--- rxvt-unicode/doc/rxvtperl.3.html 2006/01/02 19:36:07 1.3 +++ rxvt-unicode/doc/rxvtperl.3.html 2006/01/12 12:10:06 1.26 @@ -15,12 +15,19 @@
  • NAME
  • SYNOPSIS
  • DESCRIPTION
  • +
  • PREPACKAGED EXTENSIONS
  • +
  • API DOCUMENTATION
  • @@ -38,61 +45,289 @@

    +

    NAME

    rxvtperl - rxvt-unicode's embedded perl interpreter


    SYNOPSIS

    -

    * Put your scripts into /opt/rxvt/lib/urxvt/perl-ext/, they will be loaded automatically.

    -

    * Scripts are evaluated in a 'use strict' and 'use utf8' environment, and -thus must be encoded as UTF-8.

    +
    +   # create a file grab_test in $HOME:
        sub on_sel_grab {
           warn "you selected ", $_[0]->selection;
           ()
        }
    -   1
    + # start a rxvt using it: +
    +   rxvt --perl-lib $HOME -pe grab_test


    DESCRIPTION

    -

    On startup, rxvt will scan /opt/rxvt/lib/urxvt/perl-ext/ -for files and will load them. Everytime a terminal object gets created, -the directory specified by the perl-lib resource will be additionally -scanned.

    +

    Everytime a terminal object gets created, extension scripts specified via +the perl resource are loaded and associated with it.

    +

    Scripts are compiled in a 'use strict' and 'use utf8' environment, and +thus must be encoded as UTF-8.

    Each script will only ever be loaded once, even in rxvtd, where -scripts will be shared for all terminals.

    -

    Hooks in scripts specified by perl-lib will only be called for the -terminals created with that specific option value.

    +scripts will be shared (but not enabled) for all terminals.

    +

    +

    +
    +

    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:

    +
    +  rxvt -pe <extensionname>
    +
    +
    selection (enabled by default)
    +
    +
    +(More) intelligent selection. This extension tries to be more intelligent +when the user extends selections (double-click and further clicks). Right +now, it tries to select words, urls and complete shell-quoted +arguments, which is very convenient, too, if your ls supports +--quoting-style=shell. +
    +
    +

    A double-click usually selects the word under the cursor, further clicks +will enlarge the selection.

    +
    +
    +

    The selection works by trying to match a number of regexes and displaying +them in increasing order of length. You can add your own regexes by +specifying resources of the form:

    +
    +
    +
    +   URxvt.selection.pattern-0: perl-regex
    +   URxvt.selection.pattern-1: perl-regex
    +   ...
    +
    +
    +

    The index number (0, 1...) must not have any holes, and each regex must +contain at least one pair of capturing parentheses, which will be used for +the match. For example, the followign adds a regex that matches everything +between two vertical bars:

    +
    +
    +
    +   URxvt.selection.pattern-0: \\|([^|]+)\\|
    +
    +
    +

    You can look at the source of the selection extension to see more +interesting uses, such as parsing a line from beginning to end.

    +
    +
    +

    This extension also offers the following bindable keyboard command:

    +
    +
    +
    rot13
    +
    +
    +Rot-13 the selection when activated. Used via keyboard trigger: +
    +
    +
    +   URxvt.keysym.C-M-r: perl:selection:rot13
    +
    +

    +
    option-popup (enabled by default)
    +
    +
    +Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at +runtime. +
    +

    +
    selection-popup (enabled by default)
    +
    +
    +Binds a popup menu to Ctrl-Button3 that lets you convert the selection +text into various other formats/action (such as uri unescaping, perl +evalution, web-browser starting etc.), depending on content. +
    +

    +
    searchable-scrollback<hotkey> (enabled by default)
    +
    +
    +Adds regex search functionality to the scrollback buffer, triggered +by a hotkey (default: M-s). While in search mode, normal terminal +input/output is suspended and a regex is displayed at the bottom of the +screen. +
    +
    +

    Inputting characters appends them to the regex and continues incremental +search. BackSpace removes a character from the regex, Up and Down +search upwards/downwards in the scrollback buffer, End jumps to the +bottom. Escape leaves search mode and returns to the point where search +was started, while Enter or Return stay at the current position and +additionally stores the first match in the current line into the primary +selection.

    +
    +

    +
    selection-autotransform
    +
    +
    +This selection allows you to do automatic transforms on a selection +whenever a selection is made. +
    +
    +

    It works by specifying perl snippets (most useful is a single s/// +operator) that modify $_ as resources:

    +
    +
    +
    +   URxvt.selection-autotransform.0: transform
    +   URxvt.selection-autotransform.1: transform
    +   ...
    +
    +
    +

    For example, the following will transform selections of the form +filename:number, often seen in compiler messages, into vi +$filename +$word:

    +
    +
    +
    +   URxvt.selection-autotransform.0: s/^(\\S+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
    +
    +
    +

    And this example matches the same,but replaces it with vi-commands you can +paste directly into your (vi :) editor:

    +
    +
    +
    +   URxvt.selection-autotransform.0: s/^(S+):(d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/
    +
    +

    +
    mark-urls
    +
    +
    +Uses per-line display filtering (on_line_update) to underline urls and +make them clickable. When middle-clicked, the program specified in the +resource urlLauncher (default x-www-browser) will be started with +the URL as first argument. +
    +

    +
    block-graphics-to-ascii
    +
    +
    +A not very useful example of filtering all text output to the terminal, +by replacing all line-drawing characters (U+2500 .. U+259F) by a +similar-looking ascii character. +
    +

    +
    digital-clock
    +
    +
    +Displays a digital clock using the built-in overlay. +
    +

    +
    example-refresh-hooks
    +
    +
    +Displays a very simple digital clock in the upper right corner of 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 like. All members starting with an underscore (such as _ptr or -_hook) are reserved for internal uses and must not be accessed or +_hook) are reserved for internal uses and MUST NOT be accessed or modified).

    When objects are destroyed on the C++ side, the perl object hashes are emptied, so its best to store related objects such as time watchers and the like inside the terminal object so they get destroyed as soon as the terminal is destroyed.

    +

    Argument names also often indicate the type of a parameter. Here are some +hints on what they mean:

    +
    +
    $text
    +
    +
    +Rxvt-unicodes special way of encoding text, where one ``unicode'' character +always represents one screen cell. See ROW_t for a discussion of this format. +
    +

    +
    $string
    +
    +
    +A perl text string, with an emphasis on text. It can store all unicode +characters and is to be distinguished with text encoded in a specific +encoding (often locale-specific) and binary data. +
    +

    +
    $octets
    +
    +
    +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 loaded scripts, and will be called -whenever the relevant event happens.

    -

    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 skipped, -and the relevant action might not be carried out by the C++ code.

    -

    When in doubt, return a false value (preferably ()).

    +

    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 extension oject as described in +the in the Extension Objects section.

    +

    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 ()). >

    on_init $term
    Called after a new terminal object has been initialized, but before -windows are created or the command gets run. +windows are created or the command gets run. Most methods are unsafe to +call or deliver senseless data, as terminal size and other characteristics +have not yet been determined. You can safely query and change resources, +though.

    on_reset $term
    @@ -133,18 +368,18 @@

    Returning a true value aborts selection grabbing. It will still be hilighted.

    -
    on_focus_in $term
    +
    on_sel_extend $term
    -Called whenever the window gets the keyboard focus, before urxvt does -focus in processing. +Called whenever the user tries to extend the selection (e.g. with a double +click) and is either supposed to return false (normal operation), or +should extend the selection itelf and return true to suppress the built-in +processing. This can happen multiple times, as long as the callback +returns true, it will be called on every further click by the user and is +supposed to enlarge the selection more and more, if possible.
    -

    -
    on_focus_out $term
    -
    -Called wheneever the window loses keyboard focus, before urxvt does focus -out processing. +

    See the selection example extension.

    on_view_change $term, $offset
    @@ -168,10 +403,55 @@ number of lines that will be in the scrollback buffer.

    -
    on_tty_activity $term *NYI*
    +
    on_osc_seq $term, $string
    +
    +
    +Called whenever the ESC ] 777 ; string ST command sequence (OSC = +operating system command) is processed. Cursor position and other state +information is up-to-date when this happens. For interoperability, the +string should start with the extension name and a colon, to distinguish +it from commands for other extensions, and this might be enforced in the +future. +
    +
    +

    Be careful not ever to trust (in a security sense) the data you receive, +as its source can not easily be controleld (e-mail content, messages from +other users on the same system etc.).

    +
    +

    +
    on_add_lines $term, $string
    +
    +
    +Called whenever text is about to be output, with the text as argument. You +can filter/change and output the text yourself by returning a true value +and calling $term->scr_add_lines yourself. 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 the program(s) running in the urxvt window send output. +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 lines +that are being shown will be filtered, and, due to performance reasons, +not always immediately. +
    +
    +

    The row number is always the topmost row of the line if the line spans +multiple rows.

    +
    +
    +

    Please note that, if you change the line, then the hook might get called +later with the already-modified line (e.g. if unrelated parts change), so +you cannot just toggle rendition bits, but only set them.

    on_refresh_begin $term
    @@ -188,6 +468,89 @@
    Called just after the screen gets redrawn. See on_refresh_begin.
    +

    +
    on_keyboard_command $term, $string
    +
    +
    +Called whenever the user presses a key combination that has a +perl:string action bound to it (see description of the keysym +resource in the rxvt(1) manpage). +
    +

    +
    on_focus_in $term
    +
    +
    +Called whenever the window gets the keyboard focus, before rxvt-unicode +does focus in processing. +
    +

    +
    on_focus_out $term
    +
    +
    +Called wheneever the window loses keyboard focus, before rxvt-unicode does +focus out processing. +
    +

    +
    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
    +
    +
    on_map_notify $term, $event
    +
    +
    on_unmap_notify $term, $event
    +
    +
    +Called whenever the corresponding X event is received for the terminal If +the hook returns true, then the even will be ignored by rxvt-unicode. +
    +
    +

    The event is a hash with most values as named by Xlib (see the XEvent +manpage), with the additional members row and col, which are the row +and column under the mouse cursor.

    +
    +
    +

    on_key_press additionally receives the string rxvt-unicode would +output, if any, in locale-specific encoding.

    +
    +
    +

    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. +

    @@ -212,17 +575,152 @@

    Using this function has the advantage that its output ends up in the correct place, e.g. on stderr of the connecting urxvtc client.

    +
    +

    Messages have a size limit of 1023 bytes currently.

    +
    +

    +
    $is_safe = urxvt::safe
    +
    +
    +Returns true when it is safe to do potentially unsafe things, such as +evaluating perl code specified by the user. This is true when urxvt was +started setuid or setgid. +

    $time = urxvt::NOW
    Returns the ``current time'' (as per the event loop).
    +

    +
    urxvt::CurrentTime
    +
    +
    urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, +Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, +Button4Mask, Button5Mask, AnyModifier
    +
    +
    +Various constants for use in X calls and event processing. +

    +

    RENDITION

    +

    Rendition bitsets contain information about colour, font, font styles and +similar information for each screen cell.

    +

    The following ``macros'' deal with changes in rendition sets. You should +never just create a bitset, you should always modify an existing one, +as they contain important information required for correct operation of +rxvt-unicode.

    +
    +
    $rend = urxvt::DEFAULT_RSTYLE
    +
    +
    +Returns the default rendition, as used when the terminal is starting up or +being reset. Useful as a base to start when creating renditions. +
    +

    +
    $rend = urxvt::OVERLAY_RSTYLE
    +
    +
    +Return the rendition mask used for overlays by default. +
    +

    +
    $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
    +
    +
    +Return the bit that enabled bold, italic, blink, reverse-video and +underline, respectively. To enable such a style, just logically OR it into +the bitset. +
    +

    +
    $foreground = urxvt::GET_BASEFG $rend
    +
    +
    $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
    +
    +
    +Replace the foreground/background colour in the rendition mask with the +specified one. +
    +

    +
    $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
    +
    +
    +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 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 = new urxvt::term $envhashref, $rxvtname, [arg...]
    +
    +
    +Creates a new terminal, very similar as if you had started it with system +$rxvtname, arg.... $envhashref must be a reference to a %ENV-like +hash which defines the environment of the new terminal. +
    +
    +

    Croaks (and probably outputs an error message) if the new instance +couldn't be created. Returns undef if the new instance didn't +initialise perl, and the terminal object otherwise. The init and +start hooks will be called during this call.

    +
    +

    +
    $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 +optionally change it. All option values are stored by name in the hash +%urxvt::OPTION. Options not enabled in this binary are not in the hash. +
    +
    +

    Here is a a likely non-exhaustive list of option names, please see the +source file /src/optinc.h to see the actual list:

    +
    +
    +
    + borderLess console cursorBlink cursorUnderline hold iconic insecure
    + intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
    + pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
    + scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
    + secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
    + tripleclickwords utmpInhibit visualBell
    +
    +

    $value = $term->resource ($name[, $newval])
    @@ -246,8 +744,8 @@

    Here is a a likely non-exhaustive list of resource names, not all of which -are supported in every build, please see the source to see the actual -list:

    +are supported in every build, please see the source file /src/rsinc.h +to see the actual list:

    @@ -255,8 +753,8 @@
       borderLess color cursorBlink cursorUnderline cutchars delete_key
       display_name embed ext_bwidth fade font geometry hold iconName
       imFont imLocale inputMethod insecure int_bwidth intensityStyles
    -  italicFont jumpScroll lineSpace loginShell mapAlert menu meta8
    -  modifier mouseWheelScrollPage name pastableTabs path perl perl_eval
    +  italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier
    +  mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2
       perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd
       reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating
       scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput
    @@ -265,6 +763,41 @@
       utmpInhibit visualBell

    +
    $value = $term->x_resource ($pattern)
    +
    +
    +Returns the X-Resource for the given pattern, excluding the program or +class name, i.e. $term->x_resource ("boldFont") should return the +same value as used by this instance of rxvt-unicode. Returns undef if no +resource with that pattern exists. +
    +
    +

    This method should only be called during the on_start hook, as there is +only one resource database per display, and later invocations might return +the wrong resources.

    +
    +

    +
    $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. +
    +

    +
    ($row, $col) = $term->screen_cur ([$row, $col])
    +
    +
    +Return the current coordinates of the text cursor position and optionally +set it (which is usually bad as applications don't expect that). +
    +

    ($row, $col) = $term->selection_mark ([$row, $col])
    ($row, $col) = $term->selection_beg ([$row, $col])
    @@ -276,78 +809,457 @@ and optionally set them to new values.

    +
    $term->selection_make ($eventtime[, $rectangular])
    +
    +
    +Tries to make a selection as set by selection_beg and +selection_end. If $rectangular is true (default: false), a +rectangular selection will be made. This is the prefered function to make +a selection. +
    +

    $success = $term->selection_grab ($eventtime)
    -Try to request the primary selection from the server (for example, as set -by the next method). +Try to request the primary selection text from the server (for example, as +set by the next method). No visual feedback will be given. This function +is mostly useful from within on_sel_grab hooks.

    -
    $oldtext = $term->selection ([$newtext])
    +
    $oldtext = $term->selection ([$newtext])
    Return the current selection text and optionally replace it by $newtext.

    -
    $term->scr_overlay ($x, $y, $text)
    +
    $term->overlay_simple ($x, $y, $text)
    Create a simple multi-line overlay box. See the next method for details.

    -
    $term->scr_overlay_new ($x, $y, $width, $height)
    +
    $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
    Create a new (empty) overlay at the given position with the given -width/height. A border will be put around the box. If either $x or -$y is negative, then this is counted from the right/bottom side, -respectively. +width/height. $rstyle defines the initial rendition style +(default: OVERLAY_RSTYLE).
    -

    -
    $term->scr_overlay_off
    +
    +

    If $border is 2 (default), then a decorative border will be put +around the box.

    +
    +
    +

    If either $x or $y is negative, then this is counted from the +right/bottom side, respectively.

    +
    +
    +

    This method returns an urxvt::overlay object. The overlay will be visible +as long as the perl object is referenced.

    +
    +
    +

    The methods currently supported on urxvt::overlay objects are:

    +
    +
    +
    $overlay->set ($x, $y, $text, $rend)
    -Switch the overlay off again. +Similar to $term->ROW_t and $term->ROW_r in that it puts +text in rxvt-unicode's special encoding and an array of rendition values +at a specific position inside the overlay.

    -
    $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE)
    +
    $overlay->hide
    -Put a single character (specified numerically) at the given overlay -position. +If visible, hide the overlay, but do not destroy it.

    -
    $term->scr_overlay_set ($x, $y, $text)
    +
    $overlay->show
    -Write a string at the given position into the overlay. +If hidden, display the overlay again. +
    +

    +
    $popup = $term->popup ($event)
    +
    +
    +Creates a new urxvt::popup object that implements a popup menu. The +$event must be the event causing the menu to pop up (a button event, +currently).

    -
    $cellwidth = $term->strwidth $string
    +
    $cellwidth = $term->strwidth ($string)
    Returns the number of screen-cells this string would need. Correctly accounts for wide and combining characters.

    -
    $octets = $term->locale_encode $string
    +
    $octets = $term->locale_encode ($string)
    Convert the given text string into the corresponding locale encoding.

    -
    $string = $term->locale_decode $octets
    +
    $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), which MUST NOT contain font styles. 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. Both styles MUST NOT contain font styles. +
    +

    +
    $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 sequences (escape +codes), but is free to use line feeds, carriage returns and tabs. The +string is a normal text string, not in locale-dependent encoding. +
    +
    +

    Normally its not a good idea to use this function, as programs might be +confused by changes in cursor position or scrolling. Its useful inside a +on_add_lines hook, though.

    +
    +

    +
    $term->cmd_parse ($octets)
    +
    +
    +Similar to scr_add_lines, but the argument must be in the +locale-specific encoding of the terminal and can contain command sequences +(escape codes) that will be interpreted. +
    +

    $term->tt_write ($octets)
    Write the octets given in $data to the tty (i.e. as program input). To -pass characters instead of octets, you should convetr you strings first to -the locale-specific encoding using $term->locale_encode. +pass characters instead of octets, you should convert your 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. +
    +

    +
    $windowid = $term->vt
    +
    +
    +Return the window id of the terminal window. +
    +

    +
    $window_width = $term->width
    +
    +
    $window_height = $term->height
    +
    +
    $font_width = $term->fwidth
    +
    +
    $font_height = $term->fheight
    +
    +
    $font_ascent = $term->fbase
    +
    +
    $terminal_rows = $term->nrow
    +
    +
    $terminal_columns = $term->ncol
    +
    +
    $has_focus = $term->focus
    +
    +
    $is_mapped = $term->mapped
    +
    +
    $max_scrollback = $term->saveLines
    +
    +
    $nrow_plus_saveLines = $term->total_rows
    +
    +
    $lines_in_scrollback = $term->nsaved
    +
    +
    +Return various integers describing terminal characteristics. +
    +

    +
    $x_display = $term->display_id
    +
    +
    +Return the DISPLAY used by rxvt-unicode. +
    +

    +
    $lc_ctype = $term->locale
    +
    +
    +Returns the LC_CTYPE category string used by this rxvt-unicode. +
    +

    +
    $env = $term->env
    +
    +
    +Returns a copy of the environment in effect for the terminal as a hashref +similar to \%ENV. +
    +

    +
    $modifiermask = $term->ModLevel3Mask
    +
    +
    $modifiermask = $term->ModMetaMask
    +
    +
    $modifiermask = $term->ModNumLockMask
    +
    +
    +Return the modifier masks corresponding to the ``ISO Level 3 Shift'' (often +AltGr), the meta key (often Alt) and the num lock key, if applicable. +
    +

    +
    $view_start = $term->view_start ([$newvalue])
    +
    +
    +Returns the negative row number of the topmost line. Minimum value is +0, which displays the normal terminal contents. Larger values scroll +this many lines into the scrollback buffer. +
    +

    +
    $term->want_refresh
    +
    +
    +Requests a screen refresh. At the next opportunity, rxvt-unicode will +compare the on-screen display with its stored representation. If they +differ, it redraws the differences. +
    +
    +

    Used after changing terminal contents to display them.

    +
    +

    +
    $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
    +
    +
    +Returns the text of the entire row with number $row_number. Row 0 +is the topmost terminal line, row $term->$ncol-1 is the bottommost +terminal line. The scrollback buffer starts at line -1 and extends to +line -$term->nsaved. Nothing will be returned if a nonexistent line +is requested. +
    +
    +

    If $new_text is specified, it will replace characters in the current +line, starting at column $start_col (default 0), which is useful +to replace only parts of a line. The font index in the rendition will +automatically be updated.

    +
    +
    +

    $text is in a special encoding: tabs and wide characters that use more +than one cell when displayed are padded with urxvt::NOCHAR characters +(chr 65535). Characters with combining characters and other characters +that do not fit into the normal tetx encoding will be replaced with +characters in the private use area.

    +
    +
    +

    You have to obey this encoding when changing text. The advantage is +that substr and similar functions work on screen cells and not on +characters.

    +
    +
    +

    The methods $term->special_encode and $term->special_decode +can be used to convert normal strings into this encoding and vice versa.

    +
    +

    +
    $rend = $term->ROW_r ($row_number[, $new_rend[, $start_col]])
    +
    +
    +Like $term->ROW_t, but returns an arrayref with rendition +bitsets. Rendition bitsets contain information about colour, font, font +styles and similar information. See also $term->ROW_t. +
    +
    +

    When setting rendition, the font mask will be ignored.

    +
    +
    +

    See the section on RENDITION, above.

    +
    +

    +
    $length = $term->ROW_l ($row_number[, $new_length])
    +
    +
    +Returns the number of screen cells that are in use (``the line +length''). Unlike the urxvt core, this returns $term->ncol if the +line is joined with the following one. +
    +

    +
    $bool = $term->is_longer ($row_number)
    +
    +
    +Returns true if the row is part of a multiple-row logical ``line'' (i.e. +joined with the following row), which means all characters are in use +and it is continued on the next row (and possibly a continuation of the +previous row(s)). +
    +

    +
    $line = $term->line ($row_number)
    +
    +
    +Create and return a new urxvt::line object that stores information +about the logical line that row $row_number is part of. It supports the +following methods: +
    +
    +
    $text = $line->t ([$new_text])
    +
    +
    +Returns or replaces the full text of the line, similar to ROW_t +
    +

    +
    $rend = $line->r ([$new_rend])
    +
    +
    +Returns or replaces the full rendition array of the line, similar to ROW_r +
    +

    +
    $length = $line->l
    +
    +
    +Returns the length of the line in cells, similar to ROW_l. +
    +

    +
    $rownum = $line->beg
    +
    +
    $rownum = $line->end
    +
    +
    +Return the row number of the first/last row of the line, respectively. +
    +

    +
    $offset = $line->offset_of ($row, $col)
    +
    +
    +Returns the character offset of the given row|col pair within the logical +line. Works for rows outside the line, too, and returns corresponding +offsets outside the string. +
    +

    +
    ($row, $col) = $line->coord_of ($offset)
    +
    +
    +Translates a string offset into terminal coordinates again. +
    +

    +
    $text = $term->special_encode $string
    +
    +
    +Converts a perl string into the special encoding used by rxvt-unicode, +where one character corresponds to one screen cell. See +$term->ROW_t for details. +
    +

    +
    $string = $term->special_decode $text
    +
    +
    +Converts rxvt-unicodes text reprsentation into a perl string. See +$term->ROW_t for details. +
    +

    +
    $success = $term->grab_button ($button, $modifiermask)
    +
    +
    +Registers a synchronous button grab. See the XGrabButton manpage. +
    +

    +
    $success = $term->grab ($eventtime[, $sync])
    +
    +
    +Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or +synchronous ($sync is true). Also remembers the grab timestampe. +
    +

    +
    $term->allow_events_async
    +
    +
    +Calls XAllowEvents with AsyncBoth for the most recent grab. +
    +

    +
    $term->allow_events_sync
    +
    +
    +Calls XAllowEvents with SyncBoth for the most recent grab. +
    +

    +
    $term->allow_events_replay
    +
    +
    +Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most +recent grab. +
    +

    +
    $term->ungrab
    +
    +
    +Calls XUngrab for the most recent grab. Is called automatically on +evaluation errors, as it is better to lose the grab in the error 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).

    @@ -356,22 +1268,20 @@

    This class implements timer watchers/events. Time is represented as a fractional number of seconds since the epoch. Example:

    -   # create a digital clock display in upper right corner
    +   $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0);
        $term->{timer} = urxvt::timer
                         ->new
    -                    ->start (urxvt::NOW)
    +                    ->interval (1)
                         ->cb (sub {
    -                       my ($timer) = @_;
    -                       my $time = $timer->at;
    -                       $timer->start ($time + 1);
    -                       $self->scr_overlay (-1, 0, 
    -                          POSIX::strftime "%H:%M:%S", localtime $time);
    +                       $term->{overlay}->set (0, 0,
    +                          sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
                         });
    $timer = new urxvt::timer
    -Create a new timer object in stopped state. +Create a new timer object in started state. It is scheduled to fire +immediately.

    $timer = $timer->cb (sub { my ($timer) = @_; ... })
    @@ -386,12 +1296,20 @@ Return the time this watcher will fire next.

    -
    $timer = $timer->set ($tstamp)
    +
    $timer = $timer->set ($tstamp)
    Set the time the event is generated to $tstamp.

    +
    $timer = $timer->interval ($interval)
    +
    +
    +Normally (and when $interval is 0), the timer will automatically +stop after it has fired once. If $interval is non-zero, then the timer +is automatically rescheduled at the given intervals. +
    +

    $timer = $timer->start
    @@ -419,7 +1337,7 @@ $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) = @_; @@ -450,8 +1368,9 @@
    $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
    @@ -475,14 +1394,16 @@

    URXVT_PERL_VERBOSITY

    This variable controls the verbosity level of the perl extension. Higher numbers indicate more verbose output.

    -
      -
    1. - only fatal messages
      -
    2. -
    3. - script loading and management
      -
    4. -
    5. - all events received
      -
    6. -
    +
    +
    == 0 - fatal messages
    +
    +
    >= 3 - script loading and management
    +
    +
    >=10 - all called hooks
    +
    +
    >=11 - hook reutrn values
    +
    +