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Revision 1.135 by ayin, Wed Aug 1 01:45:06 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
114 117
115=item B<-ss>|B<+ss> 118=item B<-ss>|B<+ss>
116 119
117Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>. 120Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118 121
119=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 122=item B<-tr>|B<+tr>
120 123
121Turn on/off inheriting parent window's pixmap. Alternative form is 124Turn on/off illusion of a transparent window background; resource B<transparent>.
122B<-tr>; resource B<inheritPixmap>.
123 125
124I<Please note that transparency of any kind if completely unsupported by 126B<-ip> is still accepted as an obsolete alias but will be removed in
125the author. Don't bug him with installation questions! Read the FAQ (man 7 127future versions.
126@@RXVT_NAME@@)!> 128
129I<Please address all transparency related issues to Sasha Vasko at
130sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
127 131
128=item B<-fade> I<number> 132=item B<-fade> I<number>
129 133
130Fade 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
131fade a little only, 100 completely replaces all colours by the fade 135fade a little only, 100 completely replaces all colours by the fade
137is opaque black. resource B<fadeColor>. 141is opaque black. resource B<fadeColor>.
138 142
139=item B<-tint> I<colour> 143=item B<-tint> I<colour>
140 144
141Tint the transparent background pixmap with the given colour when 145Tint the transparent background pixmap with the given colour when
142transparency is enabled with B<-tr> or B<-ip>. This only works for 146transparency is enabled with B<-tr>. This only works for
143non-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
144used to brighten or darken the image in addition to tinting it. 148used to brighten or darken the image in addition to tinting it.
145Please note that certain tint colours can be applied on the server-side, 149Please note that certain tint colours can be applied on the server-side,
146thus yielding performance gain of two orders of magnitude. These colours are: 150thus yielding performance gain of two orders of magnitude. These colours are:
147blue, red, green, cyan, magenta, yellow, and those close to them; resource 151blue, red, green, cyan, magenta, yellow, and those close to them. Also
152pure black and pure white colors essentially mean no tinting; resource
148I<tintColor>. Example: 153I<tintColor>. Example:
149 154
150 @@RXVT_NAME@@ -tr -tint blue -sh 40 155 @@RXVT_NAME@@ -tr -tint blue -sh 40
151 156
152=item B<-sh> I<number> 157=item B<-sh> I<number>
153 158
154Darken (0 .. 100) or lighten (-1 .. -100) the transparent 159Darken (0 .. 100) or lighten (100 .. 200) the transparent
155background image in addition to (or instead of) tinting it; 160background image in addition to (or instead of) tinting it;
156resource I<shading>. 161resource I<shading>.
157 162
158=item B<-blt> I<string> 163=item B<-blt> I<string>
159 164
161at the same time as transparency - such pixmap will be blended over 166at the same time as transparency - such pixmap will be blended over
162transparency image, using method specified. Supported values are : 167transparency image, using method specified. Supported values are :
163B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 168B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
164B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 169B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
165B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is 170B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
166alpha-blending; resource I<blendType>. 171alpha-blending. Compile I<afterimage>; resource I<blendType>.
167 172
168=item B<-blr> I<HxV> 173=item B<-blr> I<HxV>
169 174
170Apply Gaussian Blur with the specified radii to the transparent 175Apply Gaussian Blur with the specified radii to the transparent
171background image. If single number is specified - both vertical and 176background image. If single number is specified - both vertical and
172horizontal radii are considered to be the same. Setting one of the 177horizontal radii are considered to be the same. Setting one of the
173radii to 1 and another to a large number creates interesting effects 178radii to 1 and another to a large number creates interesting effects
174on some backgrounds. Maximum radius value is 128; resource I<blurRadius>. 179on some backgrounds. Maximum radius value is 128. Compile I<afterimage>;
180resource I<blurRadius>.
175 181
176=item B<-bg> I<colour> 182=item B<-bg> I<colour>
177 183
178Window background colour; resource B<background>. 184Window background colour; resource B<background>.
179 185
180=item B<-fg> I<colour> 186=item B<-fg> I<colour>
181 187
182Window foreground colour; resource B<foreground>. 188Window foreground colour; resource B<foreground>.
183 189
184=item B<-pixmap> I<file[;geom]> 190=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
185 191
186Compile I<afterimage>: Specify image file for the background and also 192Compile I<afterimage>: Specify image file for the background and also
187optionally specify its scaling with a geometry string. Note you may need to 193optionally specify its scaling with a geometry string. Note you may need to
188add quotes to avoid special shell interpretation of the C<;> in the 194add quotes to avoid special shell interpretation of the C<;> in the
189command-line; for more details see resource B<backgroundPixmap>. 195command-line; for more details see resource B<backgroundPixmap>.
190 196
191=item B<-cr> I<colour> 197=item B<-cr> I<colour>
239italic> >> characters are to be printed. See resource B<boldItalicFont> 245italic> >> characters are to be printed. See resource B<boldItalicFont>
240for details. 246for details.
241 247
242=item B<-is>|B<+is> 248=item B<-is>|B<+is>
243 249
244Compile I<font-styles>: Bold/Italic font styles imply high intensity 250Compile I<font-styles>: Bold/Blink font styles imply high intensity
245foreground/background (default). See resource B<intensityStyles> for 251foreground/background (default). See resource B<intensityStyles> for
246details. 252details.
247 253
248=item B<-name> I<name> 254=item B<-name> I<name>
249 255
267 273
268=item B<-sb>|B<+sb> 274=item B<-sb>|B<+sb>
269 275
270Turn on/off scrollbar; resource B<scrollBar>. 276Turn on/off scrollbar; resource B<scrollBar>.
271 277
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
272=item B<-si>|B<+si> 287=item B<-si>|B<+si>
273 288
274Turn on/off scroll-to-bottom on TTY output inhibit; resource 289Turn on/off scroll-to-bottom on TTY output inhibit; resource
275B<scrollTtyOutput> has opposite effect. 290B<scrollTtyOutput> has opposite effect.
276 291
282=item B<-sw>|B<+sw> 297=item B<-sw>|B<+sw>
283 298
284Turn on/off scrolling with the scrollback buffer as new lines appear. 299Turn on/off scrolling with the scrollback buffer as new lines appear.
285This only takes effect if B<-si> is also given; resource 300This only takes effect if B<-si> is also given; resource
286B<scrollWithBuffer>. 301B<scrollWithBuffer>.
287
288=item B<-sr>|B<+sr>
289
290Put scrollbar on right/left; resource B<scrollBar_right>.
291
292=item B<-st>|B<+st>
293
294Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
295resource B<scrollBar_floating>.
296 302
297=item B<-ptab>|B<+ptab> 303=item B<-ptab>|B<+ptab>
298 304
299If enabled (default), "Horizontal Tab" characters are being stored as 305If enabled (default), "Horizontal Tab" characters are being stored as
300actual wide characters in the screen buffer, which makes it possible to 306actual wide characters in the screen buffer, which makes it possible to
347 353
348=item B<-lsp> I<number> 354=item B<-lsp> I<number>
349 355
350Compile I<frills>: Lines (pixel height) to insert between each row of 356Compile I<frills>: Lines (pixel height) to insert between each row of
351the display. Useful to work around font rendering problems; resource 357the display. Useful to work around font rendering problems; resource
352B<linespace>. 358B<lineSpace>.
353 359
354=item B<-tn> I<termname> 360=item B<-tn> I<termname>
355 361
356This 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
357B<TERM> environment variable. This terminal type must exist in the 363B<TERM> environment variable. This terminal type must exist in the
412 418
413=item B<-tcw> 419=item B<-tcw>
414 420
415Change the meaning of triple-click selection with the left mouse 421Change the meaning of triple-click selection with the left mouse
416button. Only effective when the original (non-perl) selection code is 422button. Only effective when the original (non-perl) selection code is
417in-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
418end of the logical line only. resource B<tripleclickwords>. 424the end of the logical line only. resource B<tripleclickwords>.
419 425
420=item B<-insecure> 426=item B<-insecure>
421 427
422Enable "insecure" mode, which currently enables most of the escape 428Enable "insecure" mode, which currently enables most of the escape
423sequences that echo strings. See the resource B<insecure> for more 429sequences that echo strings. See the resource B<insecure> for more
443 449
444Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 450Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
445will not immediately destroy its window when the program executed within 451will not immediately destroy its window when the program executed within
446it exits. Instead, it will wait till it is being killed or closed by the 452it exits. Instead, it will wait till it is being killed or closed by the
447user; 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.
448 467
449=item B<-keysym.>I<sym> I<string> 468=item B<-keysym.>I<sym> I<string>
450 469
451Remap a key symbol. See resource B<keysym>. 470Remap a key symbol. See resource B<keysym>.
452 471
487If 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
488entries 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
489yourself if you want that. 508yourself if you want that.
490 509
491As an extremely special case, specifying C<-1> will completely suppress 510As an extremely special case, specifying C<-1> will completely suppress
492pty/tty operations. 511pty/tty operations, which is probably only useful in conjunction with some
512perl extension that manages the terminal.
493 513
494Here 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
495longer example is in F<doc/pty-fd>): 515longer example is in F<doc/pty-fd>):
496 516
497 use IO::Pty; 517 use IO::Pty;
511Comma-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
512this terminal instance. See resource B<perl-ext> for details. 532this terminal instance. See resource B<perl-ext> for details.
513 533
514=back 534=back
515 535
516=head1 RESOURCES (available also as long-options) 536=head1 RESOURCES
517 537
518Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 538Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
519options) compiled into your version. 539options) compiled into your version. All resources are also available as
540long-options.
520 541
521You 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
522distribution do also load settings from the B<~/.Xresources> file when X 543distribution do also load settings from the B<~/.Xresources> file when X
523starts. @@RXVT_NAME@@ will consult the following files/resources in order, 544starts. @@RXVT_NAME@@ will consult the following files/resources in order,
524with later settings overwriting earlier ones: 545with later settings overwriting earlier ones:
526 1. system-wide app-defaults file, either locale-dependent OR global 547 1. system-wide app-defaults file, either locale-dependent OR global
527 2. app-defaults file in $XAPPLRESDIR 548 2. app-defaults file in $XAPPLRESDIR
528 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 549 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
529 4. SCREEN_RESOURCES for the current screen 550 4. SCREEN_RESOURCES for the current screen
530 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 551 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
552 6. resources specified via -xrm on the commandline
531 553
532Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 554Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
533names: 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
534common 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
535configured, while the class name B<URxvt> allows resources unique to 557configured, while the class name B<URxvt> allows resources unique to
637 659
638B<False>: specify that everything is to be displayed, even 660B<False>: specify that everything is to be displayed, even
639if the refresh is too fast for the human eye to read anything (or the 661if the refresh is too fast for the human eye to read anything (or the
640monitor to display anything); option B<+ss>. 662monitor to display anything); option B<+ss>.
641 663
642=item B<inheritPixmap:> I<boolean> 664=item B<transparent:> I<boolean>
643 665
644B<True>: make the background inherit the parent windows' pixmap, giving 666Turn on/off illusion of a transparent window background.
645artificial transparency. B<False>: do not inherit the parent windows'
646pixmap.
647 667
648I<Please note that transparency of any kind if completely unsupported by 668B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
649the author. Don't bug him with installation questions!> 669future versions.
670
671I<Please address all transparency related issues to Sasha Vasko at
672sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
650 673
651=item B<fading:> I<number> 674=item B<fading:> I<number>
652 675
653Fade 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>.
654 677
671 694
672Specify background blending type; option B<-blt>. 695Specify background blending type; option B<-blt>.
673 696
674=item B<blurRadius:> I<number> 697=item B<blurRadius:> I<number>
675 698
676Apply Gaussian Blurr with the specified radius to the transparent 699Apply Gaussian Blurr with the specified radius to the transparent
677background image; option B<-blr>. 700background image; option B<-blr>.
678 701
679=item B<scrollColor:> I<colour> 702=item B<scrollColor:> I<colour>
680 703
681Use the specified colour for the scrollbar [default #B2B2B2]. 704Use the specified colour for the scrollbar [default #B2B2B2].
688=item B<borderColor:> I<colour> 711=item B<borderColor:> I<colour>
689 712
690The 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
691and the text. 714and the text.
692 715
693=item B<backgroundPixmap:> I<file[;geom]> 716=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
694 717
695Use the specified image file for the background and also optionally 718Use the specified image file for the background and also
696specify its scaling with a geometry string B<WxH+X+Y>, 719optionally specify its scaling with a geometry string B<WxH+X+Y>,
697in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 720(default C<0x0+50+50>) in which B<"W" / "H"> specify the
698and B<"X" / "Y"> locate the image centre (percent). 721horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
699A scale of 0 displays the image with tiling. A scale of 1 displays the 722centre (percent). A scale of 0 displays the image with tiling. A scale
700image without any scaling. A scale of 2 to 9 specifies an integer 723of 1 displays the image without any scaling. A scale of 2 to 9 specifies
701number of images in that direction. No image will be magnified beyond 724an integer number of images in that direction. No image will be magnified
70210 times its original size. The maximum permitted scale is 1000. 725beyond 10 times its original size. The maximum permitted scale is 1000.
703Special string of B<"auto"> used as a geometry will cause image to be 726Additional operations can be specified after colon B<:op1:op2...>.
704automatically scaled to match window size. 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
705If used in conjunction with B<-tr> option - specified pixmap will be 738If used in conjunction with B<-tr> option, the specified pixmap will be
706blended over transparency image using either alpha-blending, or any 739blended over transparency image using either alpha-blending, or any
707other blending type, specified with B<-blt "type"> option. 740other blending type, specified with B<-blt "type"> option.
708[default 0x0+50+50]
709 741
710=item B<path:> I<path> 742=item B<path:> I<path>
711 743
712Specify the colon-delimited search path for finding XPM files. 744Specify the colon-delimited search path for finding background image files.
713 745
714=item B<font:> I<fontlist> 746=item B<font:> I<fontlist>
715 747
716Select 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
717that 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
774text font will being used for the given style. 806text font will being used for the given style.
775 807
776=item B<intensityStyles:> I<boolean> 808=item B<intensityStyles:> I<boolean>
777 809
778When 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>,
779option B<-is>, the default), bold and italic font styles imply high 811option B<-is>, the default), bold/blink font styles imply high
780intensity foreground/background colours. Disabling this option (B<False>, 812intensity foreground/background colours. Disabling this option (B<False>,
781option B<+is>) disables this behaviour, the high intensity colours are not 813option B<+is>) disables this behaviour, the high intensity colours are not
782reachable. 814reachable.
783 815
784=item B<selectstyle:> I<mode>
785
786Set mouse selection style to B<old> which is 2.20, B<oldword> which
787is xterm style with 2.20 old word selection, or anything else which
788gives xterm style selection. Only effective when the original (non-perl)
789selection code is in use.
790
791=item B<scrollstyle:> I<mode>
792
793Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
794the author's favourite.
795
796=item B<title:> I<string> 816=item B<title:> I<string>
797 817
798Set window title string, the default title is the command-line 818Set window title string, the default title is the command-line
799specified after the B<-e> option, if any, otherwise the application 819specified after the B<-e> option, if any, otherwise the application
800name; option B<-title>. 820name; option B<-title>.
844 864
845 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 865 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
846 866
847This 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
848every 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.
849 874
850=item B<scrollBar:> I<boolean> 875=item B<scrollBar:> I<boolean>
851 876
852B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 877B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
853disable the scrollbar; option B<+sb>. 878disable the scrollbar; option B<+sb>.
916=item B<termName:> I<termname> 941=item B<termName:> I<termname>
917 942
918Specifies 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
919variable; option B<-tn>. 944variable; option B<-tn>.
920 945
921=item B<linespace:> I<number> 946=item B<lineSpace:> I<number>
922 947
923Specifies number of lines (pixel height) to insert between each row of 948Specifies number of lines (pixel height) to insert between each row of
924the display [default 0]; option B<-lsp>. 949the display [default 0]; option B<-lsp>.
925 950
926=item B<meta8:> I<boolean> 951=item B<meta8:> I<boolean>
986will 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.
987 1012
988When 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
989be used. If not specified, the built-in default is used: 1014be used. If not specified, the built-in default is used:
990 1015
991B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1016B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
992 1017
993=item B<preeditType:> I<style> 1018=item B<preeditType:> I<style>
994 1019
995B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1020B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
996 1021
1084searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1109searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1085omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1110omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1086keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1111keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1087performed in an exact manner; however, the closest match is assured. 1112performed in an exact manner; however, the closest match is assured.
1088 1113
1089I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1114I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1090C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1115number), see RESOURCES in C<man 7 X> for futher details.
1091C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1092C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1093can start or end with whitespace. B<This feature is deprecated and will
1094be removed>.
1095
1096Please note that you need to double the C<\> in resource files, as
1097Xlib itself does its own de-escaping (you can use C<\033> instead of
1098C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1099processing).
1100 1116
1101You 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>
1102with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1118with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1103should be a character not used by the strings. 1119should be a character not used by the strings.
1104 1120
1437would 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
1438on White. 1454on White.
1439 1455
1440=back 1456=back
1441 1457
1442=head2 ALPHA CHANNEL SUPPORT 1458=head2 ALPHA CHANNEL SUPPORT / TRANSPARENT COLOURS
1443 1459
1444If 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
1445their 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:
1446(recommended, but B<MUST> have 4 digits/component) colour specifications, 1462
1447in 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
1448specifies opacity (alpha) values. The minimum value of C<0> is completely 1474(alpha) values. The minimum value of C<0000> is completely transparent,
1449transparent). You can also prefix any color with C<[percent]>, where 1475while C<ffff> is completely opaque). The two example colours from
1450C<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
1451the color, where C<0> is completely transparent and C<100> is completelxy 1477C<rgba:0000/ff00/0000/f332>.
1452opaque.
1453 1478
1454You 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
1455your 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
1456ARGB 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.
1457 1483
1458For example, the following selects an almost completely transparent red 1484For example, the following selects an almost completely transparent black
1459background, and an almost opaque pink foreground: 1485background, and an almost opaque pink foreground:
1460 1486
1461 @@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"
1462 1488
1463I<Please note that transparency of any kind if completely unsupported by 1489When not using a background image, then the interpretation of the
1464the 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.
1465 1503
1466=head1 ENVIRONMENT 1504=head1 ENVIRONMENT
1467 1505
1468B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1506B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1469 1507
1475resources or on the command line. 1513resources or on the command line.
1476 1514
1477=item B<COLORTERM> 1515=item B<COLORTERM>
1478 1516
1479Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1517Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1480compiled with XPM support, and optionally with the added extension 1518compiled with background image support, and optionally with the added
1481C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1519extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1520screen.
1482 1521
1483=item B<COLORFGBG> 1522=item B<COLORFGBG>
1484 1523
1485Set 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
1486the colour code used as default foreground/text colour (or the string 1525the colour code used as default foreground/text colour (or the string
1487C<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
1488used), 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
1489string 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@@
1490was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1529was compiled with background image support. Libraries like C<ncurses>
1491(and do) use this information to optimize screen output. 1530and C<slang> can (and do) use this information to optimize screen output.
1492 1531
1493=item B<WINDOWID> 1532=item B<WINDOWID>
1494 1533
1495Set 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
1496window, which usually has subwindows for the scrollbar, the terminal 1535window, which usually has subwindows for the scrollbar, the terminal
1587Project Coordinator (changes.txt 2.21a to 2.4.5) 1626Project Coordinator (changes.txt 2.21a to 2.4.5)
1588 1627
1589=item Geoff Wing L<< <gcw@pobox.com> >> 1628=item Geoff Wing L<< <gcw@pobox.com> >>
1590 1629
1591Rewrote screen display and text selection routines. 1630Rewrote screen display and text selection routines.
1592 1631
1593Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1632Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1594 1633
1595=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1634=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1596 1635
1597Forked 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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