--- rxvt-unicode/doc/rxvt.1.pod 2010/05/23 00:48:53 1.177 +++ rxvt-unicode/doc/rxvt.1.pod 2011/08/09 21:48:00 1.199 @@ -126,14 +126,11 @@ =item B<-tr>|B<+tr> -Turn on/off illusion of a transparent window background; resource B. +Turn on/off pseudo-transparency by using the root pixmap as background; resource B. B<-ip> is still accepted as an obsolete alias but will be removed in future versions. -I - =item B<-fade> I Fade the text by the given percentage when focus is lost. Small values @@ -147,29 +144,19 @@ =item B<-tint> I -Tint the transparent background pixmap with the given colour when -transparency is enabled with B<-tr>. This only works for -non-tiled backgrounds, currently. See also the B<-sh> option that can be -used to brighten or darken the image in addition to tinting it. -Please note that certain tint colours can be applied on the server-side, -thus yielding performance gain of two orders of magnitude. These colours are: -blue, red, green, cyan, magenta, yellow, and those close to them. Also -pure black and pure white colours essentially mean no tinting; resource -I. Example: - - @@RXVT_NAME@@ -tr -tint blue -sh 40 +Tint the transparent background with the given colour; +resource I. =item B<-sh> I -Darken (0 .. 100) or lighten (100 .. 200) the transparent -background image in addition to (or instead of) tinting it; -resource I. +Darken (0 .. 99) or lighten (101 .. 200) the transparent background. +A value of 100 means no shading; resource I. =item B<-blt> I Specify background blending type. If background pixmap is specified at the same time as transparency - such pixmap will be blended over -transparency image, using method specified. Supported values are : +the transparent background, using the method specified. Supported values are: B, B, B - colour values averaging, B, B, B, B, B, B, B, B, B, B, B, B. The default is @@ -178,15 +165,15 @@ =item B<-blr> I Apply Gaussian Blur with the specified radii to the transparent -background image. If single number is specified - both vertical and +background. If a single number is specified - both vertical and horizontal radii are considered to be the same. Setting one of the radii to 1 and another to a large number creates interesting effects -on some backgrounds. Maximum radius value is 128. Compile I; +on some backgrounds. Maximum radius value is 128; resource I. =item B<-icon> I -Compile I: Use the specified image as application icon. This +Compile I or I: Use the specified image as application icon. This is used by many window managers, taskbars and pagers to represent the application window; resource I. @@ -200,7 +187,7 @@ =item B<-pixmap> I -Compile I: Specify image file for the background and also +Compile I or I: Specify image file for the background and also optionally specify its scaling with a geometry string. Note you may need to add quotes to avoid special shell interpretation of the C<;> in the command-line; for more details see resource B. @@ -573,10 +560,10 @@ starts. @@RXVT_NAME@@ will consult the following files/resources in order, with later settings overwriting earlier ones: - 1. system-wide app-defaults file, either locale-dependent OR global - 2. app-defaults file in $XAPPLRESDIR - 3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults - 4. SCREEN_RESOURCES for the current screen + 1. app-defaults file in $XAPPLRESDIR + 2. $HOME/.Xdefaults + 3. RESOURCE_MANAGER property on root-window of screen 0 + 4. SCREEN_RESOURCES property on root-window of the current screen 5. $XENVIRONMENT file OR $HOME/.Xdefaults- 6. resources specified via -xrm on the commandline @@ -704,14 +691,11 @@ =item B I -Turn on/off illusion of a transparent window background. +Turn on/off pseudo-transparency by using the root pixmap as background. B is still accepted as an obsolete alias but will be removed in future versions. -I - =item B I Fade the text by the given percentage when focus is lost; option B<-fade>. @@ -723,13 +707,16 @@ =item B I -Tint the transparent background pixmap with the given colour; option -B<-tint>. +Tint the transparent background with the given colour. If the RENDER +extension is not available only black, red, green, yellow, blue, +magenta, cyan and white tints can be performed server-side. Note that +a black tint yields a completely black image while a white tint yields +the image unchanged; option B<-tint>. =item B I -Darken (0 .. 100) or lighten (-1 .. -100) the transparent background image -in addition to tinting it; option B<-sh>. +Darken (0 .. 99) or lighten (101 .. 200) the transparent background. +A value of 100 means no shading; option B<-sh>. =item B I @@ -738,7 +725,7 @@ =item B I Apply gaussian blur with the specified radius to the transparent -background image; option B<-blr>. +background; option B<-blr>. =item B I @@ -762,18 +749,15 @@ Use the specified image file for the background and also optionally specify its scaling with a geometry string B, -(default C<0x0+50+50>) in which B<"W" / "H"> specify the +(default C<100x100+50+50>) in which B<"W" / "H"> specify the horizontal/vertical scale (percent), and B<"X" / "Y"> locate the image -centre (percent). A scale of 0 displays the image with tiling. A scale -of 1 displays the image without any scaling. A scale of 2 to 9 specifies -an integer number of images in that direction. No image will be magnified -beyond 10 times its original size. The maximum permitted scale is 1000. +centre (percent). A scale of 0 disables scaling. +The maximum permitted scale is 1000. Additional operations can be specified after colon B<:op1:op2...>. Supported operations are: - tile force background image to be tiled and not scaled. Equivalent to 0x0 + tile will tile image propscale will scale image keeping proportions - auto will scale image to match window size. Equivalent to 100x100 hscale will scale image horizontally to the window size vscale will scale image vertically to the window size scale will scale image to match window size @@ -781,8 +765,9 @@ whenever terminal window moves If used in conjunction with B<-tr> option, the specified pixmap will be -blended over transparency image using either alpha-blending, or any -other blending type, specified with B<-blt "type"> option. +blended over the transparent background using alpha-blending. If I +support has been compiled in it is possible to choose other blending +types with B<-blt "type"> option. =item B I @@ -919,6 +904,10 @@ Set scrollbar style to B, B, B or B. B is the author's favourite. +=item B I + +Set the scrollbar width in pixels. + =item B I B: enable the scrollbar [default]; option B<-sb>. B: @@ -947,9 +936,10 @@ =item B I -B: scroll with scrollback buffer when tty receives new lines (and -B is False); option B<-sw>. B: do not scroll -with scrollback buffer when tty receives new lines; option B<+sw>. +B: scroll with scrollback buffer when tty receives new lines (i.e. +try to show the same lines) and B is False; option +B<-sw>. B: do not scroll with scrollback buffer when tty receives +new lines; option B<+sw>. =item B I @@ -1042,7 +1032,7 @@ =item B I The string to send when the backspace key is pressed. If set to B -or unset it will send B (code 127) or, if shifted, B +or unset it will send B (code 127) or, with control, B (code 8) - which can be reversed with the appropriate DEC private mode escape sequence. @@ -1171,7 +1161,7 @@ performed in an exact manner; however, the closest match is assured. I may contain escape values (C<\n>: newline, C<\000>: octal -number), see RESOURCES in C for futher details. +number), see RESOURCES in C for further details. You can define a range of keysyms in one shot by providing a I with pattern B, where the delimiter `/' @@ -1179,13 +1169,13 @@ Its usage can be demonstrated by an example: - URxvt.keysym.M-C-0x61: list|\033 + URxvt.keysym.M-C-0x61: list|\033<|abc|> The above line is equivalent to the following three lines: - URxvt.keysym.Meta-Control-0x61: \033 - URxvt.keysym.Meta-Control-0x62: \033 - URxvt.keysym.Meta-Control-0x63: \033 + URxvt.keysym.Meta-Control-0x61: \033 + URxvt.keysym.Meta-Control-0x62: \033 + URxvt.keysym.Meta-Control-0x63: \033 If I takes the form of C, the specified B is interpreted and executed as @@RXVT_NAME@@'s control sequence. For @@ -1202,7 +1192,7 @@ URxvt.keysym.M-C-c: perl:selection:rot13 Due the the large number of modifier combinations, a defined key mapping -will match if at I the specified identifiers are being set, and +will match if I the specified identifiers are being set, and no other key mappings with those and more bits are being defined. That means that defining a key map for C will automatically provide definitions for C, C and so on, unless some of those are defined @@ -1461,9 +1451,12 @@ =head1 COLOURS AND GRAPHICS In addition to the default foreground and background colours, -B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus -high-intensity bold/blink versions of the same). Here is a list of the -colours with their names. +B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus +high-intensity (potentially bold/blink) versions of the same, and 72 (or +240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB +cube plus a 8 (24) colour greyscale ramp. + +Here is a list of the ANSI colours with their names. =begin table @@ -1493,14 +1486,24 @@ a number 0-15, as a convenient shorthand to reference the colour name of color0-color15. -In addition to the colours defined above, @@RXVT_NAME@@ offers an -additional 72 colours. The first 64 of those (with indices 16 to 79) -consist of a 4*4*4 RGB colour cube (i.e. I), followed by 8 additional shades of gray (with indices 80 to 87). - -Together, all those colours implement the 88 colour xterm colours. Only -the first 16 can be changed using resources currently, the rest can only -be changed via command sequences ("escape codes"). +The following text gives values for the standard 88 colour mode (and +values for the 256 colour mode in parentheses). + +The RGB cube uses indices 16..79 (16..231) using the following formulas: + + index_88 = (r * 4 + g) * 4 + b + 16 # r, g, b = 0..3 + index_256 = (r * 16 + g) * 16 + b + 16 # r, g, b = 0..15 + +The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in 10% +steps (1/26 to 25/26 in 1/26 steps) - black and white are already part of +the RGB cube. + +Together, all those colours implement the 88 (256) colour xterm +colours. Only the first 16 can be changed using resources currently, the +rest can only be changed via command sequences ("escape codes"). + +Applications are advised to use terminfo or command sequences to discover +number and RGB values of all colours (yes, you can query this...). Note that B<-rv> (B<"reverseVideo: True">) simulates reverse video by always swapping the foreground/background colours. This is in contrast to @@ -1517,7 +1520,7 @@ If Xft support has been compiled in and as long as Xft/Xrender/X don't get their act together, rxvt-unicode will do it's own alpha channel management: -You can prefix any colour with an opaquenes percentage enclosed in +You can prefix any colour with an opaqueness percentage enclosed in brackets, i.e. C<[percent]>, where C is a decimal percentage (0-100) that specifies the opacity of the colour, where C<0> is completely transparent and C<100> is completely opaque. For example, C<[50]red> is a @@ -1612,7 +1615,7 @@ The unix domain socket path used by @@RXVT_NAME@@c(1) and @@RXVT_NAME@@d(1). -Default F<<< $HOME/.rxvt-unicode-I<< > >>>. +Default F<<< $HOME/.rxvt-unicode-I<< >> >>>. =item B @@ -1622,7 +1625,7 @@ =item B -Directory where various X resource files are being located. +Directory where application-specific X resource files are located. =item B @@ -1698,7 +1701,7 @@ =item Emanuele Giaquinta L<< >> -Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugfixing. +pty/utmp code rewrite, image code improvements, many random hacks and bugfixes. =back