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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.86 by root, Thu Jan 12 05:22:47 2006 UTC vs.
Revision 1.132 by root, Mon Feb 6 05:40:15 2006 UTC

35 35
36You can activate them like this: 36You can activate them like this:
37 37
38 @@RXVT_NAME@@ -pe <extensionname> 38 @@RXVT_NAME@@ -pe <extensionname>
39 39
40Or by adding them to the resource for extensions loaded by default:
41
42 URxvt.perl-ext-common: default,automove-background,selection-autotransform
43
40=over 4 44=over 4
41 45
42=item selection (enabled by default) 46=item selection (enabled by default)
43 47
44(More) intelligent selection. This extension tries to be more intelligent 48(More) intelligent selection. This extension tries to be more intelligent
45when the user extends selections (double-click). Right now, it tries to 49when the user extends selections (double-click and further clicks). Right
46select urls and complete shell-quoted arguments, which is very convenient, 50now, it tries to select words, urls and complete shell-quoted
47too, if your F<ls> supports C<--quoting-style=shell>. 51arguments, which is very convenient, too, if your F<ls> supports
52C<--quoting-style=shell>.
48 53
54A double-click usually selects the word under the cursor, further clicks
55will enlarge the selection.
56
57The selection works by trying to match a number of regexes and displaying
58them in increasing order of length. You can add your own regexes by
59specifying resources of the form:
60
61 URxvt.selection.pattern-0: perl-regex
62 URxvt.selection.pattern-1: perl-regex
63 ...
64
65The index number (0, 1...) must not have any holes, and each regex must
66contain at least one pair of capturing parentheses, which will be used for
67the match. For example, the followign adds a regex that matches everything
68between two vertical bars:
69
70 URxvt.selection.pattern-0: \\|([^|]+)\\|
71
72Another example: Programs I use often output "absolute path: " at the
73beginning of a line when they process multiple files. The following
74pattern matches the filename (note, there is a single space at the very
75end):
76
77 URxvt.selection.pattern-0: ^(/[^:]+):\
78
79You can look at the source of the selection extension to see more
80interesting uses, such as parsing a line from beginning to end.
81
49It also offers the following bindable keyboard command: 82This extension also offers following bindable keyboard commands:
50 83
51=over 4 84=over 4
52 85
53=item rot13 86=item rot13
54 87
65 98
66=item selection-popup (enabled by default) 99=item selection-popup (enabled by default)
67 100
68Binds a popup menu to Ctrl-Button3 that lets you convert the selection 101Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69text into various other formats/action (such as uri unescaping, perl 102text into various other formats/action (such as uri unescaping, perl
70evalution, web-browser starting etc.), depending on content. 103evaluation, web-browser starting etc.), depending on content.
104
105Other extensions can extend this popup menu by pushing a code reference
106onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
107popup is displayed.
108
109It's sole argument is the popup menu, which can be modified. The selection
110is in C<$_>, which can be used to decide wether to add something or not.
111It should either return nothing or a string and a code reference. The
112string will be used as button text and the code reference will be called
113when the button gets activated and should transform C<$_>.
114
115The following will add an entry C<a to b> that transforms all C<a>s in
116the selection to C<b>s, but only if the selection currently contains any
117C<a>s:
118
119 push @{ $self->{term}{selection_popup_hook} }, sub {
120 /a/ ? ("a to be" => sub { s/a/b/g }
121 : ()
122 };
71 123
72=item searchable-scrollback<hotkey> (enabled by default) 124=item searchable-scrollback<hotkey> (enabled by default)
73 125
74Adds regex search functionality to the scrollback buffer, triggered 126Adds regex search functionality to the scrollback buffer, triggered
75by a hotkey (default: C<M-s>). When in search mode, normal terminal 127by a hotkey (default: C<M-s>). While in search mode, normal terminal
76input/output is suspended. 128input/output is suspended and a regex is displayed at the bottom of the
129screen.
77 130
78C</> starts an incremental regex search, C<n> searches further, C<p> or 131Inputting characters appends them to the regex and continues incremental
79C<N> jump to the previous match, C<G> jumps to the bottom and clears the 132search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
80history, C<enter> leaves search mode at the current position and C<escape> 133search upwards/downwards in the scrollback buffer, C<End> jumps to the
81returns to the original position. 134bottom. C<Escape> leaves search mode and returns to the point where search
135was started, while C<Enter> or C<Return> stay at the current position and
136additionally stores the first match in the current line into the primary
137selection.
82 138
83=item digital-clock 139=item readline (enabled by default)
84 140
85Displays a digital clock using the built-in overlay. 141A support package that tries to make editing with readline easier. At the
142moment, it reacts to clicking with the left mouse button by trying to
143move the text cursor to this position. It does so by generating as many
144cursor-left or cursor-right keypresses as required (the this only works
145for programs that correctly support wide characters).
146
147To avoid too many false positives, this is only done when:
148
149=over 4
150
151=item - the tty is in ICANON state.
152
153=item - the text cursor is visible.
154
155=item - the primary screen is currently being displayed.
156
157=item - the mouse is on the same (multi-row-) line as the text cursor.
158
159=back
160
161The normal selection mechanism isn't disabled, so quick successive clicks
162might interfere with selection creation in harmless ways.
163
164=item selection-autotransform
165
166This selection allows you to do automatic transforms on a selection
167whenever a selection is made.
168
169It works by specifying perl snippets (most useful is a single C<s///>
170operator) that modify C<$_> as resources:
171
172 URxvt.selection-autotransform.0: transform
173 URxvt.selection-autotransform.1: transform
174 ...
175
176For example, the following will transform selections of the form
177C<filename:number>, often seen in compiler messages, into C<vi +$filename
178$word>:
179
180 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
181
182And this example matches the same,but replaces it with vi-commands you can
183paste directly into your (vi :) editor:
184
185 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
186
187Of course, this can be modified to suit your needs and your editor :)
188
189To expand the example above to typical perl error messages ("XXX at
190FILENAME line YYY."), you need a slightly more elaborate solution:
191
192 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
193 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
194
195The first line tells the selection code to treat the unchanging part of
196every error message as a selection pattern, and the second line transforms
197the message into vi commands to load the file.
198
199=item tabbed
200
201This transforms the terminal into a tabbar with additional terminals, that
202is, it implements what is commonly refered to as "tabbed terminal". The topmost line
203displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
204button per tab.
205
206Clicking a button will activate that tab. Pressing B<Shift-Left> and
207B<Shift-Right> will switch to the tab left or right of the current one,
208while B<Shift-Down> creates a new tab.
209
210The tabbar itself can be configured similarly to a normal terminal, but
211with a resource class of C<URxvt.tabbed>. In addition, it supports the
212following four resources (shown with defaults):
213
214 URxvt.tabbed.tabbar-fg: <colour-index, default 3>
215 URxvt.tabbed.tabbar-bg: <colour-index, default 0>
216 URxvt.tabbed.tab-fg: <colour-index, default 0>
217 URxvt.tabbed.tab-bg: <colour-index, default 1>
218
219See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
220indices.
86 221
87=item mark-urls 222=item mark-urls
88 223
89Uses per-line display filtering (C<on_line_update>) to underline urls and 224Uses per-line display filtering (C<on_line_update>) to underline urls and
90make them clickable. When middle-clicked, the program specified in the 225make them clickable. When middle-clicked, the program specified in the
91resource C<urlLauncher> (default C<x-www-browser>) will be started. 226resource C<urlLauncher> (default C<x-www-browser>) will be started with
227the URL as first argument.
228
229=item xim-onthespot
230
231This (experimental) perl extension implements OnTheSpot editing. It does
232not work perfectly, and some input methods don't seem to work well with
233OnTheSpot editing in general, but it seems to work at leats for SCIM and
234kinput2.
235
236You enable it by specifying this extension and a preedit style of
237C<OnTheSpot>, i.e.:
238
239 @@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
240
241=item automove-background
242
243This is basically a one-line extension that dynamically changes the background pixmap offset
244to the window position, in effect creating the same effect as pseudo transparency with
245a custom pixmap. No scaling is supported in this mode. Exmaple:
246
247 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
92 248
93=item block-graphics-to-ascii 249=item block-graphics-to-ascii
94 250
95A not very useful example of filtering all text output to the terminal, 251A not very useful example of filtering all text output to the terminal,
96by replacing all line-drawing characters (U+2500 .. U+259F) by a 252by replacing all line-drawing characters (U+2500 .. U+259F) by a
97similar-looking ascii character. 253similar-looking ascii character.
254
255=item digital-clock
256
257Displays a digital clock using the built-in overlay.
258
259=item remote-clipboard
260
261Somewhat of a misnomer, this extension adds two menu entries to the
262selection popup that allows one ti run external commands to store the
263selection somewhere and fetch it again.
264
265We use it to implement a "distributed selection mechanism", which just
266means that one command uploads the file to a remote server, and another
267reads it.
268
269The commands can be set using the C<URxvt.remote-selection.store> and
270C<URxvt.remote-selection.fetch> resources. The first should read the
271selection to store from STDIN (always in UTF-8), the second should provide
272the selection data on STDOUT (also in UTF-8).
273
274The defaults (which are likely useless to you) use rsh and cat:
275
276 URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
277 URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
278
279=item selection-pastebin
280
281This is a little rarely useful extension that Uploads the selection as
282textfile to a remote site (or does other things). (The implementation is
283not currently secure for use in a multiuser environment as it writes to
284F</tmp> directly.).
285
286It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
287i.e.
288
289 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
290
291Pressing this combination runs a command with C<%> replaced by the name of
292the textfile. This command can be set via a resource:
293
294 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
295
296And the default is likely not useful to anybody but the few people around
297here :)
298
299The name of the textfile is the hex encoded md5 sum of the selection, so
300the same content should lead to the same filename.
301
302After a successful upload the selection will be replaced by the text given
303in the C<selection-pastebin-url> resource (again, the % is the placeholder
304for the filename):
305
306 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
98 307
99=item example-refresh-hooks 308=item example-refresh-hooks
100 309
101Displays a very simple digital clock in the upper right corner of the 310Displays a very simple digital clock in the upper right corner of the
102window. Illustrates overwriting the refresh callbacks to create your own 311window. Illustrates overwriting the refresh callbacks to create your own
181called whenever the relevant event happens. 390called whenever the relevant event happens.
182 391
183The first argument passed to them is an extension oject as described in 392The first argument passed to them is an extension oject as described in
184the in the C<Extension Objects> section. 393the in the C<Extension Objects> section.
185 394
186B<All> of these hooks must return a boolean value. If it is true, then the 395B<All> of these hooks must return a boolean value. If any of the called
187event counts as being I<consumed>, and the invocation of other hooks is 396hooks returns true, then the event counts as being I<consumed>, and the
188skipped, and the relevant action might not be carried out by the C++ code. 397relevant action might not be carried out by the C++ code.
189 398
190I<< When in doubt, return a false value (preferably C<()>). >> 399I<< When in doubt, return a false value (preferably C<()>). >>
191 400
192=over 4 401=over 4
193 402
194=item on_init $term 403=item on_init $term
195 404
196Called after a new terminal object has been initialized, but before 405Called after a new terminal object has been initialized, but before
197windows are created or the command gets run. Most methods are unsafe to 406windows are created or the command gets run. Most methods are unsafe to
198call or deliver senseless data, as terminal size and other characteristics 407call or deliver senseless data, as terminal size and other characteristics
199have not yet been determined. You can safely query and change resources, 408have not yet been determined. You can safely query and change resources
200though. 409and options, though. For many purposes the C<on_start> hook is a better
410place.
411
412=item on_start $term
413
414Called at the very end of initialisation of a new terminal, just before
415trying to map (display) the toplevel and returning to the mainloop.
416
417=item on_destroy $term
418
419Called whenever something tries to destroy terminal, when the terminal is
420still fully functional (not for long, though).
201 421
202=item on_reset $term 422=item on_reset $term
203 423
204Called after the screen is "reset" for any reason, such as resizing or 424Called after the screen is "reset" for any reason, such as resizing or
205control sequences. Here is where you can react on changes to size-related 425control sequences. Here is where you can react on changes to size-related
206variables. 426variables.
207 427
208=item on_start $term 428=item on_child_start $term, $pid
209 429
210Called at the very end of initialisation of a new terminal, just before 430Called just after the child process has been C<fork>ed.
211returning to the mainloop. 431
432=item on_child_exit $term, $status
433
434Called just after the child process has exited. C<$status> is the status
435from C<waitpid>.
212 436
213=item on_sel_make $term, $eventtime 437=item on_sel_make $term, $eventtime
214 438
215Called whenever a selection has been made by the user, but before the 439Called whenever a selection has been made by the user, but before the
216selection text is copied, so changes to the beginning, end or type of the 440selection text is copied, so changes to the beginning, end or type of the
303 527
304=item on_refresh_end $term 528=item on_refresh_end $term
305 529
306Called just after the screen gets redrawn. See C<on_refresh_begin>. 530Called just after the screen gets redrawn. See C<on_refresh_begin>.
307 531
308=item on_keyboard_command $term, $string 532=item on_user_command $term, $string
309 533
310Called whenever the user presses a key combination that has a 534Called whenever the a user-configured event is being activated (e.g. via
311C<perl:string> action bound to it (see description of the B<keysym> 535a C<perl:string> action bound to a key, see description of the B<keysym>
312resource in the @@RXVT_NAME@@(1) manpage). 536resource in the @@RXVT_NAME@@(1) manpage).
537
538The event is simply the action string. This interface is assumed to change
539slightly in the future.
540
541=item on_x_event $term, $event
542
543Called on every X event received on the vt window (and possibly other
544windows). Should only be used as a last resort. Most event structure
545members are not passed.
313 546
314=item on_focus_in $term 547=item on_focus_in $term
315 548
316Called whenever the window gets the keyboard focus, before rxvt-unicode 549Called whenever the window gets the keyboard focus, before rxvt-unicode
317does focus in processing. 550does focus in processing.
319=item on_focus_out $term 552=item on_focus_out $term
320 553
321Called wheneever the window loses keyboard focus, before rxvt-unicode does 554Called wheneever the window loses keyboard focus, before rxvt-unicode does
322focus out processing. 555focus out processing.
323 556
557=item on_configure_notify $term, $event
558
559=item on_property_notify $term, $event
560
324=item on_key_press $term, $event, $keysym, $octets 561=item on_key_press $term, $event, $keysym, $octets
325 562
326=item on_key_release $term, $event, $keysym 563=item on_key_release $term, $event, $keysym
327 564
328=item on_button_press $term, $event 565=item on_button_press $term, $event
337 574
338Called whenever the corresponding X event is received for the terminal If 575Called whenever the corresponding X event is received for the terminal If
339the hook returns true, then the even will be ignored by rxvt-unicode. 576the hook returns true, then the even will be ignored by rxvt-unicode.
340 577
341The event is a hash with most values as named by Xlib (see the XEvent 578The event is a hash with most values as named by Xlib (see the XEvent
342manpage), with the additional members C<row> and C<col>, which are the row 579manpage), with the additional members C<row> and C<col>, which are the
343and column under the mouse cursor. 580(real, not screen-based) row and column under the mouse cursor.
344 581
345C<on_key_press> additionally receives the string rxvt-unicode would 582C<on_key_press> additionally receives the string rxvt-unicode would
346output, if any, in locale-specific encoding. 583output, if any, in locale-specific encoding.
347 584
348subwindow. 585subwindow.
586
587=item on_client_message $term, $event
588
589=item on_wm_protocols $term, $event
590
591=item on_wm_delete_window $term, $event
592
593Called when various types of ClientMessage events are received (all with
594format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
349 595
350=back 596=back
351 597
352=cut 598=cut
353 599
359use Scalar::Util (); 605use Scalar::Util ();
360use List::Util (); 606use List::Util ();
361 607
362our $VERSION = 1; 608our $VERSION = 1;
363our $TERM; 609our $TERM;
610our @TERM_INIT;
611our @TERM_EXT;
364our @HOOKNAME; 612our @HOOKNAME;
365our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 613our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
366our %OPTION; 614our %OPTION;
367 615
368our $LIBDIR; 616our $LIBDIR;
369our $RESNAME; 617our $RESNAME;
370our $RESCLASS; 618our $RESCLASS;
371our $RXVTNAME; 619our $RXVTNAME;
372 620
621our $NOCHAR = chr 0xffff;
622
373=head2 Variables in the C<urxvt> Package 623=head2 Variables in the C<urxvt> Package
374 624
375=over 4 625=over 4
376 626
377=item $urxvt::LIBDIR 627=item $urxvt::LIBDIR
389 639
390=item $urxvt::TERM 640=item $urxvt::TERM
391 641
392The current terminal. This variable stores the current C<urxvt::term> 642The current terminal. This variable stores the current C<urxvt::term>
393object, whenever a callback/hook is executing. 643object, whenever a callback/hook is executing.
644
645=item @urxvt::TERM_INIT
646
647All coderefs in this array will be called as methods of the next newly
648created C<urxvt::term> object (during the C<on_init> phase). The array
649gets cleared before the codereferences that were in it are being executed,
650so coderefs can push themselves onto it again if they so desire.
651
652This complements to the perl-eval commandline option, but gets executed
653first.
654
655=item @urxvt::TERM_EXT
656
657Works similar to C<@TERM_INIT>, but contains perl package/class names, which
658get registered as normal extensions after calling the hooks in C<@TERM_INIT>
659but before other extensions. Gets cleared just like C<@TERM_INIT>.
394 660
395=back 661=back
396 662
397=head2 Functions in the C<urxvt> Package 663=head2 Functions in the C<urxvt> Package
398 664
413Using this function has the advantage that its output ends up in the 679Using this function has the advantage that its output ends up in the
414correct place, e.g. on stderr of the connecting urxvtc client. 680correct place, e.g. on stderr of the connecting urxvtc client.
415 681
416Messages have a size limit of 1023 bytes currently. 682Messages have a size limit of 1023 bytes currently.
417 683
418=item $is_safe = urxvt::safe 684=item @terms = urxvt::termlist
419 685
420Returns true when it is safe to do potentially unsafe things, such as 686Returns all urxvt::term objects that exist in this process, regardless of
421evaluating perl code specified by the user. This is true when urxvt was 687wether they are started, being destroyed etc., so be careful. Only term
422started setuid or setgid. 688objects that have perl extensions attached will be returned (because there
689is no urxvt::term objet associated with others).
423 690
424=item $time = urxvt::NOW 691=item $time = urxvt::NOW
425 692
426Returns the "current time" (as per the event loop). 693Returns the "current time" (as per the event loop).
427 694
428=item urxvt::CurrentTime 695=item urxvt::CurrentTime
429 696
430=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, 697=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
431Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, 698Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
432Button4Mask, Button5Mask, AnyModifier 699Button4Mask, Button5Mask, AnyModifier
700
701=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
702ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
703PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
704Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
705KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
706ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
707FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
708
709=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
710EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
711GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
712UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
713ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
714CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
715SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
433 716
434Various constants for use in X calls and event processing. 717Various constants for use in X calls and event processing.
435 718
436=back 719=back
437 720
470 753
471=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour 754=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
472 755
473=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour 756=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
474 757
758=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
759
475Replace the foreground/background colour in the rendition mask with the 760Replace the foreground/background colour in the rendition mask with the
476specified one. 761specified one.
477 762
478=item $value = urxvt::GET_CUSTOM $rend 763=item $value = urxvt::GET_CUSTOM $rend
479 764
488=back 773=back
489 774
490=cut 775=cut
491 776
492BEGIN { 777BEGIN {
493 urxvt->bootstrap;
494
495 # overwrite perl's warn 778 # overwrite perl's warn
496 *CORE::GLOBAL::warn = sub { 779 *CORE::GLOBAL::warn = sub {
497 my $msg = join "", @_; 780 my $msg = join "", @_;
498 $msg .= "\n" 781 $msg .= "\n"
499 unless $msg =~ /\n$/; 782 unless $msg =~ /\n$/;
500 urxvt::warn ($msg); 783 urxvt::warn ($msg);
501 }; 784 };
502
503 # %ENV is the original startup environment
504 delete $ENV{IFS};
505 delete $ENV{CDPATH};
506 delete $ENV{BASH_ENV};
507 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
508} 785}
509 786
510my @hook_count; 787no warnings 'utf8';
788
511my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 789my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
512 790
513sub verbose { 791sub verbose {
514 my ($level, $msg) = @_; 792 my ($level, $msg) = @_;
515 warn "$msg\n" if $level <= $verbosity; 793 warn "$msg\n" if $level <= $verbosity;
516} 794}
517 795
518my $extension_pkg = "extension0000";
519my %extension_pkg; 796my %extension_pkg;
520 797
521# load a single script into its own package, once only 798# load a single script into its own package, once only
522sub extension_package($) { 799sub extension_package($) {
523 my ($path) = @_; 800 my ($path) = @_;
524 801
525 $extension_pkg{$path} ||= do { 802 $extension_pkg{$path} ||= do {
526 my $pkg = "urxvt::" . ($extension_pkg++); 803 $path =~ /([^\/\\]+)$/;
804 my $pkg = $1;
805 $pkg =~ s/[^[:word:]]/_/g;
806 $pkg = "urxvt::ext::$pkg";
527 807
528 verbose 3, "loading extension '$path' into package '$pkg'"; 808 verbose 3, "loading extension '$path' into package '$pkg'";
529 809
530 open my $fh, "<:raw", $path 810 open my $fh, "<:raw", $path
531 or die "$path: $!"; 811 or die "$path: $!";
532 812
533 my $source = untaint 813 my $source =
534 "package $pkg; use strict; use utf8;\n" 814 "package $pkg; use strict; use utf8; no warnings 'utf8';\n"
535 . "use base urxvt::term::extension::;\n"
536 . "#line 1 \"$path\"\n{\n" 815 . "#line 1 \"$path\"\n{\n"
537 . (do { local $/; <$fh> }) 816 . (do { local $/; <$fh> })
538 . "\n};\n1"; 817 . "\n};\n1";
539 818
540 eval $source 819 eval $source
554 if ($htype == 0) { # INIT 833 if ($htype == 0) { # INIT
555 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 834 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
556 835
557 my %ext_arg; 836 my %ext_arg;
558 837
838 {
839 my @init = @TERM_INIT;
840 @TERM_INIT = ();
841 $_->($TERM) for @init;
842 my @pkg = @TERM_EXT;
843 @TERM_EXT = ();
844 $TERM->register_package ($_) for @pkg;
845 }
846
559 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 847 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
560 if ($_ eq "default") { 848 if ($_ eq "default") {
561 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 849 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
562 } elsif (/^-(.*)$/) { 850 } elsif (/^-(.*)$/) {
563 delete $ext_arg{$1}; 851 delete $ext_arg{$1};
564 } elsif (/^([^<]+)<(.*)>$/) { 852 } elsif (/^([^<]+)<(.*)>$/) {
565 push @{ $ext_arg{$1} }, $2; 853 push @{ $ext_arg{$1} }, $2;
566 } else { 854 } else {
589 if $verbosity >= 10; 877 if $verbosity >= 10;
590 878
591 keys %$cb; 879 keys %$cb;
592 880
593 while (my ($pkg, $cb) = each %$cb) { 881 while (my ($pkg, $cb) = each %$cb) {
594 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 882 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
595 and last; 883 $retval ||= $retval_;
596 884
597 if ($@) { 885 if ($@) {
598 $TERM->ungrab; # better to lose the grab than the session 886 $TERM->ungrab; # better to lose the grab than the session
599 warn $@; 887 warn $@;
600 } 888 }
603 verbose 11, "$HOOKNAME[$htype] returning <$retval>" 891 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
604 if $verbosity >= 11; 892 if $verbosity >= 11;
605 } 893 }
606 894
607 if ($htype == 1) { # DESTROY 895 if ($htype == 1) { # DESTROY
608 if (my $hook = delete $TERM->{_hook}) {
609 for my $htype (0..$#$hook) {
610 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
611 or set_should_invoke $htype, 0;
612 }
613 }
614
615 # clear package objects 896 # clear package objects
616 %$_ = () for values %{ $TERM->{_pkg} }; 897 %$_ = () for values %{ $TERM->{_pkg} };
617 898
618 # clear package 899 # clear package
619 %$TERM = (); 900 %$TERM = ();
620 } 901 }
621 902
622 $retval 903 $retval
623} 904}
624 905
625sub exec_async(@) { 906sub SET_COLOR($$$) {
626 my $pid = fork; 907 SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
627
628 return
629 if !defined $pid or $pid;
630
631 %ENV = %{ $TERM->env };
632
633 exec @_;
634 _exit 255;
635} 908}
636 909
637# urxvt::term::extension 910# urxvt::term::extension
638 911
639package urxvt::term::extension; 912package urxvt::term::extension;
645 while (my ($name, $cb) = each %hook) { 918 while (my ($name, $cb) = each %hook) {
646 my $htype = $HOOKTYPE{uc $name}; 919 my $htype = $HOOKTYPE{uc $name};
647 defined $htype 920 defined $htype
648 or Carp::croak "unsupported hook type '$name'"; 921 or Carp::croak "unsupported hook type '$name'";
649 922
923 $self->set_should_invoke ($htype, +1)
650 unless (exists $self->{term}{_hook}[$htype]{$pkg}) { 924 unless exists $self->{term}{_hook}[$htype]{$pkg};
651 $hook_count[$htype]++
652 or urxvt::set_should_invoke $htype, 1;
653 }
654 925
655 $self->{term}{_hook}[$htype]{$pkg} = $cb; 926 $self->{term}{_hook}[$htype]{$pkg} = $cb;
656 } 927 }
657} 928}
658 929
663 for my $name (@hook) { 934 for my $name (@hook) {
664 my $htype = $HOOKTYPE{uc $name}; 935 my $htype = $HOOKTYPE{uc $name};
665 defined $htype 936 defined $htype
666 or Carp::croak "unsupported hook type '$name'"; 937 or Carp::croak "unsupported hook type '$name'";
667 938
939 $self->set_should_invoke ($htype, -1)
668 if (delete $self->{term}{_hook}[$htype]{$pkg}) { 940 if delete $self->{term}{_hook}[$htype]{$pkg};
669 --$hook_count[$htype]
670 or urxvt::set_should_invoke $htype, 0;
671 }
672 } 941 }
673} 942}
674 943
675our $AUTOLOAD; 944our $AUTOLOAD;
676 945
782# find on_xxx subs in the package and register them 1051# find on_xxx subs in the package and register them
783# as hooks 1052# as hooks
784sub register_package { 1053sub register_package {
785 my ($self, $pkg, $argv) = @_; 1054 my ($self, $pkg, $argv) = @_;
786 1055
1056 no strict 'refs';
1057
1058 urxvt::verbose 6, "register package $pkg to $self";
1059
1060 @{"$pkg\::ISA"} = urxvt::term::extension::;
1061
787 my $proxy = bless { 1062 my $proxy = bless {
788 _pkg => $pkg, 1063 _pkg => $pkg,
789 argv => $argv, 1064 argv => $argv,
790 }, $pkg; 1065 }, $pkg;
791 Scalar::Util::weaken ($proxy->{term} = $self); 1066 Scalar::Util::weaken ($proxy->{term} = $self);
806hash which defines the environment of the new terminal. 1081hash which defines the environment of the new terminal.
807 1082
808Croaks (and probably outputs an error message) if the new instance 1083Croaks (and probably outputs an error message) if the new instance
809couldn't be created. Returns C<undef> if the new instance didn't 1084couldn't be created. Returns C<undef> if the new instance didn't
810initialise perl, and the terminal object otherwise. The C<init> and 1085initialise perl, and the terminal object otherwise. The C<init> and
811C<start> hooks will be called during this call. 1086C<start> hooks will be called before this call returns, and are free to
1087refer to global data (which is race free).
812 1088
813=cut 1089=cut
814 1090
815sub new { 1091sub new {
816 my ($class, $env, @args) = @_; 1092 my ($class, $env, @args) = @_;
817 1093
1094 $env or Carp::croak "environment hash missing in call to urxvt::term->new";
1095 @args or Carp::croak "name argument missing in call to urxvt::term->new";
1096
818 _new ([ map "$_=$env->{$_}", keys %$env ], @args); 1097 _new ([ map "$_=$env->{$_}", keys %$env ], \@args);
819} 1098}
820 1099
821=item $term->destroy 1100=item $term->destroy
822 1101
823Destroy the terminal object (close the window, free resources 1102Destroy the terminal object (close the window, free resources
824etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1103etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
825watchers (timers, io watchers) are still active. 1104watchers (timers, io watchers) are still active.
826 1105
1106=item $term->exec_async ($cmd[, @args])
1107
1108Works like the combination of the C<fork>/C<exec> builtins, which executes
1109("starts") programs in the background. This function takes care of setting
1110the user environment before exec'ing the command (e.g. C<PATH>) and should
1111be preferred over explicit calls to C<exec> or C<system>.
1112
1113Returns the pid of the subprocess or C<undef> on error.
1114
1115=cut
1116
1117sub exec_async {
1118 my $self = shift;
1119
1120 my $pid = fork;
1121
1122 return $pid
1123 if !defined $pid or $pid;
1124
1125 %ENV = %{ $self->env };
1126
1127 exec @_;
1128 urxvt::_exit 255;
1129}
1130
827=item $isset = $term->option ($optval[, $set]) 1131=item $isset = $term->option ($optval[, $set])
828 1132
829Returns true if the option specified by C<$optval> is enabled, and 1133Returns true if the option specified by C<$optval> is enabled, and
830optionally change it. All option values are stored by name in the hash 1134optionally change it. All option values are stored by name in the hash
831C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1135C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
833Here is a a likely non-exhaustive list of option names, please see the 1137Here is a a likely non-exhaustive list of option names, please see the
834source file F</src/optinc.h> to see the actual list: 1138source file F</src/optinc.h> to see the actual list:
835 1139
836 borderLess console cursorBlink cursorUnderline hold iconic insecure 1140 borderLess console cursorBlink cursorUnderline hold iconic insecure
837 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1141 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
838 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1142 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
839 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1143 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
840 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1144 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
841 tripleclickwords utmpInhibit visualBell 1145 transparent tripleclickwords utmpInhibit visualBell
842 1146
843=item $value = $term->resource ($name[, $newval]) 1147=item $value = $term->resource ($name[, $newval])
844 1148
845Returns the current resource value associated with a given name and 1149Returns the current resource value associated with a given name and
846optionally sets a new value. Setting values is most useful in the C<init> 1150optionally sets a new value. Setting values is most useful in the C<init>
863 1167
864 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1168 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
865 borderLess color cursorBlink cursorUnderline cutchars delete_key 1169 borderLess color cursorBlink cursorUnderline cutchars delete_key
866 display_name embed ext_bwidth fade font geometry hold iconName 1170 display_name embed ext_bwidth fade font geometry hold iconName
867 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1171 imFont imLocale inputMethod insecure int_bwidth intensityStyles
868 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1172 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
869 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1173 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
870 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1174 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
871 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1175 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
872 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1176 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
873 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1177 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
874 shade term_name title transparent transparent_all tripleclickwords 1178 secondaryScreen secondaryScroll selectstyle shade term_name title
875 utmpInhibit visualBell 1179 transient_for transparent transparent_all tripleclickwords utmpInhibit
1180 visualBell
876 1181
877=cut 1182=cut
878 1183
879sub resource($$;$) { 1184sub resource($$;$) {
880 my ($self, $name) = (shift, shift); 1185 my ($self, $name) = (shift, shift);
1054 1359
1055Normally its not a good idea to use this function, as programs might be 1360Normally its not a good idea to use this function, as programs might be
1056confused by changes in cursor position or scrolling. Its useful inside a 1361confused by changes in cursor position or scrolling. Its useful inside a
1057C<on_add_lines> hook, though. 1362C<on_add_lines> hook, though.
1058 1363
1364=item $term->scr_change_screen ($screen)
1365
1366Switch to given screen - 0 primary, 1 secondary.
1367
1059=item $term->cmd_parse ($octets) 1368=item $term->cmd_parse ($octets)
1060 1369
1061Similar to C<scr_add_lines>, but the argument must be in the 1370Similar to C<scr_add_lines>, but the argument must be in the
1062locale-specific encoding of the terminal and can contain command sequences 1371locale-specific encoding of the terminal and can contain command sequences
1063(escape codes) that will be interpreted. 1372(escape codes) that will be interpreted.
1073Replaces the event mask of the pty watcher by the given event mask. Can 1382Replaces the event mask of the pty watcher by the given event mask. Can
1074be used to suppress input and output handling to the pty/tty. See the 1383be used to suppress input and output handling to the pty/tty. See the
1075description of C<< urxvt::timer->events >>. Make sure to always restore 1384description of C<< urxvt::timer->events >>. Make sure to always restore
1076the previous value. 1385the previous value.
1077 1386
1387=item $fd = $term->pty_fd
1388
1389Returns the master file descriptor for the pty in use, or C<-1> if no pty
1390is used.
1391
1078=item $windowid = $term->parent 1392=item $windowid = $term->parent
1079 1393
1080Return the window id of the toplevel window. 1394Return the window id of the toplevel window.
1081 1395
1082=item $windowid = $term->vt 1396=item $windowid = $term->vt
1083 1397
1084Return the window id of the terminal window. 1398Return the window id of the terminal window.
1085 1399
1400=item $term->vt_emask_add ($x_event_mask)
1401
1402Adds the specified events to the vt event mask. Useful e.g. when you want
1403to receive pointer events all the times:
1404
1405 $term->vt_emask_add (urxvt::PointerMotionMask);
1406
1407=item $term->focus_in
1408
1409=item $term->focus_out
1410
1411=item $term->key_press ($state, $keycode[, $time])
1412
1413=item $term->key_release ($state, $keycode[, $time])
1414
1415Deliver various fake events to to terminal.
1416
1086=item $window_width = $term->width 1417=item $window_width = $term->width
1087 1418
1088=item $window_height = $term->height 1419=item $window_height = $term->height
1089 1420
1090=item $font_width = $term->fwidth 1421=item $font_width = $term->fwidth
1103 1434
1104=item $max_scrollback = $term->saveLines 1435=item $max_scrollback = $term->saveLines
1105 1436
1106=item $nrow_plus_saveLines = $term->total_rows 1437=item $nrow_plus_saveLines = $term->total_rows
1107 1438
1108=item $lines_in_scrollback = $term->nsaved 1439=item $topmost_scrollback_row = $term->top_row
1109 1440
1110Return various integers describing terminal characteristics. 1441Return various integers describing terminal characteristics.
1111 1442
1112=item $x_display = $term->display_id 1443=item $x_display = $term->display_id
1113 1444
1139=item $modifiermask = $term->ModNumLockMask 1470=item $modifiermask = $term->ModNumLockMask
1140 1471
1141Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1472Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1142AltGr), the meta key (often Alt) and the num lock key, if applicable. 1473AltGr), the meta key (often Alt) and the num lock key, if applicable.
1143 1474
1475=item $screen = $term->current_screen
1476
1477Returns the currently displayed screen (0 primary, 1 secondary).
1478
1479=item $cursor_is_hidden = $term->hidden_cursor
1480
1481Returns wether the cursor is currently hidden or not.
1482
1144=item $view_start = $term->view_start ([$newvalue]) 1483=item $view_start = $term->view_start ([$newvalue])
1145 1484
1146Returns the negative row number of the topmost line. Minimum value is 1485Returns the row number of the topmost displayed line. Maximum value is
1147C<0>, which displays the normal terminal contents. Larger values scroll 1486C<0>, which displays the normal terminal contents. Lower values scroll
1148this many lines into the scrollback buffer. 1487this many lines into the scrollback buffer.
1149 1488
1150=item $term->want_refresh 1489=item $term->want_refresh
1151 1490
1152Requests a screen refresh. At the next opportunity, rxvt-unicode will 1491Requests a screen refresh. At the next opportunity, rxvt-unicode will
1167line, starting at column C<$start_col> (default C<0>), which is useful 1506line, starting at column C<$start_col> (default C<0>), which is useful
1168to replace only parts of a line. The font index in the rendition will 1507to replace only parts of a line. The font index in the rendition will
1169automatically be updated. 1508automatically be updated.
1170 1509
1171C<$text> is in a special encoding: tabs and wide characters that use more 1510C<$text> is in a special encoding: tabs and wide characters that use more
1172than one cell when displayed are padded with urxvt::NOCHAR characters 1511than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1173(C<chr 65535>). Characters with combining characters and other characters 1512characters. Characters with combining characters and other characters that
1174that do not fit into the normal tetx encoding will be replaced with 1513do not fit into the normal tetx encoding will be replaced with characters
1175characters in the private use area. 1514in the private use area.
1176 1515
1177You have to obey this encoding when changing text. The advantage is 1516You have to obey this encoding when changing text. The advantage is
1178that C<substr> and similar functions work on screen cells and not on 1517that C<substr> and similar functions work on screen cells and not on
1179characters. 1518characters.
1180 1519
1327=item $string = $term->special_decode $text 1666=item $string = $term->special_decode $text
1328 1667
1329Converts rxvt-unicodes text reprsentation into a perl string. See 1668Converts rxvt-unicodes text reprsentation into a perl string. See
1330C<< $term->ROW_t >> for details. 1669C<< $term->ROW_t >> for details.
1331 1670
1332=item $success = $term->grab_button ($button, $modifiermask) 1671=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1333 1672
1673=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1674
1334Registers a synchronous button grab. See the XGrabButton manpage. 1675Register/unregister a synchronous button grab. See the XGrabButton
1676manpage.
1335 1677
1336=item $success = $term->grab ($eventtime[, $sync]) 1678=item $success = $term->grab ($eventtime[, $sync])
1337 1679
1338Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1680Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1339synchronous (C<$sync> is true). Also remembers the grab timestampe. 1681synchronous (C<$sync> is true). Also remembers the grab timestampe.
1354=item $term->ungrab 1696=item $term->ungrab
1355 1697
1356Calls XUngrab for the most recent grab. Is called automatically on 1698Calls XUngrab for the most recent grab. Is called automatically on
1357evaluation errors, as it is better to lose the grab in the error case as 1699evaluation errors, as it is better to lose the grab in the error case as
1358the session. 1700the session.
1701
1702=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1703
1704=item $atom_name = $term->XGetAtomName ($atom)
1705
1706=item @atoms = $term->XListProperties ($window)
1707
1708=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1709
1710=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
1711
1712=item $term->XDeleteProperty ($window, $property)
1713
1714=item $window = $term->DefaultRootWindow
1715
1716=item $term->XReparentWindow ($window, $parent, [$x, $y])
1717
1718=item $term->XMapWindow ($window)
1719
1720=item $term->XUnmapWindow ($window)
1721
1722=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1723
1724=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1725
1726=item $term->XChangeInput ($window, $add_events[, $del_events])
1727
1728Various X or X-related functions. The C<$term> object only serves as
1729the source of the display, otherwise those functions map more-or-less
1730directory onto the X functions of the same name.
1359 1731
1360=back 1732=back
1361 1733
1362=cut 1734=cut
1363 1735
1465 my $env = $self->{term}->env; 1837 my $env = $self->{term}->env;
1466 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1838 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1467 delete $env->{LC_ALL}; 1839 delete $env->{LC_ALL};
1468 $env->{LC_CTYPE} = $self->{term}->locale; 1840 $env->{LC_CTYPE} = $self->{term}->locale;
1469 1841
1470 urxvt::term->new ($env, $self->{term}->resource ("name"), 1842 urxvt::term->new ($env, "popup",
1471 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1843 "--perl-lib" => "", "--perl-ext-common" => "",
1844 "-pty-fd" => -1, "-sl" => 0,
1845 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1472 "--transient-for" => $self->{term}->parent, 1846 "--transient-for" => $self->{term}->parent,
1473 "-display" => $self->{term}->display_id, 1847 "-display" => $self->{term}->display_id,
1474 "-pe" => "urxvt-popup") 1848 "-pe" => "urxvt-popup")
1475 or die "unable to create popup window\n"; 1849 or die "unable to create popup window\n";
1476} 1850}
1481 delete $self->{term}{_destroy}{$self}; 1855 delete $self->{term}{_destroy}{$self};
1482 $self->{term}->ungrab; 1856 $self->{term}->ungrab;
1483} 1857}
1484 1858
1485=back 1859=back
1860
1861=cut
1862
1863package urxvt::watcher;
1864
1865@urxvt::timer::ISA = __PACKAGE__;
1866@urxvt::iow::ISA = __PACKAGE__;
1867@urxvt::pw::ISA = __PACKAGE__;
1868@urxvt::iw::ISA = __PACKAGE__;
1486 1869
1487=head2 The C<urxvt::timer> Class 1870=head2 The C<urxvt::timer> Class
1488 1871
1489This class implements timer watchers/events. Time is represented as a 1872This class implements timer watchers/events. Time is represented as a
1490fractional number of seconds since the epoch. Example: 1873fractional number of seconds since the epoch. Example:
1528Start the timer. 1911Start the timer.
1529 1912
1530=item $timer = $timer->start ($tstamp) 1913=item $timer = $timer->start ($tstamp)
1531 1914
1532Set the event trigger time to C<$tstamp> and start the timer. 1915Set the event trigger time to C<$tstamp> and start the timer.
1916
1917=item $timer = $timer->after ($delay)
1918
1919Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1533 1920
1534=item $timer = $timer->stop 1921=item $timer = $timer->stop
1535 1922
1536Stop the timer. 1923Stop the timer.
1537 1924
1584 1971
1585Stop watching for events on the given filehandle. 1972Stop watching for events on the given filehandle.
1586 1973
1587=back 1974=back
1588 1975
1976=head2 The C<urxvt::iw> Class
1977
1978This class implements idle watchers, that get called automatically when
1979the process is idle. They should return as fast as possible, after doing
1980some useful work.
1981
1982=over 4
1983
1984=item $iw = new urxvt::iw
1985
1986Create a new idle watcher object in stopped state.
1987
1988=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1989
1990Set the callback to be called when the watcher triggers.
1991
1992=item $timer = $timer->start
1993
1994Start the watcher.
1995
1996=item $timer = $timer->stop
1997
1998Stop the watcher.
1999
2000=back
2001
2002=head2 The C<urxvt::pw> Class
2003
2004This class implements process watchers. They create an event whenever a
2005process exits, after which they stop automatically.
2006
2007 my $pid = fork;
2008 ...
2009 $term->{pw} = urxvt::pw
2010 ->new
2011 ->start ($pid)
2012 ->cb (sub {
2013 my ($pw, $exit_status) = @_;
2014 ...
2015 });
2016
2017=over 4
2018
2019=item $pw = new urxvt::pw
2020
2021Create a new process watcher in stopped state.
2022
2023=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
2024
2025Set the callback to be called when the timer triggers.
2026
2027=item $pw = $timer->start ($pid)
2028
2029Tells the wqtcher to start watching for process C<$pid>.
2030
2031=item $pw = $pw->stop
2032
2033Stop the watcher.
2034
2035=back
2036
1589=head1 ENVIRONMENT 2037=head1 ENVIRONMENT
1590 2038
1591=head2 URXVT_PERL_VERBOSITY 2039=head2 URXVT_PERL_VERBOSITY
1592 2040
1593This variable controls the verbosity level of the perl extension. Higher 2041This variable controls the verbosity level of the perl extension. Higher

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