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Revision 1.101 by ayin, Thu Jan 19 23:18:55 2006 UTC vs.
Revision 1.169 by root, Wed Nov 5 00:14:18 2008 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/*checkout*/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 left-to-right 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 userfriendly, lean and clean 43me recommend C<mlterm>, which is a very user friendly, lean and clean
41terminal emulator. In fact, the reason rxvt-unicode was born was solely 44terminal emulator. In fact, the reason rxvt-unicode was born was solely
42because the author couldn't get C<mlterm> to use one font for latin1 and 45because the author couldn't get C<mlterm> to use one font for latin1 and
43another for japanese. 46another for japanese.
44 47
45Therefore another design rationale was the use of multiple fonts to 48Therefore another design rationale was the use of multiple fonts to
46display characters: The idea of a single unicode font which many other 49display characters: The idea of a single unicode font which many other
47programs force onto it's users never made sense to me: You should be able 50programs force onto its users never made sense to me: You should be able
48to choose any font for any script freely. 51to choose any font for any script freely.
49 52
50Apart from that, rxvt-unicode is also much better internationalised than 53Apart from that, rxvt-unicode is also much better internationalised than
51it's predecessor, supports things such as XFT and ISO 14755 that are handy 54its predecessor, supports things such as XFT and ISO 14755 that are handy
52in i18n-environments, is faster, and has a lot less bugs than the original 55in i18n-environments, is faster, and has a lot bugs less than the original
53rxvt. This all in addition to dozens of other small improvements. 56rxvt. This all in addition to dozens of other small improvements.
54 57
55It is still faithfully following the original rxvt idea of being lean 58It is still faithfully following the original rxvt idea of being lean
56and nice on resources: for example, you can still configure rxvt-unicode 59and nice on resources: for example, you can still configure rxvt-unicode
57without most of it's features to get a lean binary. It also comes with 60without most of its features to get a lean binary. It also comes with
58a client/daemon pair that lets you open any number of terminal windows 61a client/daemon pair that lets you open any number of terminal windows
59from within a single process, which makes startup time very fast and 62from within a single process, which makes startup time very fast and
60drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and 63drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and
61@@RXVT_NAME@@c(1) (client). 64@@RXVT_NAME@@c(1) (client).
62 65
63It also makes technical information about escape sequences (which have 66It also makes technical information about escape sequences (which have
64been extended) easier accessible: see @@RXVT_NAME@@(7) for technical 67been extended) more accessible: see @@RXVT_NAME@@(7) for technical
65reference documentation (escape sequences etc.). 68reference documentation (escape sequences etc.).
66 69
67=head1 OPTIONS 70=head1 OPTIONS
68 71
69The B<@@RXVT_NAME@@> options (mostly a subset of I<xterm>'s) are listed 72The B<@@RXVT_NAME@@> options (mostly a subset of I<xterm>'s) are listed
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.
100
101=item B<-depth> I<bitdepth>
102
103Compile I<xft>: Attempt to find a visual with the given bit depth;
104resource B<depth>.
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]
97 110
98=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
99 112
100Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
101 114
103 116
104Turn on/off simulated reverse video; resource B<reverseVideo>. 117Turn on/off simulated reverse video; resource B<reverseVideo>.
105 118
106=item B<-j>|B<+j> 119=item B<-j>|B<+j>
107 120
108Turn on/off jump scrolling; resource B<jumpScroll>. 121Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
109 122
110=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 123=item B<-ss>|B<+ss>
111 124
112Turn on/off inheriting parent window's pixmap. Alternative form is 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
113B<-tr>; resource B<inheritPixmap>. 126
127=item B<-tr>|B<+tr>
128
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.
133
134I<Please address all transparency related issues to Sasha Vasko at
135sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
114 136
115=item B<-fade> I<number> 137=item B<-fade> I<number>
116 138
117Fade the text by the given percentage when focus is lost. Small values 139Fade the text by the given percentage when focus is lost. Small values
118fade a little only, 100 completely replaces all colours by the fade 140fade a little only, 100 completely replaces all colours by the fade
119colour; resource B<fading>. 141colour; resource B<fading>.
120 142
121=item B<-fadecolor> I<colour> 143=item B<-fadecolor> I<colour>
122 144
123Fade to this colour when fading is used (see B<-fade>). The default colour 145Fade to this colour when fading is used (see B<-fade>). The default colour
124is black. resource B<fadeColor>. 146is opaque black. resource B<fadeColor>.
125 147
126=item B<-tint> I<colour> 148=item B<-tint> I<colour>
127 149
128Tint the transparent background pixmap with the given colour when 150Tint the transparent background pixmap with the given colour when
129transparency is enabled with B<-tr> or B<-ip>. This only works for 151transparency is enabled with B<-tr>. This only works for
130non-tiled backgrounds, currently. See also the B<-sh> option that can be 152non-tiled backgrounds, currently. See also the B<-sh> option that can be
131used to brighten or darken the image in addition to tinting it; resource 153used to brighten or darken the image in addition to tinting it.
154Please note that certain tint colours can be applied on the server-side,
155thus yielding performance gain of two orders of magnitude. These colours are:
156blue, red, green, cyan, magenta, yellow, and those close to them. Also
157pure black and pure white colors essentially mean no tinting; resource
132I<tintColor>. Example: 158I<tintColor>. Example:
133 159
134 @@RXVT_NAME@@ -tr -tint blue -sh 40 160 @@RXVT_NAME@@ -tr -tint blue -sh 40
135 161
136=item B<-sh> 162=item B<-sh> I<number>
137 163
138I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 164Darken (0 .. 100) or lighten (100 .. 200) the transparent
139background image in addition to tinting it (i.e. B<-tint> must be 165background image in addition to (or instead of) tinting it;
140specified, too, e.g. C<-tint white>). 166resource I<shading>.
167
168=item B<-blt> I<string>
169
170Specify background blending type. If background pixmap is specified
171at the same time as transparency - such pixmap will be blended over
172transparency image, using method specified. Supported values are :
173B<add>, B<alphablend>, B<allanon> - color values averaging, B<colorize>,
174B<darken>, B<diff>, B<dissipate>, B<hue>, B<lighten>, B<overlay>,
175B<saturate>, B<screen>, B<sub>, B<tint>, B<value>. The default is
176alpha-blending. Compile I<afterimage>; resource I<blendType>.
177
178=item B<-blr> I<HxV>
179
180Apply Gaussian Blur with the specified radii to the transparent
181background image. If single number is specified - both vertical and
182horizontal radii are considered to be the same. Setting one of the
183radii to 1 and another to a large number creates interesting effects
184on some backgrounds. Maximum radius value is 128. Compile I<afterimage>;
185resource I<blurRadius>.
186
187=item B<-icon> I<file>
188
189Compile I<afterimage>: Use the specified image as application icon. This
190is used by many window managers, taskbars and pagers to represent the
191application window; resource I<iconFile>.
141 192
142=item B<-bg> I<colour> 193=item B<-bg> I<colour>
143 194
144Window background colour; resource B<background>. 195Window background colour; resource B<background>.
145 196
146=item B<-fg> I<colour> 197=item B<-fg> I<colour>
147 198
148Window foreground colour; resource B<foreground>. 199Window foreground colour; resource B<foreground>.
149 200
150=item B<-pixmap> I<file[;geom]> 201=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
151 202
152Compile I<XPM>: Specify XPM file for the background and also optionally 203Compile I<afterimage>: Specify image file for the background and also
153specify its scaling with a geometry string. Note you may need to 204optionally specify its scaling with a geometry string. Note you may need to
154add quotes to avoid special shell interpretation of the C<;> in the 205add quotes to avoid special shell interpretation of the C<;> in the
155command-line; resource B<backgroundPixmap>. 206command-line; for more details see resource B<backgroundPixmap>.
156 207
157=item B<-cr> I<colour> 208=item B<-cr> I<colour>
158 209
159The cursor colour; resource B<cursorColor>. 210The cursor colour; resource B<cursorColor>.
160 211
177that are checked in order when trying to find glyphs for characters. The 228that are checked in order when trying to find glyphs for characters. The
178first font defines the cell size for characters; other fonts might be 229first font defines the cell size for characters; other fonts might be
179smaller, but not (in general) larger. A (hopefully) reasonable default 230smaller, but not (in general) larger. A (hopefully) reasonable default
180font list is always appended to it. See resource B<font> for more details. 231font list is always appended to it. See resource B<font> for more details.
181 232
182In short, to specify an X11 core font, just specify it's name or prefix it 233In short, to specify an X11 core font, just specify its name or prefix it
183with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>, 234with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>,
184e.g.: 235e.g.:
185 236
186 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15" 237 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
187 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono" 238 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono"
205italic> >> characters are to be printed. See resource B<boldItalicFont> 256italic> >> characters are to be printed. See resource B<boldItalicFont>
206for details. 257for details.
207 258
208=item B<-is>|B<+is> 259=item B<-is>|B<+is>
209 260
210Compile I<font-styles>: Bold/Italic font styles imply high intensity 261Compile I<font-styles>: Bold/Blink font styles imply high intensity
211foreground/background (default). See resource B<intensityStyles> for 262foreground/background (default). See resource B<intensityStyles> for
212details. 263details.
213 264
214=item B<-name> I<name> 265=item B<-name> I<name>
215 266
233 284
234=item B<-sb>|B<+sb> 285=item B<-sb>|B<+sb>
235 286
236Turn on/off scrollbar; resource B<scrollBar>. 287Turn on/off scrollbar; resource B<scrollBar>.
237 288
289=item B<-sr>|B<+sr>
290
291Put scrollbar on right/left; resource B<scrollBar_right>.
292
293=item B<-st>|B<+st>
294
295Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
296resource B<scrollBar_floating>.
297
238=item B<-si>|B<+si> 298=item B<-si>|B<+si>
239 299
240Turn on/off scroll-to-bottom on TTY output inhibit; resource 300Turn on/off scroll-to-bottom on TTY output inhibit; resource
241B<scrollTtyOutput> has opposite effect. 301B<scrollTtyOutput> has opposite effect.
242 302
248=item B<-sw>|B<+sw> 308=item B<-sw>|B<+sw>
249 309
250Turn on/off scrolling with the scrollback buffer as new lines appear. 310Turn on/off scrolling with the scrollback buffer as new lines appear.
251This only takes effect if B<-si> is also given; resource 311This only takes effect if B<-si> is also given; resource
252B<scrollWithBuffer>. 312B<scrollWithBuffer>.
253
254=item B<-sr>|B<+sr>
255
256Put scrollbar on right/left; resource B<scrollBar_right>.
257
258=item B<-st>|B<+st>
259
260Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
261resource B<scrollBar_floating>.
262 313
263=item B<-ptab>|B<+ptab> 314=item B<-ptab>|B<+ptab>
264 315
265If enabled (default), "Horizontal Tab" characters are being stored as 316If enabled (default), "Horizontal Tab" characters are being stored as
266actual wide characters in the screen buffer, which makes it possible to 317actual wide characters in the screen buffer, which makes it possible to
295 346
296=item B<-bl> 347=item B<-bl>
297 348
298Compile I<frills>: Set MWM hints to request a borderless window, i.e. 349Compile I<frills>: Set MWM hints to request a borderless window, i.e.
299if honoured by the WM, the rxvt-unicode window will not have window 350if honoured by the WM, the rxvt-unicode window will not have window
300decorations; resource B<borderLess>. 351decorations; resource B<borderLess>. If the window manager does not
352support MWM hints (e.g. kwin), enables override-redirect mode.
301 353
302=item B<-override-redirect> 354=item B<-override-redirect>
303 355
304Compile I<frills>: Sets override-redirect on the window; resource 356Compile I<frills>: Sets override-redirect on the window; resource
305B<override-redirect>. 357B<override-redirect>.
313 365
314=item B<-lsp> I<number> 366=item B<-lsp> I<number>
315 367
316Compile I<frills>: Lines (pixel height) to insert between each row of 368Compile I<frills>: Lines (pixel height) to insert between each row of
317the display. Useful to work around font rendering problems; resource 369the display. Useful to work around font rendering problems; resource
318B<linespace>. 370B<lineSpace>.
319 371
320=item B<-tn> I<termname> 372=item B<-tn> I<termname>
321 373
322This option specifies the name of the terminal type to be set in the 374This option specifies the name of the terminal type to be set in the
323B<TERM> environment variable. This terminal type must exist in the 375B<TERM> environment variable. This terminal type must exist in the
377for more info. 429for more info.
378 430
379=item B<-tcw> 431=item B<-tcw>
380 432
381Change the meaning of triple-click selection with the left mouse 433Change the meaning of triple-click selection with the left mouse
434button. Only effective when the original (non-perl) selection code is
382button. Instead of selecting a full line it will extend the selection the 435in-use. Instead of selecting a full line it will extend the selection to
383end of the logical line only. resource B<tripleclickwords>. 436the end of the logical line only. resource B<tripleclickwords>.
384 437
385=item B<-insecure> 438=item B<-insecure>
386 439
387Enable "insecure" mode, which currently enables most of the escape 440Enable "insecure" mode, which currently enables most of the escape
388sequences that echo strings. See the resource B<insecure> for more 441sequences that echo strings. See the resource B<insecure> for more
409Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 462Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
410will not immediately destroy its window when the program executed within 463will not immediately destroy its window when the program executed within
411it exits. Instead, it will wait till it is being killed or closed by the 464it exits. Instead, it will wait till it is being killed or closed by the
412user; resource B<hold>. 465user; resource B<hold>.
413 466
467=item B<-cd> I<path>
468
469Sets the working directory for the shell (or the command specified via
470B<-e>). The I<path> must be an absolute path and it must exist for
471@@RXVT_NAME@@ to start; resource B<chdir>.
472
473=item B<-xrm> I<string>
474
475Works like the X Toolkit option of the same name, by adding the I<string>
476as if it were specified in a resource file. Resource values specified this
477way take precedence over all other resource specifications.
478
479Note that you need to use the I<same> syntax as in the .Xdefaults file,
480e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
481options can be specified as long-options on the commandline, so use
482of B<-xrm> is mostly limited to cases where you want to specify other
483resources (e.g. for input methods) or for compatibility with other
484programs.
485
414=item B<-keysym.>I<sym> I<string> 486=item B<-keysym.>I<sym> I<string>
415 487
416Remap a key symbol. See resource B<keysym>. 488Remap a key symbol. See resource B<keysym>.
417 489
418=item B<-embed> I<windowid> 490=item B<-embed> I<windowid>
419 491
420Tells @@RXVT_NAME@@ to embed it's windows into an already-existing window, 492Tells @@RXVT_NAME@@ to embed its windows into an already-existing window,
421which enables applications to easily embed a terminal. 493which enables applications to easily embed a terminal.
422 494
423Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it 495Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it
424shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it 496shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it
425quite a bit, so don't expect it to keep some specific state. It's best to 497quite a bit, so don't expect it to keep some specific state. It's best to
428The window will not be destroyed when @@RXVT_NAME@@ exits. 500The window will not be destroyed when @@RXVT_NAME@@ exits.
429 501
430It might be useful to know that @@RXVT_NAME@@ will not close file 502It might be useful to know that @@RXVT_NAME@@ will not close file
431descriptors passed to it (except for stdin/out/err, of course), so you 503descriptors passed to it (except for stdin/out/err, of course), so you
432can use file descriptors to communicate with the programs within the 504can use file descriptors to communicate with the programs within the
433terminal. This works regardless of wether the C<-embed> option was used or 505terminal. This works regardless of whether the C<-embed> option was used or
434not. 506not.
435 507
436Here is a short Gtk2-perl snippet that illustrates how this option can be 508Here is a short Gtk2-perl snippet that illustrates how this option can be
437used (a longer example is in F<doc/embed>): 509used (a longer example is in F<doc/embed>):
438 510
443 }); 515 });
444 516
445=item B<-pty-fd> I<file descriptor> 517=item B<-pty-fd> I<file descriptor>
446 518
447Tells @@RXVT_NAME@@ NOT to execute any commands or create a new pty/tty 519Tells @@RXVT_NAME@@ NOT to execute any commands or create a new pty/tty
448pair but instead use the given filehandle as the tty master. This is 520pair but instead use the given file descriptor as the tty master. This is
449useful if you want to drive @@RXVT_NAME@@ as a generic terminal emulator 521useful if you want to drive @@RXVT_NAME@@ as a generic terminal emulator
450without having to run a program within it. 522without having to run a program within it.
451 523
452If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp 524If this switch is given, @@RXVT_NAME@@ will not create any utmp/wtmp
453entries and will not tinker with pty/tty permissions - you have to do that 525entries and will not tinker with pty/tty permissions - you have to do that
454yourself if you want that. 526yourself if you want that.
455 527
456As an extremely special case, specifying C<-1> will completely suppress 528As an extremely special case, specifying C<-1> will completely suppress
457pty/tty operations. 529pty/tty operations, which is probably only useful in conjunction with some
530perl extension that manages the terminal.
458 531
459Here is a example in perl that illustrates how this option can be used (a 532Here is a example in perl that illustrates how this option can be used (a
460longer example is in F<doc/pty-fd>): 533longer example is in F<doc/pty-fd>):
461 534
462 use IO::Pty; 535 use IO::Pty;
476Comma-separated list of perl extension scripts to use (or not to use) in 549Comma-separated list of perl extension scripts to use (or not to use) in
477this terminal instance. See resource B<perl-ext> for details. 550this terminal instance. See resource B<perl-ext> for details.
478 551
479=back 552=back
480 553
481=head1 RESOURCES (available also as long-options) 554=head1 RESOURCES
482 555
483Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 556Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
484options) compiled into your version. 557options) compiled into your version. All resources are also available as
558long-options.
485 559
486You can set and change the resources using X11 tools like B<xrdb>. Many 560You can set and change the resources using X11 tools like B<xrdb>. Many
487distribution do also load settings from the B<~/.Xresources> file when X 561distribution do also load settings from the B<~/.Xresources> file when X
488starts. @@RXVT_NAME@@ will consult the following files/resources in order, 562starts. @@RXVT_NAME@@ will consult the following files/resources in order,
489with later settings overwriting earlier ones: 563with later settings overwriting earlier ones:
491 1. system-wide app-defaults file, either locale-dependent OR global 565 1. system-wide app-defaults file, either locale-dependent OR global
492 2. app-defaults file in $XAPPLRESDIR 566 2. app-defaults file in $XAPPLRESDIR
493 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 567 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
494 4. SCREEN_RESOURCES for the current screen 568 4. SCREEN_RESOURCES for the current screen
495 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 569 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
570 6. resources specified via -xrm on the commandline
496 571
497Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 572Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
498names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources 573names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
499common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily 574common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
500configured, while the class name B<URxvt> allows resources unique to 575configured, while the class name B<URxvt> allows resources unique to
505check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl 580check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl
506extensions not documented here): 581extensions not documented here):
507 582
508=over 4 583=over 4
509 584
585=item B<depth:> I<bitdepth>
586
587Compile I<xft>: Attempt to find a visual with the given bit depth;
588option B<-depth>.
589
590=item B<buffered:> I<boolean>
591
592Compile I<xft>: Turn on/off double-buffering for xft (default enabled).
593On some card/driver combination enabling it slightly decreases
594performance, on most it greatly helps it. The slowdown is small, so it
595should normally be enabled.
596
510=item B<geometry:> I<geom> 597=item B<geometry:> I<geom>
511 598
512Create the window with the specified X window geometry [default 80x24]; 599Create the window with the specified X window geometry [default 80x24];
513option B<-geometry>. 600option B<-geometry>.
514 601
550Use the specified colour to display underlined characters when the 637Use the specified colour to display underlined characters when the
551foreground colour is the default. 638foreground colour is the default.
552 639
553=item B<colorRV:> I<colour> 640=item B<colorRV:> I<colour>
554 641
555Use the specified colour as the background for reverse video 642Use the specified colour as the background for reverse video characters
556characters. 643when OPTION_HC is disabled (--disable-frills).
557 644
558=item B<underlineColor:> I<colour> 645=item B<underlineColor:> I<colour>
559 646
560If set, use the specified colour as the colour for the underline 647If set, use the specified colour as the colour for the underline
561itself. If unset, use the foreground colour. 648itself. If unset, use the foreground colour.
577option B<-rv>. B<False>: regular screen colours [default]; option 664option B<-rv>. B<False>: regular screen colours [default]; option
578B<+rv>. See note in B<COLORS AND GRAPHICS> section. 665B<+rv>. See note in B<COLORS AND GRAPHICS> section.
579 666
580=item B<jumpScroll:> I<boolean> 667=item B<jumpScroll:> I<boolean>
581 668
582B<True>: specify that jump scrolling should be used. When scrolling 669B<True>: specify that jump scrolling should be used. When receiving lots
583quickly, fewer screen updates are performed [default]; option B<-j>. 670of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
671has been read, resulting in fewer updates while still displaying every
672received line; option B<-j>.
673
584B<False>: specify that smooth scrolling should be used; option B<+j>. 674B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
675force a screen refresh on each new line it received; option B<+j>.
585 676
586=item B<inheritPixmap:> I<boolean> 677=item B<skipScroll:> I<boolean>
587 678
588B<True>: make the background inherit the parent windows' pixmap, giving 679B<True>: (the default) specify that skip scrolling should be used. When
589artificial transparency. B<False>: do not inherit the parent windows' 680receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
590pixmap. 681(around 60 times per second), resulting in far fewer updates. This can
682result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
683option B<-ss>.
684
685B<False>: specify that everything is to be displayed, even
686if the refresh is too fast for the human eye to read anything (or the
687monitor to display anything); option B<+ss>.
688
689=item B<transparent:> I<boolean>
690
691Turn on/off illusion of a transparent window background.
692
693B<inheritPixmap> is still accepted as an obsolete alias but will be removed in
694future versions.
695
696I<Please address all transparency related issues to Sasha Vasko at
697sasha@aftercode.net. Read the FAQ (man 7 @@RXVT_NAME@@)!>
591 698
592=item B<fading:> I<number> 699=item B<fading:> I<number>
593 700
594Fade 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>.
595 702
603Tint the transparent background pixmap with the given colour; option 710Tint the transparent background pixmap with the given colour; option
604B<-tint>. 711B<-tint>.
605 712
606=item B<shading:> I<number> 713=item B<shading:> I<number>
607 714
608Darken (0 .. 100) or lighten (-1 .. -100) the transparent background 715Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image
609image in addition to tinting it. 716in addition to tinting it; option B<-sh>.
717
718=item B<blendType:> I<string>
719
720Specify background blending type; option B<-blt>.
721
722=item B<blurRadius:> I<number>
723
724Apply gaussian blur with the specified radius to the transparent
725background image; option B<-blr>.
726
727=item B<iconFile:> I<file>
728
729Set the application icon pixmap; option B<-icon>.
610 730
611=item B<scrollColor:> I<colour> 731=item B<scrollColor:> I<colour>
612 732
613Use the specified colour for the scrollbar [default #B2B2B2]. 733Use the specified colour for the scrollbar [default #B2B2B2].
614 734
620=item B<borderColor:> I<colour> 740=item B<borderColor:> I<colour>
621 741
622The 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
623and the text. 743and the text.
624 744
625=item B<backgroundPixmap:> I<file[;geom]> 745=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
626 746
627Use the specified XPM file (note the `.xpm' extension is optional) for 747Use the specified image file for the background and also
628the background and also optionally specify its scaling with a geometry 748optionally specify its scaling with a geometry string B<WxH+X+Y>,
629string B<WxH+X+Y>, in which B<"W" / "H"> specify the 749(default C<0x0+50+50>) in which B<"W" / "H"> specify the
630horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 750horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
631centre (percent). A scale of 0 displays the image with tiling. A scale 751centre (percent). A scale of 0 displays the image with tiling. A scale
632of 1 displays the image without any scaling. A scale of 2 to 9 752of 1 displays the image without any scaling. A scale of 2 to 9 specifies
633specifies an integer number of images in that direction. No image will 753an integer number of images in that direction. No image will be magnified
634be magnified beyond 10 times its original size. The maximum permitted 754beyond 10 times its original size. The maximum permitted scale is 1000.
635scale is 1000. [default 0x0+50+50] 755Additional operations can be specified after colon B<:op1:op2...>.
756Supported operations are:
757
758 tile force background image to be tiled and not scaled. Equivalent to 0x0
759 propscale will scale image keeping proportions
760 auto will scale image to match window size. Equivalent to 100x100
761 hscale will scale image horizontally to the window size
762 vscale will scale image vertically to the window size
763 scale will scale image to match window size
764 root will tile image as if it was a root window background, auto-adjusting
765 whenever terminal window moves
766
767If used in conjunction with B<-tr> option, the specified pixmap will be
768blended over transparency image using either alpha-blending, or any
769other blending type, specified with B<-blt "type"> option.
636 770
637=item B<path:> I<path> 771=item B<path:> I<path>
638 772
639Specify the colon-delimited search path for finding XPM files. 773Specify the colon-delimited search path for finding background image files.
640 774
641=item B<font:> I<fontlist> 775=item B<font:> I<fontlist>
642 776
643Select the fonts to be used. This is a comma separated list of font names 777Select the fonts to be used. This is a comma separated list of font names
644that are checked in order when trying to find glyphs for characters. The 778that are checked in order when trying to find glyphs for characters. The
701text font will being used for the given style. 835text font will being used for the given style.
702 836
703=item B<intensityStyles:> I<boolean> 837=item B<intensityStyles:> I<boolean>
704 838
705When font styles are not enabled, or this option is enabled (B<True>, 839When font styles are not enabled, or this option is enabled (B<True>,
706option B<-is>, the default), bold and italic font styles imply high 840option B<-is>, the default), bold/blink font styles imply high
707intensity foreground/backround colours. Disabling this option (B<False>, 841intensity foreground/background colours. Disabling this option (B<False>,
708option B<+is>) disables this behaviour, the high intensity colours are not 842option B<+is>) disables this behaviour, the high intensity colours are not
709reachable. 843reachable.
710
711=item B<selectstyle:> I<mode>
712
713Set mouse selection style to B<old> which is 2.20, B<oldword> which is
714xterm style with 2.20 old word selection, or anything else which gives
715xterm style selection.
716
717=item B<scrollstyle:> I<mode>
718
719Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
720the author's favourite.
721 844
722=item B<title:> I<string> 845=item B<title:> I<string>
723 846
724Set window title string, the default title is the command-line 847Set window title string, the default title is the command-line
725specified after the B<-e> option, if any, otherwise the application 848specified after the B<-e> option, if any, otherwise the application
734=item B<mapAlert:> I<boolean> 857=item B<mapAlert:> I<boolean>
735 858
736B<True>: de-iconify (map) on receipt of a bell character. B<False>: no 859B<True>: de-iconify (map) on receipt of a bell character. B<False>: no
737de-iconify (map) on receipt of a bell character [default]. 860de-iconify (map) on receipt of a bell character [default].
738 861
862=item B<urgentOnBell:> I<boolean>
863
864B<True>: set the urgency hint for the wm on receipt of a bell character.
865B<False>: do not set the urgency hint [default].
866
867@@RXVT_NAME@@ resets the urgency hint on every focus change.
868
739=item B<visualBell:> I<boolean> 869=item B<visualBell:> I<boolean>
740 870
741B<True>: use visual bell on receipt of a bell character; option B<-vb>. 871B<True>: use visual bell on receipt of a bell character; option B<-vb>.
742B<False>: no visual bell [default]; option B<+vb>. 872B<False>: no visual bell [default]; option B<+vb>.
743 873
764Example: 894Example:
765 895
766 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 896 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
767 897
768This creates a new file in your home directory with the screen contents 898This creates a new file in your home directory with the screen contents
769everytime you hit C<Print>. 899every time you hit C<Print>.
900
901=item B<scrollstyle:> I<mode>
902
903Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
904the author's favourite.
770 905
771=item B<scrollBar:> I<boolean> 906=item B<scrollBar:> I<boolean>
772 907
773B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 908B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
774disable the scrollbar; option B<+sb>. 909disable the scrollbar; option B<+sb>.
796 931
797=item B<scrollWithBuffer:> I<boolean> 932=item B<scrollWithBuffer:> I<boolean>
798 933
799B<True>: scroll with scrollback buffer when tty receives new lines (and 934B<True>: scroll with scrollback buffer when tty receives new lines (and
800B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 935B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll
801with scrollback buffer when tty recieves new lines; option B<+sw>. 936with scrollback buffer when tty receives new lines; option B<+sw>.
802 937
803=item B<scrollTtyKeypress:> I<boolean> 938=item B<scrollTtyKeypress:> I<boolean>
804 939
805B<True>: scroll to bottom when a non-special key is pressed. Special keys 940B<True>: scroll to bottom when a non-special key is pressed. Special keys
806are those which are intercepted by rxvt-unicode for special handling and 941are those which are intercepted by rxvt-unicode for special handling and
837=item B<termName:> I<termname> 972=item B<termName:> I<termname>
838 973
839Specifies the terminal type name to be set in the B<TERM> environment 974Specifies the terminal type name to be set in the B<TERM> environment
840variable; option B<-tn>. 975variable; option B<-tn>.
841 976
842=item B<linespace:> I<number> 977=item B<lineSpace:> I<number>
843 978
844Specifies number of lines (pixel height) to insert between each row of 979Specifies number of lines (pixel height) to insert between each row of
845the display [default 0]; option B<-lsp>. 980the display [default 0]; option B<-lsp>.
846 981
847=item B<meta8:> I<boolean> 982=item B<meta8:> I<boolean>
896pressed. If unset it will send the sequence traditionally associated 1031pressed. If unset it will send the sequence traditionally associated
897with the B<Execute> key. 1032with the B<Execute> key.
898 1033
899=item B<cutchars:> I<string> 1034=item B<cutchars:> I<string>
900 1035
901The characters used as delimiters for double-click word selection. The 1036The characters used as delimiters for double-click word selection
902built-in default: 1037(whitespace delimiting is added automatically if resource is given).
903 1038
1039When the perl selection extension is in use (the default if compiled
1040in, see the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these
1041characters will be created (if the resource exists, otherwise, no regex
1042will be created). In this mode, characters outside ISO-8859-1 can be used.
1043
1044When the selection extension is not used, only ISO-8859-1 characters can
1045be used. If not specified, the built-in default is used:
1046
904B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1047B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
905 1048
906=item B<preeditType:> I<style> 1049=item B<preeditType:> I<style>
907 1050
908B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1051B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
909 1052
963 1106
964Turn on/off secondary screen (default enabled). 1107Turn on/off secondary screen (default enabled).
965 1108
966=item B<secondaryScroll:> I<boolean> 1109=item B<secondaryScroll:> I<boolean>
967 1110
968Turn on/off secondary screen scroll (default enabled). If the this 1111Turn on/off secondary screen scroll (default enabled). If this
969option is enabled, scrolls on the secondary screen will change the 1112option is enabled, scrolls on the secondary screen will change the
970scrollback buffer and switching to/from the secondary screen will 1113scrollback buffer and, when secondaryScreen is off, switching
971instead scroll the screen up. 1114to/from the secondary screen will instead scroll the screen up.
972 1115
973=item B<hold>: I<boolean> 1116=item B<hold>: I<boolean>
974 1117
975Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1118Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
976will not immediately destroy its window when the program executed within 1119will not immediately destroy its window when the program executed within
977it exits. Instead, it will wait till it is being killed or closed by the 1120it exits. Instead, it will wait till it is being killed or closed by the
978user. 1121user.
1122
1123=item B<chdir>: I<path>
1124
1125Sets the working directory for the shell (or the command specified via
1126B<-e>). The I<path> must be an absolute path and it must exist for
1127@@RXVT_NAME@@ to start. If it isn't specified then the current working
1128directory will be used; option B<-cd>.
979 1129
980=item B<keysym.>I<sym>: I<string> 1130=item B<keysym.>I<sym>: I<string>
981 1131
982Compile I<frills>: Associate I<string> with keysym I<sym>. The 1132Compile I<frills>: Associate I<string> with keysym I<sym>. The
983intervening resource name B<keysym.> cannot be omitted. 1133intervening resource name B<keysym.> cannot be omitted.
997searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1147searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
998omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex 1148omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
999keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not 1149keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
1000performed in an exact manner; however, the closest match is assured. 1150performed in an exact manner; however, the closest match is assured.
1001 1151
1002I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1152I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1003C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab, 1153number), see RESOURCES in C<man 7 X> for futher details.
1004C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1005C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1006can start or end with whitespace.
1007
1008Please note that you need to double the C<\> in resource files, as
1009Xlib itself does it's own de-escaping (you can use C<\033> instead of
1010C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1011processing).
1012 1154
1013You can define a range of keysyms in one shot by providing a I<string> 1155You can define a range of keysyms in one shot by providing a I<string>
1014with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/' 1156with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1015should be a character not used by the strings. 1157should be a character not used by the strings.
1016 1158
1017Its usage can be demonstrated by an example: 1159Its usage can be demonstrated by an example:
1018 1160
1019 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1161 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|>
1083example, C<default,-selection> will use all the default extension except 1225example, C<default,-selection> will use all the default extension except
1084C<selection>. 1226C<selection>.
1085 1227
1086Extension names can also be followed by an argument in angle brackets 1228Extension names can also be followed by an argument in angle brackets
1087(e.g. C<< searchable-scrollback<M-s> >>, which binds the hotkey for 1229(e.g. C<< searchable-scrollback<M-s> >>, which binds the hotkey for
1088searchable scorllback to Alt/Meta-s). Mentioning the same extension 1230searchable scrollback to Alt/Meta-s). Mentioning the same extension
1089multiple times with different arguments will pass multiple arguments to 1231multiple times with different arguments will pass multiple arguments to
1090the extension. 1232the extension.
1091 1233
1092Each extension is looked up in the library directories, loaded if 1234Each extension is looked up in the library directories, loaded if
1093necessary, and bound to the current terminal instance. 1235necessary, and bound to the current terminal instance.
1098all instances, while B<perl-ext> is used for specific instances. 1240all instances, while B<perl-ext> is used for specific instances.
1099 1241
1100=item B<perl-eval>: I<string> 1242=item B<perl-eval>: I<string>
1101 1243
1102Perl code to be evaluated when all extensions have been registered. See 1244Perl code to be evaluated when all extensions have been registered. See
1103the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1245the @@RXVT_NAME@@perl(3) manpage.
1104will be ignored when running setuid/setgid.
1105 1246
1106=item B<perl-lib>: I<path> 1247=item B<perl-lib>: I<path>
1107 1248
1108Colon-separated list of additional directories that hold extension 1249Colon-separated list of additional directories that hold extension
1109scripts. When looking for extensions specified by the C<perl> resource, 1250scripts. When looking for extensions specified by the C<perl> resource,
1110@@RXVT_NAME@@ will first look in these directories and then in 1251@@RXVT_NAME@@ will first look in these directories and then in
1111F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1252F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1112will be ignored when running setuid/setgid.
1113 1253
1114See the @@RXVT_NAME@@perl(3) manpage. 1254See the @@RXVT_NAME@@perl(3) manpage.
1115 1255
1116=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1256=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1117 1257
1129(default: C<M-s>). 1269(default: C<M-s>).
1130 1270
1131=item B<urlLauncher>: I<string> 1271=item B<urlLauncher>: I<string>
1132 1272
1133Specifies the program to be started with a URL argument. Used by the 1273Specifies the program to be started with a URL argument. Used by the
1134C<selection-popup> and C<mark-urls> perl extensions. 1274C<selection-popup> and C<matcher> perl extensions.
1135 1275
1136=item B<transient-for>: I<windowid> 1276=item B<transient-for>: I<windowid>
1137 1277
1138Compile I<frills>: Sets the WM_TRANSIENT_FOR property to the given window id. 1278Compile I<frills>: Sets the WM_TRANSIENT_FOR property to the given window id.
1139 1279
1140=item B<override-redirect>: I<boolean> 1280=item B<override-redirect>: I<boolean>
1141 1281
1142Compile I<frills>: Sets override-redirect for the terminal window, making 1282Compile I<frills>: Sets override-redirect for the terminal window, making
1143it almost invisible to window managers; option B<-override-redirect>. 1283it almost invisible to window managers; option B<-override-redirect>.
1284
1285=item B<iso14755_52:> I<boolean>
1286
1287Turn on/off ISO 14755 5.2 mode (default enabled).
1144 1288
1145=back 1289=back
1146 1290
1147=head1 THE SCROLLBAR 1291=head1 THE SCROLLBAR
1148 1292
1167application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~> 1311application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
1168(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the 1312(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
1169up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down), 1313up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down),
1170respectively. 1314respectively.
1171 1315
1172=head1 TEXT SELECTION AND INSERTION 1316=head1 THE SELECTION: SELECTING AND PASTING TEXT
1173 1317
1174The behaviour of text selection and insertion mechanism is similar to 1318The behaviour of text selection and insertion/pasting mechanism is similar
1175I<xterm>(1). 1319to I<xterm>(1).
1176 1320
1177=over 4 1321=over 4
1178 1322
1179=item B<Selection>: 1323=item B<Selecting>:
1180 1324
1181Left click at the beginning of the region, drag to the end of the region 1325Left click at the beginning of the region, drag to the end of the region
1182and release; Right click to extend the marked region; Left double-click 1326and release; Right click to extend the marked region; Left double-click
1183to select a word; Left triple-click to select the entire logical line 1327to select a word; Left triple-click to select the entire logical line
1184(which can span multiple screen lines), unless modified by resource 1328(which can span multiple screen lines), unless modified by resource
1188(Compile: I<frills>) will create a rectangular selection instead of a 1332(Compile: I<frills>) will create a rectangular selection instead of a
1189normal one. In this mode, every selected row becomes its own line in the 1333normal one. In this mode, every selected row becomes its own line in the
1190selection, and trailing whitespace is visually underlined and removed from 1334selection, and trailing whitespace is visually underlined and removed from
1191the selection. 1335the selection.
1192 1336
1193=item B<Insertion>: 1337=item B<Pasting>:
1194 1338
1195Pressing and releasing the Middle mouse button (or B<Shift-Insert>) in 1339Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
1196an B<@@RXVT_NAME@@> window causes the current text selection to be 1340window causes the value of the PRIMARY selection (or CLIPBOARD with the
1197inserted as if it had been typed on the keyboard. 1341B<Meta> modifier) to be inserted as if it had been typed on the keyboard.
1342
1343Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
1344inserted too.
1198 1345
1199=back 1346=back
1200 1347
1201=head1 CHANGING FONTS 1348=head1 CHANGING FONTS
1202 1349
1216 1363
1217=head1 ISO 14755 SUPPORT 1364=head1 ISO 14755 SUPPORT
1218 1365
1219ISO 14755 is a standard for entering and viewing unicode characters 1366ISO 14755 is a standard for entering and viewing unicode characters
1220and character codes using the keyboard. It consists of 4 parts. The 1367and character codes using the keyboard. It consists of 4 parts. The
1221first part is available rxvt-unicode has been compiled with 1368first part is available if rxvt-unicode has been compiled with
1222C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1369C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1223with C<--enable-iso14755>. 1370with C<--enable-iso14755>.
1224 1371
1225=over 4 1372=over 4
1226 1373
1246This mode lets you input characters representing the keycap symbols of 1393This mode lets you input characters representing the keycap symbols of
1247your keyboard, if representable in the current locale encoding. 1394your keyboard, if representable in the current locale encoding.
1248 1395
1249Start by pressing C<Control> and C<Shift> together, then releasing 1396Start by pressing C<Control> and C<Shift> together, then releasing
1250them. The next special key (cursor keys, home etc.) you enter will not 1397them. The next special key (cursor keys, home etc.) you enter will not
1251invoke it's usual function but instead will insert the corresponding 1398invoke its usual function but instead will insert the corresponding
1252keycap symbol. The symbol will only be entered when the key has been 1399keycap symbol. The symbol will only be entered when the key has been
1253released, otherwise pressing e.g. C<Shift> would enter the symbol for 1400released, otherwise pressing e.g. C<Shift> would enter the symbol for
1254C<ISO Level 2 Switch>, although your intention might have been to enter a 1401C<ISO Level 2 Switch>, although your intention might have been to enter a
1255reverse tab (Shift-Tab). 1402reverse tab (Shift-Tab).
1256 1403
1289=head1 COLORS AND GRAPHICS 1436=head1 COLORS AND GRAPHICS
1290 1437
1291In addition to the default foreground and background colours, 1438In addition to the default foreground and background colours,
1292B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1439B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus
1293high-intensity bold/blink versions of the same). Here is a list of the 1440high-intensity bold/blink versions of the same). Here is a list of the
1294colours with their B<rgb.txt> names. 1441colours with their names.
1295 1442
1296=begin table 1443=begin table
1297 1444
1298 B<color0> (black) = Black 1445 B<color0> (black) = Black
1299 B<color1> (red) = Red3 1446 B<color1> (red) = Red3
1319It is also possible to specify the colour values of B<foreground>, 1466It is also possible to specify the colour values of B<foreground>,
1320B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1467B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1321a number 0-15, as a convenient shorthand to reference the colour name of 1468a number 0-15, as a convenient shorthand to reference the colour name of
1322color0-color15. 1469color0-color15.
1323 1470
1471In addition to the colours defined above, @@RXVT_NAME@@ offers an
1472additional 72 colours. The first 64 of those (with indices 16 to 79)
1473consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
147416>), followed by 8 additional shades of gray (with indices 80 to 87).
1475
1476Together, all those colours implement the 88 colour xterm colours. Only
1477the first 16 can be changed using resources currently, the rest can only
1478be changed via command sequences ("escape codes").
1479
1324Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1480Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1325always swapping the foreground/background colours. This is in contrast to 1481always swapping the foreground/background colours. This is in contrast to
1326I<xterm>(1) where the colours are only swapped if they have not otherwise 1482I<xterm>(1) where the colours are only swapped if they have not otherwise
1327been specified. For example, 1483been specified. For example,
1328 1484
1333would yield White on Black, while on I<xterm>(1) it would yield Black 1489would yield White on Black, while on I<xterm>(1) it would yield Black
1334on White. 1490on White.
1335 1491
1336=back 1492=back
1337 1493
1494=head2 ALPHA CHANNEL SUPPORT
1495
1496If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1497their act together, rxvt-unicode will do it's own alpha channel management:
1498
1499You can prefix any color with an opaquenes percentage enclosed in
1500brackets, i.e. C<[percent]>, where C<percent> is a decimal percentage
1501(0-100) that specifies the opacity of the color, where C<0> is completely
1502transparent and C<100> is completely opaque. For example, C<[50]red> is a
1503half-transparent red, while C<[95]#00ff00> is an almost opaque green. This
1504is the recommended format to specify transparency values, and works with
1505all ways to specify a colour.
1506
1507For complete control, rxvt-unicode also supports
1508C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
1509specifications, where the additional C<aaaa> component specifies opacity
1510(alpha) values. The minimum value of C<0000> is completely transparent,
1511while C<ffff> is completely opaque). The two example colours from
1512earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
1513C<rgba:0000/ff00/0000/f332>.
1514
1515You probably need to specify B<"-depth 32">, too, to force a visual with
1516alpha channels, and have the luck that your X-server uses ARGB pixel
1517layout, as X is far from just supporting ARGB visuals out of the box, and
1518rxvt-unicode just fudges around.
1519
1520For example, the following selects an almost completely transparent black
1521background, and an almost opaque pink foreground:
1522
1523 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"
1524
1525When not using a background image, then the interpretation of the
1526alpha channel is up to your compositing manager (most interpret it as
1527transparency of course).
1528
1529When using a background pixmap or pseudo-transparency, then the background
1530colour will always behave as if it were completely transparent (so the
1531background image shows instead), regardless of how it was specified, while
1532other colours will either be transparent as specified (the background
1533image will show through) on servers supporting the RENDER extension, or
1534fully opaque on servers not supporting the RENDER EXTENSION.
1535
1536Please note that due to bugs in Xft, specifying alpha values might result
1537in garbage being displayed when the X-server does not support the RENDER
1538extension.
1539
1338=head1 ENVIRONMENT 1540=head1 ENVIRONMENT
1339 1541
1340B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1542B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1341 1543
1342=over 4 1544=over 4
1343 1545
1344=item B<TERM> 1546=item B<TERM>
1345 1547
1346Normally set to C<rxvt-unicode>, unless overwritten at configure time, via 1548Normally set to C<rxvt-unicode>, unless overwritten at configure time, via
1347resources or on the commandline. 1549resources or on the command line.
1348 1550
1349=item B<COLORTERM> 1551=item B<COLORTERM>
1350 1552
1351Either C<rxvt>, C<rxvt-xpm>, depending on wether @@RXVT_NAME@@ was 1553Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1352compiled with XPM support, and optionally with the added extension 1554compiled with background image support, and optionally with the added
1353C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1555extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1556screen.
1354 1557
1355=item B<COLORFGBG> 1558=item B<COLORFGBG>
1356 1559
1357Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is 1560Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
1358the colour code used as default foreground/text colour (or the string 1561the colour code used as default foreground/text colour (or the string
1359C<default> to indicate that the default-colour escape sequence is to be 1562C<default> to indicate that the default-colour escape sequence is to be
1360used), C<bg> is the colour code used as default background colour (or the 1563used), C<bg> is the colour code used as default background colour (or the
1361string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@ 1564string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
1362was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1565was compiled with background image support. Libraries like C<ncurses>
1363(and do) use this information to optimize screen output. 1566and C<slang> can (and do) use this information to optimize screen output.
1364 1567
1365=item B<WINDOWID> 1568=item B<WINDOWID>
1366 1569
1367Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel 1570Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
1368window, which usually has subwindows for the scrollbar, the terminal 1571window, which usually has subwindows for the scrollbar, the terminal
1374C<--with-terminfo=PATH>. 1577C<--with-terminfo=PATH>.
1375 1578
1376=item B<DISPLAY> 1579=item B<DISPLAY>
1377 1580
1378Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1581Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1379display in it's child processes. 1582display in its child processes if C<-display> isn't used to override. It
1583defaults to C<:0> if it doesn't exist.
1380 1584
1381=item B<SHELL> 1585=item B<SHELL>
1382 1586
1383The shell to be used for command execution, defaults to C</bin/sh>. 1587The shell to be used for command execution, defaults to C</bin/sh>.
1384 1588
1426 1630
1427=item Project Coordinator 1631=item Project Coordinator
1428 1632
1429Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >> 1633Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
1430 1634
1431L<http://software.schmorp.de/#rxvt-unicode> 1635L<http://software.schmorp.de/pkg/rxvt-unicode.html>
1432 1636
1433=back 1637=back
1434 1638
1435=head1 AUTHORS 1639=head1 AUTHORS
1436 1640
1459Project Coordinator (changes.txt 2.21a to 2.4.5) 1663Project Coordinator (changes.txt 2.21a to 2.4.5)
1460 1664
1461=item Geoff Wing L<< <gcw@pobox.com> >> 1665=item Geoff Wing L<< <gcw@pobox.com> >>
1462 1666
1463Rewrote screen display and text selection routines. 1667Rewrote screen display and text selection routines.
1464 1668
1465Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1669Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1466 1670
1467=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1671=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1468 1672
1469Forked rxvt-unicode, unicode support, rewrote almost all the code, perl 1673Forked rxvt-unicode, unicode support, rewrote almost all the code, perl

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