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Revision 1.138 by sasha, Thu Sep 20 15:56:41 2007 UTC vs.
Revision 1.164 by root, Sun Jun 15 13:54:15 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
30like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devanagari. Don't expect pretty output when using these 34like tibetan or devanagari. Don't expect pretty output when using these
32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 35scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
33fine, though. A somewhat difficult case are right-to-left scripts, such 36fine, though. A somewhat difficult case are right-to-left scripts, such
34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 37as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
35belong into the application, not the terminal emulator (too many things -- 38belong in the application, not the terminal emulator (too many things --
36such as cursor-movement while editing -- break otherwise), but that might 39such as cursor-movement while editing -- break otherwise), but that might
37change. 40change.
38 41
39If you are looking for a terminal that supports more exotic scripts, let 42If you are looking for a terminal that supports more exotic scripts, let
40me recommend C<mlterm>, which is a very user friendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
89 92
90Print out a message describing available options. 93Print out a message describing available options.
91 94
92=item B<-display> I<displayname> 95=item B<-display> I<displayname>
93 96
94Attempt to open a window on the named X display (B<-d> still 97Attempt to open a window on the named X display (the older form B<-d>
95respected). In the absence of this option, the display specified by the 98is still respected. but deprecated). In the absence of this option, the
96B<DISPLAY> environment variable is used. 99display specified by the B<DISPLAY> environment variable is used.
97 100
98=item B<-depth> I<bitdepth> 101=item B<-depth> I<bitdepth>
99 102
100Compile I<xft>: Attempt to find a visual with the given bit depth; 103Compile I<xft>: Attempt to find a visual with the given bit depth;
101resource B<depth>. 104resource B<depth>.
102 105
106[Please note that many X servers (and libXft) are buggy with
107respect to C<-depth 32> and/or alpha channels, and will cause all sorts
108of graphical corruption. This is harmless, but we can't do anything about
109this, so watch out]
110
103=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
104 112
105Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
106 114
107=item B<-rv>|B<+rv> 115=item B<-rv>|B<+rv>
114 122
115=item B<-ss>|B<+ss> 123=item B<-ss>|B<+ss>
116 124
117Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>. 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118 126
119=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 127=item B<-tr>|B<+tr>
120 128
121Turn on/off inheriting parent window's pixmap. Alternative form is 129Turn on/off illusion of a transparent window background; resource B<transparent>.
122B<-tr>; resource B<inheritPixmap>.
123 130
131B<-ip> is still accepted as an obsolete alias but will be removed in
132future versions.
133
124I<Please address all transparency related issues to Sasha Vasko at 134I<Please address all transparency related issues to Sasha Vasko at
125sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!> 135sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
126 136
127=item B<-fade> I<number> 137=item B<-fade> I<number>
128 138
129Fade the text by the given percentage when focus is lost. Small values 139Fade the text by the given percentage when focus is lost. Small values
136is opaque black. resource B<fadeColor>. 146is opaque black. resource B<fadeColor>.
137 147
138=item B<-tint> I<colour> 148=item B<-tint> I<colour>
139 149
140Tint the transparent background pixmap with the given colour when 150Tint the transparent background pixmap with the given colour when
141transparency is enabled with B<-tr> or B<-ip>. This only works for 151transparency is enabled with B<-tr>. This only works for
142non-tiled backgrounds, currently. See also the B<-sh> option that can be 152non-tiled backgrounds, currently. See also the B<-sh> option that can be
143used to brighten or darken the image in addition to tinting it. 153used to brighten or darken the image in addition to tinting it.
144Please note that certain tint colours can be applied on the server-side, 154Please note that certain tint colours can be applied on the server-side,
145thus yielding performance gain of two orders of magnitude. These colours are: 155thus yielding performance gain of two orders of magnitude. These colours are:
146blue, red, green, cyan, magenta, yellow, and those close to them; resource 156blue, red, green, cyan, magenta, yellow, and those close to them. Also
157pure black and pure white colors essentially mean no tinting; resource
147I<tintColor>. Example: 158I<tintColor>. Example:
148 159
149 @@RXVT_NAME@@ -tr -tint blue -sh 40 160 @@RXVT_NAME@@ -tr -tint blue -sh 40
150 161
151=item B<-sh> I<number> 162=item B<-sh> I<number>
152 163
153Darken (0 .. 100) or lighten (-1 .. -100) the transparent 164Darken (0 .. 100) or lighten (100 .. 200) the transparent
154background image in addition to (or instead of) tinting it; 165background image in addition to (or instead of) tinting it;
155resource I<shading>. 166resource I<shading>.
156 167
157=item B<-blt> I<string> 168=item B<-blt> I<string>
158 169
160at the same time as transparency - such pixmap will be blended over 171at the same time as transparency - such pixmap will be blended over
161transparency image, using method specified. Supported values are : 172transparency image, using method specified. Supported values are :
162B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 173B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
163B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 174B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
164B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is 175B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
165alpha-blending; resource I<blendType>. 176alpha-blending. Compile I<afterimage>; resource I<blendType>.
166 177
167=item B<-blr> I<HxV> 178=item B<-blr> I<HxV>
168 179
169Apply Gaussian Blur with the specified radii to the transparent 180Apply Gaussian Blur with the specified radii to the transparent
170background image. If single number is specified - both vertical and 181background image. If single number is specified - both vertical and
171horizontal radii are considered to be the same. Setting one of the 182horizontal radii are considered to be the same. Setting one of the
172radii to 1 and another to a large number creates interesting effects 183radii to 1 and another to a large number creates interesting effects
173on some backgrounds. Maximum radius value is 128; resource I<blurRadius>. 184on some backgrounds. Maximum radius value is 128. Compile I<afterimage>;
185resource I<blurRadius>.
174 186
175=item B<-bg> I<colour> 187=item B<-bg> I<colour>
176 188
177Window background colour; resource B<background>. 189Window background colour; resource B<background>.
178 190
179=item B<-fg> I<colour> 191=item B<-fg> I<colour>
180 192
181Window foreground colour; resource B<foreground>. 193Window foreground colour; resource B<foreground>.
182 194
183=item B<-pixmap> I<file[;geom]> 195=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
184 196
185Compile I<afterimage>: Specify image file for the background and also 197Compile I<afterimage>: Specify image file for the background and also
186optionally specify its scaling with a geometry string. Note you may need to 198optionally specify its scaling with a geometry string. Note you may need to
187add quotes to avoid special shell interpretation of the C<;> in the 199add quotes to avoid special shell interpretation of the C<;> in the
188command-line; for more details see resource B<backgroundPixmap>. 200command-line; for more details see resource B<backgroundPixmap>.
189 201
190=item B<-cr> I<colour> 202=item B<-cr> I<colour>
238italic> >> characters are to be printed. See resource B<boldItalicFont> 250italic> >> characters are to be printed. See resource B<boldItalicFont>
239for details. 251for details.
240 252
241=item B<-is>|B<+is> 253=item B<-is>|B<+is>
242 254
243Compile I<font-styles>: Bold/Italic font styles imply high intensity 255Compile I<font-styles>: Bold/Blink font styles imply high intensity
244foreground/background (default). See resource B<intensityStyles> for 256foreground/background (default). See resource B<intensityStyles> for
245details. 257details.
246 258
247=item B<-name> I<name> 259=item B<-name> I<name>
248 260
266 278
267=item B<-sb>|B<+sb> 279=item B<-sb>|B<+sb>
268 280
269Turn on/off scrollbar; resource B<scrollBar>. 281Turn on/off scrollbar; resource B<scrollBar>.
270 282
283=item B<-sr>|B<+sr>
284
285Put scrollbar on right/left; resource B<scrollBar_right>.
286
287=item B<-st>|B<+st>
288
289Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
290resource B<scrollBar_floating>.
291
271=item B<-si>|B<+si> 292=item B<-si>|B<+si>
272 293
273Turn on/off scroll-to-bottom on TTY output inhibit; resource 294Turn on/off scroll-to-bottom on TTY output inhibit; resource
274B<scrollTtyOutput> has opposite effect. 295B<scrollTtyOutput> has opposite effect.
275 296
281=item B<-sw>|B<+sw> 302=item B<-sw>|B<+sw>
282 303
283Turn on/off scrolling with the scrollback buffer as new lines appear. 304Turn on/off scrolling with the scrollback buffer as new lines appear.
284This only takes effect if B<-si> is also given; resource 305This only takes effect if B<-si> is also given; resource
285B<scrollWithBuffer>. 306B<scrollWithBuffer>.
286
287=item B<-sr>|B<+sr>
288
289Put scrollbar on right/left; resource B<scrollBar_right>.
290
291=item B<-st>|B<+st>
292
293Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
294resource B<scrollBar_floating>.
295 307
296=item B<-ptab>|B<+ptab> 308=item B<-ptab>|B<+ptab>
297 309
298If enabled (default), "Horizontal Tab" characters are being stored as 310If enabled (default), "Horizontal Tab" characters are being stored as
299actual wide characters in the screen buffer, which makes it possible to 311actual wide characters in the screen buffer, which makes it possible to
411 423
412=item B<-tcw> 424=item B<-tcw>
413 425
414Change the meaning of triple-click selection with the left mouse 426Change the meaning of triple-click selection with the left mouse
415button. Only effective when the original (non-perl) selection code is 427button. Only effective when the original (non-perl) selection code is
416in-use. Instead of selecting a full line it will extend the selection the 428in-use. Instead of selecting a full line it will extend the selection to
417end of the logical line only. resource B<tripleclickwords>. 429the end of the logical line only. resource B<tripleclickwords>.
418 430
419=item B<-insecure> 431=item B<-insecure>
420 432
421Enable "insecure" mode, which currently enables most of the escape 433Enable "insecure" mode, which currently enables most of the escape
422sequences that echo strings. See the resource B<insecure> for more 434sequences that echo strings. See the resource B<insecure> for more
442 454
443Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 455Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
444will not immediately destroy its window when the program executed within 456will not immediately destroy its window when the program executed within
445it exits. Instead, it will wait till it is being killed or closed by the 457it exits. Instead, it will wait till it is being killed or closed by the
446user; resource B<hold>. 458user; resource B<hold>.
459
460=item B<-cd> I<path>
461
462Sets the working directory for the shell (or the command specified via
463B<-e>). The I<path> must be an absolute path and it must exist for
464@@RXVT_NAME@@ to start; resource B<chdir>.
465
466=item B<-xrm> I<string>
467
468Works like the X Toolkit option of the same name, by adding the I<string>
469as if it were specified in a resource file. Resource values specified this
470way take precedence over all other resource specifications.
471
472Note that you need to use the I<same> syntax as in the .Xdefaults file,
473e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
474options can be specified as long-options on the commandline, so use
475of B<-xrm> is mostly limited to cases where you want to specify other
476resources (e.g. for input methods) or for compatibility with other
477programs.
447 478
448=item B<-keysym.>I<sym> I<string> 479=item B<-keysym.>I<sym> I<string>
449 480
450Remap a key symbol. See resource B<keysym>. 481Remap a key symbol. See resource B<keysym>.
451 482
486If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 517If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
487entries and will not tinker with pty/tty permissions - you have to do that 518entries and will not tinker with pty/tty permissions - you have to do that
488yourself if you want that. 519yourself if you want that.
489 520
490As an extremely special case, specifying C<-1> will completely suppress 521As an extremely special case, specifying C<-1> will completely suppress
491pty/tty operations. 522pty/tty operations, which is probably only useful in conjunction with some
523perl extension that manages the terminal.
492 524
493Here is a example in perl that illustrates how this option can be used (a 525Here is a example in perl that illustrates how this option can be used (a
494longer example is in F<doc/pty-fd>): 526longer example is in F<doc/pty-fd>):
495 527
496 use IO::Pty; 528 use IO::Pty;
510Comma-separated list of perl extension scripts to use (or not to use) in 542Comma-separated list of perl extension scripts to use (or not to use) in
511this terminal instance. See resource B<perl-ext> for details. 543this terminal instance. See resource B<perl-ext> for details.
512 544
513=back 545=back
514 546
515=head1 RESOURCES (available also as long-options) 547=head1 RESOURCES
516 548
517Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 549Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
518options) compiled into your version. 550options) compiled into your version. All resources are also available as
551long-options.
519 552
520You can set and change the resources using X11 tools like B<xrdb>. Many 553You can set and change the resources using X11 tools like B<xrdb>. Many
521distribution do also load settings from the B<~/.Xresources> file when X 554distribution do also load settings from the B<~/.Xresources> file when X
522starts. @@RXVT_NAME@@ will consult the following files/resources in order, 555starts. @@RXVT_NAME@@ will consult the following files/resources in order,
523with later settings overwriting earlier ones: 556with later settings overwriting earlier ones:
525 1. system-wide app-defaults file, either locale-dependent OR global 558 1. system-wide app-defaults file, either locale-dependent OR global
526 2. app-defaults file in $XAPPLRESDIR 559 2. app-defaults file in $XAPPLRESDIR
527 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 560 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
528 4. SCREEN_RESOURCES for the current screen 561 4. SCREEN_RESOURCES for the current screen
529 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 562 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
563 6. resources specified via -xrm on the commandline
530 564
531Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 565Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
532names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 566names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
533common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 567common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
534configured, while the class name B<URxvt> allows resources unique to 568configured, while the class name B<URxvt> allows resources unique to
544=item B<depth:> I<bitdepth> 578=item B<depth:> I<bitdepth>
545 579
546Compile I<xft>: Attempt to find a visual with the given bit depth; 580Compile I<xft>: Attempt to find a visual with the given bit depth;
547option B<-depth>. 581option B<-depth>.
548 582
583=item B<buffered:> I<boolean>
584
585Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
586On some card/driver combination enabling it slightly decreases
587performance, on most it greatly helps it. The slowdown is small, so it
588should normally be enabled.
589
549=item B<geometry:> I<geom> 590=item B<geometry:> I<geom>
550 591
551Create the window with the specified X window geometry [default 80x24]; 592Create the window with the specified X window geometry [default 80x24];
552option B<-geometry>. 593option B<-geometry>.
553 594
636 677
637B<False>: specify that everything is to be displayed, even 678B<False>: specify that everything is to be displayed, even
638if the refresh is too fast for the human eye to read anything (or the 679if the refresh is too fast for the human eye to read anything (or the
639monitor to display anything); option B<+ss>. 680monitor to display anything); option B<+ss>.
640 681
641=item B<inheritPixmap:> I<boolean> 682=item B<transparent:> I<boolean>
642 683
643B<True>: make the background inherit the parent windows' pixmap, giving 684Turn on/off illusion of a transparent window background.
644artificial transparency. B<False>: do not inherit the parent windows'
645pixmap.
646 685
647I<Please note that transparency of any kind if completely unsupported by 686B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
648the author. Don't bug him with installation questions!> 687future versions.
688
689I<Please address all transparency related issues to Sasha Vasko at
690sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
649 691
650=item B<fading:> I<number> 692=item B<fading:> I<number>
651 693
652Fade the text by the given percentage when focus is lost; option B<-fade>. 694Fade the text by the given percentage when focus is lost; option B<-fade>.
653 695
670 712
671Specify background blending type; option B<-blt>. 713Specify background blending type; option B<-blt>.
672 714
673=item B<blurRadius:> I<number> 715=item B<blurRadius:> I<number>
674 716
675Apply Gaussian Blurr with the specified radius to the transparent 717Apply Gaussian Blurr with the specified radius to the transparent
676background image; option B<-blr>. 718background image; option B<-blr>.
677 719
678=item B<scrollColor:> I<colour> 720=item B<scrollColor:> I<colour>
679 721
680Use the specified colour for the scrollbar [default #B2B2B2]. 722Use the specified colour for the scrollbar [default #B2B2B2].
687=item B<borderColor:> I<colour> 729=item B<borderColor:> I<colour>
688 730
689The colour of the border around the text area and between the scrollbar 731The colour of the border around the text area and between the scrollbar
690and the text. 732and the text.
691 733
692=item B<backgroundPixmap:> I<file[;geom]> 734=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
693 735
694Use the specified image file for the background and also optionally 736Use the specified image file for the background and also
695specify its scaling with a geometry string B<WxH+X+Y>, 737optionally specify its scaling with a geometry string B<WxH+X+Y>,
696in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 738(default C<0x0+50+50>) in which B<"W" / "H"> specify the
697and B<"X" / "Y"> locate the image centre (percent). 739horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
698A scale of 0 displays the image with tiling. A scale of 1 displays the 740centre (percent). A scale of 0 displays the image with tiling. A scale
699image without any scaling. A scale of 2 to 9 specifies an integer 741of 1 displays the image without any scaling. A scale of 2 to 9 specifies
700number of images in that direction. No image will be magnified beyond 742an integer number of images in that direction. No image will be magnified
70110 times its original size. The maximum permitted scale is 1000. 743beyond 10 times its original size. The maximum permitted scale is 1000.
702Special string of B<"auto"> used as a geometry will cause image to be 744Additional operations can be specified after colon B<:op1:op2...>.
703automatically scaled to match window size. 745Supported operations are:
746
747 tile force background image to be tiled and not scaled. Equivalent to 0x0
748 propscale will scale image keeping proportions
749 auto will scale image to match window size. Equivalent to 100x100
750 hscale will scale image horizontally to the window size
751 vscale will scale image vertically to the window size
752 scale will scale image to match window size
753 root will tile image as if it was a root window background, auto-adjusting
754 whenever terminal window moves
755
704If used in conjunction with B<-tr> option - specified pixmap will be 756If used in conjunction with B<-tr> option, the specified pixmap will be
705blended over transparency image using either alpha-blending, or any 757blended over transparency image using either alpha-blending, or any
706other blending type, specified with B<-blt "type"> option. 758other blending type, specified with B<-blt "type"> option.
707[default 0x0+50+50]
708 759
709=item B<path:> I<path> 760=item B<path:> I<path>
710 761
711Specify the colon-delimited search path for finding background image files. 762Specify the colon-delimited search path for finding background image files.
712 763
773text font will being used for the given style. 824text font will being used for the given style.
774 825
775=item B<intensityStyles:> I<boolean> 826=item B<intensityStyles:> I<boolean>
776 827
777When font styles are not enabled, or this option is enabled (B<True>, 828When font styles are not enabled, or this option is enabled (B<True>,
778option B<-is>, the default), bold and italic font styles imply high 829option B<-is>, the default), bold/blink font styles imply high
779intensity foreground/background colours. Disabling this option (B<False>, 830intensity foreground/background colours. Disabling this option (B<False>,
780option B<+is>) disables this behaviour, the high intensity colours are not 831option B<+is>) disables this behaviour, the high intensity colours are not
781reachable. 832reachable.
782 833
783=item B<selectstyle:> I<mode>
784
785Set mouse selection style to B<old> which is 2.20, B<oldword> which
786is xterm style with 2.20 old word selection, or anything else which
787gives xterm style selection. Only effective when the original (non-perl)
788selection code is in use.
789
790=item B<scrollstyle:> I<mode>
791
792Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
793the author's favourite.
794
795=item B<title:> I<string> 834=item B<title:> I<string>
796 835
797Set window title string, the default title is the command-line 836Set window title string, the default title is the command-line
798specified after the B<-e> option, if any, otherwise the application 837specified after the B<-e> option, if any, otherwise the application
799name; option B<-title>. 838name; option B<-title>.
843 882
844 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 883 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
845 884
846This creates a new file in your home directory with the screen contents 885This creates a new file in your home directory with the screen contents
847every time you hit C<Print>. 886every time you hit C<Print>.
887
888=item B<scrollstyle:> I<mode>
889
890Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
891the author's favourite.
848 892
849=item B<scrollBar:> I<boolean> 893=item B<scrollBar:> I<boolean>
850 894
851B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 895B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
852disable the scrollbar; option B<+sb>. 896disable the scrollbar; option B<+sb>.
985will be created). In this mode, characters outside ISO-8859-1 can be used. 1029will be created). In this mode, characters outside ISO-8859-1 can be used.
986 1030
987When the selection extension is not used, only ISO-8859-1 characters can 1031When the selection extension is not used, only ISO-8859-1 characters can
988be used. If not specified, the built-in default is used: 1032be used. If not specified, the built-in default is used:
989 1033
990B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1034B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
991 1035
992=item B<preeditType:> I<style> 1036=item B<preeditType:> I<style>
993 1037
994B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1038B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
995 1039
1051 1095
1052=item B<secondaryScroll:> I<boolean> 1096=item B<secondaryScroll:> I<boolean>
1053 1097
1054Turn on/off secondary screen scroll (default enabled). If this 1098Turn on/off secondary screen scroll (default enabled). If this
1055option is enabled, scrolls on the secondary screen will change the 1099option is enabled, scrolls on the secondary screen will change the
1056scrollback buffer and switching to/from the secondary screen will 1100scrollback buffer and, when secondaryScreen is off, switching
1057instead scroll the screen up. 1101to/from the secondary screen will instead scroll the screen up.
1058 1102
1059=item B<hold>: I<boolean> 1103=item B<hold>: I<boolean>
1060 1104
1061Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1105Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1062will not immediately destroy its window when the program executed within 1106will not immediately destroy its window when the program executed within
1063it exits. Instead, it will wait till it is being killed or closed by the 1107it exits. Instead, it will wait till it is being killed or closed by the
1064user. 1108user.
1109
1110=item B<chdir>: I<path>
1111
1112Sets the working directory for the shell (or the command specified via
1113B<-e>). The I<path> must be an absolute path and it must exist for
1114@@RXVT_NAME@@ to start. If it isn't specified then the current working
1115directory will be used; option B<-cd>.
1065 1116
1066=item B<keysym.>I<sym>: I<string> 1117=item B<keysym.>I<sym>: I<string>
1067 1118
1068Compile I<frills>: Associate I<string> with keysym I<sym>. The 1119Compile I<frills>: Associate I<string> with keysym I<sym>. The
1069intervening resource name B<keysym.> cannot be omitted. 1120intervening resource name B<keysym.> cannot be omitted.
1083searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1134searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1084omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1135omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1085keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1136keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1086performed in an exact manner; however, the closest match is assured. 1137performed in an exact manner; however, the closest match is assured.
1087 1138
1088I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1139I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1089C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1140number), see RESOURCES in C<man 7 X> for futher details.
1090C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1091C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1092can start or end with whitespace. B<This feature is deprecated and will
1093be removed>.
1094
1095Please note that you need to double the C<\> in resource files, as
1096Xlib itself does its own de-escaping (you can use C<\033> instead of
1097C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1098processing).
1099 1141
1100You can define a range of keysyms in one shot by providing a I<string> 1142You can define a range of keysyms in one shot by providing a I<string>
1101with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1143with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1102should be a character not used by the strings. 1144should be a character not used by the strings.
1103 1145
1439=back 1481=back
1440 1482
1441=head2 ALPHA CHANNEL SUPPORT 1483=head2 ALPHA CHANNEL SUPPORT
1442 1484
1443If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1485If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1444their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1486their act together, rxvt-unicode will do it's own alpha channel management:
1445(recommended, but B<MUST> have 4 digits/component) colour specifications, 1487
1446in addition to the ones provided by X, where the additional A component 1488You can prefix any color with an opaquenes percentage enclosed in
1489brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1490(0-100) that specifies the opacity of the color, where C<0> is completely
1491transparent and C<100> is completely opaque. For example, C<[50]red> is a
1492half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1493is the recommended format to specify transparency values, and works with
1494all ways to specify a colour.
1495
1496For complete control, rxvt-unicode also supports
1497C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1498specifications, where the additional C<aaaa> component specifies opacity
1447specifies opacity (alpha) values. The minimum value of C<0> is completely 1499(alpha) values. The minimum value of C<0000> is completely transparent,
1448transparent). You can also prefix any color with C<[percent]>, where 1500while C<ffff> is completely opaque). The two example colours from
1449C<percent> is a decimal percentage (0-100) that specifies the opacity of 1501earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1450the color, where C<0> is completely transparent and C<100> is completelxy 1502C<rgba:0000/ff00/0000/f332>.
1451opaque.
1452 1503
1453You probably need to specify B<"-depth 32">, too, and have the luck that 1504You probably need to specify B<"-depth 32">, too, to force a visual with
1454your X-server uses ARGB pixel layout, as X is far from just supporting 1505alpha channels, and have the luck that your X-server uses ARGB pixel
1455ARGB visuals out of the box, and rxvt-unicode just fudges around. 1506layout, as X is far from just supporting ARGB visuals out of the box, and
1507rxvt-unicode just fudges around.
1456 1508
1457For example, the following selects an almost completely transparent red 1509For example, the following selects an almost completely transparent black
1458background, and an almost opaque pink foreground: 1510background, and an almost opaque pink foreground:
1459 1511
1460 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1512 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1461 1513
1462I<Please note that transparency of any kind if completely unsupported by 1514When not using a background image, then the interpretation of the
1463the author. Don't bug him with installation questions!> 1515alpha channel is up to your compositing manager (most interpret it as
1516transparency of course).
1517
1518When using a background pixmap or pseudo-transparency, then the background
1519colour will always behave as if it were completely transparent (so the
1520background image shows instead), regardless of how it was specified, while
1521other colours will either be transparent as specified (the background
1522image will show through) on servers supporting the RENDER extension, or
1523fully opaque on servers not supporting the RENDER EXTENSION.
1524
1525Please note that due to bugs in Xft, specifying alpha values might result
1526in garbage being displayed when the X-server does not support the RENDER
1527extension.
1464 1528
1465=head1 ENVIRONMENT 1529=head1 ENVIRONMENT
1466 1530
1467B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1531B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1468 1532
1474resources or on the command line. 1538resources or on the command line.
1475 1539
1476=item B<COLORTERM> 1540=item B<COLORTERM>
1477 1541
1478Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1542Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1479compiled with background image support, and optionally with the added 1543compiled with background image support, and optionally with the added
1480extension C<-mono> to indicate that rxvt-unicode runs on a monochrome 1544extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1481screen. 1545screen.
1482 1546
1483=item B<COLORFGBG> 1547=item B<COLORFGBG>
1484 1548
1485Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1549Set 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 1550the colour code used as default foreground/text colour (or the string
1487C<default> to indicate that the default-colour escape sequence is to be 1551C<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 1552used), 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@@ 1553string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1490was compiled with background image support. Libraries like C<ncurses> 1554was compiled with background image support. Libraries like C<ncurses>
1491and C<slang> can (and do) use this information to optimize screen output. 1555and C<slang> can (and do) use this information to optimize screen output.
1492 1556
1493=item B<WINDOWID> 1557=item B<WINDOWID>
1494 1558
1495Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1559Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1502C<--with-terminfo=PATH>. 1566C<--with-terminfo=PATH>.
1503 1567
1504=item B<DISPLAY> 1568=item B<DISPLAY>
1505 1569
1506Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1570Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1507display in its child processes. 1571display in its child processes if C<-display> isn't used to override. It
1572defaults to C<:0> if it doesn't exist.
1508 1573
1509=item B<SHELL> 1574=item B<SHELL>
1510 1575
1511The shell to be used for command execution, defaults to C</bin/sh>. 1576The shell to be used for command execution, defaults to C</bin/sh>.
1512 1577
1587Project Coordinator (changes.txt 2.21a to 2.4.5) 1652Project Coordinator (changes.txt 2.21a to 2.4.5)
1588 1653
1589=item Geoff Wing L<< <gcw@pobox.com> >> 1654=item Geoff Wing L<< <gcw@pobox.com> >>
1590 1655
1591Rewrote screen display and text selection routines. 1656Rewrote screen display and text selection routines.
1592 1657
1593Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1658Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1594 1659
1595=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1660=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1596 1661
1597Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1662Forked rxvt-unicode, unicode support, rewrote almost all the code, perl

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