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Revision 1.143 by ayin, Sat Nov 10 09:40:51 2007 UTC vs.
Revision 1.220 by root, Fri Sep 21 23:31:43 2012 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<frills>: 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
111=item B<-visual> I<visualID>
112
113Compile I<frills>: Use the given visual (see e.g. C<xdpyinfo> for possible
114visual ids).
115
103=item B<-geometry> I<geom> 116=item B<-geometry> I<geom>
104 117
105Window geometry (B<-g> still respected); resource B<geometry>. 118Window geometry (B<-g> still respected); resource B<geometry>.
106 119
107=item B<-rv>|B<+rv> 120=item B<-rv>|B<+rv>
116 129
117Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>. 130Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118 131
119=item B<-tr>|B<+tr> 132=item B<-tr>|B<+tr>
120 133
121Turn on/off illusion of a transparent window background. Obsolete form of it is 134Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
122B<-ip> and it should not be used anymore; resource B<transparent>.
123 135
124I<Please note that old resource name of B<inheritPixmap> is obsolete and should be 136B<-ip> is still accepted as an obsolete alias but will be removed in
125changed to B<transparent>. Backwards compatibility support for B<inheritPixmap> will 137future versions.
126be phased out in future versions of rxvt!>
127
128I<Please address all transparency related issues to Sasha Vasko at
129sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
130 138
131=item B<-fade> I<number> 139=item B<-fade> I<number>
132 140
133Fade the text by the given percentage when focus is lost. Small values 141Fade the text by the given percentage when focus is lost. Small values
134fade a little only, 100 completely replaces all colours by the fade 142fade a little only, 100 completely replaces all colours by the fade
139Fade to this colour when fading is used (see B<-fade>). The default colour 147Fade to this colour when fading is used (see B<-fade>). The default colour
140is opaque black. resource B<fadeColor>. 148is opaque black. resource B<fadeColor>.
141 149
142=item B<-tint> I<colour> 150=item B<-tint> I<colour>
143 151
144Tint the transparent background pixmap with the given colour when 152Tint the transparent background with the given colour;
145transparency is enabled with B<-tr>. This only works for 153resource I<tintColor>.
146non-tiled backgrounds, currently. See also the B<-sh> option that can be
147used to brighten or darken the image in addition to tinting it.
148Please note that certain tint colours can be applied on the server-side,
149thus yielding performance gain of two orders of magnitude. These colours are:
150blue, red, green, cyan, magenta, yellow, and those close to them. Also
151pure black and pure white colors essentially mean no tinting; resource
152I<tintColor>. Example:
153
154 @@RXVT_NAME@@ -tr -tint blue -sh 40
155 154
156=item B<-sh> I<number> 155=item B<-sh> I<number>
157 156
158Darken (0 .. 100) or lighten (100 .. 200) the transparent 157Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
159background image in addition to (or instead of) tinting it; 158A value of 100 means no shading; resource I<shading>.
160resource I<shading>.
161
162=item B<-blt> I<string>
163
164Specify background blending type. If background pixmap is specified
165at the same time as transparency - such pixmap will be blended over
166transparency image, using method specified. Supported values are :
167B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
168B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
169B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
170alpha-blending. Compile I<afterimage>; resource I<blendType>.
171 159
172=item B<-blr> I<HxV> 160=item B<-blr> I<HxV>
173 161
174Apply Gaussian Blur with the specified radii to the transparent 162Apply Gaussian Blur with the specified radii to the transparent
175background image. If single number is specified - both vertical and 163background. If a single number is specified, the vertical and
176horizontal radii are considered to be the same. Setting one of the 164horizontal radii are considered to be the same. Setting one of the
177radii to 1 and another to a large number creates interesting effects 165radii to 1 and the other to a large number creates interesting effects
178on some backgrounds. Maximum radius value is 128. Compile I<afterimage>; 166on some backgrounds. The maximum radius value is 128. An horizontal or
167vertical radius of 0 disables blurring;
179resource I<blurRadius>. 168resource I<blurRadius>.
180 169
170=item B<-icon> I<file>
171
172Compile I<pixbuf>: Use the specified image as application icon. This
173is used by many window managers, taskbars and pagers to represent the
174application window; resource I<iconFile>.
175
181=item B<-bg> I<colour> 176=item B<-bg> I<colour>
182 177
183Window background colour; resource B<background>. 178Window background colour; resource B<background>.
184 179
185=item B<-fg> I<colour> 180=item B<-fg> I<colour>
186 181
187Window foreground colour; resource B<foreground>. 182Window foreground colour; resource B<foreground>.
188 183
189=item B<-pixmap> I<file[;geom]> 184=item B<-pixmap> I<file[;oplist]>
190 185
191Compile I<afterimage>: Specify image file for the background and also 186Compile I<pixbuf>: Specify image file for the background and also
192optionally specify its scaling with a geometry string. Note you may need to 187optionally specify a list of operations to modify it. Note you may need to
193add quotes to avoid special shell interpretation of the C<;> in the 188add quotes to avoid special shell interpretation of the C<;> in the
194command-line; for more details see resource B<backgroundPixmap>. 189command-line; for more details see resource B<backgroundPixmap>.
195 190
196=item B<-cr> I<colour> 191=item B<-cr> I<colour>
197 192
244italic> >> characters are to be printed. See resource B<boldItalicFont> 239italic> >> characters are to be printed. See resource B<boldItalicFont>
245for details. 240for details.
246 241
247=item B<-is>|B<+is> 242=item B<-is>|B<+is>
248 243
249Compile I<font-styles>: Bold/Italic font styles imply high intensity 244Compile I<font-styles>: Bold/Blink font styles imply high intensity
250foreground/background (default). See resource B<intensityStyles> for 245foreground/background (default). See resource B<intensityStyles> for
251details. 246details.
252 247
253=item B<-name> I<name> 248=item B<-name> I<name>
254 249
272 267
273=item B<-sb>|B<+sb> 268=item B<-sb>|B<+sb>
274 269
275Turn on/off scrollbar; resource B<scrollBar>. 270Turn on/off scrollbar; resource B<scrollBar>.
276 271
272=item B<-sr>|B<+sr>
273
274Put scrollbar on right/left; resource B<scrollBar_right>.
275
276=item B<-st>|B<+st>
277
278Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
279resource B<scrollBar_floating>.
280
277=item B<-si>|B<+si> 281=item B<-si>|B<+si>
278 282
279Turn on/off scroll-to-bottom on TTY output inhibit; resource 283Turn on/off scroll-to-bottom on TTY output inhibit; resource
280B<scrollTtyOutput> has opposite effect. 284B<scrollTtyOutput> has opposite effect.
281 285
287=item B<-sw>|B<+sw> 291=item B<-sw>|B<+sw>
288 292
289Turn on/off scrolling with the scrollback buffer as new lines appear. 293Turn on/off scrolling with the scrollback buffer as new lines appear.
290This only takes effect if B<-si> is also given; resource 294This only takes effect if B<-si> is also given; resource
291B<scrollWithBuffer>. 295B<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>.
301 296
302=item B<-ptab>|B<+ptab> 297=item B<-ptab>|B<+ptab>
303 298
304If enabled (default), "Horizontal Tab" characters are being stored as 299If enabled (default), "Horizontal Tab" characters are being stored as
305actual wide characters in the screen buffer, which makes it possible to 300actual wide characters in the screen buffer, which makes it possible to
309 304
310=item B<-bc>|B<+bc> 305=item B<-bc>|B<+bc>
311 306
312Blink the cursor; resource B<cursorBlink>. 307Blink the cursor; resource B<cursorBlink>.
313 308
309=item B<-uc>|B<+uc>
310
311Make the cursor underlined; resource B<cursorUnderline>.
312
314=item B<-iconic> 313=item B<-iconic>
315 314
316Start iconified, if the window manager supports that option. 315Start iconified, if the window manager supports that option.
317Alternative form is B<-ic>. 316Alternative form is B<-ic>.
318 317
334 333
335=item B<-bl> 334=item B<-bl>
336 335
337Compile I<frills>: Set MWM hints to request a borderless window, i.e. 336Compile 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 337if honoured by the WM, the rxvt-unicode window will not have window
339decorations; resource B<borderLess>. 338decorations; resource B<borderLess>. If the window manager does not
339support MWM hints (e.g. kwin), enables override-redirect mode.
340 340
341=item B<-override-redirect> 341=item B<-override-redirect>
342 342
343Compile I<frills>: Sets override-redirect on the window; resource 343Compile I<frills>: Sets override-redirect on the window; resource
344B<override-redirect>. 344B<override-redirect>.
353=item B<-lsp> I<number> 353=item B<-lsp> I<number>
354 354
355Compile I<frills>: Lines (pixel height) to insert between each row of 355Compile I<frills>: Lines (pixel height) to insert between each row of
356the display. Useful to work around font rendering problems; resource 356the display. Useful to work around font rendering problems; resource
357B<lineSpace>. 357B<lineSpace>.
358
359=item B<-letsp> I<number>
360
361Compile I<frills>: Amount to adjust the computed character width by
362to control overall letter spacing. Negative values will tighten up the
363letter spacing, positive values will space letters out more. Useful to
364work around odd font metrics; resource B<letterSpace>.
358 365
359=item B<-tn> I<termname> 366=item B<-tn> I<termname>
360 367
361This option specifies the name of the terminal type to be set in the 368This option specifies the name of the terminal type to be set in the
362B<TERM> environment variable. This terminal type must exist in the 369B<TERM> environment variable. This terminal type must exist in the
417 424
418=item B<-tcw> 425=item B<-tcw>
419 426
420Change the meaning of triple-click selection with the left mouse 427Change the meaning of triple-click selection with the left mouse
421button. Only effective when the original (non-perl) selection code is 428button. Only effective when the original (non-perl) selection code is
422in-use. Instead of selecting a full line it will extend the selection the 429in-use. Instead of selecting a full line it will extend the selection to
423end of the logical line only. resource B<tripleclickwords>. 430the end of the logical line only. resource B<tripleclickwords>.
424 431
425=item B<-insecure> 432=item B<-insecure>
426 433
427Enable "insecure" mode, which currently enables most of the escape 434Enable "insecure" mode, which currently enables most of the escape
428sequences that echo strings. See the resource B<insecure> for more 435sequences that echo strings. See the resource B<insecure> for more
448 455
449Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 456Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
450will not immediately destroy its window when the program executed within 457will 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 458it exits. Instead, it will wait till it is being killed or closed by the
452user; 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>.
466
467=item B<-xrm> I<string>
468
469Works like the X Toolkit option of the same name, by adding the I<string>
470as if it were specified in a resource file. Resource values specified this
471way take precedence over all other resource specifications.
472
473Note that you need to use the I<same> syntax as in the .Xdefaults file,
474e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
475options can be specified as long-options on the commandline, so use
476of B<-xrm> is mostly limited to cases where you want to specify other
477resources (e.g. for input methods) or for compatibility with other
478programs.
453 479
454=item B<-keysym.>I<sym> I<string> 480=item B<-keysym.>I<sym> I<string>
455 481
456Remap a key symbol. See resource B<keysym>. 482Remap a key symbol. See resource B<keysym>.
457 483
492If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 518If 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 519entries and will not tinker with pty/tty permissions - you have to do that
494yourself if you want that. 520yourself if you want that.
495 521
496As an extremely special case, specifying C<-1> will completely suppress 522As an extremely special case, specifying C<-1> will completely suppress
497pty/tty operations. 523pty/tty operations, which is probably only useful in conjunction with some
524perl extension that manages the terminal.
498 525
499Here is a example in perl that illustrates how this option can be used (a 526Here is a example in perl that illustrates how this option can be used (a
500longer example is in F<doc/pty-fd>): 527longer example is in F<doc/pty-fd>):
501 528
502 use IO::Pty; 529 use IO::Pty;
516Comma-separated list of perl extension scripts to use (or not to use) in 543Comma-separated list of perl extension scripts to use (or not to use) in
517this terminal instance. See resource B<perl-ext> for details. 544this terminal instance. See resource B<perl-ext> for details.
518 545
519=back 546=back
520 547
521=head1 RESOURCES (available also as long-options) 548=head1 RESOURCES
522 549
523Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 550Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
524options) compiled into your version. 551options) compiled into your version. All resources are also available as
552long-options.
525 553
526You can set and change the resources using X11 tools like B<xrdb>. Many 554You 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 555distribution do also load settings from the B<~/.Xresources> file when X
528starts. @@RXVT_NAME@@ will consult the following files/resources in order, 556starts. @@RXVT_NAME@@ will consult the following files/resources in order,
529with later settings overwriting earlier ones: 557with later settings overwriting earlier ones:
530 558
531 1. system-wide app-defaults file, either locale-dependent OR global
532 2. app-defaults file in $XAPPLRESDIR 559 1. app-defaults file in $XAPPLRESDIR
560 2. $HOME/.Xdefaults
533 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 561 3. RESOURCE_MANAGER property on root-window of screen 0
534 4. SCREEN_RESOURCES for the current screen 562 4. SCREEN_RESOURCES property on root-window of the current screen
535 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 563 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
564 6. resources specified via -xrm on the commandline
536 565
537Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 566Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
538names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 567names: 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 568common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
540configured, while the class name B<URxvt> allows resources unique to 569configured, while the class name B<URxvt> allows resources unique to
550=item B<depth:> I<bitdepth> 579=item B<depth:> I<bitdepth>
551 580
552Compile 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;
553option B<-depth>. 582option B<-depth>.
554 583
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
555=item B<geometry:> I<geom> 591=item B<geometry:> I<geom>
556 592
557Create the window with the specified X window geometry [default 80x24]; 593Create the window with the specified X window geometry [default 80x24];
558option B<-geometry>. 594option B<-geometry>.
559 595
572Use the specified colour for the colour value I<n>, where 0-7 608Use the specified colour for the colour value I<n>, where 0-7
573corresponds to low-intensity (normal) colours and 8-15 corresponds to 609corresponds to low-intensity (normal) colours and 8-15 corresponds to
574high-intensity (bold = bright foreground, blink = bright background) 610high-intensity (bold = bright foreground, blink = bright background)
575colours. The canonical names are as follows: 0=black, 1=red, 2=green, 611colours. 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 6123=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
577names used are listed in the B<COLORS AND GRAPHICS> section. 613names used are listed in the B<COLOURS AND GRAPHICS> section.
578 614
579Colours higher than 15 cannot be set using resources (yet), but can be 615Colours higher than 15 cannot be set using resources (yet), but can be
580changed using an escape command (see @@RXVT_NAME@@(7)). 616changed using an escape command (see @@RXVT_NAME@@(7)).
581 617
582Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 618Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
593=item B<colorUL:> I<colour> 629=item B<colorUL:> I<colour>
594 630
595Use the specified colour to display underlined characters when the 631Use the specified colour to display underlined characters when the
596foreground colour is the default. 632foreground colour is the default.
597 633
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> 634=item B<underlineColor:> I<colour>
604 635
605If set, use the specified colour as the colour for the underline 636If set, use the specified colour as the colour for the underline
606itself. If unset, use the foreground colour. 637itself. If unset, use the foreground colour.
638
639=item B<highlightColor:> I<colour>
640
641If set, use the specified colour as the background for highlighted
642characters. If unset, use reverse video.
643
644=item B<highlightTextColor:> I<colour>
645
646If set and highlightColor is set, use the specified colour as the
647foreground for highlighted characters.
607 648
608=item B<cursorColor:> I<colour> 649=item B<cursorColor:> I<colour>
609 650
610Use the specified colour for the cursor. The default is to use the 651Use the specified colour for the cursor. The default is to use the
611foreground colour; option B<-cr>. 652foreground colour; option B<-cr>.
618 659
619=item B<reverseVideo:> I<boolean> 660=item B<reverseVideo:> I<boolean>
620 661
621B<True>: simulate reverse video by foreground and background colours; 662B<True>: simulate reverse video by foreground and background colours;
622option B<-rv>. B<False>: regular screen colours [default]; option 663option B<-rv>. B<False>: regular screen colours [default]; option
623B<+rv>. See note in B<COLORS AND GRAPHICS> section. 664B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
624 665
625=item B<jumpScroll:> I<boolean> 666=item B<jumpScroll:> I<boolean>
626 667
627B<True>: specify that jump scrolling should be used. When receiving lots 668B<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 669of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
642 683
643B<False>: specify that everything is to be displayed, even 684B<False>: specify that everything is to be displayed, even
644if the refresh is too fast for the human eye to read anything (or the 685if the refresh is too fast for the human eye to read anything (or the
645monitor to display anything); option B<+ss>. 686monitor to display anything); option B<+ss>.
646 687
647=item B<inheritPixmap:> I<boolean> 688=item B<transparent:> I<boolean>
648 689
649B<True>: make the background inherit the parent windows' pixmap, giving 690Turn on/off pseudo-transparency by using the root pixmap as background.
650artificial transparency. B<False>: do not inherit the parent windows'
651pixmap.
652 691
653I<Please note that transparency of any kind if completely unsupported by 692B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
654the author. Don't bug him with installation questions!> 693future versions.
655 694
656=item B<fading:> I<number> 695=item B<fading:> I<number>
657 696
658Fade the text by the given percentage when focus is lost; option B<-fade>. 697Fade the text by the given percentage when focus is lost; option B<-fade>.
659 698
662Fade to this colour, when fading is used (see B<fading:>). The default 701Fade to this colour, when fading is used (see B<fading:>). The default
663colour is black; option B<-fadecolor>. 702colour is black; option B<-fadecolor>.
664 703
665=item B<tintColor:> I<colour> 704=item B<tintColor:> I<colour>
666 705
667Tint the transparent background pixmap with the given colour; option 706Tint the transparent background with the given colour. If the RENDER
668B<-tint>. 707extension is not available only black, red, green, yellow, blue,
708magenta, cyan and white tints can be performed server-side. Note that
709a black tint yields a completely black image while a white tint yields
710the image unchanged; option B<-tint>.
669 711
670=item B<shading:> I<number> 712=item B<shading:> I<number>
671 713
672Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 714Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
673in addition to tinting it; option B<-sh>. 715A value of 100 means no shading; option B<-sh>.
674
675=item B<blendType:> I<string>
676
677Specify background blending type; option B<-blt>.
678 716
679=item B<blurRadius:> I<number> 717=item B<blurRadius:> I<number>
680 718
681Apply Gaussian Blurr with the specified radius to the transparent 719Apply gaussian blur with the specified radius to the transparent
682background image; option B<-blr>. 720background; option B<-blr>.
721
722=item B<iconFile:> I<file>
723
724Set the application icon pixmap; option B<-icon>.
683 725
684=item B<scrollColor:> I<colour> 726=item B<scrollColor:> I<colour>
685 727
686Use the specified colour for the scrollbar [default #B2B2B2]. 728Use the specified colour for the scrollbar [default #B2B2B2].
687 729
693=item B<borderColor:> I<colour> 735=item B<borderColor:> I<colour>
694 736
695The colour of the border around the text area and between the scrollbar 737The colour of the border around the text area and between the scrollbar
696and the text. 738and the text.
697 739
698=item B<backgroundPixmap:> I<file[;geom]> 740=item B<backgroundPixmap:> I<file[;oplist]>
699 741
700Use the specified image file for the background and also optionally 742Use the specified image file for the background and also
701specify its scaling with a geometry string B<WxH+X+Y>, 743optionally specify a colon separated list of operations to modify it.
702in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 744Supported operations are:
745
746=over 4
747
748=item B<WxH+X+Y>
749
750sets scale and position. B<"W" / "H"> specify the horizontal/vertical
703and B<"X" / "Y"> locate the image centre (percent). 751scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
704A scale of 0 displays the image with tiling. A scale of 1 displays the 752scale of 0 disables scaling.
705image without any scaling. A scale of 2 to 9 specifies an integer 753
706number of images in that direction. No image will be magnified beyond 754=item B<op=tile>
70710 times its original size. The maximum permitted scale is 1000. 755
708Special string of B<"auto"> used as a geometry will cause image to be 756enables tiling
709automatically scaled to match window size. 757
758=item B<op=keep-aspect>
759
760maintain the image aspect ratio when scaling
761
762=item B<op=root-align>
763
764use the position of the terminal window relative to the root window as
765the image offset, simulating a root window background
766
767=back
768
769The default scale and position setting is C<100x100+50+50>.
770Alternatively, a predefined set of templates can be used to achieve
771the most common setups:
772
773=over 4
774
775=item B<style=tiled>
776
777the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
778
779=item B<style=aspect-stretched>
780
781the image is scaled to fill the whole window maintaining the aspect
782ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
783
784=item B<style=stretched>
785
786the image is scaled to fill the whole window. Equivalent to 100x100
787
788=item B<style=centered>
789
790the image is centered with no scaling. Equivalent to 0x0+50+50
791
792=item B<style=root-tiled>
793
794the image is tiled with no scaling and using 'root' positioning.
795Equivalent to 0x0:op=tile:op=root-align
796
797=back
798
799If multiple templates are specified the last one wins. Note that a
800template overrides all the scale, position and operations settings.
801
710If used in conjunction with B<-tr> option - specified pixmap will be 802If used in conjunction with B<-tr> option, the specified pixmap will be
711blended over transparency image using either alpha-blending, or any 803blended over the transparent background using alpha-blending.
712other blending type, specified with B<-blt "type"> option.
713[default 0x0+50+50]
714 804
715=item B<path:> I<path> 805=item B<path:> I<path>
716 806
717Specify the colon-delimited search path for finding background image files. 807Specify the colon-delimited search path for finding background image files.
718 808
745it is named first) and thus defines the character cell grid to be 9 pixels 835it is named first) and thus defines the character cell grid to be 9 pixels
746wide and 15 pixels high. 836wide and 15 pixels high.
747 837
748The second font is just used to add additional unicode characters not in 838The second font is just used to add additional unicode characters not in
749the base font, likewise the third, which is unfortunately non-bold, but 839the 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 840the bold version of the font does contain fewer characters, so this is a
751useful supplement. 841useful supplement.
752 842
753The third font is an Xft font with aliasing turned off, and the characters 843The 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 844are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
755contains other characters, but we are not interested in them. 845contains other characters, but we are not interested in them.
779text font will being used for the given style. 869text font will being used for the given style.
780 870
781=item B<intensityStyles:> I<boolean> 871=item B<intensityStyles:> I<boolean>
782 872
783When font styles are not enabled, or this option is enabled (B<True>, 873When font styles are not enabled, or this option is enabled (B<True>,
784option B<-is>, the default), bold and italic font styles imply high 874option B<-is>, the default), bold/blink font styles imply high
785intensity foreground/background colours. Disabling this option (B<False>, 875intensity foreground/background colours. Disabling this option (B<False>,
786option B<+is>) disables this behaviour, the high intensity colours are not 876option B<+is>) disables this behaviour, the high intensity colours are not
787reachable. 877reachable.
788 878
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> 879=item B<title:> I<string>
802 880
803Set window title string, the default title is the command-line 881Set window title string, the default title is the command-line
804specified after the B<-e> option, if any, otherwise the application 882specified after the B<-e> option, if any, otherwise the application
805name; option B<-title>. 883name; option B<-title>.
818=item B<urgentOnBell:> I<boolean> 896=item B<urgentOnBell:> I<boolean>
819 897
820B<True>: set the urgency hint for the wm on receipt of a bell character. 898B<True>: set the urgency hint for the wm on receipt of a bell character.
821B<False>: do not set the urgency hint [default]. 899B<False>: do not set the urgency hint [default].
822 900
901@@RXVT_NAME@@ resets the urgency hint on every focus change.
902
823=item B<visualBell:> I<boolean> 903=item B<visualBell:> I<boolean>
824 904
825B<True>: use visual bell on receipt of a bell character; option B<-vb>. 905B<True>: use visual bell on receipt of a bell character; option B<-vb>.
826B<False>: no visual bell [default]; option B<+vb>. 906B<False>: no visual bell [default]; option B<+vb>.
827 907
850 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 930 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
851 931
852This creates a new file in your home directory with the screen contents 932This creates a new file in your home directory with the screen contents
853every time you hit C<Print>. 933every time you hit C<Print>.
854 934
935=item B<scrollstyle:> I<mode>
936
937Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
938the author's favourite.
939
940=item B<thickness:> I<number>
941
942Set the scrollbar width in pixels.
943
855=item B<scrollBar:> I<boolean> 944=item B<scrollBar:> I<boolean>
856 945
857B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 946B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
858disable the scrollbar; option B<+sb>. 947disable the scrollbar; option B<+sb>.
859 948
878B<False>: do not scroll to bottom when tty receives output; option 967B<False>: do not scroll to bottom when tty receives output; option
879B<+si>. 968B<+si>.
880 969
881=item B<scrollWithBuffer:> I<boolean> 970=item B<scrollWithBuffer:> I<boolean>
882 971
883B<True>: scroll with scrollback buffer when tty receives new lines (and 972B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
884B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 973try to show the same lines) and B<scrollTtyOutput> is False; option
885with scrollback buffer when tty receives new lines; option B<+sw>. 974B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
975new lines; option B<+sw>.
886 976
887=item B<scrollTtyKeypress:> I<boolean> 977=item B<scrollTtyKeypress:> I<boolean>
888 978
889B<True>: scroll to bottom when a non-special key is pressed. Special keys 979B<True>: scroll to bottom when a non-special key is pressed. Special keys
890are those which are intercepted by rxvt-unicode for special handling and 980are those which are intercepted by rxvt-unicode for special handling and
946=item B<cursorBlink:> I<boolean> 1036=item B<cursorBlink:> I<boolean>
947 1037
948B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1038B<True>: blink the cursor. B<False>: do not blink the cursor [default];
949option B<-bc>. 1039option B<-bc>.
950 1040
1041=item B<cursorUnderline:> I<boolean>
1042
1043B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1044option B<-uc>.
1045
951=item B<pointerBlank:> I<boolean> 1046=item B<pointerBlank:> I<boolean>
952 1047
953B<True>: blank the pointer when a key is pressed or after a set number 1048B<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 1049of seconds of inactivity. B<False>: the pointer is always visible
955[default]. 1050[default].
968large number (e.g. C<987654321>) to effectively disable the timeout. 1063large number (e.g. C<987654321>) to effectively disable the timeout.
969 1064
970=item B<backspacekey:> I<string> 1065=item B<backspacekey:> I<string>
971 1066
972The string to send when the backspace key is pressed. If set to B<DEC> 1067The 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> 1068or 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 1069(code 8) - which can be reversed with the appropriate DEC private mode
975escape sequence. 1070escape sequence.
976 1071
977=item B<deletekey:> I<string> 1072=item B<deletekey:> I<string>
978 1073
991will be created). In this mode, characters outside ISO-8859-1 can be used. 1086will be created). In this mode, characters outside ISO-8859-1 can be used.
992 1087
993When the selection extension is not used, only ISO-8859-1 characters can 1088When the selection extension is not used, only ISO-8859-1 characters can
994be used. If not specified, the built-in default is used: 1089be used. If not specified, the built-in default is used:
995 1090
996B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1091B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
997 1092
998=item B<preeditType:> I<style> 1093=item B<preeditType:> I<style>
999 1094
1000B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1095B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
1001 1096
1057 1152
1058=item B<secondaryScroll:> I<boolean> 1153=item B<secondaryScroll:> I<boolean>
1059 1154
1060Turn on/off secondary screen scroll (default enabled). If this 1155Turn on/off secondary screen scroll (default enabled). If this
1061option is enabled, scrolls on the secondary screen will change the 1156option is enabled, scrolls on the secondary screen will change the
1062scrollback buffer and switching to/from the secondary screen will 1157scrollback buffer and, when secondaryScreen is off, switching
1063instead scroll the screen up. 1158to/from the secondary screen will instead scroll the screen up.
1064 1159
1065=item B<hold>: I<boolean> 1160=item B<hold>: I<boolean>
1066 1161
1067Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1162Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1068will not immediately destroy its window when the program executed within 1163will 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 1164it exits. Instead, it will wait till it is being killed or closed by the
1070user. 1165user.
1166
1167=item B<chdir>: I<path>
1168
1169Sets the working directory for the shell (or the command specified via
1170B<-e>). The I<path> must be an absolute path and it must exist for
1171@@RXVT_NAME@@ to start. If it isn't specified then the current working
1172directory will be used; option B<-cd>.
1071 1173
1072=item B<keysym.>I<sym>: I<string> 1174=item B<keysym.>I<sym>: I<string>
1073 1175
1074Compile I<frills>: Associate I<string> with keysym I<sym>. The 1176Compile I<frills>: Associate I<string> with keysym I<sym>. The
1075intervening resource name B<keysym.> cannot be omitted. 1177intervening resource name B<keysym.> cannot be omitted.
1090omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1192omitting 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 1193keysym 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. 1194performed in an exact manner; however, the closest match is assured.
1093 1195
1094I<string> may contain escape values (C<\n>: newline, C<\000>: octal 1196I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1095number), see RESOURCES in C<man 7 X> for futher details. 1197number), see RESOURCES in C<man 7 X> for further details.
1096 1198
1097You can define a range of keysyms in one shot by providing a I<string> 1199You can define a range of keysyms in one shot by
1200loading the C<keysym-list> perl extension and providing a I<string>
1098with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1201with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1099should be a character not used by the strings. 1202should be a character not used by the strings.
1100 1203
1101Its usage can be demonstrated by an example: 1204Its usage can be demonstrated by an example:
1102 1205
1103 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1206 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1104 1207
1105The above line is equivalent to the following three lines: 1208The above line is equivalent to the following three lines:
1106 1209
1107 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1210 URxvt.keysym.Meta-Control-0x61: \033<a>
1108 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1211 URxvt.keysym.Meta-Control-0x62: \033<b>
1109 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1212 URxvt.keysym.Meta-Control-0x63: \033<c>
1110 1213
1111If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1214If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1112is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1215is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1113example the following means "change the current locale to C<zh_CN.GBK> 1216example the following means "change the current locale to C<zh_CN.GBK>
1114when Control-Meta-c is being pressed": 1217when Control-Meta-c is being pressed":
1115 1218
1116 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1219 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1117 1220
1118If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1221If 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) 1222is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1120manpage. For example, the F<selection> extension (activated via 1223manpage. For example, the F<selection> extension (activated via
1121C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1224C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1122 1225
1123 URxvt.keysym.M-C-c: perl:selection:rot13 1226 URxvt.keysym.M-C-c: perl:selection:rot13
1124 1227
1125Due the the large number of modifier combinations, a defined key mapping 1228Due 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 1229will 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 1230no other key mappings with those and more bits are being defined. That
1128means that defining a key map for C<a> will automatically provide 1231means 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 1232definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1130mappings themselves. 1233mappings themselves.
1131 1234
1182all instances, while B<perl-ext> is used for specific instances. 1285all instances, while B<perl-ext> is used for specific instances.
1183 1286
1184=item B<perl-eval>: I<string> 1287=item B<perl-eval>: I<string>
1185 1288
1186Perl code to be evaluated when all extensions have been registered. See 1289Perl code to be evaluated when all extensions have been registered. See
1187the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1290the @@RXVT_NAME@@perl(3) manpage.
1188will be ignored when running setuid/setgid.
1189 1291
1190=item B<perl-lib>: I<path> 1292=item B<perl-lib>: I<path>
1191 1293
1192Colon-separated list of additional directories that hold extension 1294Colon-separated list of additional directories that hold extension
1193scripts. When looking for extensions specified by the C<perl> resource, 1295scripts. When looking for perl extensions, @@RXVT_NAME@@ will first look
1194@@RXVT_NAME@@ will first look in these directories and then in 1296in these directories, then in C<$URXVT_PERL_LIB>, F<$HOME/.urxvt/ext> and
1195F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1297lastly in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1196will be ignored when running setuid/setgid.
1197 1298
1198See the @@RXVT_NAME@@perl(3) manpage. 1299See the @@RXVT_NAME@@perl(3) manpage.
1199 1300
1200=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1301=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1201 1302
1223 1324
1224=item B<override-redirect>: I<boolean> 1325=item B<override-redirect>: I<boolean>
1225 1326
1226Compile I<frills>: Sets override-redirect for the terminal window, making 1327Compile I<frills>: Sets override-redirect for the terminal window, making
1227it almost invisible to window managers; option B<-override-redirect>. 1328it almost invisible to window managers; option B<-override-redirect>.
1329
1330=item B<iso14755:> I<boolean>
1331
1332Turn on/off ISO 14755 (default enabled).
1228 1333
1229=item B<iso14755_52:> I<boolean> 1334=item B<iso14755_52:> I<boolean>
1230 1335
1231Turn on/off ISO 14755 5.2 mode (default enabled). 1336Turn on/off ISO 14755 5.2 mode (default enabled).
1232 1337
1375B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1480B<@@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 1481it 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 1482allow 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. 1483on some systems or setgid to root or to some other group on others.
1379 1484
1380=head1 COLORS AND GRAPHICS 1485=head1 COLOURS AND GRAPHICS
1381 1486
1382In addition to the default foreground and background colours, 1487In addition to the default foreground and background colours,
1383B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1488B<@@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 1489high-intensity (potentially bold/blink) versions of the same, and 72 (or
1385colours with their names. 1490240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1491cube plus a 8 (24) colour greyscale ramp.
1492
1493Here is a list of the ANSI colours with their names.
1386 1494
1387=begin table 1495=begin table
1388 1496
1389 B<color0> (black) = Black 1497 B<color0> (black) = Black
1390 B<color1> (red) = Red3 1498 B<color1> (red) = Red3
1410It is also possible to specify the colour values of B<foreground>, 1518It is also possible to specify the colour values of B<foreground>,
1411B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1519B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1412a number 0-15, as a convenient shorthand to reference the colour name of 1520a number 0-15, as a convenient shorthand to reference the colour name of
1413color0-color15. 1521color0-color15.
1414 1522
1415In addition to the colours defined above, @@RXVT_NAME@@ offers an 1523The following text gives values for the standard 88 colour mode (and
1416additional 72 colours. The first 64 of those (with indices 16 to 79) 1524values 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 1525
1526The RGB cube uses indices 16..79 (16..231) using the following formulas:
1527
1528 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1529 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1530
1531The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1532steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1533the RGB cube.
1534
1420Together, all those colours implement the 88 colour xterm colours. Only 1535Together, all those colours implement the 88 (256) colour xterm
1421the first 16 can be changed using resources currently, the rest can only 1536colours. Only the first 16 can be changed using resources currently, the
1422be changed via command sequences ("escape codes"). 1537rest can only be changed via command sequences ("escape codes").
1538
1539Applications are advised to use terminfo or command sequences to discover
1540number and RGB values of all colours (yes, you can query this...).
1423 1541
1424Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1542Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1425always swapping the foreground/background colours. This is in contrast to 1543always swapping the foreground/background colours. This is in contrast to
1426I<xterm>(1) where the colours are only swapped if they have not otherwise 1544I<xterm>(1) where the colours are only swapped if they have not otherwise
1427been specified. For example, 1545been specified. For example,
1428 1546
1429=over 4
1430
1431=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1547 @@RXVT_NAME@@ -fg Black -bg White -rv
1432 1548
1433would yield White on Black, while on I<xterm>(1) it would yield Black 1549would yield White on Black, while on I<xterm>(1) it would yield Black on
1434on White. 1550White.
1435
1436=back
1437 1551
1438=head2 ALPHA CHANNEL SUPPORT 1552=head2 ALPHA CHANNEL SUPPORT
1439 1553
1440If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1554If 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> 1555their act together, rxvt-unicode will do its own alpha channel management:
1442(recommended, but B<MUST> have 4 digits/component) colour specifications, 1556
1443in addition to the ones provided by X, where the additional A component 1557You can prefix any colour with an opaqueness percentage enclosed in
1558brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1559(0-100) that specifies the opacity of the colour, where C<0> is completely
1560transparent and C<100> is completely opaque. For example, C<[50]red> is a
1561half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1562is the recommended format to specify transparency values, and works with
1563all ways to specify a colour.
1564
1565For complete control, rxvt-unicode also supports
1566C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1567specifications, where the additional C<aaaa> component specifies opacity
1444specifies opacity (alpha) values. The minimum value of C<0> is completely 1568(alpha) values. The minimum value of C<0000> is completely transparent,
1445transparent). You can also prefix any color with C<[percent]>, where 1569while C<ffff> is completely opaque). The two example colours from
1446C<percent> is a decimal percentage (0-100) that specifies the opacity of 1570earlier 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 1571C<rgba:0000/ff00/0000/f332>.
1448opaque.
1449 1572
1450You probably need to specify B<"-depth 32">, too, and have the luck that 1573You 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 1574alpha channels, and have the luck that your X-server uses ARGB pixel
1452ARGB visuals out of the box, and rxvt-unicode just fudges around. 1575layout, as X is far from just supporting ARGB visuals out of the box, and
1576rxvt-unicode just fudges around.
1453 1577
1454For example, the following selects an almost completely transparent red 1578For example, the following selects an almost completely transparent black
1455background, and an almost opaque pink foreground: 1579background, and an almost opaque pink foreground:
1456 1580
1457 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1581 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1458 1582
1459I<Please note that transparency of any kind if completely unsupported by 1583When not using a background image, then the interpretation of the
1460the author. Don't bug him with installation questions!> 1584alpha channel is up to your compositing manager (most interpret it as
1585transparency of course).
1586
1587When using a background pixmap or pseudo-transparency, then the background
1588colour will always behave as if it were completely transparent (so the
1589background image shows instead), regardless of how it was specified, while
1590other colours will either be transparent as specified (the background
1591image will show through) on servers supporting the RENDER extension, or
1592fully opaque on servers not supporting the RENDER EXTENSION.
1593
1594Please note that due to bugs in Xft, specifying alpha values might result
1595in garbage being displayed when the X-server does not support the RENDER
1596extension.
1461 1597
1462=head1 ENVIRONMENT 1598=head1 ENVIRONMENT
1463 1599
1464B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1600B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1465 1601
1499C<--with-terminfo=PATH>. 1635C<--with-terminfo=PATH>.
1500 1636
1501=item B<DISPLAY> 1637=item B<DISPLAY>
1502 1638
1503Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1639Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1504display in its child processes. 1640display in its child processes if C<-display> isn't used to override. It
1641defaults to C<:0> if it doesn't exist.
1505 1642
1506=item B<SHELL> 1643=item B<SHELL>
1507 1644
1508The shell to be used for command execution, defaults to C</bin/sh>. 1645The shell to be used for command execution, defaults to C</bin/sh>.
1509 1646
1510=item B<RXVT_SOCKET> 1647=item B<RXVT_SOCKET> [I<sic>]
1511 1648
1512The unix domain socket path used by @@RXVT_NAME@@c(1) and 1649The unix domain socket path used by @@RXVT_NAME@@c(1) and
1513@@RXVT_NAME@@d(1). 1650@@RXVT_NAME@@d(1).
1514 1651
1515Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1652Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1653
1654=item B<URXVT_PERL_LIB>
1655
1656Additional F<:>-separated library search path for perl extensions. Will be
1657searched after B<-perl-lib> but before F<~/.urxvt/ext> and the system library
1658directory.
1659
1660=item B<URXVT_PERL_VERBOSITY>
1661
1662See L<@@RXVT_NAME@@perl>(3).
1516 1663
1517=item B<HOME> 1664=item B<HOME>
1518 1665
1519Used to locate the default directory for the unix domain socket for 1666Used to locate the default directory for the unix domain socket for
1520daemon communications and to locate various resource files (such as 1667daemon communications and to locate various resource files (such as
1521C<.Xdefaults>) 1668C<.Xdefaults>)
1522 1669
1523=item B<XAPPLRESDIR> 1670=item B<XAPPLRESDIR>
1524 1671
1525Directory where various X resource files are being located. 1672Directory where application-specific X resource files are located.
1526 1673
1527=item B<XENVIRONMENT> 1674=item B<XENVIRONMENT>
1528 1675
1529If set and accessible, gives the name of a X resource file to be loaded by 1676If set and accessible, gives the name of a X resource file to be loaded by
1530@@RXVT_NAME@@. 1677@@RXVT_NAME@@.
1535 1682
1536=over 4 1683=over 4
1537 1684
1538=item B</usr/lib/X11/rgb.txt> 1685=item B</usr/lib/X11/rgb.txt>
1539 1686
1540Color names. 1687Colour names.
1541 1688
1542=back 1689=back
1543 1690
1544=head1 SEE ALSO 1691=head1 SEE ALSO
1545 1692
1693@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1), @@RXVT_NAME@@d(1), @@RXVT_NAME@@-extensions(1),
1546@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1), @@RXVT_NAME@@d(1), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5) 1694@@RXVT_NAME@@perl(3), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5)
1547 1695
1548=head1 CURRENT PROJECT COORDINATOR 1696=head1 CURRENT PROJECT COORDINATOR
1549 1697
1550=over 4 1698=over 4
1551 1699
1596 1744
1597Project Coordinator (Changes 1.0 -) 1745Project Coordinator (Changes 1.0 -)
1598 1746
1599=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1747=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1600 1748
1601Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1749pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1602 1750
1603=back 1751=back
1604 1752

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