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Revision 1.148 by ayin, Sat Nov 24 17:07:46 2007 UTC vs.
Revision 1.211 by sf-exg, Sat Dec 31 17:17:12 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; resource B<transparent>. 129Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
122 130
123B<-ip> is still accepted as an obsolete alias but will be removed in 131B<-ip> is still accepted as an obsolete alias but will be removed in
124future versions. 132future versions.
125
126I<Please address all transparency related issues to Sasha Vasko at
127sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
128 133
129=item B<-fade> I<number> 134=item B<-fade> I<number>
130 135
131Fade 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
132fade a little only, 100 completely replaces all colours by the fade 137fade a little only, 100 completely replaces all colours by the fade
137Fade 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
138is opaque black. resource B<fadeColor>. 143is opaque black. resource B<fadeColor>.
139 144
140=item B<-tint> I<colour> 145=item B<-tint> I<colour>
141 146
142Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
143transparency is enabled with B<-tr>. This only works for 148resource I<tintColor>.
144non-tiled backgrounds, currently. See also the B<-sh> option that can be
145used to brighten or darken the image in addition to tinting it.
146Please note that certain tint colours can be applied on the server-side,
147thus yielding performance gain of two orders of magnitude. These colours are:
148blue, red, green, cyan, magenta, yellow, and those close to them. Also
149pure black and pure white colors essentially mean no tinting; resource
150I<tintColor>. Example:
151
152 @@RXVT_NAME@@ -tr -tint blue -sh 40
153 149
154=item B<-sh> I<number> 150=item B<-sh> I<number>
155 151
156Darken (0 .. 100) or lighten (100 .. 200) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
157background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
158resource I<shading>.
159 154
160=item B<-blt> I<string> 155=item B<-blt> I<string>
161 156
162Specify background blending type. If background pixmap is specified 157Specify background blending type. If background pixmap is specified
163at the same time as transparency - such pixmap will be blended over 158at the same time as transparency - such pixmap will be blended over
164transparency image, using method specified. Supported values are : 159the transparent background, using the method specified. Supported values are:
165B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 160B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
166B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
167B<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
168alpha-blending. Compile I<afterimage>; resource I<blendType>. 163alpha-blending. Compile I<afterimage>; resource I<blendType>.
169 164
170=item B<-blr> I<HxV> 165=item B<-blr> I<HxV>
171 166
172Apply Gaussian Blur with the specified radii to the transparent 167Apply Gaussian Blur with the specified radii to the transparent
173background image. If single number is specified - both vertical and 168background. If a single number is specified, the vertical and
174horizontal radii are considered to be the same. Setting one of the 169horizontal radii are considered to be the same. Setting one of the
175radii to 1 and another to a large number creates interesting effects 170radii to 1 and the other to a large number creates interesting effects
176on some backgrounds. Maximum radius value is 128. Compile I<afterimage>; 171on some backgrounds. The maximum radius value is 128;
177resource I<blurRadius>. 172resource I<blurRadius>.
178 173
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
179=item B<-bg> I<colour> 180=item B<-bg> I<colour>
180 181
181Window background colour; resource B<background>. 182Window background colour; resource B<background>.
182 183
183=item B<-fg> I<colour> 184=item B<-fg> I<colour>
184 185
185Window foreground colour; resource B<foreground>. 186Window foreground colour; resource B<foreground>.
186 187
187=item B<-pixmap> I<file[;geom[:op1][:op2][...]]> 188=item B<-pixmap> I<file[;oplist]>
188 189
189Compile I<afterimage>: Specify image file for the background and also 190Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
190optionally 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
191add quotes to avoid special shell interpretation of the C<;> in the 192add quotes to avoid special shell interpretation of the C<;> in the
192command-line; for more details see resource B<backgroundPixmap>. 193command-line; for more details see resource B<backgroundPixmap>.
193 194
194=item B<-cr> I<colour> 195=item B<-cr> I<colour>
195 196
242italic> >> characters are to be printed. See resource B<boldItalicFont> 243italic> >> characters are to be printed. See resource B<boldItalicFont>
243for details. 244for details.
244 245
245=item B<-is>|B<+is> 246=item B<-is>|B<+is>
246 247
247Compile I<font-styles>: Bold/Italic font styles imply high intensity 248Compile I<font-styles>: Bold/Blink font styles imply high intensity
248foreground/background (default). See resource B<intensityStyles> for 249foreground/background (default). See resource B<intensityStyles> for
249details. 250details.
250 251
251=item B<-name> I<name> 252=item B<-name> I<name>
252 253
270 271
271=item B<-sb>|B<+sb> 272=item B<-sb>|B<+sb>
272 273
273Turn on/off scrollbar; resource B<scrollBar>. 274Turn on/off scrollbar; resource B<scrollBar>.
274 275
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
275=item B<-si>|B<+si> 285=item B<-si>|B<+si>
276 286
277Turn on/off scroll-to-bottom on TTY output inhibit; resource 287Turn on/off scroll-to-bottom on TTY output inhibit; resource
278B<scrollTtyOutput> has opposite effect. 288B<scrollTtyOutput> has opposite effect.
279 289
285=item B<-sw>|B<+sw> 295=item B<-sw>|B<+sw>
286 296
287Turn on/off scrolling with the scrollback buffer as new lines appear. 297Turn on/off scrolling with the scrollback buffer as new lines appear.
288This only takes effect if B<-si> is also given; resource 298This only takes effect if B<-si> is also given; resource
289B<scrollWithBuffer>. 299B<scrollWithBuffer>.
290
291=item B<-sr>|B<+sr>
292
293Put scrollbar on right/left; resource B<scrollBar_right>.
294
295=item B<-st>|B<+st>
296
297Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
298resource B<scrollBar_floating>.
299 300
300=item B<-ptab>|B<+ptab> 301=item B<-ptab>|B<+ptab>
301 302
302If enabled (default), "Horizontal Tab" characters are being stored as 303If enabled (default), "Horizontal Tab" characters are being stored as
303actual wide characters in the screen buffer, which makes it possible to 304actual wide characters in the screen buffer, which makes it possible to
307 308
308=item B<-bc>|B<+bc> 309=item B<-bc>|B<+bc>
309 310
310Blink the cursor; resource B<cursorBlink>. 311Blink the cursor; resource B<cursorBlink>.
311 312
313=item B<-uc>|B<+uc>
314
315Make the cursor underlined; resource B<cursorUnderline>.
316
312=item B<-iconic> 317=item B<-iconic>
313 318
314Start iconified, if the window manager supports that option. 319Start iconified, if the window manager supports that option.
315Alternative form is B<-ic>. 320Alternative form is B<-ic>.
316 321
332 337
333=item B<-bl> 338=item B<-bl>
334 339
335Compile 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.
336if 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
337decorations; resource B<borderLess>. 342decorations; resource B<borderLess>. If the window manager does not
343support MWM hints (e.g. kwin), enables override-redirect mode.
338 344
339=item B<-override-redirect> 345=item B<-override-redirect>
340 346
341Compile I<frills>: Sets override-redirect on the window; resource 347Compile I<frills>: Sets override-redirect on the window; resource
342B<override-redirect>. 348B<override-redirect>.
351=item B<-lsp> I<number> 357=item B<-lsp> I<number>
352 358
353Compile I<frills>: Lines (pixel height) to insert between each row of 359Compile I<frills>: Lines (pixel height) to insert between each row of
354the display. Useful to work around font rendering problems; resource 360the display. Useful to work around font rendering problems; resource
355B<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>.
356 369
357=item B<-tn> I<termname> 370=item B<-tn> I<termname>
358 371
359This 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
360B<TERM> environment variable. This terminal type must exist in the 373B<TERM> environment variable. This terminal type must exist in the
415 428
416=item B<-tcw> 429=item B<-tcw>
417 430
418Change the meaning of triple-click selection with the left mouse 431Change the meaning of triple-click selection with the left mouse
419button. Only effective when the original (non-perl) selection code is 432button. Only effective when the original (non-perl) selection code is
420in-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
421end of the logical line only. resource B<tripleclickwords>. 434the end of the logical line only. resource B<tripleclickwords>.
422 435
423=item B<-insecure> 436=item B<-insecure>
424 437
425Enable "insecure" mode, which currently enables most of the escape 438Enable "insecure" mode, which currently enables most of the escape
426sequences that echo strings. See the resource B<insecure> for more 439sequences that echo strings. See the resource B<insecure> for more
446 459
447Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 460Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
448will not immediately destroy its window when the program executed within 461will not immediately destroy its window when the program executed within
449it exits. Instead, it will wait till it is being killed or closed by the 462it exits. Instead, it will wait till it is being killed or closed by the
450user; 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>.
451 470
452=item B<-xrm> I<string> 471=item B<-xrm> I<string>
453 472
454Works 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>
455as 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
503If 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
504entries 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
505yourself if you want that. 524yourself if you want that.
506 525
507As an extremely special case, specifying C<-1> will completely suppress 526As an extremely special case, specifying C<-1> will completely suppress
508pty/tty operations. 527pty/tty operations, which is probably only useful in conjunction with some
528perl extension that manages the terminal.
509 529
510Here 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
511longer example is in F<doc/pty-fd>): 531longer example is in F<doc/pty-fd>):
512 532
513 use IO::Pty; 533 use IO::Pty;
527Comma-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
528this terminal instance. See resource B<perl-ext> for details. 548this terminal instance. See resource B<perl-ext> for details.
529 549
530=back 550=back
531 551
532=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
533 553
534Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
535options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
536 557
537You 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
538distribution do also load settings from the B<~/.Xresources> file when X 559distribution do also load settings from the B<~/.Xresources> file when X
539starts. @@RXVT_NAME@@ will consult the following files/resources in order, 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
540with later settings overwriting earlier ones: 561with later settings overwriting earlier ones:
541 562
542 1. system-wide app-defaults file, either locale-dependent OR global
543 2. app-defaults file in $XAPPLRESDIR 563 1. app-defaults file in $XAPPLRESDIR
564 2. $HOME/.Xdefaults
544 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 565 3. RESOURCE_MANAGER property on root-window of screen 0
545 4. SCREEN_RESOURCES for the current screen 566 4. SCREEN_RESOURCES property on root-window of the current screen
546 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
547 6. resources specified via -xrm on the commandline 568 6. resources specified via -xrm on the commandline
548 569
549Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
550names: 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
562=item B<depth:> I<bitdepth> 583=item B<depth:> I<bitdepth>
563 584
564Compile 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;
565option B<-depth>. 586option B<-depth>.
566 587
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
567=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
568 596
569Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
570option B<-geometry>. 598option B<-geometry>.
571 599
584Use 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
585corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
586high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
587colours. 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,
5883=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
589names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
590 618
591Colours 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
592changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
593 621
594Colours 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
605=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
606 634
607Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
608foreground colour is the default. 636foreground colour is the default.
609 637
610=item B<colorRV:> I<colour>
611
612Use the specified colour as the background for reverse video characters
613when OPTION_HC is disabled (--disable-frills).
614
615=item B<underlineColor:> I<colour> 638=item B<underlineColor:> I<colour>
616 639
617If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
618itself. 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.
619 652
620=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
621 654
622Use 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
623foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
630 663
631=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
632 665
633B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
634option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
635B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
636 669
637=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
638 671
639B<True>: specify that jump scrolling should be used. When receiving lots 672B<True>: specify that jump scrolling should be used. When receiving lots
640of 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
656if 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
657monitor to display anything); option B<+ss>. 690monitor to display anything); option B<+ss>.
658 691
659=item B<transparent:> I<boolean> 692=item B<transparent:> I<boolean>
660 693
661Turn on/off illusion of a transparent window background. 694Turn on/off pseudo-transparency by using the root pixmap as background.
662 695
663B<inheritPixmap> is still accepted as an obsolete alias but will be removed in 696B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
664future versions. 697future versions.
665 698
666I<Please address all transparency related issues to Sasha Vasko at
667sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
668
669=item B<fading:> I<number> 699=item B<fading:> I<number>
670 700
671Fade 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>.
672 702
673=item B<fadeColor:> I<colour> 703=item B<fadeColor:> I<colour>
675Fade 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
676colour is black; option B<-fadecolor>. 706colour is black; option B<-fadecolor>.
677 707
678=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
679 709
680Tint the transparent background pixmap with the given colour; option 710Tint the transparent background with the given colour. If the RENDER
681B<-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>.
682 715
683=item B<shading:> I<number> 716=item B<shading:> I<number>
684 717
685Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 718Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
686in addition to tinting it; option B<-sh>. 719A value of 100 means no shading; option B<-sh>.
687 720
688=item B<blendType:> I<string> 721=item B<blendType:> I<string>
689 722
690Specify background blending type; option B<-blt>. 723Specify background blending type; option B<-blt>.
691 724
692=item B<blurRadius:> I<number> 725=item B<blurRadius:> I<number>
693 726
694Apply Gaussian Blurr with the specified radius to the transparent 727Apply gaussian blur with the specified radius to the transparent
695background image; option B<-blr>. 728background; option B<-blr>.
729
730=item B<iconFile:> I<file>
731
732Set the application icon pixmap; option B<-icon>.
696 733
697=item B<scrollColor:> I<colour> 734=item B<scrollColor:> I<colour>
698 735
699Use the specified colour for the scrollbar [default #B2B2B2]. 736Use the specified colour for the scrollbar [default #B2B2B2].
700 737
706=item B<borderColor:> I<colour> 743=item B<borderColor:> I<colour>
707 744
708The 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
709and the text. 746and the text.
710 747
711=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]> 748=item B<backgroundPixmap:> I<file[;oplist]>
712 749
713Use the specified image file for the background and also 750Use the specified image file for the background and also
714optionally specify its scaling with a geometry string B<WxH+X+Y>, 751optionally specify a colon separated list of operations to modify it.
715(default C<0x0+50+50>) in which B<"W" / "H"> specify the
716horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
717centre (percent). A scale of 0 displays the image with tiling. A scale
718of 1 displays the image without any scaling. A scale of 2 to 9 specifies
719an integer number of images in that direction. No image will be magnified
720beyond 10 times its original size. The maximum permitted scale is 1000.
721Additional operations can be specified after colon B<:op1:op2...>.
722Supported operations are: 752Supported operations are:
723 753
724 tile force background image to be tiled and not scaled. Equivalent to 0x0, 754=over 4
725 propscale will scale image keeping proportions, 755
726 auto will scale image to match window size. Equivalent to 100x100; 756=item B<WxH+X+Y>
727 hscale will scale image horizontally to the window size; 757
728 vscale will scale image vertically to the window size; 758sets scale and position. B<"W" / "H"> specify the horizontal/vertical
729 scale will scale image to match window size; 759scale (percent), and B<"X" / "Y"> locate the image centre (percent). A
730 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.
731 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.
732 809
733If 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
734blended over transparency image using either alpha-blending, or any 811blended over the transparent background using alpha-blending. If I<afterimage>
735other 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.
736 814
737=item B<path:> I<path> 815=item B<path:> I<path>
738 816
739Specify the colon-delimited search path for finding background image files. 817Specify the colon-delimited search path for finding background image files.
740 818
767it 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
768wide and 15 pixels high. 846wide and 15 pixels high.
769 847
770The 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
771the base font, likewise the third, which is unfortunately non-bold, but 849the base font, likewise the third, which is unfortunately non-bold, but
772the 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
773useful supplement. 851useful supplement.
774 852
775The 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
776are 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
777contains other characters, but we are not interested in them. 855contains other characters, but we are not interested in them.
801text font will being used for the given style. 879text font will being used for the given style.
802 880
803=item B<intensityStyles:> I<boolean> 881=item B<intensityStyles:> I<boolean>
804 882
805When 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>,
806option B<-is>, the default), bold and italic font styles imply high 884option B<-is>, the default), bold/blink font styles imply high
807intensity foreground/background colours. Disabling this option (B<False>, 885intensity foreground/background colours. Disabling this option (B<False>,
808option B<+is>) disables this behaviour, the high intensity colours are not 886option B<+is>) disables this behaviour, the high intensity colours are not
809reachable. 887reachable.
810 888
811=item B<selectstyle:> I<mode>
812
813Set mouse selection style to B<old> which is 2.20, B<oldword> which
814is xterm style with 2.20 old word selection, or anything else which
815gives xterm style selection. Only effective when the original (non-perl)
816selection code is in use.
817
818=item B<scrollstyle:> I<mode>
819
820Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
821the author's favourite.
822
823=item B<title:> I<string> 889=item B<title:> I<string>
824 890
825Set window title string, the default title is the command-line 891Set window title string, the default title is the command-line
826specified after the B<-e> option, if any, otherwise the application 892specified after the B<-e> option, if any, otherwise the application
827name; option B<-title>. 893name; option B<-title>.
840=item B<urgentOnBell:> I<boolean> 906=item B<urgentOnBell:> I<boolean>
841 907
842B<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.
843B<False>: do not set the urgency hint [default]. 909B<False>: do not set the urgency hint [default].
844 910
911@@RXVT_NAME@@ resets the urgency hint on every focus change.
912
845=item B<visualBell:> I<boolean> 913=item B<visualBell:> I<boolean>
846 914
847B<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>.
848B<False>: no visual bell [default]; option B<+vb>. 916B<False>: no visual bell [default]; option B<+vb>.
849 917
872 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 940 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
873 941
874This 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
875every time you hit C<Print>. 943every time you hit C<Print>.
876 944
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
877=item B<scrollBar:> I<boolean> 954=item B<scrollBar:> I<boolean>
878 955
879B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 956B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
880disable the scrollbar; option B<+sb>. 957disable the scrollbar; option B<+sb>.
881 958
900B<False>: do not scroll to bottom when tty receives output; option 977B<False>: do not scroll to bottom when tty receives output; option
901B<+si>. 978B<+si>.
902 979
903=item B<scrollWithBuffer:> I<boolean> 980=item B<scrollWithBuffer:> I<boolean>
904 981
905B<True>: scroll with scrollback buffer when tty receives new lines (and 982B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
906B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 983try to show the same lines) and B<scrollTtyOutput> is False; option
907with 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>.
908 986
909=item B<scrollTtyKeypress:> I<boolean> 987=item B<scrollTtyKeypress:> I<boolean>
910 988
911B<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
912are those which are intercepted by rxvt-unicode for special handling and 990are those which are intercepted by rxvt-unicode for special handling and
968=item B<cursorBlink:> I<boolean> 1046=item B<cursorBlink:> I<boolean>
969 1047
970B<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];
971option B<-bc>. 1049option B<-bc>.
972 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
973=item B<pointerBlank:> I<boolean> 1056=item B<pointerBlank:> I<boolean>
974 1057
975B<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
976of seconds of inactivity. B<False>: the pointer is always visible 1059of seconds of inactivity. B<False>: the pointer is always visible
977[default]. 1060[default].
990large number (e.g. C<987654321>) to effectively disable the timeout. 1073large number (e.g. C<987654321>) to effectively disable the timeout.
991 1074
992=item B<backspacekey:> I<string> 1075=item B<backspacekey:> I<string>
993 1076
994The 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>
995or 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>
996(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
997escape sequence. 1080escape sequence.
998 1081
999=item B<deletekey:> I<string> 1082=item B<deletekey:> I<string>
1000 1083
1079 1162
1080=item B<secondaryScroll:> I<boolean> 1163=item B<secondaryScroll:> I<boolean>
1081 1164
1082Turn on/off secondary screen scroll (default enabled). If this 1165Turn on/off secondary screen scroll (default enabled). If this
1083option is enabled, scrolls on the secondary screen will change the 1166option is enabled, scrolls on the secondary screen will change the
1084scrollback buffer and switching to/from the secondary screen will 1167scrollback buffer and, when secondaryScreen is off, switching
1085instead scroll the screen up. 1168to/from the secondary screen will instead scroll the screen up.
1086 1169
1087=item B<hold>: I<boolean> 1170=item B<hold>: I<boolean>
1088 1171
1089Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1172Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1090will not immediately destroy its window when the program executed within 1173will not immediately destroy its window when the program executed within
1091it 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
1092user. 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>.
1093 1183
1094=item B<keysym.>I<sym>: I<string> 1184=item B<keysym.>I<sym>: I<string>
1095 1185
1096Compile I<frills>: Associate I<string> with keysym I<sym>. The 1186Compile I<frills>: Associate I<string> with keysym I<sym>. The
1097intervening resource name B<keysym.> cannot be omitted. 1187intervening resource name B<keysym.> cannot be omitted.
1112omitting 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
1113keysym 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
1114performed in an exact manner; however, the closest match is assured. 1204performed in an exact manner; however, the closest match is assured.
1115 1205
1116I<string> may contain escape values (C<\n>: newline, C<\000>: octal 1206I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1117number), see RESOURCES in C<man 7 X> for futher details. 1207number), see RESOURCES in C<man 7 X> for further details.
1118 1208
1119You 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>
1120with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1211with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1121should be a character not used by the strings. 1212should be a character not used by the strings.
1122 1213
1123Its usage can be demonstrated by an example: 1214Its usage can be demonstrated by an example:
1124 1215
1125 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1216 URxvt.keysym.M-C-0x61: list|\033<|abc|>
1126 1217
1127The above line is equivalent to the following three lines: 1218The above line is equivalent to the following three lines:
1128 1219
1129 URxvt.keysym.Meta-Control-0x61: \033<M-C-a> 1220 URxvt.keysym.Meta-Control-0x61: \033<a>
1130 URxvt.keysym.Meta-Control-0x62: \033<M-C-b> 1221 URxvt.keysym.Meta-Control-0x62: \033<b>
1131 URxvt.keysym.Meta-Control-0x63: \033<M-C-c> 1222 URxvt.keysym.Meta-Control-0x63: \033<c>
1132 1223
1133If 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>
1134is interpreted and executed as @@RXVT_NAME@@'s control sequence. For 1225is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
1135example 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>
1136when Control-Meta-c is being pressed": 1227when Control-Meta-c is being pressed":
1137 1228
1138 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
1139 1230
1140If 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>
1141is 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)
1142manpage. For example, the F<selection> extension (activated via 1233manpage. For example, the F<selection> extension (activated via
1143C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1234C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1144 1235
1145 URxvt.keysym.M-C-c: perl:selection:rot13 1236 URxvt.keysym.M-C-c: perl:selection:rot13
1146 1237
1147Due the the large number of modifier combinations, a defined key mapping 1238Due the the large number of modifier combinations, a defined key mapping
1148will 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
1149no 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
1150means that defining a key map for C<a> will automatically provide 1241means that defining a key map for C<a> will automatically provide
1151definitions 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
1152mappings themselves. 1243mappings themselves.
1153 1244
1204all instances, while B<perl-ext> is used for specific instances. 1295all instances, while B<perl-ext> is used for specific instances.
1205 1296
1206=item B<perl-eval>: I<string> 1297=item B<perl-eval>: I<string>
1207 1298
1208Perl code to be evaluated when all extensions have been registered. See 1299Perl code to be evaluated when all extensions have been registered. See
1209the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1300the @@RXVT_NAME@@perl(3) manpage.
1210will be ignored when running setuid/setgid.
1211 1301
1212=item B<perl-lib>: I<path> 1302=item B<perl-lib>: I<path>
1213 1303
1214Colon-separated list of additional directories that hold extension 1304Colon-separated list of additional directories that hold extension
1215scripts. When looking for extensions specified by the C<perl> resource, 1305scripts. When looking for perl extensions, @@RXVT_NAME@@ will first
1216@@RXVT_NAME@@ will first look in these directories and then in 1306look in these directories, then in $HOME/.urxvt/ext and lastly in
1217F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1307F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1218will be ignored when running setuid/setgid.
1219 1308
1220See the @@RXVT_NAME@@perl(3) manpage. 1309See the @@RXVT_NAME@@perl(3) manpage.
1221 1310
1222=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1311=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1223 1312
1245 1334
1246=item B<override-redirect>: I<boolean> 1335=item B<override-redirect>: I<boolean>
1247 1336
1248Compile I<frills>: Sets override-redirect for the terminal window, making 1337Compile I<frills>: Sets override-redirect for the terminal window, making
1249it 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).
1250 1343
1251=item B<iso14755_52:> I<boolean> 1344=item B<iso14755_52:> I<boolean>
1252 1345
1253Turn on/off ISO 14755 5.2 mode (default enabled). 1346Turn on/off ISO 14755 5.2 mode (default enabled).
1254 1347
1397B<@@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
1398it 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
1399allow 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
1400on 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.
1401 1494
1402=head1 COLORS AND GRAPHICS 1495=head1 COLOURS AND GRAPHICS
1403 1496
1404In addition to the default foreground and background colours, 1497In addition to the default foreground and background colours,
1405B<@@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
1406high-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
1407colours 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.
1408 1504
1409=begin table 1505=begin table
1410 1506
1411 B<color0> (black) = Black 1507 B<color0> (black) = Black
1412 B<color1> (red) = Red3 1508 B<color1> (red) = Red3
1432It is also possible to specify the colour values of B<foreground>, 1528It is also possible to specify the colour values of B<foreground>,
1433B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1529B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1434a 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
1435color0-color15. 1531color0-color15.
1436 1532
1437In addition to the colours defined above, @@RXVT_NAME@@ offers an 1533The following text gives values for the standard 88 colour mode (and
1438additional 72 colours. The first 64 of those (with indices 16 to 79) 1534values for the 256 colour mode in parentheses).
1439consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
144016>), followed by 8 additional shades of gray (with indices 80 to 87).
1441 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
1442Together, all those colours implement the 88 colour xterm colours. Only 1545Together, all those colours implement the 88 (256) colour xterm
1443the first 16 can be changed using resources currently, the rest can only 1546colours. Only the first 16 can be changed using resources currently, the
1444be 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...).
1445 1551
1446Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1552Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1447always swapping the foreground/background colours. This is in contrast to 1553always swapping the foreground/background colours. This is in contrast to
1448I<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
1449been specified. For example, 1555been specified. For example,
1450 1556
1451=over 4
1452
1453=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1557 @@RXVT_NAME@@ -fg Black -bg White -rv
1454 1558
1455would 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
1456on White. 1560White.
1457
1458=back
1459 1561
1460=head2 ALPHA CHANNEL SUPPORT 1562=head2 ALPHA CHANNEL SUPPORT
1461 1563
1462If 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
1463their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1565their act together, rxvt-unicode will do its own alpha channel management:
1464(recommended, but B<MUST> have 4 digits/component) colour specifications, 1566
1465in 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
1466specifies opacity (alpha) values. The minimum value of C<0> is completely 1578(alpha) values. The minimum value of C<0000> is completely transparent,
1467transparent). You can also prefix any color with C<[percent]>, where 1579while C<ffff> is completely opaque). The two example colours from
1468C<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
1469the color, where C<0> is completely transparent and C<100> is completelxy 1581C<rgba:0000/ff00/0000/f332>.
1470opaque.
1471 1582
1472You 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
1473your 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
1474ARGB 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.
1475 1587
1476For example, the following selects an almost completely transparent red 1588For example, the following selects an almost completely transparent black
1477background, and an almost opaque pink foreground: 1589background, and an almost opaque pink foreground:
1478 1590
1479 @@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"
1480 1592
1481I<Please note that transparency of any kind if completely unsupported by 1593When not using a background image, then the interpretation of the
1482the 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.
1483 1607
1484=head1 ENVIRONMENT 1608=head1 ENVIRONMENT
1485 1609
1486B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1610B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1487 1611
1521C<--with-terminfo=PATH>. 1645C<--with-terminfo=PATH>.
1522 1646
1523=item B<DISPLAY> 1647=item B<DISPLAY>
1524 1648
1525Used 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
1526display 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.
1527 1652
1528=item B<SHELL> 1653=item B<SHELL>
1529 1654
1530The 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>.
1531 1656
1532=item B<RXVT_SOCKET> 1657=item B<RXVT_SOCKET>
1533 1658
1534The unix domain socket path used by @@RXVT_NAME@@c(1) and 1659The unix domain socket path used by @@RXVT_NAME@@c(1) and
1535@@RXVT_NAME@@d(1). 1660@@RXVT_NAME@@d(1).
1536 1661
1537Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>. 1662Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
1538 1663
1539=item B<HOME> 1664=item B<HOME>
1540 1665
1541Used to locate the default directory for the unix domain socket for 1666Used to locate the default directory for the unix domain socket for
1542daemon communications and to locate various resource files (such as 1667daemon communications and to locate various resource files (such as
1543C<.Xdefaults>) 1668C<.Xdefaults>)
1544 1669
1545=item B<XAPPLRESDIR> 1670=item B<XAPPLRESDIR>
1546 1671
1547Directory where various X resource files are being located. 1672Directory where application-specific X resource files are located.
1548 1673
1549=item B<XENVIRONMENT> 1674=item B<XENVIRONMENT>
1550 1675
1551If 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
1552@@RXVT_NAME@@. 1677@@RXVT_NAME@@.
1557 1682
1558=over 4 1683=over 4
1559 1684
1560=item B</usr/lib/X11/rgb.txt> 1685=item B</usr/lib/X11/rgb.txt>
1561 1686
1562Color names. 1687Colour names.
1563 1688
1564=back 1689=back
1565 1690
1566=head1 SEE ALSO 1691=head1 SEE ALSO
1567 1692
1618 1743
1619Project Coordinator (Changes 1.0 -) 1744Project Coordinator (Changes 1.0 -)
1620 1745
1621=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >> 1746=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1622 1747
1623Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. 1748pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
1624 1749
1625=back 1750=back
1626 1751

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