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Revision 1.147 by root, Fri Nov 23 11:18:04 2007 UTC vs.
Revision 1.210 by sf-exg, Mon Dec 26 15:20:58 2011 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[;oplist]>
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 a list of operations to modify it. 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>
197 196
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>.
453 470
454=item B<-xrm> I<string> 471=item B<-xrm> I<string>
455 472
456Works like the X Toolkit option of the same name, by adding the I<string> 473Works like the X Toolkit option of the same name, by adding the I<string>
457as if it were specified in a resource file. Resource values specified this 474as if it were specified in a resource file. Resource values specified this
505If 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
506entries 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
507yourself if you want that. 524yourself if you want that.
508 525
509As an extremely special case, specifying C<-1> will completely suppress 526As an extremely special case, specifying C<-1> will completely suppress
510pty/tty operations. 527pty/tty operations, which is probably only useful in conjunction with some
528perl extension that manages the terminal.
511 529
512Here 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
513longer example is in F<doc/pty-fd>): 531longer example is in F<doc/pty-fd>):
514 532
515 use IO::Pty; 533 use IO::Pty;
529Comma-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
530this terminal instance. See resource B<perl-ext> for details. 548this terminal instance. See resource B<perl-ext> for details.
531 549
532=back 550=back
533 551
534=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
535 553
536Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
537options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
538 557
539You 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
540distribution do also load settings from the B<~/.Xresources> file when X 559distribution do also load settings from the B<~/.Xresources> file when X
541starts. @@RXVT_NAME@@ will consult the following files/resources in order, 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
542with later settings overwriting earlier ones: 561with later settings overwriting earlier ones:
543 562
544 1. system-wide app-defaults file, either locale-dependent OR global
545 2. app-defaults file in $XAPPLRESDIR 563 1. app-defaults file in $XAPPLRESDIR
564 2. $HOME/.Xdefaults
546 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 565 3. RESOURCE_MANAGER property on root-window of screen 0
547 4. SCREEN_RESOURCES for the current screen 566 4. SCREEN_RESOURCES property on root-window of the current screen
548 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
549 6. resources specified via -xrm on the commandline 568 6. resources specified via -xrm on the commandline
550 569
551Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
552names: 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
564=item B<depth:> I<bitdepth> 583=item B<depth:> I<bitdepth>
565 584
566Compile 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;
567option B<-depth>. 586option B<-depth>.
568 587
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
569=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
570 596
571Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
572option B<-geometry>. 598option B<-geometry>.
573 599
586Use 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
587corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
588high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
589colours. 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,
5903=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
591names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
592 618
593Colours 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
594changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
595 621
596Colours 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
607=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
608 634
609Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
610foreground colour is the default. 636foreground colour is the default.
611 637
612=item B<colorRV:> I<colour>
613
614Use the specified colour as the background for reverse video characters
615when OPTION_HC is disabled (--disable-frills).
616
617=item B<underlineColor:> I<colour> 638=item B<underlineColor:> I<colour>
618 639
619If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
620itself. 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.
621 652
622=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
623 654
624Use 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
625foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
632 663
633=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
634 665
635B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
636option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
637B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
638 669
639=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
640 671
641B<True>: specify that jump scrolling should be used. When receiving lots 672B<True>: specify that jump scrolling should be used. When receiving lots
642of 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
656 687
657B<False>: specify that everything is to be displayed, even 688B<False>: specify that everything is to be displayed, even
658if 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
659monitor to display anything); option B<+ss>. 690monitor to display anything); option B<+ss>.
660 691
661=item B<inheritPixmap:> I<boolean> 692=item B<transparent:> I<boolean>
662 693
663B<True>: make the background inherit the parent windows' pixmap, giving 694Turn on/off pseudo-transparency by using the root pixmap as background.
664artificial transparency. B<False>: do not inherit the parent windows'
665pixmap.
666 695
667I<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
668the author. Don't bug him with installation questions!> 697future versions.
669 698
670=item B<fading:> I<number> 699=item B<fading:> I<number>
671 700
672Fade 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>.
673 702
676Fade 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
677colour is black; option B<-fadecolor>. 706colour is black; option B<-fadecolor>.
678 707
679=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
680 709
681Tint the transparent background pixmap with the given colour; option 710Tint the transparent background with the given colour. If the RENDER
682B<-tint>. 711extension is not available only black, red, green, yellow, blue,
712magenta, cyan and white tints can be performed server-side. Note that
713a black tint yields a completely black image while a white tint yields
714the image unchanged; option B<-tint>.
683 715
684=item B<shading:> I<number> 716=item B<shading:> I<number>
685 717
686Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 718Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
687in addition to tinting it; option B<-sh>. 719A value of 100 means no shading; option B<-sh>.
688 720
689=item B<blendType:> I<string> 721=item B<blendType:> I<string>
690 722
691Specify background blending type; option B<-blt>. 723Specify background blending type; option B<-blt>.
692 724
693=item B<blurRadius:> I<number> 725=item B<blurRadius:> I<number>
694 726
695Apply Gaussian Blurr with the specified radius to the transparent 727Apply gaussian blur with the specified radius to the transparent
696background image; option B<-blr>. 728background; option B<-blr>.
729
730=item B<iconFile:> I<file>
731
732Set the application icon pixmap; option B<-icon>.
697 733
698=item B<scrollColor:> I<colour> 734=item B<scrollColor:> I<colour>
699 735
700Use the specified colour for the scrollbar [default #B2B2B2]. 736Use the specified colour for the scrollbar [default #B2B2B2].
701 737
707=item B<borderColor:> I<colour> 743=item B<borderColor:> I<colour>
708 744
709The colour of the border around the text area and between the scrollbar 745The colour of the border around the text area and between the scrollbar
710and the text. 746and the text.
711 747
712=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]> 748=item B<backgroundPixmap:> I<file[;oplist]>
713 749
714Use the specified image file for the background and also 750Use the specified image file for the background and also
715optionally specify its scaling with a geometry string B<WxH+X+Y>, 751optionally specify a colon separated list of operations to modify it.
716(default C<0x0+50+50>) in which B<"W" / "H"> specify the
717horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
718centre (percent). A scale of 0 displays the image with tiling. A scale
719of 1 displays the image without any scaling. A scale of 2 to 9 specifies
720an integer number of images in that direction. No image will be magnified
721beyond 10 times its original size. The maximum permitted scale is 1000.
722Additional operations can be specified after colon B<:op1:op2...>.
723Supported operations are: 752Supported operations are:
724 753
725 tile force background image to be tiled and not scaled. Equivalent to 0x0, 754=over 4
726 propscale will scale image keeping proportions, 755
727 auto will scale image to match window size. Equivalent to 100x100; 756=item B<WxH+X+Y>
728 hscale will scale image horizontally to the window size; 757
729 vscale will scale image vertically to the window size; 758sets scale and position. B<"W" / "H"> specify the horizontal/vertical
730 scale will scale image to match window size; 759scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
731 root will tile image as if it was a root window background, auto-adjusting 760scale of 0 disables scaling. The maximum permitted scale is 1000.
732 whenever terminal window moves. 761
762=item B<op=tile>
763
764enables tiling
765
766=item B<op=keep-aspect>
767
768maintain the image aspect ratio when scaling
769
770=item B<op=root-align>
771
772use the position of the terminal window relative to the root window as
773the image offset, simulating a root window background
774
775=back
776
777The default scale and position setting is C<100x100+50+50>.
778Alternatively, a predefined set of templates can be used to achieve
779the most common setups:
780
781=over 4
782
783=item B<style=tiled>
784
785the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile
786
787=item B<style=aspect-stretched>
788
789the image is scaled to fill the whole window maintaining the aspect
790ratio and centered. Equivalent to 100x100+50+50:op=keep-aspect
791
792=item B<style=stretched>
793
794the image is scaled to fill the whole window. Equivalent to 100x100
795
796=item B<style=centered>
797
798the image is centered with no scaling. Equivalent to 0x0+50+50
799
800=item B<style=root-tiled>
801
802the image is tiled with no scaling and using 'root' positioning.
803Equivalent to 0x0:op=tile:op=root-align
804
805=back
806
807If multiple templates are specified the last one wins. Note that a
808template overrides all the scale, position and operations settings.
733 809
734If used in conjunction with B<-tr> option, the specified pixmap will be 810If used in conjunction with B<-tr> option, the specified pixmap will be
735blended over transparency image using either alpha-blending, or any 811blended over the transparent background using alpha-blending. If I<afterimage>
736other blending type, specified with B<-blt "type"> option. 812support has been compiled in it is possible to choose other blending
813types with B<-blt "type"> option.
737 814
738=item B<path:> I<path> 815=item B<path:> I<path>
739 816
740Specify the colon-delimited search path for finding background image files. 817Specify the colon-delimited search path for finding background image files.
741 818
768it is named first) and thus defines the character cell grid to be 9 pixels 845it is named first) and thus defines the character cell grid to be 9 pixels
769wide and 15 pixels high. 846wide and 15 pixels high.
770 847
771The second font is just used to add additional unicode characters not in 848The second font is just used to add additional unicode characters not in
772the base font, likewise the third, which is unfortunately non-bold, but 849the base font, likewise the third, which is unfortunately non-bold, but
773the bold version of the font does contain less characters, so this is a 850the bold version of the font does contain fewer characters, so this is a
774useful supplement. 851useful supplement.
775 852
776The third font is an Xft font with aliasing turned off, and the characters 853The third font is an Xft font with aliasing turned off, and the characters
777are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 854are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
778contains other characters, but we are not interested in them. 855contains other characters, but we are not interested in them.
802text font will being used for the given style. 879text font will being used for the given style.
803 880
804=item B<intensityStyles:> I<boolean> 881=item B<intensityStyles:> I<boolean>
805 882
806When font styles are not enabled, or this option is enabled (B<True>, 883When font styles are not enabled, or this option is enabled (B<True>,
807option B<-is>, the default), bold and italic font styles imply high 884option B<-is>, the default), bold/blink font styles imply high
808intensity foreground/background colours. Disabling this option (B<False>, 885intensity foreground/background colours. Disabling this option (B<False>,
809option B<+is>) disables this behaviour, the high intensity colours are not 886option B<+is>) disables this behaviour, the high intensity colours are not
810reachable. 887reachable.
811 888
812=item B<selectstyle:> I<mode>
813
814Set mouse selection style to B<old> which is 2.20, B<oldword> which
815is xterm style with 2.20 old word selection, or anything else which
816gives xterm style selection. Only effective when the original (non-perl)
817selection code is in use.
818
819=item B<scrollstyle:> I<mode>
820
821Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
822the author's favourite.
823
824=item B<title:> I<string> 889=item B<title:> I<string>
825 890
826Set window title string, the default title is the command-line 891Set window title string, the default title is the command-line
827specified after the B<-e> option, if any, otherwise the application 892specified after the B<-e> option, if any, otherwise the application
828name; option B<-title>. 893name; option B<-title>.
841=item B<urgentOnBell:> I<boolean> 906=item B<urgentOnBell:> I<boolean>
842 907
843B<True>: set the urgency hint for the wm on receipt of a bell character. 908B<True>: set the urgency hint for the wm on receipt of a bell character.
844B<False>: do not set the urgency hint [default]. 909B<False>: do not set the urgency hint [default].
845 910
911@@RXVT_NAME@@ resets the urgency hint on every focus change.
912
846=item B<visualBell:> I<boolean> 913=item B<visualBell:> I<boolean>
847 914
848B<True>: use visual bell on receipt of a bell character; option B<-vb>. 915B<True>: use visual bell on receipt of a bell character; option B<-vb>.
849B<False>: no visual bell [default]; option B<+vb>. 916B<False>: no visual bell [default]; option B<+vb>.
850 917
873 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 940 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
874 941
875This creates a new file in your home directory with the screen contents 942This creates a new file in your home directory with the screen contents
876every time you hit C<Print>. 943every time you hit C<Print>.
877 944
945=item B<scrollstyle:> I<mode>
946
947Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
948the author's favourite.
949
950=item B<thickness:> I<number>
951
952Set the scrollbar width in pixels.
953
878=item B<scrollBar:> I<boolean> 954=item B<scrollBar:> I<boolean>
879 955
880B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 956B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
881disable the scrollbar; option B<+sb>. 957disable the scrollbar; option B<+sb>.
882 958
901B<False>: do not scroll to bottom when tty receives output; option 977B<False>: do not scroll to bottom when tty receives output; option
902B<+si>. 978B<+si>.
903 979
904=item B<scrollWithBuffer:> I<boolean> 980=item B<scrollWithBuffer:> I<boolean>
905 981
906B<True>: scroll with scrollback buffer when tty receives new lines (and 982B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
907B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 983try to show the same lines) and B<scrollTtyOutput> is False; option
908with scrollback buffer when tty receives new lines; option B<+sw>. 984B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
985new lines; option B<+sw>.
909 986
910=item B<scrollTtyKeypress:> I<boolean> 987=item B<scrollTtyKeypress:> I<boolean>
911 988
912B<True>: scroll to bottom when a non-special key is pressed. Special keys 989B<True>: scroll to bottom when a non-special key is pressed. Special keys
913are those which are intercepted by rxvt-unicode for special handling and 990are those which are intercepted by rxvt-unicode for special handling and
969=item B<cursorBlink:> I<boolean> 1046=item B<cursorBlink:> I<boolean>
970 1047
971B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1048B<True>: blink the cursor. B<False>: do not blink the cursor [default];
972option B<-bc>. 1049option B<-bc>.
973 1050
1051=item B<cursorUnderline:> I<boolean>
1052
1053B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1054option B<-uc>.
1055
974=item B<pointerBlank:> I<boolean> 1056=item B<pointerBlank:> I<boolean>
975 1057
976B<True>: blank the pointer when a key is pressed or after a set number 1058B<True>: blank the pointer when a key is pressed or after a set number
977of seconds of inactivity. B<False>: the pointer is always visible 1059of seconds of inactivity. B<False>: the pointer is always visible
978[default]. 1060[default].
991large number (e.g. C<987654321>) to effectively disable the timeout. 1073large number (e.g. C<987654321>) to effectively disable the timeout.
992 1074
993=item B<backspacekey:> I<string> 1075=item B<backspacekey:> I<string>
994 1076
995The string to send when the backspace key is pressed. If set to B<DEC> 1077The string to send when the backspace key is pressed. If set to B<DEC>
996or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1078or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
997(code 8) - which can be reversed with the appropriate DEC private mode 1079(code 8) - which can be reversed with the appropriate DEC private mode
998escape sequence. 1080escape sequence.
999 1081
1000=item B<deletekey:> I<string> 1082=item B<deletekey:> I<string>
1001 1083
1080 1162
1081=item B<secondaryScroll:> I<boolean> 1163=item B<secondaryScroll:> I<boolean>
1082 1164
1083Turn on/off secondary screen scroll (default enabled). If this 1165Turn on/off secondary screen scroll (default enabled). If this
1084option is enabled, scrolls on the secondary screen will change the 1166option is enabled, scrolls on the secondary screen will change the
1085scrollback buffer and switching to/from the secondary screen will 1167scrollback buffer and, when secondaryScreen is off, switching
1086instead scroll the screen up. 1168to/from the secondary screen will instead scroll the screen up.
1087 1169
1088=item B<hold>: I<boolean> 1170=item B<hold>: I<boolean>
1089 1171
1090Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1172Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1091will not immediately destroy its window when the program executed within 1173will not immediately destroy its window when the program executed within
1092it exits. Instead, it will wait till it is being killed or closed by the 1174it exits. Instead, it will wait till it is being killed or closed by the
1093user. 1175user.
1176
1177=item B<chdir>: I<path>
1178
1179Sets the working directory for the shell (or the command specified via
1180B<-e>). The I<path> must be an absolute path and it must exist for
1181@@RXVT_NAME@@ to start. If it isn't specified then the current working
1182directory will be used; option B<-cd>.
1094 1183
1095=item B<keysym.>I<sym>: I<string> 1184=item B<keysym.>I<sym>: I<string>
1096 1185
1097Compile I<frills>: Associate I<string> with keysym I<sym>. The 1186Compile I<frills>: Associate I<string> with keysym I<sym>. The
1098intervening resource name B<keysym.> cannot be omitted. 1187intervening resource name B<keysym.> cannot be omitted.
1113omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1202omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1114keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1203keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1115performed in an exact manner; however, the closest match is assured. 1204performed in an exact manner; however, the closest match is assured.
1116 1205
1117I<string> may contain escape values (C<\n>: newline, C<\000>: octal 1206I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1118number), see RESOURCES in C<man 7 X> for futher details. 1207number), see RESOURCES in C<man 7 X> for further details.
1119 1208
1120You can define a range of keysyms in one shot by providing a I<string> 1209You can define a range of keysyms in one shot by
1210loading the C<keysym-list> perl extension and providing a I<string>
1121with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1211with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1122should be a character not used by the strings. 1212should be a character not used by the strings.
1123 1213
1124Its usage can be demonstrated by an example: 1214Its usage can be demonstrated by an example:
1125 1215
1126 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1216 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1127 1217
1128The above line is equivalent to the following three lines: 1218The above line is equivalent to the following three lines:
1129 1219
1130 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1220 URxvt.keysym.Meta-Control-0x61: \033<a>
1131 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1221 URxvt.keysym.Meta-Control-0x62: \033<b>
1132 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1222 URxvt.keysym.Meta-Control-0x63: \033<c>
1133 1223
1134If I<string> takes the form of C<command:STRING>, the specified B<STRING> 1224If I<string> takes the form of C<command:STRING>, the specified B<STRING>
1135is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1225is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1136example the following means "change the current locale to C<zh_CN.GBK> 1226example the following means "change the current locale to C<zh_CN.GBK>
1137when Control-Meta-c is being pressed": 1227when Control-Meta-c is being pressed":
1138 1228
1139 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1229 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1140 1230
1141If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1231If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1142is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1232is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1143manpage. For example, the F<selection> extension (activated via 1233manpage. For example, the F<selection> extension (activated via
1144C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1234C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1145 1235
1146 URxvt.keysym.M-C-c: perl:selection:rot13 1236 URxvt.keysym.M-C-c: perl:selection:rot13
1147 1237
1148Due the the large number of modifier combinations, a defined key mapping 1238Due the the large number of modifier combinations, a defined key mapping
1149will match if at I<at least> the specified identifiers are being set, and 1239will match if I<at least> the specified identifiers are being set, and
1150no other key mappings with those and more bits are being defined. That 1240no other key mappings with those and more bits are being defined. That
1151means that defining a key map for C<a> will automatically provide 1241means that defining a key map for C<a> will automatically provide
1152definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1242definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1153mappings themselves. 1243mappings themselves.
1154 1244
1205all instances, while B<perl-ext> is used for specific instances. 1295all instances, while B<perl-ext> is used for specific instances.
1206 1296
1207=item B<perl-eval>: I<string> 1297=item B<perl-eval>: I<string>
1208 1298
1209Perl code to be evaluated when all extensions have been registered. See 1299Perl code to be evaluated when all extensions have been registered. See
1210the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1300the @@RXVT_NAME@@perl(3) manpage.
1211will be ignored when running setuid/setgid.
1212 1301
1213=item B<perl-lib>: I<path> 1302=item B<perl-lib>: I<path>
1214 1303
1215Colon-separated list of additional directories that hold extension 1304Colon-separated list of additional directories that hold extension
1216scripts. When looking for extensions specified by the C<perl> resource, 1305scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1217@@RXVT_NAME@@ will first look in these directories and then in 1306look in these directories, then in $HOME/.urxvt/ext and lastly in
1218F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1307F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1219will be ignored when running setuid/setgid.
1220 1308
1221See the @@RXVT_NAME@@perl(3) manpage. 1309See the @@RXVT_NAME@@perl(3) manpage.
1222 1310
1223=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1311=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1224 1312
1246 1334
1247=item B<override-redirect>: I<boolean> 1335=item B<override-redirect>: I<boolean>
1248 1336
1249Compile I<frills>: Sets override-redirect for the terminal window, making 1337Compile I<frills>: Sets override-redirect for the terminal window, making
1250it almost invisible to window managers; option B<-override-redirect>. 1338it almost invisible to window managers; option B<-override-redirect>.
1339
1340=item B<iso14755:> I<boolean>
1341
1342Turn on/off ISO 14755 (default enabled).
1251 1343
1252=item B<iso14755_52:> I<boolean> 1344=item B<iso14755_52:> I<boolean>
1253 1345
1254Turn on/off ISO 14755 5.2 mode (default enabled). 1346Turn on/off ISO 14755 5.2 mode (default enabled).
1255 1347
1398B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1490B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1399it can be seen via the I<who(1)> command, and can accept messages. To 1491it can be seen via the I<who(1)> command, and can accept messages. To
1400allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1492allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1401on some systems or setgid to root or to some other group on others. 1493on some systems or setgid to root or to some other group on others.
1402 1494
1403=head1 COLORS AND GRAPHICS 1495=head1 COLOURS AND GRAPHICS
1404 1496
1405In addition to the default foreground and background colours, 1497In addition to the default foreground and background colours,
1406B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1498B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1407high-intensity bold/blink versions of the same). Here is a list of the 1499high-intensity (potentially bold/blink) versions of the same, and 72 (or
1408colours with their names. 1500240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1501cube plus a 8 (24) colour greyscale ramp.
1502
1503Here is a list of the ANSI colours with their names.
1409 1504
1410=begin table 1505=begin table
1411 1506
1412 B<color0> (black) = Black 1507 B<color0> (black) = Black
1413 B<color1> (red) = Red3 1508 B<color1> (red) = Red3
1433It is also possible to specify the colour values of B<foreground>, 1528It is also possible to specify the colour values of B<foreground>,
1434B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1529B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1435a number 0-15, as a convenient shorthand to reference the colour name of 1530a number 0-15, as a convenient shorthand to reference the colour name of
1436color0-color15. 1531color0-color15.
1437 1532
1438In addition to the colours defined above, @@RXVT_NAME@@ offers an 1533The following text gives values for the standard 88 colour mode (and
1439additional 72 colours. The first 64 of those (with indices 16 to 79) 1534values for the 256 colour mode in parentheses).
1440consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
144116>), followed by 8 additional shades of gray (with indices 80 to 87).
1442 1535
1536The RGB cube uses indices 16..79 (16..231) using the following formulas:
1537
1538 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1539 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1540
1541The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1542steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1543the RGB cube.
1544
1443Together, all those colours implement the 88 colour xterm colours. Only 1545Together, all those colours implement the 88 (256) colour xterm
1444the first 16 can be changed using resources currently, the rest can only 1546colours. Only the first 16 can be changed using resources currently, the
1445be changed via command sequences ("escape codes"). 1547rest can only be changed via command sequences ("escape codes").
1548
1549Applications are advised to use terminfo or command sequences to discover
1550number and RGB values of all colours (yes, you can query this...).
1446 1551
1447Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1552Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1448always swapping the foreground/background colours. This is in contrast to 1553always swapping the foreground/background colours. This is in contrast to
1449I<xterm>(1) where the colours are only swapped if they have not otherwise 1554I<xterm>(1) where the colours are only swapped if they have not otherwise
1450been specified. For example, 1555been specified. For example,
1451 1556
1452=over 4
1453
1454=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1557 @@RXVT_NAME@@ -fg Black -bg White -rv
1455 1558
1456would yield White on Black, while on I<xterm>(1) it would yield Black 1559would yield White on Black, while on I<xterm>(1) it would yield Black on
1457on White. 1560White.
1458
1459=back
1460 1561
1461=head2 ALPHA CHANNEL SUPPORT 1562=head2 ALPHA CHANNEL SUPPORT
1462 1563
1463If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1564If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1464their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1565their act together, rxvt-unicode will do its own alpha channel management:
1465(recommended, but B<MUST> have 4 digits/component) colour specifications, 1566
1466in addition to the ones provided by X, where the additional A component 1567You can prefix any colour with an opaqueness percentage enclosed in
1568brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1569(0-100) that specifies the opacity of the colour, where C<0> is completely
1570transparent and C<100> is completely opaque. For example, C<[50]red> is a
1571half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1572is the recommended format to specify transparency values, and works with
1573all ways to specify a colour.
1574
1575For complete control, rxvt-unicode also supports
1576C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1577specifications, where the additional C<aaaa> component specifies opacity
1467specifies opacity (alpha) values. The minimum value of C<0> is completely 1578(alpha) values. The minimum value of C<0000> is completely transparent,
1468transparent). You can also prefix any color with C<[percent]>, where 1579while C<ffff> is completely opaque). The two example colours from
1469C<percent> is a decimal percentage (0-100) that specifies the opacity of 1580earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1470the color, where C<0> is completely transparent and C<100> is completelxy 1581C<rgba:0000/ff00/0000/f332>.
1471opaque.
1472 1582
1473You probably need to specify B<"-depth 32">, too, and have the luck that 1583You probably need to specify B<"-depth 32">, too, to force a visual with
1474your X-server uses ARGB pixel layout, as X is far from just supporting 1584alpha channels, and have the luck that your X-server uses ARGB pixel
1475ARGB visuals out of the box, and rxvt-unicode just fudges around. 1585layout, as X is far from just supporting ARGB visuals out of the box, and
1586rxvt-unicode just fudges around.
1476 1587
1477For example, the following selects an almost completely transparent red 1588For example, the following selects an almost completely transparent black
1478background, and an almost opaque pink foreground: 1589background, and an almost opaque pink foreground:
1479 1590
1480 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1591 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1481 1592
1482I<Please note that transparency of any kind if completely unsupported by 1593When not using a background image, then the interpretation of the
1483the author. Don't bug him with installation questions!> 1594alpha channel is up to your compositing manager (most interpret it as
1595transparency of course).
1596
1597When using a background pixmap or pseudo-transparency, then the background
1598colour will always behave as if it were completely transparent (so the
1599background image shows instead), regardless of how it was specified, while
1600other colours will either be transparent as specified (the background
1601image will show through) on servers supporting the RENDER extension, or
1602fully opaque on servers not supporting the RENDER EXTENSION.
1603
1604Please note that due to bugs in Xft, specifying alpha values might result
1605in garbage being displayed when the X-server does not support the RENDER
1606extension.
1484 1607
1485=head1 ENVIRONMENT 1608=head1 ENVIRONMENT
1486 1609
1487B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1610B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1488 1611
1522C<--with-terminfo=PATH>. 1645C<--with-terminfo=PATH>.
1523 1646
1524=item B<DISPLAY> 1647=item B<DISPLAY>
1525 1648
1526Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1649Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1527display in its child processes. 1650display in its child processes if C<-display> isn't used to override. It
1651defaults to C<:0> if it doesn't exist.
1528 1652
1529=item B<SHELL> 1653=item B<SHELL>
1530 1654
1531The shell to be used for command execution, defaults to C</bin/sh>. 1655The shell to be used for command execution, defaults to C</bin/sh>.
1532 1656
1533=item B<RXVT_SOCKET> 1657=item B<RXVT_SOCKET>
1534 1658
1535The unix domain socket path used by @@RXVT_NAME@@c(1) and 1659The unix domain socket path used by @@RXVT_NAME@@c(1) and
1536@@RXVT_NAME@@d(1). 1660@@RXVT_NAME@@d(1).
1537 1661
1538Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1662Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1539 1663
1540=item B<HOME> 1664=item B<HOME>
1541 1665
1542Used to locate the default directory for the unix domain socket for 1666Used to locate the default directory for the unix domain socket for
1543daemon communications and to locate various resource files (such as 1667daemon communications and to locate various resource files (such as
1544C<.Xdefaults>) 1668C<.Xdefaults>)
1545 1669
1546=item B<XAPPLRESDIR> 1670=item B<XAPPLRESDIR>
1547 1671
1548Directory where various X resource files are being located. 1672Directory where application-specific X resource files are located.
1549 1673
1550=item B<XENVIRONMENT> 1674=item B<XENVIRONMENT>
1551 1675
1552If 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
1553@@RXVT_NAME@@. 1677@@RXVT_NAME@@.
1558 1682
1559=over 4 1683=over 4
1560 1684
1561=item B</usr/lib/X11/rgb.txt> 1685=item B</usr/lib/X11/rgb.txt>
1562 1686
1563Color names. 1687Colour names.
1564 1688
1565=back 1689=back
1566 1690
1567=head1 SEE ALSO 1691=head1 SEE ALSO
1568 1692
1619 1743
1620Project Coordinator (Changes 1.0 -) 1744Project Coordinator (Changes 1.0 -)
1621 1745
1622=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1746=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1623 1747
1624Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1748pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1625 1749
1626=back 1750=back
1627 1751

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