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Revision 1.151 by root, Wed Dec 12 19:55:55 2007 UTC vs.
Revision 1.165 by root, Thu Oct 2 17:06:50 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
242italic> >> characters are to be printed. See resource B<boldItalicFont> 250italic> >> characters are to be printed. See resource B<boldItalicFont>
243for details. 251for details.
244 252
245=item B<-is>|B<+is> 253=item B<-is>|B<+is>
246 254
247Compile I<font-styles>: Bold/Italic font styles imply high intensity 255Compile I<font-styles>: Bold/Blink font styles imply high intensity
248foreground/background (default). See resource B<intensityStyles> for 256foreground/background (default). See resource B<intensityStyles> for
249details. 257details.
250 258
251=item B<-name> I<name> 259=item B<-name> I<name>
252 260
270 278
271=item B<-sb>|B<+sb> 279=item B<-sb>|B<+sb>
272 280
273Turn on/off scrollbar; resource B<scrollBar>. 281Turn on/off scrollbar; resource B<scrollBar>.
274 282
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
275=item B<-si>|B<+si> 292=item B<-si>|B<+si>
276 293
277Turn on/off scroll-to-bottom on TTY output inhibit; resource 294Turn on/off scroll-to-bottom on TTY output inhibit; resource
278B<scrollTtyOutput> has opposite effect. 295B<scrollTtyOutput> has opposite effect.
279 296
285=item B<-sw>|B<+sw> 302=item B<-sw>|B<+sw>
286 303
287Turn on/off scrolling with the scrollback buffer as new lines appear. 304Turn on/off scrolling with the scrollback buffer as new lines appear.
288This only takes effect if B<-si> is also given; resource 305This only takes effect if B<-si> is also given; resource
289B<scrollWithBuffer>. 306B<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>.
299 307
300=item B<-ptab>|B<+ptab> 308=item B<-ptab>|B<+ptab>
301 309
302If enabled (default), "Horizontal Tab" characters are being stored as 310If enabled (default), "Horizontal Tab" characters are being stored as
303actual wide characters in the screen buffer, which makes it possible to 311actual wide characters in the screen buffer, which makes it possible to
332 340
333=item B<-bl> 341=item B<-bl>
334 342
335Compile I<frills>: Set MWM hints to request a borderless window, i.e. 343Compile 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 344if honoured by the WM, the rxvt-unicode window will not have window
337decorations; resource B<borderLess>. 345decorations; resource B<borderLess>. If the window manager does not
346support MWM hints (e.g. kwin), enables override-redirect mode.
338 347
339=item B<-override-redirect> 348=item B<-override-redirect>
340 349
341Compile I<frills>: Sets override-redirect on the window; resource 350Compile I<frills>: Sets override-redirect on the window; resource
342B<override-redirect>. 351B<override-redirect>.
446 455
447Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 456Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
448will not immediately destroy its window when the program executed within 457will 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 458it exits. Instead, it will wait till it is being killed or closed by the
450user; resource B<hold>. 459user; resource B<hold>.
460
461=item B<-cd> I<path>
462
463Sets the working directory for the shell (or the command specified via
464B<-e>). The I<path> must be an absolute path and it must exist for
465@@RXVT_NAME@@ to start; resource B<chdir>.
451 466
452=item B<-xrm> I<string> 467=item B<-xrm> I<string>
453 468
454Works like the X Toolkit option of the same name, by adding the I<string> 469Works 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 470as if it were specified in a resource file. Resource values specified this
564=item B<depth:> I<bitdepth> 579=item B<depth:> I<bitdepth>
565 580
566Compile I<xft>: Attempt to find a visual with the given bit depth; 581Compile I<xft>: Attempt to find a visual with the given bit depth;
567option B<-depth>. 582option B<-depth>.
568 583
584=item B<buffered:> I<boolean>
585
586Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
587On some card/driver combination enabling it slightly decreases
588performance, on most it greatly helps it. The slowdown is small, so it
589should normally be enabled.
590
569=item B<geometry:> I<geom> 591=item B<geometry:> I<geom>
570 592
571Create the window with the specified X window geometry [default 80x24]; 593Create the window with the specified X window geometry [default 80x24];
572option B<-geometry>. 594option B<-geometry>.
573 595
721an integer number of images in that direction. No image will be magnified 743an integer number of images in that direction. No image will be magnified
722beyond 10 times its original size. The maximum permitted scale is 1000. 744beyond 10 times its original size. The maximum permitted scale is 1000.
723Additional operations can be specified after colon B<:op1:op2...>. 745Additional operations can be specified after colon B<:op1:op2...>.
724Supported operations are: 746Supported operations are:
725 747
726 tile force background image to be tiled and not scaled. Equivalent to 0x0, 748 tile force background image to be tiled and not scaled. Equivalent to 0x0
727 propscale will scale image keeping proportions, 749 propscale will scale image keeping proportions
728 auto will scale image to match window size. Equivalent to 100x100; 750 auto will scale image to match window size. Equivalent to 100x100
729 hscale will scale image horizontally to the window size; 751 hscale will scale image horizontally to the window size
730 vscale will scale image vertically to the window size; 752 vscale will scale image vertically to the window size
731 scale will scale image to match window size; 753 scale will scale image to match window size
732 root will tile image as if it was a root window background, auto-adjusting 754 root will tile image as if it was a root window background, auto-adjusting
733 whenever terminal window moves. 755 whenever terminal window moves
734 756
735If used in conjunction with B<-tr> option, the specified pixmap will be 757If used in conjunction with B<-tr> option, the specified pixmap will be
736blended over transparency image using either alpha-blending, or any 758blended over transparency image using either alpha-blending, or any
737other blending type, specified with B<-blt "type"> option. 759other blending type, specified with B<-blt "type"> option.
738 760
803text font will being used for the given style. 825text font will being used for the given style.
804 826
805=item B<intensityStyles:> I<boolean> 827=item B<intensityStyles:> I<boolean>
806 828
807When font styles are not enabled, or this option is enabled (B<True>, 829When font styles are not enabled, or this option is enabled (B<True>,
808option B<-is>, the default), bold and italic font styles imply high 830option B<-is>, the default), bold/blink font styles imply high
809intensity foreground/background colours. Disabling this option (B<False>, 831intensity foreground/background colours. Disabling this option (B<False>,
810option B<+is>) disables this behaviour, the high intensity colours are not 832option B<+is>) disables this behaviour, the high intensity colours are not
811reachable. 833reachable.
812 834
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> 835=item B<title:> I<string>
826 836
827Set window title string, the default title is the command-line 837Set window title string, the default title is the command-line
828specified after the B<-e> option, if any, otherwise the application 838specified after the B<-e> option, if any, otherwise the application
829name; option B<-title>. 839name; option B<-title>.
873 883
874 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 884 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
875 885
876This creates a new file in your home directory with the screen contents 886This creates a new file in your home directory with the screen contents
877every time you hit C<Print>. 887every time you hit C<Print>.
888
889=item B<scrollstyle:> I<mode>
890
891Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
892the author's favourite.
878 893
879=item B<scrollBar:> I<boolean> 894=item B<scrollBar:> I<boolean>
880 895
881B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 896B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
882disable the scrollbar; option B<+sb>. 897disable the scrollbar; option B<+sb>.
1081 1096
1082=item B<secondaryScroll:> I<boolean> 1097=item B<secondaryScroll:> I<boolean>
1083 1098
1084Turn on/off secondary screen scroll (default enabled). If this 1099Turn on/off secondary screen scroll (default enabled). If this
1085option is enabled, scrolls on the secondary screen will change the 1100option is enabled, scrolls on the secondary screen will change the
1086scrollback buffer and switching to/from the secondary screen will 1101scrollback buffer and, when secondaryScreen is off, switching
1087instead scroll the screen up. 1102to/from the secondary screen will instead scroll the screen up.
1088 1103
1089=item B<hold>: I<boolean> 1104=item B<hold>: I<boolean>
1090 1105
1091Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1106Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1092will not immediately destroy its window when the program executed within 1107will 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 1108it exits. Instead, it will wait till it is being killed or closed by the
1094user. 1109user.
1110
1111=item B<chdir>: I<path>
1112
1113Sets the working directory for the shell (or the command specified via
1114B<-e>). The I<path> must be an absolute path and it must exist for
1115@@RXVT_NAME@@ to start. If it isn't specified then the current working
1116directory will be used; option B<-cd>.
1095 1117
1096=item B<keysym.>I<sym>: I<string> 1118=item B<keysym.>I<sym>: I<string>
1097 1119
1098Compile I<frills>: Associate I<string> with keysym I<sym>. The 1120Compile I<frills>: Associate I<string> with keysym I<sym>. The
1099intervening resource name B<keysym.> cannot be omitted. 1121intervening resource name B<keysym.> cannot be omitted.
1460=back 1482=back
1461 1483
1462=head2 ALPHA CHANNEL SUPPORT 1484=head2 ALPHA CHANNEL SUPPORT
1463 1485
1464If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1486If 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> 1487their act together, rxvt-unicode will do it's own alpha channel management:
1466(recommended, but B<MUST> have 4 digits/component) colour specifications, 1488
1467in addition to the ones provided by X, where the additional A component 1489You can prefix any color with an opaquenes percentage enclosed in
1490brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1491(0-100) that specifies the opacity of the color, where C<0> is completely
1492transparent and C<100> is completely opaque. For example, C<[50]red> is a
1493half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1494is the recommended format to specify transparency values, and works with
1495all ways to specify a colour.
1496
1497For complete control, rxvt-unicode also supports
1498C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1499specifications, where the additional C<aaaa> component specifies opacity
1468specifies opacity (alpha) values. The minimum value of C<0> is completely 1500(alpha) values. The minimum value of C<0000> is completely transparent,
1469transparent). You can also prefix any color with C<[percent]>, where 1501while C<ffff> is completely opaque). The two example colours from
1470C<percent> is a decimal percentage (0-100) that specifies the opacity of 1502earlier 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 1503C<rgba:0000/ff00/0000/f332>.
1472opaque.
1473 1504
1474You probably need to specify B<"-depth 32">, too, and have the luck that 1505You 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 1506alpha channels, and have the luck that your X-server uses ARGB pixel
1476ARGB visuals out of the box, and rxvt-unicode just fudges around. 1507layout, as X is far from just supporting ARGB visuals out of the box, and
1508rxvt-unicode just fudges around.
1477 1509
1478For example, the following selects an almost completely transparent red 1510For example, the following selects an almost completely transparent black
1479background, and an almost opaque pink foreground: 1511background, and an almost opaque pink foreground:
1480 1512
1481 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1513 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1482 1514
1483I<Please note that transparency of any kind if completely unsupported by 1515When not using a background image, then the interpretation of the
1484the author. Don't bug him with installation questions!> 1516alpha channel is up to your compositing manager (most interpret it as
1517transparency of course).
1518
1519When using a background pixmap or pseudo-transparency, then the background
1520colour will always behave as if it were completely transparent (so the
1521background image shows instead), regardless of how it was specified, while
1522other colours will either be transparent as specified (the background
1523image will show through) on servers supporting the RENDER extension, or
1524fully opaque on servers not supporting the RENDER EXTENSION.
1525
1526Please note that due to bugs in Xft, specifying alpha values might result
1527in garbage being displayed when the X-server does not support the RENDER
1528extension.
1485 1529
1486=head1 ENVIRONMENT 1530=head1 ENVIRONMENT
1487 1531
1488B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1532B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1489 1533
1523C<--with-terminfo=PATH>. 1567C<--with-terminfo=PATH>.
1524 1568
1525=item B<DISPLAY> 1569=item B<DISPLAY>
1526 1570
1527Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1571Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1528display in its child processes. 1572display in its child processes if C<-display> isn't used to override. It
1573defaults to C<:0> if it doesn't exist.
1529 1574
1530=item B<SHELL> 1575=item B<SHELL>
1531 1576
1532The shell to be used for command execution, defaults to C</bin/sh>. 1577The shell to be used for command execution, defaults to C</bin/sh>.
1533 1578

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