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Revision 1.130 by sasha, Fri Jun 8 20:04:12 2007 UTC vs.
Revision 1.187 by sf-exg, Fri Oct 15 10:46:57 2010 UTC

12emulator intended as an I<xterm>(1) replacement for users who do not 12emulator intended as an I<xterm>(1) replacement for users who do not
13require features such as Tektronix 4014 emulation and toolkit-style 13require features such as Tektronix 4014 emulation and toolkit-style
14configurability. As a result, B<rxvt-unicode> uses much less swap space -- 14configurability. As a result, B<rxvt-unicode> uses much less swap space --
15a significant advantage on a machine serving many X sessions. 15a significant advantage on a machine serving many X sessions.
16 16
17This document is also available on the World-Wide-Web at
18L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod>.
19
17=head1 FREQUENTLY ASKED QUESTIONS 20=head1 FREQUENTLY ASKED QUESTIONS
18 21
19See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of 22See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of
20frequently asked questions and answer to them and some common 23frequently asked questions and answer to them and some common
21problems. That document is also accessible on the World-Wide-Web at 24problems. That document is also accessible on the World-Wide-Web at
22L<http://cvs.schmorp.de/browse/rxvt-unicode/doc/rxvt.7.html>. 25L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.
23 26
24=head1 RXVT-UNICODE VS. RXVT 27=head1 RXVT-UNICODE VS. RXVT
25 28
26Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode 29Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode
27internally. That means it can store and display most scripts in the 30internally. That means it can store and display most scripts in the
28world. Being a terminal emulator, however, some things are very difficult, 31world. Being a terminal emulator, however, some things are very difficult,
29especially cursive scripts such as arabic, vertically written scripts 32especially cursive scripts such as arabic, vertically written scripts
30like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devenagari. 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>
108 116
109Turn on/off simulated reverse video; resource B<reverseVideo>. 117Turn on/off simulated reverse video; resource B<reverseVideo>.
110 118
111=item B<-j>|B<+j> 119=item B<-j>|B<+j>
112 120
113Turn on/off jump scrolling; resource B<jumpScroll>. 121Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
114 122
115=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 123=item B<-ss>|B<+ss>
116 124
117Turn on/off inheriting parent window's pixmap. Alternative form is 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118B<-tr>; resource B<inheritPixmap>.
119 126
120I<Please note that transparency of any kind if completely unsupported by 127=item B<-tr>|B<+tr>
121the author. Don't bug him with installation questions! Read the FAQ (man 7 128
122@@RXVT_NAME@@)!> 129Turn on/off illusion of a transparent window background; resource B<transparent>.
130
131B<-ip> is still accepted as an obsolete alias but will be removed in
132future versions.
123 133
124=item B<-fade> I<number> 134=item B<-fade> I<number>
125 135
126Fade 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
127fade a little only, 100 completely replaces all colours by the fade 137fade a little only, 100 completely replaces all colours by the fade
133is opaque black. resource B<fadeColor>. 143is opaque black. resource B<fadeColor>.
134 144
135=item B<-tint> I<colour> 145=item B<-tint> I<colour>
136 146
137Tint the transparent background pixmap with the given colour when 147Tint the transparent background pixmap with the given colour when
138transparency is enabled with B<-tr> or B<-ip>. This only works for 148transparency is enabled with B<-tr>. This only works for
139non-tiled backgrounds, currently. See also the B<-sh> option that can be 149non-tiled backgrounds, currently. See also the B<-sh> option that can be
140used to brighten or darken the image in addition to tinting it; resource 150used to brighten or darken the image in addition to tinting it.
151Please note that certain tint colours can be applied on the server-side,
152thus yielding performance gain of two orders of magnitude. These colours are:
153blue, red, green, cyan, magenta, yellow, and those close to them. Also
154pure black and pure white colours essentially mean no tinting; resource
141I<tintColor>. Example: 155I<tintColor>. Example:
142 156
143 @@RXVT_NAME@@ -tr -tint blue -sh 40 157 @@RXVT_NAME@@ -tr -tint blue -sh 40
144 158
145=item B<-sh> I<number> 159=item B<-sh> I<number>
146 160
147Darken (0 .. 100) or lighten (-1 .. -100) the transparent 161Darken (0 .. 100) or lighten (100 .. 200) the transparent
148background image in addition to (or instead of) tinting it; 162background image in addition to (or instead of) tinting it;
149resource I<shading>. 163resource I<shading>.
150 164
151=item B<-blt> I<string> 165=item B<-blt> I<string>
152 166
153Specify background blending type. If background pixmap is specified 167Specify background blending type. If background pixmap is specified
154at the same time as transparency - such pixmap will be blended over 168at the same time as transparency - such pixmap will be blended over
155transparency image, using method specified. Supported values are : 169transparency image, using method specified. Supported values are :
156B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 170B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
157B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 171B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
158B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is 172B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
159alpha-blending; resource I<blendType>. 173alpha-blending. Compile I<afterimage>; resource I<blendType>.
160 174
161=item B<-blr> I<number> 175=item B<-blr> I<HxV>
162 176
163Apply Gaussian Blur with the specified radius to the transparent 177Apply Gaussian Blur with the specified radii to the transparent
164background image; resource I<blurRadius>. 178background image. If single number is specified - both vertical and
179horizontal radii are considered to be the same. Setting one of the
180radii to 1 and another to a large number creates interesting effects
181on some backgrounds. Maximum radius value is 128. Compile I<afterimage> or I<xft>;
182resource I<blurRadius>.
183
184=item B<-icon> I<file>
185
186Compile I<afterimage> or I<pixbuf>: Use the specified image as application icon. This
187is used by many window managers, taskbars and pagers to represent the
188application window; resource I<iconFile>.
165 189
166=item B<-bg> I<colour> 190=item B<-bg> I<colour>
167 191
168Window background colour; resource B<background>. 192Window background colour; resource B<background>.
169 193
170=item B<-fg> I<colour> 194=item B<-fg> I<colour>
171 195
172Window foreground colour; resource B<foreground>. 196Window foreground colour; resource B<foreground>.
173 197
174=item B<-pixmap> I<file[;geom]> 198=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
175 199
176Compile I<afterimage>: Specify image file for the background and also 200Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
177optionally specify its scaling with a geometry string. Note you may need to 201optionally specify its scaling with a geometry string. Note you may need to
178add quotes to avoid special shell interpretation of the C<;> in the 202add quotes to avoid special shell interpretation of the C<;> in the
179command-line; for more details see resource B<backgroundPixmap>. 203command-line; for more details see resource B<backgroundPixmap>.
180 204
181=item B<-cr> I<colour> 205=item B<-cr> I<colour>
229italic> >> characters are to be printed. See resource B<boldItalicFont> 253italic> >> characters are to be printed. See resource B<boldItalicFont>
230for details. 254for details.
231 255
232=item B<-is>|B<+is> 256=item B<-is>|B<+is>
233 257
234Compile I<font-styles>: Bold/Italic font styles imply high intensity 258Compile I<font-styles>: Bold/Blink font styles imply high intensity
235foreground/background (default). See resource B<intensityStyles> for 259foreground/background (default). See resource B<intensityStyles> for
236details. 260details.
237 261
238=item B<-name> I<name> 262=item B<-name> I<name>
239 263
257 281
258=item B<-sb>|B<+sb> 282=item B<-sb>|B<+sb>
259 283
260Turn on/off scrollbar; resource B<scrollBar>. 284Turn on/off scrollbar; resource B<scrollBar>.
261 285
286=item B<-sr>|B<+sr>
287
288Put scrollbar on right/left; resource B<scrollBar_right>.
289
290=item B<-st>|B<+st>
291
292Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
293resource B<scrollBar_floating>.
294
262=item B<-si>|B<+si> 295=item B<-si>|B<+si>
263 296
264Turn on/off scroll-to-bottom on TTY output inhibit; resource 297Turn on/off scroll-to-bottom on TTY output inhibit; resource
265B<scrollTtyOutput> has opposite effect. 298B<scrollTtyOutput> has opposite effect.
266 299
272=item B<-sw>|B<+sw> 305=item B<-sw>|B<+sw>
273 306
274Turn on/off scrolling with the scrollback buffer as new lines appear. 307Turn on/off scrolling with the scrollback buffer as new lines appear.
275This only takes effect if B<-si> is also given; resource 308This only takes effect if B<-si> is also given; resource
276B<scrollWithBuffer>. 309B<scrollWithBuffer>.
277
278=item B<-sr>|B<+sr>
279
280Put scrollbar on right/left; resource B<scrollBar_right>.
281
282=item B<-st>|B<+st>
283
284Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
285resource B<scrollBar_floating>.
286 310
287=item B<-ptab>|B<+ptab> 311=item B<-ptab>|B<+ptab>
288 312
289If enabled (default), "Horizontal Tab" characters are being stored as 313If enabled (default), "Horizontal Tab" characters are being stored as
290actual wide characters in the screen buffer, which makes it possible to 314actual wide characters in the screen buffer, which makes it possible to
294 318
295=item B<-bc>|B<+bc> 319=item B<-bc>|B<+bc>
296 320
297Blink the cursor; resource B<cursorBlink>. 321Blink the cursor; resource B<cursorBlink>.
298 322
323=item B<-uc>|B<+uc>
324
325Make the cursor underlined; resource B<cursorUnderline>.
326
299=item B<-iconic> 327=item B<-iconic>
300 328
301Start iconified, if the window manager supports that option. 329Start iconified, if the window manager supports that option.
302Alternative form is B<-ic>. 330Alternative form is B<-ic>.
303 331
319 347
320=item B<-bl> 348=item B<-bl>
321 349
322Compile I<frills>: Set MWM hints to request a borderless window, i.e. 350Compile I<frills>: Set MWM hints to request a borderless window, i.e.
323if honoured by the WM, the rxvt-unicode window will not have window 351if honoured by the WM, the rxvt-unicode window will not have window
324decorations; resource B<borderLess>. 352decorations; resource B<borderLess>. If the window manager does not
353support MWM hints (e.g. kwin), enables override-redirect mode.
325 354
326=item B<-override-redirect> 355=item B<-override-redirect>
327 356
328Compile I<frills>: Sets override-redirect on the window; resource 357Compile I<frills>: Sets override-redirect on the window; resource
329B<override-redirect>. 358B<override-redirect>.
337 366
338=item B<-lsp> I<number> 367=item B<-lsp> I<number>
339 368
340Compile I<frills>: Lines (pixel height) to insert between each row of 369Compile I<frills>: Lines (pixel height) to insert between each row of
341the display. Useful to work around font rendering problems; resource 370the display. Useful to work around font rendering problems; resource
342B<linespace>. 371B<lineSpace>.
372
373=item B<-letsp> I<number>
374
375Compile I<frills>: Amount to adjust the computed character width by
376to control overall letter spacing. Negative values will tighten up the
377letter spacing, positive values will space letters out more. Useful to
378work around odd font metrics; resource B<letterSpace>.
343 379
344=item B<-tn> I<termname> 380=item B<-tn> I<termname>
345 381
346This option specifies the name of the terminal type to be set in the 382This option specifies the name of the terminal type to be set in the
347B<TERM> environment variable. This terminal type must exist in the 383B<TERM> environment variable. This terminal type must exist in the
402 438
403=item B<-tcw> 439=item B<-tcw>
404 440
405Change the meaning of triple-click selection with the left mouse 441Change the meaning of triple-click selection with the left mouse
406button. Only effective when the original (non-perl) selection code is 442button. Only effective when the original (non-perl) selection code is
407in-use. Instead of selecting a full line it will extend the selection the 443in-use. Instead of selecting a full line it will extend the selection to
408end of the logical line only. resource B<tripleclickwords>. 444the end of the logical line only. resource B<tripleclickwords>.
409 445
410=item B<-insecure> 446=item B<-insecure>
411 447
412Enable "insecure" mode, which currently enables most of the escape 448Enable "insecure" mode, which currently enables most of the escape
413sequences that echo strings. See the resource B<insecure> for more 449sequences that echo strings. See the resource B<insecure> for more
433 469
434Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 470Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
435will not immediately destroy its window when the program executed within 471will not immediately destroy its window when the program executed within
436it exits. Instead, it will wait till it is being killed or closed by the 472it exits. Instead, it will wait till it is being killed or closed by the
437user; resource B<hold>. 473user; resource B<hold>.
474
475=item B<-cd> I<path>
476
477Sets the working directory for the shell (or the command specified via
478B<-e>). The I<path> must be an absolute path and it must exist for
479@@RXVT_NAME@@ to start; resource B<chdir>.
480
481=item B<-xrm> I<string>
482
483Works like the X Toolkit option of the same name, by adding the I<string>
484as if it were specified in a resource file. Resource values specified this
485way take precedence over all other resource specifications.
486
487Note that you need to use the I<same> syntax as in the .Xdefaults file,
488e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
489options can be specified as long-options on the commandline, so use
490of B<-xrm> is mostly limited to cases where you want to specify other
491resources (e.g. for input methods) or for compatibility with other
492programs.
438 493
439=item B<-keysym.>I<sym> I<string> 494=item B<-keysym.>I<sym> I<string>
440 495
441Remap a key symbol. See resource B<keysym>. 496Remap a key symbol. See resource B<keysym>.
442 497
477If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 532If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
478entries and will not tinker with pty/tty permissions - you have to do that 533entries and will not tinker with pty/tty permissions - you have to do that
479yourself if you want that. 534yourself if you want that.
480 535
481As an extremely special case, specifying C<-1> will completely suppress 536As an extremely special case, specifying C<-1> will completely suppress
482pty/tty operations. 537pty/tty operations, which is probably only useful in conjunction with some
538perl extension that manages the terminal.
483 539
484Here is a example in perl that illustrates how this option can be used (a 540Here is a example in perl that illustrates how this option can be used (a
485longer example is in F<doc/pty-fd>): 541longer example is in F<doc/pty-fd>):
486 542
487 use IO::Pty; 543 use IO::Pty;
501Comma-separated list of perl extension scripts to use (or not to use) in 557Comma-separated list of perl extension scripts to use (or not to use) in
502this terminal instance. See resource B<perl-ext> for details. 558this terminal instance. See resource B<perl-ext> for details.
503 559
504=back 560=back
505 561
506=head1 RESOURCES (available also as long-options) 562=head1 RESOURCES
507 563
508Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 564Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
509options) compiled into your version. 565options) compiled into your version. All resources are also available as
566long-options.
510 567
511You can set and change the resources using X11 tools like B<xrdb>. Many 568You can set and change the resources using X11 tools like B<xrdb>. Many
512distribution do also load settings from the B<~/.Xresources> file when X 569distribution do also load settings from the B<~/.Xresources> file when X
513starts. @@RXVT_NAME@@ will consult the following files/resources in order, 570starts. @@RXVT_NAME@@ will consult the following files/resources in order,
514with later settings overwriting earlier ones: 571with later settings overwriting earlier ones:
516 1. system-wide app-defaults file, either locale-dependent OR global 573 1. system-wide app-defaults file, either locale-dependent OR global
517 2. app-defaults file in $XAPPLRESDIR 574 2. app-defaults file in $XAPPLRESDIR
518 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 575 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
519 4. SCREEN_RESOURCES for the current screen 576 4. SCREEN_RESOURCES for the current screen
520 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 577 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
578 6. resources specified via -xrm on the commandline
521 579
522Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 580Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
523names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 581names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
524common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 582common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
525configured, while the class name B<URxvt> allows resources unique to 583configured, while the class name B<URxvt> allows resources unique to
535=item B<depth:> I<bitdepth> 593=item B<depth:> I<bitdepth>
536 594
537Compile I<xft>: Attempt to find a visual with the given bit depth; 595Compile I<xft>: Attempt to find a visual with the given bit depth;
538option B<-depth>. 596option B<-depth>.
539 597
598=item B<buffered:> I<boolean>
599
600Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
601On some card/driver combination enabling it slightly decreases
602performance, on most it greatly helps it. The slowdown is small, so it
603should normally be enabled.
604
540=item B<geometry:> I<geom> 605=item B<geometry:> I<geom>
541 606
542Create the window with the specified X window geometry [default 80x24]; 607Create the window with the specified X window geometry [default 80x24];
543option B<-geometry>. 608option B<-geometry>.
544 609
557Use the specified colour for the colour value I<n>, where 0-7 622Use the specified colour for the colour value I<n>, where 0-7
558corresponds to low-intensity (normal) colours and 8-15 corresponds to 623corresponds to low-intensity (normal) colours and 8-15 corresponds to
559high-intensity (bold = bright foreground, blink = bright background) 624high-intensity (bold = bright foreground, blink = bright background)
560colours. The canonical names are as follows: 0=black, 1=red, 2=green, 625colours. The canonical names are as follows: 0=black, 1=red, 2=green,
5613=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour 6263=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but the actual colour
562names used are listed in the B<COLORS AND GRAPHICS> section. 627names used are listed in the B<COLOURS AND GRAPHICS> section.
563 628
564Colours higher than 15 cannot be set using resources (yet), but can be 629Colours higher than 15 cannot be set using resources (yet), but can be
565changed using an escape command (see @@RXVT_NAME@@(7)). 630changed using an escape command (see @@RXVT_NAME@@(7)).
566 631
567Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with 632Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
578=item B<colorUL:> I<colour> 643=item B<colorUL:> I<colour>
579 644
580Use the specified colour to display underlined characters when the 645Use the specified colour to display underlined characters when the
581foreground colour is the default. 646foreground colour is the default.
582 647
583=item B<colorRV:> I<colour>
584
585Use the specified colour as the background for reverse video characters
586when OPTION_HC is disabled (--disable-frills).
587
588=item B<underlineColor:> I<colour> 648=item B<underlineColor:> I<colour>
589 649
590If set, use the specified colour as the colour for the underline 650If set, use the specified colour as the colour for the underline
591itself. If unset, use the foreground colour. 651itself. If unset, use the foreground colour.
652
653=item B<highlightColor:> I<colour>
654
655If set, use the specified colour as the background for highlighted
656characters. If unset, use reverse video.
657
658=item B<highlightTextColor:> I<colour>
659
660If set and highlightColor is set, use the specified colour as the
661foreground for highlighted characters.
592 662
593=item B<cursorColor:> I<colour> 663=item B<cursorColor:> I<colour>
594 664
595Use the specified colour for the cursor. The default is to use the 665Use the specified colour for the cursor. The default is to use the
596foreground colour; option B<-cr>. 666foreground colour; option B<-cr>.
603 673
604=item B<reverseVideo:> I<boolean> 674=item B<reverseVideo:> I<boolean>
605 675
606B<True>: simulate reverse video by foreground and background colours; 676B<True>: simulate reverse video by foreground and background colours;
607option B<-rv>. B<False>: regular screen colours [default]; option 677option B<-rv>. B<False>: regular screen colours [default]; option
608B<+rv>. See note in B<COLORS AND GRAPHICS> section. 678B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
609 679
610=item B<jumpScroll:> I<boolean> 680=item B<jumpScroll:> I<boolean>
611 681
612B<True>: specify that jump scrolling should be used. When scrolling 682B<True>: specify that jump scrolling should be used. When receiving lots
613quickly, fewer screen updates are performed [default]; option B<-j>. 683of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
684has been read, resulting in fewer updates while still displaying every
685received line; option B<-j>.
686
614B<False>: specify that smooth scrolling should be used; option B<+j>. 687B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
688force a screen refresh on each new line it received; option B<+j>.
615 689
616=item B<inheritPixmap:> I<boolean> 690=item B<skipScroll:> I<boolean>
617 691
618B<True>: make the background inherit the parent windows' pixmap, giving 692B<True>: (the default) specify that skip scrolling should be used. When
619artificial transparency. B<False>: do not inherit the parent windows' 693receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
620pixmap. 694(around 60 times per second), resulting in far fewer updates. This can
695result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
696option B<-ss>.
621 697
622I<Please note that transparency of any kind if completely unsupported by 698B<False>: specify that everything is to be displayed, even
623the author. Don't bug him with installation questions!> 699if the refresh is too fast for the human eye to read anything (or the
700monitor to display anything); option B<+ss>.
701
702=item B<transparent:> I<boolean>
703
704Turn on/off illusion of a transparent window background.
705
706B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
707future versions.
624 708
625=item B<fading:> I<number> 709=item B<fading:> I<number>
626 710
627Fade the text by the given percentage when focus is lost; option B<-fade>. 711Fade the text by the given percentage when focus is lost; option B<-fade>.
628 712
645 729
646Specify background blending type; option B<-blt>. 730Specify background blending type; option B<-blt>.
647 731
648=item B<blurRadius:> I<number> 732=item B<blurRadius:> I<number>
649 733
650Apply Gaussian Blurr with the specified radius to the transparent 734Apply gaussian blur with the specified radius to the transparent
651background image; option B<-blr>. 735background image; option B<-blr>.
736
737=item B<iconFile:> I<file>
738
739Set the application icon pixmap; option B<-icon>.
652 740
653=item B<scrollColor:> I<colour> 741=item B<scrollColor:> I<colour>
654 742
655Use the specified colour for the scrollbar [default #B2B2B2]. 743Use the specified colour for the scrollbar [default #B2B2B2].
656 744
662=item B<borderColor:> I<colour> 750=item B<borderColor:> I<colour>
663 751
664The colour of the border around the text area and between the scrollbar 752The colour of the border around the text area and between the scrollbar
665and the text. 753and the text.
666 754
667=item B<backgroundPixmap:> I<file[;geom]> 755=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
668 756
669Use the specified image file for the background and also optionally 757Use the specified image file for the background and also
670specify its scaling with a geometry string B<WxH+X+Y>, 758optionally specify its scaling with a geometry string B<WxH+X+Y>,
671in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 759(default C<100x100+50+50>) in which B<"W" / "H"> specify the
672and B<"X" / "Y"> locate the image centre (percent). 760horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
673A scale of 0 displays the image with tiling. A scale of 1 displays the 761centre (percent). A scale of 0 displays the image with tiling.
674image without any scaling. A scale of 2 to 9 specifies an integer 762The maximum permitted scale is 1000.
675number of images in that direction. No image will be magnified beyond 763Additional operations can be specified after colon B<:op1:op2...>.
67610 times its original size. The maximum permitted scale is 1000. 764Supported operations are:
677Special string of B<"auto"> used as a geometry will cause image to be 765
678automatically scaled to match window size. 766 tile force background image to be tiled and not scaled. Equivalent to 0x0
767 propscale will scale image keeping proportions
768 auto will scale image to match window size. Equivalent to 100x100
769 hscale will scale image horizontally to the window size
770 vscale will scale image vertically to the window size
771 scale will scale image to match window size
772 root will tile image as if it was a root window background, auto-adjusting
773 whenever terminal window moves
774
679If used in conjunction with B<-tr> option - specified pixmap will be 775If used in conjunction with B<-tr> option, the specified pixmap will be
680blended over transparency image using either alpha-blending, or any 776blended over transparency image using alpha-blending. If I<afterimage>
681other blending type, specified with B<-blt "type"> option. 777support has been compiled in it is possible to choose other blending
682[default 0x0+50+50] 778types with B<-blt "type"> option.
683 779
684=item B<path:> I<path> 780=item B<path:> I<path>
685 781
686Specify the colon-delimited search path for finding XPM files. 782Specify the colon-delimited search path for finding background image files.
687 783
688=item B<font:> I<fontlist> 784=item B<font:> I<fontlist>
689 785
690Select the fonts to be used. This is a comma separated list of font names 786Select the fonts to be used. This is a comma separated list of font names
691that are checked in order when trying to find glyphs for characters. The 787that are checked in order when trying to find glyphs for characters. The
714it is named first) and thus defines the character cell grid to be 9 pixels 810it is named first) and thus defines the character cell grid to be 9 pixels
715wide and 15 pixels high. 811wide and 15 pixels high.
716 812
717The second font is just used to add additional unicode characters not in 813The second font is just used to add additional unicode characters not in
718the base font, likewise the third, which is unfortunately non-bold, but 814the base font, likewise the third, which is unfortunately non-bold, but
719the bold version of the font does contain less characters, so this is a 815the bold version of the font does contain fewer characters, so this is a
720useful supplement. 816useful supplement.
721 817
722The third font is an Xft font with aliasing turned off, and the characters 818The third font is an Xft font with aliasing turned off, and the characters
723are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 819are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
724contains other characters, but we are not interested in them. 820contains other characters, but we are not interested in them.
748text font will being used for the given style. 844text font will being used for the given style.
749 845
750=item B<intensityStyles:> I<boolean> 846=item B<intensityStyles:> I<boolean>
751 847
752When font styles are not enabled, or this option is enabled (B<True>, 848When font styles are not enabled, or this option is enabled (B<True>,
753option B<-is>, the default), bold and italic font styles imply high 849option B<-is>, the default), bold/blink font styles imply high
754intensity foreground/background colours. Disabling this option (B<False>, 850intensity foreground/background colours. Disabling this option (B<False>,
755option B<+is>) disables this behaviour, the high intensity colours are not 851option B<+is>) disables this behaviour, the high intensity colours are not
756reachable. 852reachable.
757 853
758=item B<selectstyle:> I<mode>
759
760Set mouse selection style to B<old> which is 2.20, B<oldword> which
761is xterm style with 2.20 old word selection, or anything else which
762gives xterm style selection. Only effective when the original (non-perl)
763selection code is in use.
764
765=item B<scrollstyle:> I<mode>
766
767Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
768the author's favourite.
769
770=item B<title:> I<string> 854=item B<title:> I<string>
771 855
772Set window title string, the default title is the command-line 856Set window title string, the default title is the command-line
773specified after the B<-e> option, if any, otherwise the application 857specified after the B<-e> option, if any, otherwise the application
774name; option B<-title>. 858name; option B<-title>.
787=item B<urgentOnBell:> I<boolean> 871=item B<urgentOnBell:> I<boolean>
788 872
789B<True>: set the urgency hint for the wm on receipt of a bell character. 873B<True>: set the urgency hint for the wm on receipt of a bell character.
790B<False>: do not set the urgency hint [default]. 874B<False>: do not set the urgency hint [default].
791 875
876@@RXVT_NAME@@ resets the urgency hint on every focus change.
877
792=item B<visualBell:> I<boolean> 878=item B<visualBell:> I<boolean>
793 879
794B<True>: use visual bell on receipt of a bell character; option B<-vb>. 880B<True>: use visual bell on receipt of a bell character; option B<-vb>.
795B<False>: no visual bell [default]; option B<+vb>. 881B<False>: no visual bell [default]; option B<+vb>.
796 882
818 904
819 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 905 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
820 906
821This creates a new file in your home directory with the screen contents 907This creates a new file in your home directory with the screen contents
822every time you hit C<Print>. 908every time you hit C<Print>.
909
910=item B<scrollstyle:> I<mode>
911
912Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
913the author's favourite.
823 914
824=item B<scrollBar:> I<boolean> 915=item B<scrollBar:> I<boolean>
825 916
826B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 917B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
827disable the scrollbar; option B<+sb>. 918disable the scrollbar; option B<+sb>.
890=item B<termName:> I<termname> 981=item B<termName:> I<termname>
891 982
892Specifies the terminal type name to be set in the B<TERM> environment 983Specifies the terminal type name to be set in the B<TERM> environment
893variable; option B<-tn>. 984variable; option B<-tn>.
894 985
895=item B<linespace:> I<number> 986=item B<lineSpace:> I<number>
896 987
897Specifies number of lines (pixel height) to insert between each row of 988Specifies number of lines (pixel height) to insert between each row of
898the display [default 0]; option B<-lsp>. 989the display [default 0]; option B<-lsp>.
899 990
900=item B<meta8:> I<boolean> 991=item B<meta8:> I<boolean>
914 1005
915=item B<cursorBlink:> I<boolean> 1006=item B<cursorBlink:> I<boolean>
916 1007
917B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 1008B<True>: blink the cursor. B<False>: do not blink the cursor [default];
918option B<-bc>. 1009option B<-bc>.
1010
1011=item B<cursorUnderline:> I<boolean>
1012
1013B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1014option B<-uc>.
919 1015
920=item B<pointerBlank:> I<boolean> 1016=item B<pointerBlank:> I<boolean>
921 1017
922B<True>: blank the pointer when a key is pressed or after a set number 1018B<True>: blank the pointer when a key is pressed or after a set number
923of seconds of inactivity. B<False>: the pointer is always visible 1019of seconds of inactivity. B<False>: the pointer is always visible
937large number (e.g. C<987654321>) to effectively disable the timeout. 1033large number (e.g. C<987654321>) to effectively disable the timeout.
938 1034
939=item B<backspacekey:> I<string> 1035=item B<backspacekey:> I<string>
940 1036
941The string to send when the backspace key is pressed. If set to B<DEC> 1037The string to send when the backspace key is pressed. If set to B<DEC>
942or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1038or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
943(code 8) - which can be reversed with the appropriate DEC private mode 1039(code 8) - which can be reversed with the appropriate DEC private mode
944escape sequence. 1040escape sequence.
945 1041
946=item B<deletekey:> I<string> 1042=item B<deletekey:> I<string>
947 1043
960will be created). In this mode, characters outside ISO-8859-1 can be used. 1056will be created). In this mode, characters outside ISO-8859-1 can be used.
961 1057
962When the selection extension is not used, only ISO-8859-1 characters can 1058When the selection extension is not used, only ISO-8859-1 characters can
963be used. If not specified, the built-in default is used: 1059be used. If not specified, the built-in default is used:
964 1060
965B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1061B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
966 1062
967=item B<preeditType:> I<style> 1063=item B<preeditType:> I<style>
968 1064
969B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1065B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
970 1066
1026 1122
1027=item B<secondaryScroll:> I<boolean> 1123=item B<secondaryScroll:> I<boolean>
1028 1124
1029Turn on/off secondary screen scroll (default enabled). If this 1125Turn on/off secondary screen scroll (default enabled). If this
1030option is enabled, scrolls on the secondary screen will change the 1126option is enabled, scrolls on the secondary screen will change the
1031scrollback buffer and switching to/from the secondary screen will 1127scrollback buffer and, when secondaryScreen is off, switching
1032instead scroll the screen up. 1128to/from the secondary screen will instead scroll the screen up.
1033 1129
1034=item B<hold>: I<boolean> 1130=item B<hold>: I<boolean>
1035 1131
1036Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1132Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1037will not immediately destroy its window when the program executed within 1133will not immediately destroy its window when the program executed within
1038it exits. Instead, it will wait till it is being killed or closed by the 1134it exits. Instead, it will wait till it is being killed or closed by the
1039user. 1135user.
1136
1137=item B<chdir>: I<path>
1138
1139Sets the working directory for the shell (or the command specified via
1140B<-e>). The I<path> must be an absolute path and it must exist for
1141@@RXVT_NAME@@ to start. If it isn't specified then the current working
1142directory will be used; option B<-cd>.
1040 1143
1041=item B<keysym.>I<sym>: I<string> 1144=item B<keysym.>I<sym>: I<string>
1042 1145
1043Compile I<frills>: Associate I<string> with keysym I<sym>. The 1146Compile I<frills>: Associate I<string> with keysym I<sym>. The
1044intervening resource name B<keysym.> cannot be omitted. 1147intervening resource name B<keysym.> cannot be omitted.
1058searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1161searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1059omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1162omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1060keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1163keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1061performed in an exact manner; however, the closest match is assured. 1164performed in an exact manner; however, the closest match is assured.
1062 1165
1063I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1166I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1064C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1167number), see RESOURCES in C<man 7 X> for further details.
1065C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1066C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1067can start or end with whitespace. B<This feature is deprecated and will
1068be removed>.
1069
1070Please note that you need to double the C<\> in resource files, as
1071Xlib itself does its own de-escaping (you can use C<\033> instead of
1072C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1073processing).
1074 1168
1075You can define a range of keysyms in one shot by providing a I<string> 1169You can define a range of keysyms in one shot by providing a I<string>
1076with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1170with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1077should be a character not used by the strings. 1171should be a character not used by the strings.
1078 1172
1092when Control-Meta-c is being pressed": 1186when Control-Meta-c is being pressed":
1093 1187
1094 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1188 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1095 1189
1096If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1190If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1097is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1191is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1098manpage. For example, the F<selection> extension (activated via 1192manpage. For example, the F<selection> extension (activated via
1099C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1193C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1100 1194
1101 URxvt.keysym.M-C-c: perl:selection:rot13 1195 URxvt.keysym.M-C-c: perl:selection:rot13
1102 1196
1103Due the the large number of modifier combinations, a defined key mapping 1197Due the the large number of modifier combinations, a defined key mapping
1104will match if at I<at least> the specified identifiers are being set, and 1198will match if I<at least> the specified identifiers are being set, and
1105no other key mappings with those and more bits are being defined. That 1199no other key mappings with those and more bits are being defined. That
1106means that defining a key map for C<a> will automatically provide 1200means that defining a key map for C<a> will automatically provide
1107definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1201definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1108mappings themselves. 1202mappings themselves.
1109 1203
1160all instances, while B<perl-ext> is used for specific instances. 1254all instances, while B<perl-ext> is used for specific instances.
1161 1255
1162=item B<perl-eval>: I<string> 1256=item B<perl-eval>: I<string>
1163 1257
1164Perl code to be evaluated when all extensions have been registered. See 1258Perl code to be evaluated when all extensions have been registered. See
1165the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1259the @@RXVT_NAME@@perl(3) manpage.
1166will be ignored when running setuid/setgid.
1167 1260
1168=item B<perl-lib>: I<path> 1261=item B<perl-lib>: I<path>
1169 1262
1170Colon-separated list of additional directories that hold extension 1263Colon-separated list of additional directories that hold extension
1171scripts. When looking for extensions specified by the C<perl> resource, 1264scripts. When looking for extensions specified by the C<perl> resource,
1172@@RXVT_NAME@@ will first look in these directories and then in 1265@@RXVT_NAME@@ will first look in these directories and then in
1173F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1266F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1174will be ignored when running setuid/setgid.
1175 1267
1176See the @@RXVT_NAME@@perl(3) manpage. 1268See the @@RXVT_NAME@@perl(3) manpage.
1177 1269
1178=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1270=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1179 1271
1201 1293
1202=item B<override-redirect>: I<boolean> 1294=item B<override-redirect>: I<boolean>
1203 1295
1204Compile I<frills>: Sets override-redirect for the terminal window, making 1296Compile I<frills>: Sets override-redirect for the terminal window, making
1205it almost invisible to window managers; option B<-override-redirect>. 1297it almost invisible to window managers; option B<-override-redirect>.
1298
1299=item B<iso14755:> I<boolean>
1300
1301Turn on/off ISO 14755 (default enabled).
1302
1303=item B<iso14755_52:> I<boolean>
1304
1305Turn on/off ISO 14755 5.2 mode (default enabled).
1206 1306
1207=back 1307=back
1208 1308
1209=head1 THE SCROLLBAR 1309=head1 THE SCROLLBAR
1210 1310
1281 1381
1282=head1 ISO 14755 SUPPORT 1382=head1 ISO 14755 SUPPORT
1283 1383
1284ISO 14755 is a standard for entering and viewing unicode characters 1384ISO 14755 is a standard for entering and viewing unicode characters
1285and character codes using the keyboard. It consists of 4 parts. The 1385and character codes using the keyboard. It consists of 4 parts. The
1286first part is available rxvt-unicode has been compiled with 1386first part is available if rxvt-unicode has been compiled with
1287C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1387C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1288with C<--enable-iso14755>. 1388with C<--enable-iso14755>.
1289 1389
1290=over 4 1390=over 4
1291 1391
1349B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1449B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1350it can be seen via the I<who(1)> command, and can accept messages. To 1450it can be seen via the I<who(1)> command, and can accept messages. To
1351allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1451allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1352on some systems or setgid to root or to some other group on others. 1452on some systems or setgid to root or to some other group on others.
1353 1453
1354=head1 COLORS AND GRAPHICS 1454=head1 COLOURS AND GRAPHICS
1355 1455
1356In addition to the default foreground and background colours, 1456In addition to the default foreground and background colours,
1357B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1457B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1358high-intensity bold/blink versions of the same). Here is a list of the 1458high-intensity (potentially bold/blink) versions of the same, and 72 (or
1359colours with their names. 1459240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1460cube plus a 8 (24) colour greyscale ramp.
1461
1462Here is a list of the ANSI colours with their names.
1360 1463
1361=begin table 1464=begin table
1362 1465
1363 B<color0> (black) = Black 1466 B<color0> (black) = Black
1364 B<color1> (red) = Red3 1467 B<color1> (red) = Red3
1384It is also possible to specify the colour values of B<foreground>, 1487It is also possible to specify the colour values of B<foreground>,
1385B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1488B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1386a number 0-15, as a convenient shorthand to reference the colour name of 1489a number 0-15, as a convenient shorthand to reference the colour name of
1387color0-color15. 1490color0-color15.
1388 1491
1389In addition to the colours defined above, @@RXVT_NAME@@ offers an 1492The following text gives values for the standard 88 colour mode (and
1390additional 72 colours. The first 64 of those (with indices 16 to 79) 1493values for the 256 colour mode in parentheses).
1391consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
139216>), followed by 8 additional shades of gray (with indices 80 to 87).
1393 1494
1495The RGB cube uses indices 16..79 (16..231) using the following formulas:
1496
1497 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1498 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1499
1500The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1501steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1502the RGB cube.
1503
1394Together, all those colours implement the 88 colour xterm colours. Only 1504Together, all those colours implement the 88 (256) colour xterm
1395the first 16 can be changed using resources currently, the rest can only 1505colours. Only the first 16 can be changed using resources currently, the
1396be changed via command sequences ("escape codes"). 1506rest can only be changed via command sequences ("escape codes").
1507
1508Applications are advised to use terminfo or command sequences to discover
1509number and RGB values of all colours (yes, you can query this...).
1397 1510
1398Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1511Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1399always swapping the foreground/background colours. This is in contrast to 1512always swapping the foreground/background colours. This is in contrast to
1400I<xterm>(1) where the colours are only swapped if they have not otherwise 1513I<xterm>(1) where the colours are only swapped if they have not otherwise
1401been specified. For example, 1514been specified. For example,
1402 1515
1403=over 4
1404
1405=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1516 @@RXVT_NAME@@ -fg Black -bg White -rv
1406 1517
1407would yield White on Black, while on I<xterm>(1) it would yield Black 1518would yield White on Black, while on I<xterm>(1) it would yield Black on
1408on White. 1519White.
1409
1410=back
1411 1520
1412=head2 ALPHA CHANNEL SUPPORT 1521=head2 ALPHA CHANNEL SUPPORT
1413 1522
1414If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1523If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1415their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1524their act together, rxvt-unicode will do it's own alpha channel management:
1416(recommended, but B<MUST> have 4 digits/component) colour specifications, 1525
1417in addition to the ones provided by X, where the additional A component 1526You can prefix any colour with an opaqueness percentage enclosed in
1527brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1528(0-100) that specifies the opacity of the colour, where C<0> is completely
1529transparent and C<100> is completely opaque. For example, C<[50]red> is a
1530half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1531is the recommended format to specify transparency values, and works with
1532all ways to specify a colour.
1533
1534For complete control, rxvt-unicode also supports
1535C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1536specifications, where the additional C<aaaa> component specifies opacity
1418specifies opacity (alpha) values. The minimum value of C<0> is completely 1537(alpha) values. The minimum value of C<0000> is completely transparent,
1419transparent). You can also prefix any color with C<[percent]>, where 1538while C<ffff> is completely opaque). The two example colours from
1420C<percent> is a decimal percentage (0-100) that specifies the opacity of 1539earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1421the color, where C<0> is completely transparent and C<100> is completelxy 1540C<rgba:0000/ff00/0000/f332>.
1422opaque.
1423 1541
1424You probably need to specify B<"-depth 32">, too, and have the luck that 1542You probably need to specify B<"-depth 32">, too, to force a visual with
1425your X-server uses ARGB pixel layout, as X is far from just supporting 1543alpha channels, and have the luck that your X-server uses ARGB pixel
1426ARGB visuals out of the box, and rxvt-unicode just fudges around. 1544layout, as X is far from just supporting ARGB visuals out of the box, and
1545rxvt-unicode just fudges around.
1427 1546
1428For example, the following selects an almost completely transparent red 1547For example, the following selects an almost completely transparent black
1429background, and an almost opaque pink foreground: 1548background, and an almost opaque pink foreground:
1430 1549
1431 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1550 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1432 1551
1433I<Please note that transparency of any kind if completely unsupported by 1552When not using a background image, then the interpretation of the
1434the author. Don't bug him with installation questions!> 1553alpha channel is up to your compositing manager (most interpret it as
1554transparency of course).
1555
1556When using a background pixmap or pseudo-transparency, then the background
1557colour will always behave as if it were completely transparent (so the
1558background image shows instead), regardless of how it was specified, while
1559other colours will either be transparent as specified (the background
1560image will show through) on servers supporting the RENDER extension, or
1561fully opaque on servers not supporting the RENDER EXTENSION.
1562
1563Please note that due to bugs in Xft, specifying alpha values might result
1564in garbage being displayed when the X-server does not support the RENDER
1565extension.
1435 1566
1436=head1 ENVIRONMENT 1567=head1 ENVIRONMENT
1437 1568
1438B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1569B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1439 1570
1445resources or on the command line. 1576resources or on the command line.
1446 1577
1447=item B<COLORTERM> 1578=item B<COLORTERM>
1448 1579
1449Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1580Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1450compiled with XPM support, and optionally with the added extension 1581compiled with background image support, and optionally with the added
1451C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1582extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1583screen.
1452 1584
1453=item B<COLORFGBG> 1585=item B<COLORFGBG>
1454 1586
1455Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1587Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1456the colour code used as default foreground/text colour (or the string 1588the colour code used as default foreground/text colour (or the string
1457C<default> to indicate that the default-colour escape sequence is to be 1589C<default> to indicate that the default-colour escape sequence is to be
1458used), C<bg> is the colour code used as default background colour (or the 1590used), C<bg> is the colour code used as default background colour (or the
1459string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1591string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1460was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1592was compiled with background image support. Libraries like C<ncurses>
1461(and do) use this information to optimize screen output. 1593and C<slang> can (and do) use this information to optimize screen output.
1462 1594
1463=item B<WINDOWID> 1595=item B<WINDOWID>
1464 1596
1465Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1597Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1466window, which usually has subwindows for the scrollbar, the terminal 1598window, which usually has subwindows for the scrollbar, the terminal
1472C<--with-terminfo=PATH>. 1604C<--with-terminfo=PATH>.
1473 1605
1474=item B<DISPLAY> 1606=item B<DISPLAY>
1475 1607
1476Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1608Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1477display in its child processes. 1609display in its child processes if C<-display> isn't used to override. It
1610defaults to C<:0> if it doesn't exist.
1478 1611
1479=item B<SHELL> 1612=item B<SHELL>
1480 1613
1481The shell to be used for command execution, defaults to C</bin/sh>. 1614The shell to be used for command execution, defaults to C</bin/sh>.
1482 1615
1508 1641
1509=over 4 1642=over 4
1510 1643
1511=item B</usr/lib/X11/rgb.txt> 1644=item B</usr/lib/X11/rgb.txt>
1512 1645
1513Color names. 1646Colour names.
1514 1647
1515=back 1648=back
1516 1649
1517=head1 SEE ALSO 1650=head1 SEE ALSO
1518 1651
1557Project Coordinator (changes.txt 2.21a to 2.4.5) 1690Project Coordinator (changes.txt 2.21a to 2.4.5)
1558 1691
1559=item Geoff Wing L<< <gcw@pobox.com> >> 1692=item Geoff Wing L<< <gcw@pobox.com> >>
1560 1693
1561Rewrote screen display and text selection routines. 1694Rewrote screen display and text selection routines.
1562 1695
1563Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1696Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1564 1697
1565=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1698=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1566 1699
1567Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1700Forked rxvt-unicode, unicode support, rewrote almost all the code, perl

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