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Revision 1.93 by root, Wed Jan 11 23:08:54 2006 UTC vs.
Revision 1.115 by root, Mon Jul 10 04:01:33 2006 UTC

28world. Being a terminal emulator, however, some things are very difficult, 28world. Being a terminal emulator, however, some things are very difficult,
29especially cursive scripts such as arabic, vertically written scripts 29especially cursive scripts such as arabic, vertically written scripts
30like mongolian or scripts requiring extremely complex combining rules, 30like mongolian or scripts requiring extremely complex combining rules,
31like tibetan or devenagari. Don't expect pretty output when using these 31like tibetan or devenagari. Don't expect pretty output when using these
32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work 32scripts. Most other scripts, latin, cyrillic, kanji, thai etc. should work
33fine, though. A somewhat difficult case are left-to-right scripts, such 33fine, though. A somewhat difficult case are right-to-left scripts, such
34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms 34as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
35belong into the application, not the terminal emulator (too many things -- 35belong into the application, not the terminal emulator (too many things --
36such as cursor-movement while editing -- break otherwise), but that might 36such as cursor-movement while editing -- break otherwise), but that might
37change. 37change.
38 38
42because the author couldn't get C<mlterm> to use one font for latin1 and 42because the author couldn't get C<mlterm> to use one font for latin1 and
43another for japanese. 43another for japanese.
44 44
45Therefore another design rationale was the use of multiple fonts to 45Therefore another design rationale was the use of multiple fonts to
46display characters: The idea of a single unicode font which many other 46display 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 47programs force onto its users never made sense to me: You should be able
48to choose any font for any script freely. 48to choose any font for any script freely.
49 49
50Apart from that, rxvt-unicode is also much better internationalised than 50Apart from that, rxvt-unicode is also much better internationalised than
51it's predecessor, supports things such as XFT and ISO 14755 that are handy 51its 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 52in i18n-environments, is faster, and has a lot less bugs than the original
53rxvt. This all in addition to dozens of other small improvements. 53rxvt. This all in addition to dozens of other small improvements.
54 54
55It is still faithfully following the original rxvt idea of being lean 55It is still faithfully following the original rxvt idea of being lean
56and nice on resources: for example, you can still configure rxvt-unicode 56and 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 57without 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 58a client/daemon pair that lets you open any number of terminal windows
59from within a single process, which makes startup time very fast and 59from within a single process, which makes startup time very fast and
60drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and 60drastically reduces memory usage. See @@RXVT_NAME@@d(1) (daemon) and
61@@RXVT_NAME@@c(1) (client). 61@@RXVT_NAME@@c(1) (client).
62 62
93 93
94Attempt to open a window on the named X display (B<-d> still 94Attempt to open a window on the named X display (B<-d> still
95respected). In the absence of this option, the display specified by the 95respected). In the absence of this option, the display specified by the
96B<DISPLAY> environment variable is used. 96B<DISPLAY> environment variable is used.
97 97
98=item B<-depth> I<bitdepth>
99
100Compile I<xft>: Attempt to find a visual with the given bit depth;
101resource B<depth>.
102
98=item B<-geometry> I<geom> 103=item B<-geometry> I<geom>
99 104
100Window geometry (B<-g> still respected); resource B<geometry>. 105Window geometry (B<-g> still respected); resource B<geometry>.
101 106
102=item B<-rv>|B<+rv> 107=item B<-rv>|B<+rv>
109 114
110=item B<-ip>|B<+ip> | B<-tr>|B<+tr> 115=item B<-ip>|B<+ip> | B<-tr>|B<+tr>
111 116
112Turn on/off inheriting parent window's pixmap. Alternative form is 117Turn on/off inheriting parent window's pixmap. Alternative form is
113B<-tr>; resource B<inheritPixmap>. 118B<-tr>; resource B<inheritPixmap>.
119
120I<Please note that transparency of any kind if completely unsupported by
121the author. Don't bug him with installation questions!>
114 122
115=item B<-fade> I<number> 123=item B<-fade> I<number>
116 124
117Fade the text by the given percentage when focus is lost. Small values 125Fade the text by the given percentage when focus is lost. Small values
118fade a little only, 100 completely replaces all colours by the fade 126fade a little only, 100 completely replaces all colours by the fade
119colour; resource B<fading>. 127colour; resource B<fading>.
120 128
121=item B<-fadecolor> I<colour> 129=item B<-fadecolor> I<colour>
122 130
123Fade to this colour when fading is used (see B<-fade>). The default colour 131Fade to this colour when fading is used (see B<-fade>). The default colour
124is black. resource B<fadeColor>. 132is opaque black. resource B<fadeColor>.
125 133
126=item B<-tint> I<colour> 134=item B<-tint> I<colour>
127 135
128Tint the transparent background pixmap with the given colour when 136Tint the transparent background pixmap with the given colour when
129transparency is enabled with B<-tr> or B<-ip>. This only works for 137transparency is enabled with B<-tr> or B<-ip>. This only works for
172resource B<borderColor>. 180resource B<borderColor>.
173 181
174=item B<-fn> I<fontlist> 182=item B<-fn> I<fontlist>
175 183
176Select the fonts to be used. This is a comma separated list of font names 184Select the fonts to be used. This is a comma separated list of font names
177that are used in turn when trying to display Unicode characters. The 185that are checked in order when trying to find glyphs for characters. The
178first font defines the cell size for characters; other fonts might be 186first font defines the cell size for characters; other fonts might be
179smaller, but not (in general) larger. A (hopefully) reasonable default 187smaller, but not (in general) larger. A (hopefully) reasonable default
180font list is always appended to it. See resource B<font> for more details. 188font list is always appended to it. See resource B<font> for more details.
181 189
182In short, to specify an X11 core font, just specify it's name or prefix it 190In 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:>, 191with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>,
184e.g.: 192e.g.:
185 193
186 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15" 194 @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
187 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono" 195 @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono"
296=item B<-bl> 304=item B<-bl>
297 305
298Compile I<frills>: Set MWM hints to request a borderless window, i.e. 306Compile 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 307if honoured by the WM, the rxvt-unicode window will not have window
300decorations; resource B<borderLess>. 308decorations; resource B<borderLess>.
309
310=item B<-override-redirect>
311
312Compile I<frills>: Sets override-redirect on the window; resource
313B<override-redirect>.
301 314
302=item B<-sbg> 315=item B<-sbg>
303 316
304Compile I<frills>: Disable the usage of the built-in block graphics/line 317Compile I<frills>: Disable the usage of the built-in block graphics/line
305drawing characters and just rely on what the specified fonts provide. Use 318drawing characters and just rely on what the specified fonts provide. Use
410 423
411Remap a key symbol. See resource B<keysym>. 424Remap a key symbol. See resource B<keysym>.
412 425
413=item B<-embed> I<windowid> 426=item B<-embed> I<windowid>
414 427
415Tells @@RXVT_NAME@@ to embed it's windows into an already-existing window, 428Tells @@RXVT_NAME@@ to embed its windows into an already-existing window,
416which enables applications to easily embed a terminal. 429which enables applications to easily embed a terminal.
417 430
418Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it 431Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it
419shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it 432shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it
420quite a bit, so don't expect it to keep some specific state. It's best to 433quite a bit, so don't expect it to keep some specific state. It's best to
500check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl 513check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl
501extensions not documented here): 514extensions not documented here):
502 515
503=over 4 516=over 4
504 517
518=item B<depth:> I<bitdepth>
519
520Compile I<xft>: Attempt to find a visual with the given bit depth;
521option B<-depth>.
522
505=item B<geometry:> I<geom> 523=item B<geometry:> I<geom>
506 524
507Create the window with the specified X window geometry [default 80x24]; 525Create the window with the specified X window geometry [default 80x24];
508option B<-geometry>. 526option B<-geometry>.
509 527
581=item B<inheritPixmap:> I<boolean> 599=item B<inheritPixmap:> I<boolean>
582 600
583B<True>: make the background inherit the parent windows' pixmap, giving 601B<True>: make the background inherit the parent windows' pixmap, giving
584artificial transparency. B<False>: do not inherit the parent windows' 602artificial transparency. B<False>: do not inherit the parent windows'
585pixmap. 603pixmap.
604
605I<Please note that transparency of any kind if completely unsupported by
606the author. Don't bug him with installation questions!>
586 607
587=item B<fading:> I<number> 608=item B<fading:> I<number>
588 609
589Fade the text by the given percentage when focus is lost; option B<-fade>. 610Fade the text by the given percentage when focus is lost; option B<-fade>.
590 611
627of 1 displays the image without any scaling. A scale of 2 to 9 648of 1 displays the image without any scaling. A scale of 2 to 9
628specifies an integer number of images in that direction. No image will 649specifies an integer number of images in that direction. No image will
629be magnified beyond 10 times its original size. The maximum permitted 650be magnified beyond 10 times its original size. The maximum permitted
630scale is 1000. [default 0x0+50+50] 651scale is 1000. [default 0x0+50+50]
631 652
632=item B<menu:> I<file[;tag]>
633
634Read in the specified menu file (note the `.menu' extension is
635optional) and also optionally specify a starting tag to find. See the
636reference documentation for details on the syntax for the menuBar.
637
638=item B<path:> I<path> 653=item B<path:> I<path>
639 654
640Specify the colon-delimited search path for finding files (XPM and 655Specify the colon-delimited search path for finding XPM files.
641menus), in addition to the paths specified by the B<RXVTPATH> and
642B<PATH> environment variables.
643 656
644=item B<font:> I<fontlist> 657=item B<font:> I<fontlist>
645 658
646Select the fonts to be used. This is a comma separated list of font 659Select the fonts to be used. This is a comma separated list of font names
647names that are used in turn when trying to display Unicode characters. 660that are checked in order when trying to find glyphs for characters. The
648The first font defines the cell size for characters; other fonts might 661first font defines the cell size for characters; other fonts might be
649be smaller, but not larger. A reasonable default font list is always 662smaller, but not (in general) larger. A (hopefully) reasonable default
650appended to it; option B<-fn>. 663font list is always appended to it; option B<-fn>.
651 664
652Each font can either be a standard X11 core font (XLFD) name, with 665Each font can either be a standard X11 core font (XLFD) name, with
653optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>. 666optional prefix C<x:> or a Xft font (Compile I<xft>), prefixed with C<xft:>.
654 667
655In addition, each font can be prefixed with additional hints and 668In addition, each font can be prefixed with additional hints and
657hint currently is C<codeset=codeset-name>, and this is only used for Xft 670hint currently is C<codeset=codeset-name>, and this is only used for Xft
658fonts. 671fonts.
659 672
660For example, this font resource 673For example, this font resource
661 674
662 URxvt*font: 9x15bold,\ 675 URxvt.font: 9x15bold,\
663 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\ 676 -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\
664 -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \ 677 -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \
665 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \ 678 [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \
666 xft:Code2000:antialias=false 679 xft:Code2000:antialias=false
667 680
764 777
765The string will be interpreted as if typed into the shell as-is. 778The string will be interpreted as if typed into the shell as-is.
766 779
767Example: 780Example:
768 781
769 URxvt*print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX) 782 URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
770 783
771This creates a new file in your home directory with the screen contents 784This creates a new file in your home directory with the screen contents
772everytime you hit C<Print>. 785everytime you hit C<Print>.
773 786
774=item B<scrollBar:> I<boolean> 787=item B<scrollBar:> I<boolean>
899pressed. If unset it will send the sequence traditionally associated 912pressed. If unset it will send the sequence traditionally associated
900with the B<Execute> key. 913with the B<Execute> key.
901 914
902=item B<cutchars:> I<string> 915=item B<cutchars:> I<string>
903 916
904The characters used as delimiters for double-click word selection. The 917The characters used as delimiters for double-click word selection
905built-in default: 918(whitespace delimiting is added automatically if resource is given).
919
920When the selection extension is in use (the default if compiled in, see
921the @@RXVT_NAME@@perl(3) manpage), a suitable regex using these characters
922will be created (if the resource exists, otherwise, no regex will be
923created). In this mode, characters outside ISO-8859-1 can be used.
924
925When the selection extension is not used, only ISO-8859-1 characters can
926be used. If not specified, the built-in default is used:
906 927
907B<< BACKSLASH `"'&()*,;<=>?@[]{|} >> 928B<< BACKSLASH `"'&()*,;<=>?@[]{|} >>
908 929
909=item B<preeditType:> I<style> 930=item B<preeditType:> I<style>
910 931
946default. (Note that many other terminals, including xterm, have these 967default. (Note that many other terminals, including xterm, have these
947sequences enabled by default, which doesn't make it safer, though). 968sequences enabled by default, which doesn't make it safer, though).
948 969
949You can enable them by setting this boolean resource or specifying 970You can enable them by setting this boolean resource or specifying
950B<-insecure> as an option. At the moment, this enables display-answer, 971B<-insecure> as an option. At the moment, this enables display-answer,
951locale, findfont, icon label and window title requests as well as dynamic 972locale, findfont, icon label and window title requests.
952menubar dispatch.
953 973
954=item B<modifier:> I<modifier> 974=item B<modifier:> I<modifier>
955 975
956Set the key to be interpreted as the Meta key to: B<alt>, B<meta>, 976Set the key to be interpreted as the Meta key to: B<alt>, B<meta>,
957B<hyper>, B<super>, B<mod1>, B<mod2>, B<mod3>, B<mod4>, B<mod5>; option 977B<hyper>, B<super>, B<mod1>, B<mod2>, B<mod3>, B<mod4>, B<mod5>; option
961 981
962Specify the reply rxvt-unicode sends to the shell when an ENQ (control-E) 982Specify the reply rxvt-unicode sends to the shell when an ENQ (control-E)
963character is passed through. It may contain escape values as described 983character is passed through. It may contain escape values as described
964in the entry on B<keysym> following. 984in the entry on B<keysym> following.
965 985
966=item B<secondaryScreen:> I<bool> 986=item B<secondaryScreen:> I<boolean>
967 987
968Turn on/off secondary screen (default enabled). 988Turn on/off secondary screen (default enabled).
969 989
970=item B<secondaryScroll:> I<bool> 990=item B<secondaryScroll:> I<boolean>
971 991
972Turn on/off secondary screen scroll (default enabled). If the this 992Turn on/off secondary screen scroll (default enabled). If the this
973option is enabled, scrolls on the secondary screen will change the 993option is enabled, scrolls on the secondary screen will change the
974scrollback buffer and switching to/from the secondary screen will 994scrollback buffer and switching to/from the secondary screen will
975instead scroll the screen up. 995instead scroll the screen up.
976 996
977=item B<hold>: I<bool> 997=item B<hold>: I<boolean>
978 998
979Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@ 999Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
980will not immediately destroy its window when the program executed within 1000will not immediately destroy its window when the program executed within
981it exits. Instead, it will wait till it is being killed or closed by the 1001it exits. Instead, it will wait till it is being killed or closed by the
982user. 1002user.
1008C<\000>: octal number) or verbatim control characters (C<^?>: delete, 1028C<\000>: octal number) or verbatim control characters (C<^?>: delete,
1009C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it 1029C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
1010can start or end with whitespace. 1030can start or end with whitespace.
1011 1031
1012Please note that you need to double the C<\> in resource files, as 1032Please note that you need to double the C<\> in resource files, as
1013Xlib itself does it's own de-escaping (you can use C<\033> instead of 1033Xlib itself does its own de-escaping (you can use C<\033> instead of
1014C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own 1034C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
1015processing). 1035processing).
1016 1036
1017You can define a range of keysyms in one shot by providing a I<string> 1037You can define a range of keysyms in one shot by providing a I<string>
1018with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/' 1038with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/'
1115F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource 1135F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource
1116will be ignored when running setuid/setgid. 1136will be ignored when running setuid/setgid.
1117 1137
1118See the @@RXVT_NAME@@perl(3) manpage. 1138See the @@RXVT_NAME@@perl(3) manpage.
1119 1139
1140=item B<< selection.pattern-I<idx> >>: I<perl-regex>
1141
1142Additional selection patterns, see the @@RXVT_NAME@@perl(3) manpage for
1143details.
1144
1145=item B<< selection-autotransform.I<idx> >>: I<perl-transform>
1146
1147Selection auto-transform patterns, see the @@RXVT_NAME@@perl(3) manpage
1148for details.
1149
1150=item B<searchable-scrollback:> I<keysym>
1151
1152Sets the hotkey that starts the incremental scrollback buffer search
1153(default: C<M-s>).
1154
1120=item B<urlLauncher>: I<string> 1155=item B<urlLauncher>: I<string>
1121 1156
1122Specifies the program to be started with a URL argument. Used by the 1157Specifies the program to be started with a URL argument. Used by the
1123C<selection-popup> and C<mark-urls> perl extensions. 1158C<selection-popup> and C<mark-urls> perl extensions.
1124 1159
1125=item B<transient-for>: I<windowid> 1160=item B<transient-for>: I<windowid>
1126 1161
1127Sets the WM_TRANSIENT_FOR property to the given window iw. 1162Compile I<frills>: Sets the WM_TRANSIENT_FOR property to the given window id.
1163
1164=item B<override-redirect>: I<boolean>
1165
1166Compile I<frills>: Sets override-redirect for the terminal window, making
1167it almost invisible to window managers; option B<-override-redirect>.
1128 1168
1129=back 1169=back
1130 1170
1131=head1 THE SCROLLBAR 1171=head1 THE SCROLLBAR
1132 1172
1174selection, and trailing whitespace is visually underlined and removed from 1214selection, and trailing whitespace is visually underlined and removed from
1175the selection. 1215the selection.
1176 1216
1177=item B<Insertion>: 1217=item B<Insertion>:
1178 1218
1179Pressing and releasing the Middle mouse button (or B<Shift-Insert>) in 1219Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
1180an B<@@RXVT_NAME@@> window causes the current text selection to be 1220window causes the value of the PRIMARY selection (or CLIPBOARD with the
1181inserted as if it had been typed on the keyboard. 1221Meta modifier) to be inserted as if it had been typed on the keyboard.
1222
1223Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
1224inserted too.
1182 1225
1183=back 1226=back
1184 1227
1185=head1 CHANGING FONTS 1228=head1 CHANGING FONTS
1186 1229
1187Changing fonts (or font sizes, respectively) via the keypad is not yet 1230Changing fonts (or font sizes, respectively) via the keypad is not yet
1188supported in rxvt-unicode. Bug me if you need this. 1231supported in rxvt-unicode. Bug me if you need this.
1189 1232
1190You can, however, switch fonts at runtime using escape sequences (and 1233You can, however, switch fonts at runtime using escape sequences, e.g.:
1191therefore using the menubar), e.g.:
1192 1234
1193 printf '\e]710;%s\007' "9x15bold,xft:Kochi Gothic" 1235 printf '\e]710;%s\007' "9x15bold,xft:Kochi Gothic"
1236
1237You can use keyboard shortcuts, too:
1238
1239 URxvt.keysym.M-C-1: command:\033]710;suxuseuro\007\033]711;suxuseuro\007
1240 URxvt.keysym.M-C-2: command:\033]710;9x15bold\007\033]711;9x15bold\007
1194 1241
1195rxvt-unicode will automatically re-apply these fonts to the output so far. 1242rxvt-unicode will automatically re-apply these fonts to the output so far.
1196 1243
1197=head1 ISO 14755 SUPPORT 1244=head1 ISO 14755 SUPPORT
1198 1245
1226This mode lets you input characters representing the keycap symbols of 1273This mode lets you input characters representing the keycap symbols of
1227your keyboard, if representable in the current locale encoding. 1274your keyboard, if representable in the current locale encoding.
1228 1275
1229Start by pressing C<Control> and C<Shift> together, then releasing 1276Start by pressing C<Control> and C<Shift> together, then releasing
1230them. The next special key (cursor keys, home etc.) you enter will not 1277them. The next special key (cursor keys, home etc.) you enter will not
1231invoke it's usual function but instead will insert the corresponding 1278invoke its usual function but instead will insert the corresponding
1232keycap symbol. The symbol will only be entered when the key has been 1279keycap symbol. The symbol will only be entered when the key has been
1233released, otherwise pressing e.g. C<Shift> would enter the symbol for 1280released, otherwise pressing e.g. C<Shift> would enter the symbol for
1234C<ISO Level 2 Switch>, although your intention might have been to enter a 1281C<ISO Level 2 Switch>, although your intention might have been to enter a
1235reverse tab (Shift-Tab). 1282reverse tab (Shift-Tab).
1236 1283
1269=head1 COLORS AND GRAPHICS 1316=head1 COLORS AND GRAPHICS
1270 1317
1271In addition to the default foreground and background colours, 1318In addition to the default foreground and background colours,
1272B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus 1319B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus
1273high-intensity bold/blink versions of the same). Here is a list of the 1320high-intensity bold/blink versions of the same). Here is a list of the
1274colours with their B<rgb.txt> names. 1321colours with their names.
1275 1322
1276=begin table 1323=begin table
1277 1324
1278 B<color0> (black) = Black 1325 B<color0> (black) = Black
1279 B<color1> (red) = Red3 1326 B<color1> (red) = Red3
1299It is also possible to specify the colour values of B<foreground>, 1346It is also possible to specify the colour values of B<foreground>,
1300B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as 1347B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<colorUL> as
1301a number 0-15, as a convenient shorthand to reference the colour name of 1348a number 0-15, as a convenient shorthand to reference the colour name of
1302color0-color15. 1349color0-color15.
1303 1350
1351In addition to the colours defined above, @@RXVT_NAME@@ offers an
1352additional 72 colours. The first 64 of those (with indices 16 to 79)
1353consist of a 4*4*4 RGB colour cube (i.e. I<index = r * 16 + g * 4 + b +
135416>), followed by 8 additional shades of gray (with indices 80 to 87).
1355
1356Together, all those colours implement the 88 colour xterm colours. Only
1357the first 16 can be changed using resources currently, the rest can only
1358be changed via command sequences ("escape codes").
1359
1304Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by 1360Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by
1305always swapping the foreground/background colours. This is in contrast to 1361always swapping the foreground/background colours. This is in contrast to
1306I<xterm>(1) where the colours are only swapped if they have not otherwise 1362I<xterm>(1) where the colours are only swapped if they have not otherwise
1307been specified. For example, 1363been specified. For example,
1308 1364
1312 1368
1313would yield White on Black, while on I<xterm>(1) it would yield Black 1369would yield White on Black, while on I<xterm>(1) it would yield Black
1314on White. 1370on White.
1315 1371
1316=back 1372=back
1373
1374=head2 ALPHA CHANNEL SUPPORT
1375
1376If Xft support has been compiled in and as long as Xft/Xrender/X don't get
1377their act together, rxvt-unicode will support C<rgba:rrrr/gggg/bbbb/aaaa>
1378(recommended, but B<MUST> have 4 digits/component) colour specifications,
1379in addition to the ones provided by X, where the additional A component
1380specifies opacity (alpha) values. The minimum value of C<0> is completely
1381transparent). You can also prefix any color with C<[a]>, where C<a> is on
1382to four hex digits specifiying the opacity value.
1383
1384You probably need to specify B<"-depth 32">, too, and have the luck that
1385your X-server uses ARGB pixel layout, as X is far from just supporting
1386ARGB visuals out of the box, and rxvt-unicode just fudges around.
1387
1388For example, the following selects an almost completely transparent red
1389background, and an almost opaque pink foreground:
1390
1391 @@RXVT_NAME@@ -depth 32 -bg rgba:0000/0000/0000/2222 -fg "[e]pink"
1392
1393I<Please note that transparency of any kind if completely unsupported by
1394the author. Don't bug him with installation questions!>
1317 1395
1318=head1 ENVIRONMENT 1396=head1 ENVIRONMENT
1319 1397
1320B<@@RXVT_NAME@@> sets and/or uses the following environment variables: 1398B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
1321 1399
1354C<--with-terminfo=PATH>. 1432C<--with-terminfo=PATH>.
1355 1433
1356=item B<DISPLAY> 1434=item B<DISPLAY>
1357 1435
1358Used by @@RXVT_NAME@@ to connect to the display and set to the correct 1436Used by @@RXVT_NAME@@ to connect to the display and set to the correct
1359display in it's child processes. 1437display in its child processes.
1360 1438
1361=item B<SHELL> 1439=item B<SHELL>
1362 1440
1363The shell to be used for command execution, defaults to C</bin/sh>. 1441The shell to be used for command execution, defaults to C</bin/sh>.
1364
1365=item B<RXVTPATH>
1366
1367The path where @@RXVT_NAME@@ looks for support files such as menu and xpm
1368files.
1369
1370=item B<PATH>
1371
1372Used in the same way as C<RXVTPATH>.
1373 1442
1374=item B<RXVT_SOCKET> 1443=item B<RXVT_SOCKET>
1375 1444
1376The unix domain socket path used by @@RXVT_NAME@@c(1) and 1445The unix domain socket path used by @@RXVT_NAME@@c(1) and
1377@@RXVT_NAME@@d(1). 1446@@RXVT_NAME@@d(1).
1415 1484
1416=item Project Coordinator 1485=item Project Coordinator
1417 1486
1418Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >> 1487Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
1419 1488
1420L<http://software.schmorp.de/#rxvt-unicode> 1489L<http://software.schmorp.de/pkg/rxvt-unicode.html>
1421 1490
1422=back 1491=back
1423 1492
1424=head1 AUTHORS 1493=head1 AUTHORS
1425 1494
1447 1516
1448Project Coordinator (changes.txt 2.21a to 2.4.5) 1517Project Coordinator (changes.txt 2.21a to 2.4.5)
1449 1518
1450=item Geoff Wing L<< <gcw@pobox.com> >> 1519=item Geoff Wing L<< <gcw@pobox.com> >>
1451 1520
1452Rewrote screen display and text selection routines. Project Coordinator 1521Rewrote screen display and text selection routines.
1522
1453(changes.txt 2.4.6 - rxvt-unicode) 1523Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
1454 1524
1455=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >> 1525=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
1456 1526
1457Forked rxvt-unicode, rewrote most of the display code and internal 1527Forked rxvt-unicode, unicode support, rewrote almost all the code, perl
1458character handling to store text in unicode, improve xterm 1528extension, random hacks, numerous bugfixes and extensions.
1459compatibility and apply numerous other bugfixes and extensions.
1460 1529
1461Project Coordinator (Changes 1.0 -) 1530Project Coordinator (Changes 1.0 -)
1462 1531
1532=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
1533
1534Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing.
1535
1463=back 1536=back
1464 1537

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