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Revision 1.137 by root, Sat Sep 1 09:38:50 2007 UTC vs.
Revision 1.189 by sf-exg, Tue Nov 23 18:52:13 2010 UTC

12emulator intended as an I<xterm>(1) replacement for users who do not 12emulator intended as an I<xterm>(1) replacement for users who do not
13require features such as Tektronix 4014 emulation and toolkit-style 13require features such as Tektronix 4014 emulation and toolkit-style
14configurability. As a result, B<rxvt-unicode> uses much less swap space -- 14configurability. As a result, B<rxvt-unicode> uses much less swap space --
15a significant advantage on a machine serving many X sessions. 15a significant advantage on a machine serving many X sessions.
16 16
17This document is also available on the World-Wide-Web at
18L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod>.
19
17=head1 FREQUENTLY ASKED QUESTIONS 20=head1 FREQUENTLY ASKED QUESTIONS
18 21
19See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of 22See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) for a list of
20frequently asked questions and answer to them and some common 23frequently asked questions and answer to them and some common
21problems. That document is also accessible on the World-Wide-Web at 24problems. That document is also accessible on the World-Wide-Web at
22L<http://cvs.schmorp.de/browse/rxvt-unicode/doc/rxvt.7.html>. 25L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.
23 26
24=head1 RXVT-UNICODE VS. RXVT 27=head1 RXVT-UNICODE VS. RXVT
25 28
26Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode 29Unlike the original rxvt, B<rxvt-unicode> stores all text in Unicode
27internally. That means it can store and display most scripts in the 30internally. That means it can store and display most scripts in the
30like mongolian or scripts requiring extremely complex combining rules, 33like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devanagari. Don't expect pretty output when using these 34like tibetan or devanagari. Don't expect pretty output when using these
32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 35scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
33fine, though. A somewhat difficult case are right-to-left scripts, such 36fine, though. A somewhat difficult case are right-to-left scripts, such
34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 37as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
35belong into the application, not the terminal emulator (too many things -- 38belong in the application, not the terminal emulator (too many things --
36such as cursor-movement while editing -- break otherwise), but that might 39such as cursor-movement while editing -- break otherwise), but that might
37change. 40change.
38 41
39If you are looking for a terminal that supports more exotic scripts, let 42If you are looking for a terminal that supports more exotic scripts, let
40me recommend C<mlterm>, which is a very user friendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
89 92
90Print out a message describing available options. 93Print out a message describing available options.
91 94
92=item B<-display> I<displayname> 95=item B<-display> I<displayname>
93 96
94Attempt to open a window on the named X display (B<-d> still 97Attempt to open a window on the named X display (the older form B<-d>
95respected). In the absence of this option, the display specified by the 98is still respected. but deprecated). In the absence of this option, the
96B<DISPLAY> environment variable is used. 99display specified by the B<DISPLAY> environment variable is used.
97 100
98=item B<-depth> I<bitdepth> 101=item B<-depth> I<bitdepth>
99 102
100Compile I<xft>: Attempt to find a visual with the given bit depth; 103Compile I<xft>: Attempt to find a visual with the given bit depth;
101resource B<depth>. 104resource B<depth>.
102 105
106[Please note that many X servers (and libXft) are buggy with
107respect to C<-depth 32> and/or alpha channels, and will cause all sorts
108of graphical corruption. This is harmless, but we can't do anything about
109this, so watch out]
110
103=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
104 112
105Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
106 114
107=item B<-rv>|B<+rv> 115=item B<-rv>|B<+rv>
114 122
115=item B<-ss>|B<+ss> 123=item B<-ss>|B<+ss>
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<-ip>|B<+ip> | B<-tr>|B<+tr> 127=item B<-tr>|B<+tr>
120 128
121Turn on/off inheriting parent window's pixmap. Alternative form is 129Turn on/off pseudo-transparency by using the root pixmap as background; resource B<transparent>.
122B<-tr>; resource B<inheritPixmap>.
123 130
124I<Please note that transparency of any kind if completely unsupported by 131B<-ip> is still accepted as an obsolete alias but will be removed in
125the author. Don't bug him with installation questions! Read the FAQ (man 7 132future versions.
126@@RXVT_NAME@@)!>
127 133
128=item B<-fade> I<number> 134=item B<-fade> I<number>
129 135
130Fade 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
131fade a little only, 100 completely replaces all colours by the fade 137fade a little only, 100 completely replaces all colours by the fade
136Fade 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
137is opaque black. resource B<fadeColor>. 143is opaque black. resource B<fadeColor>.
138 144
139=item B<-tint> I<colour> 145=item B<-tint> I<colour>
140 146
141Tint the transparent background pixmap with the given colour when 147Tint the transparent background with the given colour;
142transparency is enabled with B<-tr> or B<-ip>. This only works for 148resource I<tintColor>.
143non-tiled backgrounds, currently. See also the B<-sh> option that can be
144used to brighten or darken the image in addition to tinting it.
145Please note that certain tint colours can be applied on the server-side,
146thus yielding performance gain of two orders of magnitude. These colours are:
147blue, red, green, cyan, magenta, yellow, and those close to them; resource
148I<tintColor>. Example:
149
150 @@RXVT_NAME@@ -tr -tint blue -sh 40
151 149
152=item B<-sh> I<number> 150=item B<-sh> I<number>
153 151
154Darken (0 .. 100) or lighten (-1 .. -100) the transparent 152Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
155background image in addition to (or instead of) tinting it; 153A value of 100 means no shading; resource I<shading>.
156resource I<shading>.
157 154
158=item B<-blt> I<string> 155=item B<-blt> I<string>
159 156
160Specify background blending type. If background pixmap is specified 157Specify background blending type. If background pixmap is specified
161at the same time as transparency - such pixmap will be blended over 158at the same time as transparency - such pixmap will be blended over
162transparency image, using method specified. Supported values are : 159the transparent background, using the method specified. Supported values are:
163B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>, 160B<add>, B<alphablend>, B<allanon> - colour values averaging, B<colorize>,
164B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>, 161B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
165B<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
166alpha-blending; resource I<blendType>. 163alpha-blending. Compile I<afterimage>; resource I<blendType>.
167 164
168=item B<-blr> I<HxV> 165=item B<-blr> I<HxV>
169 166
170Apply Gaussian Blur with the specified radii to the transparent 167Apply Gaussian Blur with the specified radii to the transparent
171background image. If single number is specified - both vertical and 168background. If a single number is specified - both vertical and
172horizontal radii are considered to be the same. Setting one of the 169horizontal radii are considered to be the same. Setting one of the
173radii to 1 and another to a large number creates interesting effects 170radii to 1 and another to a large number creates interesting effects
174on some backgrounds. Maximum radius value is 128; resource I<blurRadius>. 171on some backgrounds. Maximum radius value is 128;
172resource I<blurRadius>.
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>.
175 179
176=item B<-bg> I<colour> 180=item B<-bg> I<colour>
177 181
178Window background colour; resource B<background>. 182Window background colour; resource B<background>.
179 183
180=item B<-fg> I<colour> 184=item B<-fg> I<colour>
181 185
182Window foreground colour; resource B<foreground>. 186Window foreground colour; resource B<foreground>.
183 187
184=item B<-pixmap> I<file[;geom]> 188=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
185 189
186Compile I<afterimage>: Specify image file for the background and also 190Compile I<afterimage> or I<pixbuf>: Specify image file for the background and also
187optionally specify its scaling with a geometry string. Note you may need to 191optionally specify its scaling with a geometry string. Note you may need to
188add quotes to avoid special shell interpretation of the C<;> in the 192add quotes to avoid special shell interpretation of the C<;> in the
189command-line; for more details see resource B<backgroundPixmap>. 193command-line; for more details see resource B<backgroundPixmap>.
190 194
191=item B<-cr> I<colour> 195=item B<-cr> I<colour>
239italic> >> characters are to be printed. See resource B<boldItalicFont> 243italic> >> characters are to be printed. See resource B<boldItalicFont>
240for details. 244for details.
241 245
242=item B<-is>|B<+is> 246=item B<-is>|B<+is>
243 247
244Compile I<font-styles>: Bold/Italic font styles imply high intensity 248Compile I<font-styles>: Bold/Blink font styles imply high intensity
245foreground/background (default). See resource B<intensityStyles> for 249foreground/background (default). See resource B<intensityStyles> for
246details. 250details.
247 251
248=item B<-name> I<name> 252=item B<-name> I<name>
249 253
267 271
268=item B<-sb>|B<+sb> 272=item B<-sb>|B<+sb>
269 273
270Turn on/off scrollbar; resource B<scrollBar>. 274Turn on/off scrollbar; resource B<scrollBar>.
271 275
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
272=item B<-si>|B<+si> 285=item B<-si>|B<+si>
273 286
274Turn on/off scroll-to-bottom on TTY output inhibit; resource 287Turn on/off scroll-to-bottom on TTY output inhibit; resource
275B<scrollTtyOutput> has opposite effect. 288B<scrollTtyOutput> has opposite effect.
276 289
282=item B<-sw>|B<+sw> 295=item B<-sw>|B<+sw>
283 296
284Turn on/off scrolling with the scrollback buffer as new lines appear. 297Turn on/off scrolling with the scrollback buffer as new lines appear.
285This only takes effect if B<-si> is also given; resource 298This only takes effect if B<-si> is also given; resource
286B<scrollWithBuffer>. 299B<scrollWithBuffer>.
287
288=item B<-sr>|B<+sr>
289
290Put scrollbar on right/left; resource B<scrollBar_right>.
291
292=item B<-st>|B<+st>
293
294Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
295resource B<scrollBar_floating>.
296 300
297=item B<-ptab>|B<+ptab> 301=item B<-ptab>|B<+ptab>
298 302
299If enabled (default), "Horizontal Tab" characters are being stored as 303If enabled (default), "Horizontal Tab" characters are being stored as
300actual wide characters in the screen buffer, which makes it possible to 304actual wide characters in the screen buffer, which makes it possible to
304 308
305=item B<-bc>|B<+bc> 309=item B<-bc>|B<+bc>
306 310
307Blink the cursor; resource B<cursorBlink>. 311Blink the cursor; resource B<cursorBlink>.
308 312
313=item B<-uc>|B<+uc>
314
315Make the cursor underlined; resource B<cursorUnderline>.
316
309=item B<-iconic> 317=item B<-iconic>
310 318
311Start iconified, if the window manager supports that option. 319Start iconified, if the window manager supports that option.
312Alternative form is B<-ic>. 320Alternative form is B<-ic>.
313 321
329 337
330=item B<-bl> 338=item B<-bl>
331 339
332Compile 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.
333if 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
334decorations; resource B<borderLess>. 342decorations; resource B<borderLess>. If the window manager does not
343support MWM hints (e.g. kwin), enables override-redirect mode.
335 344
336=item B<-override-redirect> 345=item B<-override-redirect>
337 346
338Compile I<frills>: Sets override-redirect on the window; resource 347Compile I<frills>: Sets override-redirect on the window; resource
339B<override-redirect>. 348B<override-redirect>.
348=item B<-lsp> I<number> 357=item B<-lsp> I<number>
349 358
350Compile I<frills>: Lines (pixel height) to insert between each row of 359Compile I<frills>: Lines (pixel height) to insert between each row of
351the display. Useful to work around font rendering problems; resource 360the display. Useful to work around font rendering problems; resource
352B<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>.
353 369
354=item B<-tn> I<termname> 370=item B<-tn> I<termname>
355 371
356This 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
357B<TERM> environment variable. This terminal type must exist in the 373B<TERM> environment variable. This terminal type must exist in the
412 428
413=item B<-tcw> 429=item B<-tcw>
414 430
415Change the meaning of triple-click selection with the left mouse 431Change the meaning of triple-click selection with the left mouse
416button. Only effective when the original (non-perl) selection code is 432button. Only effective when the original (non-perl) selection code is
417in-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
418end of the logical line only. resource B<tripleclickwords>. 434the end of the logical line only. resource B<tripleclickwords>.
419 435
420=item B<-insecure> 436=item B<-insecure>
421 437
422Enable "insecure" mode, which currently enables most of the escape 438Enable "insecure" mode, which currently enables most of the escape
423sequences that echo strings. See the resource B<insecure> for more 439sequences that echo strings. See the resource B<insecure> for more
443 459
444Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 460Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
445will not immediately destroy its window when the program executed within 461will not immediately destroy its window when the program executed within
446it 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
447user; resource B<hold>. 463user; resource B<hold>.
464
465=item B<-cd> I<path>
466
467Sets the working directory for the shell (or the command specified via
468B<-e>). The I<path> must be an absolute path and it must exist for
469@@RXVT_NAME@@ to start; resource B<chdir>.
470
471=item B<-xrm> I<string>
472
473Works like the X Toolkit option of the same name, by adding the I<string>
474as if it were specified in a resource file. Resource values specified this
475way take precedence over all other resource specifications.
476
477Note that you need to use the I<same> syntax as in the .Xdefaults file,
478e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
479options can be specified as long-options on the commandline, so use
480of B<-xrm> is mostly limited to cases where you want to specify other
481resources (e.g. for input methods) or for compatibility with other
482programs.
448 483
449=item B<-keysym.>I<sym> I<string> 484=item B<-keysym.>I<sym> I<string>
450 485
451Remap a key symbol. See resource B<keysym>. 486Remap a key symbol. See resource B<keysym>.
452 487
487If 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
488entries 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
489yourself if you want that. 524yourself if you want that.
490 525
491As an extremely special case, specifying C<-1> will completely suppress 526As an extremely special case, specifying C<-1> will completely suppress
492pty/tty operations. 527pty/tty operations, which is probably only useful in conjunction with some
528perl extension that manages the terminal.
493 529
494Here 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
495longer example is in F<doc/pty-fd>): 531longer example is in F<doc/pty-fd>):
496 532
497 use IO::Pty; 533 use IO::Pty;
511Comma-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
512this terminal instance. See resource B<perl-ext> for details. 548this terminal instance. See resource B<perl-ext> for details.
513 549
514=back 550=back
515 551
516=head1 RESOURCES (available also as long-options) 552=head1 RESOURCES
517 553
518Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 554Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
519options) compiled into your version. 555options) compiled into your version. All resources are also available as
556long-options.
520 557
521You 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
522distribution do also load settings from the B<~/.Xresources> file when X 559distribution do also load settings from the B<~/.Xresources> file when X
523starts. @@RXVT_NAME@@ will consult the following files/resources in order, 560starts. @@RXVT_NAME@@ will consult the following files/resources in order,
524with later settings overwriting earlier ones: 561with later settings overwriting earlier ones:
526 1. system-wide app-defaults file, either locale-dependent OR global 563 1. system-wide app-defaults file, either locale-dependent OR global
527 2. app-defaults file in $XAPPLRESDIR 564 2. app-defaults file in $XAPPLRESDIR
528 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 565 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
529 4. SCREEN_RESOURCES for the current screen 566 4. SCREEN_RESOURCES for the current screen
530 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 567 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
568 6. resources specified via -xrm on the commandline
531 569
532Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 570Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
533names: 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
534common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 572common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
535configured, while the class name B<URxvt> allows resources unique to 573configured, while the class name B<URxvt> allows resources unique to
545=item B<depth:> I<bitdepth> 583=item B<depth:> I<bitdepth>
546 584
547Compile 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;
548option B<-depth>. 586option B<-depth>.
549 587
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
550=item B<geometry:> I<geom> 595=item B<geometry:> I<geom>
551 596
552Create the window with the specified X window geometry [default 80x24]; 597Create the window with the specified X window geometry [default 80x24];
553option B<-geometry>. 598option B<-geometry>.
554 599
567Use 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
568corresponds to low-intensity (normal) colours and 8-15 corresponds to 613corresponds to low-intensity (normal) colours and 8-15 corresponds to
569high-intensity (bold = bright foreground, blink = bright background) 614high-intensity (bold = bright foreground, blink = bright background)
570colours. 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,
5713=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
572names used are listed in the B<COLORS AND GRAPHICS> section. 617names used are listed in the B<COLOURS AND GRAPHICS> section.
573 618
574Colours 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
575changed using an escape command (see @@RXVT_NAME@@(7)). 620changed using an escape command (see @@RXVT_NAME@@(7)).
576 621
577Colours 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
588=item B<colorUL:> I<colour> 633=item B<colorUL:> I<colour>
589 634
590Use the specified colour to display underlined characters when the 635Use the specified colour to display underlined characters when the
591foreground colour is the default. 636foreground colour is the default.
592 637
593=item B<colorRV:> I<colour>
594
595Use the specified colour as the background for reverse video characters
596when OPTION_HC is disabled (--disable-frills).
597
598=item B<underlineColor:> I<colour> 638=item B<underlineColor:> I<colour>
599 639
600If set, use the specified colour as the colour for the underline 640If set, use the specified colour as the colour for the underline
601itself. 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.
602 652
603=item B<cursorColor:> I<colour> 653=item B<cursorColor:> I<colour>
604 654
605Use 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
606foreground colour; option B<-cr>. 656foreground colour; option B<-cr>.
613 663
614=item B<reverseVideo:> I<boolean> 664=item B<reverseVideo:> I<boolean>
615 665
616B<True>: simulate reverse video by foreground and background colours; 666B<True>: simulate reverse video by foreground and background colours;
617option B<-rv>. B<False>: regular screen colours [default]; option 667option B<-rv>. B<False>: regular screen colours [default]; option
618B<+rv>. See note in B<COLORS AND GRAPHICS> section. 668B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
619 669
620=item B<jumpScroll:> I<boolean> 670=item B<jumpScroll:> I<boolean>
621 671
622B<True>: specify that jump scrolling should be used. When receiving lots 672B<True>: specify that jump scrolling should be used. When receiving lots
623of 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
637 687
638B<False>: specify that everything is to be displayed, even 688B<False>: specify that everything is to be displayed, even
639if 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
640monitor to display anything); option B<+ss>. 690monitor to display anything); option B<+ss>.
641 691
642=item B<inheritPixmap:> I<boolean> 692=item B<transparent:> I<boolean>
643 693
644B<True>: make the background inherit the parent windows' pixmap, giving 694Turn on/off pseudo-transparency by using the root pixmap as background.
645artificial transparency. B<False>: do not inherit the parent windows'
646pixmap.
647 695
648I<Please note that transparency of any kind if completely unsupported by 696B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
649the author. Don't bug him with installation questions!> 697future versions.
650 698
651=item B<fading:> I<number> 699=item B<fading:> I<number>
652 700
653Fade 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>.
654 702
657Fade 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
658colour is black; option B<-fadecolor>. 706colour is black; option B<-fadecolor>.
659 707
660=item B<tintColor:> I<colour> 708=item B<tintColor:> I<colour>
661 709
662Tint the transparent background pixmap with the given colour; option 710Tint the transparent background with the given colour; option
663B<-tint>. 711B<-tint>.
664 712
665=item B<shading:> I<number> 713=item B<shading:> I<number>
666 714
667Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image 715Darken (0 .. 99) or lighten (101 .. 200) the transparent background.
668in addition to tinting it; option B<-sh>. 716A value of 100 means no shading; option B<-sh>.
669 717
670=item B<blendType:> I<string> 718=item B<blendType:> I<string>
671 719
672Specify background blending type; option B<-blt>. 720Specify background blending type; option B<-blt>.
673 721
674=item B<blurRadius:> I<number> 722=item B<blurRadius:> I<number>
675 723
676Apply Gaussian Blurr with the specified radius to the transparent 724Apply gaussian blur with the specified radius to the transparent
677background image; option B<-blr>. 725background; option B<-blr>.
726
727=item B<iconFile:> I<file>
728
729Set the application icon pixmap; option B<-icon>.
678 730
679=item B<scrollColor:> I<colour> 731=item B<scrollColor:> I<colour>
680 732
681Use the specified colour for the scrollbar [default #B2B2B2]. 733Use the specified colour for the scrollbar [default #B2B2B2].
682 734
688=item B<borderColor:> I<colour> 740=item B<borderColor:> I<colour>
689 741
690The colour of the border around the text area and between the scrollbar 742The colour of the border around the text area and between the scrollbar
691and the text. 743and the text.
692 744
693=item B<backgroundPixmap:> I<file[;geom]> 745=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
694 746
695Use the specified image file for the background and also optionally 747Use the specified image file for the background and also
696specify its scaling with a geometry string B<WxH+X+Y>, 748optionally specify its scaling with a geometry string B<WxH+X+Y>,
697in which B<"W" / "H"> specify the horizontal/vertical scale (percent), 749(default C<100x100+50+50>) in which B<"W" / "H"> specify the
698and B<"X" / "Y"> locate the image centre (percent). 750horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
699A scale of 0 displays the image with tiling. A scale of 1 displays the 751centre (percent). A scale of 0 displays the image with tiling.
700image without any scaling. A scale of 2 to 9 specifies an integer 752The maximum permitted scale is 1000.
701number of images in that direction. No image will be magnified beyond 753Additional operations can be specified after colon B<:op1:op2...>.
70210 times its original size. The maximum permitted scale is 1000. 754Supported operations are:
703Special string of B<"auto"> used as a geometry will cause image to be 755
704automatically scaled to match window size. 756 tile force background image to be tiled and not scaled. Equivalent to 0x0
757 propscale will scale image keeping proportions
758 auto will scale image to match window size. Equivalent to 100x100
759 hscale will scale image horizontally to the window size
760 vscale will scale image vertically to the window size
761 scale will scale image to match window size
762 root will tile image as if it was a root window background, auto-adjusting
763 whenever terminal window moves
764
705If used in conjunction with B<-tr> option - specified pixmap will be 765If used in conjunction with B<-tr> option, the specified pixmap will be
706blended over transparency image using either alpha-blending, or any 766blended over the transparent background using alpha-blending. If I<afterimage>
707other blending type, specified with B<-blt "type"> option. 767support has been compiled in it is possible to choose other blending
708[default 0x0+50+50] 768types with B<-blt "type"> option.
709 769
710=item B<path:> I<path> 770=item B<path:> I<path>
711 771
712Specify the colon-delimited search path for finding XPM files. 772Specify the colon-delimited search path for finding background image files.
713 773
714=item B<font:> I<fontlist> 774=item B<font:> I<fontlist>
715 775
716Select the fonts to be used. This is a comma separated list of font names 776Select the fonts to be used. This is a comma separated list of font names
717that are checked in order when trying to find glyphs for characters. The 777that are checked in order when trying to find glyphs for characters. The
740it is named first) and thus defines the character cell grid to be 9 pixels 800it is named first) and thus defines the character cell grid to be 9 pixels
741wide and 15 pixels high. 801wide and 15 pixels high.
742 802
743The second font is just used to add additional unicode characters not in 803The second font is just used to add additional unicode characters not in
744the base font, likewise the third, which is unfortunately non-bold, but 804the base font, likewise the third, which is unfortunately non-bold, but
745the bold version of the font does contain less characters, so this is a 805the bold version of the font does contain fewer characters, so this is a
746useful supplement. 806useful supplement.
747 807
748The third font is an Xft font with aliasing turned off, and the characters 808The third font is an Xft font with aliasing turned off, and the characters
749are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font 809are limited to the B<JIS 0208> codeset (i.e. japanese kanji). The font
750contains other characters, but we are not interested in them. 810contains other characters, but we are not interested in them.
774text font will being used for the given style. 834text font will being used for the given style.
775 835
776=item B<intensityStyles:> I<boolean> 836=item B<intensityStyles:> I<boolean>
777 837
778When font styles are not enabled, or this option is enabled (B<True>, 838When font styles are not enabled, or this option is enabled (B<True>,
779option B<-is>, the default), bold and italic font styles imply high 839option B<-is>, the default), bold/blink font styles imply high
780intensity foreground/background colours. Disabling this option (B<False>, 840intensity foreground/background colours. Disabling this option (B<False>,
781option B<+is>) disables this behaviour, the high intensity colours are not 841option B<+is>) disables this behaviour, the high intensity colours are not
782reachable. 842reachable.
783 843
784=item B<selectstyle:> I<mode>
785
786Set mouse selection style to B<old> which is 2.20, B<oldword> which
787is xterm style with 2.20 old word selection, or anything else which
788gives xterm style selection. Only effective when the original (non-perl)
789selection code is in use.
790
791=item B<scrollstyle:> I<mode>
792
793Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
794the author's favourite.
795
796=item B<title:> I<string> 844=item B<title:> I<string>
797 845
798Set window title string, the default title is the command-line 846Set window title string, the default title is the command-line
799specified after the B<-e> option, if any, otherwise the application 847specified after the B<-e> option, if any, otherwise the application
800name; option B<-title>. 848name; option B<-title>.
813=item B<urgentOnBell:> I<boolean> 861=item B<urgentOnBell:> I<boolean>
814 862
815B<True>: set the urgency hint for the wm on receipt of a bell character. 863B<True>: set the urgency hint for the wm on receipt of a bell character.
816B<False>: do not set the urgency hint [default]. 864B<False>: do not set the urgency hint [default].
817 865
866@@RXVT_NAME@@ resets the urgency hint on every focus change.
867
818=item B<visualBell:> I<boolean> 868=item B<visualBell:> I<boolean>
819 869
820B<True>: use visual bell on receipt of a bell character; option B<-vb>. 870B<True>: use visual bell on receipt of a bell character; option B<-vb>.
821B<False>: no visual bell [default]; option B<+vb>. 871B<False>: no visual bell [default]; option B<+vb>.
822 872
844 894
845 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 895 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
846 896
847This creates a new file in your home directory with the screen contents 897This creates a new file in your home directory with the screen contents
848every time you hit C<Print>. 898every time you hit C<Print>.
899
900=item B<scrollstyle:> I<mode>
901
902Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
903the author's favourite.
849 904
850=item B<scrollBar:> I<boolean> 905=item B<scrollBar:> I<boolean>
851 906
852B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 907B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
853disable the scrollbar; option B<+sb>. 908disable the scrollbar; option B<+sb>.
941=item B<cursorBlink:> I<boolean> 996=item B<cursorBlink:> I<boolean>
942 997
943B<True>: blink the cursor. B<False>: do not blink the cursor [default]; 998B<True>: blink the cursor. B<False>: do not blink the cursor [default];
944option B<-bc>. 999option B<-bc>.
945 1000
1001=item B<cursorUnderline:> I<boolean>
1002
1003B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
1004option B<-uc>.
1005
946=item B<pointerBlank:> I<boolean> 1006=item B<pointerBlank:> I<boolean>
947 1007
948B<True>: blank the pointer when a key is pressed or after a set number 1008B<True>: blank the pointer when a key is pressed or after a set number
949of seconds of inactivity. B<False>: the pointer is always visible 1009of seconds of inactivity. B<False>: the pointer is always visible
950[default]. 1010[default].
963large number (e.g. C<987654321>) to effectively disable the timeout. 1023large number (e.g. C<987654321>) to effectively disable the timeout.
964 1024
965=item B<backspacekey:> I<string> 1025=item B<backspacekey:> I<string>
966 1026
967The string to send when the backspace key is pressed. If set to B<DEC> 1027The string to send when the backspace key is pressed. If set to B<DEC>
968or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace> 1028or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
969(code 8) - which can be reversed with the appropriate DEC private mode 1029(code 8) - which can be reversed with the appropriate DEC private mode
970escape sequence. 1030escape sequence.
971 1031
972=item B<deletekey:> I<string> 1032=item B<deletekey:> I<string>
973 1033
986will be created). In this mode, characters outside ISO-8859-1 can be used. 1046will be created). In this mode, characters outside ISO-8859-1 can be used.
987 1047
988When the selection extension is not used, only ISO-8859-1 characters can 1048When the selection extension is not used, only ISO-8859-1 characters can
989be used. If not specified, the built-in default is used: 1049be used. If not specified, the built-in default is used:
990 1050
991B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1051B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
992 1052
993=item B<preeditType:> I<style> 1053=item B<preeditType:> I<style>
994 1054
995B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1055B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
996 1056
1052 1112
1053=item B<secondaryScroll:> I<boolean> 1113=item B<secondaryScroll:> I<boolean>
1054 1114
1055Turn on/off secondary screen scroll (default enabled). If this 1115Turn on/off secondary screen scroll (default enabled). If this
1056option is enabled, scrolls on the secondary screen will change the 1116option is enabled, scrolls on the secondary screen will change the
1057scrollback buffer and switching to/from the secondary screen will 1117scrollback buffer and, when secondaryScreen is off, switching
1058instead scroll the screen up. 1118to/from the secondary screen will instead scroll the screen up.
1059 1119
1060=item B<hold>: I<boolean> 1120=item B<hold>: I<boolean>
1061 1121
1062Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1122Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
1063will not immediately destroy its window when the program executed within 1123will not immediately destroy its window when the program executed within
1064it exits. Instead, it will wait till it is being killed or closed by the 1124it exits. Instead, it will wait till it is being killed or closed by the
1065user. 1125user.
1126
1127=item B<chdir>: I<path>
1128
1129Sets the working directory for the shell (or the command specified via
1130B<-e>). The I<path> must be an absolute path and it must exist for
1131@@RXVT_NAME@@ to start. If it isn't specified then the current working
1132directory will be used; option B<-cd>.
1066 1133
1067=item B<keysym.>I<sym>: I<string> 1134=item B<keysym.>I<sym>: I<string>
1068 1135
1069Compile I<frills>: Associate I<string> with keysym I<sym>. The 1136Compile I<frills>: Associate I<string> with keysym I<sym>. The
1070intervening resource name B<keysym.> cannot be omitted. 1137intervening resource name B<keysym.> cannot be omitted.
1084searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1151searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1085omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1152omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
1086keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1153keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1087performed in an exact manner; however, the closest match is assured. 1154performed in an exact manner; however, the closest match is assured.
1088 1155
1089I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1156I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1090C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1157number), see RESOURCES in C<man 7 X> for further details.
1091C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1092C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1093can start or end with whitespace. B<This feature is deprecated and will
1094be removed>.
1095
1096Please note that you need to double the C<\> in resource files, as
1097Xlib itself does its own de-escaping (you can use C<\033> instead of
1098C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1099processing).
1100 1158
1101You can define a range of keysyms in one shot by providing a I<string> 1159You can define a range of keysyms in one shot by providing a I<string>
1102with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/' 1160with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1103should be a character not used by the strings. 1161should be a character not used by the strings.
1104 1162
1118when Control-Meta-c is being pressed": 1176when Control-Meta-c is being pressed":
1119 1177
1120 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007 1178 URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
1121 1179
1122If I<string> takes the form C<perl:STRING>, then the specified B<STRING> 1180If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
1123is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3) 1181is passed to the C<on_user_command> perl handler. See the @@RXVT_NAME@@perl(3)
1124manpage. For example, the F<selection> extension (activated via 1182manpage. For example, the F<selection> extension (activated via
1125C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events: 1183C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
1126 1184
1127 URxvt.keysym.M-C-c: perl:selection:rot13 1185 URxvt.keysym.M-C-c: perl:selection:rot13
1128 1186
1129Due the the large number of modifier combinations, a defined key mapping 1187Due the the large number of modifier combinations, a defined key mapping
1130will match if at I<at least> the specified identifiers are being set, and 1188will match if I<at least> the specified identifiers are being set, and
1131no other key mappings with those and more bits are being defined. That 1189no other key mappings with those and more bits are being defined. That
1132means that defining a key map for C<a> will automatically provide 1190means that defining a key map for C<a> will automatically provide
1133definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined 1191definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
1134mappings themselves. 1192mappings themselves.
1135 1193
1186all instances, while B<perl-ext> is used for specific instances. 1244all instances, while B<perl-ext> is used for specific instances.
1187 1245
1188=item B<perl-eval>: I<string> 1246=item B<perl-eval>: I<string>
1189 1247
1190Perl code to be evaluated when all extensions have been registered. See 1248Perl code to be evaluated when all extensions have been registered. See
1191the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1249the @@RXVT_NAME@@perl(3) manpage.
1192will be ignored when running setuid/setgid.
1193 1250
1194=item B<perl-lib>: I<path> 1251=item B<perl-lib>: I<path>
1195 1252
1196Colon-separated list of additional directories that hold extension 1253Colon-separated list of additional directories that hold extension
1197scripts. When looking for extensions specified by the C<perl> resource, 1254scripts. When looking for extensions specified by the C<perl> resource,
1198@@RXVT_NAME@@ will first look in these directories and then in 1255@@RXVT_NAME@@ will first look in these directories and then in
1199F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1256F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1200will be ignored when running setuid/setgid.
1201 1257
1202See the @@RXVT_NAME@@perl(3) manpage. 1258See the @@RXVT_NAME@@perl(3) manpage.
1203 1259
1204=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1260=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1205 1261
1227 1283
1228=item B<override-redirect>: I<boolean> 1284=item B<override-redirect>: I<boolean>
1229 1285
1230Compile I<frills>: Sets override-redirect for the terminal window, making 1286Compile I<frills>: Sets override-redirect for the terminal window, making
1231it almost invisible to window managers; option B<-override-redirect>. 1287it almost invisible to window managers; option B<-override-redirect>.
1288
1289=item B<iso14755:> I<boolean>
1290
1291Turn on/off ISO 14755 (default enabled).
1232 1292
1233=item B<iso14755_52:> I<boolean> 1293=item B<iso14755_52:> I<boolean>
1234 1294
1235Turn on/off ISO 14755 5.2 mode (default enabled). 1295Turn on/off ISO 14755 5.2 mode (default enabled).
1236 1296
1379B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that 1439B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
1380it can be seen via the I<who(1)> command, and can accept messages. To 1440it can be seen via the I<who(1)> command, and can accept messages. To
1381allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root 1441allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
1382on some systems or setgid to root or to some other group on others. 1442on some systems or setgid to root or to some other group on others.
1383 1443
1384=head1 COLORS AND GRAPHICS 1444=head1 COLOURS AND GRAPHICS
1385 1445
1386In addition to the default foreground and background colours, 1446In addition to the default foreground and background colours,
1387B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1447B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
1388high-intensity bold/blink versions of the same). Here is a list of the 1448high-intensity (potentially bold/blink) versions of the same, and 72 (or
1389colours with their names. 1449240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
1450cube plus a 8 (24) colour greyscale ramp.
1451
1452Here is a list of the ANSI colours with their names.
1390 1453
1391=begin table 1454=begin table
1392 1455
1393 B<color0> (black) = Black 1456 B<color0> (black) = Black
1394 B<color1> (red) = Red3 1457 B<color1> (red) = Red3
1414It is also possible to specify the colour values of B<foreground>, 1477It is also possible to specify the colour values of B<foreground>,
1415B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1478B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1416a number 0-15, as a convenient shorthand to reference the colour name of 1479a number 0-15, as a convenient shorthand to reference the colour name of
1417color0-color15. 1480color0-color15.
1418 1481
1419In addition to the colours defined above, @@RXVT_NAME@@ offers an 1482The following text gives values for the standard 88 colour mode (and
1420additional 72 colours. The first 64 of those (with indices 16 to 79) 1483values for the 256 colour mode in parentheses).
1421consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
142216>), followed by 8 additional shades of gray (with indices 80 to 87).
1423 1484
1485The RGB cube uses indices 16..79 (16..231) using the following formulas:
1486
1487 index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3
1488 index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15
1489
1490The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10%
1491steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of
1492the RGB cube.
1493
1424Together, all those colours implement the 88 colour xterm colours. Only 1494Together, all those colours implement the 88 (256) colour xterm
1425the first 16 can be changed using resources currently, the rest can only 1495colours. Only the first 16 can be changed using resources currently, the
1426be changed via command sequences ("escape codes"). 1496rest can only be changed via command sequences ("escape codes").
1497
1498Applications are advised to use terminfo or command sequences to discover
1499number and RGB values of all colours (yes, you can query this...).
1427 1500
1428Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1501Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1429always swapping the foreground/background colours. This is in contrast to 1502always swapping the foreground/background colours. This is in contrast to
1430I<xterm>(1) where the colours are only swapped if they have not otherwise 1503I<xterm>(1) where the colours are only swapped if they have not otherwise
1431been specified. For example, 1504been specified. For example,
1432 1505
1433=over 4
1434
1435=item B<@@RXVT_NAME@@ -fg Black -bg White -rv> 1506 @@RXVT_NAME@@ -fg Black -bg White -rv
1436 1507
1437would yield White on Black, while on I<xterm>(1) it would yield Black 1508would yield White on Black, while on I<xterm>(1) it would yield Black on
1438on White. 1509White.
1439
1440=back
1441 1510
1442=head2 ALPHA CHANNEL SUPPORT 1511=head2 ALPHA CHANNEL SUPPORT
1443 1512
1444If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1513If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1445their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1514their act together, rxvt-unicode will do it's own alpha channel management:
1446(recommended, but B<MUST> have 4 digits/component) colour specifications, 1515
1447in addition to the ones provided by X, where the additional A component 1516You can prefix any colour with an opaqueness percentage enclosed in
1517brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1518(0-100) that specifies the opacity of the colour, where C<0> is completely
1519transparent and C<100> is completely opaque. For example, C<[50]red> is a
1520half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1521is the recommended format to specify transparency values, and works with
1522all ways to specify a colour.
1523
1524For complete control, rxvt-unicode also supports
1525C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1526specifications, where the additional C<aaaa> component specifies opacity
1448specifies opacity (alpha) values. The minimum value of C<0> is completely 1527(alpha) values. The minimum value of C<0000> is completely transparent,
1449transparent). You can also prefix any color with C<[percent]>, where 1528while C<ffff> is completely opaque). The two example colours from
1450C<percent> is a decimal percentage (0-100) that specifies the opacity of 1529earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1451the color, where C<0> is completely transparent and C<100> is completelxy 1530C<rgba:0000/ff00/0000/f332>.
1452opaque.
1453 1531
1454You probably need to specify B<"-depth 32">, too, and have the luck that 1532You probably need to specify B<"-depth 32">, too, to force a visual with
1455your X-server uses ARGB pixel layout, as X is far from just supporting 1533alpha channels, and have the luck that your X-server uses ARGB pixel
1456ARGB visuals out of the box, and rxvt-unicode just fudges around. 1534layout, as X is far from just supporting ARGB visuals out of the box, and
1535rxvt-unicode just fudges around.
1457 1536
1458For example, the following selects an almost completely transparent red 1537For example, the following selects an almost completely transparent black
1459background, and an almost opaque pink foreground: 1538background, and an almost opaque pink foreground:
1460 1539
1461 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/aaaa -fg "[80]pink" 1540 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1462 1541
1463I<Please note that transparency of any kind if completely unsupported by 1542When not using a background image, then the interpretation of the
1464the author. Don't bug him with installation questions!> 1543alpha channel is up to your compositing manager (most interpret it as
1544transparency of course).
1545
1546When using a background pixmap or pseudo-transparency, then the background
1547colour will always behave as if it were completely transparent (so the
1548background image shows instead), regardless of how it was specified, while
1549other colours will either be transparent as specified (the background
1550image will show through) on servers supporting the RENDER extension, or
1551fully opaque on servers not supporting the RENDER EXTENSION.
1552
1553Please note that due to bugs in Xft, specifying alpha values might result
1554in garbage being displayed when the X-server does not support the RENDER
1555extension.
1465 1556
1466=head1 ENVIRONMENT 1557=head1 ENVIRONMENT
1467 1558
1468B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1559B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1469 1560
1475resources or on the command line. 1566resources or on the command line.
1476 1567
1477=item B<COLORTERM> 1568=item B<COLORTERM>
1478 1569
1479Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was 1570Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1480compiled with XPM support, and optionally with the added extension 1571compiled with background image support, and optionally with the added
1481C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1572extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1573screen.
1482 1574
1483=item B<COLORFGBG> 1575=item B<COLORFGBG>
1484 1576
1485Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1577Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1486the colour code used as default foreground/text colour (or the string 1578the colour code used as default foreground/text colour (or the string
1487C<default> to indicate that the default-colour escape sequence is to be 1579C<default> to indicate that the default-colour escape sequence is to be
1488used), C<bg> is the colour code used as default background colour (or the 1580used), C<bg> is the colour code used as default background colour (or the
1489string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1581string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1490was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1582was compiled with background image support. Libraries like C<ncurses>
1491(and do) use this information to optimize screen output. 1583and C<slang> can (and do) use this information to optimize screen output.
1492 1584
1493=item B<WINDOWID> 1585=item B<WINDOWID>
1494 1586
1495Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1587Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1496window, which usually has subwindows for the scrollbar, the terminal 1588window, which usually has subwindows for the scrollbar, the terminal
1502C<--with-terminfo=PATH>. 1594C<--with-terminfo=PATH>.
1503 1595
1504=item B<DISPLAY> 1596=item B<DISPLAY>
1505 1597
1506Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1598Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1507display in its child processes. 1599display in its child processes if C<-display> isn't used to override. It
1600defaults to C<:0> if it doesn't exist.
1508 1601
1509=item B<SHELL> 1602=item B<SHELL>
1510 1603
1511The shell to be used for command execution, defaults to C</bin/sh>. 1604The shell to be used for command execution, defaults to C</bin/sh>.
1512 1605
1538 1631
1539=over 4 1632=over 4
1540 1633
1541=item B</usr/lib/X11/rgb.txt> 1634=item B</usr/lib/X11/rgb.txt>
1542 1635
1543Color names. 1636Colour names.
1544 1637
1545=back 1638=back
1546 1639
1547=head1 SEE ALSO 1640=head1 SEE ALSO
1548 1641
1587Project Coordinator (changes.txt 2.21a to 2.4.5) 1680Project Coordinator (changes.txt 2.21a to 2.4.5)
1588 1681
1589=item Geoff Wing L<< <gcw@pobox.com> >> 1682=item Geoff Wing L<< <gcw@pobox.com> >>
1590 1683
1591Rewrote screen display and text selection routines. 1684Rewrote screen display and text selection routines.
1592 1685
1593Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1686Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1594 1687
1595=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1688=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1596 1689
1597Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1690Forked rxvt-unicode, unicode support, rewrote almost all the code, perl

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