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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.80 by root, Thu Jan 12 00:11:59 2006 UTC vs.
Revision 1.118 by root, Fri Jan 20 18:50:49 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
72You can look at the source of the selection extension to see more
73interesting uses, such as parsing a line from beginning to end.
74
49It also offers the following bindable keyboard command: 75This extension also offers following bindable keyboard commands:
50 76
51=over 4 77=over 4
52 78
53=item rot13 79=item rot13
54 80
65 91
66=item selection-popup (enabled by default) 92=item selection-popup (enabled by default)
67 93
68Binds a popup menu to Ctrl-Button3 that lets you convert the selection 94Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69text into various other formats/action (such as uri unescaping, perl 95text into various other formats/action (such as uri unescaping, perl
70evalution, web-browser starting etc.), depending on content. 96evaluation, web-browser starting etc.), depending on content.
97
98Other extensions can extend this popup menu by pushing a code reference
99onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
100popup is displayed.
101
102It's sole argument is the popup menu, which can be modified. The selection
103is in C<$_>, which can be used to decide wether to add something or not.
104It should either return nothing or a string and a code reference. The
105string will be used as button text and the code reference will be called
106when the button gets activated and should transform C<$_>.
107
108The following will add an entry C<a to b> that transforms all C<a>s in
109the selection to C<b>s, but only if the selection currently contains any
110C<a>s:
111
112 push @{ $self->{term}{selection_popup_hook} }, sub {
113 /a/ ? ("a to be" => sub { s/a/b/g }
114 : ()
115 };
71 116
72=item searchable-scrollback<hotkey> (enabled by default) 117=item searchable-scrollback<hotkey> (enabled by default)
73 118
74Adds regex search functionality to the scrollback buffer, triggered 119Adds regex search functionality to the scrollback buffer, triggered
75by a hotkey (default: C<M-s>). When in search mode, normal terminal 120by a hotkey (default: C<M-s>). While in search mode, normal terminal
76input/output is suspended. 121input/output is suspended and a regex is displayed at the bottom of the
122screen.
77 123
78C</> starts an incremental regex search, C<n> searches further, C<p> or 124Inputting characters appends them to the regex and continues incremental
79C<N> jump to the previous match, C<G> jumps to the bottom and clears the 125search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
80history, C<enter> leaves search mode at the current position and C<escape> 126search upwards/downwards in the scrollback buffer, C<End> jumps to the
81returns to the original position. 127bottom. C<Escape> leaves search mode and returns to the point where search
128was started, while C<Enter> or C<Return> stay at the current position and
129additionally stores the first match in the current line into the primary
130selection.
82 131
83=item digital-clock 132=item selection-autotransform
84 133
85Displays a digital clock using the built-in overlay. 134This selection allows you to do automatic transforms on a selection
135whenever a selection is made.
136
137It works by specifying perl snippets (most useful is a single C<s///>
138operator) that modify C<$_> as resources:
139
140 URxvt.selection-autotransform.0: transform
141 URxvt.selection-autotransform.1: transform
142 ...
143
144For example, the following will transform selections of the form
145C<filename:number>, often seen in compiler messages, into C<vi +$filename
146$word>:
147
148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
149
150And this example matches the same,but replaces it with vi-commands you can
151paste directly into your (vi :) editor:
152
153 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
154
155Of course, this can be modified to suit your needs and your editor :)
156
157To expand the example above to typical perl error messages ("XXX at
158FILENAME line YYY."), you need a slightly more elaborate solution:
159
160 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
161 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
162
163The first line tells the selection code to treat the unchanging part of
164every error message as a selection pattern, and the second line transforms
165the message into vi commands to load the file.
166
167=item tabbed
168
169This transforms the terminal into a tabbar with additional terminals, that
170is, it implements what is commonly refered to as "tabbed terminal". The topmost line
171displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
172button per tab.
173
174Clicking a button will activate that tab. Pressing B<Shift-Left> and
175B<Shift-Right> will switch to the tab left or right of the current one,
176while B<Shift-Down> creates a new tab.
86 177
87=item mark-urls 178=item mark-urls
88 179
89Uses per-line display filtering (C<on_line_update>) to underline urls and 180Uses per-line display filtering (C<on_line_update>) to underline urls and
90make them clickable. When clicked, the program specified in the resource 181make them clickable. When middle-clicked, the program specified in the
91C<urlLauncher> (default C<x-www-browser>) will be started. 182resource C<urlLauncher> (default C<x-www-browser>) will be started with
183the URL as first argument.
184
185=item automove-background
186
187This is basically a one-line extension that dynamically changes the background pixmap offset
188to the window position, in effect creating the same effect as pseudo transparency with
189a custom pixmap. No scaling is supported in this mode. Exmaple:
190
191 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
92 192
93=item block-graphics-to-ascii 193=item block-graphics-to-ascii
94 194
95A not very useful example of filtering all text output to the terminal, 195A not very useful example of filtering all text output to the terminal,
96by replacing all line-drawing characters (U+2500 .. U+259F) by a 196by replacing all line-drawing characters (U+2500 .. U+259F) by a
97similar-looking ascii character. 197similar-looking ascii character.
98 198
199=item digital-clock
200
201Displays a digital clock using the built-in overlay.
202
99=item example-refresh-hooks 203=item example-refresh-hooks
100 204
101Displays a very simple digital clock in the upper right corner of the 205Displays a very simple digital clock in the upper right corner of the
102window. Illustrates overwriting the refresh callbacks to create your own 206window. Illustrates overwriting the refresh callbacks to create your own
103overlays or changes. 207overlays or changes.
208
209=item selection-pastebin
210
211This is a little rarely useful extension that Uploads the selection as
212textfile to a remote site (or does other things). (The implementation is
213not currently secure for use in a multiuser environment as it writes to
214F</tmp> directly.).
215
216It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
217i.e.
218
219 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
220
221Pressing this combination runs a command with C<%> replaced by the name of
222the textfile. This command can be set via a resource:
223
224 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
225
226And the default is likely not useful to anybody but the few people around
227here :)
228
229The name of the textfile is the hex encoded md5 sum of the selection, so
230the same content should lead to the same filename.
231
232After a successful upload the selection will be replaced by the text given
233in the C<selection-pastebin-url> resource (again, the % is the placeholder
234for the filename):
235
236 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
104 237
105=back 238=back
106 239
107=head1 API DOCUMENTATION 240=head1 API DOCUMENTATION
108 241
181called whenever the relevant event happens. 314called whenever the relevant event happens.
182 315
183The first argument passed to them is an extension oject as described in 316The first argument passed to them is an extension oject as described in
184the in the C<Extension Objects> section. 317the in the C<Extension Objects> section.
185 318
186B<All> of these hooks must return a boolean value. If it is true, then the 319B<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 320hooks 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. 321relevant action might not be carried out by the C++ code.
189 322
190I<< When in doubt, return a false value (preferably C<()>). >> 323I<< When in doubt, return a false value (preferably C<()>). >>
191 324
192=over 4 325=over 4
193 326
194=item on_init $term 327=item on_init $term
195 328
196Called after a new terminal object has been initialized, but before 329Called after a new terminal object has been initialized, but before
197windows are created or the command gets run. Most methods are unsafe to 330windows are created or the command gets run. Most methods are unsafe to
198call or deliver senseless data, as terminal size and other characteristics 331call or deliver senseless data, as terminal size and other characteristics
199have not yet been determined. You can safely query and change resources, 332have not yet been determined. You can safely query and change resources
200though. 333and options, though. For many purposes the C<on_start> hook is a better
334place.
335
336=item on_start $term
337
338Called at the very end of initialisation of a new terminal, just before
339trying to map (display) the toplevel and returning to the mainloop.
340
341=item on_destroy $term
342
343Called whenever something tries to destroy terminal, before doing anything
344yet. If this hook returns true, then destruction is skipped, but this is
345rarely a good idea.
201 346
202=item on_reset $term 347=item on_reset $term
203 348
204Called after the screen is "reset" for any reason, such as resizing or 349Called 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 350control sequences. Here is where you can react on changes to size-related
206variables. 351variables.
207 352
208=item on_start $term 353=item on_child_start $term, $pid
209 354
210Called at the very end of initialisation of a new terminal, just before 355Called just after the child process has been C<fork>ed.
211returning to the mainloop. 356
357=item on_child_exit $term, $status
358
359Called just after the child process has exited. C<$status> is the status
360from C<waitpid>.
212 361
213=item on_sel_make $term, $eventtime 362=item on_sel_make $term, $eventtime
214 363
215Called whenever a selection has been made by the user, but before the 364Called 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 365selection text is copied, so changes to the beginning, end or type of the
230=item on_sel_extend $term 379=item on_sel_extend $term
231 380
232Called whenever the user tries to extend the selection (e.g. with a double 381Called whenever the user tries to extend the selection (e.g. with a double
233click) and is either supposed to return false (normal operation), or 382click) and is either supposed to return false (normal operation), or
234should extend the selection itelf and return true to suppress the built-in 383should extend the selection itelf and return true to suppress the built-in
235processing. 384processing. This can happen multiple times, as long as the callback
385returns true, it will be called on every further click by the user and is
386supposed to enlarge the selection more and more, if possible.
236 387
237See the F<selection> example extension. 388See the F<selection> example extension.
238 389
239=item on_view_change $term, $offset 390=item on_view_change $term, $offset
240 391
307 458
308Called whenever the user presses a key combination that has a 459Called whenever the user presses a key combination that has a
309C<perl:string> action bound to it (see description of the B<keysym> 460C<perl:string> action bound to it (see description of the B<keysym>
310resource in the @@RXVT_NAME@@(1) manpage). 461resource in the @@RXVT_NAME@@(1) manpage).
311 462
463=item on_x_event $term, $event
464
465Called on every X event received on the vt window (and possibly other
466windows). Should only be used as a last resort. Most event structure
467members are not passed.
468
312=item on_focus_in $term 469=item on_focus_in $term
313 470
314Called whenever the window gets the keyboard focus, before rxvt-unicode 471Called whenever the window gets the keyboard focus, before rxvt-unicode
315does focus in processing. 472does focus in processing.
316 473
317=item on_focus_out $term 474=item on_focus_out $term
318 475
319Called wheneever the window loses keyboard focus, before rxvt-unicode does 476Called wheneever the window loses keyboard focus, before rxvt-unicode does
320focus out processing. 477focus out processing.
478
479=item on_configure_notify $term, $event
480
481=item on_property_notify $term, $event
321 482
322=item on_key_press $term, $event, $keysym, $octets 483=item on_key_press $term, $event, $keysym, $octets
323 484
324=item on_key_release $term, $event, $keysym 485=item on_key_release $term, $event, $keysym
325 486
342 503
343C<on_key_press> additionally receives the string rxvt-unicode would 504C<on_key_press> additionally receives the string rxvt-unicode would
344output, if any, in locale-specific encoding. 505output, if any, in locale-specific encoding.
345 506
346subwindow. 507subwindow.
508
509=item on_client_message $term, $event
510
511=item on_wm_protocols $term, $event
512
513=item on_wm_delete_window $term, $event
514
515Called when various types of ClientMessage events are received (all with
516format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
347 517
348=back 518=back
349 519
350=cut 520=cut
351 521
357use Scalar::Util (); 527use Scalar::Util ();
358use List::Util (); 528use List::Util ();
359 529
360our $VERSION = 1; 530our $VERSION = 1;
361our $TERM; 531our $TERM;
532our @TERM_INIT;
533our @TERM_EXT;
362our @HOOKNAME; 534our @HOOKNAME;
363our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 535our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
364our %OPTION; 536our %OPTION;
365 537
366our $LIBDIR; 538our $LIBDIR;
388=item $urxvt::TERM 560=item $urxvt::TERM
389 561
390The current terminal. This variable stores the current C<urxvt::term> 562The current terminal. This variable stores the current C<urxvt::term>
391object, whenever a callback/hook is executing. 563object, whenever a callback/hook is executing.
392 564
565=item @urxvt::TERM_INIT
566
567All coderefs in this array will be called as methods of the next newly
568created C<urxvt::term> object (during the C<on_init> phase). The array
569gets cleared before the codereferences that were in it are being executed,
570so coderefs can push themselves onto it again if they so desire.
571
572This complements to the perl-eval commandline option, but gets executed
573first.
574
575=item @urxvt::TERM_EXT
576
577Works similar to C<@TERM_INIT>, but contains perl package/class names, which
578get registered as normal extensions after calling the hooks in C<@TERM_INIT>
579but before other extensions. Gets cleared just like C<@TERM_INIT>.
580
393=back 581=back
394 582
395=head2 Functions in the C<urxvt> Package 583=head2 Functions in the C<urxvt> Package
396 584
397=over 4 585=over 4
411Using this function has the advantage that its output ends up in the 599Using this function has the advantage that its output ends up in the
412correct place, e.g. on stderr of the connecting urxvtc client. 600correct place, e.g. on stderr of the connecting urxvtc client.
413 601
414Messages have a size limit of 1023 bytes currently. 602Messages have a size limit of 1023 bytes currently.
415 603
416=item $is_safe = urxvt::safe
417
418Returns true when it is safe to do potentially unsafe things, such as
419evaluating perl code specified by the user. This is true when urxvt was
420started setuid or setgid.
421
422=item $time = urxvt::NOW 604=item $time = urxvt::NOW
423 605
424Returns the "current time" (as per the event loop). 606Returns the "current time" (as per the event loop).
425 607
426=item urxvt::CurrentTime 608=item urxvt::CurrentTime
427 609
428=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, 610=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
429Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, 611Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
430Button4Mask, Button5Mask, AnyModifier 612Button4Mask, Button5Mask, AnyModifier
613
614=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
615ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
616PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
617Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
618KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
619ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
620FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
621
622=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
623EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
624GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
625UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
626ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
627CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
628SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
431 629
432Various constants for use in X calls and event processing. 630Various constants for use in X calls and event processing.
433 631
434=back 632=back
435 633
486=back 684=back
487 685
488=cut 686=cut
489 687
490BEGIN { 688BEGIN {
491 urxvt->bootstrap;
492
493 # overwrite perl's warn 689 # overwrite perl's warn
494 *CORE::GLOBAL::warn = sub { 690 *CORE::GLOBAL::warn = sub {
495 my $msg = join "", @_; 691 my $msg = join "", @_;
496 $msg .= "\n" 692 $msg .= "\n"
497 unless $msg =~ /\n$/; 693 unless $msg =~ /\n$/;
498 urxvt::warn ($msg); 694 urxvt::warn ($msg);
499 }; 695 };
500
501# delete $ENV{IFS};
502# delete $ENV{CDPATH};
503# delete $ENV{BASH_ENV};
504# $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
505} 696}
506 697
507my @hook_count;
508my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 698my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
509 699
510sub verbose { 700sub verbose {
511 my ($level, $msg) = @_; 701 my ($level, $msg) = @_;
512 warn "$msg\n" if $level <= $verbosity; 702 warn "$msg\n" if $level <= $verbosity;
513} 703}
514 704
515my $extension_pkg = "extension0000";
516my %extension_pkg; 705my %extension_pkg;
517 706
518# load a single script into its own package, once only 707# load a single script into its own package, once only
519sub extension_package($) { 708sub extension_package($) {
520 my ($path) = @_; 709 my ($path) = @_;
521 710
522 $extension_pkg{$path} ||= do { 711 $extension_pkg{$path} ||= do {
523 my $pkg = "urxvt::" . ($extension_pkg++); 712 $path =~ /([^\/\\]+)$/;
713 my $pkg = $1;
714 $pkg =~ s/[^[:word:]]/_/g;
715 $pkg = "urxvt::ext::$pkg";
524 716
525 verbose 3, "loading extension '$path' into package '$pkg'"; 717 verbose 3, "loading extension '$path' into package '$pkg'";
526 718
527 open my $fh, "<:raw", $path 719 open my $fh, "<:raw", $path
528 or die "$path: $!"; 720 or die "$path: $!";
529 721
530 my $source = untaint 722 my $source =
531 "package $pkg; use strict; use utf8;\n" 723 "package $pkg; use strict; use utf8;\n"
532 . "use base urxvt::term::extension::;\n"
533 . "#line 1 \"$path\"\n{\n" 724 . "#line 1 \"$path\"\n{\n"
534 . (do { local $/; <$fh> }) 725 . (do { local $/; <$fh> })
535 . "\n};\n1"; 726 . "\n};\n1";
536 727
537 eval $source 728 eval $source
551 if ($htype == 0) { # INIT 742 if ($htype == 0) { # INIT
552 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 743 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
553 744
554 my %ext_arg; 745 my %ext_arg;
555 746
747 {
748 my @init = @TERM_INIT;
749 @TERM_INIT = ();
750 $_->($TERM) for @init;
751 my @pkg = @TERM_EXT;
752 @TERM_EXT = ();
753 $TERM->register_package ($_) for @pkg;
754 }
755
556 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 756 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
557 if ($_ eq "default") { 757 if ($_ eq "default") {
558 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 758 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
559 } elsif (/^-(.*)$/) { 759 } elsif (/^-(.*)$/) {
560 delete $ext_arg{$1}; 760 delete $ext_arg{$1};
561 } elsif (/^([^<]+)<(.*)>$/) { 761 } elsif (/^([^<]+)<(.*)>$/) {
586 if $verbosity >= 10; 786 if $verbosity >= 10;
587 787
588 keys %$cb; 788 keys %$cb;
589 789
590 while (my ($pkg, $cb) = each %$cb) { 790 while (my ($pkg, $cb) = each %$cb) {
591 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 791 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
592 and last; 792 $retval ||= $retval_;
593 793
594 if ($@) { 794 if ($@) {
595 $TERM->ungrab; # better to lose the grab than the session 795 $TERM->ungrab; # better to lose the grab than the session
596 warn $@; 796 warn $@;
597 } 797 }
598 } 798 }
799
800 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
801 if $verbosity >= 11;
599 } 802 }
600 803
601 if ($htype == 1) { # DESTROY 804 if ($htype == 1) { # DESTROY
602 if (my $hook = delete $TERM->{_hook}) {
603 for my $htype (0..$#$hook) {
604 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
605 or set_should_invoke $htype, 0;
606 }
607 }
608
609 # clear package objects 805 # clear package objects
610 %$_ = () for values %{ $TERM->{_pkg} }; 806 %$_ = () for values %{ $TERM->{_pkg} };
611 807
612 # clear package 808 # clear package
613 %$TERM = (); 809 %$TERM = ();
627 while (my ($name, $cb) = each %hook) { 823 while (my ($name, $cb) = each %hook) {
628 my $htype = $HOOKTYPE{uc $name}; 824 my $htype = $HOOKTYPE{uc $name};
629 defined $htype 825 defined $htype
630 or Carp::croak "unsupported hook type '$name'"; 826 or Carp::croak "unsupported hook type '$name'";
631 827
828 $self->set_should_invoke ($htype, +1)
632 unless (exists $self->{term}{_hook}[$htype]{$pkg}) { 829 unless exists $self->{term}{_hook}[$htype]{$pkg};
633 $hook_count[$htype]++
634 or urxvt::set_should_invoke $htype, 1;
635 }
636 830
637 $self->{term}{_hook}[$htype]{$pkg} = $cb; 831 $self->{term}{_hook}[$htype]{$pkg} = $cb;
638 } 832 }
639} 833}
640 834
645 for my $name (@hook) { 839 for my $name (@hook) {
646 my $htype = $HOOKTYPE{uc $name}; 840 my $htype = $HOOKTYPE{uc $name};
647 defined $htype 841 defined $htype
648 or Carp::croak "unsupported hook type '$name'"; 842 or Carp::croak "unsupported hook type '$name'";
649 843
844 $self->set_should_invoke ($htype, -1)
650 if (delete $self->{term}{_hook}[$htype]{$pkg}) { 845 if delete $self->{term}{_hook}[$htype]{$pkg};
651 --$hook_count[$htype]
652 or urxvt::set_should_invoke $htype, 0;
653 }
654 } 846 }
655} 847}
656 848
657our $AUTOLOAD; 849our $AUTOLOAD;
658 850
764# find on_xxx subs in the package and register them 956# find on_xxx subs in the package and register them
765# as hooks 957# as hooks
766sub register_package { 958sub register_package {
767 my ($self, $pkg, $argv) = @_; 959 my ($self, $pkg, $argv) = @_;
768 960
961 no strict 'refs';
962
963 urxvt::verbose 6, "register package $pkg to $self";
964
965 @{"$pkg\::ISA"} = urxvt::term::extension::;
966
769 my $proxy = bless { 967 my $proxy = bless {
770 _pkg => $pkg, 968 _pkg => $pkg,
771 argv => $argv, 969 argv => $argv,
772 }, $pkg; 970 }, $pkg;
773 Scalar::Util::weaken ($proxy->{term} = $self); 971 Scalar::Util::weaken ($proxy->{term} = $self);
804 1002
805Destroy the terminal object (close the window, free resources 1003Destroy the terminal object (close the window, free resources
806etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1004etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
807watchers (timers, io watchers) are still active. 1005watchers (timers, io watchers) are still active.
808 1006
1007=item $term->exec_async ($cmd[, @args])
1008
1009Works like the combination of the C<fork>/C<exec> builtins, which executes
1010("starts") programs in the background. This function takes care of setting
1011the user environment before exec'ing the command (e.g. C<PATH>) and should
1012be preferred over explicit calls to C<exec> or C<system>.
1013
1014Returns the pid of the subprocess or C<undef> on error.
1015
1016=cut
1017
1018sub exec_async {
1019 my $self = shift;
1020
1021 my $pid = fork;
1022
1023 return $pid
1024 if !defined $pid or $pid;
1025
1026 %ENV = %{ $self->env };
1027
1028 exec @_;
1029 urxvt::_exit 255;
1030}
1031
809=item $isset = $term->option ($optval[, $set]) 1032=item $isset = $term->option ($optval[, $set])
810 1033
811Returns true if the option specified by C<$optval> is enabled, and 1034Returns true if the option specified by C<$optval> is enabled, and
812optionally change it. All option values are stored by name in the hash 1035optionally change it. All option values are stored by name in the hash
813C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1036C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
815Here is a a likely non-exhaustive list of option names, please see the 1038Here is a a likely non-exhaustive list of option names, please see the
816source file F</src/optinc.h> to see the actual list: 1039source file F</src/optinc.h> to see the actual list:
817 1040
818 borderLess console cursorBlink cursorUnderline hold iconic insecure 1041 borderLess console cursorBlink cursorUnderline hold iconic insecure
819 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1042 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
820 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1043 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
821 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1044 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
822 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1045 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
823 tripleclickwords utmpInhibit visualBell 1046 transparent tripleclickwords utmpInhibit visualBell
824 1047
825=item $value = $term->resource ($name[, $newval]) 1048=item $value = $term->resource ($name[, $newval])
826 1049
827Returns the current resource value associated with a given name and 1050Returns the current resource value associated with a given name and
828optionally sets a new value. Setting values is most useful in the C<init> 1051optionally sets a new value. Setting values is most useful in the C<init>
845 1068
846 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1069 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
847 borderLess color cursorBlink cursorUnderline cutchars delete_key 1070 borderLess color cursorBlink cursorUnderline cutchars delete_key
848 display_name embed ext_bwidth fade font geometry hold iconName 1071 display_name embed ext_bwidth fade font geometry hold iconName
849 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1072 imFont imLocale inputMethod insecure int_bwidth intensityStyles
850 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1073 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
851 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1074 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
852 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1075 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
853 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1076 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
854 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1077 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
855 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1078 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
856 shade term_name title transparent transparent_all tripleclickwords 1079 secondaryScreen secondaryScroll selectstyle shade term_name title
857 utmpInhibit visualBell 1080 transient_for transparent transparent_all tripleclickwords utmpInhibit
1081 visualBell
858 1082
859=cut 1083=cut
860 1084
861sub resource($$;$) { 1085sub resource($$;$) {
862 my ($self, $name) = (shift, shift); 1086 my ($self, $name) = (shift, shift);
897=item ($row, $col) = $term->selection_end ([$row, $col]) 1121=item ($row, $col) = $term->selection_end ([$row, $col])
898 1122
899Return the current values of the selection mark, begin or end positions, 1123Return the current values of the selection mark, begin or end positions,
900and optionally set them to new values. 1124and optionally set them to new values.
901 1125
1126=item $term->selection_make ($eventtime[, $rectangular])
1127
1128Tries to make a selection as set by C<selection_beg> and
1129C<selection_end>. If C<$rectangular> is true (default: false), a
1130rectangular selection will be made. This is the prefered function to make
1131a selection.
1132
902=item $success = $term->selection_grab ($eventtime) 1133=item $success = $term->selection_grab ($eventtime)
903 1134
904Try to request the primary selection from the server (for example, as set 1135Try to request the primary selection text from the server (for example, as
905by the next method). 1136set by the next method). No visual feedback will be given. This function
1137is mostly useful from within C<on_sel_grab> hooks.
906 1138
907=item $oldtext = $term->selection ([$newtext]) 1139=item $oldtext = $term->selection ([$newtext])
908 1140
909Return the current selection text and optionally replace it by C<$newtext>. 1141Return the current selection text and optionally replace it by C<$newtext>.
910 1142
1003Convert the given locale-encoded octets into a perl string. 1235Convert the given locale-encoded octets into a perl string.
1004 1236
1005=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle]) 1237=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1006 1238
1007XORs the rendition values in the given span with the provided value 1239XORs the rendition values in the given span with the provided value
1008(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar 1240(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1009to the selection. 1241refresh hooks to provide effects similar to the selection.
1010 1242
1011=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]]) 1243=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1012 1244
1013Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing 1245Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1014whitespace will additionally be xored with the C<$rstyle2>, which defaults 1246whitespace will additionally be xored with the C<$rstyle2>, which defaults
1015to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines 1247to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1016it instead. 1248it instead. Both styles I<MUST NOT> contain font styles.
1017 1249
1018=item $term->scr_bell 1250=item $term->scr_bell
1019 1251
1020Ring the bell! 1252Ring the bell!
1021 1253
1055 1287
1056=item $windowid = $term->vt 1288=item $windowid = $term->vt
1057 1289
1058Return the window id of the terminal window. 1290Return the window id of the terminal window.
1059 1291
1292=item $term->vt_emask_add ($x_event_mask)
1293
1294Adds the specified events to the vt event mask. Useful e.g. when you want
1295to receive pointer events all the times:
1296
1297 $term->vt_emask_add (urxvt::PointerMotionMask);
1298
1060=item $window_width = $term->width 1299=item $window_width = $term->width
1061 1300
1062=item $window_height = $term->height 1301=item $window_height = $term->height
1063 1302
1064=item $font_width = $term->fwidth 1303=item $font_width = $term->fwidth
1077 1316
1078=item $max_scrollback = $term->saveLines 1317=item $max_scrollback = $term->saveLines
1079 1318
1080=item $nrow_plus_saveLines = $term->total_rows 1319=item $nrow_plus_saveLines = $term->total_rows
1081 1320
1082=item $lines_in_scrollback = $term->nsaved 1321=item $topmost_scrollback_row = $term->top_row
1083 1322
1084Return various integers describing terminal characteristics. 1323Return various integers describing terminal characteristics.
1085 1324
1086=item $x_display = $term->display_id 1325=item $x_display = $term->display_id
1087 1326
1115Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1354Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1116AltGr), the meta key (often Alt) and the num lock key, if applicable. 1355AltGr), the meta key (often Alt) and the num lock key, if applicable.
1117 1356
1118=item $view_start = $term->view_start ([$newvalue]) 1357=item $view_start = $term->view_start ([$newvalue])
1119 1358
1120Returns the negative row number of the topmost line. Minimum value is 1359Returns the row number of the topmost displayed line. Maximum value is
1121C<0>, which displays the normal terminal contents. Larger values scroll 1360C<0>, which displays the normal terminal contents. Lower values scroll
1122this many lines into the scrollback buffer. 1361this many lines into the scrollback buffer.
1123 1362
1124=item $term->want_refresh 1363=item $term->want_refresh
1125 1364
1126Requests a screen refresh. At the next opportunity, rxvt-unicode will 1365Requests a screen refresh. At the next opportunity, rxvt-unicode will
1205Return the row number of the first/last row of the line, respectively. 1444Return the row number of the first/last row of the line, respectively.
1206 1445
1207=item $offset = $line->offset_of ($row, $col) 1446=item $offset = $line->offset_of ($row, $col)
1208 1447
1209Returns the character offset of the given row|col pair within the logical 1448Returns the character offset of the given row|col pair within the logical
1210line. 1449line. Works for rows outside the line, too, and returns corresponding
1450offsets outside the string.
1211 1451
1212=item ($row, $col) = $line->coord_of ($offset) 1452=item ($row, $col) = $line->coord_of ($offset)
1213 1453
1214Translates a string offset into terminal coordinates again. 1454Translates a string offset into terminal coordinates again.
1215 1455
1438 my $env = $self->{term}->env; 1678 my $env = $self->{term}->env;
1439 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1679 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1440 delete $env->{LC_ALL}; 1680 delete $env->{LC_ALL};
1441 $env->{LC_CTYPE} = $self->{term}->locale; 1681 $env->{LC_CTYPE} = $self->{term}->locale;
1442 1682
1443 urxvt::term->new ($env, $self->{term}->resource ("name"), 1683 urxvt::term->new ($env, "popup",
1444 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1684 "--perl-lib" => "", "--perl-ext-common" => "",
1685 "-pty-fd" => -1, "-sl" => 0,
1686 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1445 "--transient-for" => $self->{term}->parent, 1687 "--transient-for" => $self->{term}->parent,
1446 "-display" => $self->{term}->display_id, 1688 "-display" => $self->{term}->display_id,
1447 "-pe" => "urxvt-popup") 1689 "-pe" => "urxvt-popup")
1448 or die "unable to create popup window\n"; 1690 or die "unable to create popup window\n";
1449} 1691}
1454 delete $self->{term}{_destroy}{$self}; 1696 delete $self->{term}{_destroy}{$self};
1455 $self->{term}->ungrab; 1697 $self->{term}->ungrab;
1456} 1698}
1457 1699
1458=back 1700=back
1701
1702=cut
1703
1704package urxvt::watcher;
1705
1706@urxvt::timer::ISA = __PACKAGE__;
1707@urxvt::iow::ISA = __PACKAGE__;
1708@urxvt::pw::ISA = __PACKAGE__;
1709@urxvt::iw::ISA = __PACKAGE__;
1459 1710
1460=head2 The C<urxvt::timer> Class 1711=head2 The C<urxvt::timer> Class
1461 1712
1462This class implements timer watchers/events. Time is represented as a 1713This class implements timer watchers/events. Time is represented as a
1463fractional number of seconds since the epoch. Example: 1714fractional number of seconds since the epoch. Example:
1501Start the timer. 1752Start the timer.
1502 1753
1503=item $timer = $timer->start ($tstamp) 1754=item $timer = $timer->start ($tstamp)
1504 1755
1505Set the event trigger time to C<$tstamp> and start the timer. 1756Set the event trigger time to C<$tstamp> and start the timer.
1757
1758=item $timer = $timer->after ($delay)
1759
1760Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1506 1761
1507=item $timer = $timer->stop 1762=item $timer = $timer->stop
1508 1763
1509Stop the timer. 1764Stop the timer.
1510 1765
1557 1812
1558Stop watching for events on the given filehandle. 1813Stop watching for events on the given filehandle.
1559 1814
1560=back 1815=back
1561 1816
1817=head2 The C<urxvt::iw> Class
1818
1819This class implements idle watchers, that get called automatically when
1820the process is idle. They should return as fast as possible, after doing
1821some useful work.
1822
1823=over 4
1824
1825=item $iw = new urxvt::iw
1826
1827Create a new idle watcher object in stopped state.
1828
1829=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1830
1831Set the callback to be called when the watcher triggers.
1832
1833=item $timer = $timer->start
1834
1835Start the watcher.
1836
1837=item $timer = $timer->stop
1838
1839Stop the watcher.
1840
1841=back
1842
1843=head2 The C<urxvt::pw> Class
1844
1845This class implements process watchers. They create an event whenever a
1846process exits, after which they stop automatically.
1847
1848 my $pid = fork;
1849 ...
1850 $term->{pw} = urxvt::pw
1851 ->new
1852 ->start ($pid)
1853 ->cb (sub {
1854 my ($pw, $exit_status) = @_;
1855 ...
1856 });
1857
1858=over 4
1859
1860=item $pw = new urxvt::pw
1861
1862Create a new process watcher in stopped state.
1863
1864=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1865
1866Set the callback to be called when the timer triggers.
1867
1868=item $pw = $timer->start ($pid)
1869
1870Tells the wqtcher to start watching for process C<$pid>.
1871
1872=item $pw = $pw->stop
1873
1874Stop the watcher.
1875
1876=back
1877
1562=head1 ENVIRONMENT 1878=head1 ENVIRONMENT
1563 1879
1564=head2 URXVT_PERL_VERBOSITY 1880=head2 URXVT_PERL_VERBOSITY
1565 1881
1566This variable controls the verbosity level of the perl extension. Higher 1882This variable controls the verbosity level of the perl extension. Higher
1570 1886
1571=item == 0 - fatal messages 1887=item == 0 - fatal messages
1572 1888
1573=item >= 3 - script loading and management 1889=item >= 3 - script loading and management
1574 1890
1575=item >=10 - all events received 1891=item >=10 - all called hooks
1892
1893=item >=11 - hook reutrn values
1576 1894
1577=back 1895=back
1578 1896
1579=head1 AUTHOR 1897=head1 AUTHOR
1580 1898

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