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Revision 1.141 by sasha, Mon Oct 29 13:40:41 2007 UTC vs.
Revision 1.186 by sf-exg, Wed Oct 13 23:36:00 2010 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>
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<-tr>|B<+tr> 127=item B<-tr>|B<+tr>
120 128
121Turn on/off illusion of a transparent window background. Obsolete form of it is 129Turn on/off illusion of a transparent window background; resource B<transparent>.
122B<-ip> and it should not be used anymore; resource B<transparent>.
123 130
124I<Please note that old resource name of B<inheritPixmap> is obsolete and should be 131B<-ip> is still accepted as an obsolete alias but will be removed in
125changed to B<transparent>. Backwards compatibility support for B<inheritPixmap> will 132future versions.
126be phased out in future versions of rxvt!>
127 133
128I<Please address all transparency related issues to Sasha Vasko at 134I<Please address all transparency related issues to Sasha Vasko at
129sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!> 135sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
130 136
131=item B<-fade> I<number> 137=item B<-fade> I<number>
132 138
133Fade 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
145transparency is enabled with B<-tr>. This only works for 151transparency is enabled with B<-tr>. This only works for
146non-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
147used to brighten or darken the image in addition to tinting it. 153used to brighten or darken the image in addition to tinting it.
148Please 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,
149thus yielding performance gain of two orders of magnitude. These colours are: 155thus yielding performance gain of two orders of magnitude. These colours are:
150blue, red, green, cyan, magenta, yellow, and those close to them. Also 156blue, red, green, cyan, magenta, yellow, and those close to them. Also
151pure black and pure white colors essentialy mean no tinting; resource 157pure black and pure white colours essentially mean no tinting; resource
152I<tintColor>. Example: 158I<tintColor>. Example:
153 159
154 @@RXVT_NAME@@ -tr -tint blue -sh 40 160 @@RXVT_NAME@@ -tr -tint blue -sh 40
155 161
156=item B<-sh> I<number> 162=item B<-sh> I<number>
162=item B<-blt> I<string> 168=item B<-blt> I<string>
163 169
164Specify background blending type. If background pixmap is specified 170Specify background blending type. If background pixmap is specified
165at the same time as transparency - such pixmap will be blended over 171at the same time as transparency - such pixmap will be blended over
166transparency image, using method specified. Supported values are : 172transparency image, using method specified. Supported values are :
167B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 173B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
168B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 174B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
169B<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
170alpha-blending. Compile I<afterimage>; resource I<blendType>. 176alpha-blending. Compile I<afterimage>; resource I<blendType>.
171 177
172=item B<-blr> I<HxV> 178=item B<-blr> I<HxV>
173 179
174Apply Gaussian Blur with the specified radii to the transparent 180Apply Gaussian Blur with the specified radii to the transparent
175background image. If single number is specified - both vertical and 181background image. If single number is specified - both vertical and
176horizontal radii are considered to be the same. Setting one of the 182horizontal radii are considered to be the same. Setting one of the
177radii to 1 and another to a large number creates interesting effects 183radii to 1 and another to a large number creates interesting effects
178on some backgrounds. Maximum radius value is 128. Compile I<afterimage>; 184on some backgrounds. Maximum radius value is 128. Compile I<afterimage> or I<xft>;
179resource I<blurRadius>. 185resource I<blurRadius>.
180 186
187=item B<-icon> I<file>
188
189Compile I<afterimage> or I<pixbuf>: 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
181=item B<-bg> I<colour> 193=item B<-bg> I<colour>
182 194
183Window background colour; resource B<background>. 195Window background colour; resource B<background>.
184 196
185=item B<-fg> I<colour> 197=item B<-fg> I<colour>
186 198
187Window foreground colour; resource B<foreground>. 199Window foreground colour; resource B<foreground>.
188 200
189=item B<-pixmap> I<file[;geom]> 201=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
190 202
191Compile I<afterimage>: Specify image file for the background and also 203Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
192optionally specify its scaling with a geometry string. Note you may need to 204optionally specify its scaling with a geometry string. Note you may need to
193add quotes to avoid special shell interpretation of the C<;> in the 205add quotes to avoid special shell interpretation of the C<;> in the
194command-line; for more details see resource B<backgroundPixmap>. 206command-line; for more details see resource B<backgroundPixmap>.
195 207
196=item B<-cr> I<colour> 208=item B<-cr> I<colour>
244italic> >> characters are to be printed. See resource B<boldItalicFont> 256italic> >> characters are to be printed. See resource B<boldItalicFont>
245for details. 257for details.
246 258
247=item B<-is>|B<+is> 259=item B<-is>|B<+is>
248 260
249Compile I<font-styles>: Bold/Italic font styles imply high intensity 261Compile I<font-styles>: Bold/Blink font styles imply high intensity
250foreground/background (default). See resource B<intensityStyles> for 262foreground/background (default). See resource B<intensityStyles> for
251details. 263details.
252 264
253=item B<-name> I<name> 265=item B<-name> I<name>
254 266
272 284
273=item B<-sb>|B<+sb> 285=item B<-sb>|B<+sb>
274 286
275Turn on/off scrollbar; resource B<scrollBar>. 287Turn on/off scrollbar; resource B<scrollBar>.
276 288
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
277=item B<-si>|B<+si> 298=item B<-si>|B<+si>
278 299
279Turn on/off scroll-to-bottom on TTY output inhibit; resource 300Turn on/off scroll-to-bottom on TTY output inhibit; resource
280B<scrollTtyOutput> has opposite effect. 301B<scrollTtyOutput> has opposite effect.
281 302
287=item B<-sw>|B<+sw> 308=item B<-sw>|B<+sw>
288 309
289Turn on/off scrolling with the scrollback buffer as new lines appear. 310Turn on/off scrolling with the scrollback buffer as new lines appear.
290This only takes effect if B<-si> is also given; resource 311This only takes effect if B<-si> is also given; resource
291B<scrollWithBuffer>. 312B<scrollWithBuffer>.
292
293=item B<-sr>|B<+sr>
294
295Put scrollbar on right/left; resource B<scrollBar_right>.
296
297=item B<-st>|B<+st>
298
299Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
300resource B<scrollBar_floating>.
301 313
302=item B<-ptab>|B<+ptab> 314=item B<-ptab>|B<+ptab>
303 315
304If enabled (default), "Horizontal Tab" characters are being stored as 316If enabled (default), "Horizontal Tab" characters are being stored as
305actual wide characters in the screen buffer, which makes it possible to 317actual wide characters in the screen buffer, which makes it possible to
309 321
310=item B<-bc>|B<+bc> 322=item B<-bc>|B<+bc>
311 323
312Blink the cursor; resource B<cursorBlink>. 324Blink the cursor; resource B<cursorBlink>.
313 325
326=item B<-uc>|B<+uc>
327
328Make the cursor underlined; resource B<cursorUnderline>.
329
314=item B<-iconic> 330=item B<-iconic>
315 331
316Start iconified, if the window manager supports that option. 332Start iconified, if the window manager supports that option.
317Alternative form is B<-ic>. 333Alternative form is B<-ic>.
318 334
334 350
335=item B<-bl> 351=item B<-bl>
336 352
337Compile I<frills>: Set MWM hints to request a borderless window, i.e. 353Compile I<frills>: Set MWM hints to request a borderless window, i.e.
338if honoured by the WM, the rxvt-unicode window will not have window 354if honoured by the WM, the rxvt-unicode window will not have window
339decorations; resource B<borderLess>. 355decorations; resource B<borderLess>. If the window manager does not
356support MWM hints (e.g. kwin), enables override-redirect mode.
340 357
341=item B<-override-redirect> 358=item B<-override-redirect>
342 359
343Compile I<frills>: Sets override-redirect on the window; resource 360Compile I<frills>: Sets override-redirect on the window; resource
344B<override-redirect>. 361B<override-redirect>.
353=item B<-lsp> I<number> 370=item B<-lsp> I<number>
354 371
355Compile I<frills>: Lines (pixel height) to insert between each row of 372Compile I<frills>: Lines (pixel height) to insert between each row of
356the display. Useful to work around font rendering problems; resource 373the display. Useful to work around font rendering problems; resource
357B<lineSpace>. 374B<lineSpace>.
375
376=item B<-letsp> I<number>
377
378Compile I<frills>: Amount to adjust the computed character width by
379to control overall letter spacing. Negative values will tighten up the
380letter spacing, positive values will space letters out more. Useful to
381work around odd font metrics; resource B<letterSpace>.
358 382
359=item B<-tn> I<termname> 383=item B<-tn> I<termname>
360 384
361This option specifies the name of the terminal type to be set in the 385This option specifies the name of the terminal type to be set in the
362B<TERM> environment variable. This terminal type must exist in the 386B<TERM> environment variable. This terminal type must exist in the
417 441
418=item B<-tcw> 442=item B<-tcw>
419 443
420Change the meaning of triple-click selection with the left mouse 444Change the meaning of triple-click selection with the left mouse
421button. Only effective when the original (non-perl) selection code is 445button. Only effective when the original (non-perl) selection code is
422in-use. Instead of selecting a full line it will extend the selection the 446in-use. Instead of selecting a full line it will extend the selection to
423end of the logical line only. resource B<tripleclickwords>. 447the end of the logical line only. resource B<tripleclickwords>.
424 448
425=item B<-insecure> 449=item B<-insecure>
426 450
427Enable "insecure" mode, which currently enables most of the escape 451Enable "insecure" mode, which currently enables most of the escape
428sequences that echo strings. See the resource B<insecure> for more 452sequences that echo strings. See the resource B<insecure> for more
448 472
449Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 473Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
450will not immediately destroy its window when the program executed within 474will not immediately destroy its window when the program executed within
451it exits. Instead, it will wait till it is being killed or closed by the 475it exits. Instead, it will wait till it is being killed or closed by the
452user; resource B<hold>. 476user; resource B<hold>.
477
478=item B<-cd> I<path>
479
480Sets the working directory for the shell (or the command specified via
481B<-e>). The I<path> must be an absolute path and it must exist for
482@@RXVT_NAME@@ to start; resource B<chdir>.
483
484=item B<-xrm> I<string>
485
486Works like the X Toolkit option of the same name, by adding the I<string>
487as if it were specified in a resource file. Resource values specified this
488way take precedence over all other resource specifications.
489
490Note that you need to use the I<same> syntax as in the .Xdefaults file,
491e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
492options can be specified as long-options on the commandline, so use
493of B<-xrm> is mostly limited to cases where you want to specify other
494resources (e.g. for input methods) or for compatibility with other
495programs.
453 496
454=item B<-keysym.>I<sym> I<string> 497=item B<-keysym.>I<sym> I<string>
455 498
456Remap a key symbol. See resource B<keysym>. 499Remap a key symbol. See resource B<keysym>.
457 500
492If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 535If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
493entries and will not tinker with pty/tty permissions - you have to do that 536entries and will not tinker with pty/tty permissions - you have to do that
494yourself if you want that. 537yourself if you want that.
495 538
496As an extremely special case, specifying C<-1> will completely suppress 539As an extremely special case, specifying C<-1> will completely suppress
497pty/tty operations. 540pty/tty operations, which is probably only useful in conjunction with some
541perl extension that manages the terminal.
498 542
499Here is a example in perl that illustrates how this option can be used (a 543Here is a example in perl that illustrates how this option can be used (a
500longer example is in F<doc/pty-fd>): 544longer example is in F<doc/pty-fd>):
501 545
502 use IO::Pty; 546 use IO::Pty;
516Comma-separated list of perl extension scripts to use (or not to use) in 560Comma-separated list of perl extension scripts to use (or not to use) in
517this terminal instance. See resource B<perl-ext> for details. 561this terminal instance. See resource B<perl-ext> for details.
518 562
519=back 563=back
520 564
521=head1 RESOURCES (available also as long-options) 565=head1 RESOURCES
522 566
523Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 567Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
524options) compiled into your version. 568options) compiled into your version. All resources are also available as
569long-options.
525 570
526You can set and change the resources using X11 tools like B<xrdb>. Many 571You can set and change the resources using X11 tools like B<xrdb>. Many
527distribution do also load settings from the B<~/.Xresources> file when X 572distribution do also load settings from the B<~/.Xresources> file when X
528starts. @@RXVT_NAME@@ will consult the following files/resources in order, 573starts. @@RXVT_NAME@@ will consult the following files/resources in order,
529with later settings overwriting earlier ones: 574with later settings overwriting earlier ones:
531 1. system-wide app-defaults file, either locale-dependent OR global 576 1. system-wide app-defaults file, either locale-dependent OR global
532 2. app-defaults file in $XAPPLRESDIR 577 2. app-defaults file in $XAPPLRESDIR
533 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 578 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
534 4. SCREEN_RESOURCES for the current screen 579 4. SCREEN_RESOURCES for the current screen
535 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 580 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
581 6. resources specified via -xrm on the commandline
536 582
537Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 583Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
538names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 584names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
539common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 585common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
540configured, while the class name B<URxvt> allows resources unique to 586configured, while the class name B<URxvt> allows resources unique to
550=item B<depth:> I<bitdepth> 596=item B<depth:> I<bitdepth>
551 597
552Compile I<xft>: Attempt to find a visual with the given bit depth; 598Compile I<xft>: Attempt to find a visual with the given bit depth;
553option B<-depth>. 599option B<-depth>.
554 600
601=item B<buffered:> I<boolean>
602
603Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
604On some card/driver combination enabling it slightly decreases
605performance, on most it greatly helps it. The slowdown is small, so it
606should normally be enabled.
607
555=item B<geometry:> I<geom> 608=item B<geometry:> I<geom>
556 609
557Create the window with the specified X window geometry [default 80x24]; 610Create the window with the specified X window geometry [default 80x24];
558option B<-geometry>. 611option B<-geometry>.
559 612
572Use the specified colour for the colour value I<n>, where 0-7 625Use the specified colour for the colour value I<n>, where 0-7
573corresponds to low-intensity (normal) colours and 8-15 corresponds to 626corresponds to low-intensity (normal) colours and 8-15 corresponds to
574high-intensity (bold = bright foreground, blink = bright background) 627high-intensity (bold = bright foreground, blink = bright background)
575colours. The canonical names are as follows: 0=black, 1=red, 2=green, 628colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5763=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6293=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
577names used are listed in the B<COLORS AND GRAPHICS> section. 630names used are listed in the B<COLOURS AND GRAPHICS> section.
578 631
579Colours higher than 15 cannot be set using resources (yet), but can be 632Colours higher than 15 cannot be set using resources (yet), but can be
580changed using an escape command (see @@RXVT_NAME@@(7)). 633changed using an escape command (see @@RXVT_NAME@@(7)).
581 634
582Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 635Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
593=item B<colorUL:> I<colour> 646=item B<colorUL:> I<colour>
594 647
595Use the specified colour to display underlined characters when the 648Use the specified colour to display underlined characters when the
596foreground colour is the default. 649foreground colour is the default.
597 650
598=item B<colorRV:> I<colour>
599
600Use the specified colour as the background for reverse video characters
601when OPTION_HC is disabled (--disable-frills).
602
603=item B<underlineColor:> I<colour> 651=item B<underlineColor:> I<colour>
604 652
605If set, use the specified colour as the colour for the underline 653If set, use the specified colour as the colour for the underline
606itself. If unset, use the foreground colour. 654itself. If unset, use the foreground colour.
655
656=item B<highlightColor:> I<colour>
657
658If set, use the specified colour as the background for highlighted
659characters. If unset, use reverse video.
660
661=item B<highlightTextColor:> I<colour>
662
663If set and highlightColor is set, use the specified colour as the
664foreground for highlighted characters.
607 665
608=item B<cursorColor:> I<colour> 666=item B<cursorColor:> I<colour>
609 667
610Use the specified colour for the cursor. The default is to use the 668Use the specified colour for the cursor. The default is to use the
611foreground colour; option B<-cr>. 669foreground colour; option B<-cr>.
618 676
619=item B<reverseVideo:> I<boolean> 677=item B<reverseVideo:> I<boolean>
620 678
621B<True>: simulate reverse video by foreground and background colours; 679B<True>: simulate reverse video by foreground and background colours;
622option B<-rv>. B<False>: regular screen colours [default]; option 680option B<-rv>. B<False>: regular screen colours [default]; option
623B<+rv>. See note in B<COLORS AND GRAPHICS> section. 681B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
624 682
625=item B<jumpScroll:> I<boolean> 683=item B<jumpScroll:> I<boolean>
626 684
627B<True>: specify that jump scrolling should be used. When receiving lots 685B<True>: specify that jump scrolling should be used. When receiving lots
628of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines 686of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
642 700
643B<False>: specify that everything is to be displayed, even 701B<False>: specify that everything is to be displayed, even
644if the refresh is too fast for the human eye to read anything (or the 702if the refresh is too fast for the human eye to read anything (or the
645monitor to display anything); option B<+ss>. 703monitor to display anything); option B<+ss>.
646 704
647=item B<inheritPixmap:> I<boolean> 705=item B<transparent:> I<boolean>
648 706
649B<True>: make the background inherit the parent windows' pixmap, giving 707Turn on/off illusion of a transparent window background.
650artificial transparency. B<False>: do not inherit the parent windows'
651pixmap.
652 708
653I<Please note that transparency of any kind if completely unsupported by 709B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
654the author. Don't bug him with installation questions!> 710future versions.
711
712I<Please address all transparency related issues to Sasha Vasko at
713sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
655 714
656=item B<fading:> I<number> 715=item B<fading:> I<number>
657 716
658Fade the text by the given percentage when focus is lost; option B<-fade>. 717Fade the text by the given percentage when focus is lost; option B<-fade>.
659 718
676 735
677Specify background blending type; option B<-blt>. 736Specify background blending type; option B<-blt>.
678 737
679=item B<blurRadius:> I<number> 738=item B<blurRadius:> I<number>
680 739
681Apply Gaussian Blurr with the specified radius to the transparent 740Apply gaussian blur with the specified radius to the transparent
682background image; option B<-blr>. 741background image; option B<-blr>.
742
743=item B<iconFile:> I<file>
744
745Set the application icon pixmap; option B<-icon>.
683 746
684=item B<scrollColor:> I<colour> 747=item B<scrollColor:> I<colour>
685 748
686Use the specified colour for the scrollbar [default #B2B2B2]. 749Use the specified colour for the scrollbar [default #B2B2B2].
687 750
693=item B<borderColor:> I<colour> 756=item B<borderColor:> I<colour>
694 757
695The colour of the border around the text area and between the scrollbar 758The colour of the border around the text area and between the scrollbar
696and the text. 759and the text.
697 760
698=item B<backgroundPixmap:> I<file[;geom]> 761=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
699 762
700Use the specified image file for the background and also optionally 763Use the specified image file for the background and also
701specify its scaling with a geometry string B<WxH+X+Y>, 764optionally specify its scaling with a geometry string B<WxH+X+Y>,
702in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 765(default C<100x100+50+50>) in which B<"W" / "H"> specify the
703and B<"X" / "Y"> locate the image centre (percent). 766horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
704A scale of 0 displays the image with tiling. A scale of 1 displays the 767centre (percent). A scale of 0 displays the image with tiling.
705image without any scaling. A scale of 2 to 9 specifies an integer 768The maximum permitted scale is 1000.
706number of images in that direction. No image will be magnified beyond 769Additional operations can be specified after colon B<:op1:op2...>.
70710 times its original size. The maximum permitted scale is 1000. 770Supported operations are:
708Special string of B<"auto"> used as a geometry will cause image to be 771
709automatically scaled to match window size. 772 tile force background image to be tiled and not scaled. Equivalent to 0x0
773 propscale will scale image keeping proportions
774 auto will scale image to match window size. Equivalent to 100x100
775 hscale will scale image horizontally to the window size
776 vscale will scale image vertically to the window size
777 scale will scale image to match window size
778 root will tile image as if it was a root window background, auto-adjusting
779 whenever terminal window moves
780
710If used in conjunction with B<-tr> option - specified pixmap will be 781If used in conjunction with B<-tr> option, the specified pixmap will be
711blended over transparency image using either alpha-blending, or any 782blended over transparency image using alpha-blending. If I<afterimage>
712other blending type, specified with B<-blt "type"> option. 783support has been compiled in it is possible to choose other blending
713[default 0x0+50+50] 784types with B<-blt "type"> option.
714 785
715=item B<path:> I<path> 786=item B<path:> I<path>
716 787
717Specify the colon-delimited search path for finding background image files. 788Specify the colon-delimited search path for finding background image files.
718 789
745it is named first) and thus defines the character cell grid to be 9 pixels 816it is named first) and thus defines the character cell grid to be 9 pixels
746wide and 15 pixels high. 817wide and 15 pixels high.
747 818
748The second font is just used to add additional unicode characters not in 819The second font is just used to add additional unicode characters not in
749the base font, likewise the third, which is unfortunately non-bold, but 820the base font, likewise the third, which is unfortunately non-bold, but
750the bold version of the font does contain less characters, so this is a 821the bold version of the font does contain fewer characters, so this is a
751useful supplement. 822useful supplement.
752 823
753The third font is an Xft font with aliasing turned off, and the characters 824The third font is an Xft font with aliasing turned off, and the characters
754are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 825are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
755contains other characters, but we are not interested in them. 826contains other characters, but we are not interested in them.
779text font will being used for the given style. 850text font will being used for the given style.
780 851
781=item B<intensityStyles:> I<boolean> 852=item B<intensityStyles:> I<boolean>
782 853
783When font styles are not enabled, or this option is enabled (B<True>, 854When font styles are not enabled, or this option is enabled (B<True>,
784option B<-is>, the default), bold and italic font styles imply high 855option B<-is>, the default), bold/blink font styles imply high
785intensity foreground/background colours. Disabling this option (B<False>, 856intensity foreground/background colours. Disabling this option (B<False>,
786option B<+is>) disables this behaviour, the high intensity colours are not 857option B<+is>) disables this behaviour, the high intensity colours are not
787reachable. 858reachable.
788 859
789=item B<selectstyle:> I<mode>
790
791Set mouse selection style to B<old> which is 2.20, B<oldword> which
792is xterm style with 2.20 old word selection, or anything else which
793gives xterm style selection. Only effective when the original (non-perl)
794selection code is in use.
795
796=item B<scrollstyle:> I<mode>
797
798Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
799the author's favourite.
800
801=item B<title:> I<string> 860=item B<title:> I<string>
802 861
803Set window title string, the default title is the command-line 862Set window title string, the default title is the command-line
804specified after the B<-e> option, if any, otherwise the application 863specified after the B<-e> option, if any, otherwise the application
805name; option B<-title>. 864name; option B<-title>.
818=item B<urgentOnBell:> I<boolean> 877=item B<urgentOnBell:> I<boolean>
819 878
820B<True>: set the urgency hint for the wm on receipt of a bell character. 879B<True>: set the urgency hint for the wm on receipt of a bell character.
821B<False>: do not set the urgency hint [default]. 880B<False>: do not set the urgency hint [default].
822 881
882@@RXVT_NAME@@ resets the urgency hint on every focus change.
883
823=item B<visualBell:> I<boolean> 884=item B<visualBell:> I<boolean>
824 885
825B<True>: use visual bell on receipt of a bell character; option B<-vb>. 886B<True>: use visual bell on receipt of a bell character; option B<-vb>.
826B<False>: no visual bell [default]; option B<+vb>. 887B<False>: no visual bell [default]; option B<+vb>.
827 888
849 910
850 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 911 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
851 912
852This creates a new file in your home directory with the screen contents 913This creates a new file in your home directory with the screen contents
853every time you hit C<Print>. 914every time you hit C<Print>.
915
916=item B<scrollstyle:> I<mode>
917
918Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
919the author's favourite.
854 920
855=item B<scrollBar:> I<boolean> 921=item B<scrollBar:> I<boolean>
856 922
857B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 923B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
858disable the scrollbar; option B<+sb>. 924disable the scrollbar; option B<+sb>.
946=item B<cursorBlink:> I<boolean> 1012=item B<cursorBlink:> I<boolean>
947 1013
948B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1014B<True>: blink the cursor. B<False>: do not blink the cursor [default];
949option B<-bc>. 1015option B<-bc>.
950 1016
1017=item B<cursorUnderline:> I<boolean>
1018
1019B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1020option B<-uc>.
1021
951=item B<pointerBlank:> I<boolean> 1022=item B<pointerBlank:> I<boolean>
952 1023
953B<True>: blank the pointer when a key is pressed or after a set number 1024B<True>: blank the pointer when a key is pressed or after a set number
954of seconds of inactivity. B<False>: the pointer is always visible 1025of seconds of inactivity. B<False>: the pointer is always visible
955[default]. 1026[default].
968large number (e.g. C<987654321>) to effectively disable the timeout. 1039large number (e.g. C<987654321>) to effectively disable the timeout.
969 1040
970=item B<backspacekey:> I<string> 1041=item B<backspacekey:> I<string>
971 1042
972The string to send when the backspace key is pressed. If set to B<DEC> 1043The string to send when the backspace key is pressed. If set to B<DEC>
973or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1044or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
974(code 8) - which can be reversed with the appropriate DEC private mode 1045(code 8) - which can be reversed with the appropriate DEC private mode
975escape sequence. 1046escape sequence.
976 1047
977=item B<deletekey:> I<string> 1048=item B<deletekey:> I<string>
978 1049
991will be created). In this mode, characters outside ISO-8859-1 can be used. 1062will be created). In this mode, characters outside ISO-8859-1 can be used.
992 1063
993When the selection extension is not used, only ISO-8859-1 characters can 1064When the selection extension is not used, only ISO-8859-1 characters can
994be used. If not specified, the built-in default is used: 1065be used. If not specified, the built-in default is used:
995 1066
996B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1067B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
997 1068
998=item B<preeditType:> I<style> 1069=item B<preeditType:> I<style>
999 1070
1000B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1071B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
1001 1072
1057 1128
1058=item B<secondaryScroll:> I<boolean> 1129=item B<secondaryScroll:> I<boolean>
1059 1130
1060Turn on/off secondary screen scroll (default enabled). If this 1131Turn on/off secondary screen scroll (default enabled). If this
1061option is enabled, scrolls on the secondary screen will change the 1132option is enabled, scrolls on the secondary screen will change the
1062scrollback buffer and switching to/from the secondary screen will 1133scrollback buffer and, when secondaryScreen is off, switching
1063instead scroll the screen up. 1134to/from the secondary screen will instead scroll the screen up.
1064 1135
1065=item B<hold>: I<boolean> 1136=item B<hold>: I<boolean>
1066 1137
1067Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1138Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1068will not immediately destroy its window when the program executed within 1139will not immediately destroy its window when the program executed within
1069it exits. Instead, it will wait till it is being killed or closed by the 1140it exits. Instead, it will wait till it is being killed or closed by the
1070user. 1141user.
1142
1143=item B<chdir>: I<path>
1144
1145Sets the working directory for the shell (or the command specified via
1146B<-e>). The I<path> must be an absolute path and it must exist for
1147@@RXVT_NAME@@ to start. If it isn't specified then the current working
1148directory will be used; option B<-cd>.
1071 1149
1072=item B<keysym.>I<sym>: I<string> 1150=item B<keysym.>I<sym>: I<string>
1073 1151
1074Compile I<frills>: Associate I<string> with keysym I<sym>. The 1152Compile I<frills>: Associate I<string> with keysym I<sym>. The
1075intervening resource name B<keysym.> cannot be omitted. 1153intervening resource name B<keysym.> cannot be omitted.
1090omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1168omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1091keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1169keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1092performed in an exact manner; however, the closest match is assured. 1170performed in an exact manner; however, the closest match is assured.
1093 1171
1094I<string> may contain escape values (C<\n>: newline, C<\000>: octal 1172I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1095number), see RESOURCES in C<man 7 X> for futher details. 1173number), see RESOURCES in C<man 7 X> for further details.
1096 1174
1097You can define a range of keysyms in one shot by providing a I<string> 1175You can define a range of keysyms in one shot by providing a I<string>
1098with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1176with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1099should be a character not used by the strings. 1177should be a character not used by the strings.
1100 1178
1114when Control-Meta-c is being pressed": 1192when Control-Meta-c is being pressed":
1115 1193
1116 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1194 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1117 1195
1118If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1196If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1119is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1197is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1120manpage. For example, the F<selection> extension (activated via 1198manpage. For example, the F<selection> extension (activated via
1121C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1199C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1122 1200
1123 URxvt.keysym.M-C-c: perl:selection:rot13 1201 URxvt.keysym.M-C-c: perl:selection:rot13
1124 1202
1125Due the the large number of modifier combinations, a defined key mapping 1203Due the the large number of modifier combinations, a defined key mapping
1126will match if at I<at least> the specified identifiers are being set, and 1204will match if I<at least> the specified identifiers are being set, and
1127no other key mappings with those and more bits are being defined. That 1205no other key mappings with those and more bits are being defined. That
1128means that defining a key map for C<a> will automatically provide 1206means that defining a key map for C<a> will automatically provide
1129definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1207definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1130mappings themselves. 1208mappings themselves.
1131 1209
1182all instances, while B<perl-ext> is used for specific instances. 1260all instances, while B<perl-ext> is used for specific instances.
1183 1261
1184=item B<perl-eval>: I<string> 1262=item B<perl-eval>: I<string>
1185 1263
1186Perl code to be evaluated when all extensions have been registered. See 1264Perl code to be evaluated when all extensions have been registered. See
1187the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1265the @@RXVT_NAME@@perl(3) manpage.
1188will be ignored when running setuid/setgid.
1189 1266
1190=item B<perl-lib>: I<path> 1267=item B<perl-lib>: I<path>
1191 1268
1192Colon-separated list of additional directories that hold extension 1269Colon-separated list of additional directories that hold extension
1193scripts. When looking for extensions specified by the C<perl> resource, 1270scripts. When looking for extensions specified by the C<perl> resource,
1194@@RXVT_NAME@@ will first look in these directories and then in 1271@@RXVT_NAME@@ will first look in these directories and then in
1195F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1272F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1196will be ignored when running setuid/setgid.
1197 1273
1198See the @@RXVT_NAME@@perl(3) manpage. 1274See the @@RXVT_NAME@@perl(3) manpage.
1199 1275
1200=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1276=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1201 1277
1223 1299
1224=item B<override-redirect>: I<boolean> 1300=item B<override-redirect>: I<boolean>
1225 1301
1226Compile I<frills>: Sets override-redirect for the terminal window, making 1302Compile I<frills>: Sets override-redirect for the terminal window, making
1227it almost invisible to window managers; option B<-override-redirect>. 1303it almost invisible to window managers; option B<-override-redirect>.
1304
1305=item B<iso14755:> I<boolean>
1306
1307Turn on/off ISO 14755 (default enabled).
1228 1308
1229=item B<iso14755_52:> I<boolean> 1309=item B<iso14755_52:> I<boolean>
1230 1310
1231Turn on/off ISO 14755 5.2 mode (default enabled). 1311Turn on/off ISO 14755 5.2 mode (default enabled).
1232 1312
1375B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1455B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1376it can be seen via the I<who(1)> command, and can accept messages. To 1456it can be seen via the I<who(1)> command, and can accept messages. To
1377allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1457allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1378on some systems or setgid to root or to some other group on others. 1458on some systems or setgid to root or to some other group on others.
1379 1459
1380=head1 COLORS AND GRAPHICS 1460=head1 COLOURS AND GRAPHICS
1381 1461
1382In addition to the default foreground and background colours, 1462In addition to the default foreground and background colours,
1383B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1463B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1384high-intensity bold/blink versions of the same). Here is a list of the 1464high-intensity (potentially bold/blink) versions of the same, and 72 (or
1385colours with their names. 1465240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1466cube plus a 8 (24) colour greyscale ramp.
1467
1468Here is a list of the ANSI colours with their names.
1386 1469
1387=begin table 1470=begin table
1388 1471
1389 B<color0> (black) = Black 1472 B<color0> (black) = Black
1390 B<color1> (red) = Red3 1473 B<color1> (red) = Red3
1410It is also possible to specify the colour values of B<foreground>, 1493It is also possible to specify the colour values of B<foreground>,
1411B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1494B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1412a number 0-15, as a convenient shorthand to reference the colour name of 1495a number 0-15, as a convenient shorthand to reference the colour name of
1413color0-color15. 1496color0-color15.
1414 1497
1415In addition to the colours defined above, @@RXVT_NAME@@ offers an 1498The following text gives values for the standard 88 colour mode (and
1416additional 72 colours. The first 64 of those (with indices 16 to 79) 1499values for the 256 colour mode in parentheses).
1417consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
141816>), followed by 8 additional shades of gray (with indices 80 to 87).
1419 1500
1501The RGB cube uses indices 16..79 (16..231) using the following formulas:
1502
1503 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1504 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1505
1506The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1507steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1508the RGB cube.
1509
1420Together, all those colours implement the 88 colour xterm colours. Only 1510Together, all those colours implement the 88 (256) colour xterm
1421the first 16 can be changed using resources currently, the rest can only 1511colours. Only the first 16 can be changed using resources currently, the
1422be changed via command sequences ("escape codes"). 1512rest can only be changed via command sequences ("escape codes").
1513
1514Applications are advised to use terminfo or command sequences to discover
1515number and RGB values of all colours (yes, you can query this...).
1423 1516
1424Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1517Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1425always swapping the foreground/background colours. This is in contrast to 1518always swapping the foreground/background colours. This is in contrast to
1426I<xterm>(1) where the colours are only swapped if they have not otherwise 1519I<xterm>(1) where the colours are only swapped if they have not otherwise
1427been specified. For example, 1520been specified. For example,
1428 1521
1429=over 4
1430
1431=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1522 @@RXVT_NAME@@ -fg Black -bg White -rv
1432 1523
1433would yield White on Black, while on I<xterm>(1) it would yield Black 1524would yield White on Black, while on I<xterm>(1) it would yield Black on
1434on White. 1525White.
1435
1436=back
1437 1526
1438=head2 ALPHA CHANNEL SUPPORT 1527=head2 ALPHA CHANNEL SUPPORT
1439 1528
1440If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1529If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1441their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1530their act together, rxvt-unicode will do it's own alpha channel management:
1442(recommended, but B<MUST> have 4 digits/component) colour specifications, 1531
1443in addition to the ones provided by X, where the additional A component 1532You can prefix any colour with an opaqueness percentage enclosed in
1533brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1534(0-100) that specifies the opacity of the colour, where C<0> is completely
1535transparent and C<100> is completely opaque. For example, C<[50]red> is a
1536half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1537is the recommended format to specify transparency values, and works with
1538all ways to specify a colour.
1539
1540For complete control, rxvt-unicode also supports
1541C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1542specifications, where the additional C<aaaa> component specifies opacity
1444specifies opacity (alpha) values. The minimum value of C<0> is completely 1543(alpha) values. The minimum value of C<0000> is completely transparent,
1445transparent). You can also prefix any color with C<[percent]>, where 1544while C<ffff> is completely opaque). The two example colours from
1446C<percent> is a decimal percentage (0-100) that specifies the opacity of 1545earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1447the color, where C<0> is completely transparent and C<100> is completelxy 1546C<rgba:0000/ff00/0000/f332>.
1448opaque.
1449 1547
1450You probably need to specify B<"-depth 32">, too, and have the luck that 1548You probably need to specify B<"-depth 32">, too, to force a visual with
1451your X-server uses ARGB pixel layout, as X is far from just supporting 1549alpha channels, and have the luck that your X-server uses ARGB pixel
1452ARGB visuals out of the box, and rxvt-unicode just fudges around. 1550layout, as X is far from just supporting ARGB visuals out of the box, and
1551rxvt-unicode just fudges around.
1453 1552
1454For example, the following selects an almost completely transparent red 1553For example, the following selects an almost completely transparent black
1455background, and an almost opaque pink foreground: 1554background, and an almost opaque pink foreground:
1456 1555
1457 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1556 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1458 1557
1459I<Please note that transparency of any kind if completely unsupported by 1558When not using a background image, then the interpretation of the
1460the author. Don't bug him with installation questions!> 1559alpha channel is up to your compositing manager (most interpret it as
1560transparency of course).
1561
1562When using a background pixmap or pseudo-transparency, then the background
1563colour will always behave as if it were completely transparent (so the
1564background image shows instead), regardless of how it was specified, while
1565other colours will either be transparent as specified (the background
1566image will show through) on servers supporting the RENDER extension, or
1567fully opaque on servers not supporting the RENDER EXTENSION.
1568
1569Please note that due to bugs in Xft, specifying alpha values might result
1570in garbage being displayed when the X-server does not support the RENDER
1571extension.
1461 1572
1462=head1 ENVIRONMENT 1573=head1 ENVIRONMENT
1463 1574
1464B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1575B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1465 1576
1471resources or on the command line. 1582resources or on the command line.
1472 1583
1473=item B<COLORTERM> 1584=item B<COLORTERM>
1474 1585
1475Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1586Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1476compiled with background image support, and optionally with the added 1587compiled with background image support, and optionally with the added
1477extension C<-mono> to indicate that rxvt-unicode runs on a monochrome 1588extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1478screen. 1589screen.
1479 1590
1480=item B<COLORFGBG> 1591=item B<COLORFGBG>
1481 1592
1482Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1593Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1483the colour code used as default foreground/text colour (or the string 1594the colour code used as default foreground/text colour (or the string
1484C<default> to indicate that the default-colour escape sequence is to be 1595C<default> to indicate that the default-colour escape sequence is to be
1485used), C<bg> is the colour code used as default background colour (or the 1596used), C<bg> is the colour code used as default background colour (or the
1486string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1597string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1487was compiled with background image support. Libraries like C<ncurses> 1598was compiled with background image support. Libraries like C<ncurses>
1488and C<slang> can (and do) use this information to optimize screen output. 1599and C<slang> can (and do) use this information to optimize screen output.
1489 1600
1490=item B<WINDOWID> 1601=item B<WINDOWID>
1491 1602
1492Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1603Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1499C<--with-terminfo=PATH>. 1610C<--with-terminfo=PATH>.
1500 1611
1501=item B<DISPLAY> 1612=item B<DISPLAY>
1502 1613
1503Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1614Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1504display in its child processes. 1615display in its child processes if C<-display> isn't used to override. It
1616defaults to C<:0> if it doesn't exist.
1505 1617
1506=item B<SHELL> 1618=item B<SHELL>
1507 1619
1508The shell to be used for command execution, defaults to C</bin/sh>. 1620The shell to be used for command execution, defaults to C</bin/sh>.
1509 1621
1535 1647
1536=over 4 1648=over 4
1537 1649
1538=item B</usr/lib/X11/rgb.txt> 1650=item B</usr/lib/X11/rgb.txt>
1539 1651
1540Color names. 1652Colour names.
1541 1653
1542=back 1654=back
1543 1655
1544=head1 SEE ALSO 1656=head1 SEE ALSO
1545 1657
1584Project Coordinator (changes.txt 2.21a to 2.4.5) 1696Project Coordinator (changes.txt 2.21a to 2.4.5)
1585 1697
1586=item Geoff Wing L<< <gcw@pobox.com> >> 1698=item Geoff Wing L<< <gcw@pobox.com> >>
1587 1699
1588Rewrote screen display and text selection routines. 1700Rewrote screen display and text selection routines.
1589 1701
1590Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1702Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1591 1703
1592=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1704=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1593 1705
1594Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1706Forked rxvt-unicode, unicode support, rewrote almost all the code, perl

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