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Revision 1.151 by root, Wed Dec 12 19:55:55 2007 UTC vs.
Revision 1.169 by root, Wed Nov 5 00:14:18 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
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>.
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]
102 110
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
174horizontal radii are considered to be the same. Setting one of the 182horizontal radii are considered to be the same. Setting one of the
175radii to 1 and another to a large number creates interesting effects 183radii to 1 and another to a large number creates interesting effects
176on some backgrounds. Maximum radius value is 128. Compile I<afterimage>; 184on some backgrounds. Maximum radius value is 128. Compile I<afterimage>;
177resource I<blurRadius>. 185resource I<blurRadius>.
178 186
187=item B<-icon> I<file>
188
189Compile I<afterimage>: Use the specified image as application icon. This
190is used by many window managers, taskbars and pagers to represent the
191application window; resource I<iconFile>.
192
179=item B<-bg> I<colour> 193=item B<-bg> I<colour>
180 194
181Window background colour; resource B<background>. 195Window background colour; resource B<background>.
182 196
183=item B<-fg> I<colour> 197=item B<-fg> I<colour>
242italic> >> characters are to be printed. See resource B<boldItalicFont> 256italic> >> characters are to be printed. See resource B<boldItalicFont>
243for details. 257for details.
244 258
245=item B<-is>|B<+is> 259=item B<-is>|B<+is>
246 260
247Compile I<font-styles>: Bold/Italic font styles imply high intensity 261Compile I<font-styles>: Bold/Blink font styles imply high intensity
248foreground/background (default). See resource B<intensityStyles> for 262foreground/background (default). See resource B<intensityStyles> for
249details. 263details.
250 264
251=item B<-name> I<name> 265=item B<-name> I<name>
252 266
270 284
271=item B<-sb>|B<+sb> 285=item B<-sb>|B<+sb>
272 286
273Turn on/off scrollbar; resource B<scrollBar>. 287Turn on/off scrollbar; resource B<scrollBar>.
274 288
289=item B<-sr>|B<+sr>
290
291Put scrollbar on right/left; resource B<scrollBar_right>.
292
293=item B<-st>|B<+st>
294
295Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
296resource B<scrollBar_floating>.
297
275=item B<-si>|B<+si> 298=item B<-si>|B<+si>
276 299
277Turn on/off scroll-to-bottom on TTY output inhibit; resource 300Turn on/off scroll-to-bottom on TTY output inhibit; resource
278B<scrollTtyOutput> has opposite effect. 301B<scrollTtyOutput> has opposite effect.
279 302
285=item B<-sw>|B<+sw> 308=item B<-sw>|B<+sw>
286 309
287Turn on/off scrolling with the scrollback buffer as new lines appear. 310Turn on/off scrolling with the scrollback buffer as new lines appear.
288This only takes effect if B<-si> is also given; resource 311This only takes effect if B<-si> is also given; resource
289B<scrollWithBuffer>. 312B<scrollWithBuffer>.
290
291=item B<-sr>|B<+sr>
292
293Put scrollbar on right/left; resource B<scrollBar_right>.
294
295=item B<-st>|B<+st>
296
297Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
298resource B<scrollBar_floating>.
299 313
300=item B<-ptab>|B<+ptab> 314=item B<-ptab>|B<+ptab>
301 315
302If enabled (default), "Horizontal Tab" characters are being stored as 316If enabled (default), "Horizontal Tab" characters are being stored as
303actual wide characters in the screen buffer, which makes it possible to 317actual wide characters in the screen buffer, which makes it possible to
332 346
333=item B<-bl> 347=item B<-bl>
334 348
335Compile I<frills>: Set MWM hints to request a borderless window, i.e. 349Compile I<frills>: Set MWM hints to request a borderless window, i.e.
336if honoured by the WM, the rxvt-unicode window will not have window 350if honoured by the WM, the rxvt-unicode window will not have window
337decorations; resource B<borderLess>. 351decorations; resource B<borderLess>. If the window manager does not
352support MWM hints (e.g. kwin), enables override-redirect mode.
338 353
339=item B<-override-redirect> 354=item B<-override-redirect>
340 355
341Compile I<frills>: Sets override-redirect on the window; resource 356Compile I<frills>: Sets override-redirect on the window; resource
342B<override-redirect>. 357B<override-redirect>.
446 461
447Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 462Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
448will not immediately destroy its window when the program executed within 463will not immediately destroy its window when the program executed within
449it exits. Instead, it will wait till it is being killed or closed by the 464it exits. Instead, it will wait till it is being killed or closed by the
450user; resource B<hold>. 465user; resource B<hold>.
466
467=item B<-cd> I<path>
468
469Sets the working directory for the shell (or the command specified via
470B<-e>). The I<path> must be an absolute path and it must exist for
471@@RXVT_NAME@@ to start; resource B<chdir>.
451 472
452=item B<-xrm> I<string> 473=item B<-xrm> I<string>
453 474
454Works like the X Toolkit option of the same name, by adding the I<string> 475Works like the X Toolkit option of the same name, by adding the I<string>
455as if it were specified in a resource file. Resource values specified this 476as if it were specified in a resource file. Resource values specified this
564=item B<depth:> I<bitdepth> 585=item B<depth:> I<bitdepth>
565 586
566Compile I<xft>: Attempt to find a visual with the given bit depth; 587Compile I<xft>: Attempt to find a visual with the given bit depth;
567option B<-depth>. 588option B<-depth>.
568 589
590=item B<buffered:> I<boolean>
591
592Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
593On some card/driver combination enabling it slightly decreases
594performance, on most it greatly helps it. The slowdown is small, so it
595should normally be enabled.
596
569=item B<geometry:> I<geom> 597=item B<geometry:> I<geom>
570 598
571Create the window with the specified X window geometry [default 80x24]; 599Create the window with the specified X window geometry [default 80x24];
572option B<-geometry>. 600option B<-geometry>.
573 601
691 719
692Specify background blending type; option B<-blt>. 720Specify background blending type; option B<-blt>.
693 721
694=item B<blurRadius:> I<number> 722=item B<blurRadius:> I<number>
695 723
696Apply Gaussian Blurr with the specified radius to the transparent 724Apply gaussian blur with the specified radius to the transparent
697background image; option B<-blr>. 725background image; option B<-blr>.
726
727=item B<iconFile:> I<file>
728
729Set the application icon pixmap; option B<-icon>.
698 730
699=item B<scrollColor:> I<colour> 731=item B<scrollColor:> I<colour>
700 732
701Use the specified colour for the scrollbar [default #B2B2B2]. 733Use the specified colour for the scrollbar [default #B2B2B2].
702 734
721an integer number of images in that direction. No image will be magnified 753an integer number of images in that direction. No image will be magnified
722beyond 10 times its original size. The maximum permitted scale is 1000. 754beyond 10 times its original size. The maximum permitted scale is 1000.
723Additional operations can be specified after colon B<:op1:op2...>. 755Additional operations can be specified after colon B<:op1:op2...>.
724Supported operations are: 756Supported operations are:
725 757
726 tile force background image to be tiled and not scaled. Equivalent to 0x0, 758 tile force background image to be tiled and not scaled. Equivalent to 0x0
727 propscale will scale image keeping proportions, 759 propscale will scale image keeping proportions
728 auto will scale image to match window size. Equivalent to 100x100; 760 auto will scale image to match window size. Equivalent to 100x100
729 hscale will scale image horizontally to the window size; 761 hscale will scale image horizontally to the window size
730 vscale will scale image vertically to the window size; 762 vscale will scale image vertically to the window size
731 scale will scale image to match window size; 763 scale will scale image to match window size
732 root will tile image as if it was a root window background, auto-adjusting 764 root will tile image as if it was a root window background, auto-adjusting
733 whenever terminal window moves. 765 whenever terminal window moves
734 766
735If used in conjunction with B<-tr> option, the specified pixmap will be 767If used in conjunction with B<-tr> option, the specified pixmap will be
736blended over transparency image using either alpha-blending, or any 768blended over transparency image using either alpha-blending, or any
737other blending type, specified with B<-blt "type"> option. 769other blending type, specified with B<-blt "type"> option.
738 770
803text font will being used for the given style. 835text font will being used for the given style.
804 836
805=item B<intensityStyles:> I<boolean> 837=item B<intensityStyles:> I<boolean>
806 838
807When font styles are not enabled, or this option is enabled (B<True>, 839When font styles are not enabled, or this option is enabled (B<True>,
808option B<-is>, the default), bold and italic font styles imply high 840option B<-is>, the default), bold/blink font styles imply high
809intensity foreground/background colours. Disabling this option (B<False>, 841intensity foreground/background colours. Disabling this option (B<False>,
810option B<+is>) disables this behaviour, the high intensity colours are not 842option B<+is>) disables this behaviour, the high intensity colours are not
811reachable. 843reachable.
812 844
813=item B<selectstyle:> I<mode>
814
815Set mouse selection style to B<old> which is 2.20, B<oldword> which
816is xterm style with 2.20 old word selection, or anything else which
817gives xterm style selection. Only effective when the original (non-perl)
818selection code is in use.
819
820=item B<scrollstyle:> I<mode>
821
822Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
823the author's favourite.
824
825=item B<title:> I<string> 845=item B<title:> I<string>
826 846
827Set window title string, the default title is the command-line 847Set window title string, the default title is the command-line
828specified after the B<-e> option, if any, otherwise the application 848specified after the B<-e> option, if any, otherwise the application
829name; option B<-title>. 849name; option B<-title>.
842=item B<urgentOnBell:> I<boolean> 862=item B<urgentOnBell:> I<boolean>
843 863
844B<True>: set the urgency hint for the wm on receipt of a bell character. 864B<True>: set the urgency hint for the wm on receipt of a bell character.
845B<False>: do not set the urgency hint [default]. 865B<False>: do not set the urgency hint [default].
846 866
867@@RXVT_NAME@@ resets the urgency hint on every focus change.
868
847=item B<visualBell:> I<boolean> 869=item B<visualBell:> I<boolean>
848 870
849B<True>: use visual bell on receipt of a bell character; option B<-vb>. 871B<True>: use visual bell on receipt of a bell character; option B<-vb>.
850B<False>: no visual bell [default]; option B<+vb>. 872B<False>: no visual bell [default]; option B<+vb>.
851 873
873 895
874 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 896 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
875 897
876This creates a new file in your home directory with the screen contents 898This creates a new file in your home directory with the screen contents
877every time you hit C<Print>. 899every time you hit C<Print>.
900
901=item B<scrollstyle:> I<mode>
902
903Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
904the author's favourite.
878 905
879=item B<scrollBar:> I<boolean> 906=item B<scrollBar:> I<boolean>
880 907
881B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 908B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
882disable the scrollbar; option B<+sb>. 909disable the scrollbar; option B<+sb>.
1081 1108
1082=item B<secondaryScroll:> I<boolean> 1109=item B<secondaryScroll:> I<boolean>
1083 1110
1084Turn on/off secondary screen scroll (default enabled). If this 1111Turn on/off secondary screen scroll (default enabled). If this
1085option is enabled, scrolls on the secondary screen will change the 1112option is enabled, scrolls on the secondary screen will change the
1086scrollback buffer and switching to/from the secondary screen will 1113scrollback buffer and, when secondaryScreen is off, switching
1087instead scroll the screen up. 1114to/from the secondary screen will instead scroll the screen up.
1088 1115
1089=item B<hold>: I<boolean> 1116=item B<hold>: I<boolean>
1090 1117
1091Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1118Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1092will not immediately destroy its window when the program executed within 1119will not immediately destroy its window when the program executed within
1093it exits. Instead, it will wait till it is being killed or closed by the 1120it exits. Instead, it will wait till it is being killed or closed by the
1094user. 1121user.
1122
1123=item B<chdir>: I<path>
1124
1125Sets the working directory for the shell (or the command specified via
1126B<-e>). The I<path> must be an absolute path and it must exist for
1127@@RXVT_NAME@@ to start. If it isn't specified then the current working
1128directory will be used; option B<-cd>.
1095 1129
1096=item B<keysym.>I<sym>: I<string> 1130=item B<keysym.>I<sym>: I<string>
1097 1131
1098Compile I<frills>: Associate I<string> with keysym I<sym>. The 1132Compile I<frills>: Associate I<string> with keysym I<sym>. The
1099intervening resource name B<keysym.> cannot be omitted. 1133intervening resource name B<keysym.> cannot be omitted.
1206all instances, while B<perl-ext> is used for specific instances. 1240all instances, while B<perl-ext> is used for specific instances.
1207 1241
1208=item B<perl-eval>: I<string> 1242=item B<perl-eval>: I<string>
1209 1243
1210Perl code to be evaluated when all extensions have been registered. See 1244Perl code to be evaluated when all extensions have been registered. See
1211the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1245the @@RXVT_NAME@@perl(3) manpage.
1212will be ignored when running setuid/setgid.
1213 1246
1214=item B<perl-lib>: I<path> 1247=item B<perl-lib>: I<path>
1215 1248
1216Colon-separated list of additional directories that hold extension 1249Colon-separated list of additional directories that hold extension
1217scripts. When looking for extensions specified by the C<perl> resource, 1250scripts. When looking for extensions specified by the C<perl> resource,
1218@@RXVT_NAME@@ will first look in these directories and then in 1251@@RXVT_NAME@@ will first look in these directories and then in
1219F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1252F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1220will be ignored when running setuid/setgid.
1221 1253
1222See the @@RXVT_NAME@@perl(3) manpage. 1254See the @@RXVT_NAME@@perl(3) manpage.
1223 1255
1224=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1256=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1225 1257
1460=back 1492=back
1461 1493
1462=head2 ALPHA CHANNEL SUPPORT 1494=head2 ALPHA CHANNEL SUPPORT
1463 1495
1464If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1496If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1465their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1497their act together, rxvt-unicode will do it's own alpha channel management:
1466(recommended, but B<MUST> have 4 digits/component) colour specifications, 1498
1467in addition to the ones provided by X, where the additional A component 1499You can prefix any color with an opaquenes percentage enclosed in
1500brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1501(0-100) that specifies the opacity of the color, where C<0> is completely
1502transparent and C<100> is completely opaque. For example, C<[50]red> is a
1503half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1504is the recommended format to specify transparency values, and works with
1505all ways to specify a colour.
1506
1507For complete control, rxvt-unicode also supports
1508C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1509specifications, where the additional C<aaaa> component specifies opacity
1468specifies opacity (alpha) values. The minimum value of C<0> is completely 1510(alpha) values. The minimum value of C<0000> is completely transparent,
1469transparent). You can also prefix any color with C<[percent]>, where 1511while C<ffff> is completely opaque). The two example colours from
1470C<percent> is a decimal percentage (0-100) that specifies the opacity of 1512earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1471the color, where C<0> is completely transparent and C<100> is completelxy 1513C<rgba:0000/ff00/0000/f332>.
1472opaque.
1473 1514
1474You probably need to specify B<"-depth 32">, too, and have the luck that 1515You probably need to specify B<"-depth 32">, too, to force a visual with
1475your X-server uses ARGB pixel layout, as X is far from just supporting 1516alpha channels, and have the luck that your X-server uses ARGB pixel
1476ARGB visuals out of the box, and rxvt-unicode just fudges around. 1517layout, as X is far from just supporting ARGB visuals out of the box, and
1518rxvt-unicode just fudges around.
1477 1519
1478For example, the following selects an almost completely transparent red 1520For example, the following selects an almost completely transparent black
1479background, and an almost opaque pink foreground: 1521background, and an almost opaque pink foreground:
1480 1522
1481 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1523 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1482 1524
1483I<Please note that transparency of any kind if completely unsupported by 1525When not using a background image, then the interpretation of the
1484the author. Don't bug him with installation questions!> 1526alpha channel is up to your compositing manager (most interpret it as
1527transparency of course).
1528
1529When using a background pixmap or pseudo-transparency, then the background
1530colour will always behave as if it were completely transparent (so the
1531background image shows instead), regardless of how it was specified, while
1532other colours will either be transparent as specified (the background
1533image will show through) on servers supporting the RENDER extension, or
1534fully opaque on servers not supporting the RENDER EXTENSION.
1535
1536Please note that due to bugs in Xft, specifying alpha values might result
1537in garbage being displayed when the X-server does not support the RENDER
1538extension.
1485 1539
1486=head1 ENVIRONMENT 1540=head1 ENVIRONMENT
1487 1541
1488B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1542B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1489 1543
1523C<--with-terminfo=PATH>. 1577C<--with-terminfo=PATH>.
1524 1578
1525=item B<DISPLAY> 1579=item B<DISPLAY>
1526 1580
1527Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1581Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1528display in its child processes. 1582display in its child processes if C<-display> isn't used to override. It
1583defaults to C<:0> if it doesn't exist.
1529 1584
1530=item B<SHELL> 1585=item B<SHELL>
1531 1586
1532The shell to be used for command execution, defaults to C</bin/sh>. 1587The shell to be used for command execution, defaults to C</bin/sh>.
1533 1588

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