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Revision 1.99 by root, Tue Jan 17 17:09:26 2006 UTC vs.
Revision 1.137 by root, Sat Mar 4 20:17:52 2006 UTC

34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. 34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
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
40Or by adding them to the resource for extensions loaded by default:
41
42 URxvt.perl-ext-common: default,automove-background,selection-autotransform
39 43
40=over 4 44=over 4
41 45
42=item selection (enabled by default) 46=item selection (enabled by default)
43 47
63the match. For example, the followign adds a regex that matches everything 67the match. For example, the followign adds a regex that matches everything
64between two vertical bars: 68between two vertical bars:
65 69
66 URxvt.selection.pattern-0: \\|([^|]+)\\| 70 URxvt.selection.pattern-0: \\|([^|]+)\\|
67 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
68You can look at the source of the selection extension to see more 79You can look at the source of the selection extension to see more
69interesting uses, such as parsing a line from beginning to end. 80interesting uses, such as parsing a line from beginning to end.
70 81
71This extension also offers following bindable keyboard commands: 82This extension also offers following bindable keyboard commands:
72 83
83=item option-popup (enabled by default) 94=item option-popup (enabled by default)
84 95
85Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at 96Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
86runtime. 97runtime.
87 98
99Other extensions can extend this popup menu by pushing a code reference
100onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
101popup is being displayed.
102
103It's sole argument is the popup menu, which can be modified. It should
104either return nothing or a string, the initial boolean value and a code
105reference. The string will be used as button text and the code reference
106will be called when the toggle changes, with the new boolean value as
107first argument.
108
109The following will add an entry C<myoption> that changes
110C<$self->{myoption}>:
111
112 push @{ $self->{term}{option_popup_hook} }, sub {
113 ("my option" => $myoption, sub { $self->{myoption} = $_[0] })
114 };
115
88=item selection-popup (enabled by default) 116=item selection-popup (enabled by default)
89 117
90Binds a popup menu to Ctrl-Button3 that lets you convert the selection 118Binds a popup menu to Ctrl-Button3 that lets you convert the selection
91text into various other formats/action (such as uri unescaping, perl 119text into various other formats/action (such as uri unescaping, perl
92evalution, web-browser starting etc.), depending on content. 120evaluation, web-browser starting etc.), depending on content.
121
122Other extensions can extend this popup menu by pushing a code reference
123onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
124popup is being displayed.
125
126It's sole argument is the popup menu, which can be modified. The selection
127is in C<$_>, which can be used to decide wether to add something or not.
128It should either return nothing or a string and a code reference. The
129string will be used as button text and the code reference will be called
130when the button gets activated and should transform C<$_>.
131
132The following will add an entry C<a to b> that transforms all C<a>s in
133the selection to C<b>s, but only if the selection currently contains any
134C<a>s:
135
136 push @{ $self->{term}{selection_popup_hook} }, sub {
137 /a/ ? ("a to be" => sub { s/a/b/g }
138 : ()
139 };
93 140
94=item searchable-scrollback<hotkey> (enabled by default) 141=item searchable-scrollback<hotkey> (enabled by default)
95 142
96Adds regex search functionality to the scrollback buffer, triggered 143Adds regex search functionality to the scrollback buffer, triggered
97by a hotkey (default: C<M-s>). While in search mode, normal terminal 144by a hotkey (default: C<M-s>). While in search mode, normal terminal
104bottom. C<Escape> leaves search mode and returns to the point where search 151bottom. C<Escape> leaves search mode and returns to the point where search
105was started, while C<Enter> or C<Return> stay at the current position and 152was started, while C<Enter> or C<Return> stay at the current position and
106additionally stores the first match in the current line into the primary 153additionally stores the first match in the current line into the primary
107selection. 154selection.
108 155
156=item readline (enabled by default)
157
158A support package that tries to make editing with readline easier. At
159the moment, it reacts to clicking shift-left mouse button by trying to
160move the text cursor to this position. It does so by generating as many
161cursor-left or cursor-right keypresses as required (the this only works
162for programs that correctly support wide characters).
163
164To avoid too many false positives, this is only done when:
165
166=over 4
167
168=item - the tty is in ICANON state.
169
170=item - the text cursor is visible.
171
172=item - the primary screen is currently being displayed.
173
174=item - the mouse is on the same (multi-row-) line as the text cursor.
175
176=back
177
178The normal selection mechanism isn't disabled, so quick successive clicks
179might interfere with selection creation in harmless ways.
180
109=item selection-autotransform 181=item selection-autotransform
110 182
111This selection allows you to do automatic transforms on a selection 183This selection allows you to do automatic transforms on a selection
112whenever a selection is made. 184whenever a selection is made.
113 185
125 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/ 197 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
126 198
127And this example matches the same,but replaces it with vi-commands you can 199And this example matches the same,but replaces it with vi-commands you can
128paste directly into your (vi :) editor: 200paste directly into your (vi :) editor:
129 201
130 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/ 202 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
131 203
132Of course, this can be modified to suit your needs and your editor :) 204Of course, this can be modified to suit your needs and your editor :)
133 205
134To expand the example above to typical perl error messages ("XXX at 206To expand the example above to typical perl error messages ("XXX at
135FILENAME line YYY."), you need a slightly more elaborate solution: 207FILENAME line YYY."), you need a slightly more elaborate solution:
136 208
137 URxvt.selection.pattern-0: ( at .*? line \\d+\\.) 209 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
138 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/ 210 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
139 211
140The first line tells the selection code to treat the unchanging part of 212The first line tells the selection code to treat the unchanging part of
141every error message as a selection pattern, and the second line transforms 213every error message as a selection pattern, and the second line transforms
142the message into vi commands to load the file. 214the message into vi commands to load the file.
215
216=item tabbed
217
218This transforms the terminal into a tabbar with additional terminals, that
219is, it implements what is commonly refered to as "tabbed terminal". The topmost line
220displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
221button per tab.
222
223Clicking a button will activate that tab. Pressing B<Shift-Left> and
224B<Shift-Right> will switch to the tab left or right of the current one,
225while B<Shift-Down> creates a new tab.
226
227The tabbar itself can be configured similarly to a normal terminal, but
228with a resource class of C<URxvt.tabbed>. In addition, it supports the
229following four resources (shown with defaults):
230
231 URxvt.tabbed.tabbar-fg: <colour-index, default 3>
232 URxvt.tabbed.tabbar-bg: <colour-index, default 0>
233 URxvt.tabbed.tab-fg: <colour-index, default 0>
234 URxvt.tabbed.tab-bg: <colour-index, default 1>
235
236See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
237indices.
143 238
144=item mark-urls 239=item mark-urls
145 240
146Uses per-line display filtering (C<on_line_update>) to underline urls and 241Uses per-line display filtering (C<on_line_update>) to underline urls and
147make them clickable. When middle-clicked, the program specified in the 242make them clickable. When middle-clicked, the program specified in the
148resource C<urlLauncher> (default C<x-www-browser>) will be started with 243resource C<urlLauncher> (default C<x-www-browser>) will be started with
149the URL as first argument. 244the URL as first argument.
150 245
246=item xim-onthespot
247
248This (experimental) perl extension implements OnTheSpot editing. It does
249not work perfectly, and some input methods don't seem to work well with
250OnTheSpot editing in general, but it seems to work at leats for SCIM and
251kinput2.
252
253You enable it by specifying this extension and a preedit style of
254C<OnTheSpot>, i.e.:
255
256 @@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
257
258=item automove-background
259
260This is basically a one-line extension that dynamically changes the background pixmap offset
261to the window position, in effect creating the same effect as pseudo transparency with
262a custom pixmap. No scaling is supported in this mode. Exmaple:
263
264 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
265
151=item block-graphics-to-ascii 266=item block-graphics-to-ascii
152 267
153A not very useful example of filtering all text output to the terminal, 268A not very useful example of filtering all text output to the terminal,
154by replacing all line-drawing characters (U+2500 .. U+259F) by a 269by replacing all line-drawing characters (U+2500 .. U+259F) by a
155similar-looking ascii character. 270similar-looking ascii character.
156 271
157=item digital-clock 272=item digital-clock
158 273
159Displays a digital clock using the built-in overlay. 274Displays a digital clock using the built-in overlay.
160 275
161=item example-refresh-hooks 276=item remote-clipboard
162 277
163Displays a very simple digital clock in the upper right corner of the 278Somewhat of a misnomer, this extension adds two menu entries to the
164window. Illustrates overwriting the refresh callbacks to create your own 279selection popup that allows one ti run external commands to store the
165overlays or changes. 280selection somewhere and fetch it again.
281
282We use it to implement a "distributed selection mechanism", which just
283means that one command uploads the file to a remote server, and another
284reads it.
285
286The commands can be set using the C<URxvt.remote-selection.store> and
287C<URxvt.remote-selection.fetch> resources. The first should read the
288selection to store from STDIN (always in UTF-8), the second should provide
289the selection data on STDOUT (also in UTF-8).
290
291The defaults (which are likely useless to you) use rsh and cat:
292
293 URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
294 URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
166 295
167=item selection-pastebin 296=item selection-pastebin
168 297
169This is a little rarely useful extension that Uploads the selection as 298This is a little rarely useful extension that Uploads the selection as
170textfile to a remote site (or does other things). (The implementation is 299textfile to a remote site (or does other things). (The implementation is
190After a successful upload the selection will be replaced by the text given 319After a successful upload the selection will be replaced by the text given
191in the C<selection-pastebin-url> resource (again, the % is the placeholder 320in the C<selection-pastebin-url> resource (again, the % is the placeholder
192for the filename): 321for the filename):
193 322
194 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/% 323 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
324
325=item example-refresh-hooks
326
327Displays a very simple digital clock in the upper right corner of the
328window. Illustrates overwriting the refresh callbacks to create your own
329overlays or changes.
195 330
196=back 331=back
197 332
198=head1 API DOCUMENTATION 333=head1 API DOCUMENTATION
199 334
272called whenever the relevant event happens. 407called whenever the relevant event happens.
273 408
274The first argument passed to them is an extension oject as described in 409The first argument passed to them is an extension oject as described in
275the in the C<Extension Objects> section. 410the in the C<Extension Objects> section.
276 411
277B<All> of these hooks must return a boolean value. If it is true, then the 412B<All> of these hooks must return a boolean value. If any of the called
278event counts as being I<consumed>, and the invocation of other hooks is 413hooks returns true, then the event counts as being I<consumed>, and the
279skipped, and the relevant action might not be carried out by the C++ code. 414relevant action might not be carried out by the C++ code.
280 415
281I<< When in doubt, return a false value (preferably C<()>). >> 416I<< When in doubt, return a false value (preferably C<()>). >>
282 417
283=over 4 418=over 4
284 419
285=item on_init $term 420=item on_init $term
286 421
287Called after a new terminal object has been initialized, but before 422Called after a new terminal object has been initialized, but before
288windows are created or the command gets run. Most methods are unsafe to 423windows are created or the command gets run. Most methods are unsafe to
289call or deliver senseless data, as terminal size and other characteristics 424call or deliver senseless data, as terminal size and other characteristics
290have not yet been determined. You can safely query and change resources, 425have not yet been determined. You can safely query and change resources
291though. 426and options, though. For many purposes the C<on_start> hook is a better
427place.
428
429=item on_start $term
430
431Called at the very end of initialisation of a new terminal, just before
432trying to map (display) the toplevel and returning to the mainloop.
433
434=item on_destroy $term
435
436Called whenever something tries to destroy terminal, when the terminal is
437still fully functional (not for long, though).
292 438
293=item on_reset $term 439=item on_reset $term
294 440
295Called after the screen is "reset" for any reason, such as resizing or 441Called after the screen is "reset" for any reason, such as resizing or
296control sequences. Here is where you can react on changes to size-related 442control sequences. Here is where you can react on changes to size-related
297variables. 443variables.
298 444
299=item on_start $term 445=item on_child_start $term, $pid
300 446
301Called at the very end of initialisation of a new terminal, just before 447Called just after the child process has been C<fork>ed.
302returning to the mainloop. 448
449=item on_child_exit $term, $status
450
451Called just after the child process has exited. C<$status> is the status
452from C<waitpid>.
303 453
304=item on_sel_make $term, $eventtime 454=item on_sel_make $term, $eventtime
305 455
306Called whenever a selection has been made by the user, but before the 456Called whenever a selection has been made by the user, but before the
307selection text is copied, so changes to the beginning, end or type of the 457selection text is copied, so changes to the beginning, end or type of the
343 493
344It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 494It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
345$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total 495$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
346number of lines that will be in the scrollback buffer. 496number of lines that will be in the scrollback buffer.
347 497
498=item on_osc_seq $term, $op, $args
499
500Called on every OSC sequence and can be used to suppress it or modify its
501behaviour. The default should be to return an empty list. A true value
502suppresses execution of the request completely. Make sure you don't get
503confused by recursive invocations when you output an osc sequence within
504this callback.
505
506C<on_osc_seq_perl> should be used for new behaviour.
507
348=item on_osc_seq $term, $string 508=item on_osc_seq_perl $term, $string
349 509
350Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = 510Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
351operating system command) is processed. Cursor position and other state 511operating system command) is processed. Cursor position and other state
352information is up-to-date when this happens. For interoperability, the 512information is up-to-date when this happens. For interoperability, the
353string should start with the extension name and a colon, to distinguish 513string should start with the extension name and a colon, to distinguish
394 554
395=item on_refresh_end $term 555=item on_refresh_end $term
396 556
397Called just after the screen gets redrawn. See C<on_refresh_begin>. 557Called just after the screen gets redrawn. See C<on_refresh_begin>.
398 558
399=item on_keyboard_command $term, $string 559=item on_user_command $term, $string
400 560
401Called whenever the user presses a key combination that has a 561Called whenever the a user-configured event is being activated (e.g. via
402C<perl:string> action bound to it (see description of the B<keysym> 562a C<perl:string> action bound to a key, see description of the B<keysym>
403resource in the @@RXVT_NAME@@(1) manpage). 563resource in the @@RXVT_NAME@@(1) manpage).
564
565The event is simply the action string. This interface is assumed to change
566slightly in the future.
567
568=item on_resize_all_windows $tern, $new_width, $new_height
569
570Called just after the new window size has been calculcated, but before
571windows are actually being resized or hints are being set. If this hook
572returns TRUE, setting of the window hints is being skipped.
404 573
405=item on_x_event $term, $event 574=item on_x_event $term, $event
406 575
407Called on every X event received on the vt window (and possibly other 576Called on every X event received on the vt window (and possibly other
408windows). Should only be used as a last resort. Most event structure 577windows). Should only be used as a last resort. Most event structure
416=item on_focus_out $term 585=item on_focus_out $term
417 586
418Called wheneever the window loses keyboard focus, before rxvt-unicode does 587Called wheneever the window loses keyboard focus, before rxvt-unicode does
419focus out processing. 588focus out processing.
420 589
590=item on_configure_notify $term, $event
591
592=item on_property_notify $term, $event
593
421=item on_key_press $term, $event, $keysym, $octets 594=item on_key_press $term, $event, $keysym, $octets
422 595
423=item on_key_release $term, $event, $keysym 596=item on_key_release $term, $event, $keysym
424 597
425=item on_button_press $term, $event 598=item on_button_press $term, $event
434 607
435Called whenever the corresponding X event is received for the terminal If 608Called whenever the corresponding X event is received for the terminal If
436the hook returns true, then the even will be ignored by rxvt-unicode. 609the hook returns true, then the even will be ignored by rxvt-unicode.
437 610
438The event is a hash with most values as named by Xlib (see the XEvent 611The event is a hash with most values as named by Xlib (see the XEvent
439manpage), with the additional members C<row> and C<col>, which are the row 612manpage), with the additional members C<row> and C<col>, which are the
440and column under the mouse cursor. 613(real, not screen-based) row and column under the mouse cursor.
441 614
442C<on_key_press> additionally receives the string rxvt-unicode would 615C<on_key_press> additionally receives the string rxvt-unicode would
443output, if any, in locale-specific encoding. 616output, if any, in locale-specific encoding.
444 617
445subwindow. 618subwindow.
619
620=item on_client_message $term, $event
621
622=item on_wm_protocols $term, $event
623
624=item on_wm_delete_window $term, $event
625
626Called when various types of ClientMessage events are received (all with
627format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
446 628
447=back 629=back
448 630
449=cut 631=cut
450 632
456use Scalar::Util (); 638use Scalar::Util ();
457use List::Util (); 639use List::Util ();
458 640
459our $VERSION = 1; 641our $VERSION = 1;
460our $TERM; 642our $TERM;
643our @TERM_INIT;
644our @TERM_EXT;
461our @HOOKNAME; 645our @HOOKNAME;
462our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 646our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
463our %OPTION; 647our %OPTION;
464 648
465our $LIBDIR; 649our $LIBDIR;
466our $RESNAME; 650our $RESNAME;
467our $RESCLASS; 651our $RESCLASS;
468our $RXVTNAME; 652our $RXVTNAME;
469 653
654our $NOCHAR = chr 0xffff;
655
470=head2 Variables in the C<urxvt> Package 656=head2 Variables in the C<urxvt> Package
471 657
472=over 4 658=over 4
473 659
474=item $urxvt::LIBDIR 660=item $urxvt::LIBDIR
486 672
487=item $urxvt::TERM 673=item $urxvt::TERM
488 674
489The current terminal. This variable stores the current C<urxvt::term> 675The current terminal. This variable stores the current C<urxvt::term>
490object, whenever a callback/hook is executing. 676object, whenever a callback/hook is executing.
677
678=item @urxvt::TERM_INIT
679
680All coderefs in this array will be called as methods of the next newly
681created C<urxvt::term> object (during the C<on_init> phase). The array
682gets cleared before the codereferences that were in it are being executed,
683so coderefs can push themselves onto it again if they so desire.
684
685This complements to the perl-eval commandline option, but gets executed
686first.
687
688=item @urxvt::TERM_EXT
689
690Works similar to C<@TERM_INIT>, but contains perl package/class names, which
691get registered as normal extensions after calling the hooks in C<@TERM_INIT>
692but before other extensions. Gets cleared just like C<@TERM_INIT>.
491 693
492=back 694=back
493 695
494=head2 Functions in the C<urxvt> Package 696=head2 Functions in the C<urxvt> Package
495 697
509 711
510Using this function has the advantage that its output ends up in the 712Using this function has the advantage that its output ends up in the
511correct place, e.g. on stderr of the connecting urxvtc client. 713correct place, e.g. on stderr of the connecting urxvtc client.
512 714
513Messages have a size limit of 1023 bytes currently. 715Messages have a size limit of 1023 bytes currently.
716
717=item @terms = urxvt::termlist
718
719Returns all urxvt::term objects that exist in this process, regardless of
720wether they are started, being destroyed etc., so be careful. Only term
721objects that have perl extensions attached will be returned (because there
722is no urxvt::term objet associated with others).
514 723
515=item $time = urxvt::NOW 724=item $time = urxvt::NOW
516 725
517Returns the "current time" (as per the event loop). 726Returns the "current time" (as per the event loop).
518 727
577 786
578=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour 787=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
579 788
580=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour 789=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
581 790
791=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
792
582Replace the foreground/background colour in the rendition mask with the 793Replace the foreground/background colour in the rendition mask with the
583specified one. 794specified one.
584 795
585=item $value = urxvt::GET_CUSTOM $rend 796=item $value = urxvt::GET_CUSTOM $rend
586 797
595=back 806=back
596 807
597=cut 808=cut
598 809
599BEGIN { 810BEGIN {
600 urxvt->bootstrap;
601
602 # overwrite perl's warn 811 # overwrite perl's warn
603 *CORE::GLOBAL::warn = sub { 812 *CORE::GLOBAL::warn = sub {
604 my $msg = join "", @_; 813 my $msg = join "", @_;
605 $msg .= "\n" 814 $msg .= "\n"
606 unless $msg =~ /\n$/; 815 unless $msg =~ /\n$/;
607 urxvt::warn ($msg); 816 urxvt::warn ($msg);
608 }; 817 };
609
610 # %ENV is the original startup environment
611 delete $ENV{IFS};
612 delete $ENV{CDPATH};
613 delete $ENV{BASH_ENV};
614 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
615} 818}
819
820no warnings 'utf8';
616 821
617my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 822my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
618 823
619sub verbose { 824sub verbose {
620 my ($level, $msg) = @_; 825 my ($level, $msg) = @_;
621 warn "$msg\n" if $level <= $verbosity; 826 warn "$msg\n" if $level <= $verbosity;
622} 827}
623 828
624my $extension_pkg = "extension0000";
625my %extension_pkg; 829my %extension_pkg;
626 830
627# load a single script into its own package, once only 831# load a single script into its own package, once only
628sub extension_package($) { 832sub extension_package($) {
629 my ($path) = @_; 833 my ($path) = @_;
630 834
631 $extension_pkg{$path} ||= do { 835 $extension_pkg{$path} ||= do {
632 my $pkg = "urxvt::" . ($extension_pkg++); 836 $path =~ /([^\/\\]+)$/;
837 my $pkg = $1;
838 $pkg =~ s/[^[:word:]]/_/g;
839 $pkg = "urxvt::ext::$pkg";
633 840
634 verbose 3, "loading extension '$path' into package '$pkg'"; 841 verbose 3, "loading extension '$path' into package '$pkg'";
635 842
636 open my $fh, "<:raw", $path 843 open my $fh, "<:raw", $path
637 or die "$path: $!"; 844 or die "$path: $!";
638 845
639 my $source = 846 my $source =
640 "package $pkg; use strict; use utf8;\n" 847 "package $pkg; use strict; use utf8; no warnings 'utf8';\n"
641 . "use base urxvt::term::extension::;\n"
642 . "#line 1 \"$path\"\n{\n" 848 . "#line 1 \"$path\"\n{\n"
643 . (do { local $/; <$fh> }) 849 . (do { local $/; <$fh> })
644 . "\n};\n1"; 850 . "\n};\n1";
645 851
646 eval $source 852 eval $source
660 if ($htype == 0) { # INIT 866 if ($htype == 0) { # INIT
661 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 867 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
662 868
663 my %ext_arg; 869 my %ext_arg;
664 870
871 {
872 my @init = @TERM_INIT;
873 @TERM_INIT = ();
874 $_->($TERM) for @init;
875 my @pkg = @TERM_EXT;
876 @TERM_EXT = ();
877 $TERM->register_package ($_) for @pkg;
878 }
879
665 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 880 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
666 if ($_ eq "default") { 881 if ($_ eq "default") {
667 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 882 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
668 } elsif (/^-(.*)$/) { 883 } elsif (/^-(.*)$/) {
669 delete $ext_arg{$1}; 884 delete $ext_arg{$1};
670 } elsif (/^([^<]+)<(.*)>$/) { 885 } elsif (/^([^<]+)<(.*)>$/) {
671 push @{ $ext_arg{$1} }, $2; 886 push @{ $ext_arg{$1} }, $2;
672 } else { 887 } else {
673 $ext_arg{$_} ||= []; 888 $ext_arg{$_} ||= [];
674 } 889 }
675 } 890 }
676 891
677 while (my ($ext, $argv) = each %ext_arg) { 892 for my $ext (sort keys %ext_arg) {
678 my @files = grep -f $_, map "$_/$ext", @dirs; 893 my @files = grep -f $_, map "$_/$ext", @dirs;
679 894
680 if (@files) { 895 if (@files) {
681 $TERM->register_package (extension_package $files[0], $argv); 896 $TERM->register_package (extension_package $files[0], $ext_arg{$ext});
682 } else { 897 } else {
683 warn "perl extension '$ext' not found in perl library search path\n"; 898 warn "perl extension '$ext' not found in perl library search path\n";
684 } 899 }
685 } 900 }
686 901
695 if $verbosity >= 10; 910 if $verbosity >= 10;
696 911
697 keys %$cb; 912 keys %$cb;
698 913
699 while (my ($pkg, $cb) = each %$cb) { 914 while (my ($pkg, $cb) = each %$cb) {
700 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 915 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
701 and last; 916 $retval ||= $retval_;
702 917
703 if ($@) { 918 if ($@) {
704 $TERM->ungrab; # better to lose the grab than the session 919 $TERM->ungrab; # better to lose the grab than the session
705 warn $@; 920 warn $@;
706 } 921 }
719 } 934 }
720 935
721 $retval 936 $retval
722} 937}
723 938
724sub exec_async(@) { 939sub SET_COLOR($$$) {
725 my $pid = fork; 940 SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
726
727 return
728 if !defined $pid or $pid;
729
730 %ENV = %{ $TERM->env };
731
732 exec @_;
733 _exit 255;
734} 941}
735 942
736# urxvt::term::extension 943# urxvt::term::extension
737 944
738package urxvt::term::extension; 945package urxvt::term::extension;
877# find on_xxx subs in the package and register them 1084# find on_xxx subs in the package and register them
878# as hooks 1085# as hooks
879sub register_package { 1086sub register_package {
880 my ($self, $pkg, $argv) = @_; 1087 my ($self, $pkg, $argv) = @_;
881 1088
1089 no strict 'refs';
1090
1091 urxvt::verbose 6, "register package $pkg to $self";
1092
1093 @{"$pkg\::ISA"} = urxvt::term::extension::;
1094
882 my $proxy = bless { 1095 my $proxy = bless {
883 _pkg => $pkg, 1096 _pkg => $pkg,
884 argv => $argv, 1097 argv => $argv,
885 }, $pkg; 1098 }, $pkg;
886 Scalar::Util::weaken ($proxy->{term} = $self); 1099 Scalar::Util::weaken ($proxy->{term} = $self);
901hash which defines the environment of the new terminal. 1114hash which defines the environment of the new terminal.
902 1115
903Croaks (and probably outputs an error message) if the new instance 1116Croaks (and probably outputs an error message) if the new instance
904couldn't be created. Returns C<undef> if the new instance didn't 1117couldn't be created. Returns C<undef> if the new instance didn't
905initialise perl, and the terminal object otherwise. The C<init> and 1118initialise perl, and the terminal object otherwise. The C<init> and
906C<start> hooks will be called during this call. 1119C<start> hooks will be called before this call returns, and are free to
1120refer to global data (which is race free).
907 1121
908=cut 1122=cut
909 1123
910sub new { 1124sub new {
911 my ($class, $env, @args) = @_; 1125 my ($class, $env, @args) = @_;
912 1126
1127 $env or Carp::croak "environment hash missing in call to urxvt::term->new";
1128 @args or Carp::croak "name argument missing in call to urxvt::term->new";
1129
913 _new ([ map "$_=$env->{$_}", keys %$env ], @args); 1130 _new ([ map "$_=$env->{$_}", keys %$env ], \@args);
914} 1131}
915 1132
916=item $term->destroy 1133=item $term->destroy
917 1134
918Destroy the terminal object (close the window, free resources 1135Destroy the terminal object (close the window, free resources
919etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1136etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
920watchers (timers, io watchers) are still active. 1137watchers (timers, io watchers) are still active.
921 1138
1139=item $term->exec_async ($cmd[, @args])
1140
1141Works like the combination of the C<fork>/C<exec> builtins, which executes
1142("starts") programs in the background. This function takes care of setting
1143the user environment before exec'ing the command (e.g. C<PATH>) and should
1144be preferred over explicit calls to C<exec> or C<system>.
1145
1146Returns the pid of the subprocess or C<undef> on error.
1147
1148=cut
1149
1150sub exec_async {
1151 my $self = shift;
1152
1153 my $pid = fork;
1154
1155 return $pid
1156 if !defined $pid or $pid;
1157
1158 %ENV = %{ $self->env };
1159
1160 exec @_;
1161 urxvt::_exit 255;
1162}
1163
922=item $isset = $term->option ($optval[, $set]) 1164=item $isset = $term->option ($optval[, $set])
923 1165
924Returns true if the option specified by C<$optval> is enabled, and 1166Returns true if the option specified by C<$optval> is enabled, and
925optionally change it. All option values are stored by name in the hash 1167optionally change it. All option values are stored by name in the hash
926C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1168C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
928Here is a a likely non-exhaustive list of option names, please see the 1170Here is a a likely non-exhaustive list of option names, please see the
929source file F</src/optinc.h> to see the actual list: 1171source file F</src/optinc.h> to see the actual list:
930 1172
931 borderLess console cursorBlink cursorUnderline hold iconic insecure 1173 borderLess console cursorBlink cursorUnderline hold iconic insecure
932 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1174 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
933 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1175 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
934 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1176 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
935 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1177 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
936 tripleclickwords utmpInhibit visualBell 1178 transparent tripleclickwords utmpInhibit visualBell
937 1179
938=item $value = $term->resource ($name[, $newval]) 1180=item $value = $term->resource ($name[, $newval])
939 1181
940Returns the current resource value associated with a given name and 1182Returns the current resource value associated with a given name and
941optionally sets a new value. Setting values is most useful in the C<init> 1183optionally sets a new value. Setting values is most useful in the C<init>
958 1200
959 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1201 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
960 borderLess color cursorBlink cursorUnderline cutchars delete_key 1202 borderLess color cursorBlink cursorUnderline cutchars delete_key
961 display_name embed ext_bwidth fade font geometry hold iconName 1203 display_name embed ext_bwidth fade font geometry hold iconName
962 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1204 imFont imLocale inputMethod insecure int_bwidth intensityStyles
963 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1205 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
964 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1206 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
965 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1207 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
966 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1208 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
967 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1209 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
968 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1210 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
969 shade term_name title transparent transparent_all tripleclickwords 1211 secondaryScreen secondaryScroll selectstyle shade term_name title
970 utmpInhibit visualBell 1212 transient_for transparent transparent_all tripleclickwords utmpInhibit
1213 visualBell
971 1214
972=cut 1215=cut
973 1216
974sub resource($$;$) { 1217sub resource($$;$) {
975 my ($self, $name) = (shift, shift); 1218 my ($self, $name) = (shift, shift);
1149 1392
1150Normally its not a good idea to use this function, as programs might be 1393Normally its not a good idea to use this function, as programs might be
1151confused by changes in cursor position or scrolling. Its useful inside a 1394confused by changes in cursor position or scrolling. Its useful inside a
1152C<on_add_lines> hook, though. 1395C<on_add_lines> hook, though.
1153 1396
1397=item $term->scr_change_screen ($screen)
1398
1399Switch to given screen - 0 primary, 1 secondary.
1400
1154=item $term->cmd_parse ($octets) 1401=item $term->cmd_parse ($octets)
1155 1402
1156Similar to C<scr_add_lines>, but the argument must be in the 1403Similar to C<scr_add_lines>, but the argument must be in the
1157locale-specific encoding of the terminal and can contain command sequences 1404locale-specific encoding of the terminal and can contain command sequences
1158(escape codes) that will be interpreted. 1405(escape codes) that will be interpreted.
1168Replaces the event mask of the pty watcher by the given event mask. Can 1415Replaces the event mask of the pty watcher by the given event mask. Can
1169be used to suppress input and output handling to the pty/tty. See the 1416be used to suppress input and output handling to the pty/tty. See the
1170description of C<< urxvt::timer->events >>. Make sure to always restore 1417description of C<< urxvt::timer->events >>. Make sure to always restore
1171the previous value. 1418the previous value.
1172 1419
1420=item $fd = $term->pty_fd
1421
1422Returns the master file descriptor for the pty in use, or C<-1> if no pty
1423is used.
1424
1173=item $windowid = $term->parent 1425=item $windowid = $term->parent
1174 1426
1175Return the window id of the toplevel window. 1427Return the window id of the toplevel window.
1176 1428
1177=item $windowid = $term->vt 1429=item $windowid = $term->vt
1183Adds the specified events to the vt event mask. Useful e.g. when you want 1435Adds the specified events to the vt event mask. Useful e.g. when you want
1184to receive pointer events all the times: 1436to receive pointer events all the times:
1185 1437
1186 $term->vt_emask_add (urxvt::PointerMotionMask); 1438 $term->vt_emask_add (urxvt::PointerMotionMask);
1187 1439
1440=item $term->focus_in
1441
1442=item $term->focus_out
1443
1444=item $term->key_press ($state, $keycode[, $time])
1445
1446=item $term->key_release ($state, $keycode[, $time])
1447
1448Deliver various fake events to to terminal.
1449
1188=item $window_width = $term->width 1450=item $window_width = $term->width
1189 1451
1190=item $window_height = $term->height 1452=item $window_height = $term->height
1191 1453
1192=item $font_width = $term->fwidth 1454=item $font_width = $term->fwidth
1222=item $env = $term->env 1484=item $env = $term->env
1223 1485
1224Returns a copy of the environment in effect for the terminal as a hashref 1486Returns a copy of the environment in effect for the terminal as a hashref
1225similar to C<\%ENV>. 1487similar to C<\%ENV>.
1226 1488
1489=item @envv = $term->envv
1490
1491Returns the environment as array of strings of the form C<VAR=VALUE>.
1492
1493=item @argv = $term->argv
1494
1495Return the argument vector as this terminal, similar to @ARGV, but
1496includes the program name as first element.
1497
1227=cut 1498=cut
1228 1499
1229sub env { 1500sub env {
1230 if (my $env = $_[0]->_env) {
1231 +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env } 1501 +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1232 } else {
1233 +{ %ENV }
1234 }
1235} 1502}
1236 1503
1237=item $modifiermask = $term->ModLevel3Mask 1504=item $modifiermask = $term->ModLevel3Mask
1238 1505
1239=item $modifiermask = $term->ModMetaMask 1506=item $modifiermask = $term->ModMetaMask
1240 1507
1241=item $modifiermask = $term->ModNumLockMask 1508=item $modifiermask = $term->ModNumLockMask
1242 1509
1243Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1510Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1244AltGr), the meta key (often Alt) and the num lock key, if applicable. 1511AltGr), the meta key (often Alt) and the num lock key, if applicable.
1512
1513=item $screen = $term->current_screen
1514
1515Returns the currently displayed screen (0 primary, 1 secondary).
1516
1517=item $cursor_is_hidden = $term->hidden_cursor
1518
1519Returns wether the cursor is currently hidden or not.
1245 1520
1246=item $view_start = $term->view_start ([$newvalue]) 1521=item $view_start = $term->view_start ([$newvalue])
1247 1522
1248Returns the row number of the topmost displayed line. Maximum value is 1523Returns the row number of the topmost displayed line. Maximum value is
1249C<0>, which displays the normal terminal contents. Lower values scroll 1524C<0>, which displays the normal terminal contents. Lower values scroll
1269line, starting at column C<$start_col> (default C<0>), which is useful 1544line, starting at column C<$start_col> (default C<0>), which is useful
1270to replace only parts of a line. The font index in the rendition will 1545to replace only parts of a line. The font index in the rendition will
1271automatically be updated. 1546automatically be updated.
1272 1547
1273C<$text> is in a special encoding: tabs and wide characters that use more 1548C<$text> is in a special encoding: tabs and wide characters that use more
1274than one cell when displayed are padded with urxvt::NOCHAR characters 1549than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1275(C<chr 65535>). Characters with combining characters and other characters 1550characters. Characters with combining characters and other characters that
1276that do not fit into the normal tetx encoding will be replaced with 1551do not fit into the normal tetx encoding will be replaced with characters
1277characters in the private use area. 1552in the private use area.
1278 1553
1279You have to obey this encoding when changing text. The advantage is 1554You have to obey this encoding when changing text. The advantage is
1280that C<substr> and similar functions work on screen cells and not on 1555that C<substr> and similar functions work on screen cells and not on
1281characters. 1556characters.
1282 1557
1429=item $string = $term->special_decode $text 1704=item $string = $term->special_decode $text
1430 1705
1431Converts rxvt-unicodes text reprsentation into a perl string. See 1706Converts rxvt-unicodes text reprsentation into a perl string. See
1432C<< $term->ROW_t >> for details. 1707C<< $term->ROW_t >> for details.
1433 1708
1434=item $success = $term->grab_button ($button, $modifiermask) 1709=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1435 1710
1711=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1712
1436Registers a synchronous button grab. See the XGrabButton manpage. 1713Register/unregister a synchronous button grab. See the XGrabButton
1714manpage.
1437 1715
1438=item $success = $term->grab ($eventtime[, $sync]) 1716=item $success = $term->grab ($eventtime[, $sync])
1439 1717
1440Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1718Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1441synchronous (C<$sync> is true). Also remembers the grab timestampe. 1719synchronous (C<$sync> is true). Also remembers the grab timestampe.
1456=item $term->ungrab 1734=item $term->ungrab
1457 1735
1458Calls XUngrab for the most recent grab. Is called automatically on 1736Calls XUngrab for the most recent grab. Is called automatically on
1459evaluation errors, as it is better to lose the grab in the error case as 1737evaluation errors, as it is better to lose the grab in the error case as
1460the session. 1738the session.
1739
1740=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1741
1742=item $atom_name = $term->XGetAtomName ($atom)
1743
1744=item @atoms = $term->XListProperties ($window)
1745
1746=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1747
1748=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
1749
1750=item $term->XDeleteProperty ($window, $property)
1751
1752=item $window = $term->DefaultRootWindow
1753
1754=item $term->XReparentWindow ($window, $parent, [$x, $y])
1755
1756=item $term->XMapWindow ($window)
1757
1758=item $term->XUnmapWindow ($window)
1759
1760=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1761
1762=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1763
1764=item $term->XChangeInput ($window, $add_events[, $del_events])
1765
1766Various X or X-related functions. The C<$term> object only serves as
1767the source of the display, otherwise those functions map more-or-less
1768directory onto the X functions of the same name.
1461 1769
1462=back 1770=back
1463 1771
1464=cut 1772=cut
1465 1773
1529 my ($self, $text, $cb) = @_; 1837 my ($self, $text, $cb) = @_;
1530 1838
1531 $self->add_item ({ type => "button", text => $text, activate => $cb}); 1839 $self->add_item ({ type => "button", text => $text, activate => $cb});
1532} 1840}
1533 1841
1534=item $popup->add_toggle ($text, $cb, $initial_value) 1842=item $popup->add_toggle ($text, $initial_value, $cb)
1535 1843
1536Adds a toggle/checkbox item to the popup. Teh callback gets called 1844Adds a toggle/checkbox item to the popup. The callback gets called
1537whenever it gets toggled, with a boolean indicating its value as its first 1845whenever it gets toggled, with a boolean indicating its new value as its
1538argument. 1846first argument.
1539 1847
1540=cut 1848=cut
1541 1849
1542sub add_toggle { 1850sub add_toggle {
1543 my ($self, $text, $cb, $value) = @_; 1851 my ($self, $text, $value, $cb) = @_;
1544 1852
1545 my $item; $item = { 1853 my $item; $item = {
1546 type => "button", 1854 type => "button",
1547 text => " $text", 1855 text => " $text",
1548 value => $value, 1856 value => $value,
1567 my $env = $self->{term}->env; 1875 my $env = $self->{term}->env;
1568 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1876 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1569 delete $env->{LC_ALL}; 1877 delete $env->{LC_ALL};
1570 $env->{LC_CTYPE} = $self->{term}->locale; 1878 $env->{LC_CTYPE} = $self->{term}->locale;
1571 1879
1572 urxvt::term->new ($env, $self->{term}->resource ("name"), 1880 urxvt::term->new ($env, "popup",
1573 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1881 "--perl-lib" => "", "--perl-ext-common" => "",
1882 "-pty-fd" => -1, "-sl" => 0,
1883 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1574 "--transient-for" => $self->{term}->parent, 1884 "--transient-for" => $self->{term}->parent,
1575 "-display" => $self->{term}->display_id, 1885 "-display" => $self->{term}->display_id,
1576 "-pe" => "urxvt-popup") 1886 "-pe" => "urxvt-popup")
1577 or die "unable to create popup window\n"; 1887 or die "unable to create popup window\n";
1578} 1888}
1583 delete $self->{term}{_destroy}{$self}; 1893 delete $self->{term}{_destroy}{$self};
1584 $self->{term}->ungrab; 1894 $self->{term}->ungrab;
1585} 1895}
1586 1896
1587=back 1897=back
1898
1899=cut
1900
1901package urxvt::watcher;
1902
1903@urxvt::timer::ISA = __PACKAGE__;
1904@urxvt::iow::ISA = __PACKAGE__;
1905@urxvt::pw::ISA = __PACKAGE__;
1906@urxvt::iw::ISA = __PACKAGE__;
1588 1907
1589=head2 The C<urxvt::timer> Class 1908=head2 The C<urxvt::timer> Class
1590 1909
1591This class implements timer watchers/events. Time is represented as a 1910This class implements timer watchers/events. Time is represented as a
1592fractional number of seconds since the epoch. Example: 1911fractional number of seconds since the epoch. Example:
1630Start the timer. 1949Start the timer.
1631 1950
1632=item $timer = $timer->start ($tstamp) 1951=item $timer = $timer->start ($tstamp)
1633 1952
1634Set the event trigger time to C<$tstamp> and start the timer. 1953Set the event trigger time to C<$tstamp> and start the timer.
1954
1955=item $timer = $timer->after ($delay)
1956
1957Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1635 1958
1636=item $timer = $timer->stop 1959=item $timer = $timer->stop
1637 1960
1638Stop the timer. 1961Stop the timer.
1639 1962
1686 2009
1687Stop watching for events on the given filehandle. 2010Stop watching for events on the given filehandle.
1688 2011
1689=back 2012=back
1690 2013
2014=head2 The C<urxvt::iw> Class
2015
2016This class implements idle watchers, that get called automatically when
2017the process is idle. They should return as fast as possible, after doing
2018some useful work.
2019
2020=over 4
2021
2022=item $iw = new urxvt::iw
2023
2024Create a new idle watcher object in stopped state.
2025
2026=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
2027
2028Set the callback to be called when the watcher triggers.
2029
2030=item $timer = $timer->start
2031
2032Start the watcher.
2033
2034=item $timer = $timer->stop
2035
2036Stop the watcher.
2037
2038=back
2039
2040=head2 The C<urxvt::pw> Class
2041
2042This class implements process watchers. They create an event whenever a
2043process exits, after which they stop automatically.
2044
2045 my $pid = fork;
2046 ...
2047 $term->{pw} = urxvt::pw
2048 ->new
2049 ->start ($pid)
2050 ->cb (sub {
2051 my ($pw, $exit_status) = @_;
2052 ...
2053 });
2054
2055=over 4
2056
2057=item $pw = new urxvt::pw
2058
2059Create a new process watcher in stopped state.
2060
2061=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
2062
2063Set the callback to be called when the timer triggers.
2064
2065=item $pw = $timer->start ($pid)
2066
2067Tells the wqtcher to start watching for process C<$pid>.
2068
2069=item $pw = $pw->stop
2070
2071Stop the watcher.
2072
2073=back
2074
1691=head1 ENVIRONMENT 2075=head1 ENVIRONMENT
1692 2076
1693=head2 URXVT_PERL_VERBOSITY 2077=head2 URXVT_PERL_VERBOSITY
1694 2078
1695This variable controls the verbosity level of the perl extension. Higher 2079This variable controls the verbosity level of the perl extension. Higher

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