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Revision: 1.28
Committed: Fri Jan 13 01:09:37 2006 UTC (18 years, 6 months ago) by root
Branch: MAIN
Changes since 1.27: +13 -1 lines
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131     .IX Title "rxvt 3"
132 root 1.28 .TH rxvt 3 "2006-01-13" "7.0" "RXVT-UNICODE"
133 root 1.1 .SH "NAME"
134 root 1.5 @@RXVT_NAME@@perl \- rxvt\-unicode's embedded perl interpreter
135 root 1.1 .SH "SYNOPSIS"
136     .IX Header "SYNOPSIS"
137 root 1.5 .Vb 1
138     \& # create a file grab_test in $HOME:
139     .Ve
140 root 1.1 .PP
141     .Vb 4
142     \& sub on_sel_grab {
143     \& warn "you selected ", $_[0]->selection;
144     \& ()
145     \& }
146     .Ve
147     .PP
148     .Vb 1
149 root 1.5 \& # start a @@RXVT_NAME@@ using it:
150     .Ve
151     .PP
152     .Vb 1
153     \& @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test
154 root 1.1 .Ve
155     .SH "DESCRIPTION"
156     .IX Header "DESCRIPTION"
157 root 1.15 Everytime a terminal object gets created, extension scripts specified via
158     the \f(CW\*(C`perl\*(C'\fR resource are loaded and associated with it.
159 root 1.5 .PP
160     Scripts are compiled in a 'use strict' and 'use utf8' environment, and
161     thus must be encoded as \s-1UTF\-8\s0.
162 root 1.3 .PP
163     Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
164 root 1.7 scripts will be shared (but not enabled) for all terminals.
165 root 1.20 .SH "PREPACKAGED EXTENSIONS"
166     .IX Header "PREPACKAGED EXTENSIONS"
167     This section describes the extensions delivered with this release. You can
168 root 1.6 find them in \fI@@RXVT_LIBDIR@@/urxvt/perl/\fR.
169     .PP
170     You can activate them like this:
171     .PP
172     .Vb 1
173     \& @@RXVT_NAME@@ -pe <extensionname>
174     .Ve
175 root 1.16 .IP "selection (enabled by default)" 4
176     .IX Item "selection (enabled by default)"
177 root 1.20 (More) intelligent selection. This extension tries to be more intelligent
178 root 1.25 when the user extends selections (double\-click and further clicks). Right
179     now, it tries to select words, urls and complete shell-quoted
180     arguments, which is very convenient, too, if your \fIls\fR supports
181     \&\f(CW\*(C`\-\-quoting\-style=shell\*(C'\fR.
182     .Sp
183     A double-click usually selects the word under the cursor, further clicks
184     will enlarge the selection.
185 root 1.9 .Sp
186 root 1.26 The selection works by trying to match a number of regexes and displaying
187     them in increasing order of length. You can add your own regexes by
188     specifying resources of the form:
189     .Sp
190     .Vb 3
191     \& URxvt.selection.pattern-0: perl-regex
192     \& URxvt.selection.pattern-1: perl-regex
193     \& ...
194     .Ve
195     .Sp
196     The index number (0, 1...) must not have any holes, and each regex must
197     contain at least one pair of capturing parentheses, which will be used for
198     the match. For example, the followign adds a regex that matches everything
199     between two vertical bars:
200     .Sp
201     .Vb 1
202     \& URxvt.selection.pattern-0: \e\e|([^|]+)\e\e|
203     .Ve
204     .Sp
205     You can look at the source of the selection extension to see more
206     interesting uses, such as parsing a line from beginning to end.
207     .Sp
208     This extension also offers the following bindable keyboard command:
209 root 1.6 .RS 4
210     .IP "rot13" 4
211     .IX Item "rot13"
212     Rot\-13 the selection when activated. Used via keyboard trigger:
213     .Sp
214     .Vb 1
215     \& URxvt.keysym.C-M-r: perl:selection:rot13
216     .Ve
217     .RE
218     .RS 4
219     .RE
220 root 1.16 .IP "option-popup (enabled by default)" 4
221     .IX Item "option-popup (enabled by default)"
222 root 1.17 Binds a popup menu to Ctrl\-Button2 that lets you toggle (some) options at
223 root 1.16 runtime.
224 root 1.17 .IP "selection-popup (enabled by default)" 4
225     .IX Item "selection-popup (enabled by default)"
226     Binds a popup menu to Ctrl\-Button3 that lets you convert the selection
227 root 1.20 text into various other formats/action (such as uri unescaping, perl
228     evalution, web-browser starting etc.), depending on content.
229 root 1.19 .IP "searchable\-scrollback<hotkey> (enabled by default)" 4
230     .IX Item "searchable-scrollback<hotkey> (enabled by default)"
231     Adds regex search functionality to the scrollback buffer, triggered
232 root 1.25 by a hotkey (default: \f(CW\*(C`M\-s\*(C'\fR). While in search mode, normal terminal
233     input/output is suspended and a regex is displayed at the bottom of the
234     screen.
235     .Sp
236     Inputting characters appends them to the regex and continues incremental
237     search. \f(CW\*(C`BackSpace\*(C'\fR removes a character from the regex, \f(CW\*(C`Up\*(C'\fR and \f(CW\*(C`Down\*(C'\fR
238     search upwards/downwards in the scrollback buffer, \f(CW\*(C`End\*(C'\fR jumps to the
239     bottom. \f(CW\*(C`Escape\*(C'\fR leaves search mode and returns to the point where search
240     was started, while \f(CW\*(C`Enter\*(C'\fR or \f(CW\*(C`Return\*(C'\fR stay at the current position and
241     additionally stores the first match in the current line into the primary
242     selection.
243 root 1.26 .IP "selection-autotransform" 4
244     .IX Item "selection-autotransform"
245     This selection allows you to do automatic transforms on a selection
246     whenever a selection is made.
247     .Sp
248     It works by specifying perl snippets (most useful is a single \f(CW\*(C`s///\*(C'\fR
249     operator) that modify \f(CW$_\fR as resources:
250     .Sp
251     .Vb 3
252     \& URxvt.selection-autotransform.0: transform
253     \& URxvt.selection-autotransform.1: transform
254     \& ...
255     .Ve
256     .Sp
257     For example, the following will transform selections of the form
258     \&\f(CW\*(C`filename:number\*(C'\fR, often seen in compiler messages, into \f(CW\*(C`vi +$filename
259     $word\*(C'\fR:
260     .Sp
261     .Vb 1
262     \& URxvt.selection-autotransform.0: s/^(\e\eS+):(\e\ed+):?$/vi +$2 \e\eQ$1\e\eE\e\ex0d/
263     .Ve
264     .Sp
265     And this example matches the same,but replaces it with vi-commands you can
266     paste directly into your (vi :) editor:
267     .Sp
268     .Vb 1
269     \& URxvt.selection-autotransform.0: s/^(S+):(d+):?$/\e\ex1b:e \e\eQ$1\e\eE\e\ex0d:$2\e\ex0d/
270     .Ve
271 root 1.27 .Sp
272     Of course, this can be modified to suit your needs and your editor :)
273 root 1.28 .Sp
274     To expand the example above to typical perl error messages (\*(L"\s-1XXX\s0 at
275     \&\s-1FILENAME\s0 line \s-1YYY\s0.\*(R"), you need a slightly more elaborate solution:
276     .Sp
277     .Vb 2
278     \& URxvt.selection.pattern-0: ( at .*? line \e\ed+\e\e.)
279     \& URxvt.selection-autotransform.0: s/^ at (.*?) line (\e\ed+)\e\e.$/\ex1b:e \e\eQ$1\eE\e\ex0d:$2\e\ex0d/
280     .Ve
281     .Sp
282     The first line tells the selection code to treat the unchanging part of
283     every error message as a selection pattern, and the second line transforms
284     the message into vi commands to load the file.
285 root 1.14 .IP "mark-urls" 4
286     .IX Item "mark-urls"
287 root 1.24 Uses per-line display filtering (\f(CW\*(C`on_line_update\*(C'\fR) to underline urls and
288 root 1.25 make them clickable. When middle\-clicked, the program specified in the
289     resource \f(CW\*(C`urlLauncher\*(C'\fR (default \f(CW\*(C`x\-www\-browser\*(C'\fR) will be started with
290     the \s-1URL\s0 as first argument.
291 root 1.14 .IP "block-graphics-to-ascii" 4
292     .IX Item "block-graphics-to-ascii"
293     A not very useful example of filtering all text output to the terminal,
294     by replacing all line-drawing characters (U+2500 .. U+259F) by a
295     similar-looking ascii character.
296 root 1.26 .IP "digital-clock" 4
297     .IX Item "digital-clock"
298     Displays a digital clock using the built-in overlay.
299 root 1.8 .IP "example-refresh-hooks" 4
300     .IX Item "example-refresh-hooks"
301 root 1.6 Displays a very simple digital clock in the upper right corner of the
302     window. Illustrates overwriting the refresh callbacks to create your own
303     overlays or changes.
304 root 1.20 .SH "API DOCUMENTATION"
305     .IX Header "API DOCUMENTATION"
306 root 1.3 .Sh "General \s-1API\s0 Considerations"
307     .IX Subsection "General API Considerations"
308     All objects (such as terminals, time watchers etc.) are typical
309     reference-to-hash objects. The hash can be used to store anything you
310     like. All members starting with an underscore (such as \f(CW\*(C`_ptr\*(C'\fR or
311 root 1.9 \&\f(CW\*(C`_hook\*(C'\fR) are reserved for internal uses and \fB\s-1MUST\s0 \s-1NOT\s0\fR be accessed or
312 root 1.3 modified).
313     .PP
314     When objects are destroyed on the \*(C+ side, the perl object hashes are
315     emptied, so its best to store related objects such as time watchers and
316     the like inside the terminal object so they get destroyed as soon as the
317     terminal is destroyed.
318 root 1.14 .PP
319     Argument names also often indicate the type of a parameter. Here are some
320     hints on what they mean:
321     .IP "$text" 4
322     .IX Item "$text"
323     Rxvt-unicodes special way of encoding text, where one \*(L"unicode\*(R" character
324 root 1.23 always represents one screen cell. See ROW_t for a discussion of this format.
325 root 1.14 .IP "$string" 4
326     .IX Item "$string"
327     A perl text string, with an emphasis on \fItext\fR. It can store all unicode
328     characters and is to be distinguished with text encoded in a specific
329     encoding (often locale\-specific) and binary data.
330     .IP "$octets" 4
331     .IX Item "$octets"
332     Either binary data or \- more common \- a text string encoded in a
333     locale-specific way.
334 root 1.19 .Sh "Extension Objects"
335     .IX Subsection "Extension Objects"
336     Very perl extension is a perl class. A separate perl object is created
337     for each terminal and each extension and passed as the first parameter to
338     hooks. So extensions can use their \f(CW$self\fR object without having to think
339     about other extensions, with the exception of methods and members that
340     begin with an underscore character \f(CW\*(C`_\*(C'\fR: these are reserved for internal
341     use.
342     .PP
343     Although it isn't a \f(CW\*(C`urxvt::term\*(C'\fR object, you can call all methods of the
344     \&\f(CW\*(C`urxvt::term\*(C'\fR class on this object.
345     .PP
346     It has the following methods and data members:
347     .ie n .IP "$urxvt_term = $self\->{term}" 4
348     .el .IP "$urxvt_term = \f(CW$self\fR\->{term}" 4
349     .IX Item "$urxvt_term = $self->{term}"
350     Returns the \f(CW\*(C`urxvt::term\*(C'\fR object associated with this instance of the
351     extension. This member \fImust not\fR be changed in any way.
352     .ie n .IP "$self\->enable ($hook_name => $cb\fR, [$hook_name => \f(CW$cb..])" 4
353     .el .IP "$self\->enable ($hook_name => \f(CW$cb\fR, [$hook_name => \f(CW$cb\fR..])" 4
354     .IX Item "$self->enable ($hook_name => $cb, [$hook_name => $cb..])"
355     Dynamically enable the given hooks (named without the \f(CW\*(C`on_\*(C'\fR prefix) for
356     this extension, replacing any previous hook. This is useful when you want
357     to overwrite time-critical hooks only temporarily.
358     .ie n .IP "$self\->disable ($hook_name[, $hook_name..])" 4
359     .el .IP "$self\->disable ($hook_name[, \f(CW$hook_name\fR..])" 4
360     .IX Item "$self->disable ($hook_name[, $hook_name..])"
361     Dynamically disable the given hooks.
362 root 1.1 .Sh "Hooks"
363     .IX Subsection "Hooks"
364 root 1.14 The following subroutines can be declared in extension files, and will be
365 root 1.9 called whenever the relevant event happens.
366     .PP
367 root 1.19 The first argument passed to them is an extension oject as described in
368     the in the \f(CW\*(C`Extension Objects\*(C'\fR section.
369 root 1.1 .PP
370 root 1.19 \&\fBAll\fR of these hooks must return a boolean value. If it is true, then the
371     event counts as being \fIconsumed\fR, and the invocation of other hooks is
372     skipped, and the relevant action might not be carried out by the \*(C+ code.
373     .PP
374     \&\fIWhen in doubt, return a false value (preferably \f(CI\*(C`()\*(C'\fI).\fR
375 root 1.1 .ie n .IP "on_init $term" 4
376     .el .IP "on_init \f(CW$term\fR" 4
377     .IX Item "on_init $term"
378     Called after a new terminal object has been initialized, but before
379 root 1.14 windows are created or the command gets run. Most methods are unsafe to
380     call or deliver senseless data, as terminal size and other characteristics
381     have not yet been determined. You can safely query and change resources,
382     though.
383 root 1.1 .ie n .IP "on_reset $term" 4
384     .el .IP "on_reset \f(CW$term\fR" 4
385     .IX Item "on_reset $term"
386     Called after the screen is \*(L"reset\*(R" for any reason, such as resizing or
387     control sequences. Here is where you can react on changes to size-related
388     variables.
389     .ie n .IP "on_start $term" 4
390     .el .IP "on_start \f(CW$term\fR" 4
391     .IX Item "on_start $term"
392     Called at the very end of initialisation of a new terminal, just before
393     returning to the mainloop.
394     .ie n .IP "on_sel_make $term\fR, \f(CW$eventtime" 4
395     .el .IP "on_sel_make \f(CW$term\fR, \f(CW$eventtime\fR" 4
396     .IX Item "on_sel_make $term, $eventtime"
397     Called whenever a selection has been made by the user, but before the
398     selection text is copied, so changes to the beginning, end or type of the
399     selection will be honored.
400     .Sp
401     Returning a true value aborts selection making by urxvt, in which case you
402     have to make a selection yourself by calling \f(CW\*(C`$term\->selection_grab\*(C'\fR.
403     .ie n .IP "on_sel_grab $term\fR, \f(CW$eventtime" 4
404     .el .IP "on_sel_grab \f(CW$term\fR, \f(CW$eventtime\fR" 4
405     .IX Item "on_sel_grab $term, $eventtime"
406     Called whenever a selection has been copied, but before the selection is
407     requested from the server. The selection text can be queried and changed
408     by calling \f(CW\*(C`$term\->selection\*(C'\fR.
409     .Sp
410     Returning a true value aborts selection grabbing. It will still be hilighted.
411 root 1.9 .ie n .IP "on_sel_extend $term" 4
412     .el .IP "on_sel_extend \f(CW$term\fR" 4
413     .IX Item "on_sel_extend $term"
414     Called whenever the user tries to extend the selection (e.g. with a double
415     click) and is either supposed to return false (normal operation), or
416     should extend the selection itelf and return true to suppress the built-in
417 root 1.25 processing. This can happen multiple times, as long as the callback
418     returns true, it will be called on every further click by the user and is
419     supposed to enlarge the selection more and more, if possible.
420 root 1.9 .Sp
421     See the \fIselection\fR example extension.
422 root 1.1 .ie n .IP "on_view_change $term\fR, \f(CW$offset" 4
423     .el .IP "on_view_change \f(CW$term\fR, \f(CW$offset\fR" 4
424     .IX Item "on_view_change $term, $offset"
425     Called whenever the view offset changes, i..e the user or program
426     scrolls. Offset \f(CW0\fR means display the normal terminal, positive values
427     show this many lines of scrollback.
428     .ie n .IP "on_scroll_back $term\fR, \f(CW$lines\fR, \f(CW$saved" 4
429     .el .IP "on_scroll_back \f(CW$term\fR, \f(CW$lines\fR, \f(CW$saved\fR" 4
430     .IX Item "on_scroll_back $term, $lines, $saved"
431     Called whenever lines scroll out of the terminal area into the scrollback
432     buffer. \f(CW$lines\fR is the number of lines scrolled out and may be larger
433     than the scroll back buffer or the terminal.
434     .Sp
435     It is called before lines are scrolled out (so rows 0 .. min ($lines \- 1,
436     \&\f(CW$nrow\fR \- 1) represent the lines to be scrolled out). \f(CW$saved\fR is the total
437     number of lines that will be in the scrollback buffer.
438 root 1.11 .ie n .IP "on_osc_seq $term\fR, \f(CW$string" 4
439     .el .IP "on_osc_seq \f(CW$term\fR, \f(CW$string\fR" 4
440     .IX Item "on_osc_seq $term, $string"
441     Called whenever the \fB\s-1ESC\s0 ] 777 ; string \s-1ST\s0\fR command sequence (\s-1OSC\s0 =
442     operating system command) is processed. Cursor position and other state
443     information is up-to-date when this happens. For interoperability, the
444     string should start with the extension name and a colon, to distinguish
445     it from commands for other extensions, and this might be enforced in the
446     future.
447     .Sp
448     Be careful not ever to trust (in a security sense) the data you receive,
449     as its source can not easily be controleld (e\-mail content, messages from
450     other users on the same system etc.).
451 root 1.14 .ie n .IP "on_add_lines $term\fR, \f(CW$string" 4
452     .el .IP "on_add_lines \f(CW$term\fR, \f(CW$string\fR" 4
453     .IX Item "on_add_lines $term, $string"
454     Called whenever text is about to be output, with the text as argument. You
455     can filter/change and output the text yourself by returning a true value
456     and calling \f(CW\*(C`$term\->scr_add_lines\*(C'\fR yourself. Please note that this
457     might be very slow, however, as your hook is called for \fBall\fR text being
458     output.
459 root 1.19 .ie n .IP "on_tt_write $term\fR, \f(CW$octets" 4
460     .el .IP "on_tt_write \f(CW$term\fR, \f(CW$octets\fR" 4
461     .IX Item "on_tt_write $term, $octets"
462     Called whenever some data is written to the tty/pty and can be used to
463     suppress or filter tty input.
464 root 1.14 .ie n .IP "on_line_update $term\fR, \f(CW$row" 4
465     .el .IP "on_line_update \f(CW$term\fR, \f(CW$row\fR" 4
466     .IX Item "on_line_update $term, $row"
467     Called whenever a line was updated or changed. Can be used to filter
468     screen output (e.g. underline urls or other useless stuff). Only lines
469     that are being shown will be filtered, and, due to performance reasons,
470     not always immediately.
471     .Sp
472     The row number is always the topmost row of the line if the line spans
473     multiple rows.
474     .Sp
475     Please note that, if you change the line, then the hook might get called
476     later with the already-modified line (e.g. if unrelated parts change), so
477     you cannot just toggle rendition bits, but only set them.
478 root 1.1 .ie n .IP "on_refresh_begin $term" 4
479     .el .IP "on_refresh_begin \f(CW$term\fR" 4
480     .IX Item "on_refresh_begin $term"
481     Called just before the screen gets redrawn. Can be used for overlay
482     or similar effects by modify terminal contents in refresh_begin, and
483     restoring them in refresh_end. The built-in overlay and selection display
484     code is run after this hook, and takes precedence.
485     .ie n .IP "on_refresh_end $term" 4
486     .el .IP "on_refresh_end \f(CW$term\fR" 4
487     .IX Item "on_refresh_end $term"
488     Called just after the screen gets redrawn. See \f(CW\*(C`on_refresh_begin\*(C'\fR.
489 root 1.5 .ie n .IP "on_keyboard_command $term\fR, \f(CW$string" 4
490     .el .IP "on_keyboard_command \f(CW$term\fR, \f(CW$string\fR" 4
491     .IX Item "on_keyboard_command $term, $string"
492     Called whenever the user presses a key combination that has a
493     \&\f(CW\*(C`perl:string\*(C'\fR action bound to it (see description of the \fBkeysym\fR
494     resource in the @@RXVT_NAME@@(1) manpage).
495 root 1.15 .ie n .IP "on_focus_in $term" 4
496     .el .IP "on_focus_in \f(CW$term\fR" 4
497     .IX Item "on_focus_in $term"
498     Called whenever the window gets the keyboard focus, before rxvt-unicode
499     does focus in processing.
500     .ie n .IP "on_focus_out $term" 4
501     .el .IP "on_focus_out \f(CW$term\fR" 4
502     .IX Item "on_focus_out $term"
503     Called wheneever the window loses keyboard focus, before rxvt-unicode does
504     focus out processing.
505 root 1.19 .ie n .IP "on_key_press $term\fR, \f(CW$event\fR, \f(CW$keysym\fR, \f(CW$octets" 4
506     .el .IP "on_key_press \f(CW$term\fR, \f(CW$event\fR, \f(CW$keysym\fR, \f(CW$octets\fR" 4
507     .IX Item "on_key_press $term, $event, $keysym, $octets"
508 root 1.14 .PD 0
509 root 1.19 .ie n .IP "on_key_release $term\fR, \f(CW$event\fR, \f(CW$keysym" 4
510     .el .IP "on_key_release \f(CW$term\fR, \f(CW$event\fR, \f(CW$keysym\fR" 4
511     .IX Item "on_key_release $term, $event, $keysym"
512 root 1.14 .ie n .IP "on_button_press $term\fR, \f(CW$event" 4
513     .el .IP "on_button_press \f(CW$term\fR, \f(CW$event\fR" 4
514     .IX Item "on_button_press $term, $event"
515     .ie n .IP "on_button_release $term\fR, \f(CW$event" 4
516     .el .IP "on_button_release \f(CW$term\fR, \f(CW$event\fR" 4
517     .IX Item "on_button_release $term, $event"
518     .ie n .IP "on_motion_notify $term\fR, \f(CW$event" 4
519     .el .IP "on_motion_notify \f(CW$term\fR, \f(CW$event\fR" 4
520     .IX Item "on_motion_notify $term, $event"
521 root 1.15 .ie n .IP "on_map_notify $term\fR, \f(CW$event" 4
522     .el .IP "on_map_notify \f(CW$term\fR, \f(CW$event\fR" 4
523     .IX Item "on_map_notify $term, $event"
524     .ie n .IP "on_unmap_notify $term\fR, \f(CW$event" 4
525     .el .IP "on_unmap_notify \f(CW$term\fR, \f(CW$event\fR" 4
526     .IX Item "on_unmap_notify $term, $event"
527 root 1.14 .PD
528     Called whenever the corresponding X event is received for the terminal If
529     the hook returns true, then the even will be ignored by rxvt\-unicode.
530     .Sp
531     The event is a hash with most values as named by Xlib (see the XEvent
532     manpage), with the additional members \f(CW\*(C`row\*(C'\fR and \f(CW\*(C`col\*(C'\fR, which are the row
533     and column under the mouse cursor.
534     .Sp
535     \&\f(CW\*(C`on_key_press\*(C'\fR additionally receives the string rxvt-unicode would
536     output, if any, in locale-specific encoding.
537     .Sp
538     subwindow.
539 root 1.9 .ie n .Sh "Variables in the ""urxvt"" Package"
540     .el .Sh "Variables in the \f(CWurxvt\fP Package"
541     .IX Subsection "Variables in the urxvt Package"
542 root 1.21 .IP "$urxvt::LIBDIR" 4
543     .IX Item "$urxvt::LIBDIR"
544     The rxvt-unicode library directory, where, among other things, the perl
545     modules and scripts are stored.
546     .ie n .IP "$urxvt::RESCLASS, $urxvt::RESCLASS" 4
547     .el .IP "$urxvt::RESCLASS, \f(CW$urxvt::RESCLASS\fR" 4
548     .IX Item "$urxvt::RESCLASS, $urxvt::RESCLASS"
549     The resource class and name rxvt-unicode uses to look up X resources.
550     .IP "$urxvt::RXVTNAME" 4
551     .IX Item "$urxvt::RXVTNAME"
552     The basename of the installed binaries, usually \f(CW\*(C`urxvt\*(C'\fR.
553 root 1.9 .IP "$urxvt::TERM" 4
554     .IX Item "$urxvt::TERM"
555 root 1.14 The current terminal. This variable stores the current \f(CW\*(C`urxvt::term\*(C'\fR
556     object, whenever a callback/hook is executing.
557 root 1.1 .ie n .Sh "Functions in the ""urxvt"" Package"
558     .el .Sh "Functions in the \f(CWurxvt\fP Package"
559     .IX Subsection "Functions in the urxvt Package"
560     .ie n .IP "urxvt::fatal $errormessage" 4
561     .el .IP "urxvt::fatal \f(CW$errormessage\fR" 4
562     .IX Item "urxvt::fatal $errormessage"
563     Fatally aborts execution with the given error message. Avoid at all
564     costs! The only time this is acceptable is when the terminal process
565     starts up.
566     .ie n .IP "urxvt::warn $string" 4
567     .el .IP "urxvt::warn \f(CW$string\fR" 4
568     .IX Item "urxvt::warn $string"
569 root 1.3 Calls \f(CW\*(C`rxvt_warn\*(C'\fR with the given string which should not include a
570 root 1.1 newline. The module also overwrites the \f(CW\*(C`warn\*(C'\fR builtin with a function
571     that calls this function.
572     .Sp
573     Using this function has the advantage that its output ends up in the
574     correct place, e.g. on stderr of the connecting urxvtc client.
575 root 1.22 .Sp
576     Messages have a size limit of 1023 bytes currently.
577 root 1.18 .IP "$is_safe = urxvt::safe" 4
578     .IX Item "$is_safe = urxvt::safe"
579     Returns true when it is safe to do potentially unsafe things, such as
580     evaluating perl code specified by the user. This is true when urxvt was
581     started setuid or setgid.
582 root 1.1 .IP "$time = urxvt::NOW" 4
583     .IX Item "$time = urxvt::NOW"
584     Returns the \*(L"current time\*(R" (as per the event loop).
585 root 1.15 .IP "urxvt::CurrentTime" 4
586     .IX Item "urxvt::CurrentTime"
587     .PD 0
588     .IP "urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, Button4Mask, Button5Mask, AnyModifier" 4
589     .IX Item "urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, Button4Mask, Button5Mask, AnyModifier"
590     .PD
591 root 1.16 Various constants for use in X calls and event processing.
592 root 1.8 .Sh "\s-1RENDITION\s0"
593     .IX Subsection "RENDITION"
594     Rendition bitsets contain information about colour, font, font styles and
595     similar information for each screen cell.
596     .PP
597     The following \*(L"macros\*(R" deal with changes in rendition sets. You should
598     never just create a bitset, you should always modify an existing one,
599     as they contain important information required for correct operation of
600     rxvt\-unicode.
601     .IP "$rend = urxvt::DEFAULT_RSTYLE" 4
602     .IX Item "$rend = urxvt::DEFAULT_RSTYLE"
603     Returns the default rendition, as used when the terminal is starting up or
604     being reset. Useful as a base to start when creating renditions.
605     .IP "$rend = urxvt::OVERLAY_RSTYLE" 4
606     .IX Item "$rend = urxvt::OVERLAY_RSTYLE"
607     Return the rendition mask used for overlays by default.
608     .IP "$rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline" 4
609     .IX Item "$rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline"
610     Return the bit that enabled bold, italic, blink, reverse-video and
611     underline, respectively. To enable such a style, just logically \s-1OR\s0 it into
612     the bitset.
613     .ie n .IP "$foreground = urxvt::GET_BASEFG $rend" 4
614     .el .IP "$foreground = urxvt::GET_BASEFG \f(CW$rend\fR" 4
615     .IX Item "$foreground = urxvt::GET_BASEFG $rend"
616     .PD 0
617     .ie n .IP "$background = urxvt::GET_BASEBG $rend" 4
618     .el .IP "$background = urxvt::GET_BASEBG \f(CW$rend\fR" 4
619     .IX Item "$background = urxvt::GET_BASEBG $rend"
620     .PD
621     Return the foreground/background colour index, respectively.
622 root 1.21 .ie n .IP "$rend = urxvt::SET_FGCOLOR $rend\fR, \f(CW$new_colour" 4
623     .el .IP "$rend = urxvt::SET_FGCOLOR \f(CW$rend\fR, \f(CW$new_colour\fR" 4
624     .IX Item "$rend = urxvt::SET_FGCOLOR $rend, $new_colour"
625 root 1.8 .PD 0
626 root 1.21 .ie n .IP "$rend = urxvt::SET_BGCOLOR $rend\fR, \f(CW$new_colour" 4
627     .el .IP "$rend = urxvt::SET_BGCOLOR \f(CW$rend\fR, \f(CW$new_colour\fR" 4
628     .IX Item "$rend = urxvt::SET_BGCOLOR $rend, $new_colour"
629 root 1.8 .PD
630     Replace the foreground/background colour in the rendition mask with the
631     specified one.
632 root 1.21 .ie n .IP "$value = urxvt::GET_CUSTOM $rend" 4
633     .el .IP "$value = urxvt::GET_CUSTOM \f(CW$rend\fR" 4
634     .IX Item "$value = urxvt::GET_CUSTOM $rend"
635 root 1.8 Return the \*(L"custom\*(R" value: Every rendition has 5 bits for use by
636     extensions. They can be set and changed as you like and are initially
637     zero.
638 root 1.21 .ie n .IP "$rend = urxvt::SET_CUSTOM $rend\fR, \f(CW$new_value" 4
639     .el .IP "$rend = urxvt::SET_CUSTOM \f(CW$rend\fR, \f(CW$new_value\fR" 4
640     .IX Item "$rend = urxvt::SET_CUSTOM $rend, $new_value"
641 root 1.8 Change the custom value.
642 root 1.16 .ie n .Sh "The ""urxvt::anyevent"" Class"
643     .el .Sh "The \f(CWurxvt::anyevent\fP Class"
644     .IX Subsection "The urxvt::anyevent Class"
645     The sole purpose of this class is to deliver an interface to the
646     \&\f(CW\*(C`AnyEvent\*(C'\fR module \- any module using it will work inside urxvt without
647 root 1.21 further programming. The only exception is that you cannot wait on
648     condition variables, but non-blocking condvar use is ok. What this means
649     is that you cannot use blocking APIs, but the non-blocking variant should
650     work.
651 root 1.1 .ie n .Sh "The ""urxvt::term"" Class"
652     .el .Sh "The \f(CWurxvt::term\fP Class"
653     .IX Subsection "The urxvt::term Class"
654 root 1.22 .ie n .IP "$term = new urxvt::term $envhashref\fR, \f(CW$rxvtname, [arg...]" 4
655     .el .IP "$term = new urxvt::term \f(CW$envhashref\fR, \f(CW$rxvtname\fR, [arg...]" 4
656     .IX Item "$term = new urxvt::term $envhashref, $rxvtname, [arg...]"
657     Creates a new terminal, very similar as if you had started it with system
658 root 1.23 \&\f(CW\*(C`$rxvtname, arg...\*(C'\fR. \f(CW$envhashref\fR must be a reference to a \f(CW%ENV\fR\-like
659     hash which defines the environment of the new terminal.
660     .Sp
661     Croaks (and probably outputs an error message) if the new instance
662 root 1.22 couldn't be created. Returns \f(CW\*(C`undef\*(C'\fR if the new instance didn't
663     initialise perl, and the terminal object otherwise. The \f(CW\*(C`init\*(C'\fR and
664     \&\f(CW\*(C`start\*(C'\fR hooks will be called during this call.
665 root 1.14 .IP "$term\->destroy" 4
666     .IX Item "$term->destroy"
667 root 1.21 Destroy the terminal object (close the window, free resources
668     etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
669     watchers (timers, io watchers) are still active.
670 root 1.15 .ie n .IP "$isset = $term\fR\->option ($optval[, \f(CW$set])" 4
671     .el .IP "$isset = \f(CW$term\fR\->option ($optval[, \f(CW$set\fR])" 4
672     .IX Item "$isset = $term->option ($optval[, $set])"
673     Returns true if the option specified by \f(CW$optval\fR is enabled, and
674     optionally change it. All option values are stored by name in the hash
675     \&\f(CW%urxvt::OPTION\fR. Options not enabled in this binary are not in the hash.
676     .Sp
677     Here is a a likely non-exhaustive list of option names, please see the
678     source file \fI/src/optinc.h\fR to see the actual list:
679     .Sp
680     .Vb 6
681     \& borderLess console cursorBlink cursorUnderline hold iconic insecure
682     \& intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
683     \& pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating
684     \& scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer
685     \& secondaryScreen secondaryScroll skipBuiltinGlyphs transparent
686     \& tripleclickwords utmpInhibit visualBell
687     .Ve
688 root 1.2 .ie n .IP "$value = $term\fR\->resource ($name[, \f(CW$newval])" 4
689     .el .IP "$value = \f(CW$term\fR\->resource ($name[, \f(CW$newval\fR])" 4
690     .IX Item "$value = $term->resource ($name[, $newval])"
691     Returns the current resource value associated with a given name and
692     optionally sets a new value. Setting values is most useful in the \f(CW\*(C`init\*(C'\fR
693     hook. Unset resources are returned and accepted as \f(CW\*(C`undef\*(C'\fR.
694     .Sp
695     The new value must be properly encoded to a suitable character encoding
696     before passing it to this method. Similarly, the returned value may need
697     to be converted from the used encoding to text.
698     .Sp
699     Resource names are as defined in \fIsrc/rsinc.h\fR. Colours can be specified
700     as resource names of the form \f(CW\*(C`color+<index>\*(C'\fR, e.g. \f(CW\*(C`color+5\*(C'\fR. (will
701     likely change).
702     .Sp
703     Please note that resource strings will currently only be freed when the
704     terminal is destroyed, so changing options frequently will eat memory.
705     .Sp
706     Here is a a likely non-exhaustive list of resource names, not all of which
707 root 1.15 are supported in every build, please see the source file \fI/src/rsinc.h\fR
708     to see the actual list:
709 root 1.2 .Sp
710     .Vb 12
711     \& answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
712     \& borderLess color cursorBlink cursorUnderline cutchars delete_key
713     \& display_name embed ext_bwidth fade font geometry hold iconName
714     \& imFont imLocale inputMethod insecure int_bwidth intensityStyles
715 root 1.4 \& italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier
716 root 1.12 \& mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2
717 root 1.3 \& perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd
718     \& reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating
719     \& scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput
720     \& scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle
721     \& shade term_name title transparent transparent_all tripleclickwords
722     \& utmpInhibit visualBell
723 root 1.2 .Ve
724 root 1.24 .ie n .IP "$value = $term\->x_resource ($pattern)" 4
725     .el .IP "$value = \f(CW$term\fR\->x_resource ($pattern)" 4
726     .IX Item "$value = $term->x_resource ($pattern)"
727     Returns the X\-Resource for the given pattern, excluding the program or
728     class name, i.e. \f(CW\*(C`$term\->x_resource ("boldFont")\*(C'\fR should return the
729     same value as used by this instance of rxvt\-unicode. Returns \f(CW\*(C`undef\*(C'\fR if no
730     resource with that pattern exists.
731     .Sp
732     This method should only be called during the \f(CW\*(C`on_start\*(C'\fR hook, as there is
733     only one resource database per display, and later invocations might return
734     the wrong resources.
735 root 1.19 .ie n .IP "$success = $term\fR\->parse_keysym ($keysym_spec, \f(CW$command_string)" 4
736     .el .IP "$success = \f(CW$term\fR\->parse_keysym ($keysym_spec, \f(CW$command_string\fR)" 4
737     .IX Item "$success = $term->parse_keysym ($keysym_spec, $command_string)"
738     Adds a keymap translation exactly as specified via a resource. See the
739     \&\f(CW\*(C`keysym\*(C'\fR resource in the @@RXVT_NAME@@(1) manpage.
740 root 1.14 .ie n .IP "$rend = $term\->rstyle ([$new_rstyle])" 4
741     .el .IP "$rend = \f(CW$term\fR\->rstyle ([$new_rstyle])" 4
742     .IX Item "$rend = $term->rstyle ([$new_rstyle])"
743     Return and optionally change the current rendition. Text that is output by
744     the terminal application will use this style.
745 root 1.13 .ie n .IP "($row, $col\fR) = \f(CW$term\fR\->screen_cur ([$row, \f(CW$col])" 4
746     .el .IP "($row, \f(CW$col\fR) = \f(CW$term\fR\->screen_cur ([$row, \f(CW$col\fR])" 4
747     .IX Item "($row, $col) = $term->screen_cur ([$row, $col])"
748     Return the current coordinates of the text cursor position and optionally
749     set it (which is usually bad as applications don't expect that).
750 root 1.1 .ie n .IP "($row, $col\fR) = \f(CW$term\fR\->selection_mark ([$row, \f(CW$col])" 4
751     .el .IP "($row, \f(CW$col\fR) = \f(CW$term\fR\->selection_mark ([$row, \f(CW$col\fR])" 4
752     .IX Item "($row, $col) = $term->selection_mark ([$row, $col])"
753     .PD 0
754     .ie n .IP "($row, $col\fR) = \f(CW$term\fR\->selection_beg ([$row, \f(CW$col])" 4
755     .el .IP "($row, \f(CW$col\fR) = \f(CW$term\fR\->selection_beg ([$row, \f(CW$col\fR])" 4
756     .IX Item "($row, $col) = $term->selection_beg ([$row, $col])"
757     .ie n .IP "($row, $col\fR) = \f(CW$term\fR\->selection_end ([$row, \f(CW$col])" 4
758     .el .IP "($row, \f(CW$col\fR) = \f(CW$term\fR\->selection_end ([$row, \f(CW$col\fR])" 4
759     .IX Item "($row, $col) = $term->selection_end ([$row, $col])"
760     .PD
761     Return the current values of the selection mark, begin or end positions,
762     and optionally set them to new values.
763 root 1.25 .ie n .IP "$term\->selection_make ($eventtime[, $rectangular])" 4
764     .el .IP "$term\->selection_make ($eventtime[, \f(CW$rectangular\fR])" 4
765     .IX Item "$term->selection_make ($eventtime[, $rectangular])"
766     Tries to make a selection as set by \f(CW\*(C`selection_beg\*(C'\fR and
767     \&\f(CW\*(C`selection_end\*(C'\fR. If \f(CW$rectangular\fR is true (default: false), a
768     rectangular selection will be made. This is the prefered function to make
769     a selection.
770 root 1.1 .ie n .IP "$success = $term\->selection_grab ($eventtime)" 4
771     .el .IP "$success = \f(CW$term\fR\->selection_grab ($eventtime)" 4
772     .IX Item "$success = $term->selection_grab ($eventtime)"
773 root 1.25 Try to request the primary selection text from the server (for example, as
774     set by the next method). No visual feedback will be given. This function
775     is mostly useful from within \f(CW\*(C`on_sel_grab\*(C'\fR hooks.
776 root 1.1 .ie n .IP "$oldtext = $term\->selection ([$newtext])" 4
777     .el .IP "$oldtext = \f(CW$term\fR\->selection ([$newtext])" 4
778     .IX Item "$oldtext = $term->selection ([$newtext])"
779     Return the current selection text and optionally replace it by \f(CW$newtext\fR.
780 root 1.19 .ie n .IP "$term\->overlay_simple ($x, $y\fR, \f(CW$text)" 4
781     .el .IP "$term\->overlay_simple ($x, \f(CW$y\fR, \f(CW$text\fR)" 4
782     .IX Item "$term->overlay_simple ($x, $y, $text)"
783     Create a simple multi-line overlay box. See the next method for details.
784 root 1.8 .ie n .IP "$term\->overlay ($x, $y\fR, \f(CW$width\fR, \f(CW$height\fR[, \f(CW$rstyle\fR[, \f(CW$border]])" 4
785     .el .IP "$term\->overlay ($x, \f(CW$y\fR, \f(CW$width\fR, \f(CW$height\fR[, \f(CW$rstyle\fR[, \f(CW$border\fR]])" 4
786     .IX Item "$term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])"
787 root 1.1 Create a new (empty) overlay at the given position with the given
788 root 1.8 width/height. \f(CW$rstyle\fR defines the initial rendition style
789     (default: \f(CW\*(C`OVERLAY_RSTYLE\*(C'\fR).
790     .Sp
791     If \f(CW$border\fR is \f(CW2\fR (default), then a decorative border will be put
792     around the box.
793     .Sp
794     If either \f(CW$x\fR or \f(CW$y\fR is negative, then this is counted from the
795     right/bottom side, respectively.
796     .Sp
797     This method returns an urxvt::overlay object. The overlay will be visible
798     as long as the perl object is referenced.
799     .Sp
800 root 1.9 The methods currently supported on \f(CW\*(C`urxvt::overlay\*(C'\fR objects are:
801     .RS 4
802 root 1.8 .ie n .IP "$overlay\->set ($x, $y\fR, \f(CW$text\fR, \f(CW$rend)" 4
803     .el .IP "$overlay\->set ($x, \f(CW$y\fR, \f(CW$text\fR, \f(CW$rend\fR)" 4
804     .IX Item "$overlay->set ($x, $y, $text, $rend)"
805     Similar to \f(CW\*(C`$term\->ROW_t\*(C'\fR and \f(CW\*(C`$term\->ROW_r\*(C'\fR in that it puts
806     text in rxvt\-unicode's special encoding and an array of rendition values
807     at a specific position inside the overlay.
808 root 1.9 .IP "$overlay\->hide" 4
809     .IX Item "$overlay->hide"
810     If visible, hide the overlay, but do not destroy it.
811     .IP "$overlay\->show" 4
812     .IX Item "$overlay->show"
813     If hidden, display the overlay again.
814     .RE
815     .RS 4
816     .RE
817 root 1.15 .ie n .IP "$popup = $term\->popup ($event)" 4
818     .el .IP "$popup = \f(CW$term\fR\->popup ($event)" 4
819     .IX Item "$popup = $term->popup ($event)"
820     Creates a new \f(CW\*(C`urxvt::popup\*(C'\fR object that implements a popup menu. The
821     \&\f(CW$event\fR \fImust\fR be the event causing the menu to pop up (a button event,
822     currently).
823 root 1.14 .ie n .IP "$cellwidth = $term\->strwidth ($string)" 4
824     .el .IP "$cellwidth = \f(CW$term\fR\->strwidth ($string)" 4
825     .IX Item "$cellwidth = $term->strwidth ($string)"
826 root 1.3 Returns the number of screen-cells this string would need. Correctly
827     accounts for wide and combining characters.
828 root 1.14 .ie n .IP "$octets = $term\->locale_encode ($string)" 4
829     .el .IP "$octets = \f(CW$term\fR\->locale_encode ($string)" 4
830     .IX Item "$octets = $term->locale_encode ($string)"
831 root 1.3 Convert the given text string into the corresponding locale encoding.
832 root 1.14 .ie n .IP "$string = $term\->locale_decode ($octets)" 4
833     .el .IP "$string = \f(CW$term\fR\->locale_decode ($octets)" 4
834     .IX Item "$string = $term->locale_decode ($octets)"
835 root 1.3 Convert the given locale-encoded octets into a perl string.
836 root 1.19 .ie n .IP "$term\->scr_xor_span ($beg_row, $beg_col\fR, \f(CW$end_row\fR, \f(CW$end_col\fR[, \f(CW$rstyle])" 4
837     .el .IP "$term\->scr_xor_span ($beg_row, \f(CW$beg_col\fR, \f(CW$end_row\fR, \f(CW$end_col\fR[, \f(CW$rstyle\fR])" 4
838     .IX Item "$term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])"
839     XORs the rendition values in the given span with the provided value
840 root 1.25 (default: \f(CW\*(C`RS_RVid\*(C'\fR), which \fI\s-1MUST\s0 \s-1NOT\s0\fR contain font styles. Useful in
841     refresh hooks to provide effects similar to the selection.
842 root 1.19 .ie n .IP "$term\->scr_xor_rect ($beg_row, $beg_col\fR, \f(CW$end_row\fR, \f(CW$end_col\fR[, \f(CW$rstyle1\fR[, \f(CW$rstyle2]])" 4
843     .el .IP "$term\->scr_xor_rect ($beg_row, \f(CW$beg_col\fR, \f(CW$end_row\fR, \f(CW$end_col\fR[, \f(CW$rstyle1\fR[, \f(CW$rstyle2\fR]])" 4
844     .IX Item "$term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])"
845     Similar to \f(CW\*(C`scr_xor_span\*(C'\fR, but xors a rectangle instead. Trailing
846     whitespace will additionally be xored with the \f(CW$rstyle2\fR, which defaults
847     to \f(CW\*(C`RS_RVid | RS_Uline\*(C'\fR, which removes reverse video again and underlines
848 root 1.25 it instead. Both styles \fI\s-1MUST\s0 \s-1NOT\s0\fR contain font styles.
849 root 1.19 .IP "$term\->scr_bell" 4
850     .IX Item "$term->scr_bell"
851     Ring the bell!
852 root 1.14 .IP "$term\->scr_add_lines ($string)" 4
853     .IX Item "$term->scr_add_lines ($string)"
854     Write the given text string to the screen, as if output by the application
855     running inside the terminal. It may not contain command sequences (escape
856     codes), but is free to use line feeds, carriage returns and tabs. The
857     string is a normal text string, not in locale-dependent encoding.
858     .Sp
859     Normally its not a good idea to use this function, as programs might be
860     confused by changes in cursor position or scrolling. Its useful inside a
861     \&\f(CW\*(C`on_add_lines\*(C'\fR hook, though.
862     .IP "$term\->cmd_parse ($octets)" 4
863     .IX Item "$term->cmd_parse ($octets)"
864     Similar to \f(CW\*(C`scr_add_lines\*(C'\fR, but the argument must be in the
865     locale-specific encoding of the terminal and can contain command sequences
866     (escape codes) that will be interpreted.
867 root 1.3 .IP "$term\->tt_write ($octets)" 4
868     .IX Item "$term->tt_write ($octets)"
869     Write the octets given in \f(CW$data\fR to the tty (i.e. as program input). To
870 root 1.6 pass characters instead of octets, you should convert your strings first
871     to the locale-specific encoding using \f(CW\*(C`$term\->locale_encode\*(C'\fR.
872 root 1.19 .ie n .IP "$old_events = $term\->pty_ev_events ([$new_events])" 4
873     .el .IP "$old_events = \f(CW$term\fR\->pty_ev_events ([$new_events])" 4
874     .IX Item "$old_events = $term->pty_ev_events ([$new_events])"
875     Replaces the event mask of the pty watcher by the given event mask. Can
876     be used to suppress input and output handling to the pty/tty. See the
877     description of \f(CW\*(C`urxvt::timer\->events\*(C'\fR. Make sure to always restore
878     the previous value.
879 root 1.14 .ie n .IP "$windowid = $term\->parent" 4
880     .el .IP "$windowid = \f(CW$term\fR\->parent" 4
881     .IX Item "$windowid = $term->parent"
882     Return the window id of the toplevel window.
883     .ie n .IP "$windowid = $term\->vt" 4
884     .el .IP "$windowid = \f(CW$term\fR\->vt" 4
885     .IX Item "$windowid = $term->vt"
886     Return the window id of the terminal window.
887 root 1.13 .ie n .IP "$window_width = $term\->width" 4
888     .el .IP "$window_width = \f(CW$term\fR\->width" 4
889     .IX Item "$window_width = $term->width"
890 root 1.6 .PD 0
891 root 1.13 .ie n .IP "$window_height = $term\->height" 4
892     .el .IP "$window_height = \f(CW$term\fR\->height" 4
893     .IX Item "$window_height = $term->height"
894     .ie n .IP "$font_width = $term\->fwidth" 4
895     .el .IP "$font_width = \f(CW$term\fR\->fwidth" 4
896     .IX Item "$font_width = $term->fwidth"
897     .ie n .IP "$font_height = $term\->fheight" 4
898     .el .IP "$font_height = \f(CW$term\fR\->fheight" 4
899     .IX Item "$font_height = $term->fheight"
900     .ie n .IP "$font_ascent = $term\->fbase" 4
901     .el .IP "$font_ascent = \f(CW$term\fR\->fbase" 4
902     .IX Item "$font_ascent = $term->fbase"
903     .ie n .IP "$terminal_rows = $term\->nrow" 4
904     .el .IP "$terminal_rows = \f(CW$term\fR\->nrow" 4
905     .IX Item "$terminal_rows = $term->nrow"
906     .ie n .IP "$terminal_columns = $term\->ncol" 4
907     .el .IP "$terminal_columns = \f(CW$term\fR\->ncol" 4
908     .IX Item "$terminal_columns = $term->ncol"
909     .ie n .IP "$has_focus = $term\->focus" 4
910     .el .IP "$has_focus = \f(CW$term\fR\->focus" 4
911     .IX Item "$has_focus = $term->focus"
912     .ie n .IP "$is_mapped = $term\->mapped" 4
913     .el .IP "$is_mapped = \f(CW$term\fR\->mapped" 4
914     .IX Item "$is_mapped = $term->mapped"
915     .ie n .IP "$max_scrollback = $term\->saveLines" 4
916     .el .IP "$max_scrollback = \f(CW$term\fR\->saveLines" 4
917     .IX Item "$max_scrollback = $term->saveLines"
918     .ie n .IP "$nrow_plus_saveLines = $term\->total_rows" 4
919     .el .IP "$nrow_plus_saveLines = \f(CW$term\fR\->total_rows" 4
920     .IX Item "$nrow_plus_saveLines = $term->total_rows"
921     .ie n .IP "$lines_in_scrollback = $term\->nsaved" 4
922     .el .IP "$lines_in_scrollback = \f(CW$term\fR\->nsaved" 4
923     .IX Item "$lines_in_scrollback = $term->nsaved"
924 root 1.6 .PD
925 root 1.13 Return various integers describing terminal characteristics.
926 root 1.22 .ie n .IP "$x_display = $term\->display_id" 4
927     .el .IP "$x_display = \f(CW$term\fR\->display_id" 4
928     .IX Item "$x_display = $term->display_id"
929     Return the \s-1DISPLAY\s0 used by rxvt\-unicode.
930 root 1.19 .ie n .IP "$lc_ctype = $term\->locale" 4
931     .el .IP "$lc_ctype = \f(CW$term\fR\->locale" 4
932     .IX Item "$lc_ctype = $term->locale"
933     Returns the \s-1LC_CTYPE\s0 category string used by this rxvt\-unicode.
934 root 1.22 .ie n .IP "$env = $term\->env" 4
935     .el .IP "$env = \f(CW$term\fR\->env" 4
936     .IX Item "$env = $term->env"
937     Returns a copy of the environment in effect for the terminal as a hashref
938     similar to \f(CW\*(C`\e%ENV\*(C'\fR.
939 root 1.15 .ie n .IP "$modifiermask = $term\->ModLevel3Mask" 4
940     .el .IP "$modifiermask = \f(CW$term\fR\->ModLevel3Mask" 4
941     .IX Item "$modifiermask = $term->ModLevel3Mask"
942     .PD 0
943     .ie n .IP "$modifiermask = $term\->ModMetaMask" 4
944     .el .IP "$modifiermask = \f(CW$term\fR\->ModMetaMask" 4
945     .IX Item "$modifiermask = $term->ModMetaMask"
946     .ie n .IP "$modifiermask = $term\->ModNumLockMask" 4
947     .el .IP "$modifiermask = \f(CW$term\fR\->ModNumLockMask" 4
948     .IX Item "$modifiermask = $term->ModNumLockMask"
949     .PD
950     Return the modifier masks corresponding to the \*(L"\s-1ISO\s0 Level 3 Shift\*(R" (often
951     AltGr), the meta key (often Alt) and the num lock key, if applicable.
952 root 1.6 .ie n .IP "$view_start = $term\->view_start ([$newvalue])" 4
953     .el .IP "$view_start = \f(CW$term\fR\->view_start ([$newvalue])" 4
954     .IX Item "$view_start = $term->view_start ([$newvalue])"
955     Returns the negative row number of the topmost line. Minimum value is
956     \&\f(CW0\fR, which displays the normal terminal contents. Larger values scroll
957     this many lines into the scrollback buffer.
958     .IP "$term\->want_refresh" 4
959     .IX Item "$term->want_refresh"
960     Requests a screen refresh. At the next opportunity, rxvt-unicode will
961     compare the on-screen display with its stored representation. If they
962     differ, it redraws the differences.
963     .Sp
964     Used after changing terminal contents to display them.
965     .ie n .IP "$text = $term\fR\->ROW_t ($row_number[, \f(CW$new_text\fR[, \f(CW$start_col]])" 4
966     .el .IP "$text = \f(CW$term\fR\->ROW_t ($row_number[, \f(CW$new_text\fR[, \f(CW$start_col\fR]])" 4
967     .IX Item "$text = $term->ROW_t ($row_number[, $new_text[, $start_col]])"
968     Returns the text of the entire row with number \f(CW$row_number\fR. Row \f(CW0\fR
969     is the topmost terminal line, row \f(CW\*(C`$term\->$ncol\-1\*(C'\fR is the bottommost
970     terminal line. The scrollback buffer starts at line \f(CW\*(C`\-1\*(C'\fR and extends to
971 root 1.9 line \f(CW\*(C`\-$term\->nsaved\*(C'\fR. Nothing will be returned if a nonexistent line
972     is requested.
973 root 1.6 .Sp
974     If \f(CW$new_text\fR is specified, it will replace characters in the current
975     line, starting at column \f(CW$start_col\fR (default \f(CW0\fR), which is useful
976 root 1.8 to replace only parts of a line. The font index in the rendition will
977 root 1.6 automatically be updated.
978     .Sp
979     \&\f(CW$text\fR is in a special encoding: tabs and wide characters that use more
980     than one cell when displayed are padded with urxvt::NOCHAR characters
981     (\f(CW\*(C`chr 65535\*(C'\fR). Characters with combining characters and other characters
982     that do not fit into the normal tetx encoding will be replaced with
983     characters in the private use area.
984     .Sp
985     You have to obey this encoding when changing text. The advantage is
986     that \f(CW\*(C`substr\*(C'\fR and similar functions work on screen cells and not on
987     characters.
988     .Sp
989     The methods \f(CW\*(C`$term\->special_encode\*(C'\fR and \f(CW\*(C`$term\->special_decode\*(C'\fR
990     can be used to convert normal strings into this encoding and vice versa.
991     .ie n .IP "$rend = $term\fR\->ROW_r ($row_number[, \f(CW$new_rend\fR[, \f(CW$start_col]])" 4
992     .el .IP "$rend = \f(CW$term\fR\->ROW_r ($row_number[, \f(CW$new_rend\fR[, \f(CW$start_col\fR]])" 4
993     .IX Item "$rend = $term->ROW_r ($row_number[, $new_rend[, $start_col]])"
994     Like \f(CW\*(C`$term\->ROW_t\*(C'\fR, but returns an arrayref with rendition
995     bitsets. Rendition bitsets contain information about colour, font, font
996     styles and similar information. See also \f(CW\*(C`$term\->ROW_t\*(C'\fR.
997     .Sp
998     When setting rendition, the font mask will be ignored.
999     .Sp
1000 root 1.8 See the section on \s-1RENDITION\s0, above.
1001 root 1.6 .ie n .IP "$length = $term\fR\->ROW_l ($row_number[, \f(CW$new_length])" 4
1002     .el .IP "$length = \f(CW$term\fR\->ROW_l ($row_number[, \f(CW$new_length\fR])" 4
1003     .IX Item "$length = $term->ROW_l ($row_number[, $new_length])"
1004 root 1.9 Returns the number of screen cells that are in use (\*(L"the line
1005     length\*(R"). Unlike the urxvt core, this returns \f(CW\*(C`$term\->ncol\*(C'\fR if the
1006     line is joined with the following one.
1007     .ie n .IP "$bool = $term\->is_longer ($row_number)" 4
1008     .el .IP "$bool = \f(CW$term\fR\->is_longer ($row_number)" 4
1009     .IX Item "$bool = $term->is_longer ($row_number)"
1010     Returns true if the row is part of a multiple-row logical \*(L"line\*(R" (i.e.
1011     joined with the following row), which means all characters are in use
1012     and it is continued on the next row (and possibly a continuation of the
1013     previous row(s)).
1014     .ie n .IP "$line = $term\->line ($row_number)" 4
1015     .el .IP "$line = \f(CW$term\fR\->line ($row_number)" 4
1016     .IX Item "$line = $term->line ($row_number)"
1017     Create and return a new \f(CW\*(C`urxvt::line\*(C'\fR object that stores information
1018     about the logical line that row \f(CW$row_number\fR is part of. It supports the
1019     following methods:
1020     .RS 4
1021 root 1.14 .ie n .IP "$text = $line\->t ([$new_text])" 4
1022     .el .IP "$text = \f(CW$line\fR\->t ([$new_text])" 4
1023     .IX Item "$text = $line->t ([$new_text])"
1024     Returns or replaces the full text of the line, similar to \f(CW\*(C`ROW_t\*(C'\fR
1025     .ie n .IP "$rend = $line\->r ([$new_rend])" 4
1026     .el .IP "$rend = \f(CW$line\fR\->r ([$new_rend])" 4
1027     .IX Item "$rend = $line->r ([$new_rend])"
1028     Returns or replaces the full rendition array of the line, similar to \f(CW\*(C`ROW_r\*(C'\fR
1029 root 1.9 .ie n .IP "$length = $line\->l" 4
1030     .el .IP "$length = \f(CW$line\fR\->l" 4
1031     .IX Item "$length = $line->l"
1032     Returns the length of the line in cells, similar to \f(CW\*(C`ROW_l\*(C'\fR.
1033     .ie n .IP "$rownum = $line\->beg" 4
1034     .el .IP "$rownum = \f(CW$line\fR\->beg" 4
1035     .IX Item "$rownum = $line->beg"
1036     .PD 0
1037     .ie n .IP "$rownum = $line\->end" 4
1038     .el .IP "$rownum = \f(CW$line\fR\->end" 4
1039     .IX Item "$rownum = $line->end"
1040     .PD
1041     Return the row number of the first/last row of the line, respectively.
1042     .ie n .IP "$offset = $line\fR\->offset_of ($row, \f(CW$col)" 4
1043     .el .IP "$offset = \f(CW$line\fR\->offset_of ($row, \f(CW$col\fR)" 4
1044     .IX Item "$offset = $line->offset_of ($row, $col)"
1045     Returns the character offset of the given row|col pair within the logical
1046 root 1.25 line. Works for rows outside the line, too, and returns corresponding
1047     offsets outside the string.
1048 root 1.9 .ie n .IP "($row, $col\fR) = \f(CW$line\->coord_of ($offset)" 4
1049     .el .IP "($row, \f(CW$col\fR) = \f(CW$line\fR\->coord_of ($offset)" 4
1050     .IX Item "($row, $col) = $line->coord_of ($offset)"
1051     Translates a string offset into terminal coordinates again.
1052     .RE
1053     .RS 4
1054     .RE
1055 root 1.17 .ie n .IP "$text = $term\fR\->special_encode \f(CW$string" 4
1056     .el .IP "$text = \f(CW$term\fR\->special_encode \f(CW$string\fR" 4
1057     .IX Item "$text = $term->special_encode $string"
1058 root 1.6 Converts a perl string into the special encoding used by rxvt\-unicode,
1059     where one character corresponds to one screen cell. See
1060     \&\f(CW\*(C`$term\->ROW_t\*(C'\fR for details.
1061     .ie n .IP "$string = $term\fR\->special_decode \f(CW$text" 4
1062     .el .IP "$string = \f(CW$term\fR\->special_decode \f(CW$text\fR" 4
1063     .IX Item "$string = $term->special_decode $text"
1064     Converts rxvt-unicodes text reprsentation into a perl string. See
1065     \&\f(CW\*(C`$term\->ROW_t\*(C'\fR for details.
1066 root 1.17 .ie n .IP "$success = $term\fR\->grab_button ($button, \f(CW$modifiermask)" 4
1067     .el .IP "$success = \f(CW$term\fR\->grab_button ($button, \f(CW$modifiermask\fR)" 4
1068     .IX Item "$success = $term->grab_button ($button, $modifiermask)"
1069 root 1.18 Registers a synchronous button grab. See the XGrabButton manpage.
1070 root 1.17 .ie n .IP "$success = $term\fR\->grab ($eventtime[, \f(CW$sync])" 4
1071     .el .IP "$success = \f(CW$term\fR\->grab ($eventtime[, \f(CW$sync\fR])" 4
1072     .IX Item "$success = $term->grab ($eventtime[, $sync])"
1073     Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1074     synchronous (\f(CW$sync\fR is true). Also remembers the grab timestampe.
1075     .IP "$term\->allow_events_async" 4
1076     .IX Item "$term->allow_events_async"
1077     Calls XAllowEvents with AsyncBoth for the most recent grab.
1078     .IP "$term\->allow_events_sync" 4
1079     .IX Item "$term->allow_events_sync"
1080     Calls XAllowEvents with SyncBoth for the most recent grab.
1081     .IP "$term\->allow_events_replay" 4
1082     .IX Item "$term->allow_events_replay"
1083     Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1084     recent grab.
1085     .IP "$term\->ungrab" 4
1086     .IX Item "$term->ungrab"
1087     Calls XUngrab for the most recent grab. Is called automatically on
1088     evaluation errors, as it is better to lose the grab in the error case as
1089     the session.
1090 root 1.15 .ie n .Sh "The ""urxvt::popup"" Class"
1091     .el .Sh "The \f(CWurxvt::popup\fP Class"
1092     .IX Subsection "The urxvt::popup Class"
1093 root 1.21 .IP "$popup\->add_title ($title)" 4
1094     .IX Item "$popup->add_title ($title)"
1095     Adds a non-clickable title to the popup.
1096     .IP "$popup\->add_separator ([$sepchr])" 4
1097     .IX Item "$popup->add_separator ([$sepchr])"
1098     Creates a separator, optionally using the character given as \f(CW$sepchr\fR.
1099     .ie n .IP "$popup\->add_button ($text, $cb)" 4
1100     .el .IP "$popup\->add_button ($text, \f(CW$cb\fR)" 4
1101     .IX Item "$popup->add_button ($text, $cb)"
1102     Adds a clickable button to the popup. \f(CW$cb\fR is called whenever it is
1103     selected.
1104     .ie n .IP "$popup\->add_toggle ($text, $cb\fR, \f(CW$initial_value)" 4
1105     .el .IP "$popup\->add_toggle ($text, \f(CW$cb\fR, \f(CW$initial_value\fR)" 4
1106     .IX Item "$popup->add_toggle ($text, $cb, $initial_value)"
1107     Adds a toggle/checkbox item to the popup. Teh callback gets called
1108     whenever it gets toggled, with a boolean indicating its value as its first
1109     argument.
1110     .IP "$popup\->show" 4
1111     .IX Item "$popup->show"
1112     Displays the popup (which is initially hidden).
1113 root 1.1 .ie n .Sh "The ""urxvt::timer"" Class"
1114     .el .Sh "The \f(CWurxvt::timer\fP Class"
1115     .IX Subsection "The urxvt::timer Class"
1116     This class implements timer watchers/events. Time is represented as a
1117     fractional number of seconds since the epoch. Example:
1118 root 1.23 .PP
1119 root 1.8 .Vb 8
1120     \& $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0);
1121 root 1.1 \& $term->{timer} = urxvt::timer
1122     \& ->new
1123 root 1.8 \& ->interval (1)
1124 root 1.1 \& ->cb (sub {
1125 root 1.8 \& $term->{overlay}->set (0, 0,
1126     \& sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1127 root 1.1 \& });
1128     .Ve
1129     .IP "$timer = new urxvt::timer" 4
1130     .IX Item "$timer = new urxvt::timer"
1131 root 1.8 Create a new timer object in started state. It is scheduled to fire
1132     immediately.
1133 root 1.1 .ie n .IP "$timer = $timer\fR\->cb (sub { my ($timer) = \f(CW@_; ... })" 4
1134     .el .IP "$timer = \f(CW$timer\fR\->cb (sub { my ($timer) = \f(CW@_\fR; ... })" 4
1135     .IX Item "$timer = $timer->cb (sub { my ($timer) = @_; ... })"
1136     Set the callback to be called when the timer triggers.
1137     .ie n .IP "$tstamp = $timer\->at" 4
1138     .el .IP "$tstamp = \f(CW$timer\fR\->at" 4
1139     .IX Item "$tstamp = $timer->at"
1140     Return the time this watcher will fire next.
1141     .ie n .IP "$timer = $timer\->set ($tstamp)" 4
1142     .el .IP "$timer = \f(CW$timer\fR\->set ($tstamp)" 4
1143     .IX Item "$timer = $timer->set ($tstamp)"
1144     Set the time the event is generated to \f(CW$tstamp\fR.
1145 root 1.8 .ie n .IP "$timer = $timer\->interval ($interval)" 4
1146     .el .IP "$timer = \f(CW$timer\fR\->interval ($interval)" 4
1147     .IX Item "$timer = $timer->interval ($interval)"
1148     Normally (and when \f(CW$interval\fR is \f(CW0\fR), the timer will automatically
1149     stop after it has fired once. If \f(CW$interval\fR is non\-zero, then the timer
1150     is automatically rescheduled at the given intervals.
1151 root 1.1 .ie n .IP "$timer = $timer\->start" 4
1152     .el .IP "$timer = \f(CW$timer\fR\->start" 4
1153     .IX Item "$timer = $timer->start"
1154     Start the timer.
1155     .ie n .IP "$timer = $timer\->start ($tstamp)" 4
1156     .el .IP "$timer = \f(CW$timer\fR\->start ($tstamp)" 4
1157     .IX Item "$timer = $timer->start ($tstamp)"
1158     Set the event trigger time to \f(CW$tstamp\fR and start the timer.
1159     .ie n .IP "$timer = $timer\->stop" 4
1160     .el .IP "$timer = \f(CW$timer\fR\->stop" 4
1161     .IX Item "$timer = $timer->stop"
1162     Stop the timer.
1163     .ie n .Sh "The ""urxvt::iow"" Class"
1164     .el .Sh "The \f(CWurxvt::iow\fP Class"
1165     .IX Subsection "The urxvt::iow Class"
1166     This class implements io watchers/events. Example:
1167 root 1.23 .PP
1168 root 1.1 .Vb 12
1169     \& $term->{socket} = ...
1170     \& $term->{iow} = urxvt::iow
1171     \& ->new
1172     \& ->fd (fileno $term->{socket})
1173 root 1.19 \& ->events (urxvt::EVENT_READ)
1174 root 1.1 \& ->start
1175     \& ->cb (sub {
1176     \& my ($iow, $revents) = @_;
1177     \& # $revents must be 1 here, no need to check
1178     \& sysread $term->{socket}, my $buf, 8192
1179     \& or end-of-file;
1180     \& });
1181     .Ve
1182     .IP "$iow = new urxvt::iow" 4
1183     .IX Item "$iow = new urxvt::iow"
1184     Create a new io watcher object in stopped state.
1185     .ie n .IP "$iow = $iow\fR\->cb (sub { my ($iow, \f(CW$reventmask\fR) = \f(CW@_; ... })" 4
1186     .el .IP "$iow = \f(CW$iow\fR\->cb (sub { my ($iow, \f(CW$reventmask\fR) = \f(CW@_\fR; ... })" 4
1187     .IX Item "$iow = $iow->cb (sub { my ($iow, $reventmask) = @_; ... })"
1188     Set the callback to be called when io events are triggered. \f(CW$reventmask\fR
1189     is a bitset as described in the \f(CW\*(C`events\*(C'\fR method.
1190     .ie n .IP "$iow = $iow\->fd ($fd)" 4
1191     .el .IP "$iow = \f(CW$iow\fR\->fd ($fd)" 4
1192     .IX Item "$iow = $iow->fd ($fd)"
1193     Set the filedescriptor (not handle) to watch.
1194     .ie n .IP "$iow = $iow\->events ($eventmask)" 4
1195     .el .IP "$iow = \f(CW$iow\fR\->events ($eventmask)" 4
1196     .IX Item "$iow = $iow->events ($eventmask)"
1197 root 1.19 Set the event mask to watch. The only allowed values are
1198     \&\f(CW\*(C`urxvt::EVENT_READ\*(C'\fR and \f(CW\*(C`urxvt::EVENT_WRITE\*(C'\fR, which might be ORed
1199     together, or \f(CW\*(C`urxvt::EVENT_NONE\*(C'\fR.
1200 root 1.1 .ie n .IP "$iow = $iow\->start" 4
1201     .el .IP "$iow = \f(CW$iow\fR\->start" 4
1202     .IX Item "$iow = $iow->start"
1203     Start watching for requested events on the given handle.
1204     .ie n .IP "$iow = $iow\->stop" 4
1205     .el .IP "$iow = \f(CW$iow\fR\->stop" 4
1206     .IX Item "$iow = $iow->stop"
1207     Stop watching for events on the given filehandle.
1208 root 1.2 .SH "ENVIRONMENT"
1209     .IX Header "ENVIRONMENT"
1210     .Sh "\s-1URXVT_PERL_VERBOSITY\s0"
1211     .IX Subsection "URXVT_PERL_VERBOSITY"
1212     This variable controls the verbosity level of the perl extension. Higher
1213     numbers indicate more verbose output.
1214 root 1.17 .IP "== 0 \- fatal messages" 4
1215     .IX Item "== 0 - fatal messages"
1216 root 1.2 .PD 0
1217 root 1.17 .IP ">= 3 \- script loading and management" 4
1218     .IX Item ">= 3 - script loading and management"
1219 root 1.25 .IP ">=10 \- all called hooks" 4
1220     .IX Item ">=10 - all called hooks"
1221     .IP ">=11 \- hook reutrn values" 4
1222     .IX Item ">=11 - hook reutrn values"
1223 root 1.2 .PD
1224 root 1.1 .SH "AUTHOR"
1225     .IX Header "AUTHOR"
1226     .Vb 2
1227     \& Marc Lehmann <pcg@goof.com>
1228     \& http://software.schmorp.de/pkg/rxvt-unicode
1229     .Ve