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Revision 1.144 by sasha, Thu Nov 15 18:40:10 2007 UTC vs.
Revision 1.189 by sf-exg, Tue Nov 23 18:52:13 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 pseudo-transparency by using the root pixmap as background; resource B<transparent>.
122B<-ip> and it should not be used anymore; resource B<transparent>.
123 130
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
128I<Please address all transparency related issues to Sasha Vasko at
129sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
130 133
131=item B<-fade> I<number> 134=item B<-fade> I<number>
132 135
133Fade the text by the given percentage when focus is lost. Small values 136Fade the text by the given percentage when focus is lost. Small values
134fade a little only, 100 completely replaces all colours by the fade 137fade 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 142Fade to this colour when fading is used (see B<-fade>). The default colour
140is opaque black. resource B<fadeColor>. 143is opaque black. resource B<fadeColor>.
141 144
142=item B<-tint> I<colour> 145=item B<-tint> I<colour>
143 146
144Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
145transparency is enabled with B<-tr>. This only works for 148resource 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
155 149
156=item B<-sh> I<number> 150=item B<-sh> I<number>
157 151
158Darken (0 .. 100) or lighten (100 .. 200) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
159background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
160resource I<shading>.
161 154
162=item B<-blt> I<string> 155=item B<-blt> I<string>
163 156
164Specify background blending type. If background pixmap is specified 157Specify background blending type. If background pixmap is specified
165at the same time as transparency - such pixmap will be blended over 158at the same time as transparency - such pixmap will be blended over
166transparency image, using method specified. Supported values are : 159the transparent background, using the method specified. Supported values are:
167B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 160B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
168B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
169B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is 162B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
170alpha-blending. Compile I<afterimage>; resource I<blendType>. 163alpha-blending. Compile I<afterimage>; resource I<blendType>.
171 164
172=item B<-blr> I<HxV> 165=item B<-blr> I<HxV>
173 166
174Apply Gaussian Blur with the specified radii to the transparent 167Apply Gaussian Blur with the specified radii to the transparent
175background image. If single number is specified - both vertical and 168background. If a single number is specified - both vertical and
176horizontal radii are considered to be the same. Setting one of the 169horizontal radii are considered to be the same. Setting one of the
177radii to 1 and another to a large number creates interesting effects 170radii to 1 and another to a large number creates interesting effects
178on some backgrounds. Maximum radius value is 128. Compile I<afterimage>; 171on some backgrounds. Maximum radius value is 128;
179resource I<blurRadius>. 172resource I<blurRadius>.
180 173
174=item B<-icon> I<file>
175
176Compile I<afterimage> or I<pixbuf>: Use the specified image as application icon. This
177is used by many window managers, taskbars and pagers to represent the
178application window; resource I<iconFile>.
179
181=item B<-bg> I<colour> 180=item B<-bg> I<colour>
182 181
183Window background colour; resource B<background>. 182Window background colour; resource B<background>.
184 183
185=item B<-fg> I<colour> 184=item B<-fg> I<colour>
186 185
187Window foreground colour; resource B<foreground>. 186Window foreground colour; resource B<foreground>.
188 187
189=item B<-pixmap> I<file[;geom[:op1][:op2][...]]> 188=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
190 189
191Compile I<afterimage>: Specify image file for the background and also 190Compile 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 191optionally specify its scaling with a geometry string. Note you may need to
193add quotes to avoid special shell interpretation of the C<;> in the 192add quotes to avoid special shell interpretation of the C<;> in the
194command-line; for more details see resource B<backgroundPixmap>. 193command-line; for more details see resource B<backgroundPixmap>.
195 194
196=item B<-cr> I<colour> 195=item B<-cr> I<colour>
244italic> >> characters are to be printed. See resource B<boldItalicFont> 243italic> >> characters are to be printed. See resource B<boldItalicFont>
245for details. 244for details.
246 245
247=item B<-is>|B<+is> 246=item B<-is>|B<+is>
248 247
249Compile I<font-styles>: Bold/Italic font styles imply high intensity 248Compile I<font-styles>: Bold/Blink font styles imply high intensity
250foreground/background (default). See resource B<intensityStyles> for 249foreground/background (default). See resource B<intensityStyles> for
251details. 250details.
252 251
253=item B<-name> I<name> 252=item B<-name> I<name>
254 253
272 271
273=item B<-sb>|B<+sb> 272=item B<-sb>|B<+sb>
274 273
275Turn on/off scrollbar; resource B<scrollBar>. 274Turn on/off scrollbar; resource B<scrollBar>.
276 275
276=item B<-sr>|B<+sr>
277
278Put scrollbar on right/left; resource B<scrollBar_right>.
279
280=item B<-st>|B<+st>
281
282Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
283resource B<scrollBar_floating>.
284
277=item B<-si>|B<+si> 285=item B<-si>|B<+si>
278 286
279Turn on/off scroll-to-bottom on TTY output inhibit; resource 287Turn on/off scroll-to-bottom on TTY output inhibit; resource
280B<scrollTtyOutput> has opposite effect. 288B<scrollTtyOutput> has opposite effect.
281 289
287=item B<-sw>|B<+sw> 295=item B<-sw>|B<+sw>
288 296
289Turn on/off scrolling with the scrollback buffer as new lines appear. 297Turn on/off scrolling with the scrollback buffer as new lines appear.
290This only takes effect if B<-si> is also given; resource 298This only takes effect if B<-si> is also given; resource
291B<scrollWithBuffer>. 299B<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>.
301 300
302=item B<-ptab>|B<+ptab> 301=item B<-ptab>|B<+ptab>
303 302
304If enabled (default), "Horizontal Tab" characters are being stored as 303If enabled (default), "Horizontal Tab" characters are being stored as
305actual wide characters in the screen buffer, which makes it possible to 304actual wide characters in the screen buffer, which makes it possible to
309 308
310=item B<-bc>|B<+bc> 309=item B<-bc>|B<+bc>
311 310
312Blink the cursor; resource B<cursorBlink>. 311Blink the cursor; resource B<cursorBlink>.
313 312
313=item B<-uc>|B<+uc>
314
315Make the cursor underlined; resource B<cursorUnderline>.
316
314=item B<-iconic> 317=item B<-iconic>
315 318
316Start iconified, if the window manager supports that option. 319Start iconified, if the window manager supports that option.
317Alternative form is B<-ic>. 320Alternative form is B<-ic>.
318 321
334 337
335=item B<-bl> 338=item B<-bl>
336 339
337Compile I<frills>: Set MWM hints to request a borderless window, i.e. 340Compile 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 341if honoured by the WM, the rxvt-unicode window will not have window
339decorations; resource B<borderLess>. 342decorations; resource B<borderLess>. If the window manager does not
343support MWM hints (e.g. kwin), enables override-redirect mode.
340 344
341=item B<-override-redirect> 345=item B<-override-redirect>
342 346
343Compile I<frills>: Sets override-redirect on the window; resource 347Compile I<frills>: Sets override-redirect on the window; resource
344B<override-redirect>. 348B<override-redirect>.
353=item B<-lsp> I<number> 357=item B<-lsp> I<number>
354 358
355Compile I<frills>: Lines (pixel height) to insert between each row of 359Compile I<frills>: Lines (pixel height) to insert between each row of
356the display. Useful to work around font rendering problems; resource 360the display. Useful to work around font rendering problems; resource
357B<lineSpace>. 361B<lineSpace>.
362
363=item B<-letsp> I<number>
364
365Compile I<frills>: Amount to adjust the computed character width by
366to control overall letter spacing. Negative values will tighten up the
367letter spacing, positive values will space letters out more. Useful to
368work around odd font metrics; resource B<letterSpace>.
358 369
359=item B<-tn> I<termname> 370=item B<-tn> I<termname>
360 371
361This option specifies the name of the terminal type to be set in the 372This option specifies the name of the terminal type to be set in the
362B<TERM> environment variable. This terminal type must exist in the 373B<TERM> environment variable. This terminal type must exist in the
417 428
418=item B<-tcw> 429=item B<-tcw>
419 430
420Change the meaning of triple-click selection with the left mouse 431Change the meaning of triple-click selection with the left mouse
421button. Only effective when the original (non-perl) selection code is 432button. Only effective when the original (non-perl) selection code is
422in-use. Instead of selecting a full line it will extend the selection the 433in-use. Instead of selecting a full line it will extend the selection to
423end of the logical line only. resource B<tripleclickwords>. 434the end of the logical line only. resource B<tripleclickwords>.
424 435
425=item B<-insecure> 436=item B<-insecure>
426 437
427Enable "insecure" mode, which currently enables most of the escape 438Enable "insecure" mode, which currently enables most of the escape
428sequences that echo strings. See the resource B<insecure> for more 439sequences that echo strings. See the resource B<insecure> for more
448 459
449Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 460Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
450will not immediately destroy its window when the program executed within 461will 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 462it exits. Instead, it will wait till it is being killed or closed by the
452user; resource B<hold>. 463user; resource B<hold>.
464
465=item B<-cd> I<path>
466
467Sets the working directory for the shell (or the command specified via
468B<-e>). The I<path> must be an absolute path and it must exist for
469@@RXVT_NAME@@ to start; resource B<chdir>.
470
471=item B<-xrm> I<string>
472
473Works like the X Toolkit option of the same name, by adding the I<string>
474as if it were specified in a resource file. Resource values specified this
475way take precedence over all other resource specifications.
476
477Note that you need to use the I<same> syntax as in the .Xdefaults file,
478e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
479options can be specified as long-options on the commandline, so use
480of B<-xrm> is mostly limited to cases where you want to specify other
481resources (e.g. for input methods) or for compatibility with other
482programs.
453 483
454=item B<-keysym.>I<sym> I<string> 484=item B<-keysym.>I<sym> I<string>
455 485
456Remap a key symbol. See resource B<keysym>. 486Remap a key symbol. See resource B<keysym>.
457 487
492If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 522If 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 523entries and will not tinker with pty/tty permissions - you have to do that
494yourself if you want that. 524yourself if you want that.
495 525
496As an extremely special case, specifying C<-1> will completely suppress 526As an extremely special case, specifying C<-1> will completely suppress
497pty/tty operations. 527pty/tty operations, which is probably only useful in conjunction with some
528perl extension that manages the terminal.
498 529
499Here is a example in perl that illustrates how this option can be used (a 530Here is a example in perl that illustrates how this option can be used (a
500longer example is in F<doc/pty-fd>): 531longer example is in F<doc/pty-fd>):
501 532
502 use IO::Pty; 533 use IO::Pty;
516Comma-separated list of perl extension scripts to use (or not to use) in 547Comma-separated list of perl extension scripts to use (or not to use) in
517this terminal instance. See resource B<perl-ext> for details. 548this terminal instance. See resource B<perl-ext> for details.
518 549
519=back 550=back
520 551
521=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
522 553
523Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
524options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
525 557
526You can set and change the resources using X11 tools like B<xrdb>. Many 558You 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 559distribution do also load settings from the B<~/.Xresources> file when X
528starts. @@RXVT_NAME@@ will consult the following files/resources in order, 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
529with later settings overwriting earlier ones: 561with later settings overwriting earlier ones:
531 1. system-wide app-defaults file, either locale-dependent OR global 563 1. system-wide app-defaults file, either locale-dependent OR global
532 2. app-defaults file in $XAPPLRESDIR 564 2. app-defaults file in $XAPPLRESDIR
533 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 565 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
534 4. SCREEN_RESOURCES for the current screen 566 4. SCREEN_RESOURCES for the current screen
535 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
568 6. resources specified via -xrm on the commandline
536 569
537Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
538names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 571names: 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 572common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
540configured, while the class name B<URxvt> allows resources unique to 573configured, while the class name B<URxvt> allows resources unique to
550=item B<depth:> I<bitdepth> 583=item B<depth:> I<bitdepth>
551 584
552Compile I<xft>: Attempt to find a visual with the given bit depth; 585Compile I<xft>: Attempt to find a visual with the given bit depth;
553option B<-depth>. 586option B<-depth>.
554 587
588=item B<buffered:> I<boolean>
589
590Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
591On some card/driver combination enabling it slightly decreases
592performance, on most it greatly helps it. The slowdown is small, so it
593should normally be enabled.
594
555=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
556 596
557Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
558option B<-geometry>. 598option B<-geometry>.
559 599
572Use the specified colour for the colour value I<n>, where 0-7 612Use the specified colour for the colour value I<n>, where 0-7
573corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
574high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
575colours. The canonical names are as follows: 0=black, 1=red, 2=green, 615colours. 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 6163=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
577names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
578 618
579Colours higher than 15 cannot be set using resources (yet), but can be 619Colours higher than 15 cannot be set using resources (yet), but can be
580changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
581 621
582Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 622Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
593=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
594 634
595Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
596foreground colour is the default. 636foreground colour is the default.
597 637
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> 638=item B<underlineColor:> I<colour>
604 639
605If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
606itself. If unset, use the foreground colour. 641itself. If unset, use the foreground colour.
642
643=item B<highlightColor:> I<colour>
644
645If set, use the specified colour as the background for highlighted
646characters. If unset, use reverse video.
647
648=item B<highlightTextColor:> I<colour>
649
650If set and highlightColor is set, use the specified colour as the
651foreground for highlighted characters.
607 652
608=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
609 654
610Use the specified colour for the cursor. The default is to use the 655Use the specified colour for the cursor. The default is to use the
611foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
618 663
619=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
620 665
621B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
622option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
623B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
624 669
625=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
626 671
627B<True>: specify that jump scrolling should be used. When receiving lots 672B<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 673of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
642 687
643B<False>: specify that everything is to be displayed, even 688B<False>: specify that everything is to be displayed, even
644if the refresh is too fast for the human eye to read anything (or the 689if the refresh is too fast for the human eye to read anything (or the
645monitor to display anything); option B<+ss>. 690monitor to display anything); option B<+ss>.
646 691
647=item B<inheritPixmap:> I<boolean> 692=item B<transparent:> I<boolean>
648 693
649B<True>: make the background inherit the parent windows' pixmap, giving 694Turn on/off pseudo-transparency by using the root pixmap as background.
650artificial transparency. B<False>: do not inherit the parent windows'
651pixmap.
652 695
653I<Please note that transparency of any kind if completely unsupported by 696B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
654the author. Don't bug him with installation questions!> 697future versions.
655 698
656=item B<fading:> I<number> 699=item B<fading:> I<number>
657 700
658Fade the text by the given percentage when focus is lost; option B<-fade>. 701Fade the text by the given percentage when focus is lost; option B<-fade>.
659 702
662Fade to this colour, when fading is used (see B<fading:>). The default 705Fade to this colour, when fading is used (see B<fading:>). The default
663colour is black; option B<-fadecolor>. 706colour is black; option B<-fadecolor>.
664 707
665=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
666 709
667Tint the transparent background pixmap with the given colour; option 710Tint the transparent background with the given colour; option
668B<-tint>. 711B<-tint>.
669 712
670=item B<shading:> I<number> 713=item B<shading:> I<number>
671 714
672Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 715Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
673in addition to tinting it; option B<-sh>. 716A value of 100 means no shading; option B<-sh>.
674 717
675=item B<blendType:> I<string> 718=item B<blendType:> I<string>
676 719
677Specify background blending type; option B<-blt>. 720Specify background blending type; option B<-blt>.
678 721
679=item B<blurRadius:> I<number> 722=item B<blurRadius:> I<number>
680 723
681Apply Gaussian Blurr with the specified radius to the transparent 724Apply gaussian blur with the specified radius to the transparent
682background image; option B<-blr>. 725background; option B<-blr>.
726
727=item B<iconFile:> I<file>
728
729Set the application icon pixmap; option B<-icon>.
683 730
684=item B<scrollColor:> I<colour> 731=item B<scrollColor:> I<colour>
685 732
686Use the specified colour for the scrollbar [default #B2B2B2]. 733Use the specified colour for the scrollbar [default #B2B2B2].
687 734
695The colour of the border around the text area and between the scrollbar 742The colour of the border around the text area and between the scrollbar
696and the text. 743and the text.
697 744
698=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]> 745=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
699 746
700Use the specified image file for the background and also optionally 747Use the specified image file for the background and also
701specify its scaling with a geometry string B<WxH+X+Y>, 748optionally specify its scaling with a geometry string B<WxH+X+Y>,
702in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 749(default C<100x100+50+50>) in which B<"W" / "H"> specify the
703and B<"X" / "Y"> locate the image centre (percent). 750horizontal/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 751centre (percent). A scale of 0 displays the image with tiling.
705image without any scaling. A scale of 2 to 9 specifies an integer 752The maximum permitted scale is 1000.
706number of images in that direction. No image will be magnified beyond
70710 times its original size. The maximum permitted scale is 1000.
708Additional operations can be specified after colon B<:op1:op2...>. 753Additional operations can be specified after colon B<:op1:op2...>.
709Supported operations are: 754Supported operations are:
755
710 B<"tile"> - force background image to be tiled and not scaled. Equivalent to 0x0, 756 tile force background image to be tiled and not scaled. Equivalent to 0x0
711 B<"propscale"> - will scale image keeping proportions, 757 propscale will scale image keeping proportions
712 B<"auto"> - will scale image to match window size. Equivalent to 100x100; 758 auto will scale image to match window size. Equivalent to 100x100
713 B<"hscale"> - will scale image horizontally to the window size; 759 hscale will scale image horizontally to the window size
714 B<"vscale"> - will scale image vertically to the window size; 760 vscale will scale image vertically to the window size
715 B<"scale"> - will scale image to match window size; 761 scale will scale image to match window size
716 B<"root"> - will tile image as if it was a root window background, auto-adjusting 762 root will tile image as if it was a root window background, auto-adjusting
717 whenever terminal window moves. 763 whenever terminal window moves
718 764
719If used in conjunction with B<-tr> option - specified pixmap will be 765If used in conjunction with B<-tr> option, the specified pixmap will be
720blended over transparency image using either alpha-blending, or any 766blended over the transparent background using alpha-blending. If I<afterimage>
721other blending type, specified with B<-blt "type"> option. 767support has been compiled in it is possible to choose other blending
722[default 0x0+50+50] 768types with B<-blt "type"> option.
723 769
724=item B<path:> I<path> 770=item B<path:> I<path>
725 771
726Specify the colon-delimited search path for finding background image files. 772Specify the colon-delimited search path for finding background image files.
727 773
754it is named first) and thus defines the character cell grid to be 9 pixels 800it is named first) and thus defines the character cell grid to be 9 pixels
755wide and 15 pixels high. 801wide and 15 pixels high.
756 802
757The second font is just used to add additional unicode characters not in 803The second font is just used to add additional unicode characters not in
758the base font, likewise the third, which is unfortunately non-bold, but 804the base font, likewise the third, which is unfortunately non-bold, but
759the bold version of the font does contain less characters, so this is a 805the bold version of the font does contain fewer characters, so this is a
760useful supplement. 806useful supplement.
761 807
762The third font is an Xft font with aliasing turned off, and the characters 808The third font is an Xft font with aliasing turned off, and the characters
763are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 809are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
764contains other characters, but we are not interested in them. 810contains other characters, but we are not interested in them.
788text font will being used for the given style. 834text font will being used for the given style.
789 835
790=item B<intensityStyles:> I<boolean> 836=item B<intensityStyles:> I<boolean>
791 837
792When font styles are not enabled, or this option is enabled (B<True>, 838When font styles are not enabled, or this option is enabled (B<True>,
793option B<-is>, the default), bold and italic font styles imply high 839option B<-is>, the default), bold/blink font styles imply high
794intensity foreground/background colours. Disabling this option (B<False>, 840intensity foreground/background colours. Disabling this option (B<False>,
795option B<+is>) disables this behaviour, the high intensity colours are not 841option B<+is>) disables this behaviour, the high intensity colours are not
796reachable. 842reachable.
797 843
798=item B<selectstyle:> I<mode>
799
800Set mouse selection style to B<old> which is 2.20, B<oldword> which
801is xterm style with 2.20 old word selection, or anything else which
802gives xterm style selection. Only effective when the original (non-perl)
803selection code is in use.
804
805=item B<scrollstyle:> I<mode>
806
807Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
808the author's favourite.
809
810=item B<title:> I<string> 844=item B<title:> I<string>
811 845
812Set window title string, the default title is the command-line 846Set window title string, the default title is the command-line
813specified after the B<-e> option, if any, otherwise the application 847specified after the B<-e> option, if any, otherwise the application
814name; option B<-title>. 848name; option B<-title>.
827=item B<urgentOnBell:> I<boolean> 861=item B<urgentOnBell:> I<boolean>
828 862
829B<True>: set the urgency hint for the wm on receipt of a bell character. 863B<True>: set the urgency hint for the wm on receipt of a bell character.
830B<False>: do not set the urgency hint [default]. 864B<False>: do not set the urgency hint [default].
831 865
866@@RXVT_NAME@@ resets the urgency hint on every focus change.
867
832=item B<visualBell:> I<boolean> 868=item B<visualBell:> I<boolean>
833 869
834B<True>: use visual bell on receipt of a bell character; option B<-vb>. 870B<True>: use visual bell on receipt of a bell character; option B<-vb>.
835B<False>: no visual bell [default]; option B<+vb>. 871B<False>: no visual bell [default]; option B<+vb>.
836 872
858 894
859 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 895 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
860 896
861This creates a new file in your home directory with the screen contents 897This creates a new file in your home directory with the screen contents
862every time you hit C<Print>. 898every time you hit C<Print>.
899
900=item B<scrollstyle:> I<mode>
901
902Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
903the author's favourite.
863 904
864=item B<scrollBar:> I<boolean> 905=item B<scrollBar:> I<boolean>
865 906
866B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 907B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
867disable the scrollbar; option B<+sb>. 908disable the scrollbar; option B<+sb>.
955=item B<cursorBlink:> I<boolean> 996=item B<cursorBlink:> I<boolean>
956 997
957B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 998B<True>: blink the cursor. B<False>: do not blink the cursor [default];
958option B<-bc>. 999option B<-bc>.
959 1000
1001=item B<cursorUnderline:> I<boolean>
1002
1003B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1004option B<-uc>.
1005
960=item B<pointerBlank:> I<boolean> 1006=item B<pointerBlank:> I<boolean>
961 1007
962B<True>: blank the pointer when a key is pressed or after a set number 1008B<True>: blank the pointer when a key is pressed or after a set number
963of seconds of inactivity. B<False>: the pointer is always visible 1009of seconds of inactivity. B<False>: the pointer is always visible
964[default]. 1010[default].
977large number (e.g. C<987654321>) to effectively disable the timeout. 1023large number (e.g. C<987654321>) to effectively disable the timeout.
978 1024
979=item B<backspacekey:> I<string> 1025=item B<backspacekey:> I<string>
980 1026
981The string to send when the backspace key is pressed. If set to B<DEC> 1027The string to send when the backspace key is pressed. If set to B<DEC>
982or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1028or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
983(code 8) - which can be reversed with the appropriate DEC private mode 1029(code 8) - which can be reversed with the appropriate DEC private mode
984escape sequence. 1030escape sequence.
985 1031
986=item B<deletekey:> I<string> 1032=item B<deletekey:> I<string>
987 1033
1000will be created). In this mode, characters outside ISO-8859-1 can be used. 1046will be created). In this mode, characters outside ISO-8859-1 can be used.
1001 1047
1002When the selection extension is not used, only ISO-8859-1 characters can 1048When the selection extension is not used, only ISO-8859-1 characters can
1003be used. If not specified, the built-in default is used: 1049be used. If not specified, the built-in default is used:
1004 1050
1005B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1051B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
1006 1052
1007=item B<preeditType:> I<style> 1053=item B<preeditType:> I<style>
1008 1054
1009B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1055B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
1010 1056
1066 1112
1067=item B<secondaryScroll:> I<boolean> 1113=item B<secondaryScroll:> I<boolean>
1068 1114
1069Turn on/off secondary screen scroll (default enabled). If this 1115Turn on/off secondary screen scroll (default enabled). If this
1070option is enabled, scrolls on the secondary screen will change the 1116option is enabled, scrolls on the secondary screen will change the
1071scrollback buffer and switching to/from the secondary screen will 1117scrollback buffer and, when secondaryScreen is off, switching
1072instead scroll the screen up. 1118to/from the secondary screen will instead scroll the screen up.
1073 1119
1074=item B<hold>: I<boolean> 1120=item B<hold>: I<boolean>
1075 1121
1076Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1122Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1077will not immediately destroy its window when the program executed within 1123will not immediately destroy its window when the program executed within
1078it exits. Instead, it will wait till it is being killed or closed by the 1124it exits. Instead, it will wait till it is being killed or closed by the
1079user. 1125user.
1126
1127=item B<chdir>: I<path>
1128
1129Sets the working directory for the shell (or the command specified via
1130B<-e>). The I<path> must be an absolute path and it must exist for
1131@@RXVT_NAME@@ to start. If it isn't specified then the current working
1132directory will be used; option B<-cd>.
1080 1133
1081=item B<keysym.>I<sym>: I<string> 1134=item B<keysym.>I<sym>: I<string>
1082 1135
1083Compile I<frills>: Associate I<string> with keysym I<sym>. The 1136Compile I<frills>: Associate I<string> with keysym I<sym>. The
1084intervening resource name B<keysym.> cannot be omitted. 1137intervening resource name B<keysym.> cannot be omitted.
1099omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1152omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1100keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1153keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1101performed in an exact manner; however, the closest match is assured. 1154performed in an exact manner; however, the closest match is assured.
1102 1155
1103I<string> may contain escape values (C<\n>: newline, C<\000>: octal 1156I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1104number), see RESOURCES in C<man 7 X> for futher details. 1157number), see RESOURCES in C<man 7 X> for further details.
1105 1158
1106You can define a range of keysyms in one shot by providing a I<string> 1159You can define a range of keysyms in one shot by providing a I<string>
1107with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1160with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1108should be a character not used by the strings. 1161should be a character not used by the strings.
1109 1162
1123when Control-Meta-c is being pressed": 1176when Control-Meta-c is being pressed":
1124 1177
1125 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1178 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1126 1179
1127If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1180If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1128is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1181is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1129manpage. For example, the F<selection> extension (activated via 1182manpage. For example, the F<selection> extension (activated via
1130C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1183C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1131 1184
1132 URxvt.keysym.M-C-c: perl:selection:rot13 1185 URxvt.keysym.M-C-c: perl:selection:rot13
1133 1186
1134Due the the large number of modifier combinations, a defined key mapping 1187Due the the large number of modifier combinations, a defined key mapping
1135will match if at I<at least> the specified identifiers are being set, and 1188will match if I<at least> the specified identifiers are being set, and
1136no other key mappings with those and more bits are being defined. That 1189no other key mappings with those and more bits are being defined. That
1137means that defining a key map for C<a> will automatically provide 1190means that defining a key map for C<a> will automatically provide
1138definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1191definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1139mappings themselves. 1192mappings themselves.
1140 1193
1191all instances, while B<perl-ext> is used for specific instances. 1244all instances, while B<perl-ext> is used for specific instances.
1192 1245
1193=item B<perl-eval>: I<string> 1246=item B<perl-eval>: I<string>
1194 1247
1195Perl code to be evaluated when all extensions have been registered. See 1248Perl code to be evaluated when all extensions have been registered. See
1196the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1249the @@RXVT_NAME@@perl(3) manpage.
1197will be ignored when running setuid/setgid.
1198 1250
1199=item B<perl-lib>: I<path> 1251=item B<perl-lib>: I<path>
1200 1252
1201Colon-separated list of additional directories that hold extension 1253Colon-separated list of additional directories that hold extension
1202scripts. When looking for extensions specified by the C<perl> resource, 1254scripts. When looking for extensions specified by the C<perl> resource,
1203@@RXVT_NAME@@ will first look in these directories and then in 1255@@RXVT_NAME@@ will first look in these directories and then in
1204F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1256F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1205will be ignored when running setuid/setgid.
1206 1257
1207See the @@RXVT_NAME@@perl(3) manpage. 1258See the @@RXVT_NAME@@perl(3) manpage.
1208 1259
1209=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1260=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1210 1261
1232 1283
1233=item B<override-redirect>: I<boolean> 1284=item B<override-redirect>: I<boolean>
1234 1285
1235Compile I<frills>: Sets override-redirect for the terminal window, making 1286Compile I<frills>: Sets override-redirect for the terminal window, making
1236it almost invisible to window managers; option B<-override-redirect>. 1287it almost invisible to window managers; option B<-override-redirect>.
1288
1289=item B<iso14755:> I<boolean>
1290
1291Turn on/off ISO 14755 (default enabled).
1237 1292
1238=item B<iso14755_52:> I<boolean> 1293=item B<iso14755_52:> I<boolean>
1239 1294
1240Turn on/off ISO 14755 5.2 mode (default enabled). 1295Turn on/off ISO 14755 5.2 mode (default enabled).
1241 1296
1384B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1439B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1385it can be seen via the I<who(1)> command, and can accept messages. To 1440it can be seen via the I<who(1)> command, and can accept messages. To
1386allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1441allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1387on some systems or setgid to root or to some other group on others. 1442on some systems or setgid to root or to some other group on others.
1388 1443
1389=head1 COLORS AND GRAPHICS 1444=head1 COLOURS AND GRAPHICS
1390 1445
1391In addition to the default foreground and background colours, 1446In addition to the default foreground and background colours,
1392B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1447B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1393high-intensity bold/blink versions of the same). Here is a list of the 1448high-intensity (potentially bold/blink) versions of the same, and 72 (or
1394colours with their names. 1449240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1450cube plus a 8 (24) colour greyscale ramp.
1451
1452Here is a list of the ANSI colours with their names.
1395 1453
1396=begin table 1454=begin table
1397 1455
1398 B<color0> (black) = Black 1456 B<color0> (black) = Black
1399 B<color1> (red) = Red3 1457 B<color1> (red) = Red3
1419It is also possible to specify the colour values of B<foreground>, 1477It is also possible to specify the colour values of B<foreground>,
1420B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1478B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1421a number 0-15, as a convenient shorthand to reference the colour name of 1479a number 0-15, as a convenient shorthand to reference the colour name of
1422color0-color15. 1480color0-color15.
1423 1481
1424In addition to the colours defined above, @@RXVT_NAME@@ offers an 1482The following text gives values for the standard 88 colour mode (and
1425additional 72 colours. The first 64 of those (with indices 16 to 79) 1483values for the 256 colour mode in parentheses).
1426consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
142716>), followed by 8 additional shades of gray (with indices 80 to 87).
1428 1484
1485The RGB cube uses indices 16..79 (16..231) using the following formulas:
1486
1487 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1488 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1489
1490The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1491steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1492the RGB cube.
1493
1429Together, all those colours implement the 88 colour xterm colours. Only 1494Together, all those colours implement the 88 (256) colour xterm
1430the first 16 can be changed using resources currently, the rest can only 1495colours. Only the first 16 can be changed using resources currently, the
1431be changed via command sequences ("escape codes"). 1496rest can only be changed via command sequences ("escape codes").
1497
1498Applications are advised to use terminfo or command sequences to discover
1499number and RGB values of all colours (yes, you can query this...).
1432 1500
1433Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1501Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1434always swapping the foreground/background colours. This is in contrast to 1502always swapping the foreground/background colours. This is in contrast to
1435I<xterm>(1) where the colours are only swapped if they have not otherwise 1503I<xterm>(1) where the colours are only swapped if they have not otherwise
1436been specified. For example, 1504been specified. For example,
1437 1505
1438=over 4
1439
1440=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1506 @@RXVT_NAME@@ -fg Black -bg White -rv
1441 1507
1442would yield White on Black, while on I<xterm>(1) it would yield Black 1508would yield White on Black, while on I<xterm>(1) it would yield Black on
1443on White. 1509White.
1444
1445=back
1446 1510
1447=head2 ALPHA CHANNEL SUPPORT 1511=head2 ALPHA CHANNEL SUPPORT
1448 1512
1449If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1513If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1450their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1514their act together, rxvt-unicode will do it's own alpha channel management:
1451(recommended, but B<MUST> have 4 digits/component) colour specifications, 1515
1452in addition to the ones provided by X, where the additional A component 1516You can prefix any colour with an opaqueness percentage enclosed in
1517brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1518(0-100) that specifies the opacity of the colour, where C<0> is completely
1519transparent and C<100> is completely opaque. For example, C<[50]red> is a
1520half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1521is the recommended format to specify transparency values, and works with
1522all ways to specify a colour.
1523
1524For complete control, rxvt-unicode also supports
1525C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1526specifications, where the additional C<aaaa> component specifies opacity
1453specifies opacity (alpha) values. The minimum value of C<0> is completely 1527(alpha) values. The minimum value of C<0000> is completely transparent,
1454transparent). You can also prefix any color with C<[percent]>, where 1528while C<ffff> is completely opaque). The two example colours from
1455C<percent> is a decimal percentage (0-100) that specifies the opacity of 1529earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1456the color, where C<0> is completely transparent and C<100> is completelxy 1530C<rgba:0000/ff00/0000/f332>.
1457opaque.
1458 1531
1459You probably need to specify B<"-depth 32">, too, and have the luck that 1532You probably need to specify B<"-depth 32">, too, to force a visual with
1460your X-server uses ARGB pixel layout, as X is far from just supporting 1533alpha channels, and have the luck that your X-server uses ARGB pixel
1461ARGB visuals out of the box, and rxvt-unicode just fudges around. 1534layout, as X is far from just supporting ARGB visuals out of the box, and
1535rxvt-unicode just fudges around.
1462 1536
1463For example, the following selects an almost completely transparent red 1537For example, the following selects an almost completely transparent black
1464background, and an almost opaque pink foreground: 1538background, and an almost opaque pink foreground:
1465 1539
1466 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1540 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1467 1541
1468I<Please note that transparency of any kind if completely unsupported by 1542When not using a background image, then the interpretation of the
1469the author. Don't bug him with installation questions!> 1543alpha channel is up to your compositing manager (most interpret it as
1544transparency of course).
1545
1546When using a background pixmap or pseudo-transparency, then the background
1547colour will always behave as if it were completely transparent (so the
1548background image shows instead), regardless of how it was specified, while
1549other colours will either be transparent as specified (the background
1550image will show through) on servers supporting the RENDER extension, or
1551fully opaque on servers not supporting the RENDER EXTENSION.
1552
1553Please note that due to bugs in Xft, specifying alpha values might result
1554in garbage being displayed when the X-server does not support the RENDER
1555extension.
1470 1556
1471=head1 ENVIRONMENT 1557=head1 ENVIRONMENT
1472 1558
1473B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1559B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1474 1560
1508C<--with-terminfo=PATH>. 1594C<--with-terminfo=PATH>.
1509 1595
1510=item B<DISPLAY> 1596=item B<DISPLAY>
1511 1597
1512Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1598Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1513display in its child processes. 1599display in its child processes if C<-display> isn't used to override. It
1600defaults to C<:0> if it doesn't exist.
1514 1601
1515=item B<SHELL> 1602=item B<SHELL>
1516 1603
1517The shell to be used for command execution, defaults to C</bin/sh>. 1604The shell to be used for command execution, defaults to C</bin/sh>.
1518 1605
1544 1631
1545=over 4 1632=over 4
1546 1633
1547=item B</usr/lib/X11/rgb.txt> 1634=item B</usr/lib/X11/rgb.txt>
1548 1635
1549Color names. 1636Colour names.
1550 1637
1551=back 1638=back
1552 1639
1553=head1 SEE ALSO 1640=head1 SEE ALSO
1554 1641

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