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Revision 1.109 by root, Sun Jan 29 22:27:04 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.
97 100
98=item B<-depth> I<bitdepth> 101=item B<-depth> I<bitdepth>
99 102
100Compile I<xft>: Attempt to find a visual with the given bit depth; 103Compile I<xft>: Attempt to find a visual with the given bit depth;
101resource B<depth>. 104resource B<depth>.
102 105
106[Please note that many X servers (and libXft) are buggy with
107respect to C<-depth 32> and/or alpha channels, and will cause all sorts
108of graphical corruption. This is harmless, but we can't do anything about
109this, so watch out]
110
103=item B<-geometry> I<geom> 111=item B<-geometry> I<geom>
104 112
105Window geometry (B<-g> still respected); resource B<geometry>. 113Window geometry (B<-g> still respected); resource B<geometry>.
106 114
107=item B<-rv>|B<+rv> 115=item B<-rv>|B<+rv>
108 116
109Turn on/off simulated reverse video; resource B<reverseVideo>. 117Turn on/off simulated reverse video; resource B<reverseVideo>.
110 118
111=item B<-j>|B<+j> 119=item B<-j>|B<+j>
112 120
113Turn on/off jump scrolling; resource B<jumpScroll>. 121Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
114 122
115=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 123=item B<-ss>|B<+ss>
116 124
117Turn on/off inheriting parent window's pixmap. Alternative form is 125Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
118B<-tr>; resource B<inheritPixmap>. 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@@)!>
119 136
120=item B<-fade> I<number> 137=item B<-fade> I<number>
121 138
122Fade 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
123fade a little only, 100 completely replaces all colours by the fade 140fade a little only, 100 completely replaces all colours by the fade
124colour; resource B<fading>. 141colour; resource B<fading>.
125 142
126=item B<-fadecolor> I<colour> 143=item B<-fadecolor> I<colour>
127 144
128Fade 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
129is black. resource B<fadeColor>. 146is opaque black. resource B<fadeColor>.
130 147
131=item B<-tint> I<colour> 148=item B<-tint> I<colour>
132 149
133Tint the transparent background pixmap with the given colour when 150Tint the transparent background pixmap with the given colour when
134transparency is enabled with B<-tr> or B<-ip>. This only works for 151transparency is enabled with B<-tr>. This only works for
135non-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
136used 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
137I<tintColor>. Example: 158I<tintColor>. Example:
138 159
139 @@RXVT_NAME@@ -tr -tint blue -sh 40 160 @@RXVT_NAME@@ -tr -tint blue -sh 40
140 161
141=item B<-sh> 162=item B<-sh> I<number>
142 163
143I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent 164Darken (0 .. 100) or lighten (100 .. 200) the transparent
144background image in addition to tinting it (i.e. B<-tint> must be 165background image in addition to (or instead of) tinting it;
145specified, 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>.
146 192
147=item B<-bg> I<colour> 193=item B<-bg> I<colour>
148 194
149Window background colour; resource B<background>. 195Window background colour; resource B<background>.
150 196
151=item B<-fg> I<colour> 197=item B<-fg> I<colour>
152 198
153Window foreground colour; resource B<foreground>. 199Window foreground colour; resource B<foreground>.
154 200
155=item B<-pixmap> I<file[;geom]> 201=item B<-pixmap> I<file[;geom[:op1][:op2][...]]>
156 202
157Compile I<XPM>: Specify XPM file for the background and also optionally 203Compile I<afterimage>: Specify image file for the background and also
158specify its scaling with a geometry string. Note you may need to 204optionally specify its scaling with a geometry string. Note you may need to
159add quotes to avoid special shell interpretation of the C<;> in the 205add quotes to avoid special shell interpretation of the C<;> in the
160command-line; resource B<backgroundPixmap>. 206command-line; for more details see resource B<backgroundPixmap>.
161 207
162=item B<-cr> I<colour> 208=item B<-cr> I<colour>
163 209
164The cursor colour; resource B<cursorColor>. 210The cursor colour; resource B<cursorColor>.
165 211
182that 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
183first font defines the cell size for characters; other fonts might be 229first font defines the cell size for characters; other fonts might be
184smaller, but not (in general) larger. A (hopefully) reasonable default 230smaller, but not (in general) larger. A (hopefully) reasonable default
185font 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.
186 232
187In 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
188with 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:>,
189e.g.: 235e.g.:
190 236
191 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15" 237 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
192 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono" 238 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono"
210italic> >> characters are to be printed. See resource B<boldItalicFont> 256italic> >> characters are to be printed. See resource B<boldItalicFont>
211for details. 257for details.
212 258
213=item B<-is>|B<+is> 259=item B<-is>|B<+is>
214 260
215Compile I<font-styles>: Bold/Italic font styles imply high intensity 261Compile I<font-styles>: Bold/Blink font styles imply high intensity
216foreground/background (default). See resource B<intensityStyles> for 262foreground/background (default). See resource B<intensityStyles> for
217details. 263details.
218 264
219=item B<-name> I<name> 265=item B<-name> I<name>
220 266
238 284
239=item B<-sb>|B<+sb> 285=item B<-sb>|B<+sb>
240 286
241Turn on/off scrollbar; resource B<scrollBar>. 287Turn on/off scrollbar; resource B<scrollBar>.
242 288
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
243=item B<-si>|B<+si> 298=item B<-si>|B<+si>
244 299
245Turn on/off scroll-to-bottom on TTY output inhibit; resource 300Turn on/off scroll-to-bottom on TTY output inhibit; resource
246B<scrollTtyOutput> has opposite effect. 301B<scrollTtyOutput> has opposite effect.
247 302
253=item B<-sw>|B<+sw> 308=item B<-sw>|B<+sw>
254 309
255Turn on/off scrolling with the scrollback buffer as new lines appear. 310Turn on/off scrolling with the scrollback buffer as new lines appear.
256This only takes effect if B<-si> is also given; resource 311This only takes effect if B<-si> is also given; resource
257B<scrollWithBuffer>. 312B<scrollWithBuffer>.
258
259=item B<-sr>|B<+sr>
260
261Put scrollbar on right/left; resource B<scrollBar_right>.
262
263=item B<-st>|B<+st>
264
265Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
266resource B<scrollBar_floating>.
267 313
268=item B<-ptab>|B<+ptab> 314=item B<-ptab>|B<+ptab>
269 315
270If enabled (default), "Horizontal Tab" characters are being stored as 316If enabled (default), "Horizontal Tab" characters are being stored as
271actual wide characters in the screen buffer, which makes it possible to 317actual wide characters in the screen buffer, which makes it possible to
300 346
301=item B<-bl> 347=item B<-bl>
302 348
303Compile 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.
304if 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
305decorations; resource B<borderLess>. 351decorations; resource B<borderLess>. If the window manager does not
352support MWM hints (e.g. kwin), enables override-redirect mode.
306 353
307=item B<-override-redirect> 354=item B<-override-redirect>
308 355
309Compile I<frills>: Sets override-redirect on the window; resource 356Compile I<frills>: Sets override-redirect on the window; resource
310B<override-redirect>. 357B<override-redirect>.
318 365
319=item B<-lsp> I<number> 366=item B<-lsp> I<number>
320 367
321Compile I<frills>: Lines (pixel height) to insert between each row of 368Compile I<frills>: Lines (pixel height) to insert between each row of
322the display. Useful to work around font rendering problems; resource 369the display. Useful to work around font rendering problems; resource
323B<linespace>. 370B<lineSpace>.
324 371
325=item B<-tn> I<termname> 372=item B<-tn> I<termname>
326 373
327This 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
328B<TERM> environment variable. This terminal type must exist in the 375B<TERM> environment variable. This terminal type must exist in the
382for more info. 429for more info.
383 430
384=item B<-tcw> 431=item B<-tcw>
385 432
386Change 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
387button. 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
388end of the logical line only. resource B<tripleclickwords>. 436the end of the logical line only. resource B<tripleclickwords>.
389 437
390=item B<-insecure> 438=item B<-insecure>
391 439
392Enable "insecure" mode, which currently enables most of the escape 440Enable "insecure" mode, which currently enables most of the escape
393sequences that echo strings. See the resource B<insecure> for more 441sequences that echo strings. See the resource B<insecure> for more
414Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 462Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
415will not immediately destroy its window when the program executed within 463will not immediately destroy its window when the program executed within
416it 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
417user; resource B<hold>. 465user; resource B<hold>.
418 466
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
419=item B<-keysym.>I<sym> I<string> 486=item B<-keysym.>I<sym> I<string>
420 487
421Remap a key symbol. See resource B<keysym>. 488Remap a key symbol. See resource B<keysym>.
422 489
423=item B<-embed> I<windowid> 490=item B<-embed> I<windowid>
424 491
425Tells @@RXVT_NAME@@ to embed it's windows into an already-existing window, 492Tells @@RXVT_NAME@@ to embed its windows into an already-existing window,
426which enables applications to easily embed a terminal. 493which enables applications to easily embed a terminal.
427 494
428Right 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
429shouldn'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
430quite 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
433The window will not be destroyed when @@RXVT_NAME@@ exits. 500The window will not be destroyed when @@RXVT_NAME@@ exits.
434 501
435It 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
436descriptors 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
437can use file descriptors to communicate with the programs within the 504can use file descriptors to communicate with the programs within the
438terminal. 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
439not. 506not.
440 507
441Here 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
442used (a longer example is in F<doc/embed>): 509used (a longer example is in F<doc/embed>):
443 510
448 }); 515 });
449 516
450=item B<-pty-fd> I<file descriptor> 517=item B<-pty-fd> I<file descriptor>
451 518
452Tells @@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
453pair 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
454useful 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
455without having to run a program within it. 522without having to run a program within it.
456 523
457If 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
458entries 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
459yourself if you want that. 526yourself if you want that.
460 527
461As an extremely special case, specifying C<-1> will completely suppress 528As an extremely special case, specifying C<-1> will completely suppress
462pty/tty operations. 529pty/tty operations, which is probably only useful in conjunction with some
530perl extension that manages the terminal.
463 531
464Here 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
465longer example is in F<doc/pty-fd>): 533longer example is in F<doc/pty-fd>):
466 534
467 use IO::Pty; 535 use IO::Pty;
481Comma-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
482this terminal instance. See resource B<perl-ext> for details. 550this terminal instance. See resource B<perl-ext> for details.
483 551
484=back 552=back
485 553
486=head1 RESOURCES (available also as long-options) 554=head1 RESOURCES
487 555
488Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long 556Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
489options) compiled into your version. 557options) compiled into your version. All resources are also available as
558long-options.
490 559
491You 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
492distribution do also load settings from the B<~/.Xresources> file when X 561distribution do also load settings from the B<~/.Xresources> file when X
493starts. @@RXVT_NAME@@ will consult the following files/resources in order, 562starts. @@RXVT_NAME@@ will consult the following files/resources in order,
494with later settings overwriting earlier ones: 563with later settings overwriting earlier ones:
496 1. system-wide app-defaults file, either locale-dependent OR global 565 1. system-wide app-defaults file, either locale-dependent OR global
497 2. app-defaults file in $XAPPLRESDIR 566 2. app-defaults file in $XAPPLRESDIR
498 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults 567 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
499 4. SCREEN_RESOURCES for the current screen 568 4. SCREEN_RESOURCES for the current screen
500 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename> 569 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
570 6. resources specified via -xrm on the commandline
501 571
502Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class 572Note that when reading X resources, B<@@RXVT_NAME@@> recognizes two class
503names: 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
504common 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
505configured, while the class name B<URxvt> allows resources unique to 575configured, while the class name B<URxvt> allows resources unique to
515=item B<depth:> I<bitdepth> 585=item B<depth:> I<bitdepth>
516 586
517Compile I<xft>: Attempt to find a visual with the given bit depth; 587Compile I<xft>: Attempt to find a visual with the given bit depth;
518option B<-depth>. 588option B<-depth>.
519 589
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
520=item B<geometry:> I<geom> 597=item B<geometry:> I<geom>
521 598
522Create the window with the specified X window geometry [default 80x24]; 599Create the window with the specified X window geometry [default 80x24];
523option B<-geometry>. 600option B<-geometry>.
524 601
560Use the specified colour to display underlined characters when the 637Use the specified colour to display underlined characters when the
561foreground colour is the default. 638foreground colour is the default.
562 639
563=item B<colorRV:> I<colour> 640=item B<colorRV:> I<colour>
564 641
565Use the specified colour as the background for reverse video 642Use the specified colour as the background for reverse video characters
566characters. 643when OPTION_HC is disabled (--disable-frills).
567 644
568=item B<underlineColor:> I<colour> 645=item B<underlineColor:> I<colour>
569 646
570If set, use the specified colour as the colour for the underline 647If set, use the specified colour as the colour for the underline
571itself. If unset, use the foreground colour. 648itself. If unset, use the foreground colour.
587option B<-rv>. B<False>: regular screen colours [default]; option 664option B<-rv>. B<False>: regular screen colours [default]; option
588B<+rv>. See note in B<COLORS AND GRAPHICS> section. 665B<+rv>. See note in B<COLORS AND GRAPHICS> section.
589 666
590=item B<jumpScroll:> I<boolean> 667=item B<jumpScroll:> I<boolean>
591 668
592B<True>: specify that jump scrolling should be used. When scrolling 669B<True>: specify that jump scrolling should be used. When receiving lots
593quickly, 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
594B<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>.
595 676
596=item B<inheritPixmap:> I<boolean> 677=item B<skipScroll:> I<boolean>
597 678
598B<True>: make the background inherit the parent windows' pixmap, giving 679B<True>: (the default) specify that skip scrolling should be used. When
599artificial transparency. B<False>: do not inherit the parent windows' 680receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
600pixmap. 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@@)!>
601 698
602=item B<fading:> I<number> 699=item B<fading:> I<number>
603 700
604Fade 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>.
605 702
613Tint the transparent background pixmap with the given colour; option 710Tint the transparent background pixmap with the given colour; option
614B<-tint>. 711B<-tint>.
615 712
616=item B<shading:> I<number> 713=item B<shading:> I<number>
617 714
618Darken (0 .. 100) or lighten (-1 .. -100) the transparent background 715Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image
619image 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>.
620 730
621=item B<scrollColor:> I<colour> 731=item B<scrollColor:> I<colour>
622 732
623Use the specified colour for the scrollbar [default #B2B2B2]. 733Use the specified colour for the scrollbar [default #B2B2B2].
624 734
630=item B<borderColor:> I<colour> 740=item B<borderColor:> I<colour>
631 741
632The 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
633and the text. 743and the text.
634 744
635=item B<backgroundPixmap:> I<file[;geom]> 745=item B<backgroundPixmap:> I<file[;geom[:op1][:op2][...]]>
636 746
637Use the specified XPM file (note the `.xpm' extension is optional) for 747Use the specified image file for the background and also
638the background and also optionally specify its scaling with a geometry 748optionally specify its scaling with a geometry string B<WxH+X+Y>,
639string B<WxH+X+Y>, in which B<"W" / "H"> specify the 749(default C<0x0+50+50>) in which B<"W" / "H"> specify the
640horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image 750horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image
641centre (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
642of 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
643specifies an integer number of images in that direction. No image will 753an integer number of images in that direction. No image will be magnified
644be magnified beyond 10 times its original size. The maximum permitted 754beyond 10 times its original size. The maximum permitted scale is 1000.
645scale 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.
646 770
647=item B<path:> I<path> 771=item B<path:> I<path>
648 772
649Specify the colon-delimited search path for finding XPM files. 773Specify the colon-delimited search path for finding background image files.
650 774
651=item B<font:> I<fontlist> 775=item B<font:> I<fontlist>
652 776
653Select 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
654that 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
711text font will being used for the given style. 835text font will being used for the given style.
712 836
713=item B<intensityStyles:> I<boolean> 837=item B<intensityStyles:> I<boolean>
714 838
715When 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>,
716option B<-is>, the default), bold and italic font styles imply high 840option B<-is>, the default), bold/blink font styles imply high
717intensity foreground/backround colours. Disabling this option (B<False>, 841intensity foreground/background colours. Disabling this option (B<False>,
718option B<+is>) disables this behaviour, the high intensity colours are not 842option B<+is>) disables this behaviour, the high intensity colours are not
719reachable. 843reachable.
720
721=item B<selectstyle:> I<mode>
722
723Set mouse selection style to B<old> which is 2.20, B<oldword> which is
724xterm style with 2.20 old word selection, or anything else which gives
725xterm style selection.
726
727=item B<scrollstyle:> I<mode>
728
729Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
730the author's favourite.
731 844
732=item B<title:> I<string> 845=item B<title:> I<string>
733 846
734Set window title string, the default title is the command-line 847Set window title string, the default title is the command-line
735specified after the B<-e> option, if any, otherwise the application 848specified after the B<-e> option, if any, otherwise the application
744=item B<mapAlert:> I<boolean> 857=item B<mapAlert:> I<boolean>
745 858
746B<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
747de-iconify (map) on receipt of a bell character [default]. 860de-iconify (map) on receipt of a bell character [default].
748 861
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
749=item B<visualBell:> I<boolean> 869=item B<visualBell:> I<boolean>
750 870
751B<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>.
752B<False>: no visual bell [default]; option B<+vb>. 872B<False>: no visual bell [default]; option B<+vb>.
753 873
774Example: 894Example:
775 895
776 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 896 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
777 897
778This 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
779everytime 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.
780 905
781=item B<scrollBar:> I<boolean> 906=item B<scrollBar:> I<boolean>
782 907
783B<True>: enable the scrollbar [default]; option B<-sb>. B<False>: 908B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
784disable the scrollbar; option B<+sb>. 909disable the scrollbar; option B<+sb>.
806 931
807=item B<scrollWithBuffer:> I<boolean> 932=item B<scrollWithBuffer:> I<boolean>
808 933
809B<True>: scroll with scrollback buffer when tty receives new lines (and 934B<True>: scroll with scrollback buffer when tty receives new lines (and
810B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll 935B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll
811with scrollback buffer when tty recieves new lines; option B<+sw>. 936with scrollback buffer when tty receives new lines; option B<+sw>.
812 937
813=item B<scrollTtyKeypress:> I<boolean> 938=item B<scrollTtyKeypress:> I<boolean>
814 939
815B<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
816are those which are intercepted by rxvt-unicode for special handling and 941are those which are intercepted by rxvt-unicode for special handling and
847=item B<termName:> I<termname> 972=item B<termName:> I<termname>
848 973
849Specifies 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
850variable; option B<-tn>. 975variable; option B<-tn>.
851 976
852=item B<linespace:> I<number> 977=item B<lineSpace:> I<number>
853 978
854Specifies number of lines (pixel height) to insert between each row of 979Specifies number of lines (pixel height) to insert between each row of
855the display [default 0]; option B<-lsp>. 980the display [default 0]; option B<-lsp>.
856 981
857=item B<meta8:> I<boolean> 982=item B<meta8:> I<boolean>
909=item B<cutchars:> I<string> 1034=item B<cutchars:> I<string>
910 1035
911The characters used as delimiters for double-click word selection 1036The characters used as delimiters for double-click word selection
912(whitespace delimiting is added automatically if resource is given). 1037(whitespace delimiting is added automatically if resource is given).
913 1038
914When the selection extension is in use (the default if compiled in, see 1039When the perl selection extension is in use (the default if compiled
915the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these characters 1040in, see the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these
916will be created (if the resource exists, otherwise, no regex will be 1041characters will be created (if the resource exists, otherwise, no regex
917created). In this mode, characters outside ISO-8859-1 can be used. 1042will be created). In this mode, characters outside ISO-8859-1 can be used.
918 1043
919When the selection extension is not used, only ISO-8859-1 characters can 1044When the selection extension is not used, only ISO-8859-1 characters can
920be used. If not specified, the built-in default is used: 1045be used. If not specified, the built-in default is used:
921 1046
922B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 1047B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
923 1048
924=item B<preeditType:> I<style> 1049=item B<preeditType:> I<style>
925 1050
926B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>. 1051B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
927 1052
981 1106
982Turn on/off secondary screen (default enabled). 1107Turn on/off secondary screen (default enabled).
983 1108
984=item B<secondaryScroll:> I<boolean> 1109=item B<secondaryScroll:> I<boolean>
985 1110
986Turn on/off secondary screen scroll (default enabled). If the this 1111Turn on/off secondary screen scroll (default enabled). If this
987option is enabled, scrolls on the secondary screen will change the 1112option is enabled, scrolls on the secondary screen will change the
988scrollback buffer and switching to/from the secondary screen will 1113scrollback buffer and, when secondaryScreen is off, switching
989instead scroll the screen up. 1114to/from the secondary screen will instead scroll the screen up.
990 1115
991=item B<hold>: I<boolean> 1116=item B<hold>: I<boolean>
992 1117
993Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 1118Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
994will not immediately destroy its window when the program executed within 1119will not immediately destroy its window when the program executed within
995it 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
996user. 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>.
997 1129
998=item B<keysym.>I<sym>: I<string> 1130=item B<keysym.>I<sym>: I<string>
999 1131
1000Compile I<frills>: Associate I<string> with keysym I<sym>. The 1132Compile I<frills>: Associate I<string> with keysym I<sym>. The
1001intervening resource name B<keysym.> cannot be omitted. 1133intervening resource name B<keysym.> cannot be omitted.
1015searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and 1147searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
1016omitting 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
1017keysym 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
1018performed in an exact manner; however, the closest match is assured. 1150performed in an exact manner; however, the closest match is assured.
1019 1151
1020I<string> may contain escape values (C<\a>: bell, C<\b>: backspace, 1152I<string> may contain escape values (C<\n>: newline, C<\000>: octal
1021C<\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.
1022C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1023C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1024can start or end with whitespace.
1025
1026Please note that you need to double the C<\> in resource files, as
1027Xlib itself does it's own de-escaping (you can use C<\033> instead of
1028C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1029processing).
1030 1154
1031You 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>
1032with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/' 1156with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimiter `/'
1033should be a character not used by the strings. 1157should be a character not used by the strings.
1034 1158
1035Its usage can be demonstrated by an example: 1159Its usage can be demonstrated by an example:
1036 1160
1037 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|> 1161 URxvt.keysym.M-C-0x61: list|\033<M-C-|abc|>
1101example, C<default,-selection> will use all the default extension except 1225example, C<default,-selection> will use all the default extension except
1102C<selection>. 1226C<selection>.
1103 1227
1104Extension names can also be followed by an argument in angle brackets 1228Extension names can also be followed by an argument in angle brackets
1105(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
1106searchable scorllback to Alt/Meta-s). Mentioning the same extension 1230searchable scrollback to Alt/Meta-s). Mentioning the same extension
1107multiple times with different arguments will pass multiple arguments to 1231multiple times with different arguments will pass multiple arguments to
1108the extension. 1232the extension.
1109 1233
1110Each extension is looked up in the library directories, loaded if 1234Each extension is looked up in the library directories, loaded if
1111necessary, and bound to the current terminal instance. 1235necessary, and bound to the current terminal instance.
1116all instances, while B<perl-ext> is used for specific instances. 1240all instances, while B<perl-ext> is used for specific instances.
1117 1241
1118=item B<perl-eval>: I<string> 1242=item B<perl-eval>: I<string>
1119 1243
1120Perl code to be evaluated when all extensions have been registered. See 1244Perl code to be evaluated when all extensions have been registered. See
1121the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource 1245the @@RXVT_NAME@@perl(3) manpage.
1122will be ignored when running setuid/setgid.
1123 1246
1124=item B<perl-lib>: I<path> 1247=item B<perl-lib>: I<path>
1125 1248
1126Colon-separated list of additional directories that hold extension 1249Colon-separated list of additional directories that hold extension
1127scripts. When looking for extensions specified by the C<perl> resource, 1250scripts. When looking for extensions specified by the C<perl> resource,
1128@@RXVT_NAME@@ will first look in these directories and then in 1251@@RXVT_NAME@@ will first look in these directories and then in
1129F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1252F<@@RXVT_LIBDIR@@/urxvt/perl/>.
1130will be ignored when running setuid/setgid.
1131 1253
1132See the @@RXVT_NAME@@perl(3) manpage. 1254See the @@RXVT_NAME@@perl(3) manpage.
1133 1255
1134=item B<< selection.pattern-I<idx> >>: I<perl-regex> 1256=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1135 1257
1147(default: C<M-s>). 1269(default: C<M-s>).
1148 1270
1149=item B<urlLauncher>: I<string> 1271=item B<urlLauncher>: I<string>
1150 1272
1151Specifies 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
1152C<selection-popup> and C<mark-urls> perl extensions. 1274C<selection-popup> and C<matcher> perl extensions.
1153 1275
1154=item B<transient-for>: I<windowid> 1276=item B<transient-for>: I<windowid>
1155 1277
1156Compile 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.
1157 1279
1158=item B<override-redirect>: I<boolean> 1280=item B<override-redirect>: I<boolean>
1159 1281
1160Compile I<frills>: Sets override-redirect for the terminal window, making 1282Compile I<frills>: Sets override-redirect for the terminal window, making
1161it 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).
1162 1288
1163=back 1289=back
1164 1290
1165=head1 THE SCROLLBAR 1291=head1 THE SCROLLBAR
1166 1292
1185application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~> 1311application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
1186(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the 1312(Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
1187up 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),
1188respectively. 1314respectively.
1189 1315
1190=head1 TEXT SELECTION AND INSERTION 1316=head1 THE SELECTION: SELECTING AND PASTING TEXT
1191 1317
1192The behaviour of text selection and insertion mechanism is similar to 1318The behaviour of text selection and insertion/pasting mechanism is similar
1193I<xterm>(1). 1319to I<xterm>(1).
1194 1320
1195=over 4 1321=over 4
1196 1322
1197=item B<Selection>: 1323=item B<Selecting>:
1198 1324
1199Left 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
1200and release; Right click to extend the marked region; Left double-click 1326and release; Right click to extend the marked region; Left double-click
1201to 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
1202(which can span multiple screen lines), unless modified by resource 1328(which can span multiple screen lines), unless modified by resource
1206(Compile: I<frills>) will create a rectangular selection instead of a 1332(Compile: I<frills>) will create a rectangular selection instead of a
1207normal 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
1208selection, and trailing whitespace is visually underlined and removed from 1334selection, and trailing whitespace is visually underlined and removed from
1209the selection. 1335the selection.
1210 1336
1211=item B<Insertion>: 1337=item B<Pasting>:
1212 1338
1213Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@> 1339Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
1214window causes the value of the PRIMARY selection (or CLIPBOARD with the 1340window causes the value of the PRIMARY selection (or CLIPBOARD with the
1215Meta modifier) to be inserted as if it had been typed on the keyboard. 1341B<Meta> modifier) to be inserted as if it had been typed on the keyboard.
1216 1342
1217Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be 1343Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
1218inserted too. 1344inserted too.
1219 1345
1220=back 1346=back
1237 1363
1238=head1 ISO 14755 SUPPORT 1364=head1 ISO 14755 SUPPORT
1239 1365
1240ISO 14755 is a standard for entering and viewing unicode characters 1366ISO 14755 is a standard for entering and viewing unicode characters
1241and character codes using the keyboard. It consists of 4 parts. The 1367and character codes using the keyboard. It consists of 4 parts. The
1242first part is available rxvt-unicode has been compiled with 1368first part is available if rxvt-unicode has been compiled with
1243C<--enable-frills>, the rest is available when rxvt-unicode was compiled 1369C<--enable-frills>, the rest is available when rxvt-unicode was compiled
1244with C<--enable-iso14755>. 1370with C<--enable-iso14755>.
1245 1371
1246=over 4 1372=over 4
1247 1373
1267This mode lets you input characters representing the keycap symbols of 1393This mode lets you input characters representing the keycap symbols of
1268your keyboard, if representable in the current locale encoding. 1394your keyboard, if representable in the current locale encoding.
1269 1395
1270Start by pressing C<Control> and C<Shift> together, then releasing 1396Start by pressing C<Control> and C<Shift> together, then releasing
1271them. 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
1272invoke it's usual function but instead will insert the corresponding 1398invoke its usual function but instead will insert the corresponding
1273keycap 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
1274released, otherwise pressing e.g. C<Shift> would enter the symbol for 1400released, otherwise pressing e.g. C<Shift> would enter the symbol for
1275C<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
1276reverse tab (Shift-Tab). 1402reverse tab (Shift-Tab).
1277 1403
1340It is also possible to specify the colour values of B<foreground>, 1466It is also possible to specify the colour values of B<foreground>,
1341B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1467B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1342a 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
1343color0-color15. 1469color0-color15.
1344 1470
1345If Xft support has been compiled in and as long as Xft/Xrender/X don't get 1471In addition to the colours defined above, @@RXVT_NAME@@ offers an
1346their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa> 1472additional 72 colours. The first 64 of those (with indices 16 to 79)
1347(recommended, but B<MUST> have 4 digits/component), C<#ARGB>, C<#AARRGGBB> 1473consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
1348and C<#AAAARRRRGGGGBBBB> colour specifications, in addition to the ones 147416>), followed by 8 additional shades of gray (with indices 80 to 87).
1349provided by X, where the additional A component specifies alpha (opacity) 1475
1350values (0 is completely transparent and the maximum is opaque). You 1476Together, all those colours implement the 88 colour xterm colours. Only
1351probably need to specify B<"-depth 32">, too, and have the luck that your 1477the first 16 can be changed using resources currently, the rest can only
1352X-server uses ARGB pixel layout, as X is far from just supporting ARGB 1478be changed via command sequences ("escape codes").
1353visuals out of the box, and rxvt-unicode just fudges around.
1354 1479
1355Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1480Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1356always swapping the foreground/background colours. This is in contrast to 1481always swapping the foreground/background colours. This is in contrast to
1357I<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
1358been specified. For example, 1483been specified. For example,
1364would 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
1365on White. 1490on White.
1366 1491
1367=back 1492=back
1368 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
1369=head1 ENVIRONMENT 1540=head1 ENVIRONMENT
1370 1541
1371B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1542B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1372 1543
1373=over 4 1544=over 4
1374 1545
1375=item B<TERM> 1546=item B<TERM>
1376 1547
1377Normally set to C<rxvt-unicode>, unless overwritten at configure time, via 1548Normally set to C<rxvt-unicode>, unless overwritten at configure time, via
1378resources or on the commandline. 1549resources or on the command line.
1379 1550
1380=item B<COLORTERM> 1551=item B<COLORTERM>
1381 1552
1382Either C<rxvt>, C<rxvt-xpm>, depending on wether @@RXVT_NAME@@ was 1553Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
1383compiled with XPM support, and optionally with the added extension 1554compiled with background image support, and optionally with the added
1384C<-mono> to indicate that rxvt-unicode runs on a monochrome screen. 1555extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
1556screen.
1385 1557
1386=item B<COLORFGBG> 1558=item B<COLORFGBG>
1387 1559
1388Set 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
1389the colour code used as default foreground/text colour (or the string 1561the colour code used as default foreground/text colour (or the string
1390C<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
1391used), 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
1392string 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@@
1393was compiled with XPM support. Libraries like C<ncurses> and C<slang> can 1565was compiled with background image support. Libraries like C<ncurses>
1394(and do) use this information to optimize screen output. 1566and C<slang> can (and do) use this information to optimize screen output.
1395 1567
1396=item B<WINDOWID> 1568=item B<WINDOWID>
1397 1569
1398Set 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
1399window, which usually has subwindows for the scrollbar, the terminal 1571window, which usually has subwindows for the scrollbar, the terminal
1405C<--with-terminfo=PATH>. 1577C<--with-terminfo=PATH>.
1406 1578
1407=item B<DISPLAY> 1579=item B<DISPLAY>
1408 1580
1409Used 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
1410display 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.
1411 1584
1412=item B<SHELL> 1585=item B<SHELL>
1413 1586
1414The 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>.
1415 1588
1457 1630
1458=item Project Coordinator 1631=item Project Coordinator
1459 1632
1460Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >> 1633Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
1461 1634
1462L<http://software.schmorp.de/#rxvt-unicode> 1635L<http://software.schmorp.de/pkg/rxvt-unicode.html>
1463 1636
1464=back 1637=back
1465 1638
1466=head1 AUTHORS 1639=head1 AUTHORS
1467 1640
1490Project Coordinator (changes.txt 2.21a to 2.4.5) 1663Project Coordinator (changes.txt 2.21a to 2.4.5)
1491 1664
1492=item Geoff Wing L<< <gcw@pobox.com> >> 1665=item Geoff Wing L<< <gcw@pobox.com> >>
1493 1666
1494Rewrote screen display and text selection routines. 1667Rewrote screen display and text selection routines.
1495 1668
1496Project Coordinator (changes.txt 2.4.6 - rxvt-unicode) 1669Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1497 1670
1498=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1671=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1499 1672
1500Forked 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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