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Revision 1.129 by root, Mon May 28 20:34:56 2007 UTC vs.
Revision 1.158 by root, Wed Jan 23 14:33:42 2008 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
108 111
109Turn on/off simulated reverse video; resource B<reverseVideo>. 112Turn on/off simulated reverse video; resource B<reverseVideo>.
110 113
111=item B<-j>|B<+j> 114=item B<-j>|B<+j>
112 115
113Turn on/off jump scrolling; resource B<jumpScroll>. 116Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
114 117
115=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 118=item B<-ss>|B<+ss>
116 119
117Turn on/off inheriting parent window's pixmap. Alternative form is 120Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118B<-tr>; resource B<inheritPixmap>.
119 121
120I<Please note that transparency of any kind if completely unsupported by 122=item B<-tr>|B<+tr>
121the author. Don't bug him with installation questions! Read the FAQ (man 7 123
122@@RXVT_NAME@@)!> 124Turn on/off illusion of a transparent window background; resource B<transparent>.
125
126B<-ip> is still accepted as an obsolete alias but will be removed in
127future versions.
128
129I<Please address all transparency related issues to Sasha Vasko at
130sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
123 131
124=item B<-fade> I<number> 132=item B<-fade> I<number>
125 133
126Fade the text by the given percentage when focus is lost. Small values 134Fade the text by the given percentage when focus is lost. Small values
127fade a little only, 100 completely replaces all colours by the fade 135fade a little only, 100 completely replaces all colours by the fade
133is opaque black. resource B<fadeColor>. 141is opaque black. resource B<fadeColor>.
134 142
135=item B<-tint> I<colour> 143=item B<-tint> I<colour>
136 144
137Tint the transparent background pixmap with the given colour when 145Tint the transparent background pixmap with the given colour when
138transparency is enabled with B<-tr> or B<-ip>. This only works for 146transparency is enabled with B<-tr>. This only works for
139non-tiled backgrounds, currently. See also the B<-sh> option that can be 147non-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 148used to brighten or darken the image in addition to tinting it.
149Please note that certain tint colours can be applied on the server-side,
150thus yielding performance gain of two orders of magnitude. These colours are:
151blue, red, green, cyan, magenta, yellow, and those close to them. Also
152pure black and pure white colors essentially mean no tinting; resource
141I<tintColor>. Example: 153I<tintColor>. Example:
142 154
143 @@RXVT_NAME@@ -tr -tint blue -sh 40 155 @@RXVT_NAME@@ -tr -tint blue -sh 40
144 156
145=item B<-sh> 157=item B<-sh> I<number>
146 158
147I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 159Darken (0 .. 100) or lighten (100 .. 200) the transparent
148background image in addition to tinting it (i.e. B<-tint> must be 160background image in addition to (or instead of) tinting it;
149specified, too, e.g. C<-tint white>); resource I<shading>. 161resource I<shading>.
162
163=item B<-blt> I<string>
164
165Specify background blending type. If background pixmap is specified
166at the same time as transparency - such pixmap will be blended over
167transparency image, using method specified. Supported values are :
168B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
169B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
170B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
171alpha-blending. Compile I<afterimage>; resource I<blendType>.
172
173=item B<-blr> I<HxV>
174
175Apply Gaussian Blur with the specified radii to the transparent
176background image. If single number is specified - both vertical and
177horizontal radii are considered to be the same. Setting one of the
178radii to 1 and another to a large number creates interesting effects
179on some backgrounds. Maximum radius value is 128. Compile I<afterimage>;
180resource I<blurRadius>.
150 181
151=item B<-bg> I<colour> 182=item B<-bg> I<colour>
152 183
153Window background colour; resource B<background>. 184Window background colour; resource B<background>.
154 185
155=item B<-fg> I<colour> 186=item B<-fg> I<colour>
156 187
157Window foreground colour; resource B<foreground>. 188Window foreground colour; resource B<foreground>.
158 189
159=item B<-pixmap> I<file[;geom]> 190=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
160 191
161Compile I<XPM>: Specify XPM file for the background and also optionally 192Compile I<afterimage>: Specify image file for the background and also
162specify its scaling with a geometry string. Note you may need to 193optionally specify its scaling with a geometry string. Note you may need to
163add quotes to avoid special shell interpretation of the C<;> in the 194add quotes to avoid special shell interpretation of the C<;> in the
164command-line; resource B<backgroundPixmap>. 195command-line; for more details see resource B<backgroundPixmap>.
165 196
166=item B<-cr> I<colour> 197=item B<-cr> I<colour>
167 198
168The cursor colour; resource B<cursorColor>. 199The cursor colour; resource B<cursorColor>.
169 200
214italic> >> characters are to be printed. See resource B<boldItalicFont> 245italic> >> characters are to be printed. See resource B<boldItalicFont>
215for details. 246for details.
216 247
217=item B<-is>|B<+is> 248=item B<-is>|B<+is>
218 249
219Compile I<font-styles>: Bold/Italic font styles imply high intensity 250Compile I<font-styles>: Bold/Blink font styles imply high intensity
220foreground/background (default). See resource B<intensityStyles> for 251foreground/background (default). See resource B<intensityStyles> for
221details. 252details.
222 253
223=item B<-name> I<name> 254=item B<-name> I<name>
224 255
242 273
243=item B<-sb>|B<+sb> 274=item B<-sb>|B<+sb>
244 275
245Turn on/off scrollbar; resource B<scrollBar>. 276Turn on/off scrollbar; resource B<scrollBar>.
246 277
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
247=item B<-si>|B<+si> 287=item B<-si>|B<+si>
248 288
249Turn on/off scroll-to-bottom on TTY output inhibit; resource 289Turn on/off scroll-to-bottom on TTY output inhibit; resource
250B<scrollTtyOutput> has opposite effect. 290B<scrollTtyOutput> has opposite effect.
251 291
257=item B<-sw>|B<+sw> 297=item B<-sw>|B<+sw>
258 298
259Turn on/off scrolling with the scrollback buffer as new lines appear. 299Turn on/off scrolling with the scrollback buffer as new lines appear.
260This only takes effect if B<-si> is also given; resource 300This only takes effect if B<-si> is also given; resource
261B<scrollWithBuffer>. 301B<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>.
271 302
272=item B<-ptab>|B<+ptab> 303=item B<-ptab>|B<+ptab>
273 304
274If enabled (default), "Horizontal Tab" characters are being stored as 305If enabled (default), "Horizontal Tab" characters are being stored as
275actual wide characters in the screen buffer, which makes it possible to 306actual wide characters in the screen buffer, which makes it possible to
322 353
323=item B<-lsp> I<number> 354=item B<-lsp> I<number>
324 355
325Compile I<frills>: Lines (pixel height) to insert between each row of 356Compile I<frills>: Lines (pixel height) to insert between each row of
326the display. Useful to work around font rendering problems; resource 357the display. Useful to work around font rendering problems; resource
327B<linespace>. 358B<lineSpace>.
328 359
329=item B<-tn> I<termname> 360=item B<-tn> I<termname>
330 361
331This option specifies the name of the terminal type to be set in the 362This option specifies the name of the terminal type to be set in the
332B<TERM> environment variable. This terminal type must exist in the 363B<TERM> environment variable. This terminal type must exist in the
387 418
388=item B<-tcw> 419=item B<-tcw>
389 420
390Change the meaning of triple-click selection with the left mouse 421Change the meaning of triple-click selection with the left mouse
391button. Only effective when the original (non-perl) selection code is 422button. Only effective when the original (non-perl) selection code is
392in-use. Instead of selecting a full line it will extend the selection the 423in-use. Instead of selecting a full line it will extend the selection to
393end of the logical line only. resource B<tripleclickwords>. 424the end of the logical line only. resource B<tripleclickwords>.
394 425
395=item B<-insecure> 426=item B<-insecure>
396 427
397Enable "insecure" mode, which currently enables most of the escape 428Enable "insecure" mode, which currently enables most of the escape
398sequences that echo strings. See the resource B<insecure> for more 429sequences that echo strings. See the resource B<insecure> for more
418 449
419Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 450Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
420will not immediately destroy its window when the program executed within 451will 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 452it exits. Instead, it will wait till it is being killed or closed by the
422user; resource B<hold>. 453user; resource B<hold>.
454
455=item B<-xrm> I<string>
456
457Works like the X Toolkit option of the same name, by adding the I<string>
458as if it were specified in a resource file. Resource values specified this
459way take precedence over all other resource specifications.
460
461Note that you need to use the I<same> syntax as in the .Xdefaults file,
462e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
463options can be specified as long-options on the commandline, so use
464of B<-xrm> is mostly limited to cases where you want to specify other
465resources (e.g. for input methods) or for compatibility with other
466programs.
423 467
424=item B<-keysym.>I<sym> I<string> 468=item B<-keysym.>I<sym> I<string>
425 469
426Remap a key symbol. See resource B<keysym>. 470Remap a key symbol. See resource B<keysym>.
427 471
462If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 506If 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 507entries and will not tinker with pty/tty permissions - you have to do that
464yourself if you want that. 508yourself if you want that.
465 509
466As an extremely special case, specifying C<-1> will completely suppress 510As an extremely special case, specifying C<-1> will completely suppress
467pty/tty operations. 511pty/tty operations, which is probably only useful in conjunction with some
512perl extension that manages the terminal.
468 513
469Here is a example in perl that illustrates how this option can be used (a 514Here is a example in perl that illustrates how this option can be used (a
470longer example is in F<doc/pty-fd>): 515longer example is in F<doc/pty-fd>):
471 516
472 use IO::Pty; 517 use IO::Pty;
486Comma-separated list of perl extension scripts to use (or not to use) in 531Comma-separated list of perl extension scripts to use (or not to use) in
487this terminal instance. See resource B<perl-ext> for details. 532this terminal instance. See resource B<perl-ext> for details.
488 533
489=back 534=back
490 535
491=head1 RESOURCES (available also as long-options) 536=head1 RESOURCES
492 537
493Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 538Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
494options) compiled into your version. 539options) compiled into your version. All resources are also available as
540long-options.
495 541
496You can set and change the resources using X11 tools like B<xrdb>. Many 542You 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 543distribution do also load settings from the B<~/.Xresources> file when X
498starts. @@RXVT_NAME@@ will consult the following files/resources in order, 544starts. @@RXVT_NAME@@ will consult the following files/resources in order,
499with later settings overwriting earlier ones: 545with later settings overwriting earlier ones:
501 1. system-wide app-defaults file, either locale-dependent OR global 547 1. system-wide app-defaults file, either locale-dependent OR global
502 2. app-defaults file in $XAPPLRESDIR 548 2. app-defaults file in $XAPPLRESDIR
503 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 549 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
504 4. SCREEN_RESOURCES for the current screen 550 4. SCREEN_RESOURCES for the current screen
505 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 551 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
552 6. resources specified via -xrm on the commandline
506 553
507Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 554Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
508names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 555names: 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 556common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
510configured, while the class name B<URxvt> allows resources unique to 557configured, while the class name B<URxvt> allows resources unique to
592option B<-rv>. B<False>: regular screen colours [default]; option 639option B<-rv>. B<False>: regular screen colours [default]; option
593B<+rv>. See note in B<COLORS AND GRAPHICS> section. 640B<+rv>. See note in B<COLORS AND GRAPHICS> section.
594 641
595=item B<jumpScroll:> I<boolean> 642=item B<jumpScroll:> I<boolean>
596 643
597B<True>: specify that jump scrolling should be used. When scrolling 644B<True>: specify that jump scrolling should be used. When receiving lots
598quickly, fewer screen updates are performed [default]; option B<-j>. 645of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
646has been read, resulting in fewer updates while still displaying every
647received line; option B<-j>.
648
599B<False>: specify that smooth scrolling should be used; option B<+j>. 649B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
650force a screen refresh on each new line it received; option B<+j>.
600 651
601=item B<inheritPixmap:> I<boolean> 652=item B<skipScroll:> I<boolean>
602 653
603B<True>: make the background inherit the parent windows' pixmap, giving 654B<True>: (the default) specify that skip scrolling should be used. When
604artificial transparency. B<False>: do not inherit the parent windows' 655receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
605pixmap. 656(around 60 times per second), resulting in far fewer updates. This can
657result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
658option B<-ss>.
606 659
607I<Please note that transparency of any kind if completely unsupported by 660B<False>: specify that everything is to be displayed, even
608the author. Don't bug him with installation questions!> 661if the refresh is too fast for the human eye to read anything (or the
662monitor to display anything); option B<+ss>.
663
664=item B<transparent:> I<boolean>
665
666Turn on/off illusion of a transparent window background.
667
668B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
669future versions.
670
671I<Please address all transparency related issues to Sasha Vasko at
672sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
609 673
610=item B<fading:> I<number> 674=item B<fading:> I<number>
611 675
612Fade the text by the given percentage when focus is lost; option B<-fade>. 676Fade the text by the given percentage when focus is lost; option B<-fade>.
613 677
624=item B<shading:> I<number> 688=item B<shading:> I<number>
625 689
626Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 690Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image
627in addition to tinting it; option B<-sh>. 691in addition to tinting it; option B<-sh>.
628 692
693=item B<blendType:> I<string>
694
695Specify background blending type; option B<-blt>.
696
697=item B<blurRadius:> I<number>
698
699Apply Gaussian Blurr with the specified radius to the transparent
700background image; option B<-blr>.
701
629=item B<scrollColor:> I<colour> 702=item B<scrollColor:> I<colour>
630 703
631Use the specified colour for the scrollbar [default #B2B2B2]. 704Use the specified colour for the scrollbar [default #B2B2B2].
632 705
633=item B<troughColor:> I<colour> 706=item B<troughColor:> I<colour>
638=item B<borderColor:> I<colour> 711=item B<borderColor:> I<colour>
639 712
640The colour of the border around the text area and between the scrollbar 713The colour of the border around the text area and between the scrollbar
641and the text. 714and the text.
642 715
643=item B<backgroundPixmap:> I<file[;geom]> 716=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
644 717
645Use the specified XPM file (note the `.xpm' extension is optional) for 718Use the specified image file for the background and also
646the background and also optionally specify its scaling with a geometry 719optionally specify its scaling with a geometry string B<WxH+X+Y>,
647string B<WxH+X+Y>, in which B<"W" / "H"> specify the 720(default C<0x0+50+50>) in which B<"W" / "H"> specify the
648horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 721horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
649centre (percent). A scale of 0 displays the image with tiling. A scale 722centre (percent). A scale of 0 displays the image with tiling. A scale
650of 1 displays the image without any scaling. A scale of 2 to 9 723of 1 displays the image without any scaling. A scale of 2 to 9 specifies
651specifies an integer number of images in that direction. No image will 724an integer number of images in that direction. No image will be magnified
652be magnified beyond 10 times its original size. The maximum permitted 725beyond 10 times its original size. The maximum permitted scale is 1000.
653scale is 1000. [default 0x0+50+50] 726Additional operations can be specified after colon B<:op1:op2...>.
727Supported operations are:
728
729 tile force background image to be tiled and not scaled. Equivalent to 0x0
730 propscale will scale image keeping proportions
731 auto will scale image to match window size. Equivalent to 100x100
732 hscale will scale image horizontally to the window size
733 vscale will scale image vertically to the window size
734 scale will scale image to match window size
735 root will tile image as if it was a root window background, auto-adjusting
736 whenever terminal window moves
737
738If used in conjunction with B<-tr> option, the specified pixmap will be
739blended over transparency image using either alpha-blending, or any
740other blending type, specified with B<-blt "type"> option.
654 741
655=item B<path:> I<path> 742=item B<path:> I<path>
656 743
657Specify the colon-delimited search path for finding XPM files. 744Specify the colon-delimited search path for finding background image files.
658 745
659=item B<font:> I<fontlist> 746=item B<font:> I<fontlist>
660 747
661Select the fonts to be used. This is a comma separated list of font names 748Select 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 749that are checked in order when trying to find glyphs for characters. The
719text font will being used for the given style. 806text font will being used for the given style.
720 807
721=item B<intensityStyles:> I<boolean> 808=item B<intensityStyles:> I<boolean>
722 809
723When font styles are not enabled, or this option is enabled (B<True>, 810When font styles are not enabled, or this option is enabled (B<True>,
724option B<-is>, the default), bold and italic font styles imply high 811option B<-is>, the default), bold/blink font styles imply high
725intensity foreground/background colours. Disabling this option (B<False>, 812intensity foreground/background colours. Disabling this option (B<False>,
726option B<+is>) disables this behaviour, the high intensity colours are not 813option B<+is>) disables this behaviour, the high intensity colours are not
727reachable. 814reachable.
728 815
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> 816=item B<title:> I<string>
742 817
743Set window title string, the default title is the command-line 818Set window title string, the default title is the command-line
744specified after the B<-e> option, if any, otherwise the application 819specified after the B<-e> option, if any, otherwise the application
745name; option B<-title>. 820name; option B<-title>.
789 864
790 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 865 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
791 866
792This creates a new file in your home directory with the screen contents 867This creates a new file in your home directory with the screen contents
793every time you hit C<Print>. 868every time you hit C<Print>.
869
870=item B<scrollstyle:> I<mode>
871
872Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
873the author's favourite.
794 874
795=item B<scrollBar:> I<boolean> 875=item B<scrollBar:> I<boolean>
796 876
797B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 877B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
798disable the scrollbar; option B<+sb>. 878disable the scrollbar; option B<+sb>.
861=item B<termName:> I<termname> 941=item B<termName:> I<termname>
862 942
863Specifies the terminal type name to be set in the B<TERM> environment 943Specifies the terminal type name to be set in the B<TERM> environment
864variable; option B<-tn>. 944variable; option B<-tn>.
865 945
866=item B<linespace:> I<number> 946=item B<lineSpace:> I<number>
867 947
868Specifies number of lines (pixel height) to insert between each row of 948Specifies number of lines (pixel height) to insert between each row of
869the display [default 0]; option B<-lsp>. 949the display [default 0]; option B<-lsp>.
870 950
871=item B<meta8:> I<boolean> 951=item B<meta8:> I<boolean>
931will be created). In this mode, characters outside ISO-8859-1 can be used. 1011will be created). In this mode, characters outside ISO-8859-1 can be used.
932 1012
933When the selection extension is not used, only ISO-8859-1 characters can 1013When the selection extension is not used, only ISO-8859-1 characters can
934be used. If not specified, the built-in default is used: 1014be used. If not specified, the built-in default is used:
935 1015
936B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1016B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
937 1017
938=item B<preeditType:> I<style> 1018=item B<preeditType:> I<style>
939 1019
940B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1020B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
941 1021
1029searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1109searching 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 1110omitting 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 1111keysym 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. 1112performed in an exact manner; however, the closest match is assured.
1033 1113
1034I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1114I<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, 1115number), see RESOURCES in C<man 7 X> for futher 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 1116
1046You can define a range of keysyms in one shot by providing a I<string> 1117You can define a range of keysyms in one shot by providing a I<string>
1047with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1118with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1048should be a character not used by the strings. 1119should be a character not used by the strings.
1049 1120
1173=item B<override-redirect>: I<boolean> 1244=item B<override-redirect>: I<boolean>
1174 1245
1175Compile I<frills>: Sets override-redirect for the terminal window, making 1246Compile I<frills>: Sets override-redirect for the terminal window, making
1176it almost invisible to window managers; option B<-override-redirect>. 1247it almost invisible to window managers; option B<-override-redirect>.
1177 1248
1249=item B<iso14755_52:> I<boolean>
1250
1251Turn on/off ISO 14755 5.2 mode (default enabled).
1252
1178=back 1253=back
1179 1254
1180=head1 THE SCROLLBAR 1255=head1 THE SCROLLBAR
1181 1256
1182Lines of text that scroll off the top of the B<@@RXVT_NAME@@> window 1257Lines of text that scroll off the top of the B<@@RXVT_NAME@@> window
1252 1327
1253=head1 ISO 14755 SUPPORT 1328=head1 ISO 14755 SUPPORT
1254 1329
1255ISO 14755 is a standard for entering and viewing unicode characters 1330ISO 14755 is a standard for entering and viewing unicode characters
1256and character codes using the keyboard. It consists of 4 parts. The 1331and character codes using the keyboard. It consists of 4 parts. The
1257first part is available rxvt-unicode has been compiled with 1332first part is available if rxvt-unicode has been compiled with
1258C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1333C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1259with C<--enable-iso14755>. 1334with C<--enable-iso14755>.
1260 1335
1261=over 4 1336=over 4
1262 1337
1378would yield White on Black, while on I<xterm>(1) it would yield Black 1453would yield White on Black, while on I<xterm>(1) it would yield Black
1379on White. 1454on White.
1380 1455
1381=back 1456=back
1382 1457
1383=head2 ALPHA CHANNEL SUPPORT 1458=head2 ALPHA CHANNEL SUPPORT / TRANSPARENT COLOURS
1384 1459
1385If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1460If 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> 1461their act together, rxvt-unicode will do it's own alpha channel management:
1387(recommended, but B<MUST> have 4 digits/component) colour specifications, 1462
1388in addition to the ones provided by X, where the additional A component 1463You can prefix any color with an opaquenes percentage enclosed in
1464brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1465(0-100) that specifies the opacity of the color, where C<0> is completely
1466transparent and C<100> is completely opaque. For example, C<[50]red> is a
1467half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1468is the recommended format to specify transparency values, and works with
1469all ways to specify a colour.
1470
1471For complete control, rxvt-unicode also supports
1472C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1473specifications, where the additional C<aaaa> component specifies opacity
1389specifies opacity (alpha) values. The minimum value of C<0> is completely 1474(alpha) values. The minimum value of C<0000> is completely transparent,
1390transparent). You can also prefix any color with C<[percent]>, where 1475while C<ffff> is completely opaque). The two example colours from
1391C<percent> is a decimal percentage (0-100) that specifies the opacity of 1476earlier 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 1477C<rgba:0000/ff00/0000/f332>.
1393opaque.
1394 1478
1395You probably need to specify B<"-depth 32">, too, and have the luck that 1479You 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 1480alpha channels, and have the luck that your X-server uses ARGB pixel
1397ARGB visuals out of the box, and rxvt-unicode just fudges around. 1481layout, as X is far from just supporting ARGB visuals out of the box, and
1482rxvt-unicode just fudges around.
1398 1483
1399For example, the following selects an almost completely transparent red 1484For example, the following selects an almost completely transparent black
1400background, and an almost opaque pink foreground: 1485background, and an almost opaque pink foreground:
1401 1486
1402 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1487 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1403 1488
1404I<Please note that transparency of any kind if completely unsupported by 1489When not using a background image, then the interpretation of the
1405the author. Don't bug him with installation questions!> 1490alpha channel is up to your compositing manager (most interpret it as
1491transparency of course).
1492
1493When using a background pixmap or pseudo-transparency, then the background
1494colour will always behave as if it were completely transparent (so the
1495background image shows instead), regardless of how it was specified, while
1496other colours will either be transparent as specified (the background
1497image will show through) on servers supporting the RENDER extension, or
1498fully opaque on servers not supporting the RENDER EXTENSION.
1499
1500Please note that due to bugs in Xft, specifying alpha values might result
1501in garbage being displayed when the X-server does not support the RENDER
1502extension.
1406 1503
1407=head1 ENVIRONMENT 1504=head1 ENVIRONMENT
1408 1505
1409B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1506B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1410 1507
1416resources or on the command line. 1513resources or on the command line.
1417 1514
1418=item B<COLORTERM> 1515=item B<COLORTERM>
1419 1516
1420Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1517Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1421compiled with XPM support, and optionally with the added extension 1518compiled with background image support, and optionally with the added
1422C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1519extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1520screen.
1423 1521
1424=item B<COLORFGBG> 1522=item B<COLORFGBG>
1425 1523
1426Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1524Set 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 1525the colour code used as default foreground/text colour (or the string
1428C<default> to indicate that the default-colour escape sequence is to be 1526C<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 1527used), 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@@ 1528string 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 1529was compiled with background image support. Libraries like C<ncurses>
1432(and do) use this information to optimize screen output. 1530and C<slang> can (and do) use this information to optimize screen output.
1433 1531
1434=item B<WINDOWID> 1532=item B<WINDOWID>
1435 1533
1436Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1534Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1437window, which usually has subwindows for the scrollbar, the terminal 1535window, which usually has subwindows for the scrollbar, the terminal
1528Project Coordinator (changes.txt 2.21a to 2.4.5) 1626Project Coordinator (changes.txt 2.21a to 2.4.5)
1529 1627
1530=item Geoff Wing L<< <gcw@pobox.com> >> 1628=item Geoff Wing L<< <gcw@pobox.com> >>
1531 1629
1532Rewrote screen display and text selection routines. 1630Rewrote screen display and text selection routines.
1533 1631
1534Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1632Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1535 1633
1536=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1634=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1537 1635
1538Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1636Forked rxvt-unicode, unicode support, rewrote almost all the code, perl

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