comma-separated list of perl extension scripts to use (or not to use) in 547Comma-separated list of perl extension scripts to use (or not to use) in
487this terminal instance. See resource B<perl-ext> for details. 548this terminal instance. See resource B<perl-ext> for details.
488 549
489=back 550=back
490 551
491=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
492 553
493Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
494options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
495 557
496You can set and change the resources using X11 tools like B<xrdb>. Many 558You can set and change the resources using X11 tools like B<xrdb>. Many
497distribution do also load settings from the B<~/.Xresources> file when X 559distribution do also load settings from the B<~/.Xresources> file when X
498starts. @@RXVT_NAME@@ will consult the following files/resources in order, 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
499with later settings overwriting earlier ones: 561with later settings overwriting earlier ones:
500 562
501 1. system-wide app-defaults file, either locale-dependent OR global
502 2. app-defaults file in $XAPPLRESDIR 563 1. app-defaults file in $XAPPLRESDIR
564 2. $HOME/.Xdefaults
503 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 565 3. RESOURCE_MANAGER property on root-window of screen 0
504 4. SCREEN_RESOURCES for the current screen 566 4. SCREEN_RESOURCES property on root-window of the current screen
505 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
568 6. resources specified via -xrm on the commandline
506 569
507Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
508names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 571names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
509common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 572common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
510configured, while the class name B<URxvt> allows resources unique to 573configured, while the class name B<URxvt> allows resources unique to
520=item B<depth:> I<bitdepth> 583=item B<depth:> I<bitdepth>
521 584
522Compile I<xft>: Attempt to find a visual with the given bit depth; 585Compile I<xft>: Attempt to find a visual with the given bit depth;
523option B<-depth>. 586option B<-depth>.
524 587
588=item B<buffered:> I<boolean>
589
590Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
591On some card/driver combination enabling it slightly decreases
592performance, on most it greatly helps it. The slowdown is small, so it
593should normally be enabled.
594
525=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
526 596
527Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
528option B<-geometry>. 598option B<-geometry>.
529 599
542Use the specified colour for the colour value I<n>, where 0-7 612Use the specified colour for the colour value I<n>, where 0-7
543corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
544high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
545colours. The canonical names are as follows: 0=black, 1=red, 2=green, 615colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5463=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6163=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
547names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
548 618
549Colours higher than 15 cannot be set using resources (yet), but can be 619Colours higher than 15 cannot be set using resources (yet), but can be
550changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
551 621
552Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 622Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
563=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
564 634
565Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
566foreground colour is the default. 636foreground colour is the default.
567 637
568=item B<colorRV:> I<colour>
569
570Use the specified colour as the background for reverse video characters
571when OPTION_HC is disabled (--disable-frills).
572
573=item B<underlineColor:> I<colour> 638=item B<underlineColor:> I<colour>
574 639
575If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
576itself. If unset, use the foreground colour. 641itself. If unset, use the foreground colour.
642
643=item B<highlightColor:> I<colour>
644
645If set, use the specified colour as the background for highlighted
646characters. If unset, use reverse video.
647
648=item B<highlightTextColor:> I<colour>
649
650If set and highlightColor is set, use the specified colour as the
651foreground for highlighted characters.
577 652
578=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
579 654
580Use the specified colour for the cursor. The default is to use the 655Use the specified colour for the cursor. The default is to use the
581foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
588 663
589=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
590 665
591B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
592option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
593B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
594 669
595=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
596 671
597B<True>: specify that jump scrolling should be used. When scrolling 672B<True>: specify that jump scrolling should be used. When receiving lots
598quickly, fewer screen updates are performed [default]; option B<-j>. 673of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
674has been read, resulting in fewer updates while still displaying every
675received line; option B<-j>.
676
599B<False>: specify that smooth scrolling should be used; option B<+j>. 677B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
678force a screen refresh on each new line it received; option B<+j>.
600 679
601=item B<inheritPixmap:> I<boolean> 680=item B<skipScroll:> I<boolean>
602 681
603B<True>: make the background inherit the parent windows' pixmap, giving 682B<True>: (the default) specify that skip scrolling should be used. When
604artificial transparency. B<False>: do not inherit the parent windows' 683receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
605pixmap. 684(around 60 times per second), resulting in far fewer updates. This can
685result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
686option B<-ss>.
606 687
607I<Please note that transparency of any kind if completely unsupported by 688B<False>: specify that everything is to be displayed, even
608the author. Don't bug him with installation questions!> 689if the refresh is too fast for the human eye to read anything (or the
690monitor to display anything); option B<+ss>.
691
692=item B<transparent:> I<boolean>
693
694Turn on/off pseudo-transparency by using the root pixmap as background.
695
696B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
697future versions.
609 698
610=item B<fading:> I<number> 699=item B<fading:> I<number>
611 700
612Fade the text by the given percentage when focus is lost; option B<-fade>. 701Fade the text by the given percentage when focus is lost; option B<-fade>.
613 702
616Fade to this colour, when fading is used (see B<fading:>). The default 705Fade to this colour, when fading is used (see B<fading:>). The default
617colour is black; option B<-fadecolor>. 706colour is black; option B<-fadecolor>.
618 707
619=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
620 709
621Tint the transparent background pixmap with the given colour; option 710Tint the transparent background with the given colour. If the RENDER
622B<-tint>. 711extension is not available only black, red, green, yellow, blue,
712magenta, cyan and white tints can be performed server-side. Note that
713a black tint yields a completely black image while a white tint yields
714the image unchanged; option B<-tint>.
623 715
624=item B<shading:> I<number> 716=item B<shading:> I<number>
625 717
626Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 718Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
627in addition to tinting it; option B<-sh>. 719A value of 100 means no shading; option B<-sh>.
720
721=item B<blendType:> I<string>
722
723Specify background blending type; option B<-blt>.
724
725=item B<blurRadius:> I<number>
726
727Apply gaussian blur with the specified radius to the transparent
728background; option B<-blr>.
729
730=item B<iconFile:> I<file>
731
732Set the application icon pixmap; option B<-icon>.
628 733
629=item B<scrollColor:> I<colour> 734=item B<scrollColor:> I<colour>
630 735
631Use the specified colour for the scrollbar [default #B2B2B2]. 736Use the specified colour for the scrollbar [default #B2B2B2].
632 737
638=item B<borderColor:> I<colour> 743=item B<borderColor:> I<colour>
639 744
640The colour of the border around the text area and between the scrollbar 745The colour of the border around the text area and between the scrollbar
641and the text. 746and the text.
642 747
643=item B<backgroundPixmap:> I<file[;geom]> 748=item B<backgroundPixmap:> I<file[;oplist]>
644 749
645Use the specified XPM file (note the `.xpm' extension is optional) for 750Use the specified image file for the background and also
646the background and also optionally specify its scaling with a geometry 751optionally specify a colon separated list of operations to modify it.
647string B<WxH+X+Y>, in which B<"W" / "H"> specify the 752Supported operations are:
753
754 B<WxH+X+Y> sets scale and position. B<"W" / "H"> specify the
648horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 755 horizontal/vertical scale (percent), and B<"X" / "Y">
649centre (percent). A scale of 0 displays the image with tiling. A scale 756 locate the image centre (percent). A scale of 0 disables
650of 1 displays the image without any scaling. A scale of 2 to 9 757 scaling. The maximum permitted scale is 1000.
651specifies an integer number of images in that direction. No image will 758 op=tile enables tiling
652be magnified beyond 10 times its original size. The maximum permitted 759 op=pscale enables proportional scaling
653scale is 1000. [default 0x0+50+50] 760 op=root use the position of the terminal window relative to the root
761 window as the image offset, simulating a root window background
762
763The default scale and position setting is C<100x100+50+50>.
764Alternatively, a predefined set of templates can be used to achieve
765the most common setups:
766
767 style=tiled the image is tiled with no scaling
768 style=aspect-stretched the image is scaled to fill the whole window maintaining
769 the aspect ratio and centered
770 style=stretched the image is scaled to fill the whole window
771 style=centered the image is centered with no scaling
772 style=root-tiled the image is tiled with no scaling and using 'op=root' positioning
773
774If multiple templates are specified the last one wins. Note that a
775template overrides all the scale, position and operations settings.
776Indeed, the templates can be specified in terms of low level settings
777as follows:
778
779 style=tiled 0x0+0+0:op=tile
780 style=aspect-stretched +50+50:op=pscale
781 style=stretched 100x100
782 style=centered 0x0+50+50
783 style=root-tiled 0x0:op=tile:op=root
784
785If used in conjunction with B<-tr> option, the specified pixmap will be
786blended over the transparent background using alpha-blending. If I<afterimage>
787support has been compiled in it is possible to choose other blending
788types with B<-blt "type"> option.
654 789
655=item B<path:> I<path> 790=item B<path:> I<path>
656 791
657Specify the colon-delimited search path for finding XPM files. 792Specify the colon-delimited search path for finding background image files.
658 793
659=item B<font:> I<fontlist> 794=item B<font:> I<fontlist>
660 795
661Select the fonts to be used. This is a comma separated list of font names 796Select the fonts to be used. This is a comma separated list of font names
662that are checked in order when trying to find glyphs for characters. The 797that are checked in order when trying to find glyphs for characters. The
685it is named first) and thus defines the character cell grid to be 9 pixels 820it is named first) and thus defines the character cell grid to be 9 pixels
686wide and 15 pixels high. 821wide and 15 pixels high.
687 822
688The second font is just used to add additional unicode characters not in 823The second font is just used to add additional unicode characters not in
689the base font, likewise the third, which is unfortunately non-bold, but 824the base font, likewise the third, which is unfortunately non-bold, but
690the bold version of the font does contain less characters, so this is a 825the bold version of the font does contain fewer characters, so this is a
691useful supplement. 826useful supplement.
692 827
693The third font is an Xft font with aliasing turned off, and the characters 828The third font is an Xft font with aliasing turned off, and the characters
694are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 829are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
695contains other characters, but we are not interested in them. 830contains other characters, but we are not interested in them.
719text font will being used for the given style. 854text font will being used for the given style.
720 855
721=item B<intensityStyles:> I<boolean> 856=item B<intensityStyles:> I<boolean>
722 857
723When font styles are not enabled, or this option is enabled (B<True>, 858When font styles are not enabled, or this option is enabled (B<True>,
724option B<-is>, the default), bold and italic font styles imply high 859option B<-is>, the default), bold/blink font styles imply high
725intensity foreground/background colours. Disabling this option (B<False>, 860intensity foreground/background colours. Disabling this option (B<False>,
726option B<+is>) disables this behaviour, the high intensity colours are not 861option B<+is>) disables this behaviour, the high intensity colours are not
727reachable. 862reachable.
728 863
729=item B<selectstyle:> I<mode>
730
731Set mouse selection style to B<old> which is 2.20, B<oldword> which
732is xterm style with 2.20 old word selection, or anything else which
733gives xterm style selection. Only effective when the original (non-perl)
734selection code is in use.
735
736=item B<scrollstyle:> I<mode>
737
738Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
739the author's favourite.
740
741=item B<title:> I<string> 864=item B<title:> I<string>
742 865
743Set window title string, the default title is the command-line 866Set window title string, the default title is the command-line
744specified after the B<-e> option, if any, otherwise the application 867specified after the B<-e> option, if any, otherwise the application
745name; option B<-title>. 868name; option B<-title>.
758=item B<urgentOnBell:> I<boolean> 881=item B<urgentOnBell:> I<boolean>
759 882
760B<True>: set the urgency hint for the wm on receipt of a bell character. 883B<True>: set the urgency hint for the wm on receipt of a bell character.
761B<False>: do not set the urgency hint [default]. 884B<False>: do not set the urgency hint [default].
762 885
886@@RXVT_NAME@@ resets the urgency hint on every focus change.
887
763=item B<visualBell:> I<boolean> 888=item B<visualBell:> I<boolean>
764 889
765B<True>: use visual bell on receipt of a bell character; option B<-vb>. 890B<True>: use visual bell on receipt of a bell character; option B<-vb>.
766B<False>: no visual bell [default]; option B<+vb>. 891B<False>: no visual bell [default]; option B<+vb>.
767 892
790 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 915 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
791 916
792This creates a new file in your home directory with the screen contents 917This creates a new file in your home directory with the screen contents
793every time you hit C<Print>. 918every time you hit C<Print>.
794 919
920=item B<scrollstyle:> I<mode>
921
922Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
923the author's favourite.
924
925=item B<thickness:> I<number>
926
927Set the scrollbar width in pixels.
928
795=item B<scrollBar:> I<boolean> 929=item B<scrollBar:> I<boolean>
796 930
797B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 931B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
798disable the scrollbar; option B<+sb>. 932disable the scrollbar; option B<+sb>.
799 933
818B<False>: do not scroll to bottom when tty receives output; option 952B<False>: do not scroll to bottom when tty receives output; option
819B<+si>. 953B<+si>.
820 954
821=item B<scrollWithBuffer:> I<boolean> 955=item B<scrollWithBuffer:> I<boolean>
822 956
823B<True>: scroll with scrollback buffer when tty receives new lines (and 957B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
824B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 958try to show the same lines) and B<scrollTtyOutput> is False; option
825with scrollback buffer when tty receives new lines; option B<+sw>. 959B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
960new lines; option B<+sw>.
826 961
827=item B<scrollTtyKeypress:> I<boolean> 962=item B<scrollTtyKeypress:> I<boolean>
828 963
829B<True>: scroll to bottom when a non-special key is pressed. Special keys 964B<True>: scroll to bottom when a non-special key is pressed. Special keys
830are those which are intercepted by rxvt-unicode for special handling and 965are those which are intercepted by rxvt-unicode for special handling and
861=item B<termName:> I<termname> 996=item B<termName:> I<termname>
862 997
863Specifies the terminal type name to be set in the B<TERM> environment 998Specifies the terminal type name to be set in the B<TERM> environment
864variable; option B<-tn>. 999variable; option B<-tn>.
865 1000
866=item B<linespace:> I<number> 1001=item B<lineSpace:> I<number>
867 1002
868Specifies number of lines (pixel height) to insert between each row of 1003Specifies number of lines (pixel height) to insert between each row of
869the display [default 0]; option B<-lsp>. 1004the display [default 0]; option B<-lsp>.
870 1005
871=item B<meta8:> I<boolean> 1006=item B<meta8:> I<boolean>
885 1020
886=item B<cursorBlink:> I<boolean> 1021=item B<cursorBlink:> I<boolean>
887 1022
888B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1023B<True>: blink the cursor. B<False>: do not blink the cursor [default];
889option B<-bc>. 1024option B<-bc>.
1025
1026=item B<cursorUnderline:> I<boolean>
1027
1028B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1029option B<-uc>.
890 1030
891=item B<pointerBlank:> I<boolean> 1031=item B<pointerBlank:> I<boolean>
892 1032
893B<True>: blank the pointer when a key is pressed or after a set number 1033B<True>: blank the pointer when a key is pressed or after a set number
894of seconds of inactivity. B<False>: the pointer is always visible 1034of seconds of inactivity. B<False>: the pointer is always visible
908large number (e.g. C<987654321>) to effectively disable the timeout. 1048large number (e.g. C<987654321>) to effectively disable the timeout.
909 1049
910=item B<backspacekey:> I<string> 1050=item B<backspacekey:> I<string>
911 1051
912The string to send when the backspace key is pressed. If set to B<DEC> 1052The string to send when the backspace key is pressed. If set to B<DEC>
913or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1053or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
914(code 8) - which can be reversed with the appropriate DEC private mode 1054(code 8) - which can be reversed with the appropriate DEC private mode
915escape sequence. 1055escape sequence.
916 1056
917=item B<deletekey:> I<string> 1057=item B<deletekey:> I<string>
918 1058
931will be created). In this mode, characters outside ISO-8859-1 can be used. 1071will be created). In this mode, characters outside ISO-8859-1 can be used.
932 1072
933When the selection extension is not used, only ISO-8859-1 characters can 1073When the selection extension is not used, only ISO-8859-1 characters can
934be used. If not specified, the built-in default is used: 1074be used. If not specified, the built-in default is used:
935 1075
936B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1076B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
937 1077
938=item B<preeditType:> I<style> 1078=item B<preeditType:> I<style>
939 1079
940B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1080B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
941 1081
997 1137
998=item B<secondaryScroll:> I<boolean> 1138=item B<secondaryScroll:> I<boolean>
999 1139
1000Turn on/off secondary screen scroll (default enabled). If this 1140Turn on/off secondary screen scroll (default enabled). If this
1001option is enabled, scrolls on the secondary screen will change the 1141option is enabled, scrolls on the secondary screen will change the
1002scrollback buffer and switching to/from the secondary screen will 1142scrollback buffer and, when secondaryScreen is off, switching
1003instead scroll the screen up. 1143to/from the secondary screen will instead scroll the screen up.
1004 1144
1005=item B<hold>: I<boolean> 1145=item B<hold>: I<boolean>
1006 1146
1007Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1147Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1008will not immediately destroy its window when the program executed within 1148will not immediately destroy its window when the program executed within
1009it exits. Instead, it will wait till it is being killed or closed by the 1149it exits. Instead, it will wait till it is being killed or closed by the
1010user. 1150user.
1151
1152=item B<chdir>: I<path>
1153
1154Sets the working directory for the shell (or the command specified via
1155B<-e>). The I<path> must be an absolute path and it must exist for
1156@@RXVT_NAME@@ to start. If it isn't specified then the current working
1157directory will be used; option B<-cd>.
1011 1158
1012=item B<keysym.>I<sym>: I<string> 1159=item B<keysym.>I<sym>: I<string>
1013 1160
1014Compile I<frills>: Associate I<string> with keysym I<sym>. The 1161Compile I<frills>: Associate I<string> with keysym I<sym>. The
1015intervening resource name B<keysym.> cannot be omitted. 1162intervening resource name B<keysym.> cannot be omitted.
1029searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1176searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1030omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1177omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1031keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1178keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1032performed in an exact manner; however, the closest match is assured. 1179performed in an exact manner; however, the closest match is assured.
1033 1180
1034I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1181I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1035C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1182number), see RESOURCES in C<man 7 X> for further details.
1036C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1037C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1038can start or end with whitespace. B<This feature is deprecated and will
1039be removed>.
1040
1041Please note that you need to double the C<\> in resource files, as
1042Xlib itself does its own de-escaping (you can use C<\033> instead of
1043C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1044processing).
1045 1183
1046You can define a range of keysyms in one shot by providing a I<string> 1184You can define a range of keysyms in one shot by providing a I<string>
1047with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1185with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1048should be a character not used by the strings. 1186should be a character not used by the strings.
1049 1187
1050Its usage can be demonstrated by an example: 1188Its usage can be demonstrated by an example:
1051 1189
1052 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1190 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1053 1191
1054The above line is equivalent to the following three lines: 1192The above line is equivalent to the following three lines:
1055 1193
1056 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1194 URxvt.keysym.Meta-Control-0x61: \033<a>
1057 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1195 URxvt.keysym.Meta-Control-0x62: \033<b>
1058 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1196 URxvt.keysym.Meta-Control-0x63: \033<c>
1059 1197
1060If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1198If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1061is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1199is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1062example the following means "change the current locale to C<zh_CN.GBK> 1200example the following means "change the current locale to C<zh_CN.GBK>
1063when Control-Meta-c is being pressed": 1201when Control-Meta-c is being pressed":
1064 1202
1065 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1203 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1066 1204
1067If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1205If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1068is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1206is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1069manpage. For example, the F<selection> extension (activated via 1207manpage. For example, the F<selection> extension (activated via
1070C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1208C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1071 1209
1072 URxvt.keysym.M-C-c: perl:selection:rot13 1210 URxvt.keysym.M-C-c: perl:selection:rot13
1073 1211
1074Due the the large number of modifier combinations, a defined key mapping 1212Due the the large number of modifier combinations, a defined key mapping
1075will match if at I<at least> the specified identifiers are being set, and 1213will match if I<at least> the specified identifiers are being set, and
1076no other key mappings with those and more bits are being defined. That 1214no other key mappings with those and more bits are being defined. That
1077means that defining a key map for C<a> will automatically provide 1215means that defining a key map for C<a> will automatically provide
1078definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1216definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1079mappings themselves. 1217mappings themselves.
1080 1218
1131all instances, while B<perl-ext> is used for specific instances. 1269all instances, while B<perl-ext> is used for specific instances.
1132 1270
1133=item B<perl-eval>: I<string> 1271=item B<perl-eval>: I<string>
1134 1272
1135Perl code to be evaluated when all extensions have been registered. See 1273Perl code to be evaluated when all extensions have been registered. See
1136the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1274the @@RXVT_NAME@@perl(3) manpage.
1137will be ignored when running setuid/setgid.
1138 1275
1139=item B<perl-lib>: I<path> 1276=item B<perl-lib>: I<path>
1140 1277
1141Colon-separated list of additional directories that hold extension 1278Colon-separated list of additional directories that hold extension
1142scripts. When looking for extensions specified by the C<perl> resource, 1279scripts. When looking for extensions specified by the C<perl> resource,
1143@@RXVT_NAME@@ will first look in these directories and then in 1280@@RXVT_NAME@@ will first look in these directories and then in
1144F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1281F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1145will be ignored when running setuid/setgid.
1146 1282
1147See the @@RXVT_NAME@@perl(3) manpage. 1283See the @@RXVT_NAME@@perl(3) manpage.
1148 1284
1149=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1285=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1150 1286
1172 1308
1173=item B<override-redirect>: I<boolean> 1309=item B<override-redirect>: I<boolean>
1174 1310
1175Compile I<frills>: Sets override-redirect for the terminal window, making 1311Compile I<frills>: Sets override-redirect for the terminal window, making
1176it almost invisible to window managers; option B<-override-redirect>. 1312it almost invisible to window managers; option B<-override-redirect>.
1313
1314=item B<iso14755:> I<boolean>
1315
1316Turn on/off ISO 14755 (default enabled).
1317
1318=item B<iso14755_52:> I<boolean>
1319
1320Turn on/off ISO 14755 5.2 mode (default enabled).
1177 1321
1178=back 1322=back
1179 1323
1180=head1 THE SCROLLBAR 1324=head1 THE SCROLLBAR
1181 1325
1252 1396
1253=head1 ISO 14755 SUPPORT 1397=head1 ISO 14755 SUPPORT
1254 1398
1255ISO 14755 is a standard for entering and viewing unicode characters 1399ISO 14755 is a standard for entering and viewing unicode characters
1256and character codes using the keyboard. It consists of 4 parts. The 1400and character codes using the keyboard. It consists of 4 parts. The
1257first part is available rxvt-unicode has been compiled with 1401first part is available if rxvt-unicode has been compiled with
1258C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1402C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1259with C<--enable-iso14755>. 1403with C<--enable-iso14755>.
1260 1404
1261=over 4 1405=over 4
1262 1406
1320B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1464B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1321it can be seen via the I<who(1)> command, and can accept messages. To 1465it can be seen via the I<who(1)> command, and can accept messages. To
1322allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1466allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1323on some systems or setgid to root or to some other group on others. 1467on some systems or setgid to root or to some other group on others.
1324 1468
1325=head1 COLORS AND GRAPHICS 1469=head1 COLOURS AND GRAPHICS
1326 1470
1327In addition to the default foreground and background colours, 1471In addition to the default foreground and background colours,
1328B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1472B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1329high-intensity bold/blink versions of the same). Here is a list of the 1473high-intensity (potentially bold/blink) versions of the same, and 72 (or
1330colours with their names. 1474240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1475cube plus a 8 (24) colour greyscale ramp.
1476
1477Here is a list of the ANSI colours with their names.
1331 1478
1332=begin table 1479=begin table
1333 1480
1334 B<color0> (black) = Black 1481 B<color0> (black) = Black
1335 B<color1> (red) = Red3 1482 B<color1> (red) = Red3
1355It is also possible to specify the colour values of B<foreground>, 1502It is also possible to specify the colour values of B<foreground>,
1356B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1503B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1357a number 0-15, as a convenient shorthand to reference the colour name of 1504a number 0-15, as a convenient shorthand to reference the colour name of
1358color0-color15. 1505color0-color15.
1359 1506
1360In addition to the colours defined above, @@RXVT_NAME@@ offers an 1507The following text gives values for the standard 88 colour mode (and
1361additional 72 colours. The first 64 of those (with indices 16 to 79) 1508values for the 256 colour mode in parentheses).
1362consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
136316>), followed by 8 additional shades of gray (with indices 80 to 87).
1364 1509
1510The RGB cube uses indices 16..79 (16..231) using the following formulas:
1511
1512 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1513 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1514
1515The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1516steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1517the RGB cube.
1518
1365Together, all those colours implement the 88 colour xterm colours. Only 1519Together, all those colours implement the 88 (256) colour xterm
1366the first 16 can be changed using resources currently, the rest can only 1520colours. Only the first 16 can be changed using resources currently, the
1367be changed via command sequences ("escape codes"). 1521rest can only be changed via command sequences ("escape codes").
1522
1523Applications are advised to use terminfo or command sequences to discover
1524number and RGB values of all colours (yes, you can query this...).
1368 1525
1369Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1526Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1370always swapping the foreground/background colours. This is in contrast to 1527always swapping the foreground/background colours. This is in contrast to
1371I<xterm>(1) where the colours are only swapped if they have not otherwise 1528I<xterm>(1) where the colours are only swapped if they have not otherwise
1372been specified. For example, 1529been specified. For example,
1373 1530
1374=over 4
1375
1376=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1531 @@RXVT_NAME@@ -fg Black -bg White -rv
1377 1532
1378would yield White on Black, while on I<xterm>(1) it would yield Black 1533would yield White on Black, while on I<xterm>(1) it would yield Black on
1379on White. 1534White.
1380
1381=back
1382 1535
1383=head2 ALPHA CHANNEL SUPPORT 1536=head2 ALPHA CHANNEL SUPPORT
1384 1537
1385If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1538If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1386their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1539their act together, rxvt-unicode will do it's own alpha channel management:
1387(recommended, but B<MUST> have 4 digits/component) colour specifications, 1540
1388in addition to the ones provided by X, where the additional A component 1541You can prefix any colour with an opaqueness percentage enclosed in
1542brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1543(0-100) that specifies the opacity of the colour, where C<0> is completely
1544transparent and C<100> is completely opaque. For example, C<[50]red> is a
1545half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1546is the recommended format to specify transparency values, and works with
1547all ways to specify a colour.
1548
1549For complete control, rxvt-unicode also supports
1550C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1551specifications, where the additional C<aaaa> component specifies opacity
1389specifies opacity (alpha) values. The minimum value of C<0> is completely 1552(alpha) values. The minimum value of C<0000> is completely transparent,
1390transparent). You can also prefix any color with C<[percent]>, where 1553while C<ffff> is completely opaque). The two example colours from
1391C<percent> is a decimal percentage (0-100) that specifies the opacity of 1554earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1392the color, where C<0> is completely transparent and C<100> is completelxy 1555C<rgba:0000/ff00/0000/f332>.
1393opaque.
1394 1556
1395You probably need to specify B<"-depth 32">, too, and have the luck that 1557You probably need to specify B<"-depth 32">, too, to force a visual with
1396your X-server uses ARGB pixel layout, as X is far from just supporting 1558alpha channels, and have the luck that your X-server uses ARGB pixel
1397ARGB visuals out of the box, and rxvt-unicode just fudges around. 1559layout, as X is far from just supporting ARGB visuals out of the box, and
1560rxvt-unicode just fudges around.
1398 1561
1399For example, the following selects an almost completely transparent red 1562For example, the following selects an almost completely transparent black
1400background, and an almost opaque pink foreground: 1563background, and an almost opaque pink foreground:
1401 1564
1402 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1565 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1403 1566
1404I<Please note that transparency of any kind if completely unsupported by 1567When not using a background image, then the interpretation of the
1405the author. Don't bug him with installation questions!> 1568alpha channel is up to your compositing manager (most interpret it as
1569transparency of course).
1570
1571When using a background pixmap or pseudo-transparency, then the background
1572colour will always behave as if it were completely transparent (so the
1573background image shows instead), regardless of how it was specified, while
1574other colours will either be transparent as specified (the background
1575image will show through) on servers supporting the RENDER extension, or
1576fully opaque on servers not supporting the RENDER EXTENSION.
1577
1578Please note that due to bugs in Xft, specifying alpha values might result
1579in garbage being displayed when the X-server does not support the RENDER
1580extension.
1406 1581
1407=head1 ENVIRONMENT 1582=head1 ENVIRONMENT
1408 1583
1409B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1584B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1410 1585
1416resources or on the command line. 1591resources or on the command line.
1417 1592
1418=item B<COLORTERM> 1593=item B<COLORTERM>
1419 1594
1420Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1595Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1421compiled with XPM support, and optionally with the added extension 1596compiled with background image support, and optionally with the added
1422C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1597extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1598screen.
1423 1599
1424=item B<COLORFGBG> 1600=item B<COLORFGBG>
1425 1601
1426Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1602Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1427the colour code used as default foreground/text colour (or the string 1603the colour code used as default foreground/text colour (or the string
1428C<default> to indicate that the default-colour escape sequence is to be 1604C<default> to indicate that the default-colour escape sequence is to be
1429used), C<bg> is the colour code used as default background colour (or the 1605used), C<bg> is the colour code used as default background colour (or the
1430string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1606string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1431was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1607was compiled with background image support. Libraries like C<ncurses>
1432(and do) use this information to optimize screen output. 1608and C<slang> can (and do) use this information to optimize screen output.
1433 1609
1434=item B<WINDOWID> 1610=item B<WINDOWID>
1435 1611
1436Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1612Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1437window, which usually has subwindows for the scrollbar, the terminal 1613window, which usually has subwindows for the scrollbar, the terminal
1443C<--with-terminfo=PATH>. 1619C<--with-terminfo=PATH>.
1444 1620
1445=item B<DISPLAY> 1621=item B<DISPLAY>
1446 1622
1447Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1623Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1448display in its child processes. 1624display in its child processes if C<-display> isn't used to override. It
1625defaults to C<:0> if it doesn't exist.
1449 1626
1450=item B<SHELL> 1627=item B<SHELL>
1451 1628
1452The shell to be used for command execution, defaults to C</bin/sh>. 1629The shell to be used for command execution, defaults to C</bin/sh>.
1453 1630
1454=item B<RXVT_SOCKET> 1631=item B<RXVT_SOCKET>
1455 1632
1456The unix domain socket path used by @@RXVT_NAME@@c(1) and 1633The unix domain socket path used by @@RXVT_NAME@@c(1) and
1457@@RXVT_NAME@@d(1). 1634@@RXVT_NAME@@d(1).
1458 1635
1459Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1636Default F<<< $HOME/.rxvt-unicode-I<< <nodename> >> >>>.
1460 1637
1461=item B<HOME> 1638=item B<HOME>
1462 1639
1463Used to locate the default directory for the unix domain socket for 1640Used to locate the default directory for the unix domain socket for
1464daemon communications and to locate various resource files (such as 1641daemon communications and to locate various resource files (such as
1465C<.Xdefaults>) 1642C<.Xdefaults>)
1466 1643
1467=item B<XAPPLRESDIR> 1644=item B<XAPPLRESDIR>
1468 1645
1469Directory where various X resource files are being located. 1646Directory where application-specific X resource files are located.
1470 1647
1471=item B<XENVIRONMENT> 1648=item B<XENVIRONMENT>
1472 1649
1473If set and accessible, gives the name of a X resource file to be loaded by 1650If set and accessible, gives the name of a X resource file to be loaded by
1474@@RXVT_NAME@@. 1651@@RXVT_NAME@@.
1479 1656
1480=over 4 1657=over 4
1481 1658
1482=item B</usr/lib/X11/rgb.txt> 1659=item B</usr/lib/X11/rgb.txt>
1483 1660
1484Color names. 1661Colour names.
1485 1662
1486=back 1663=back
1487 1664
1488=head1 SEE ALSO 1665=head1 SEE ALSO
1489 1666
1528Project Coordinator (changes.txt 2.21a to 2.4.5) 1705Project Coordinator (changes.txt 2.21a to 2.4.5)
1529 1706
1530=item Geoff Wing L<< <gcw@pobox.com> >> 1707=item Geoff Wing L<< <gcw@pobox.com> >>
1531 1708
1532Rewrote screen display and text selection routines. 1709Rewrote screen display and text selection routines.
1533 1710
1534Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1711Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1535 1712
1536=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1713=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1537 1714
1538Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1715Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1540 1717
1541Project Coordinator (Changes 1.0 -) 1718Project Coordinator (Changes 1.0 -)
1542 1719
1543=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1720=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1544 1721
1545Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1722pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1546 1723
1547=back 1724=back
1548 1725

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