--- rxvt-unicode/doc/rxvtperl.3.txt 2006/01/09 07:17:24 1.16 +++ rxvt-unicode/doc/rxvtperl.3.txt 2006/01/10 19:46:28 1.19 @@ -23,8 +23,8 @@ Each script will only ever be loaded once, even in rxvtd, where scripts will be shared (but not enabled) for all terminals. - Prepackaged Extensions - This section describes the extensiosn delivered with this version. You +PREPACKAGED EXTENSIONS + This section describes the extensions delivered with this release. You can find them in /opt/rxvt/lib/urxvt/perl/. You can activate them like this: @@ -32,12 +32,13 @@ rxvt -pe selection (enabled by default) - Intelligent selection. This extension tries to be more intelligent - when the user extends selections (double-click). Right now, it tries - to select urls and complete shell-quoted arguments, which is very - convenient, too, if your ls supports "--quoting-style=shell". + (More) intelligent selection. This extension tries to be more + intelligent when the user extends selections (double-click). Right + now, it tries to select urls and complete shell-quoted arguments, + which is very convenient, too, if your ls supports + "--quoting-style=shell". - It also offers the following bindable event: + It also offers the following bindable keyboard command: rot13 Rot-13 the selection when activated. Used via keyboard trigger: @@ -50,7 +51,19 @@ selection-popup (enabled by default) Binds a popup menu to Ctrl-Button3 that lets you convert the - selection text into various other formats/action. + selection text into various other formats/action (such as uri + unescaping, perl evalution, web-browser starting etc.), depending on + content. + + searchable-scrollback (enabled by default) + Adds regex search functionality to the scrollback buffer, triggered + by a hotkey (default: "M-s"). When in search mode, normal terminal + input/output is suspended. + + "/" starts an incremental regex search, "n" searches further, "p" or + "N" jump to the previous match, "G" jumps to the bottom and clears + the history, "enter" leaves search mode at the current position and + "escape" returns to the original position. digital-clock Displays a digital clock using the built-in overlay. @@ -69,6 +82,7 @@ the window. Illustrates overwriting the refresh callbacks to create your own overlays or changes. +API DOCUMENTATION General API Considerations All objects (such as terminals, time watchers etc.) are typical reference-to-hash objects. The hash can be used to store anything you @@ -98,24 +112,44 @@ Either binary data or - more common - a text string encoded in a locale-specific way. + Extension Objects + Very perl extension is a perl class. A separate perl object is created + for each terminal and each extension and passed as the first parameter + to hooks. So extensions can use their $self object without having to + think about other extensions, with the exception of methods and members + that begin with an underscore character "_": these are reserved for + internal use. + + Although it isn't a "urxvt::term" object, you can call all methods of + the "urxvt::term" class on this object. + + It has the following methods and data members: + + $urxvt_term = $self->{term} + Returns the "urxvt::term" object associated with this instance of + the extension. This member *must not* be changed in any way. + + $self->enable ($hook_name => $cb, [$hook_name => $cb..]) + Dynamically enable the given hooks (named without the "on_" prefix) + for this extension, replacing any previous hook. This is useful when + you want to overwrite time-critical hooks only temporarily. + + $self->disable ($hook_name[, $hook_name..]) + Dynamically disable the given hooks. + Hooks The following subroutines can be declared in extension files, and will be called whenever the relevant event happens. - The first argument passed to them is an object private to each terminal - and extension package. You can call all "urxvt::term" methods on it, but - its not a real "urxvt::term" object. Instead, the real "urxvt::term" - object that is shared between all packages is stored in the "term" - member. It is, however, blessed intot he package of the extension - script, so for all practical purposes you can treat an extension script - as a class. + The first argument passed to them is an extension oject as described in + the in the "Extension Objects" section. - All of them must return a boolean value. If it is true, then the event - counts as being *consumed*, and the invocation of other hooks is + All of these hooks must return a boolean value. If it is true, then the + event counts as being *consumed*, and the invocation of other hooks is skipped, and the relevant action might not be carried out by the C++ code. - When in doubt, return a false value (preferably "()"). + *When in doubt, return a false value (preferably "()").* on_init $term Called after a new terminal object has been initialized, but before @@ -191,6 +225,10 @@ Please note that this might be very slow, however, as your hook is called for all text being output. + on_tt_write $term, $octets + Called whenever some data is written to the tty/pty and can be used + to suppress or filter tty input. + on_line_update $term, $row Called whenever a line was updated or changed. Can be used to filter screen output (e.g. underline urls or other useless stuff). Only @@ -227,8 +265,8 @@ Called wheneever the window loses keyboard focus, before rxvt-unicode does focus out processing. - on_key_press $term, $event, $octets - on_key_release $term, $event + on_key_press $term, $event, $keysym, $octets + on_key_release $term, $event, $keysym on_button_press $term, $event on_button_release $term, $event on_motion_notify $term, $event @@ -248,10 +286,23 @@ subwindow. Variables in the "urxvt" Package + $urxvt::LIBDIR + The rxvt-unicode library directory, where, among other things, the + perl modules and scripts are stored. + + $urxvt::RESCLASS, $urxvt::RESCLASS + The resource class and name rxvt-unicode uses to look up X + resources. + + $urxvt::RXVTNAME + The basename of the installed binaries, usually "urxvt". + $urxvt::TERM The current terminal. This variable stores the current "urxvt::term" object, whenever a callback/hook is executing. + * + Functions in the "urxvt" Package $term = new urxvt [arg...] Creates a new terminal, very similar as if you had started it with @@ -314,29 +365,32 @@ $background = urxvt::GET_BASEBG $rend Return the foreground/background colour index, respectively. - $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) - $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) + $rend = urxvt::SET_FGCOLOR $rend, $new_colour + $rend = urxvt::SET_BGCOLOR $rend, $new_colour Replace the foreground/background colour in the rendition mask with the specified one. - $value = urxvt::GET_CUSTOM ($rend) + $value = urxvt::GET_CUSTOM $rend Return the "custom" value: Every rendition has 5 bits for use by extensions. They can be set and changed as you like and are initially zero. - $rend = urxvt::SET_CUSTOM ($rend, $new_value) + $rend = urxvt::SET_CUSTOM $rend, $new_value Change the custom value. The "urxvt::anyevent" Class The sole purpose of this class is to deliver an interface to the "AnyEvent" module - any module using it will work inside urxvt without - further work. The only exception is that you cannot wait on condition - variables, but non-blocking condvar use is ok. What this means is that - you cannot use blocking APIs, but the non-blocking variant should work. + further programming. The only exception is that you cannot wait on + condition variables, but non-blocking condvar use is ok. What this means + is that you cannot use blocking APIs, but the non-blocking variant + should work. The "urxvt::term" Class $term->destroy Destroy the terminal object (close the window, free resources etc.). + Please note that rxvt will not exit as long as any event watchers + (timers, io watchers) are still active. $isset = $term->option ($optval[, $set]) Returns true if the option specified by $optval is enabled, and @@ -388,6 +442,10 @@ shade term_name title transparent transparent_all tripleclickwords utmpInhibit visualBell + $success = $term->parse_keysym ($keysym_spec, $command_string) + Adds a keymap translation exactly as specified via a resource. See + the "keysym" resource in the rxvt(1) manpage. + $rend = $term->rstyle ([$new_rstyle]) Return and optionally change the current rendition. Text that is output by the terminal application will use this style. @@ -411,13 +469,9 @@ Return the current selection text and optionally replace it by $newtext. - #=item $term->overlay ($x, $y, $text) # #Create a simple multi-line - overlay box. See the next method for details. # #=cut # #sub - urxvt::term::scr_overlay { # my ($self, $x, $y, $text) = @_; # # my - @lines = split /\n/, $text; # # my $w = 0; # for (map - $self->strwidth ($_), @lines) { # $w = $_ if $w < $_; # } # # - $self->scr_overlay_new ($x, $y, $w, scalar @lines); # - $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; #} + $term->overlay_simple ($x, $y, $text) + Create a simple multi-line overlay box. See the next method for + details. $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) Create a new (empty) overlay at the given position with the given @@ -462,6 +516,21 @@ $string = $term->locale_decode ($octets) Convert the given locale-encoded octets into a perl string. + $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle]) + XORs the rendition values in the given span with the provided value + (default: "RS_RVid"). Useful in refresh hooks to provide effects + similar to the selection. + + $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, + $rstyle2]]) + Similar to "scr_xor_span", but xors a rectangle instead. Trailing + whitespace will additionally be xored with the $rstyle2, which + defaults to "RS_RVid | RS_Uline", which removes reverse video again + and underlines it instead. + + $term->scr_bell + Ring the bell! + $term->scr_add_lines ($string) Write the given text string to the screen, as if output by the application running inside the terminal. It may not contain command @@ -484,6 +553,12 @@ strings first to the locale-specific encoding using "$term->locale_encode". + $old_events = $term->pty_ev_events ([$new_events]) + Replaces the event mask of the pty watcher by the given event mask. + Can be used to suppress input and output handling to the pty/tty. + See the description of "urxvt::timer->events". Make sure to always + restore the previous value. + $windowid = $term->parent Return the window id of the toplevel window. @@ -504,6 +579,12 @@ $lines_in_scrollback = $term->nsaved Return various integers describing terminal characteristics. + $lc_ctype = $term->locale + Returns the LC_CTYPE category string used by this rxvt-unicode. + + $x_display = $term->display_id + Return the DISPLAY used by rxvt-unicode. + $modifiermask = $term->ModLevel3Mask $modifiermask = $term->ModMetaMask $modifiermask = $term->ModNumLockMask @@ -628,6 +709,25 @@ case as the session. The "urxvt::popup" Class + $popup->add_title ($title) + Adds a non-clickable title to the popup. + + $popup->add_separator ([$sepchr]) + Creates a separator, optionally using the character given as + $sepchr. + + $popup->add_button ($text, $cb) + Adds a clickable button to the popup. $cb is called whenever it is + selected. + + $popup->add_toggle ($text, $cb, $initial_value) + Adds a toggle/checkbox item to the popup. Teh callback gets called + whenever it gets toggled, with a boolean indicating its value as its + first argument. + + $popup->show + Displays the popup (which is initially hidden). + The "urxvt::timer" Class This class implements timer watchers/events. Time is represented as a fractional number of seconds since the epoch. Example: @@ -675,7 +775,7 @@ $term->{iow} = urxvt::iow ->new ->fd (fileno $term->{socket}) - ->events (1) # wait for read data + ->events (urxvt::EVENT_READ) ->start ->cb (sub { my ($iow, $revents) = @_; @@ -695,8 +795,9 @@ Set the filedescriptor (not handle) to watch. $iow = $iow->events ($eventmask) - Set the event mask to watch. Bit #0 (value 1) enables watching - for read data, Bit #1 (value 2) enables watching for write data. + Set the event mask to watch. The only allowed values are + "urxvt::EVENT_READ" and "urxvt::EVENT_WRITE", which might be + ORed together, or "urxvt::EVENT_NONE". $iow = $iow->start Start watching for requested events on the given handle.