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Revision 1.34 by root, Sat Jan 21 19:50:53 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
26 Prepackaged Extensions 26PREPACKAGED EXTENSIONS
27 This section describes the extensiosn delivered with this version. You 27 This section describes the extensions delivered with this release. You
28 can find them in /opt/rxvt/lib/urxvt/perl/. 28 can find them in /opt/rxvt/lib/urxvt/perl/.
29 29
30 You can activate them like this: 30 You can activate them like this:
31 31
32 rxvt -pe <extensionname> 32 rxvt -pe <extensionname>
33 33
34 selection 34 Or by adding them to the resource for extensions loaded by default:
35 Miscellaneous selection modifications. 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 You can look at the source of the selection extension to see more
64 interesting uses, such as parsing a line from beginning to end.
65
66 This extension also offers following bindable keyboard commands:
36 67
37 rot13 68 rot13
38 Rot-13 the selection when activated. Used via keyboard trigger: 69 Rot-13 the selection when activated. Used via keyboard trigger:
39 70
40 URxvt.keysym.C-M-r: perl:selection:rot13 71 URxvt.keysym.C-M-r: perl:selection:rot13
41 72
73 option-popup (enabled by default)
74 Binds a popup menu to Ctrl-Button2 that lets you toggle (some)
75 options at runtime.
76
77 selection-popup (enabled by default)
78 Binds a popup menu to Ctrl-Button3 that lets you convert the
79 selection text into various other formats/action (such as uri
80 unescaping, perl evaluation, web-browser starting etc.), depending
81 on content.
82
83 Other extensions can extend this popup menu by pushing a code
84 reference onto "@{ $term-"{selection_popup_hook} }>, that is called
85 whenever the popup is displayed.
86
87 It's sole argument is the popup menu, which can be modified. The
88 selection is in $_, which can be used to decide wether to add
89 something or not. It should either return nothing or a string and a
90 code reference. The string will be used as button text and the code
91 reference will be called when the button gets activated and should
92 transform $_.
93
94 The following will add an entry "a to b" that transforms all "a"s in
95 the selection to "b"s, but only if the selection currently contains
96 any "a"s:
97
98 push @{ $self->{term}{selection_popup_hook} }, sub {
99 /a/ ? ("a to be" => sub { s/a/b/g }
100 : ()
101 };
102
103 searchable-scrollback<hotkey> (enabled by default)
104 Adds regex search functionality to the scrollback buffer, triggered
105 by a hotkey (default: "M-s"). While in search mode, normal terminal
106 input/output is suspended and a regex is displayed at the bottom of
107 the screen.
108
109 Inputting characters appends them to the regex and continues
110 incremental search. "BackSpace" removes a character from the regex,
111 "Up" and "Down" search upwards/downwards in the scrollback buffer,
112 "End" jumps to the bottom. "Escape" leaves search mode and returns
113 to the point where search was started, while "Enter" or "Return"
114 stay at the current position and additionally stores the first match
115 in the current line into the primary selection.
116
117 readline (enabled by default)
118 A support package that tries to make editing with readline easier.
119 At the moment, it reacts to clicking with the left mouse button by
120 trying to move the text cursor to this position. It does so by
121 generating as many cursor-left or cursor-right keypresses as
122 required (the this only works for programs that correctly support
123 wide characters).
124
125 To avoid too many false positives, this is only done when:
126
127 - the mouse is on the same (multi-row-) line as the text cursor.
128 - the primary screen is currently being displayed.
129 - the text cursor is visible.
130
131 The normal selection mechanism isn't disabled, so quick successive
132 clicks might interfere with selection creation in harmless ways.
133
134 selection-autotransform
135 This selection allows you to do automatic transforms on a selection
136 whenever a selection is made.
137
138 It works by specifying perl snippets (most useful is a single "s///"
139 operator) that modify $_ as resources:
140
141 URxvt.selection-autotransform.0: transform
142 URxvt.selection-autotransform.1: transform
143 ...
144
145 For example, the following will transform selections of the form
146 "filename:number", often seen in compiler messages, into "vi
147 +$filename $word":
148
149 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
150
151 And this example matches the same,but replaces it with vi-commands
152 you can paste directly into your (vi :) editor:
153
154 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
155
156 Of course, this can be modified to suit your needs and your editor
157 :)
158
159 To expand the example above to typical perl error messages ("XXX at
160 FILENAME line YYY."), you need a slightly more elaborate solution:
161
162 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
163 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
164
165 The first line tells the selection code to treat the unchanging part
166 of every error message as a selection pattern, and the second line
167 transforms the message into vi commands to load the file.
168
169 tabbed
170 This transforms the terminal into a tabbar with additional
171 terminals, that is, it implements what is commonly refered to as
172 "tabbed terminal". The topmost line displays a "[NEW]" button,
173 which, when clicked, will add a new tab, followed by one button per
174 tab.
175
176 Clicking a button will activate that tab. Pressing Shift-Left and
177 Shift-Right will switch to the tab left or right of the current one,
178 while Shift-Down creates a new tab.
179
180 mark-urls
181 Uses per-line display filtering ("on_line_update") to underline urls
182 and make them clickable. When middle-clicked, the program specified
183 in the resource "urlLauncher" (default "x-www-browser") will be
184 started with the URL as first argument.
185
186 automove-background
187 This is basically a one-line extension that dynamically changes the
188 background pixmap offset to the window position, in effect creating
189 the same effect as pseudo transparency with a custom pixmap. No
190 scaling is supported in this mode. Exmaple:
191
192 rxvt -pixmap background.xpm -pe automove-background
193
194 block-graphics-to-ascii
195 A not very useful example of filtering all text output to the
196 terminal, by replacing all line-drawing characters (U+2500 ..
197 U+259F) by a similar-looking ascii character.
198
42 digital-clock 199 digital-clock
200 Displays a digital clock using the built-in overlay.
201
202 example-refresh-hooks
43 Displays a very simple digital clock in the upper right corner of 203 Displays a very simple digital clock in the upper right corner of
44 the window. Illustrates overwriting the refresh callbacks to create 204 the window. Illustrates overwriting the refresh callbacks to create
45 your own overlays or changes. 205 your own overlays or changes.
46 206
47 simple-overlay-clock 207 selection-pastebin
48 Displays a digital clock using the built-in overlay (colorful, 208 This is a little rarely useful extension that Uploads the selection
49 useless). 209 as textfile to a remote site (or does other things). (The
210 implementation is not currently secure for use in a multiuser
211 environment as it writes to /tmp directly.).
50 212
213 It listens to the "selection-pastebin:remote-pastebin" keyboard
214 command, i.e.
215
216 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
217
218 Pressing this combination runs a command with "%" replaced by the
219 name of the textfile. This command can be set via a resource:
220
221 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
222
223 And the default is likely not useful to anybody but the few people
224 around here :)
225
226 The name of the textfile is the hex encoded md5 sum of the
227 selection, so the same content should lead to the same filename.
228
229 After a successful upload the selection will be replaced by the text
230 given in the "selection-pastebin-url" resource (again, the % is the
231 placeholder for the filename):
232
233 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
234
235API DOCUMENTATION
51 General API Considerations 236 General API Considerations
52 All objects (such as terminals, time watchers etc.) are typical 237 All objects (such as terminals, time watchers etc.) are typical
53 reference-to-hash objects. The hash can be used to store anything you 238 reference-to-hash objects. The hash can be used to store anything you
54 like. All members starting with an underscore (such as "_ptr" or 239 like. All members starting with an underscore (such as "_ptr" or
55 "_hook") are reserved for internal uses and must not be accessed or 240 "_hook") are reserved for internal uses and MUST NOT be accessed or
56 modified). 241 modified).
57 242
58 When objects are destroyed on the C++ side, the perl object hashes are 243 When objects are destroyed on the C++ side, the perl object hashes are
59 emptied, so its best to store related objects such as time watchers and 244 emptied, so its best to store related objects such as time watchers and
60 the like inside the terminal object so they get destroyed as soon as the 245 the like inside the terminal object so they get destroyed as soon as the
61 terminal is destroyed. 246 terminal is destroyed.
62 247
248 Argument names also often indicate the type of a parameter. Here are
249 some hints on what they mean:
250
251 $text
252 Rxvt-unicodes special way of encoding text, where one "unicode"
253 character always represents one screen cell. See ROW_t for a
254 discussion of this format.
255
256 $string
257 A perl text string, with an emphasis on *text*. It can store all
258 unicode characters and is to be distinguished with text encoded in a
259 specific encoding (often locale-specific) and binary data.
260
261 $octets
262 Either binary data or - more common - a text string encoded in a
263 locale-specific way.
264
265 Extension Objects
266 Very perl extension is a perl class. A separate perl object is created
267 for each terminal and each extension and passed as the first parameter
268 to hooks. So extensions can use their $self object without having to
269 think about other extensions, with the exception of methods and members
270 that begin with an underscore character "_": these are reserved for
271 internal use.
272
273 Although it isn't a "urxvt::term" object, you can call all methods of
274 the "urxvt::term" class on this object.
275
276 It has the following methods and data members:
277
278 $urxvt_term = $self->{term}
279 Returns the "urxvt::term" object associated with this instance of
280 the extension. This member *must not* be changed in any way.
281
282 $self->enable ($hook_name => $cb, [$hook_name => $cb..])
283 Dynamically enable the given hooks (named without the "on_" prefix)
284 for this extension, replacing any previous hook. This is useful when
285 you want to overwrite time-critical hooks only temporarily.
286
287 $self->disable ($hook_name[, $hook_name..])
288 Dynamically disable the given hooks.
289
63 Hooks 290 Hooks
64 The following subroutines can be declared in loaded scripts, and will be 291 The following subroutines can be declared in extension files, and will
65 called whenever the relevant event happens. 292 be called whenever the relevant event happens.
66 293
67 All of them must return a boolean value. If it is true, then the event 294 The first argument passed to them is an extension oject as described in
68 counts as being *consumed*, and the invocation of other hooks is 295 the in the "Extension Objects" section.
296
297 All of these hooks must return a boolean value. If any of the called
298 hooks returns true, then the event counts as being *consumed*, and the
69 skipped, and the relevant action might not be carried out by the C++ 299 relevant action might not be carried out by the C++ code.
70 code.
71 300
72 When in doubt, return a false value (preferably "()"). 301 *When in doubt, return a false value (preferably "()").*
73 302
74 on_init $term 303 on_init $term
75 Called after a new terminal object has been initialized, but before 304 Called after a new terminal object has been initialized, but before
76 windows are created or the command gets run. 305 windows are created or the command gets run. Most methods are unsafe
306 to call or deliver senseless data, as terminal size and other
307 characteristics have not yet been determined. You can safely query
308 and change resources and options, though. For many purposes the
309 "on_start" hook is a better place.
310
311 on_start $term
312 Called at the very end of initialisation of a new terminal, just
313 before trying to map (display) the toplevel and returning to the
314 mainloop.
315
316 on_destroy $term
317 Called whenever something tries to destroy terminal, before doing
318 anything yet. If this hook returns true, then destruction is
319 skipped, but this is rarely a good idea.
77 320
78 on_reset $term 321 on_reset $term
79 Called after the screen is "reset" for any reason, such as resizing 322 Called after the screen is "reset" for any reason, such as resizing
80 or control sequences. Here is where you can react on changes to 323 or control sequences. Here is where you can react on changes to
81 size-related variables. 324 size-related variables.
82 325
83 on_start $term 326 on_child_start $term, $pid
84 Called at the very end of initialisation of a new terminal, just 327 Called just after the child process has been "fork"ed.
85 before returning to the mainloop. 328
329 on_child_exit $term, $status
330 Called just after the child process has exited. $status is the
331 status from "waitpid".
86 332
87 on_sel_make $term, $eventtime 333 on_sel_make $term, $eventtime
88 Called whenever a selection has been made by the user, but before 334 Called whenever a selection has been made by the user, but before
89 the selection text is copied, so changes to the beginning, end or 335 the selection text is copied, so changes to the beginning, end or
90 type of the selection will be honored. 336 type of the selection will be honored.
99 queried and changed by calling "$term->selection". 345 queried and changed by calling "$term->selection".
100 346
101 Returning a true value aborts selection grabbing. It will still be 347 Returning a true value aborts selection grabbing. It will still be
102 hilighted. 348 hilighted.
103 349
104 on_focus_in $term 350 on_sel_extend $term
105 Called whenever the window gets the keyboard focus, before urxvt 351 Called whenever the user tries to extend the selection (e.g. with a
106 does focus in processing. 352 double click) and is either supposed to return false (normal
353 operation), or should extend the selection itelf and return true to
354 suppress the built-in processing. This can happen multiple times, as
355 long as the callback returns true, it will be called on every
356 further click by the user and is supposed to enlarge the selection
357 more and more, if possible.
107 358
108 on_focus_out $term 359 See the selection example extension.
109 Called wheneever the window loses keyboard focus, before urxvt does
110 focus out processing.
111 360
112 on_view_change $term, $offset 361 on_view_change $term, $offset
113 Called whenever the view offset changes, i..e the user or program 362 Called whenever the view offset changes, i..e the user or program
114 scrolls. Offset 0 means display the normal terminal, positive values 363 scrolls. Offset 0 means display the normal terminal, positive values
115 show this many lines of scrollback. 364 show this many lines of scrollback.
121 370
122 It is called before lines are scrolled out (so rows 0 .. min ($lines 371 It is called before lines are scrolled out (so rows 0 .. min ($lines
123 - 1, $nrow - 1) represent the lines to be scrolled out). $saved is 372 - 1, $nrow - 1) represent the lines to be scrolled out). $saved is
124 the total number of lines that will be in the scrollback buffer. 373 the total number of lines that will be in the scrollback buffer.
125 374
126 on_tty_activity $term *NYI* 375 on_osc_seq $term, $string
127 Called whenever the program(s) running in the urxvt window send 376 Called whenever the ESC ] 777 ; string ST command sequence (OSC =
128 output. 377 operating system command) is processed. Cursor position and other
378 state information is up-to-date when this happens. For
379 interoperability, the string should start with the extension name
380 and a colon, to distinguish it from commands for other extensions,
381 and this might be enforced in the future.
382
383 Be careful not ever to trust (in a security sense) the data you
384 receive, as its source can not easily be controleld (e-mail content,
385 messages from other users on the same system etc.).
386
387 on_add_lines $term, $string
388 Called whenever text is about to be output, with the text as
389 argument. You can filter/change and output the text yourself by
390 returning a true value and calling "$term->scr_add_lines" yourself.
391 Please note that this might be very slow, however, as your hook is
392 called for all text being output.
393
394 on_tt_write $term, $octets
395 Called whenever some data is written to the tty/pty and can be used
396 to suppress or filter tty input.
397
398 on_line_update $term, $row
399 Called whenever a line was updated or changed. Can be used to filter
400 screen output (e.g. underline urls or other useless stuff). Only
401 lines that are being shown will be filtered, and, due to performance
402 reasons, not always immediately.
403
404 The row number is always the topmost row of the line if the line
405 spans multiple rows.
406
407 Please note that, if you change the line, then the hook might get
408 called later with the already-modified line (e.g. if unrelated parts
409 change), so you cannot just toggle rendition bits, but only set
410 them.
129 411
130 on_refresh_begin $term 412 on_refresh_begin $term
131 Called just before the screen gets redrawn. Can be used for overlay 413 Called just before the screen gets redrawn. Can be used for overlay
132 or similar effects by modify terminal contents in refresh_begin, and 414 or similar effects by modify terminal contents in refresh_begin, and
133 restoring them in refresh_end. The built-in overlay and selection 415 restoring them in refresh_end. The built-in overlay and selection
139 on_keyboard_command $term, $string 421 on_keyboard_command $term, $string
140 Called whenever the user presses a key combination that has a 422 Called whenever the user presses a key combination that has a
141 "perl:string" action bound to it (see description of the keysym 423 "perl:string" action bound to it (see description of the keysym
142 resource in the rxvt(1) manpage). 424 resource in the rxvt(1) manpage).
143 425
426 on_x_event $term, $event
427 Called on every X event received on the vt window (and possibly
428 other windows). Should only be used as a last resort. Most event
429 structure members are not passed.
430
431 on_focus_in $term
432 Called whenever the window gets the keyboard focus, before
433 rxvt-unicode does focus in processing.
434
435 on_focus_out $term
436 Called wheneever the window loses keyboard focus, before
437 rxvt-unicode does focus out processing.
438
439 on_configure_notify $term, $event
440 on_property_notify $term, $event
441 on_key_press $term, $event, $keysym, $octets
442 on_key_release $term, $event, $keysym
443 on_button_press $term, $event
444 on_button_release $term, $event
445 on_motion_notify $term, $event
446 on_map_notify $term, $event
447 on_unmap_notify $term, $event
448 Called whenever the corresponding X event is received for the
449 terminal If the hook returns true, then the even will be ignored by
450 rxvt-unicode.
451
452 The event is a hash with most values as named by Xlib (see the
453 XEvent manpage), with the additional members "row" and "col", which
454 are the (real, not screen-based) row and column under the mouse
455 cursor.
456
457 "on_key_press" additionally receives the string rxvt-unicode would
458 output, if any, in locale-specific encoding.
459
460 subwindow.
461
462 on_client_message $term, $event
463 on_wm_protocols $term, $event
464 on_wm_delete_window $term, $event
465 Called when various types of ClientMessage events are received (all
466 with format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
467
468 Variables in the "urxvt" Package
469 $urxvt::LIBDIR
470 The rxvt-unicode library directory, where, among other things, the
471 perl modules and scripts are stored.
472
473 $urxvt::RESCLASS, $urxvt::RESCLASS
474 The resource class and name rxvt-unicode uses to look up X
475 resources.
476
477 $urxvt::RXVTNAME
478 The basename of the installed binaries, usually "urxvt".
479
480 $urxvt::TERM
481 The current terminal. This variable stores the current "urxvt::term"
482 object, whenever a callback/hook is executing.
483
484 @urxvt::TERM_INIT
485 All coderefs in this array will be called as methods of the next
486 newly created "urxvt::term" object (during the "on_init" phase). The
487 array gets cleared before the codereferences that were in it are
488 being executed, so coderefs can push themselves onto it again if
489 they so desire.
490
491 This complements to the perl-eval commandline option, but gets
492 executed first.
493
494 @urxvt::TERM_EXT
495 Works similar to @TERM_INIT, but contains perl package/class names,
496 which get registered as normal extensions after calling the hooks in
497 @TERM_INIT but before other extensions. Gets cleared just like
498 @TERM_INIT.
499
144 Functions in the "urxvt" Package 500 Functions in the "urxvt" Package
145 urxvt::fatal $errormessage 501 urxvt::fatal $errormessage
146 Fatally aborts execution with the given error message. Avoid at all 502 Fatally aborts execution with the given error message. Avoid at all
147 costs! The only time this is acceptable is when the terminal process 503 costs! The only time this is acceptable is when the terminal process
148 starts up. 504 starts up.
153 function that calls this function. 509 function that calls this function.
154 510
155 Using this function has the advantage that its output ends up in the 511 Using this function has the advantage that its output ends up in the
156 correct place, e.g. on stderr of the connecting urxvtc client. 512 correct place, e.g. on stderr of the connecting urxvtc client.
157 513
514 Messages have a size limit of 1023 bytes currently.
515
158 $time = urxvt::NOW 516 $time = urxvt::NOW
159 Returns the "current time" (as per the event loop). 517 Returns the "current time" (as per the event loop).
160 518
519 urxvt::CurrentTime
520 urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, Mod3Mask,
521 Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, Button4Mask,
522 Button5Mask, AnyModifier
523 urxvt::NoEventMask, KeyPressMask, KeyReleaseMask, ButtonPressMask,
524 ButtonReleaseMask, EnterWindowMask, LeaveWindowMask, PointerMotionMask,
525 PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
526 Button3MotionMask, Button4MotionMask, Button5MotionMask,
527 ButtonMotionMask, KeymapStateMask, ExposureMask, VisibilityChangeMask,
528 StructureNotifyMask, ResizeRedirectMask, SubstructureNotifyMask,
529 SubstructureRedirectMask, FocusChangeMask, PropertyChangeMask,
530 ColormapChangeMask, OwnerGrabButtonMask
531 urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
532 EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
533 GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
534 UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
535 ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
536 CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
537 SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
538 Various constants for use in X calls and event processing.
539
540 RENDITION
541 Rendition bitsets contain information about colour, font, font styles
542 and similar information for each screen cell.
543
544 The following "macros" deal with changes in rendition sets. You should
545 never just create a bitset, you should always modify an existing one, as
546 they contain important information required for correct operation of
547 rxvt-unicode.
548
549 $rend = urxvt::DEFAULT_RSTYLE
550 Returns the default rendition, as used when the terminal is starting
551 up or being reset. Useful as a base to start when creating
552 renditions.
553
554 $rend = urxvt::OVERLAY_RSTYLE
555 Return the rendition mask used for overlays by default.
556
557 $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
558 Return the bit that enabled bold, italic, blink, reverse-video and
559 underline, respectively. To enable such a style, just logically OR
560 it into the bitset.
561
562 $foreground = urxvt::GET_BASEFG $rend
563 $background = urxvt::GET_BASEBG $rend
564 Return the foreground/background colour index, respectively.
565
566 $rend = urxvt::SET_FGCOLOR $rend, $new_colour
567 $rend = urxvt::SET_BGCOLOR $rend, $new_colour
568 Replace the foreground/background colour in the rendition mask with
569 the specified one.
570
571 $value = urxvt::GET_CUSTOM $rend
572 Return the "custom" value: Every rendition has 5 bits for use by
573 extensions. They can be set and changed as you like and are
574 initially zero.
575
576 $rend = urxvt::SET_CUSTOM $rend, $new_value
577 Change the custom value.
578
579 The "urxvt::anyevent" Class
580 The sole purpose of this class is to deliver an interface to the
581 "AnyEvent" module - any module using it will work inside urxvt without
582 further programming. The only exception is that you cannot wait on
583 condition variables, but non-blocking condvar use is ok. What this means
584 is that you cannot use blocking APIs, but the non-blocking variant
585 should work.
586
161 The "urxvt::term" Class 587 The "urxvt::term" Class
588 $term = new urxvt::term $envhashref, $rxvtname, [arg...]
589 Creates a new terminal, very similar as if you had started it with
590 system "$rxvtname, arg...". $envhashref must be a reference to a
591 %ENV-like hash which defines the environment of the new terminal.
592
593 Croaks (and probably outputs an error message) if the new instance
594 couldn't be created. Returns "undef" if the new instance didn't
595 initialise perl, and the terminal object otherwise. The "init" and
596 "start" hooks will be called during this call.
597
598 $term->destroy
599 Destroy the terminal object (close the window, free resources etc.).
600 Please note that rxvt will not exit as long as any event watchers
601 (timers, io watchers) are still active.
602
603 $term->exec_async ($cmd[, @args])
604 Works like the combination of the "fork"/"exec" builtins, which
605 executes ("starts") programs in the background. This function takes
606 care of setting the user environment before exec'ing the command
607 (e.g. "PATH") and should be preferred over explicit calls to "exec"
608 or "system".
609
610 Returns the pid of the subprocess or "undef" on error.
611
612 $isset = $term->option ($optval[, $set])
613 Returns true if the option specified by $optval is enabled, and
614 optionally change it. All option values are stored by name in the
615 hash %urxvt::OPTION. Options not enabled in this binary are not in
616 the hash.
617
618 Here is a a likely non-exhaustive list of option names, please see
619 the source file /src/optinc.h to see the actual list:
620
621 borderLess console cursorBlink cursorUnderline hold iconic insecure
622 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
623 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
624 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
625 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
626 transparent tripleclickwords utmpInhibit visualBell
627
162 $value = $term->resource ($name[, $newval]) 628 $value = $term->resource ($name[, $newval])
163 Returns the current resource value associated with a given name and 629 Returns the current resource value associated with a given name and
164 optionally sets a new value. Setting values is most useful in the 630 optionally sets a new value. Setting values is most useful in the
165 "init" hook. Unset resources are returned and accepted as "undef". 631 "init" hook. Unset resources are returned and accepted as "undef".
166 632
175 Please note that resource strings will currently only be freed when 641 Please note that resource strings will currently only be freed when
176 the terminal is destroyed, so changing options frequently will eat 642 the terminal is destroyed, so changing options frequently will eat
177 memory. 643 memory.
178 644
179 Here is a a likely non-exhaustive list of resource names, not all of 645 Here is a a likely non-exhaustive list of resource names, not all of
180 which are supported in every build, please see the source to see the 646 which are supported in every build, please see the source file
181 actual list: 647 /src/rsinc.h to see the actual list:
182 648
183 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 649 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
184 borderLess color cursorBlink cursorUnderline cutchars delete_key 650 borderLess color cursorBlink cursorUnderline cutchars delete_key
185 display_name embed ext_bwidth fade font geometry hold iconName 651 display_name embed ext_bwidth fade font geometry hold iconName
186 imFont imLocale inputMethod insecure int_bwidth intensityStyles 652 imFont imLocale inputMethod insecure int_bwidth intensityStyles
187 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 653 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
188 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext 654 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
189 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 655 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
190 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 656 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
191 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 657 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
192 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 658 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
659 secondaryScreen secondaryScroll selectstyle shade term_name title
193 shade term_name title transparent transparent_all tripleclickwords 660 transient_for transparent transparent_all tripleclickwords utmpInhibit
194 utmpInhibit visualBell 661 visualBell
662
663 $value = $term->x_resource ($pattern)
664 Returns the X-Resource for the given pattern, excluding the program
665 or class name, i.e. "$term->x_resource ("boldFont")" should return
666 the same value as used by this instance of rxvt-unicode. Returns
667 "undef" if no resource with that pattern exists.
668
669 This method should only be called during the "on_start" hook, as
670 there is only one resource database per display, and later
671 invocations might return the wrong resources.
672
673 $success = $term->parse_keysym ($keysym_spec, $command_string)
674 Adds a keymap translation exactly as specified via a resource. See
675 the "keysym" resource in the rxvt(1) manpage.
676
677 $rend = $term->rstyle ([$new_rstyle])
678 Return and optionally change the current rendition. Text that is
679 output by the terminal application will use this style.
680
681 ($row, $col) = $term->screen_cur ([$row, $col])
682 Return the current coordinates of the text cursor position and
683 optionally set it (which is usually bad as applications don't expect
684 that).
195 685
196 ($row, $col) = $term->selection_mark ([$row, $col]) 686 ($row, $col) = $term->selection_mark ([$row, $col])
197 ($row, $col) = $term->selection_beg ([$row, $col]) 687 ($row, $col) = $term->selection_beg ([$row, $col])
198 ($row, $col) = $term->selection_end ([$row, $col]) 688 ($row, $col) = $term->selection_end ([$row, $col])
199 Return the current values of the selection mark, begin or end 689 Return the current values of the selection mark, begin or end
200 positions, and optionally set them to new values. 690 positions, and optionally set them to new values.
201 691
692 $term->selection_make ($eventtime[, $rectangular])
693 Tries to make a selection as set by "selection_beg" and
694 "selection_end". If $rectangular is true (default: false), a
695 rectangular selection will be made. This is the prefered function to
696 make a selection.
697
202 $success = $term->selection_grab ($eventtime) 698 $success = $term->selection_grab ($eventtime)
203 Try to request the primary selection from the server (for example, 699 Try to request the primary selection text from the server (for
204 as set by the next method). 700 example, as set by the next method). No visual feedback will be
701 given. This function is mostly useful from within "on_sel_grab"
702 hooks.
205 703
206 $oldtext = $term->selection ([$newtext]) 704 $oldtext = $term->selection ([$newtext])
207 Return the current selection text and optionally replace it by 705 Return the current selection text and optionally replace it by
208 $newtext. 706 $newtext.
209 707
210 $term->scr_overlay ($x, $y, $text) 708 $term->overlay_simple ($x, $y, $text)
211 Create a simple multi-line overlay box. See the next method for 709 Create a simple multi-line overlay box. See the next method for
212 details. 710 details.
213 711
214 $term->scr_overlay_new ($x, $y, $width, $height) 712 $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
215 Create a new (empty) overlay at the given position with the given 713 Create a new (empty) overlay at the given position with the given
216 width/height. A border will be put around the box. If either $x or 714 width/height. $rstyle defines the initial rendition style (default:
715 "OVERLAY_RSTYLE").
716
717 If $border is 2 (default), then a decorative border will be put
718 around the box.
719
217 $y is negative, then this is counted from the right/bottom side, 720 If either $x or $y is negative, then this is counted from the
218 respectively. 721 right/bottom side, respectively.
219 722
220 $term->scr_overlay_off 723 This method returns an urxvt::overlay object. The overlay will be
221 Switch the overlay off again. 724 visible as long as the perl object is referenced.
222 725
223 $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE) 726 The methods currently supported on "urxvt::overlay" objects are:
224 Put a single character (specified numerically) at the given overlay
225 position.
226 727
227 $term->scr_overlay_set ($x, $y, $text) 728 $overlay->set ($x, $y, $text, $rend)
228 Write a string at the given position into the overlay. 729 Similar to "$term->ROW_t" and "$term->ROW_r" in that it puts
730 text in rxvt-unicode's special encoding and an array of
731 rendition values at a specific position inside the overlay.
229 732
733 $overlay->hide
734 If visible, hide the overlay, but do not destroy it.
735
736 $overlay->show
737 If hidden, display the overlay again.
738
739 $popup = $term->popup ($event)
740 Creates a new "urxvt::popup" object that implements a popup menu.
741 The $event *must* be the event causing the menu to pop up (a button
742 event, currently).
743
230 $cellwidth = $term->strwidth $string 744 $cellwidth = $term->strwidth ($string)
231 Returns the number of screen-cells this string would need. Correctly 745 Returns the number of screen-cells this string would need. Correctly
232 accounts for wide and combining characters. 746 accounts for wide and combining characters.
233 747
234 $octets = $term->locale_encode $string 748 $octets = $term->locale_encode ($string)
235 Convert the given text string into the corresponding locale 749 Convert the given text string into the corresponding locale
236 encoding. 750 encoding.
237 751
238 $string = $term->locale_decode $octets 752 $string = $term->locale_decode ($octets)
239 Convert the given locale-encoded octets into a perl string. 753 Convert the given locale-encoded octets into a perl string.
754
755 $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
756 XORs the rendition values in the given span with the provided value
757 (default: "RS_RVid"), which *MUST NOT* contain font styles. Useful
758 in refresh hooks to provide effects similar to the selection.
759
760 $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[,
761 $rstyle2]])
762 Similar to "scr_xor_span", but xors a rectangle instead. Trailing
763 whitespace will additionally be xored with the $rstyle2, which
764 defaults to "RS_RVid | RS_Uline", which removes reverse video again
765 and underlines it instead. Both styles *MUST NOT* contain font
766 styles.
767
768 $term->scr_bell
769 Ring the bell!
770
771 $term->scr_add_lines ($string)
772 Write the given text string to the screen, as if output by the
773 application running inside the terminal. It may not contain command
774 sequences (escape codes), but is free to use line feeds, carriage
775 returns and tabs. The string is a normal text string, not in
776 locale-dependent encoding.
777
778 Normally its not a good idea to use this function, as programs might
779 be confused by changes in cursor position or scrolling. Its useful
780 inside a "on_add_lines" hook, though.
781
782 $term->scr_change_screen ($screen)
783 Switch to given screen - 0 primary, 1 secondary.
784
785 $term->cmd_parse ($octets)
786 Similar to "scr_add_lines", but the argument must be in the
787 locale-specific encoding of the terminal and can contain command
788 sequences (escape codes) that will be interpreted.
240 789
241 $term->tt_write ($octets) 790 $term->tt_write ($octets)
242 Write the octets given in $data to the tty (i.e. as program input). 791 Write the octets given in $data to the tty (i.e. as program input).
243 To pass characters instead of octets, you should convert your 792 To pass characters instead of octets, you should convert your
244 strings first to the locale-specific encoding using 793 strings first to the locale-specific encoding using
245 "$term->locale_encode". 794 "$term->locale_encode".
246 795
796 $old_events = $term->pty_ev_events ([$new_events])
797 Replaces the event mask of the pty watcher by the given event mask.
798 Can be used to suppress input and output handling to the pty/tty.
799 See the description of "urxvt::timer->events". Make sure to always
800 restore the previous value.
801
802 $windowid = $term->parent
803 Return the window id of the toplevel window.
804
805 $windowid = $term->vt
806 Return the window id of the terminal window.
807
808 $term->vt_emask_add ($x_event_mask)
809 Adds the specified events to the vt event mask. Useful e.g. when you
810 want to receive pointer events all the times:
811
812 $term->vt_emask_add (urxvt::PointerMotionMask);
813
814 $window_width = $term->width
815 $window_height = $term->height
816 $font_width = $term->fwidth
817 $font_height = $term->fheight
818 $font_ascent = $term->fbase
247 $nrow = $term->nrow 819 $terminal_rows = $term->nrow
248 $ncol = $term->ncol 820 $terminal_columns = $term->ncol
249 Return the number of rows/columns of the terminal window (i.e. as 821 $has_focus = $term->focus
250 specified by "-geometry", excluding any scrollback). 822 $is_mapped = $term->mapped
823 $max_scrollback = $term->saveLines
824 $nrow_plus_saveLines = $term->total_rows
825 $topmost_scrollback_row = $term->top_row
826 Return various integers describing terminal characteristics.
251 827
828 $x_display = $term->display_id
829 Return the DISPLAY used by rxvt-unicode.
830
831 $lc_ctype = $term->locale
832 Returns the LC_CTYPE category string used by this rxvt-unicode.
833
252 $nsaved = $term->nsaved 834 $env = $term->env
253 Returns the number of lines in the scrollback buffer. 835 Returns a copy of the environment in effect for the terminal as a
836 hashref similar to "\%ENV".
837
838 $modifiermask = $term->ModLevel3Mask
839 $modifiermask = $term->ModMetaMask
840 $modifiermask = $term->ModNumLockMask
841 Return the modifier masks corresponding to the "ISO Level 3 Shift"
842 (often AltGr), the meta key (often Alt) and the num lock key, if
843 applicable.
844
845 $screen = $term->current_screen
846 Returns the currently displayed screen (0 primary, 1 secondary).
847
848 $cursor_is_hidden = $term->hidden_cursor
849 Returns wether the cursor is currently hidden or not.
254 850
255 $view_start = $term->view_start ([$newvalue]) 851 $view_start = $term->view_start ([$newvalue])
256 Returns the negative row number of the topmost line. Minimum value 852 Returns the row number of the topmost displayed line. Maximum value
257 is 0, which displays the normal terminal contents. Larger values 853 is 0, which displays the normal terminal contents. Lower values
258 scroll this many lines into the scrollback buffer. 854 scroll this many lines into the scrollback buffer.
259 855
260 $term->want_refresh 856 $term->want_refresh
261 Requests a screen refresh. At the next opportunity, rxvt-unicode 857 Requests a screen refresh. At the next opportunity, rxvt-unicode
262 will compare the on-screen display with its stored representation. 858 will compare the on-screen display with its stored representation.
266 862
267 $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 863 $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
268 Returns the text of the entire row with number $row_number. Row 0 is 864 Returns the text of the entire row with number $row_number. Row 0 is
269 the topmost terminal line, row "$term->$ncol-1" is the bottommost 865 the topmost terminal line, row "$term->$ncol-1" is the bottommost
270 terminal line. The scrollback buffer starts at line -1 and extends 866 terminal line. The scrollback buffer starts at line -1 and extends
271 to line "-$term->nsaved". 867 to line "-$term->nsaved". Nothing will be returned if a nonexistent
868 line is requested.
272 869
273 If $new_text is specified, it will replace characters in the current 870 If $new_text is specified, it will replace characters in the current
274 line, starting at column $start_col (default 0), which is useful to 871 line, starting at column $start_col (default 0), which is useful to
275 replace only parts of a line. The font iindex in the rendition will 872 replace only parts of a line. The font index in the rendition will
276 automatically be updated. 873 automatically be updated.
277 874
278 $text is in a special encoding: tabs and wide characters that use 875 $text is in a special encoding: tabs and wide characters that use
279 more than one cell when displayed are padded with urxvt::NOCHAR 876 more than one cell when displayed are padded with $urxvt::NOCHAR
280 characters ("chr 65535"). Characters with combining characters and 877 characters. Characters with combining characters and other
281 other characters that do not fit into the normal tetx encoding will 878 characters that do not fit into the normal tetx encoding will be
282 be replaced with characters in the private use area. 879 replaced with characters in the private use area.
283 880
284 You have to obey this encoding when changing text. The advantage is 881 You have to obey this encoding when changing text. The advantage is
285 that "substr" and similar functions work on screen cells and not on 882 that "substr" and similar functions work on screen cells and not on
286 characters. 883 characters.
287 884
293 Rendition bitsets contain information about colour, font, font 890 Rendition bitsets contain information about colour, font, font
294 styles and similar information. See also "$term->ROW_t". 891 styles and similar information. See also "$term->ROW_t".
295 892
296 When setting rendition, the font mask will be ignored. 893 When setting rendition, the font mask will be ignored.
297 894
298 See the section on RENDITION, below. 895 See the section on RENDITION, above.
299 896
300 $length = $term->ROW_l ($row_number[, $new_length]) 897 $length = $term->ROW_l ($row_number[, $new_length])
301 Returns the number of screen cells that are in use ("the line 898 Returns the number of screen cells that are in use ("the line
302 length"). If it is -1, then the line is part of a multiple-row 899 length"). Unlike the urxvt core, this returns "$term->ncol" if the
303 logical "line", which means all characters are in use and it is 900 line is joined with the following one.
304 continued on the next row. 901
902 $bool = $term->is_longer ($row_number)
903 Returns true if the row is part of a multiple-row logical "line"
904 (i.e. joined with the following row), which means all characters are
905 in use and it is continued on the next row (and possibly a
906 continuation of the previous row(s)).
907
908 $line = $term->line ($row_number)
909 Create and return a new "urxvt::line" object that stores information
910 about the logical line that row $row_number is part of. It supports
911 the following methods:
912
913 $text = $line->t ([$new_text])
914 Returns or replaces the full text of the line, similar to
915 "ROW_t"
916
917 $rend = $line->r ([$new_rend])
918 Returns or replaces the full rendition array of the line,
919 similar to "ROW_r"
920
921 $length = $line->l
922 Returns the length of the line in cells, similar to "ROW_l".
923
924 $rownum = $line->beg
925 $rownum = $line->end
926 Return the row number of the first/last row of the line,
927 respectively.
928
929 $offset = $line->offset_of ($row, $col)
930 Returns the character offset of the given row|col pair within
931 the logical line. Works for rows outside the line, too, and
932 returns corresponding offsets outside the string.
933
934 ($row, $col) = $line->coord_of ($offset)
935 Translates a string offset into terminal coordinates again.
305 936
306 $text = $term->special_encode $string 937 $text = $term->special_encode $string
307 Converts a perl string into the special encoding used by 938 Converts a perl string into the special encoding used by
308 rxvt-unicode, where one character corresponds to one screen cell. 939 rxvt-unicode, where one character corresponds to one screen cell.
309 See "$term->ROW_t" for details. 940 See "$term->ROW_t" for details.
310 941
311 $string = $term->special_decode $text 942 $string = $term->special_decode $text
312 Converts rxvt-unicodes text reprsentation into a perl string. See 943 Converts rxvt-unicodes text reprsentation into a perl string. See
313 "$term->ROW_t" for details. 944 "$term->ROW_t" for details.
314 945
315 RENDITION 946 $success = $term->grab_button ($button, $modifiermask)
316 Rendition bitsets contain information about colour, font, font styles 947 Registers a synchronous button grab. See the XGrabButton manpage.
317 and similar information for each screen cell.
318 948
319 The following "macros" deal with changes in rendition sets. You should 949 $success = $term->grab ($eventtime[, $sync])
320 never just create a bitset, you should always modify an existing one, as 950 Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
321 they contain important information required for correct operation of 951 synchronous ($sync is true). Also remembers the grab timestampe.
322 rxvt-unicode.
323 952
324 $rend = urxvt::DEFAULT_RSTYLE 953 $term->allow_events_async
325 Returns the default rendition, as used when the terminal is starting 954 Calls XAllowEvents with AsyncBoth for the most recent grab.
326 up or being reset. Useful as a base 955
956 $term->allow_events_sync
957 Calls XAllowEvents with SyncBoth for the most recent grab.
958
959 $term->allow_events_replay
960 Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for
961 the most recent grab.
962
963 $term->ungrab
964 Calls XUngrab for the most recent grab. Is called automatically on
965 evaluation errors, as it is better to lose the grab in the error
966 case as the session.
967
968 $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
969 $atom_name = $term->XGetAtomName ($atom)
970 @atoms = $term->XListProperties ($window)
971 ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
972 $term->XChangeWindowProperty ($window, $property, $type, $format,
973 $octets)
974 $term->XDeleteProperty ($window, $property)
975 $window = $term->DefaultRootWindow
976 $term->XReparentWindow ($window, $parent, [$x, $y])
977 $term->XMapWindow ($window)
978 $term->XUnmapWindow ($window)
979 $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
980 ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x,
981 $y)
982 $term->XChangeInput ($window, $add_events[, $del_events])
983 Various X or X-related functions. The $term object only serves as
984 the source of the display, otherwise those functions map
985 more-or-less directory onto the X functions of the same name.
986
987 The "urxvt::popup" Class
988 $popup->add_title ($title)
989 Adds a non-clickable title to the popup.
990
991 $popup->add_separator ([$sepchr])
992 Creates a separator, optionally using the character given as
993 $sepchr.
994
995 $popup->add_button ($text, $cb)
996 Adds a clickable button to the popup. $cb is called whenever it is
997 selected.
998
999 $popup->add_toggle ($text, $cb, $initial_value)
1000 Adds a toggle/checkbox item to the popup. Teh callback gets called
1001 whenever it gets toggled, with a boolean indicating its value as its
1002 first argument.
1003
1004 $popup->show
1005 Displays the popup (which is initially hidden).
327 1006
328 The "urxvt::timer" Class 1007 The "urxvt::timer" Class
329 This class implements timer watchers/events. Time is represented as a 1008 This class implements timer watchers/events. Time is represented as a
330 fractional number of seconds since the epoch. Example: 1009 fractional number of seconds since the epoch. Example:
331 1010
332 # create a digital clock display in upper right corner 1011 $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0);
333 $term->{timer} = urxvt::timer 1012 $term->{timer} = urxvt::timer
334 ->new 1013 ->new
335 ->start (urxvt::NOW) 1014 ->interval (1)
336 ->cb (sub { 1015 ->cb (sub {
337 my ($timer) = @_;
338 my $time = $timer->at;
339 $timer->start ($time + 1);
340 $self->scr_overlay (-1, 0, 1016 $term->{overlay}->set (0, 0,
341 POSIX::strftime "%H:%M:%S", localtime $time); 1017 sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
342 }); 1018 });
343 1019
344 $timer = new urxvt::timer 1020 $timer = new urxvt::timer
345 Create a new timer object in stopped state. 1021 Create a new timer object in started state. It is scheduled to fire
1022 immediately.
346 1023
347 $timer = $timer->cb (sub { my ($timer) = @_; ... }) 1024 $timer = $timer->cb (sub { my ($timer) = @_; ... })
348 Set the callback to be called when the timer triggers. 1025 Set the callback to be called when the timer triggers.
349 1026
350 $tstamp = $timer->at 1027 $tstamp = $timer->at
351 Return the time this watcher will fire next. 1028 Return the time this watcher will fire next.
352 1029
353 $timer = $timer->set ($tstamp) 1030 $timer = $timer->set ($tstamp)
354 Set the time the event is generated to $tstamp. 1031 Set the time the event is generated to $tstamp.
355 1032
1033 $timer = $timer->interval ($interval)
1034 Normally (and when $interval is 0), the timer will automatically
1035 stop after it has fired once. If $interval is non-zero, then the
1036 timer is automatically rescheduled at the given intervals.
1037
356 $timer = $timer->start 1038 $timer = $timer->start
357 Start the timer. 1039 Start the timer.
358 1040
359 $timer = $timer->start ($tstamp) 1041 $timer = $timer->start ($tstamp)
360 Set the event trigger time to $tstamp and start the timer. 1042 Set the event trigger time to $tstamp and start the timer.
1043
1044 $timer = $timer->after ($delay)
1045 Like "start", but sets the expiry timer to c<urxvt::NOW + $delay>.
361 1046
362 $timer = $timer->stop 1047 $timer = $timer->stop
363 Stop the timer. 1048 Stop the timer.
364 1049
365 The "urxvt::iow" Class 1050 The "urxvt::iow" Class
367 1052
368 $term->{socket} = ... 1053 $term->{socket} = ...
369 $term->{iow} = urxvt::iow 1054 $term->{iow} = urxvt::iow
370 ->new 1055 ->new
371 ->fd (fileno $term->{socket}) 1056 ->fd (fileno $term->{socket})
372 ->events (1) # wait for read data 1057 ->events (urxvt::EVENT_READ)
373 ->start 1058 ->start
374 ->cb (sub { 1059 ->cb (sub {
375 my ($iow, $revents) = @_; 1060 my ($iow, $revents) = @_;
376 # $revents must be 1 here, no need to check 1061 # $revents must be 1 here, no need to check
377 sysread $term->{socket}, my $buf, 8192 1062 sysread $term->{socket}, my $buf, 8192
387 1072
388 $iow = $iow->fd ($fd) 1073 $iow = $iow->fd ($fd)
389 Set the filedescriptor (not handle) to watch. 1074 Set the filedescriptor (not handle) to watch.
390 1075
391 $iow = $iow->events ($eventmask) 1076 $iow = $iow->events ($eventmask)
392 Set the event mask to watch. Bit #0 (value 1) enables watching for 1077 Set the event mask to watch. The only allowed values are
393 read data, Bit #1 (value 2) enables watching for write data. 1078 "urxvt::EVENT_READ" and "urxvt::EVENT_WRITE", which might be ORed
1079 together, or "urxvt::EVENT_NONE".
394 1080
395 $iow = $iow->start 1081 $iow = $iow->start
396 Start watching for requested events on the given handle. 1082 Start watching for requested events on the given handle.
397 1083
398 $iow = $iow->stop 1084 $iow = $iow->stop
399 Stop watching for events on the given filehandle. 1085 Stop watching for events on the given filehandle.
1086
1087 The "urxvt::iw" Class
1088 This class implements idle watchers, that get called automatically when
1089 the process is idle. They should return as fast as possible, after doing
1090 some useful work.
1091
1092 $iw = new urxvt::iw
1093 Create a new idle watcher object in stopped state.
1094
1095 $iw = $iw->cb (sub { my ($iw) = @_; ... })
1096 Set the callback to be called when the watcher triggers.
1097
1098 $timer = $timer->start
1099 Start the watcher.
1100
1101 $timer = $timer->stop
1102 Stop the watcher.
1103
1104 The "urxvt::pw" Class
1105 This class implements process watchers. They create an event whenever a
1106 process exits, after which they stop automatically.
1107
1108 my $pid = fork;
1109 ...
1110 $term->{pw} = urxvt::pw
1111 ->new
1112 ->start ($pid)
1113 ->cb (sub {
1114 my ($pw, $exit_status) = @_;
1115 ...
1116 });
1117
1118 $pw = new urxvt::pw
1119 Create a new process watcher in stopped state.
1120
1121 $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1122 Set the callback to be called when the timer triggers.
1123
1124 $pw = $timer->start ($pid)
1125 Tells the wqtcher to start watching for process $pid.
1126
1127 $pw = $pw->stop
1128 Stop the watcher.
400 1129
401ENVIRONMENT 1130ENVIRONMENT
402 URXVT_PERL_VERBOSITY 1131 URXVT_PERL_VERBOSITY
403 This variable controls the verbosity level of the perl extension. Higher 1132 This variable controls the verbosity level of the perl extension. Higher
404 numbers indicate more verbose output. 1133 numbers indicate more verbose output.
405 1134
406 0 - only fatal messages 1135 == 0 - fatal messages
407 3 - script loading and management 1136 >= 3 - script loading and management
408 10 - all events received 1137 >=10 - all called hooks
1138 >=11 - hook reutrn values
409 1139
410AUTHOR 1140AUTHOR
411 Marc Lehmann <pcg@goof.com> 1141 Marc Lehmann <pcg@goof.com>
412 http://software.schmorp.de/pkg/rxvt-unicode 1142 http://software.schmorp.de/pkg/rxvt-unicode
413 1143

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