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Revision 1.39 by root, Mon Feb 6 05:55:33 2006 UTC

12 # start a rxvt using it: 12 # start a rxvt using it:
13 13
14 rxvt --perl-lib $HOME -pe grab_test 14 rxvt --perl-lib $HOME -pe grab_test
15 15
16DESCRIPTION 16DESCRIPTION
17 Everytime a terminal object gets created, scripts specified via the 17 Everytime a terminal object gets created, extension scripts specified
18 "perl" resource are loaded and associated with it. 18 via the "perl" resource are loaded and associated with it.
19 19
20 Scripts are compiled in a 'use strict' and 'use utf8' environment, and 20 Scripts are compiled in a 'use strict' and 'use utf8' environment, and
21 thus must be encoded as UTF-8. 21 thus must be encoded as UTF-8.
22 22
23 Each script will only ever be loaded once, even in rxvtd, where scripts 23 Each script will only ever be loaded once, even in rxvtd, where scripts
24 will be shared (But not enabled) for all terminals. 24 will be shared (but not enabled) for all terminals.
25 25
26PREPACKAGED EXTENSIONS
27 This section describes the extensions delivered with this release. You
28 can find them in /opt/rxvt/lib/urxvt/perl/.
29
30 You can activate them like this:
31
32 rxvt -pe <extensionname>
33
34 Or by adding them to the resource for extensions loaded by default:
35
36 URxvt.perl-ext-common: default,automove-background,selection-autotransform
37
38 selection (enabled by default)
39 (More) intelligent selection. This extension tries to be more
40 intelligent when the user extends selections (double-click and
41 further clicks). Right now, it tries to select words, urls and
42 complete shell-quoted arguments, which is very convenient, too, if
43 your ls supports "--quoting-style=shell".
44
45 A double-click usually selects the word under the cursor, further
46 clicks will enlarge the selection.
47
48 The selection works by trying to match a number of regexes and
49 displaying them in increasing order of length. You can add your own
50 regexes by specifying resources of the form:
51
52 URxvt.selection.pattern-0: perl-regex
53 URxvt.selection.pattern-1: perl-regex
54 ...
55
56 The index number (0, 1...) must not have any holes, and each regex
57 must contain at least one pair of capturing parentheses, which will
58 be used for the match. For example, the followign adds a regex that
59 matches everything between two vertical bars:
60
61 URxvt.selection.pattern-0: \\|([^|]+)\\|
62
63 Another example: Programs I use often output "absolute path: " at
64 the beginning of a line when they process multiple files. The
65 following pattern matches the filename (note, there is a single
66 space at the very end):
67
68 URxvt.selection.pattern-0: ^(/[^:]+):\
69
70 You can look at the source of the selection extension to see more
71 interesting uses, such as parsing a line from beginning to end.
72
73 This extension also offers following bindable keyboard commands:
74
75 rot13
76 Rot-13 the selection when activated. Used via keyboard trigger:
77
78 URxvt.keysym.C-M-r: perl:selection:rot13
79
80 option-popup (enabled by default)
81 Binds a popup menu to Ctrl-Button2 that lets you toggle (some)
82 options at runtime.
83
84 selection-popup (enabled by default)
85 Binds a popup menu to Ctrl-Button3 that lets you convert the
86 selection text into various other formats/action (such as uri
87 unescaping, perl evaluation, web-browser starting etc.), depending
88 on content.
89
90 Other extensions can extend this popup menu by pushing a code
91 reference onto "@{ $term-"{selection_popup_hook} }>, that is called
92 whenever the popup is displayed.
93
94 It's sole argument is the popup menu, which can be modified. The
95 selection is in $_, which can be used to decide wether to add
96 something or not. It should either return nothing or a string and a
97 code reference. The string will be used as button text and the code
98 reference will be called when the button gets activated and should
99 transform $_.
100
101 The following will add an entry "a to b" that transforms all "a"s in
102 the selection to "b"s, but only if the selection currently contains
103 any "a"s:
104
105 push @{ $self->{term}{selection_popup_hook} }, sub {
106 /a/ ? ("a to be" => sub { s/a/b/g }
107 : ()
108 };
109
110 searchable-scrollback<hotkey> (enabled by default)
111 Adds regex search functionality to the scrollback buffer, triggered
112 by a hotkey (default: "M-s"). While in search mode, normal terminal
113 input/output is suspended and a regex is displayed at the bottom of
114 the screen.
115
116 Inputting characters appends them to the regex and continues
117 incremental search. "BackSpace" removes a character from the regex,
118 "Up" and "Down" search upwards/downwards in the scrollback buffer,
119 "End" jumps to the bottom. "Escape" leaves search mode and returns
120 to the point where search was started, while "Enter" or "Return"
121 stay at the current position and additionally stores the first match
122 in the current line into the primary selection.
123
124 readline (enabled by default)
125 A support package that tries to make editing with readline easier.
126 At the moment, it reacts to clicking with the left mouse button by
127 trying to move the text cursor to this position. It does so by
128 generating as many cursor-left or cursor-right keypresses as
129 required (the this only works for programs that correctly support
130 wide characters).
131
132 To avoid too many false positives, this is only done when:
133
134 - the tty is in ICANON state.
135 - the text cursor is visible.
136 - the primary screen is currently being displayed.
137 - the mouse is on the same (multi-row-) line as the text cursor.
138
139 The normal selection mechanism isn't disabled, so quick successive
140 clicks might interfere with selection creation in harmless ways.
141
142 selection-autotransform
143 This selection allows you to do automatic transforms on a selection
144 whenever a selection is made.
145
146 It works by specifying perl snippets (most useful is a single "s///"
147 operator) that modify $_ as resources:
148
149 URxvt.selection-autotransform.0: transform
150 URxvt.selection-autotransform.1: transform
151 ...
152
153 For example, the following will transform selections of the form
154 "filename:number", often seen in compiler messages, into "vi
155 +$filename $word":
156
157 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
158
159 And this example matches the same,but replaces it with vi-commands
160 you can paste directly into your (vi :) editor:
161
162 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
163
164 Of course, this can be modified to suit your needs and your editor
165 :)
166
167 To expand the example above to typical perl error messages ("XXX at
168 FILENAME line YYY."), you need a slightly more elaborate solution:
169
170 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
171 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
172
173 The first line tells the selection code to treat the unchanging part
174 of every error message as a selection pattern, and the second line
175 transforms the message into vi commands to load the file.
176
177 tabbed
178 This transforms the terminal into a tabbar with additional
179 terminals, that is, it implements what is commonly refered to as
180 "tabbed terminal". The topmost line displays a "[NEW]" button,
181 which, when clicked, will add a new tab, followed by one button per
182 tab.
183
184 Clicking a button will activate that tab. Pressing Shift-Left and
185 Shift-Right will switch to the tab left or right of the current one,
186 while Shift-Down creates a new tab.
187
188 The tabbar itself can be configured similarly to a normal terminal,
189 but with a resource class of "URxvt.tabbed". In addition, it
190 supports the following four resources (shown with defaults):
191
192 URxvt.tabbed.tabbar-fg: <colour-index, default 3>
193 URxvt.tabbed.tabbar-bg: <colour-index, default 0>
194 URxvt.tabbed.tab-fg: <colour-index, default 0>
195 URxvt.tabbed.tab-bg: <colour-index, default 1>
196
197 See *COLOR AND GRAPHICS* in the rxvt(1) manpage for valid indices.
198
199 mark-urls
200 Uses per-line display filtering ("on_line_update") to underline urls
201 and make them clickable. When middle-clicked, the program specified
202 in the resource "urlLauncher" (default "x-www-browser") will be
203 started with the URL as first argument.
204
205 xim-onthespot
206 This (experimental) perl extension implements OnTheSpot editing. It
207 does not work perfectly, and some input methods don't seem to work
208 well with OnTheSpot editing in general, but it seems to work at
209 leats for SCIM and kinput2.
210
211 You enable it by specifying this extension and a preedit style of
212 "OnTheSpot", i.e.:
213
214 rxvt -pt OnTheSpot -pe xim-onthespot
215
216 automove-background
217 This is basically a one-line extension that dynamically changes the
218 background pixmap offset to the window position, in effect creating
219 the same effect as pseudo transparency with a custom pixmap. No
220 scaling is supported in this mode. Exmaple:
221
222 rxvt -pixmap background.xpm -pe automove-background
223
224 block-graphics-to-ascii
225 A not very useful example of filtering all text output to the
226 terminal, by replacing all line-drawing characters (U+2500 ..
227 U+259F) by a similar-looking ascii character.
228
229 digital-clock
230 Displays a digital clock using the built-in overlay.
231
232 remote-clipboard
233 Somewhat of a misnomer, this extension adds two menu entries to the
234 selection popup that allows one ti run external commands to store
235 the selection somewhere and fetch it again.
236
237 We use it to implement a "distributed selection mechanism", which
238 just means that one command uploads the file to a remote server, and
239 another reads it.
240
241 The commands can be set using the "URxvt.remote-selection.store" and
242 "URxvt.remote-selection.fetch" resources. The first should read the
243 selection to store from STDIN (always in UTF-8), the second should
244 provide the selection data on STDOUT (also in UTF-8).
245
246 The defaults (which are likely useless to you) use rsh and cat:
247
248 URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
249 URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
250
251 selection-pastebin
252 This is a little rarely useful extension that Uploads the selection
253 as textfile to a remote site (or does other things). (The
254 implementation is not currently secure for use in a multiuser
255 environment as it writes to /tmp directly.).
256
257 It listens to the "selection-pastebin:remote-pastebin" keyboard
258 command, i.e.
259
260 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
261
262 Pressing this combination runs a command with "%" replaced by the
263 name of the textfile. This command can be set via a resource:
264
265 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
266
267 And the default is likely not useful to anybody but the few people
268 around here :)
269
270 The name of the textfile is the hex encoded md5 sum of the
271 selection, so the same content should lead to the same filename.
272
273 After a successful upload the selection will be replaced by the text
274 given in the "selection-pastebin-url" resource (again, the % is the
275 placeholder for the filename):
276
277 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
278
279 example-refresh-hooks
280 Displays a very simple digital clock in the upper right corner of
281 the window. Illustrates overwriting the refresh callbacks to create
282 your own overlays or changes.
283
284API DOCUMENTATION
26 General API Considerations 285 General API Considerations
27 All objects (such as terminals, time watchers etc.) are typical 286 All objects (such as terminals, time watchers etc.) are typical
28 reference-to-hash objects. The hash can be used to store anything you 287 reference-to-hash objects. The hash can be used to store anything you
29 like. All members starting with an underscore (such as "_ptr" or 288 like. All members starting with an underscore (such as "_ptr" or
30 "_hook") are reserved for internal uses and must not be accessed or 289 "_hook") are reserved for internal uses and MUST NOT be accessed or
31 modified). 290 modified).
32 291
33 When objects are destroyed on the C++ side, the perl object hashes are 292 When objects are destroyed on the C++ side, the perl object hashes are
34 emptied, so its best to store related objects such as time watchers and 293 emptied, so its best to store related objects such as time watchers and
35 the like inside the terminal object so they get destroyed as soon as the 294 the like inside the terminal object so they get destroyed as soon as the
36 terminal is destroyed. 295 terminal is destroyed.
37 296
297 Argument names also often indicate the type of a parameter. Here are
298 some hints on what they mean:
299
300 $text
301 Rxvt-unicodes special way of encoding text, where one "unicode"
302 character always represents one screen cell. See ROW_t for a
303 discussion of this format.
304
305 $string
306 A perl text string, with an emphasis on *text*. It can store all
307 unicode characters and is to be distinguished with text encoded in a
308 specific encoding (often locale-specific) and binary data.
309
310 $octets
311 Either binary data or - more common - a text string encoded in a
312 locale-specific way.
313
314 Extension Objects
315 Very perl extension is a perl class. A separate perl object is created
316 for each terminal and each extension and passed as the first parameter
317 to hooks. So extensions can use their $self object without having to
318 think about other extensions, with the exception of methods and members
319 that begin with an underscore character "_": these are reserved for
320 internal use.
321
322 Although it isn't a "urxvt::term" object, you can call all methods of
323 the "urxvt::term" class on this object.
324
325 It has the following methods and data members:
326
327 $urxvt_term = $self->{term}
328 Returns the "urxvt::term" object associated with this instance of
329 the extension. This member *must not* be changed in any way.
330
331 $self->enable ($hook_name => $cb, [$hook_name => $cb..])
332 Dynamically enable the given hooks (named without the "on_" prefix)
333 for this extension, replacing any previous hook. This is useful when
334 you want to overwrite time-critical hooks only temporarily.
335
336 $self->disable ($hook_name[, $hook_name..])
337 Dynamically disable the given hooks.
338
38 Hooks 339 Hooks
39 The following subroutines can be declared in loaded scripts, and will be 340 The following subroutines can be declared in extension files, and will
40 called whenever the relevant event happens. 341 be called whenever the relevant event happens.
41 342
42 All of them must return a boolean value. If it is true, then the event 343 The first argument passed to them is an extension oject as described in
43 counts as being *consumed*, and the invocation of other hooks is 344 the in the "Extension Objects" section.
345
346 All of these hooks must return a boolean value. If any of the called
347 hooks returns true, then the event counts as being *consumed*, and the
44 skipped, and the relevant action might not be carried out by the C++ 348 relevant action might not be carried out by the C++ code.
45 code.
46 349
47 When in doubt, return a false value (preferably "()"). 350 *When in doubt, return a false value (preferably "()").*
48 351
49 on_init $term 352 on_init $term
50 Called after a new terminal object has been initialized, but before 353 Called after a new terminal object has been initialized, but before
51 windows are created or the command gets run. 354 windows are created or the command gets run. Most methods are unsafe
355 to call or deliver senseless data, as terminal size and other
356 characteristics have not yet been determined. You can safely query
357 and change resources and options, though. For many purposes the
358 "on_start" hook is a better place.
359
360 on_start $term
361 Called at the very end of initialisation of a new terminal, just
362 before trying to map (display) the toplevel and returning to the
363 mainloop.
364
365 on_destroy $term
366 Called whenever something tries to destroy terminal, when the
367 terminal is still fully functional (not for long, though).
52 368
53 on_reset $term 369 on_reset $term
54 Called after the screen is "reset" for any reason, such as resizing 370 Called after the screen is "reset" for any reason, such as resizing
55 or control sequences. Here is where you can react on changes to 371 or control sequences. Here is where you can react on changes to
56 size-related variables. 372 size-related variables.
57 373
58 on_start $term 374 on_child_start $term, $pid
59 Called at the very end of initialisation of a new terminal, just 375 Called just after the child process has been "fork"ed.
60 before returning to the mainloop. 376
377 on_child_exit $term, $status
378 Called just after the child process has exited. $status is the
379 status from "waitpid".
61 380
62 on_sel_make $term, $eventtime 381 on_sel_make $term, $eventtime
63 Called whenever a selection has been made by the user, but before 382 Called whenever a selection has been made by the user, but before
64 the selection text is copied, so changes to the beginning, end or 383 the selection text is copied, so changes to the beginning, end or
65 type of the selection will be honored. 384 type of the selection will be honored.
74 queried and changed by calling "$term->selection". 393 queried and changed by calling "$term->selection".
75 394
76 Returning a true value aborts selection grabbing. It will still be 395 Returning a true value aborts selection grabbing. It will still be
77 hilighted. 396 hilighted.
78 397
79 on_focus_in $term 398 on_sel_extend $term
80 Called whenever the window gets the keyboard focus, before urxvt 399 Called whenever the user tries to extend the selection (e.g. with a
81 does focus in processing. 400 double click) and is either supposed to return false (normal
401 operation), or should extend the selection itelf and return true to
402 suppress the built-in processing. This can happen multiple times, as
403 long as the callback returns true, it will be called on every
404 further click by the user and is supposed to enlarge the selection
405 more and more, if possible.
82 406
83 on_focus_out $term 407 See the selection example extension.
84 Called wheneever the window loses keyboard focus, before urxvt does
85 focus out processing.
86 408
87 on_view_change $term, $offset 409 on_view_change $term, $offset
88 Called whenever the view offset changes, i..e the user or program 410 Called whenever the view offset changes, i..e the user or program
89 scrolls. Offset 0 means display the normal terminal, positive values 411 scrolls. Offset 0 means display the normal terminal, positive values
90 show this many lines of scrollback. 412 show this many lines of scrollback.
96 418
97 It is called before lines are scrolled out (so rows 0 .. min ($lines 419 It is called before lines are scrolled out (so rows 0 .. min ($lines
98 - 1, $nrow - 1) represent the lines to be scrolled out). $saved is 420 - 1, $nrow - 1) represent the lines to be scrolled out). $saved is
99 the total number of lines that will be in the scrollback buffer. 421 the total number of lines that will be in the scrollback buffer.
100 422
101 on_tty_activity $term *NYI* 423 on_osc_seq $term, $string
102 Called whenever the program(s) running in the urxvt window send 424 Called whenever the ESC ] 777 ; string ST command sequence (OSC =
103 output. 425 operating system command) is processed. Cursor position and other
426 state information is up-to-date when this happens. For
427 interoperability, the string should start with the extension name
428 and a colon, to distinguish it from commands for other extensions,
429 and this might be enforced in the future.
430
431 Be careful not ever to trust (in a security sense) the data you
432 receive, as its source can not easily be controleld (e-mail content,
433 messages from other users on the same system etc.).
434
435 on_add_lines $term, $string
436 Called whenever text is about to be output, with the text as
437 argument. You can filter/change and output the text yourself by
438 returning a true value and calling "$term->scr_add_lines" yourself.
439 Please note that this might be very slow, however, as your hook is
440 called for all text being output.
441
442 on_tt_write $term, $octets
443 Called whenever some data is written to the tty/pty and can be used
444 to suppress or filter tty input.
445
446 on_line_update $term, $row
447 Called whenever a line was updated or changed. Can be used to filter
448 screen output (e.g. underline urls or other useless stuff). Only
449 lines that are being shown will be filtered, and, due to performance
450 reasons, not always immediately.
451
452 The row number is always the topmost row of the line if the line
453 spans multiple rows.
454
455 Please note that, if you change the line, then the hook might get
456 called later with the already-modified line (e.g. if unrelated parts
457 change), so you cannot just toggle rendition bits, but only set
458 them.
104 459
105 on_refresh_begin $term 460 on_refresh_begin $term
106 Called just before the screen gets redrawn. Can be used for overlay 461 Called just before the screen gets redrawn. Can be used for overlay
107 or similar effects by modify terminal contents in refresh_begin, and 462 or similar effects by modify terminal contents in refresh_begin, and
108 restoring them in refresh_end. The built-in overlay and selection 463 restoring them in refresh_end. The built-in overlay and selection
109 display code is run after this hook, and takes precedence. 464 display code is run after this hook, and takes precedence.
110 465
111 on_refresh_end $term 466 on_refresh_end $term
112 Called just after the screen gets redrawn. See "on_refresh_begin". 467 Called just after the screen gets redrawn. See "on_refresh_begin".
113 468
114 on_keyboard_command $term, $string 469 on_user_command $term, $string
115 Called whenever the user presses a key combination that has a 470 Called whenever the a user-configured event is being activated (e.g.
116 "perl:string" action bound to it (see description of the keysym 471 via a "perl:string" action bound to a key, see description of the
117 resource in the rxvt(1) manpage). 472 keysym resource in the rxvt(1) manpage).
473
474 The event is simply the action string. This interface is assumed to
475 change slightly in the future.
476
477 on_x_event $term, $event
478 Called on every X event received on the vt window (and possibly
479 other windows). Should only be used as a last resort. Most event
480 structure members are not passed.
481
482 on_focus_in $term
483 Called whenever the window gets the keyboard focus, before
484 rxvt-unicode does focus in processing.
485
486 on_focus_out $term
487 Called wheneever the window loses keyboard focus, before
488 rxvt-unicode does focus out processing.
489
490 on_configure_notify $term, $event
491 on_property_notify $term, $event
492 on_key_press $term, $event, $keysym, $octets
493 on_key_release $term, $event, $keysym
494 on_button_press $term, $event
495 on_button_release $term, $event
496 on_motion_notify $term, $event
497 on_map_notify $term, $event
498 on_unmap_notify $term, $event
499 Called whenever the corresponding X event is received for the
500 terminal If the hook returns true, then the even will be ignored by
501 rxvt-unicode.
502
503 The event is a hash with most values as named by Xlib (see the
504 XEvent manpage), with the additional members "row" and "col", which
505 are the (real, not screen-based) row and column under the mouse
506 cursor.
507
508 "on_key_press" additionally receives the string rxvt-unicode would
509 output, if any, in locale-specific encoding.
510
511 subwindow.
512
513 on_client_message $term, $event
514 on_wm_protocols $term, $event
515 on_wm_delete_window $term, $event
516 Called when various types of ClientMessage events are received (all
517 with format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
518
519 Variables in the "urxvt" Package
520 $urxvt::LIBDIR
521 The rxvt-unicode library directory, where, among other things, the
522 perl modules and scripts are stored.
523
524 $urxvt::RESCLASS, $urxvt::RESCLASS
525 The resource class and name rxvt-unicode uses to look up X
526 resources.
527
528 $urxvt::RXVTNAME
529 The basename of the installed binaries, usually "urxvt".
530
531 $urxvt::TERM
532 The current terminal. This variable stores the current "urxvt::term"
533 object, whenever a callback/hook is executing.
534
535 @urxvt::TERM_INIT
536 All coderefs in this array will be called as methods of the next
537 newly created "urxvt::term" object (during the "on_init" phase). The
538 array gets cleared before the codereferences that were in it are
539 being executed, so coderefs can push themselves onto it again if
540 they so desire.
541
542 This complements to the perl-eval commandline option, but gets
543 executed first.
544
545 @urxvt::TERM_EXT
546 Works similar to @TERM_INIT, but contains perl package/class names,
547 which get registered as normal extensions after calling the hooks in
548 @TERM_INIT but before other extensions. Gets cleared just like
549 @TERM_INIT.
118 550
119 Functions in the "urxvt" Package 551 Functions in the "urxvt" Package
120 urxvt::fatal $errormessage 552 urxvt::fatal $errormessage
121 Fatally aborts execution with the given error message. Avoid at all 553 Fatally aborts execution with the given error message. Avoid at all
122 costs! The only time this is acceptable is when the terminal process 554 costs! The only time this is acceptable is when the terminal process
128 function that calls this function. 560 function that calls this function.
129 561
130 Using this function has the advantage that its output ends up in the 562 Using this function has the advantage that its output ends up in the
131 correct place, e.g. on stderr of the connecting urxvtc client. 563 correct place, e.g. on stderr of the connecting urxvtc client.
132 564
565 Messages have a size limit of 1023 bytes currently.
566
567 @terms = urxvt::termlist
568 Returns all urxvt::term objects that exist in this process,
569 regardless of wether they are started, being destroyed etc., so be
570 careful. Only term objects that have perl extensions attached will
571 be returned (because there is no urxvt::term objet associated with
572 others).
573
133 $time = urxvt::NOW 574 $time = urxvt::NOW
134 Returns the "current time" (as per the event loop). 575 Returns the "current time" (as per the event loop).
135 576
577 urxvt::CurrentTime
578 urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, Mod3Mask,
579 Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, Button4Mask,
580 Button5Mask, AnyModifier
581 urxvt::NoEventMask, KeyPressMask, KeyReleaseMask, ButtonPressMask,
582 ButtonReleaseMask, EnterWindowMask, LeaveWindowMask, PointerMotionMask,
583 PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
584 Button3MotionMask, Button4MotionMask, Button5MotionMask,
585 ButtonMotionMask, KeymapStateMask, ExposureMask, VisibilityChangeMask,
586 StructureNotifyMask, ResizeRedirectMask, SubstructureNotifyMask,
587 SubstructureRedirectMask, FocusChangeMask, PropertyChangeMask,
588 ColormapChangeMask, OwnerGrabButtonMask
589 urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
590 EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
591 GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
592 UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
593 ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
594 CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
595 SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
596 Various constants for use in X calls and event processing.
597
598 RENDITION
599 Rendition bitsets contain information about colour, font, font styles
600 and similar information for each screen cell.
601
602 The following "macros" deal with changes in rendition sets. You should
603 never just create a bitset, you should always modify an existing one, as
604 they contain important information required for correct operation of
605 rxvt-unicode.
606
607 $rend = urxvt::DEFAULT_RSTYLE
608 Returns the default rendition, as used when the terminal is starting
609 up or being reset. Useful as a base to start when creating
610 renditions.
611
612 $rend = urxvt::OVERLAY_RSTYLE
613 Return the rendition mask used for overlays by default.
614
615 $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
616 Return the bit that enabled bold, italic, blink, reverse-video and
617 underline, respectively. To enable such a style, just logically OR
618 it into the bitset.
619
620 $foreground = urxvt::GET_BASEFG $rend
621 $background = urxvt::GET_BASEBG $rend
622 Return the foreground/background colour index, respectively.
623
624 $rend = urxvt::SET_FGCOLOR $rend, $new_colour
625 $rend = urxvt::SET_BGCOLOR $rend, $new_colour
626 $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
627 Replace the foreground/background colour in the rendition mask with
628 the specified one.
629
630 $value = urxvt::GET_CUSTOM $rend
631 Return the "custom" value: Every rendition has 5 bits for use by
632 extensions. They can be set and changed as you like and are
633 initially zero.
634
635 $rend = urxvt::SET_CUSTOM $rend, $new_value
636 Change the custom value.
637
638 The "urxvt::anyevent" Class
639 The sole purpose of this class is to deliver an interface to the
640 "AnyEvent" module - any module using it will work inside urxvt without
641 further programming. The only exception is that you cannot wait on
642 condition variables, but non-blocking condvar use is ok. What this means
643 is that you cannot use blocking APIs, but the non-blocking variant
644 should work.
645
136 The "urxvt::term" Class 646 The "urxvt::term" Class
647 $term = new urxvt::term $envhashref, $rxvtname, [arg...]
648 Creates a new terminal, very similar as if you had started it with
649 system "$rxvtname, arg...". $envhashref must be a reference to a
650 %ENV-like hash which defines the environment of the new terminal.
651
652 Croaks (and probably outputs an error message) if the new instance
653 couldn't be created. Returns "undef" if the new instance didn't
654 initialise perl, and the terminal object otherwise. The "init" and
655 "start" hooks will be called before this call returns, and are free
656 to refer to global data (which is race free).
657
658 $term->destroy
659 Destroy the terminal object (close the window, free resources etc.).
660 Please note that rxvt will not exit as long as any event watchers
661 (timers, io watchers) are still active.
662
663 $term->exec_async ($cmd[, @args])
664 Works like the combination of the "fork"/"exec" builtins, which
665 executes ("starts") programs in the background. This function takes
666 care of setting the user environment before exec'ing the command
667 (e.g. "PATH") and should be preferred over explicit calls to "exec"
668 or "system".
669
670 Returns the pid of the subprocess or "undef" on error.
671
672 $isset = $term->option ($optval[, $set])
673 Returns true if the option specified by $optval is enabled, and
674 optionally change it. All option values are stored by name in the
675 hash %urxvt::OPTION. Options not enabled in this binary are not in
676 the hash.
677
678 Here is a a likely non-exhaustive list of option names, please see
679 the source file /src/optinc.h to see the actual list:
680
681 borderLess console cursorBlink cursorUnderline hold iconic insecure
682 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
683 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
684 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
685 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
686 transparent tripleclickwords utmpInhibit visualBell
687
137 $value = $term->resource ($name[, $newval]) 688 $value = $term->resource ($name[, $newval])
138 Returns the current resource value associated with a given name and 689 Returns the current resource value associated with a given name and
139 optionally sets a new value. Setting values is most useful in the 690 optionally sets a new value. Setting values is most useful in the
140 "init" hook. Unset resources are returned and accepted as "undef". 691 "init" hook. Unset resources are returned and accepted as "undef".
141 692
150 Please note that resource strings will currently only be freed when 701 Please note that resource strings will currently only be freed when
151 the terminal is destroyed, so changing options frequently will eat 702 the terminal is destroyed, so changing options frequently will eat
152 memory. 703 memory.
153 704
154 Here is a a likely non-exhaustive list of resource names, not all of 705 Here is a a likely non-exhaustive list of resource names, not all of
155 which are supported in every build, please see the source to see the 706 which are supported in every build, please see the source file
156 actual list: 707 /src/rsinc.h to see the actual list:
157 708
158 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 709 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
159 borderLess color cursorBlink cursorUnderline cutchars delete_key 710 borderLess color cursorBlink cursorUnderline cutchars delete_key
160 display_name embed ext_bwidth fade font geometry hold iconName 711 display_name embed ext_bwidth fade font geometry hold iconName
161 imFont imLocale inputMethod insecure int_bwidth intensityStyles 712 imFont imLocale inputMethod insecure int_bwidth intensityStyles
162 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 713 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
163 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext 714 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
164 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 715 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
165 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 716 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
166 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 717 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
167 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 718 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
719 secondaryScreen secondaryScroll selectstyle shade term_name title
168 shade term_name title transparent transparent_all tripleclickwords 720 transient_for transparent transparent_all tripleclickwords utmpInhibit
169 utmpInhibit visualBell 721 visualBell
722
723 $value = $term->x_resource ($pattern)
724 Returns the X-Resource for the given pattern, excluding the program
725 or class name, i.e. "$term->x_resource ("boldFont")" should return
726 the same value as used by this instance of rxvt-unicode. Returns
727 "undef" if no resource with that pattern exists.
728
729 This method should only be called during the "on_start" hook, as
730 there is only one resource database per display, and later
731 invocations might return the wrong resources.
732
733 $success = $term->parse_keysym ($keysym_spec, $command_string)
734 Adds a keymap translation exactly as specified via a resource. See
735 the "keysym" resource in the rxvt(1) manpage.
736
737 $rend = $term->rstyle ([$new_rstyle])
738 Return and optionally change the current rendition. Text that is
739 output by the terminal application will use this style.
740
741 ($row, $col) = $term->screen_cur ([$row, $col])
742 Return the current coordinates of the text cursor position and
743 optionally set it (which is usually bad as applications don't expect
744 that).
170 745
171 ($row, $col) = $term->selection_mark ([$row, $col]) 746 ($row, $col) = $term->selection_mark ([$row, $col])
172 ($row, $col) = $term->selection_beg ([$row, $col]) 747 ($row, $col) = $term->selection_beg ([$row, $col])
173 ($row, $col) = $term->selection_end ([$row, $col]) 748 ($row, $col) = $term->selection_end ([$row, $col])
174 Return the current values of the selection mark, begin or end 749 Return the current values of the selection mark, begin or end
175 positions, and optionally set them to new values. 750 positions, and optionally set them to new values.
176 751
752 $term->selection_make ($eventtime[, $rectangular])
753 Tries to make a selection as set by "selection_beg" and
754 "selection_end". If $rectangular is true (default: false), a
755 rectangular selection will be made. This is the prefered function to
756 make a selection.
757
177 $success = $term->selection_grab ($eventtime) 758 $success = $term->selection_grab ($eventtime)
178 Try to request the primary selection from the server (for example, 759 Try to request the primary selection text from the server (for
179 as set by the next method). 760 example, as set by the next method). No visual feedback will be
761 given. This function is mostly useful from within "on_sel_grab"
762 hooks.
180 763
181 $oldtext = $term->selection ([$newtext]) 764 $oldtext = $term->selection ([$newtext])
182 Return the current selection text and optionally replace it by 765 Return the current selection text and optionally replace it by
183 $newtext. 766 $newtext.
184 767
185 $term->scr_overlay ($x, $y, $text) 768 $term->overlay_simple ($x, $y, $text)
186 Create a simple multi-line overlay box. See the next method for 769 Create a simple multi-line overlay box. See the next method for
187 details. 770 details.
188 771
189 $term->scr_overlay_new ($x, $y, $width, $height) 772 $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
190 Create a new (empty) overlay at the given position with the given 773 Create a new (empty) overlay at the given position with the given
191 width/height. A border will be put around the box. If either $x or 774 width/height. $rstyle defines the initial rendition style (default:
775 "OVERLAY_RSTYLE").
776
777 If $border is 2 (default), then a decorative border will be put
778 around the box.
779
192 $y is negative, then this is counted from the right/bottom side, 780 If either $x or $y is negative, then this is counted from the
193 respectively. 781 right/bottom side, respectively.
194 782
195 $term->scr_overlay_off 783 This method returns an urxvt::overlay object. The overlay will be
196 Switch the overlay off again. 784 visible as long as the perl object is referenced.
197 785
198 $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE) 786 The methods currently supported on "urxvt::overlay" objects are:
199 Put a single character (specified numerically) at the given overlay
200 position.
201 787
202 $term->scr_overlay_set ($x, $y, $text) 788 $overlay->set ($x, $y, $text, $rend)
203 Write a string at the given position into the overlay. 789 Similar to "$term->ROW_t" and "$term->ROW_r" in that it puts
790 text in rxvt-unicode's special encoding and an array of
791 rendition values at a specific position inside the overlay.
204 792
793 $overlay->hide
794 If visible, hide the overlay, but do not destroy it.
795
796 $overlay->show
797 If hidden, display the overlay again.
798
799 $popup = $term->popup ($event)
800 Creates a new "urxvt::popup" object that implements a popup menu.
801 The $event *must* be the event causing the menu to pop up (a button
802 event, currently).
803
205 $cellwidth = $term->strwidth $string 804 $cellwidth = $term->strwidth ($string)
206 Returns the number of screen-cells this string would need. Correctly 805 Returns the number of screen-cells this string would need. Correctly
207 accounts for wide and combining characters. 806 accounts for wide and combining characters.
208 807
209 $octets = $term->locale_encode $string 808 $octets = $term->locale_encode ($string)
210 Convert the given text string into the corresponding locale 809 Convert the given text string into the corresponding locale
211 encoding. 810 encoding.
212 811
213 $string = $term->locale_decode $octets 812 $string = $term->locale_decode ($octets)
214 Convert the given locale-encoded octets into a perl string. 813 Convert the given locale-encoded octets into a perl string.
814
815 $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
816 XORs the rendition values in the given span with the provided value
817 (default: "RS_RVid"), which *MUST NOT* contain font styles. Useful
818 in refresh hooks to provide effects similar to the selection.
819
820 $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[,
821 $rstyle2]])
822 Similar to "scr_xor_span", but xors a rectangle instead. Trailing
823 whitespace will additionally be xored with the $rstyle2, which
824 defaults to "RS_RVid | RS_Uline", which removes reverse video again
825 and underlines it instead. Both styles *MUST NOT* contain font
826 styles.
827
828 $term->scr_bell
829 Ring the bell!
830
831 $term->scr_add_lines ($string)
832 Write the given text string to the screen, as if output by the
833 application running inside the terminal. It may not contain command
834 sequences (escape codes), but is free to use line feeds, carriage
835 returns and tabs. The string is a normal text string, not in
836 locale-dependent encoding.
837
838 Normally its not a good idea to use this function, as programs might
839 be confused by changes in cursor position or scrolling. Its useful
840 inside a "on_add_lines" hook, though.
841
842 $term->scr_change_screen ($screen)
843 Switch to given screen - 0 primary, 1 secondary.
844
845 $term->cmd_parse ($octets)
846 Similar to "scr_add_lines", but the argument must be in the
847 locale-specific encoding of the terminal and can contain command
848 sequences (escape codes) that will be interpreted.
215 849
216 $term->tt_write ($octets) 850 $term->tt_write ($octets)
217 Write the octets given in $data to the tty (i.e. as program input). 851 Write the octets given in $data to the tty (i.e. as program input).
218 To pass characters instead of octets, you should convetr you strings 852 To pass characters instead of octets, you should convert your
219 first to the locale-specific encoding using "$term->locale_encode". 853 strings first to the locale-specific encoding using
854 "$term->locale_encode".
855
856 $old_events = $term->pty_ev_events ([$new_events])
857 Replaces the event mask of the pty watcher by the given event mask.
858 Can be used to suppress input and output handling to the pty/tty.
859 See the description of "urxvt::timer->events". Make sure to always
860 restore the previous value.
861
862 $fd = $term->pty_fd
863 Returns the master file descriptor for the pty in use, or -1 if no
864 pty is used.
865
866 $windowid = $term->parent
867 Return the window id of the toplevel window.
868
869 $windowid = $term->vt
870 Return the window id of the terminal window.
871
872 $term->vt_emask_add ($x_event_mask)
873 Adds the specified events to the vt event mask. Useful e.g. when you
874 want to receive pointer events all the times:
875
876 $term->vt_emask_add (urxvt::PointerMotionMask);
877
878 $term->focus_in
879 $term->focus_out
880 $term->key_press ($state, $keycode[, $time])
881 $term->key_release ($state, $keycode[, $time])
882 Deliver various fake events to to terminal.
883
884 $window_width = $term->width
885 $window_height = $term->height
886 $font_width = $term->fwidth
887 $font_height = $term->fheight
888 $font_ascent = $term->fbase
889 $terminal_rows = $term->nrow
890 $terminal_columns = $term->ncol
891 $has_focus = $term->focus
892 $is_mapped = $term->mapped
893 $max_scrollback = $term->saveLines
894 $nrow_plus_saveLines = $term->total_rows
895 $topmost_scrollback_row = $term->top_row
896 Return various integers describing terminal characteristics.
897
898 $x_display = $term->display_id
899 Return the DISPLAY used by rxvt-unicode.
900
901 $lc_ctype = $term->locale
902 Returns the LC_CTYPE category string used by this rxvt-unicode.
903
904 $env = $term->env
905 Returns a copy of the environment in effect for the terminal as a
906 hashref similar to "\%ENV".
907
908 $modifiermask = $term->ModLevel3Mask
909 $modifiermask = $term->ModMetaMask
910 $modifiermask = $term->ModNumLockMask
911 Return the modifier masks corresponding to the "ISO Level 3 Shift"
912 (often AltGr), the meta key (often Alt) and the num lock key, if
913 applicable.
914
915 $screen = $term->current_screen
916 Returns the currently displayed screen (0 primary, 1 secondary).
917
918 $cursor_is_hidden = $term->hidden_cursor
919 Returns wether the cursor is currently hidden or not.
920
921 $view_start = $term->view_start ([$newvalue])
922 Returns the row number of the topmost displayed line. Maximum value
923 is 0, which displays the normal terminal contents. Lower values
924 scroll this many lines into the scrollback buffer.
925
926 $term->want_refresh
927 Requests a screen refresh. At the next opportunity, rxvt-unicode
928 will compare the on-screen display with its stored representation.
929 If they differ, it redraws the differences.
930
931 Used after changing terminal contents to display them.
932
933 $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
934 Returns the text of the entire row with number $row_number. Row 0 is
935 the topmost terminal line, row "$term->$ncol-1" is the bottommost
936 terminal line. The scrollback buffer starts at line -1 and extends
937 to line "-$term->nsaved". Nothing will be returned if a nonexistent
938 line is requested.
939
940 If $new_text is specified, it will replace characters in the current
941 line, starting at column $start_col (default 0), which is useful to
942 replace only parts of a line. The font index in the rendition will
943 automatically be updated.
944
945 $text is in a special encoding: tabs and wide characters that use
946 more than one cell when displayed are padded with $urxvt::NOCHAR
947 (chr 65535) characters. Characters with combining characters and
948 other characters that do not fit into the normal tetx encoding will
949 be replaced with characters in the private use area.
950
951 You have to obey this encoding when changing text. The advantage is
952 that "substr" and similar functions work on screen cells and not on
953 characters.
954
955 The methods "$term->special_encode" and "$term->special_decode" can
956 be used to convert normal strings into this encoding and vice versa.
957
958 $rend = $term->ROW_r ($row_number[, $new_rend[, $start_col]])
959 Like "$term->ROW_t", but returns an arrayref with rendition bitsets.
960 Rendition bitsets contain information about colour, font, font
961 styles and similar information. See also "$term->ROW_t".
962
963 When setting rendition, the font mask will be ignored.
964
965 See the section on RENDITION, above.
966
967 $length = $term->ROW_l ($row_number[, $new_length])
968 Returns the number of screen cells that are in use ("the line
969 length"). Unlike the urxvt core, this returns "$term->ncol" if the
970 line is joined with the following one.
971
972 $bool = $term->is_longer ($row_number)
973 Returns true if the row is part of a multiple-row logical "line"
974 (i.e. joined with the following row), which means all characters are
975 in use and it is continued on the next row (and possibly a
976 continuation of the previous row(s)).
977
978 $line = $term->line ($row_number)
979 Create and return a new "urxvt::line" object that stores information
980 about the logical line that row $row_number is part of. It supports
981 the following methods:
982
983 $text = $line->t ([$new_text])
984 Returns or replaces the full text of the line, similar to
985 "ROW_t"
986
987 $rend = $line->r ([$new_rend])
988 Returns or replaces the full rendition array of the line,
989 similar to "ROW_r"
990
991 $length = $line->l
992 Returns the length of the line in cells, similar to "ROW_l".
993
994 $rownum = $line->beg
995 $rownum = $line->end
996 Return the row number of the first/last row of the line,
997 respectively.
998
999 $offset = $line->offset_of ($row, $col)
1000 Returns the character offset of the given row|col pair within
1001 the logical line. Works for rows outside the line, too, and
1002 returns corresponding offsets outside the string.
1003
1004 ($row, $col) = $line->coord_of ($offset)
1005 Translates a string offset into terminal coordinates again.
1006
1007 $text = $term->special_encode $string
1008 Converts a perl string into the special encoding used by
1009 rxvt-unicode, where one character corresponds to one screen cell.
1010 See "$term->ROW_t" for details.
1011
1012 $string = $term->special_decode $text
1013 Converts rxvt-unicodes text reprsentation into a perl string. See
1014 "$term->ROW_t" for details.
1015
1016 $success = $term->grab_button ($button, $modifiermask[, $window =
1017 $term->vt])
1018 $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1019 Register/unregister a synchronous button grab. See the XGrabButton
1020 manpage.
1021
1022 $success = $term->grab ($eventtime[, $sync])
1023 Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1024 synchronous ($sync is true). Also remembers the grab timestampe.
1025
1026 $term->allow_events_async
1027 Calls XAllowEvents with AsyncBoth for the most recent grab.
1028
1029 $term->allow_events_sync
1030 Calls XAllowEvents with SyncBoth for the most recent grab.
1031
1032 $term->allow_events_replay
1033 Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for
1034 the most recent grab.
1035
1036 $term->ungrab
1037 Calls XUngrab for the most recent grab. Is called automatically on
1038 evaluation errors, as it is better to lose the grab in the error
1039 case as the session.
1040
1041 $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1042 $atom_name = $term->XGetAtomName ($atom)
1043 @atoms = $term->XListProperties ($window)
1044 ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1045 $term->XChangeWindowProperty ($window, $property, $type, $format,
1046 $octets)
1047 $term->XDeleteProperty ($window, $property)
1048 $window = $term->DefaultRootWindow
1049 $term->XReparentWindow ($window, $parent, [$x, $y])
1050 $term->XMapWindow ($window)
1051 $term->XUnmapWindow ($window)
1052 $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1053 ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x,
1054 $y)
1055 $term->XChangeInput ($window, $add_events[, $del_events])
1056 Various X or X-related functions. The $term object only serves as
1057 the source of the display, otherwise those functions map
1058 more-or-less directory onto the X functions of the same name.
1059
1060 The "urxvt::popup" Class
1061 $popup->add_title ($title)
1062 Adds a non-clickable title to the popup.
1063
1064 $popup->add_separator ([$sepchr])
1065 Creates a separator, optionally using the character given as
1066 $sepchr.
1067
1068 $popup->add_button ($text, $cb)
1069 Adds a clickable button to the popup. $cb is called whenever it is
1070 selected.
1071
1072 $popup->add_toggle ($text, $cb, $initial_value)
1073 Adds a toggle/checkbox item to the popup. Teh callback gets called
1074 whenever it gets toggled, with a boolean indicating its value as its
1075 first argument.
1076
1077 $popup->show
1078 Displays the popup (which is initially hidden).
220 1079
221 The "urxvt::timer" Class 1080 The "urxvt::timer" Class
222 This class implements timer watchers/events. Time is represented as a 1081 This class implements timer watchers/events. Time is represented as a
223 fractional number of seconds since the epoch. Example: 1082 fractional number of seconds since the epoch. Example:
224 1083
225 # create a digital clock display in upper right corner 1084 $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0);
226 $term->{timer} = urxvt::timer 1085 $term->{timer} = urxvt::timer
227 ->new 1086 ->new
228 ->start (urxvt::NOW) 1087 ->interval (1)
229 ->cb (sub { 1088 ->cb (sub {
230 my ($timer) = @_;
231 my $time = $timer->at;
232 $timer->start ($time + 1);
233 $self->scr_overlay (-1, 0, 1089 $term->{overlay}->set (0, 0,
234 POSIX::strftime "%H:%M:%S", localtime $time); 1090 sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
235 }); 1091 });
236 1092
237 $timer = new urxvt::timer 1093 $timer = new urxvt::timer
238 Create a new timer object in stopped state. 1094 Create a new timer object in started state. It is scheduled to fire
1095 immediately.
239 1096
240 $timer = $timer->cb (sub { my ($timer) = @_; ... }) 1097 $timer = $timer->cb (sub { my ($timer) = @_; ... })
241 Set the callback to be called when the timer triggers. 1098 Set the callback to be called when the timer triggers.
242 1099
243 $tstamp = $timer->at 1100 $tstamp = $timer->at
244 Return the time this watcher will fire next. 1101 Return the time this watcher will fire next.
245 1102
246 $timer = $timer->set ($tstamp) 1103 $timer = $timer->set ($tstamp)
247 Set the time the event is generated to $tstamp. 1104 Set the time the event is generated to $tstamp.
248 1105
1106 $timer = $timer->interval ($interval)
1107 Normally (and when $interval is 0), the timer will automatically
1108 stop after it has fired once. If $interval is non-zero, then the
1109 timer is automatically rescheduled at the given intervals.
1110
249 $timer = $timer->start 1111 $timer = $timer->start
250 Start the timer. 1112 Start the timer.
251 1113
252 $timer = $timer->start ($tstamp) 1114 $timer = $timer->start ($tstamp)
253 Set the event trigger time to $tstamp and start the timer. 1115 Set the event trigger time to $tstamp and start the timer.
1116
1117 $timer = $timer->after ($delay)
1118 Like "start", but sets the expiry timer to c<urxvt::NOW + $delay>.
254 1119
255 $timer = $timer->stop 1120 $timer = $timer->stop
256 Stop the timer. 1121 Stop the timer.
257 1122
258 The "urxvt::iow" Class 1123 The "urxvt::iow" Class
260 1125
261 $term->{socket} = ... 1126 $term->{socket} = ...
262 $term->{iow} = urxvt::iow 1127 $term->{iow} = urxvt::iow
263 ->new 1128 ->new
264 ->fd (fileno $term->{socket}) 1129 ->fd (fileno $term->{socket})
265 ->events (1) # wait for read data 1130 ->events (urxvt::EVENT_READ)
266 ->start 1131 ->start
267 ->cb (sub { 1132 ->cb (sub {
268 my ($iow, $revents) = @_; 1133 my ($iow, $revents) = @_;
269 # $revents must be 1 here, no need to check 1134 # $revents must be 1 here, no need to check
270 sysread $term->{socket}, my $buf, 8192 1135 sysread $term->{socket}, my $buf, 8192
280 1145
281 $iow = $iow->fd ($fd) 1146 $iow = $iow->fd ($fd)
282 Set the filedescriptor (not handle) to watch. 1147 Set the filedescriptor (not handle) to watch.
283 1148
284 $iow = $iow->events ($eventmask) 1149 $iow = $iow->events ($eventmask)
285 Set the event mask to watch. Bit #0 (value 1) enables watching for 1150 Set the event mask to watch. The only allowed values are
286 read data, Bit #1 (value 2) enables watching for write data. 1151 "urxvt::EVENT_READ" and "urxvt::EVENT_WRITE", which might be ORed
1152 together, or "urxvt::EVENT_NONE".
287 1153
288 $iow = $iow->start 1154 $iow = $iow->start
289 Start watching for requested events on the given handle. 1155 Start watching for requested events on the given handle.
290 1156
291 $iow = $iow->stop 1157 $iow = $iow->stop
292 Stop watching for events on the given filehandle. 1158 Stop watching for events on the given filehandle.
1159
1160 The "urxvt::iw" Class
1161 This class implements idle watchers, that get called automatically when
1162 the process is idle. They should return as fast as possible, after doing
1163 some useful work.
1164
1165 $iw = new urxvt::iw
1166 Create a new idle watcher object in stopped state.
1167
1168 $iw = $iw->cb (sub { my ($iw) = @_; ... })
1169 Set the callback to be called when the watcher triggers.
1170
1171 $timer = $timer->start
1172 Start the watcher.
1173
1174 $timer = $timer->stop
1175 Stop the watcher.
1176
1177 The "urxvt::pw" Class
1178 This class implements process watchers. They create an event whenever a
1179 process exits, after which they stop automatically.
1180
1181 my $pid = fork;
1182 ...
1183 $term->{pw} = urxvt::pw
1184 ->new
1185 ->start ($pid)
1186 ->cb (sub {
1187 my ($pw, $exit_status) = @_;
1188 ...
1189 });
1190
1191 $pw = new urxvt::pw
1192 Create a new process watcher in stopped state.
1193
1194 $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1195 Set the callback to be called when the timer triggers.
1196
1197 $pw = $timer->start ($pid)
1198 Tells the wqtcher to start watching for process $pid.
1199
1200 $pw = $pw->stop
1201 Stop the watcher.
293 1202
294ENVIRONMENT 1203ENVIRONMENT
295 URXVT_PERL_VERBOSITY 1204 URXVT_PERL_VERBOSITY
296 This variable controls the verbosity level of the perl extension. Higher 1205 This variable controls the verbosity level of the perl extension. Higher
297 numbers indicate more verbose output. 1206 numbers indicate more verbose output.
298 1207
299 0 - only fatal messages 1208 == 0 - fatal messages
300 3 - script loading and management 1209 >= 3 - script loading and management
301 10 - all events received 1210 >=10 - all called hooks
1211 >=11 - hook reutrn values
302 1212
303AUTHOR 1213AUTHOR
304 Marc Lehmann <pcg@goof.com> 1214 Marc Lehmann <pcg@goof.com>
305 http://software.schmorp.de/pkg/rxvt-unicode 1215 http://software.schmorp.de/pkg/rxvt-unicode
306 1216

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