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Revision 1.130 by sasha, Fri Jun 8 20:04:12 2007 UTC vs.
Revision 1.211 by sf-exg, Sat Dec 31 17:17:12 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
144
145=item B<-sh> I<number> 150=item B<-sh> I<number>
146 151
147Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
148background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
149resource I<shading>.
150 154
151=item B<-blt> I<string> 155=item B<-blt> I<string>
152 156
153Specify background blending type. If background pixmap is specified 157Specify background blending type. If background pixmap is specified
154at the same time as transparency - such pixmap will be blended over 158at the same time as transparency - such pixmap will be blended over
155transparency image, using method specified. Supported values are : 159the transparent background, using the method specified. Supported values are:
156B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 160B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
157B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
158B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is 162B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
159alpha-blending; resource I<blendType>. 163alpha-blending. Compile I<afterimage>; resource I<blendType>.
160 164
161=item B<-blr> I<number> 165=item B<-blr> I<HxV>
162 166
163Apply Gaussian Blur with the specified radius to the transparent 167Apply Gaussian Blur with the specified radii to the transparent
164background image; resource I<blurRadius>. 168background. If a single number is specified, the vertical and
169horizontal radii are considered to be the same. Setting one of the
170radii to 1 and the other to a large number creates interesting effects
171on some backgrounds. The maximum radius value is 128;
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>.
165 179
166=item B<-bg> I<colour> 180=item B<-bg> I<colour>
167 181
168Window background colour; resource B<background>. 182Window background colour; resource B<background>.
169 183
170=item B<-fg> I<colour> 184=item B<-fg> I<colour>
171 185
172Window foreground colour; resource B<foreground>. 186Window foreground colour; resource B<foreground>.
173 187
174=item B<-pixmap> I<file[;geom]> 188=item B<-pixmap> I<file[;oplist]>
175 189
176Compile I<afterimage>: Specify image file for the background and also 190Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
177optionally specify its scaling with a geometry string. Note you may need to 191optionally specify a list of operations to modify it. Note you may need to
178add quotes to avoid special shell interpretation of the C<;> in the 192add quotes to avoid special shell interpretation of the C<;> in the
179command-line; for more details see resource B<backgroundPixmap>. 193command-line; for more details see resource B<backgroundPixmap>.
180 194
181=item B<-cr> I<colour> 195=item B<-cr> I<colour>
182 196
229italic> >> characters are to be printed. See resource B<boldItalicFont> 243italic> >> characters are to be printed. See resource B<boldItalicFont>
230for details. 244for details.
231 245
232=item B<-is>|B<+is> 246=item B<-is>|B<+is>
233 247
234Compile I<font-styles>: Bold/Italic font styles imply high intensity 248Compile I<font-styles>: Bold/Blink font styles imply high intensity
235foreground/background (default). See resource B<intensityStyles> for 249foreground/background (default). See resource B<intensityStyles> for
236details. 250details.
237 251
238=item B<-name> I<name> 252=item B<-name> I<name>
239 253
257 271
258=item B<-sb>|B<+sb> 272=item B<-sb>|B<+sb>
259 273
260Turn on/off scrollbar; resource B<scrollBar>. 274Turn on/off scrollbar; resource B<scrollBar>.
261 275
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
262=item B<-si>|B<+si> 285=item B<-si>|B<+si>
263 286
264Turn on/off scroll-to-bottom on TTY output inhibit; resource 287Turn on/off scroll-to-bottom on TTY output inhibit; resource
265B<scrollTtyOutput> has opposite effect. 288B<scrollTtyOutput> has opposite effect.
266 289
272=item B<-sw>|B<+sw> 295=item B<-sw>|B<+sw>
273 296
274Turn on/off scrolling with the scrollback buffer as new lines appear. 297Turn on/off scrolling with the scrollback buffer as new lines appear.
275This only takes effect if B<-si> is also given; resource 298This only takes effect if B<-si> is also given; resource
276B<scrollWithBuffer>. 299B<scrollWithBuffer>.
277
278=item B<-sr>|B<+sr>
279
280Put scrollbar on right/left; resource B<scrollBar_right>.
281
282=item B<-st>|B<+st>
283
284Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
285resource B<scrollBar_floating>.
286 300
287=item B<-ptab>|B<+ptab> 301=item B<-ptab>|B<+ptab>
288 302
289If enabled (default), "Horizontal Tab" characters are being stored as 303If enabled (default), "Horizontal Tab" characters are being stored as
290actual wide characters in the screen buffer, which makes it possible to 304actual wide characters in the screen buffer, which makes it possible to
294 308
295=item B<-bc>|B<+bc> 309=item B<-bc>|B<+bc>
296 310
297Blink the cursor; resource B<cursorBlink>. 311Blink the cursor; resource B<cursorBlink>.
298 312
313=item B<-uc>|B<+uc>
314
315Make the cursor underlined; resource B<cursorUnderline>.
316
299=item B<-iconic> 317=item B<-iconic>
300 318
301Start iconified, if the window manager supports that option. 319Start iconified, if the window manager supports that option.
302Alternative form is B<-ic>. 320Alternative form is B<-ic>.
303 321
319 337
320=item B<-bl> 338=item B<-bl>
321 339
322Compile 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.
323if 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
324decorations; resource B<borderLess>. 342decorations; resource B<borderLess>. If the window manager does not
343support MWM hints (e.g. kwin), enables override-redirect mode.
325 344
326=item B<-override-redirect> 345=item B<-override-redirect>
327 346
328Compile I<frills>: Sets override-redirect on the window; resource 347Compile I<frills>: Sets override-redirect on the window; resource
329B<override-redirect>. 348B<override-redirect>.
337 356
338=item B<-lsp> I<number> 357=item B<-lsp> I<number>
339 358
340Compile I<frills>: Lines (pixel height) to insert between each row of 359Compile I<frills>: Lines (pixel height) to insert between each row of
341the display. Useful to work around font rendering problems; resource 360the display. Useful to work around font rendering problems; resource
342B<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>.
343 369
344=item B<-tn> I<termname> 370=item B<-tn> I<termname>
345 371
346This 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
347B<TERM> environment variable. This terminal type must exist in the 373B<TERM> environment variable. This terminal type must exist in the
402 428
403=item B<-tcw> 429=item B<-tcw>
404 430
405Change the meaning of triple-click selection with the left mouse 431Change the meaning of triple-click selection with the left mouse
406button. Only effective when the original (non-perl) selection code is 432button. Only effective when the original (non-perl) selection code is
407in-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
408end of the logical line only. resource B<tripleclickwords>. 434the end of the logical line only. resource B<tripleclickwords>.
409 435
410=item B<-insecure> 436=item B<-insecure>
411 437
412Enable "insecure" mode, which currently enables most of the escape 438Enable "insecure" mode, which currently enables most of the escape
413sequences that echo strings. See the resource B<insecure> for more 439sequences that echo strings. See the resource B<insecure> for more
433 459
434Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 460Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
435will not immediately destroy its window when the program executed within 461will not immediately destroy its window when the program executed within
436it exits. Instead, it will wait till it is being killed or closed by the 462it exits. Instead, it will wait till it is being killed or closed by the
437user; 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.
438 483
439=item B<-keysym.>I<sym> I<string> 484=item B<-keysym.>I<sym> I<string>
440 485
441Remap a key symbol. See resource B<keysym>. 486Remap a key symbol. See resource B<keysym>.
442 487
477If 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
478entries 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
479yourself if you want that. 524yourself if you want that.
480 525
481As an extremely special case, specifying C<-1> will completely suppress 526As an extremely special case, specifying C<-1> will completely suppress
482pty/tty operations. 527pty/tty operations, which is probably only useful in conjunction with some
528perl extension that manages the terminal.
483 529
484Here 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
485longer example is in F<doc/pty-fd>): 531longer example is in F<doc/pty-fd>):
486 532
487 use IO::Pty; 533 use IO::Pty;
501Comma-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
502this terminal instance. See resource B<perl-ext> for details. 548this terminal instance. See resource B<perl-ext> for details.
503 549
504=back 550=back
505 551
506=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
507 553
508Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
509options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
510 557
511You 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
512distribution do also load settings from the B<~/.Xresources> file when X 559distribution do also load settings from the B<~/.Xresources> file when X
513starts. @@RXVT_NAME@@ will consult the following files/resources in order, 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
514with later settings overwriting earlier ones: 561with later settings overwriting earlier ones:
515 562
516 1. system-wide app-defaults file, either locale-dependent OR global
517 2. app-defaults file in $XAPPLRESDIR 563 1. app-defaults file in $XAPPLRESDIR
564 2. $HOME/.Xdefaults
518 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 565 3. RESOURCE_MANAGER property on root-window of screen 0
519 4. SCREEN_RESOURCES for the current screen 566 4. SCREEN_RESOURCES property on root-window of the current screen
520 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
568 6. resources specified via -xrm on the commandline
521 569
522Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
523names: 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
524common 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
525configured, while the class name B<URxvt> allows resources unique to 573configured, while the class name B<URxvt> allows resources unique to
535=item B<depth:> I<bitdepth> 583=item B<depth:> I<bitdepth>
536 584
537Compile 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;
538option B<-depth>. 586option B<-depth>.
539 587
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
540=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
541 596
542Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
543option B<-geometry>. 598option B<-geometry>.
544 599
557Use 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
558corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
559high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
560colours. 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,
5613=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
562names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
563 618
564Colours 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
565changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
566 621
567Colours 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
578=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
579 634
580Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
581foreground colour is the default. 636foreground colour is the default.
582 637
583=item B<colorRV:> I<colour>
584
585Use the specified colour as the background for reverse video characters
586when OPTION_HC is disabled (--disable-frills).
587
588=item B<underlineColor:> I<colour> 638=item B<underlineColor:> I<colour>
589 639
590If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
591itself. 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.
592 652
593=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
594 654
595Use 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
596foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
603 663
604=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
605 665
606B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
607option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
608B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
609 669
610=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
611 671
612B<True>: specify that jump scrolling should be used. When scrolling 672B<True>: specify that jump scrolling should be used. When receiving lots
613quickly, 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
614B<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>.
615 679
616=item B<inheritPixmap:> I<boolean> 680=item B<skipScroll:> I<boolean>
617 681
618B<True>: make the background inherit the parent windows' pixmap, giving 682B<True>: (the default) specify that skip scrolling should be used. When
619artificial transparency. B<False>: do not inherit the parent windows' 683receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
620pixmap. 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>.
621 687
622I<Please note that transparency of any kind if completely unsupported by 688B<False>: specify that everything is to be displayed, even
623the 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.
624 698
625=item B<fading:> I<number> 699=item B<fading:> I<number>
626 700
627Fade 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>.
628 702
631Fade 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
632colour is black; option B<-fadecolor>. 706colour is black; option B<-fadecolor>.
633 707
634=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
635 709
636Tint the transparent background pixmap with the given colour; option 710Tint the transparent background with the given colour. If the RENDER
637B<-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>.
638 715
639=item B<shading:> I<number> 716=item B<shading:> I<number>
640 717
641Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 718Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
642in addition to tinting it; option B<-sh>. 719A value of 100 means no shading; option B<-sh>.
643 720
644=item B<blendType:> I<string> 721=item B<blendType:> I<string>
645 722
646Specify background blending type; option B<-blt>. 723Specify background blending type; option B<-blt>.
647 724
648=item B<blurRadius:> I<number> 725=item B<blurRadius:> I<number>
649 726
650Apply Gaussian Blurr with the specified radius to the transparent 727Apply gaussian blur with the specified radius to the transparent
651background image; option B<-blr>. 728background; option B<-blr>.
729
730=item B<iconFile:> I<file>
731
732Set the application icon pixmap; option B<-icon>.
652 733
653=item B<scrollColor:> I<colour> 734=item B<scrollColor:> I<colour>
654 735
655Use the specified colour for the scrollbar [default #B2B2B2]. 736Use the specified colour for the scrollbar [default #B2B2B2].
656 737
662=item B<borderColor:> I<colour> 743=item B<borderColor:> I<colour>
663 744
664The 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
665and the text. 746and the text.
666 747
667=item B<backgroundPixmap:> I<file[;geom]> 748=item B<backgroundPixmap:> I<file[;oplist]>
668 749
669Use the specified image file for the background and also optionally 750Use the specified image file for the background and also
670specify its scaling with a geometry string B<WxH+X+Y>, 751optionally specify a colon separated list of operations to modify it.
671in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 752Supported operations are:
753
754=over 4
755
756=item B<WxH+X+Y>
757
758sets scale and position. B<"W" / "H"> specify the horizontal/vertical
672and B<"X" / "Y"> locate the image centre (percent). 759scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
673A scale of 0 displays the image with tiling. A scale of 1 displays the 760scale of 0 disables scaling. The maximum permitted scale is 1000.
674image without any scaling. A scale of 2 to 9 specifies an integer 761
675number of images in that direction. No image will be magnified beyond 762=item B<op=tile>
67610 times its original size. The maximum permitted scale is 1000. 763
677Special string of B<"auto"> used as a geometry will cause image to be 764enables tiling
678automatically scaled to match window size. 765
766=item B<op=keep-aspect>
767
768maintain the image aspect ratio when scaling
769
770=item B<op=root-align>
771
772use the position of the terminal window relative to the root window as
773the image offset, simulating a root window background
774
775=back
776
777The default scale and position setting is C<100x100+50+50>.
778Alternatively, a predefined set of templates can be used to achieve
779the most common setups:
780
781=over 4
782
783=item B<style=tiled>
784
785the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
786
787=item B<style=aspect-stretched>
788
789the image is scaled to fill the whole window maintaining the aspect
790ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
791
792=item B<style=stretched>
793
794the image is scaled to fill the whole window. Equivalent to 100x100
795
796=item B<style=centered>
797
798the image is centered with no scaling. Equivalent to 0x0+50+50
799
800=item B<style=root-tiled>
801
802the image is tiled with no scaling and using 'root' positioning.
803Equivalent to 0x0:op=tile:op=root-align
804
805=back
806
807If multiple templates are specified the last one wins. Note that a
808template overrides all the scale, position and operations settings.
809
679If used in conjunction with B<-tr> option - specified pixmap will be 810If used in conjunction with B<-tr> option, the specified pixmap will be
680blended over transparency image using either alpha-blending, or any 811blended over the transparent background using alpha-blending. If I<afterimage>
681other blending type, specified with B<-blt "type"> option. 812support has been compiled in it is possible to choose other blending
682[default 0x0+50+50] 813types with B<-blt "type"> option.
683 814
684=item B<path:> I<path> 815=item B<path:> I<path>
685 816
686Specify the colon-delimited search path for finding XPM files. 817Specify the colon-delimited search path for finding background image files.
687 818
688=item B<font:> I<fontlist> 819=item B<font:> I<fontlist>
689 820
690Select the fonts to be used. This is a comma separated list of font names 821Select the fonts to be used. This is a comma separated list of font names
691that are checked in order when trying to find glyphs for characters. The 822that are checked in order when trying to find glyphs for characters. The
714it is named first) and thus defines the character cell grid to be 9 pixels 845it is named first) and thus defines the character cell grid to be 9 pixels
715wide and 15 pixels high. 846wide and 15 pixels high.
716 847
717The second font is just used to add additional unicode characters not in 848The second font is just used to add additional unicode characters not in
718the base font, likewise the third, which is unfortunately non-bold, but 849the base font, likewise the third, which is unfortunately non-bold, but
719the bold version of the font does contain less characters, so this is a 850the bold version of the font does contain fewer characters, so this is a
720useful supplement. 851useful supplement.
721 852
722The third font is an Xft font with aliasing turned off, and the characters 853The third font is an Xft font with aliasing turned off, and the characters
723are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 854are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
724contains other characters, but we are not interested in them. 855contains other characters, but we are not interested in them.
748text font will being used for the given style. 879text font will being used for the given style.
749 880
750=item B<intensityStyles:> I<boolean> 881=item B<intensityStyles:> I<boolean>
751 882
752When font styles are not enabled, or this option is enabled (B<True>, 883When font styles are not enabled, or this option is enabled (B<True>,
753option B<-is>, the default), bold and italic font styles imply high 884option B<-is>, the default), bold/blink font styles imply high
754intensity foreground/background colours. Disabling this option (B<False>, 885intensity foreground/background colours. Disabling this option (B<False>,
755option B<+is>) disables this behaviour, the high intensity colours are not 886option B<+is>) disables this behaviour, the high intensity colours are not
756reachable. 887reachable.
757 888
758=item B<selectstyle:> I<mode>
759
760Set mouse selection style to B<old> which is 2.20, B<oldword> which
761is xterm style with 2.20 old word selection, or anything else which
762gives xterm style selection. Only effective when the original (non-perl)
763selection code is in use.
764
765=item B<scrollstyle:> I<mode>
766
767Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
768the author's favourite.
769
770=item B<title:> I<string> 889=item B<title:> I<string>
771 890
772Set window title string, the default title is the command-line 891Set window title string, the default title is the command-line
773specified after the B<-e> option, if any, otherwise the application 892specified after the B<-e> option, if any, otherwise the application
774name; option B<-title>. 893name; option B<-title>.
787=item B<urgentOnBell:> I<boolean> 906=item B<urgentOnBell:> I<boolean>
788 907
789B<True>: set the urgency hint for the wm on receipt of a bell character. 908B<True>: set the urgency hint for the wm on receipt of a bell character.
790B<False>: do not set the urgency hint [default]. 909B<False>: do not set the urgency hint [default].
791 910
911@@RXVT_NAME@@ resets the urgency hint on every focus change.
912
792=item B<visualBell:> I<boolean> 913=item B<visualBell:> I<boolean>
793 914
794B<True>: use visual bell on receipt of a bell character; option B<-vb>. 915B<True>: use visual bell on receipt of a bell character; option B<-vb>.
795B<False>: no visual bell [default]; option B<+vb>. 916B<False>: no visual bell [default]; option B<+vb>.
796 917
819 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 940 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
820 941
821This creates a new file in your home directory with the screen contents 942This creates a new file in your home directory with the screen contents
822every time you hit C<Print>. 943every time you hit C<Print>.
823 944
945=item B<scrollstyle:> I<mode>
946
947Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
948the author's favourite.
949
950=item B<thickness:> I<number>
951
952Set the scrollbar width in pixels.
953
824=item B<scrollBar:> I<boolean> 954=item B<scrollBar:> I<boolean>
825 955
826B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 956B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
827disable the scrollbar; option B<+sb>. 957disable the scrollbar; option B<+sb>.
828 958
847B<False>: do not scroll to bottom when tty receives output; option 977B<False>: do not scroll to bottom when tty receives output; option
848B<+si>. 978B<+si>.
849 979
850=item B<scrollWithBuffer:> I<boolean> 980=item B<scrollWithBuffer:> I<boolean>
851 981
852B<True>: scroll with scrollback buffer when tty receives new lines (and 982B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
853B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 983try to show the same lines) and B<scrollTtyOutput> is False; option
854with scrollback buffer when tty receives new lines; option B<+sw>. 984B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
985new lines; option B<+sw>.
855 986
856=item B<scrollTtyKeypress:> I<boolean> 987=item B<scrollTtyKeypress:> I<boolean>
857 988
858B<True>: scroll to bottom when a non-special key is pressed. Special keys 989B<True>: scroll to bottom when a non-special key is pressed. Special keys
859are those which are intercepted by rxvt-unicode for special handling and 990are those which are intercepted by rxvt-unicode for special handling and
890=item B<termName:> I<termname> 1021=item B<termName:> I<termname>
891 1022
892Specifies the terminal type name to be set in the B<TERM> environment 1023Specifies the terminal type name to be set in the B<TERM> environment
893variable; option B<-tn>. 1024variable; option B<-tn>.
894 1025
895=item B<linespace:> I<number> 1026=item B<lineSpace:> I<number>
896 1027
897Specifies number of lines (pixel height) to insert between each row of 1028Specifies number of lines (pixel height) to insert between each row of
898the display [default 0]; option B<-lsp>. 1029the display [default 0]; option B<-lsp>.
899 1030
900=item B<meta8:> I<boolean> 1031=item B<meta8:> I<boolean>
914 1045
915=item B<cursorBlink:> I<boolean> 1046=item B<cursorBlink:> I<boolean>
916 1047
917B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1048B<True>: blink the cursor. B<False>: do not blink the cursor [default];
918option B<-bc>. 1049option B<-bc>.
1050
1051=item B<cursorUnderline:> I<boolean>
1052
1053B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1054option B<-uc>.
919 1055
920=item B<pointerBlank:> I<boolean> 1056=item B<pointerBlank:> I<boolean>
921 1057
922B<True>: blank the pointer when a key is pressed or after a set number 1058B<True>: blank the pointer when a key is pressed or after a set number
923of seconds of inactivity. B<False>: the pointer is always visible 1059of seconds of inactivity. B<False>: the pointer is always visible
937large number (e.g. C<987654321>) to effectively disable the timeout. 1073large number (e.g. C<987654321>) to effectively disable the timeout.
938 1074
939=item B<backspacekey:> I<string> 1075=item B<backspacekey:> I<string>
940 1076
941The string to send when the backspace key is pressed. If set to B<DEC> 1077The string to send when the backspace key is pressed. If set to B<DEC>
942or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1078or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
943(code 8) - which can be reversed with the appropriate DEC private mode 1079(code 8) - which can be reversed with the appropriate DEC private mode
944escape sequence. 1080escape sequence.
945 1081
946=item B<deletekey:> I<string> 1082=item B<deletekey:> I<string>
947 1083
960will be created). In this mode, characters outside ISO-8859-1 can be used. 1096will be created). In this mode, characters outside ISO-8859-1 can be used.
961 1097
962When the selection extension is not used, only ISO-8859-1 characters can 1098When the selection extension is not used, only ISO-8859-1 characters can
963be used. If not specified, the built-in default is used: 1099be used. If not specified, the built-in default is used:
964 1100
965B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1101B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
966 1102
967=item B<preeditType:> I<style> 1103=item B<preeditType:> I<style>
968 1104
969B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1105B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
970 1106
1026 1162
1027=item B<secondaryScroll:> I<boolean> 1163=item B<secondaryScroll:> I<boolean>
1028 1164
1029Turn on/off secondary screen scroll (default enabled). If this 1165Turn on/off secondary screen scroll (default enabled). If this
1030option is enabled, scrolls on the secondary screen will change the 1166option is enabled, scrolls on the secondary screen will change the
1031scrollback buffer and switching to/from the secondary screen will 1167scrollback buffer and, when secondaryScreen is off, switching
1032instead scroll the screen up. 1168to/from the secondary screen will instead scroll the screen up.
1033 1169
1034=item B<hold>: I<boolean> 1170=item B<hold>: I<boolean>
1035 1171
1036Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1172Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1037will not immediately destroy its window when the program executed within 1173will not immediately destroy its window when the program executed within
1038it exits. Instead, it will wait till it is being killed or closed by the 1174it exits. Instead, it will wait till it is being killed or closed by the
1039user. 1175user.
1176
1177=item B<chdir>: I<path>
1178
1179Sets the working directory for the shell (or the command specified via
1180B<-e>). The I<path> must be an absolute path and it must exist for
1181@@RXVT_NAME@@ to start. If it isn't specified then the current working
1182directory will be used; option B<-cd>.
1040 1183
1041=item B<keysym.>I<sym>: I<string> 1184=item B<keysym.>I<sym>: I<string>
1042 1185
1043Compile I<frills>: Associate I<string> with keysym I<sym>. The 1186Compile I<frills>: Associate I<string> with keysym I<sym>. The
1044intervening resource name B<keysym.> cannot be omitted. 1187intervening resource name B<keysym.> cannot be omitted.
1058searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1201searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1059omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1202omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1060keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1203keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1061performed in an exact manner; however, the closest match is assured. 1204performed in an exact manner; however, the closest match is assured.
1062 1205
1063I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1206I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1064C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1207number), see RESOURCES in C<man 7 X> for further details.
1065C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1066C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1067can start or end with whitespace. B<This feature is deprecated and will
1068be removed>.
1069 1208
1070Please note that you need to double the C<\> in resource files, as
1071Xlib itself does its own de-escaping (you can use C<\033> instead of
1072C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1073processing).
1074
1075You can define a range of keysyms in one shot by providing a I<string> 1209You can define a range of keysyms in one shot by
1210loading the C<keysym-list> perl extension and providing a I<string>
1076with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1211with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1077should be a character not used by the strings. 1212should be a character not used by the strings.
1078 1213
1079Its usage can be demonstrated by an example: 1214Its usage can be demonstrated by an example:
1080 1215
1081 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1216 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1082 1217
1083The above line is equivalent to the following three lines: 1218The above line is equivalent to the following three lines:
1084 1219
1085 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1220 URxvt.keysym.Meta-Control-0x61: \033<a>
1086 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1221 URxvt.keysym.Meta-Control-0x62: \033<b>
1087 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1222 URxvt.keysym.Meta-Control-0x63: \033<c>
1088 1223
1089If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1224If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1090is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1225is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1091example the following means "change the current locale to C<zh_CN.GBK> 1226example the following means "change the current locale to C<zh_CN.GBK>
1092when Control-Meta-c is being pressed": 1227when Control-Meta-c is being pressed":
1093 1228
1094 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1229 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1095 1230
1096If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1231If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1097is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1232is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1098manpage. For example, the F<selection> extension (activated via 1233manpage. For example, the F<selection> extension (activated via
1099C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1234C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1100 1235
1101 URxvt.keysym.M-C-c: perl:selection:rot13 1236 URxvt.keysym.M-C-c: perl:selection:rot13
1102 1237
1103Due the the large number of modifier combinations, a defined key mapping 1238Due the the large number of modifier combinations, a defined key mapping
1104will match if at I<at least> the specified identifiers are being set, and 1239will match if I<at least> the specified identifiers are being set, and
1105no other key mappings with those and more bits are being defined. That 1240no other key mappings with those and more bits are being defined. That
1106means that defining a key map for C<a> will automatically provide 1241means that defining a key map for C<a> will automatically provide
1107definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1242definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1108mappings themselves. 1243mappings themselves.
1109 1244
1160all instances, while B<perl-ext> is used for specific instances. 1295all instances, while B<perl-ext> is used for specific instances.
1161 1296
1162=item B<perl-eval>: I<string> 1297=item B<perl-eval>: I<string>
1163 1298
1164Perl code to be evaluated when all extensions have been registered. See 1299Perl code to be evaluated when all extensions have been registered. See
1165the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1300the @@RXVT_NAME@@perl(3) manpage.
1166will be ignored when running setuid/setgid.
1167 1301
1168=item B<perl-lib>: I<path> 1302=item B<perl-lib>: I<path>
1169 1303
1170Colon-separated list of additional directories that hold extension 1304Colon-separated list of additional directories that hold extension
1171scripts. When looking for extensions specified by the C<perl> resource, 1305scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1172@@RXVT_NAME@@ will first look in these directories and then in 1306look in these directories, then in $HOME/.urxvt/ext and lastly in
1173F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1307F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1174will be ignored when running setuid/setgid.
1175 1308
1176See the @@RXVT_NAME@@perl(3) manpage. 1309See the @@RXVT_NAME@@perl(3) manpage.
1177 1310
1178=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1311=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1179 1312
1201 1334
1202=item B<override-redirect>: I<boolean> 1335=item B<override-redirect>: I<boolean>
1203 1336
1204Compile I<frills>: Sets override-redirect for the terminal window, making 1337Compile I<frills>: Sets override-redirect for the terminal window, making
1205it almost invisible to window managers; option B<-override-redirect>. 1338it almost invisible to window managers; option B<-override-redirect>.
1339
1340=item B<iso14755:> I<boolean>
1341
1342Turn on/off ISO 14755 (default enabled).
1343
1344=item B<iso14755_52:> I<boolean>
1345
1346Turn on/off ISO 14755 5.2 mode (default enabled).
1206 1347
1207=back 1348=back
1208 1349
1209=head1 THE SCROLLBAR 1350=head1 THE SCROLLBAR
1210 1351
1281 1422
1282=head1 ISO 14755 SUPPORT 1423=head1 ISO 14755 SUPPORT
1283 1424
1284ISO 14755 is a standard for entering and viewing unicode characters 1425ISO 14755 is a standard for entering and viewing unicode characters
1285and character codes using the keyboard. It consists of 4 parts. The 1426and character codes using the keyboard. It consists of 4 parts. The
1286first part is available rxvt-unicode has been compiled with 1427first part is available if rxvt-unicode has been compiled with
1287C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1428C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1288with C<--enable-iso14755>. 1429with C<--enable-iso14755>.
1289 1430
1290=over 4 1431=over 4
1291 1432
1349B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1490B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1350it can be seen via the I<who(1)> command, and can accept messages. To 1491it can be seen via the I<who(1)> command, and can accept messages. To
1351allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1492allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1352on some systems or setgid to root or to some other group on others. 1493on some systems or setgid to root or to some other group on others.
1353 1494
1354=head1 COLORS AND GRAPHICS 1495=head1 COLOURS AND GRAPHICS
1355 1496
1356In addition to the default foreground and background colours, 1497In addition to the default foreground and background colours,
1357B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1498B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1358high-intensity bold/blink versions of the same). Here is a list of the 1499high-intensity (potentially bold/blink) versions of the same, and 72 (or
1359colours with their names. 1500240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1501cube plus a 8 (24) colour greyscale ramp.
1502
1503Here is a list of the ANSI colours with their names.
1360 1504
1361=begin table 1505=begin table
1362 1506
1363 B<color0> (black) = Black 1507 B<color0> (black) = Black
1364 B<color1> (red) = Red3 1508 B<color1> (red) = Red3
1384It is also possible to specify the colour values of B<foreground>, 1528It is also possible to specify the colour values of B<foreground>,
1385B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1529B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1386a number 0-15, as a convenient shorthand to reference the colour name of 1530a number 0-15, as a convenient shorthand to reference the colour name of
1387color0-color15. 1531color0-color15.
1388 1532
1389In addition to the colours defined above, @@RXVT_NAME@@ offers an 1533The following text gives values for the standard 88 colour mode (and
1390additional 72 colours. The first 64 of those (with indices 16 to 79) 1534values for the 256 colour mode in parentheses).
1391consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
139216>), followed by 8 additional shades of gray (with indices 80 to 87).
1393 1535
1536The RGB cube uses indices 16..79 (16..231) using the following formulas:
1537
1538 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1539 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1540
1541The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1542steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1543the RGB cube.
1544
1394Together, all those colours implement the 88 colour xterm colours. Only 1545Together, all those colours implement the 88 (256) colour xterm
1395the first 16 can be changed using resources currently, the rest can only 1546colours. Only the first 16 can be changed using resources currently, the
1396be changed via command sequences ("escape codes"). 1547rest can only be changed via command sequences ("escape codes").
1548
1549Applications are advised to use terminfo or command sequences to discover
1550number and RGB values of all colours (yes, you can query this...).
1397 1551
1398Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1552Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1399always swapping the foreground/background colours. This is in contrast to 1553always swapping the foreground/background colours. This is in contrast to
1400I<xterm>(1) where the colours are only swapped if they have not otherwise 1554I<xterm>(1) where the colours are only swapped if they have not otherwise
1401been specified. For example, 1555been specified. For example,
1402 1556
1403=over 4
1404
1405=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1557 @@RXVT_NAME@@ -fg Black -bg White -rv
1406 1558
1407would yield White on Black, while on I<xterm>(1) it would yield Black 1559would yield White on Black, while on I<xterm>(1) it would yield Black on
1408on White. 1560White.
1409
1410=back
1411 1561
1412=head2 ALPHA CHANNEL SUPPORT 1562=head2 ALPHA CHANNEL SUPPORT
1413 1563
1414If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1564If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1415their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1565their act together, rxvt-unicode will do its own alpha channel management:
1416(recommended, but B<MUST> have 4 digits/component) colour specifications, 1566
1417in addition to the ones provided by X, where the additional A component 1567You can prefix any colour with an opaqueness percentage enclosed in
1568brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1569(0-100) that specifies the opacity of the colour, where C<0> is completely
1570transparent and C<100> is completely opaque. For example, C<[50]red> is a
1571half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1572is the recommended format to specify transparency values, and works with
1573all ways to specify a colour.
1574
1575For complete control, rxvt-unicode also supports
1576C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1577specifications, where the additional C<aaaa> component specifies opacity
1418specifies opacity (alpha) values. The minimum value of C<0> is completely 1578(alpha) values. The minimum value of C<0000> is completely transparent,
1419transparent). You can also prefix any color with C<[percent]>, where 1579while C<ffff> is completely opaque). The two example colours from
1420C<percent> is a decimal percentage (0-100) that specifies the opacity of 1580earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1421the color, where C<0> is completely transparent and C<100> is completelxy 1581C<rgba:0000/ff00/0000/f332>.
1422opaque.
1423 1582
1424You probably need to specify B<"-depth 32">, too, and have the luck that 1583You probably need to specify B<"-depth 32">, too, to force a visual with
1425your X-server uses ARGB pixel layout, as X is far from just supporting 1584alpha channels, and have the luck that your X-server uses ARGB pixel
1426ARGB visuals out of the box, and rxvt-unicode just fudges around. 1585layout, as X is far from just supporting ARGB visuals out of the box, and
1586rxvt-unicode just fudges around.
1427 1587
1428For example, the following selects an almost completely transparent red 1588For example, the following selects an almost completely transparent black
1429background, and an almost opaque pink foreground: 1589background, and an almost opaque pink foreground:
1430 1590
1431 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1591 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1432 1592
1433I<Please note that transparency of any kind if completely unsupported by 1593When not using a background image, then the interpretation of the
1434the author. Don't bug him with installation questions!> 1594alpha channel is up to your compositing manager (most interpret it as
1595transparency of course).
1596
1597When using a background pixmap or pseudo-transparency, then the background
1598colour will always behave as if it were completely transparent (so the
1599background image shows instead), regardless of how it was specified, while
1600other colours will either be transparent as specified (the background
1601image will show through) on servers supporting the RENDER extension, or
1602fully opaque on servers not supporting the RENDER EXTENSION.
1603
1604Please note that due to bugs in Xft, specifying alpha values might result
1605in garbage being displayed when the X-server does not support the RENDER
1606extension.
1435 1607
1436=head1 ENVIRONMENT 1608=head1 ENVIRONMENT
1437 1609
1438B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1610B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1439 1611
1445resources or on the command line. 1617resources or on the command line.
1446 1618
1447=item B<COLORTERM> 1619=item B<COLORTERM>
1448 1620
1449Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1621Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1450compiled with XPM support, and optionally with the added extension 1622compiled with background image support, and optionally with the added
1451C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1623extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1624screen.
1452 1625
1453=item B<COLORFGBG> 1626=item B<COLORFGBG>
1454 1627
1455Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1628Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1456the colour code used as default foreground/text colour (or the string 1629the colour code used as default foreground/text colour (or the string
1457C<default> to indicate that the default-colour escape sequence is to be 1630C<default> to indicate that the default-colour escape sequence is to be
1458used), C<bg> is the colour code used as default background colour (or the 1631used), C<bg> is the colour code used as default background colour (or the
1459string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1632string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1460was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1633was compiled with background image support. Libraries like C<ncurses>
1461(and do) use this information to optimize screen output. 1634and C<slang> can (and do) use this information to optimize screen output.
1462 1635
1463=item B<WINDOWID> 1636=item B<WINDOWID>
1464 1637
1465Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1638Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1466window, which usually has subwindows for the scrollbar, the terminal 1639window, which usually has subwindows for the scrollbar, the terminal
1472C<--with-terminfo=PATH>. 1645C<--with-terminfo=PATH>.
1473 1646
1474=item B<DISPLAY> 1647=item B<DISPLAY>
1475 1648
1476Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1649Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1477display in its child processes. 1650display in its child processes if C<-display> isn't used to override. It
1651defaults to C<:0> if it doesn't exist.
1478 1652
1479=item B<SHELL> 1653=item B<SHELL>
1480 1654
1481The shell to be used for command execution, defaults to C</bin/sh>. 1655The shell to be used for command execution, defaults to C</bin/sh>.
1482 1656
1483=item B<RXVT_SOCKET> 1657=item B<RXVT_SOCKET>
1484 1658
1485The unix domain socket path used by @@RXVT_NAME@@c(1) and 1659The unix domain socket path used by @@RXVT_NAME@@c(1) and
1486@@RXVT_NAME@@d(1). 1660@@RXVT_NAME@@d(1).
1487 1661
1488Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1662Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1489 1663
1490=item B<HOME> 1664=item B<HOME>
1491 1665
1492Used to locate the default directory for the unix domain socket for 1666Used to locate the default directory for the unix domain socket for
1493daemon communications and to locate various resource files (such as 1667daemon communications and to locate various resource files (such as
1494C<.Xdefaults>) 1668C<.Xdefaults>)
1495 1669
1496=item B<XAPPLRESDIR> 1670=item B<XAPPLRESDIR>
1497 1671
1498Directory where various X resource files are being located. 1672Directory where application-specific X resource files are located.
1499 1673
1500=item B<XENVIRONMENT> 1674=item B<XENVIRONMENT>
1501 1675
1502If 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
1503@@RXVT_NAME@@. 1677@@RXVT_NAME@@.
1508 1682
1509=over 4 1683=over 4
1510 1684
1511=item B</usr/lib/X11/rgb.txt> 1685=item B</usr/lib/X11/rgb.txt>
1512 1686
1513Color names. 1687Colour names.
1514 1688
1515=back 1689=back
1516 1690
1517=head1 SEE ALSO 1691=head1 SEE ALSO
1518 1692
1557Project Coordinator (changes.txt 2.21a to 2.4.5) 1731Project Coordinator (changes.txt 2.21a to 2.4.5)
1558 1732
1559=item Geoff Wing L<< <gcw@pobox.com> >> 1733=item Geoff Wing L<< <gcw@pobox.com> >>
1560 1734
1561Rewrote screen display and text selection routines. 1735Rewrote screen display and text selection routines.
1562 1736
1563Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1737Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1564 1738
1565=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1739=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1566 1740
1567Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1741Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1569 1743
1570Project Coordinator (Changes 1.0 -) 1744Project Coordinator (Changes 1.0 -)
1571 1745
1572=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1746=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1573 1747
1574Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1748pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1575 1749
1576=back 1750=back
1577 1751

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