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Revision 1.133 by ayin, Sat Jul 28 20:15:18 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; 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
145I<tintColor>. Example: 153I<tintColor>. Example:
146 154
147 @@RXVT_NAME@@ -tr -tint blue -sh 40 155 @@RXVT_NAME@@ -tr -tint blue -sh 40
148 156
149=item B<-sh> I<number> 157=item B<-sh> I<number>
150 158
151Darken (0 .. 100) or lighten (-1 .. -100) the transparent 159Darken (0 .. 100) or lighten (100 .. 200) the transparent
152background image in addition to (or instead of) tinting it; 160background image in addition to (or instead of) tinting it;
153resource I<shading>. 161resource I<shading>.
154 162
155=item B<-blt> I<string> 163=item B<-blt> I<string>
156 164
157Specify background blending type. If background pixmap is specified 165Specify background blending type. If background pixmap is specified
158at the same time as transparency - such pixmap will be blended over 166at the same time as transparency - such pixmap will be blended over
159transparency image, using method specified. Supported values are : 167transparency image, using method specified. Supported values are :
160B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 168B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 169B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
162B<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
163alpha-blending; resource I<blendType>. 171alpha-blending. Compile I<afterimage>; resource I<blendType>.
164 172
165=item B<-blr> I<number> 173=item B<-blr> I<HxV>
166 174
167Apply Gaussian Blur with the specified radius to the transparent 175Apply Gaussian Blur with the specified radii to the transparent
168background image; resource I<blurRadius>. 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>.
169 181
170=item B<-bg> I<colour> 182=item B<-bg> I<colour>
171 183
172Window background colour; resource B<background>. 184Window background colour; resource B<background>.
173 185
174=item B<-fg> I<colour> 186=item B<-fg> I<colour>
175 187
176Window foreground colour; resource B<foreground>. 188Window foreground colour; resource B<foreground>.
177 189
178=item B<-pixmap> I<file[;geom]> 190=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
179 191
180Compile I<afterimage>: Specify image file for the background and also 192Compile I<afterimage>: Specify image file for the background and also
181optionally 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
182add quotes to avoid special shell interpretation of the C<;> in the 194add quotes to avoid special shell interpretation of the C<;> in the
183command-line; for more details see resource B<backgroundPixmap>. 195command-line; for more details see resource B<backgroundPixmap>.
184 196
185=item B<-cr> I<colour> 197=item B<-cr> I<colour>
233italic> >> characters are to be printed. See resource B<boldItalicFont> 245italic> >> characters are to be printed. See resource B<boldItalicFont>
234for details. 246for details.
235 247
236=item B<-is>|B<+is> 248=item B<-is>|B<+is>
237 249
238Compile I<font-styles>: Bold/Italic font styles imply high intensity 250Compile I<font-styles>: Bold/Blink font styles imply high intensity
239foreground/background (default). See resource B<intensityStyles> for 251foreground/background (default). See resource B<intensityStyles> for
240details. 252details.
241 253
242=item B<-name> I<name> 254=item B<-name> I<name>
243 255
261 273
262=item B<-sb>|B<+sb> 274=item B<-sb>|B<+sb>
263 275
264Turn on/off scrollbar; resource B<scrollBar>. 276Turn on/off scrollbar; resource B<scrollBar>.
265 277
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
266=item B<-si>|B<+si> 287=item B<-si>|B<+si>
267 288
268Turn on/off scroll-to-bottom on TTY output inhibit; resource 289Turn on/off scroll-to-bottom on TTY output inhibit; resource
269B<scrollTtyOutput> has opposite effect. 290B<scrollTtyOutput> has opposite effect.
270 291
276=item B<-sw>|B<+sw> 297=item B<-sw>|B<+sw>
277 298
278Turn on/off scrolling with the scrollback buffer as new lines appear. 299Turn on/off scrolling with the scrollback buffer as new lines appear.
279This only takes effect if B<-si> is also given; resource 300This only takes effect if B<-si> is also given; resource
280B<scrollWithBuffer>. 301B<scrollWithBuffer>.
281
282=item B<-sr>|B<+sr>
283
284Put scrollbar on right/left; resource B<scrollBar_right>.
285
286=item B<-st>|B<+st>
287
288Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
289resource B<scrollBar_floating>.
290 302
291=item B<-ptab>|B<+ptab> 303=item B<-ptab>|B<+ptab>
292 304
293If enabled (default), "Horizontal Tab" characters are being stored as 305If enabled (default), "Horizontal Tab" characters are being stored as
294actual wide characters in the screen buffer, which makes it possible to 306actual wide characters in the screen buffer, which makes it possible to
341 353
342=item B<-lsp> I<number> 354=item B<-lsp> I<number>
343 355
344Compile I<frills>: Lines (pixel height) to insert between each row of 356Compile I<frills>: Lines (pixel height) to insert between each row of
345the display. Useful to work around font rendering problems; resource 357the display. Useful to work around font rendering problems; resource
346B<linespace>. 358B<lineSpace>.
347 359
348=item B<-tn> I<termname> 360=item B<-tn> I<termname>
349 361
350This 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
351B<TERM> environment variable. This terminal type must exist in the 363B<TERM> environment variable. This terminal type must exist in the
406 418
407=item B<-tcw> 419=item B<-tcw>
408 420
409Change the meaning of triple-click selection with the left mouse 421Change the meaning of triple-click selection with the left mouse
410button. Only effective when the original (non-perl) selection code is 422button. Only effective when the original (non-perl) selection code is
411in-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
412end of the logical line only. resource B<tripleclickwords>. 424the end of the logical line only. resource B<tripleclickwords>.
413 425
414=item B<-insecure> 426=item B<-insecure>
415 427
416Enable "insecure" mode, which currently enables most of the escape 428Enable "insecure" mode, which currently enables most of the escape
417sequences that echo strings. See the resource B<insecure> for more 429sequences that echo strings. See the resource B<insecure> for more
437 449
438Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 450Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
439will not immediately destroy its window when the program executed within 451will not immediately destroy its window when the program executed within
440it 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
441user; 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.
442 467
443=item B<-keysym.>I<sym> I<string> 468=item B<-keysym.>I<sym> I<string>
444 469
445Remap a key symbol. See resource B<keysym>. 470Remap a key symbol. See resource B<keysym>.
446 471
481If 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
482entries 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
483yourself if you want that. 508yourself if you want that.
484 509
485As an extremely special case, specifying C<-1> will completely suppress 510As an extremely special case, specifying C<-1> will completely suppress
486pty/tty operations. 511pty/tty operations, which is probably only useful in conjunction with some
512perl extension that manages the terminal.
487 513
488Here 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
489longer example is in F<doc/pty-fd>): 515longer example is in F<doc/pty-fd>):
490 516
491 use IO::Pty; 517 use IO::Pty;
505Comma-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
506this terminal instance. See resource B<perl-ext> for details. 532this terminal instance. See resource B<perl-ext> for details.
507 533
508=back 534=back
509 535
510=head1 RESOURCES (available also as long-options) 536=head1 RESOURCES
511 537
512Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 538Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
513options) compiled into your version. 539options) compiled into your version. All resources are also available as
540long-options.
514 541
515You 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
516distribution do also load settings from the B<~/.Xresources> file when X 543distribution do also load settings from the B<~/.Xresources> file when X
517starts. @@RXVT_NAME@@ will consult the following files/resources in order, 544starts. @@RXVT_NAME@@ will consult the following files/resources in order,
518with later settings overwriting earlier ones: 545with later settings overwriting earlier ones:
520 1. system-wide app-defaults file, either locale-dependent OR global 547 1. system-wide app-defaults file, either locale-dependent OR global
521 2. app-defaults file in $XAPPLRESDIR 548 2. app-defaults file in $XAPPLRESDIR
522 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 549 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
523 4. SCREEN_RESOURCES for the current screen 550 4. SCREEN_RESOURCES for the current screen
524 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 551 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
552 6. resources specified via -xrm on the commandline
525 553
526Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 554Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
527names: 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
528common 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
529configured, while the class name B<URxvt> allows resources unique to 557configured, while the class name B<URxvt> allows resources unique to
631 659
632B<False>: specify that everything is to be displayed, even 660B<False>: specify that everything is to be displayed, even
633if 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
634monitor to display anything); option B<+ss>. 662monitor to display anything); option B<+ss>.
635 663
636=item B<inheritPixmap:> I<boolean> 664=item B<transparent:> I<boolean>
637 665
638B<True>: make the background inherit the parent windows' pixmap, giving 666Turn on/off illusion of a transparent window background.
639artificial transparency. B<False>: do not inherit the parent windows'
640pixmap.
641 667
642I<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
643the 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@@)!>
644 673
645=item B<fading:> I<number> 674=item B<fading:> I<number>
646 675
647Fade 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>.
648 677
665 694
666Specify background blending type; option B<-blt>. 695Specify background blending type; option B<-blt>.
667 696
668=item B<blurRadius:> I<number> 697=item B<blurRadius:> I<number>
669 698
670Apply Gaussian Blurr with the specified radius to the transparent 699Apply Gaussian Blurr with the specified radius to the transparent
671background image; option B<-blr>. 700background image; option B<-blr>.
672 701
673=item B<scrollColor:> I<colour> 702=item B<scrollColor:> I<colour>
674 703
675Use the specified colour for the scrollbar [default #B2B2B2]. 704Use the specified colour for the scrollbar [default #B2B2B2].
682=item B<borderColor:> I<colour> 711=item B<borderColor:> I<colour>
683 712
684The 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
685and the text. 714and the text.
686 715
687=item B<backgroundPixmap:> I<file[;geom]> 716=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
688 717
689Use the specified image file for the background and also optionally 718Use the specified image file for the background and also
690specify its scaling with a geometry string B<WxH+X+Y>, 719optionally specify its scaling with a geometry string B<WxH+X+Y>,
691in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 720(default C<0x0+50+50>) in which B<"W" / "H"> specify the
692and B<"X" / "Y"> locate the image centre (percent). 721horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
693A 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
694image 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
695number of images in that direction. No image will be magnified beyond 724an integer number of images in that direction. No image will be magnified
69610 times its original size. The maximum permitted scale is 1000. 725beyond 10 times its original size. The maximum permitted scale is 1000.
697Special string of B<"auto"> used as a geometry will cause image to be 726Additional operations can be specified after colon B<:op1:op2...>.
698automatically 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
699If used in conjunction with B<-tr> option - specified pixmap will be 738If used in conjunction with B<-tr> option, the specified pixmap will be
700blended over transparency image using either alpha-blending, or any 739blended over transparency image using either alpha-blending, or any
701other blending type, specified with B<-blt "type"> option. 740other blending type, specified with B<-blt "type"> option.
702[default 0x0+50+50]
703 741
704=item B<path:> I<path> 742=item B<path:> I<path>
705 743
706Specify the colon-delimited search path for finding XPM files. 744Specify the colon-delimited search path for finding background image files.
707 745
708=item B<font:> I<fontlist> 746=item B<font:> I<fontlist>
709 747
710Select 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
711that 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
768text font will being used for the given style. 806text font will being used for the given style.
769 807
770=item B<intensityStyles:> I<boolean> 808=item B<intensityStyles:> I<boolean>
771 809
772When 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>,
773option B<-is>, the default), bold and italic font styles imply high 811option B<-is>, the default), bold/blink font styles imply high
774intensity foreground/background colours. Disabling this option (B<False>, 812intensity foreground/background colours. Disabling this option (B<False>,
775option B<+is>) disables this behaviour, the high intensity colours are not 813option B<+is>) disables this behaviour, the high intensity colours are not
776reachable. 814reachable.
777 815
778=item B<selectstyle:> I<mode>
779
780Set mouse selection style to B<old> which is 2.20, B<oldword> which
781is xterm style with 2.20 old word selection, or anything else which
782gives xterm style selection. Only effective when the original (non-perl)
783selection code is in use.
784
785=item B<scrollstyle:> I<mode>
786
787Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
788the author's favourite.
789
790=item B<title:> I<string> 816=item B<title:> I<string>
791 817
792Set window title string, the default title is the command-line 818Set window title string, the default title is the command-line
793specified after the B<-e> option, if any, otherwise the application 819specified after the B<-e> option, if any, otherwise the application
794name; option B<-title>. 820name; option B<-title>.
838 864
839 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 865 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
840 866
841This 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
842every 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.
843 874
844=item B<scrollBar:> I<boolean> 875=item B<scrollBar:> I<boolean>
845 876
846B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 877B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
847disable the scrollbar; option B<+sb>. 878disable the scrollbar; option B<+sb>.
910=item B<termName:> I<termname> 941=item B<termName:> I<termname>
911 942
912Specifies 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
913variable; option B<-tn>. 944variable; option B<-tn>.
914 945
915=item B<linespace:> I<number> 946=item B<lineSpace:> I<number>
916 947
917Specifies number of lines (pixel height) to insert between each row of 948Specifies number of lines (pixel height) to insert between each row of
918the display [default 0]; option B<-lsp>. 949the display [default 0]; option B<-lsp>.
919 950
920=item B<meta8:> I<boolean> 951=item B<meta8:> I<boolean>
980will 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.
981 1012
982When 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
983be used. If not specified, the built-in default is used: 1014be used. If not specified, the built-in default is used:
984 1015
985B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1016B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
986 1017
987=item B<preeditType:> I<style> 1018=item B<preeditType:> I<style>
988 1019
989B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1020B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
990 1021
1078searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1109searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1079omitting 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
1080keysym 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
1081performed in an exact manner; however, the closest match is assured. 1112performed in an exact manner; however, the closest match is assured.
1082 1113
1083I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1114I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1084C<\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.
1085C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1086C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1087can start or end with whitespace. B<This feature is deprecated and will
1088be removed>.
1089
1090Please note that you need to double the C<\> in resource files, as
1091Xlib itself does its own de-escaping (you can use C<\033> instead of
1092C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1093processing).
1094 1116
1095You 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>
1096with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1118with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1097should be a character not used by the strings. 1119should be a character not used by the strings.
1098 1120
1431would 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
1432on White. 1454on White.
1433 1455
1434=back 1456=back
1435 1457
1436=head2 ALPHA CHANNEL SUPPORT 1458=head2 ALPHA CHANNEL SUPPORT / TRANSPARENT COLOURS
1437 1459
1438If 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
1439their 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:
1440(recommended, but B<MUST> have 4 digits/component) colour specifications, 1462
1441in 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
1442specifies opacity (alpha) values. The minimum value of C<0> is completely 1474(alpha) values. The minimum value of C<0000> is completely transparent,
1443transparent). You can also prefix any color with C<[percent]>, where 1475while C<ffff> is completely opaque). The two example colours from
1444C<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
1445the color, where C<0> is completely transparent and C<100> is completelxy 1477C<rgba:0000/ff00/0000/f332>.
1446opaque.
1447 1478
1448You 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
1449your 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
1450ARGB 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.
1451 1483
1452For example, the following selects an almost completely transparent red 1484For example, the following selects an almost completely transparent black
1453background, and an almost opaque pink foreground: 1485background, and an almost opaque pink foreground:
1454 1486
1455 @@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"
1456 1488
1457I<Please note that transparency of any kind if completely unsupported by 1489When not using a background image, then the interpretation of the
1458the 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.
1459 1503
1460=head1 ENVIRONMENT 1504=head1 ENVIRONMENT
1461 1505
1462B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1506B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1463 1507
1469resources or on the command line. 1513resources or on the command line.
1470 1514
1471=item B<COLORTERM> 1515=item B<COLORTERM>
1472 1516
1473Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1517Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1474compiled with XPM support, and optionally with the added extension 1518compiled with background image support, and optionally with the added
1475C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1519extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1520screen.
1476 1521
1477=item B<COLORFGBG> 1522=item B<COLORFGBG>
1478 1523
1479Set 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
1480the colour code used as default foreground/text colour (or the string 1525the colour code used as default foreground/text colour (or the string
1481C<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
1482used), 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
1483string 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@@
1484was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1529was compiled with background image support. Libraries like C<ncurses>
1485(and do) use this information to optimize screen output. 1530and C<slang> can (and do) use this information to optimize screen output.
1486 1531
1487=item B<WINDOWID> 1532=item B<WINDOWID>
1488 1533
1489Set 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
1490window, which usually has subwindows for the scrollbar, the terminal 1535window, which usually has subwindows for the scrollbar, the terminal
1581Project Coordinator (changes.txt 2.21a to 2.4.5) 1626Project Coordinator (changes.txt 2.21a to 2.4.5)
1582 1627
1583=item Geoff Wing L<< <gcw@pobox.com> >> 1628=item Geoff Wing L<< <gcw@pobox.com> >>
1584 1629
1585Rewrote screen display and text selection routines. 1630Rewrote screen display and text selection routines.
1586 1631
1587Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1632Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1588 1633
1589=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1634=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1590 1635
1591Forked 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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