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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.78 by root, Wed Jan 11 01:01:52 2006 UTC vs.
Revision 1.114 by root, Fri Jan 20 12:16:28 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
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. 96evalution, web-browser starting etc.), depending on content.
71 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 @{ $self->{term}{selection_popup_hook} }, sub {
113 /a/ ? ("a to be" => sub { s/a/b/g }
114 : ()
115 };
116
72=item searchable-scrollback<hotkey> (enabled by default) 117=item searchable-scrollback<hotkey> (enabled by default)
73 118
74Adds regex search functionality to the scrollback buffer, triggered 119Adds regex search functionality to the scrollback buffer, triggered
75by a hotkey (default: C<M-s>). When in search mode, normal terminal 120by a hotkey (default: C<M-s>). While in search mode, normal terminal
76input/output is suspended. 121input/output is suspended and a regex is displayed at the bottom of the
122screen.
77 123
78C</> starts an incremental regex search, C<n> searches further, C<p> or 124Inputting characters appends them to the regex and continues incremental
79C<N> jump to the previous match, C<G> jumps to the bottom and clears the 125search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
80history, C<enter> leaves search mode at the current position and C<escape> 126search upwards/downwards in the scrollback buffer, C<End> jumps to the
81returns to the original position. 127bottom. C<Escape> leaves search mode and returns to the point where search
128was started, while C<Enter> or C<Return> stay at the current position and
129additionally stores the first match in the current line into the primary
130selection.
82 131
83=item digital-clock 132=item selection-autotransform
84 133
85Displays a digital clock using the built-in overlay. 134This selection allows you to do automatic transforms on a selection
135whenever a selection is made.
136
137It works by specifying perl snippets (most useful is a single C<s///>
138operator) that modify C<$_> 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.
86 166
87=item mark-urls 167=item mark-urls
88 168
89Uses per-line display filtering (C<on_line_update>) to underline urls. 169Uses per-line display filtering (C<on_line_update>) to underline urls and
170make them clickable. When middle-clicked, the program specified in the
171resource C<urlLauncher> (default C<x-www-browser>) will be started with
172the URL as first argument.
173
174=item automove-background
175
176This is basically a one-line extension that dynamically changes the background pixmap offset
177to the window position, in effect creating the same effect as pseudo transparency with
178a custom pixmap. No scaling is supported in this mode. Exmaple:
179
180 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
90 181
91=item block-graphics-to-ascii 182=item block-graphics-to-ascii
92 183
93A not very useful example of filtering all text output to the terminal, 184A not very useful example of filtering all text output to the terminal,
94by replacing all line-drawing characters (U+2500 .. U+259F) by a 185by replacing all line-drawing characters (U+2500 .. U+259F) by a
95similar-looking ascii character. 186similar-looking ascii character.
96 187
188=item digital-clock
189
190Displays a digital clock using the built-in overlay.
191
97=item example-refresh-hooks 192=item example-refresh-hooks
98 193
99Displays a very simple digital clock in the upper right corner of the 194Displays a very simple digital clock in the upper right corner of the
100window. Illustrates overwriting the refresh callbacks to create your own 195window. Illustrates overwriting the refresh callbacks to create your own
101overlays or changes. 196overlays or changes.
197
198=item selection-pastebin
199
200This is a little rarely useful extension that Uploads the selection as
201textfile to a remote site (or does other things). (The implementation is
202not currently secure for use in a multiuser environment as it writes to
203F</tmp> directly.).
204
205It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
206i.e.
207
208 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
209
210Pressing this combination runs a command with C<%> replaced by the name of
211the textfile. This command can be set via a resource:
212
213 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
214
215And the default is likely not useful to anybody but the few people around
216here :)
217
218The name of the textfile is the hex encoded md5 sum of the selection, so
219the same content should lead to the same filename.
220
221After a successful upload the selection will be replaced by the text given
222in the C<selection-pastebin-url> resource (again, the % is the placeholder
223for the filename):
224
225 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
102 226
103=back 227=back
104 228
105=head1 API DOCUMENTATION 229=head1 API DOCUMENTATION
106 230
179called whenever the relevant event happens. 303called whenever the relevant event happens.
180 304
181The first argument passed to them is an extension oject as described in 305The first argument passed to them is an extension oject as described in
182the in the C<Extension Objects> section. 306the in the C<Extension Objects> section.
183 307
184B<All> of these hooks must return a boolean value. If it is true, then the 308B<All> of these hooks must return a boolean value. If any of the called
185event counts as being I<consumed>, and the invocation of other hooks is 309hooks returns true, then the event counts as being I<consumed>, and the
186skipped, and the relevant action might not be carried out by the C++ code. 310relevant action might not be carried out by the C++ code.
187 311
188I<< When in doubt, return a false value (preferably C<()>). >> 312I<< When in doubt, return a false value (preferably C<()>). >>
189 313
190=over 4 314=over 4
191 315
192=item on_init $term 316=item on_init $term
193 317
194Called after a new terminal object has been initialized, but before 318Called after a new terminal object has been initialized, but before
195windows are created or the command gets run. Most methods are unsafe to 319windows are created or the command gets run. Most methods are unsafe to
196call or deliver senseless data, as terminal size and other characteristics 320call or deliver senseless data, as terminal size and other characteristics
197have not yet been determined. You can safely query and change resources, 321have not yet been determined. You can safely query and change resources
198though. 322and options, though. For many purposes the C<on_start> hook is a better
323place.
324
325=item on_start $term
326
327Called at the very end of initialisation of a new terminal, just before
328trying to map (display) the toplevel and returning to the mainloop.
329
330=item on_destroy $term
331
332Called whenever something tries to destroy terminal, before doing anything
333yet. If this hook returns true, then destruction is skipped, but this is
334rarely a good idea.
199 335
200=item on_reset $term 336=item on_reset $term
201 337
202Called after the screen is "reset" for any reason, such as resizing or 338Called after the screen is "reset" for any reason, such as resizing or
203control sequences. Here is where you can react on changes to size-related 339control sequences. Here is where you can react on changes to size-related
204variables. 340variables.
205 341
206=item on_start $term 342=item on_child_start $term, $pid
207 343
208Called at the very end of initialisation of a new terminal, just before 344Called just after the child process has been C<fork>ed.
209returning to the mainloop. 345
346=item on_child_exit $term, $status
347
348Called just after the child process has exited. C<$status> is the status
349from C<waitpid>.
210 350
211=item on_sel_make $term, $eventtime 351=item on_sel_make $term, $eventtime
212 352
213Called whenever a selection has been made by the user, but before the 353Called whenever a selection has been made by the user, but before the
214selection text is copied, so changes to the beginning, end or type of the 354selection text is copied, so changes to the beginning, end or type of the
228=item on_sel_extend $term 368=item on_sel_extend $term
229 369
230Called whenever the user tries to extend the selection (e.g. with a double 370Called whenever the user tries to extend the selection (e.g. with a double
231click) and is either supposed to return false (normal operation), or 371click) and is either supposed to return false (normal operation), or
232should extend the selection itelf and return true to suppress the built-in 372should extend the selection itelf and return true to suppress the built-in
233processing. 373processing. This can happen multiple times, as long as the callback
374returns true, it will be called on every further click by the user and is
375supposed to enlarge the selection more and more, if possible.
234 376
235See the F<selection> example extension. 377See the F<selection> example extension.
236 378
237=item on_view_change $term, $offset 379=item on_view_change $term, $offset
238 380
305 447
306Called whenever the user presses a key combination that has a 448Called whenever the user presses a key combination that has a
307C<perl:string> action bound to it (see description of the B<keysym> 449C<perl:string> action bound to it (see description of the B<keysym>
308resource in the @@RXVT_NAME@@(1) manpage). 450resource in the @@RXVT_NAME@@(1) manpage).
309 451
452=item on_x_event $term, $event
453
454Called on every X event received on the vt window (and possibly other
455windows). Should only be used as a last resort. Most event structure
456members are not passed.
457
310=item on_focus_in $term 458=item on_focus_in $term
311 459
312Called whenever the window gets the keyboard focus, before rxvt-unicode 460Called whenever the window gets the keyboard focus, before rxvt-unicode
313does focus in processing. 461does focus in processing.
314 462
315=item on_focus_out $term 463=item on_focus_out $term
316 464
317Called wheneever the window loses keyboard focus, before rxvt-unicode does 465Called wheneever the window loses keyboard focus, before rxvt-unicode does
318focus out processing. 466focus out processing.
467
468=item on_configure_notify $term, $event
319 469
320=item on_key_press $term, $event, $keysym, $octets 470=item on_key_press $term, $event, $keysym, $octets
321 471
322=item on_key_release $term, $event, $keysym 472=item on_key_release $term, $event, $keysym
323 473
340 490
341C<on_key_press> additionally receives the string rxvt-unicode would 491C<on_key_press> additionally receives the string rxvt-unicode would
342output, if any, in locale-specific encoding. 492output, if any, in locale-specific encoding.
343 493
344subwindow. 494subwindow.
495
496=item on_client_message $term, $event
497
498=item on_wm_protocols $term, $event
499
500=item on_wm_delete_window $term, $event
501
502Called when various types of ClientMessage events are received (all with
503format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
345 504
346=back 505=back
347 506
348=cut 507=cut
349 508
355use Scalar::Util (); 514use Scalar::Util ();
356use List::Util (); 515use List::Util ();
357 516
358our $VERSION = 1; 517our $VERSION = 1;
359our $TERM; 518our $TERM;
519our @TERM_INIT;
520our @TERM_EXT;
360our @HOOKNAME; 521our @HOOKNAME;
361our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 522our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
362our %OPTION; 523our %OPTION;
363 524
364our $LIBDIR; 525our $LIBDIR;
386=item $urxvt::TERM 547=item $urxvt::TERM
387 548
388The current terminal. This variable stores the current C<urxvt::term> 549The current terminal. This variable stores the current C<urxvt::term>
389object, whenever a callback/hook is executing. 550object, whenever a callback/hook is executing.
390 551
552=item @urxvt::TERM_INIT
553
554All coderefs in this array will be called as methods of the next newly
555created C<urxvt::term> object (during the C<on_init> phase). The array
556gets cleared before the codereferences that were in it are being executed,
557so coderefs can push themselves onto it again if they so desire.
558
559This complements to the perl-eval commandline option, but gets executed
560first.
561
562=item @urxvt::TERM_EXT
563
564Works similar to C<@TERM_INIT>, but contains perl package/class names, which
565get registered as normal extensions after calling the hooks in C<@TERM_INIT>
566but before other extensions. Gets cleared just like C<@TERM_INIT>.
567
391=back 568=back
392 569
393=head2 Functions in the C<urxvt> Package 570=head2 Functions in the C<urxvt> Package
394 571
395=over 4 572=over 4
409Using this function has the advantage that its output ends up in the 586Using this function has the advantage that its output ends up in the
410correct place, e.g. on stderr of the connecting urxvtc client. 587correct place, e.g. on stderr of the connecting urxvtc client.
411 588
412Messages have a size limit of 1023 bytes currently. 589Messages have a size limit of 1023 bytes currently.
413 590
414=item $is_safe = urxvt::safe
415
416Returns true when it is safe to do potentially unsafe things, such as
417evaluating perl code specified by the user. This is true when urxvt was
418started setuid or setgid.
419
420=item $time = urxvt::NOW 591=item $time = urxvt::NOW
421 592
422Returns the "current time" (as per the event loop). 593Returns the "current time" (as per the event loop).
423 594
424=item urxvt::CurrentTime 595=item urxvt::CurrentTime
425 596
426=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, 597=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
427Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, 598Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
428Button4Mask, Button5Mask, AnyModifier 599Button4Mask, Button5Mask, AnyModifier
600
601=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
602ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
603PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
604Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
605KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
606ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
607FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
608
609=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
610EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
611GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
612UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
613ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
614CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
615SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
429 616
430Various constants for use in X calls and event processing. 617Various constants for use in X calls and event processing.
431 618
432=back 619=back
433 620
484=back 671=back
485 672
486=cut 673=cut
487 674
488BEGIN { 675BEGIN {
489 urxvt->bootstrap;
490
491 # overwrite perl's warn 676 # overwrite perl's warn
492 *CORE::GLOBAL::warn = sub { 677 *CORE::GLOBAL::warn = sub {
493 my $msg = join "", @_; 678 my $msg = join "", @_;
494 $msg .= "\n" 679 $msg .= "\n"
495 unless $msg =~ /\n$/; 680 unless $msg =~ /\n$/;
496 urxvt::warn ($msg); 681 urxvt::warn ($msg);
497 }; 682 };
498
499 delete $ENV{IFS};
500 delete $ENV{CDPATH};
501 delete $ENV{BASH_ENV};
502 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
503} 683}
504 684
505my @hook_count;
506my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 685my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
507 686
508sub verbose { 687sub verbose {
509 my ($level, $msg) = @_; 688 my ($level, $msg) = @_;
510 warn "$msg\n" if $level <= $verbosity; 689 warn "$msg\n" if $level <= $verbosity;
511} 690}
512 691
513my $extension_pkg = "extension0000";
514my %extension_pkg; 692my %extension_pkg;
515 693
516# load a single script into its own package, once only 694# load a single script into its own package, once only
517sub extension_package($) { 695sub extension_package($) {
518 my ($path) = @_; 696 my ($path) = @_;
519 697
520 $extension_pkg{$path} ||= do { 698 $extension_pkg{$path} ||= do {
521 my $pkg = "urxvt::" . ($extension_pkg++); 699 $path =~ /([^\/\\]+)$/;
700 my $pkg = $1;
701 $pkg =~ s/[^[:word:]]/_/g;
702 $pkg = "urxvt::ext::$pkg";
522 703
523 verbose 3, "loading extension '$path' into package '$pkg'"; 704 verbose 3, "loading extension '$path' into package '$pkg'";
524 705
525 open my $fh, "<:raw", $path 706 open my $fh, "<:raw", $path
526 or die "$path: $!"; 707 or die "$path: $!";
527 708
528 my $source = untaint 709 my $source =
529 "package $pkg; use strict; use utf8;\n" 710 "package $pkg; use strict; use utf8;\n"
530 . "use base urxvt::term::extension::;\n"
531 . "#line 1 \"$path\"\n{\n" 711 . "#line 1 \"$path\"\n{\n"
532 . (do { local $/; <$fh> }) 712 . (do { local $/; <$fh> })
533 . "\n};\n1"; 713 . "\n};\n1";
534 714
535 eval $source 715 eval $source
549 if ($htype == 0) { # INIT 729 if ($htype == 0) { # INIT
550 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 730 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
551 731
552 my %ext_arg; 732 my %ext_arg;
553 733
734 {
735 my @init = @TERM_INIT;
736 @TERM_INIT = ();
737 $_->($TERM) for @init;
738 my @pkg = @TERM_EXT;
739 @TERM_EXT = ();
740 $TERM->register_package ($_) for @pkg;
741 }
742
554 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 743 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
555 if ($_ eq "default") { 744 if ($_ eq "default") {
556 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 745 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
557 } elsif (/^-(.*)$/) { 746 } elsif (/^-(.*)$/) {
558 delete $ext_arg{$1}; 747 delete $ext_arg{$1};
559 } elsif (/^([^<]+)<(.*)>$/) { 748 } elsif (/^([^<]+)<(.*)>$/) {
584 if $verbosity >= 10; 773 if $verbosity >= 10;
585 774
586 keys %$cb; 775 keys %$cb;
587 776
588 while (my ($pkg, $cb) = each %$cb) { 777 while (my ($pkg, $cb) = each %$cb) {
589 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 778 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
590 and last; 779 $retval ||= $retval_;
591 780
592 if ($@) { 781 if ($@) {
593 $TERM->ungrab; # better to lose the grab than the session 782 $TERM->ungrab; # better to lose the grab than the session
594 warn $@; 783 warn $@;
595 } 784 }
596 } 785 }
786
787 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
788 if $verbosity >= 11;
597 } 789 }
598 790
599 if ($htype == 1) { # DESTROY 791 if ($htype == 1) { # DESTROY
600 if (my $hook = delete $TERM->{_hook}) {
601 for my $htype (0..$#$hook) {
602 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
603 or set_should_invoke $htype, 0;
604 }
605 }
606
607 # clear package objects 792 # clear package objects
608 %$_ = () for values %{ $TERM->{_pkg} }; 793 %$_ = () for values %{ $TERM->{_pkg} };
609 794
610 # clear package 795 # clear package
611 %$TERM = (); 796 %$TERM = ();
625 while (my ($name, $cb) = each %hook) { 810 while (my ($name, $cb) = each %hook) {
626 my $htype = $HOOKTYPE{uc $name}; 811 my $htype = $HOOKTYPE{uc $name};
627 defined $htype 812 defined $htype
628 or Carp::croak "unsupported hook type '$name'"; 813 or Carp::croak "unsupported hook type '$name'";
629 814
815 $self->set_should_invoke ($htype, +1)
630 unless (exists $self->{term}{_hook}[$htype]{$pkg}) { 816 unless exists $self->{term}{_hook}[$htype]{$pkg};
631 $hook_count[$htype]++
632 or urxvt::set_should_invoke $htype, 1;
633 }
634 817
635 $self->{term}{_hook}[$htype]{$pkg} = $cb; 818 $self->{term}{_hook}[$htype]{$pkg} = $cb;
636 } 819 }
637} 820}
638 821
643 for my $name (@hook) { 826 for my $name (@hook) {
644 my $htype = $HOOKTYPE{uc $name}; 827 my $htype = $HOOKTYPE{uc $name};
645 defined $htype 828 defined $htype
646 or Carp::croak "unsupported hook type '$name'"; 829 or Carp::croak "unsupported hook type '$name'";
647 830
831 $self->set_should_invoke ($htype, -1)
648 if (delete $self->{term}{_hook}[$htype]{$pkg}) { 832 if delete $self->{term}{_hook}[$htype]{$pkg};
649 --$hook_count[$htype]
650 or urxvt::set_should_invoke $htype, 0;
651 }
652 } 833 }
653} 834}
654 835
655our $AUTOLOAD; 836our $AUTOLOAD;
656 837
762# find on_xxx subs in the package and register them 943# find on_xxx subs in the package and register them
763# as hooks 944# as hooks
764sub register_package { 945sub register_package {
765 my ($self, $pkg, $argv) = @_; 946 my ($self, $pkg, $argv) = @_;
766 947
948 no strict 'refs';
949
950 urxvt::verbose 6, "register package $pkg to $self";
951
952 @{"$pkg\::ISA"} = urxvt::term::extension::;
953
767 my $proxy = bless { 954 my $proxy = bless {
768 _pkg => $pkg, 955 _pkg => $pkg,
769 argv => $argv, 956 argv => $argv,
770 }, $pkg; 957 }, $pkg;
771 Scalar::Util::weaken ($proxy->{term} = $self); 958 Scalar::Util::weaken ($proxy->{term} = $self);
802 989
803Destroy the terminal object (close the window, free resources 990Destroy the terminal object (close the window, free resources
804etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 991etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
805watchers (timers, io watchers) are still active. 992watchers (timers, io watchers) are still active.
806 993
994=item $term->exec_async ($cmd[, @args])
995
996Works like the combination of the C<fork>/C<exec> builtins, which executes
997("starts") programs in the background. This function takes care of setting
998the user environment before exec'ing the command (e.g. C<PATH>) and should
999be preferred over explicit calls to C<exec> or C<system>.
1000
1001Returns the pid of the subprocess or C<undef> on error.
1002
1003=cut
1004
1005sub exec_async {
1006 my $self = shift;
1007
1008 my $pid = fork;
1009
1010 return $pid
1011 if !defined $pid or $pid;
1012
1013 %ENV = %{ $self->env };
1014
1015 exec @_;
1016 urxvt::_exit 255;
1017}
1018
807=item $isset = $term->option ($optval[, $set]) 1019=item $isset = $term->option ($optval[, $set])
808 1020
809Returns true if the option specified by C<$optval> is enabled, and 1021Returns true if the option specified by C<$optval> is enabled, and
810optionally change it. All option values are stored by name in the hash 1022optionally change it. All option values are stored by name in the hash
811C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1023C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
813Here is a a likely non-exhaustive list of option names, please see the 1025Here is a a likely non-exhaustive list of option names, please see the
814source file F</src/optinc.h> to see the actual list: 1026source file F</src/optinc.h> to see the actual list:
815 1027
816 borderLess console cursorBlink cursorUnderline hold iconic insecure 1028 borderLess console cursorBlink cursorUnderline hold iconic insecure
817 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1029 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
818 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1030 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
819 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1031 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
820 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1032 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
821 tripleclickwords utmpInhibit visualBell 1033 transparent tripleclickwords utmpInhibit visualBell
822 1034
823=item $value = $term->resource ($name[, $newval]) 1035=item $value = $term->resource ($name[, $newval])
824 1036
825Returns the current resource value associated with a given name and 1037Returns the current resource value associated with a given name and
826optionally sets a new value. Setting values is most useful in the C<init> 1038optionally sets a new value. Setting values is most useful in the C<init>
843 1055
844 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1056 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
845 borderLess color cursorBlink cursorUnderline cutchars delete_key 1057 borderLess color cursorBlink cursorUnderline cutchars delete_key
846 display_name embed ext_bwidth fade font geometry hold iconName 1058 display_name embed ext_bwidth fade font geometry hold iconName
847 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1059 imFont imLocale inputMethod insecure int_bwidth intensityStyles
848 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1060 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
849 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1061 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
850 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1062 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
851 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1063 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
852 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1064 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
853 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1065 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
854 shade term_name title transparent transparent_all tripleclickwords 1066 secondaryScreen secondaryScroll selectstyle shade term_name title
855 utmpInhibit visualBell 1067 transient_for transparent transparent_all tripleclickwords utmpInhibit
1068 visualBell
856 1069
857=cut 1070=cut
858 1071
859sub resource($$;$) { 1072sub resource($$;$) {
860 my ($self, $name) = (shift, shift); 1073 my ($self, $name) = (shift, shift);
861 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 1074 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
862 &urxvt::term::_resource 1075 &urxvt::term::_resource
863} 1076}
864 1077
1078=item $value = $term->x_resource ($pattern)
1079
1080Returns the X-Resource for the given pattern, excluding the program or
1081class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1082same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1083resource with that pattern exists.
1084
1085This method should only be called during the C<on_start> hook, as there is
1086only one resource database per display, and later invocations might return
1087the wrong resources.
1088
865=item $success = $term->parse_keysym ($keysym_spec, $command_string) 1089=item $success = $term->parse_keysym ($keysym_spec, $command_string)
866 1090
867Adds a keymap translation exactly as specified via a resource. See the 1091Adds a keymap translation exactly as specified via a resource. See the
868C<keysym> resource in the @@RXVT_NAME@@(1) manpage. 1092C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
869 1093
884=item ($row, $col) = $term->selection_end ([$row, $col]) 1108=item ($row, $col) = $term->selection_end ([$row, $col])
885 1109
886Return the current values of the selection mark, begin or end positions, 1110Return the current values of the selection mark, begin or end positions,
887and optionally set them to new values. 1111and optionally set them to new values.
888 1112
1113=item $term->selection_make ($eventtime[, $rectangular])
1114
1115Tries to make a selection as set by C<selection_beg> and
1116C<selection_end>. If C<$rectangular> is true (default: false), a
1117rectangular selection will be made. This is the prefered function to make
1118a selection.
1119
889=item $success = $term->selection_grab ($eventtime) 1120=item $success = $term->selection_grab ($eventtime)
890 1121
891Try to request the primary selection from the server (for example, as set 1122Try to request the primary selection text from the server (for example, as
892by the next method). 1123set by the next method). No visual feedback will be given. This function
1124is mostly useful from within C<on_sel_grab> hooks.
893 1125
894=item $oldtext = $term->selection ([$newtext]) 1126=item $oldtext = $term->selection ([$newtext])
895 1127
896Return the current selection text and optionally replace it by C<$newtext>. 1128Return the current selection text and optionally replace it by C<$newtext>.
897 1129
990Convert the given locale-encoded octets into a perl string. 1222Convert the given locale-encoded octets into a perl string.
991 1223
992=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle]) 1224=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
993 1225
994XORs the rendition values in the given span with the provided value 1226XORs the rendition values in the given span with the provided value
995(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar 1227(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
996to the selection. 1228refresh hooks to provide effects similar to the selection.
997 1229
998=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]]) 1230=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
999 1231
1000Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing 1232Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1001whitespace will additionally be xored with the C<$rstyle2>, which defaults 1233whitespace will additionally be xored with the C<$rstyle2>, which defaults
1002to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines 1234to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1003it instead. 1235it instead. Both styles I<MUST NOT> contain font styles.
1004 1236
1005=item $term->scr_bell 1237=item $term->scr_bell
1006 1238
1007Ring the bell! 1239Ring the bell!
1008 1240
1042 1274
1043=item $windowid = $term->vt 1275=item $windowid = $term->vt
1044 1276
1045Return the window id of the terminal window. 1277Return the window id of the terminal window.
1046 1278
1279=item $term->vt_emask_add ($x_event_mask)
1280
1281Adds the specified events to the vt event mask. Useful e.g. when you want
1282to receive pointer events all the times:
1283
1284 $term->vt_emask_add (urxvt::PointerMotionMask);
1285
1047=item $window_width = $term->width 1286=item $window_width = $term->width
1048 1287
1049=item $window_height = $term->height 1288=item $window_height = $term->height
1050 1289
1051=item $font_width = $term->fwidth 1290=item $font_width = $term->fwidth
1064 1303
1065=item $max_scrollback = $term->saveLines 1304=item $max_scrollback = $term->saveLines
1066 1305
1067=item $nrow_plus_saveLines = $term->total_rows 1306=item $nrow_plus_saveLines = $term->total_rows
1068 1307
1069=item $lines_in_scrollback = $term->nsaved 1308=item $topmost_scrollback_row = $term->top_row
1070 1309
1071Return various integers describing terminal characteristics. 1310Return various integers describing terminal characteristics.
1072 1311
1073=item $x_display = $term->display_id 1312=item $x_display = $term->display_id
1074 1313
1102Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1341Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1103AltGr), the meta key (often Alt) and the num lock key, if applicable. 1342AltGr), the meta key (often Alt) and the num lock key, if applicable.
1104 1343
1105=item $view_start = $term->view_start ([$newvalue]) 1344=item $view_start = $term->view_start ([$newvalue])
1106 1345
1107Returns the negative row number of the topmost line. Minimum value is 1346Returns the row number of the topmost displayed line. Maximum value is
1108C<0>, which displays the normal terminal contents. Larger values scroll 1347C<0>, which displays the normal terminal contents. Lower values scroll
1109this many lines into the scrollback buffer. 1348this many lines into the scrollback buffer.
1110 1349
1111=item $term->want_refresh 1350=item $term->want_refresh
1112 1351
1113Requests a screen refresh. At the next opportunity, rxvt-unicode will 1352Requests a screen refresh. At the next opportunity, rxvt-unicode will
1192Return the row number of the first/last row of the line, respectively. 1431Return the row number of the first/last row of the line, respectively.
1193 1432
1194=item $offset = $line->offset_of ($row, $col) 1433=item $offset = $line->offset_of ($row, $col)
1195 1434
1196Returns the character offset of the given row|col pair within the logical 1435Returns the character offset of the given row|col pair within the logical
1197line. 1436line. Works for rows outside the line, too, and returns corresponding
1437offsets outside the string.
1198 1438
1199=item ($row, $col) = $line->coord_of ($offset) 1439=item ($row, $col) = $line->coord_of ($offset)
1200 1440
1201Translates a string offset into terminal coordinates again. 1441Translates a string offset into terminal coordinates again.
1202 1442
1425 my $env = $self->{term}->env; 1665 my $env = $self->{term}->env;
1426 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1666 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1427 delete $env->{LC_ALL}; 1667 delete $env->{LC_ALL};
1428 $env->{LC_CTYPE} = $self->{term}->locale; 1668 $env->{LC_CTYPE} = $self->{term}->locale;
1429 1669
1430 urxvt::term->new ($env, $self->{term}->resource ("name"), 1670 urxvt::term->new ($env, "popup",
1431 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1671 "--perl-lib" => "", "--perl-ext-common" => "",
1672 "-pty-fd" => -1, "-sl" => 0,
1673 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1432 "--transient-for" => $self->{term}->parent, 1674 "--transient-for" => $self->{term}->parent,
1433 "-display" => $self->{term}->display_id, 1675 "-display" => $self->{term}->display_id,
1434 "-pe" => "urxvt-popup") 1676 "-pe" => "urxvt-popup")
1435 or die "unable to create popup window\n"; 1677 or die "unable to create popup window\n";
1436} 1678}
1441 delete $self->{term}{_destroy}{$self}; 1683 delete $self->{term}{_destroy}{$self};
1442 $self->{term}->ungrab; 1684 $self->{term}->ungrab;
1443} 1685}
1444 1686
1445=back 1687=back
1688
1689=cut
1690
1691package urxvt::watcher;
1692
1693@urxvt::timer::ISA = __PACKAGE__;
1694@urxvt::iow::ISA = __PACKAGE__;
1695@urxvt::pw::ISA = __PACKAGE__;
1696@urxvt::iw::ISA = __PACKAGE__;
1446 1697
1447=head2 The C<urxvt::timer> Class 1698=head2 The C<urxvt::timer> Class
1448 1699
1449This class implements timer watchers/events. Time is represented as a 1700This class implements timer watchers/events. Time is represented as a
1450fractional number of seconds since the epoch. Example: 1701fractional number of seconds since the epoch. Example:
1488Start the timer. 1739Start the timer.
1489 1740
1490=item $timer = $timer->start ($tstamp) 1741=item $timer = $timer->start ($tstamp)
1491 1742
1492Set the event trigger time to C<$tstamp> and start the timer. 1743Set the event trigger time to C<$tstamp> and start the timer.
1744
1745=item $timer = $timer->after ($delay)
1746
1747Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1493 1748
1494=item $timer = $timer->stop 1749=item $timer = $timer->stop
1495 1750
1496Stop the timer. 1751Stop the timer.
1497 1752
1544 1799
1545Stop watching for events on the given filehandle. 1800Stop watching for events on the given filehandle.
1546 1801
1547=back 1802=back
1548 1803
1804=head2 The C<urxvt::iw> Class
1805
1806This class implements idle watchers, that get called automatically when
1807the process is idle. They should return as fast as possible, after doing
1808some useful work.
1809
1810=over 4
1811
1812=item $iw = new urxvt::iw
1813
1814Create a new idle watcher object in stopped state.
1815
1816=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1817
1818Set the callback to be called when the watcher triggers.
1819
1820=item $timer = $timer->start
1821
1822Start the watcher.
1823
1824=item $timer = $timer->stop
1825
1826Stop the watcher.
1827
1828=back
1829
1830=head2 The C<urxvt::pw> Class
1831
1832This class implements process watchers. They create an event whenever a
1833process exits, after which they stop automatically.
1834
1835 my $pid = fork;
1836 ...
1837 $term->{pw} = urxvt::pw
1838 ->new
1839 ->start ($pid)
1840 ->cb (sub {
1841 my ($pw, $exit_status) = @_;
1842 ...
1843 });
1844
1845=over 4
1846
1847=item $pw = new urxvt::pw
1848
1849Create a new process watcher in stopped state.
1850
1851=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1852
1853Set the callback to be called when the timer triggers.
1854
1855=item $pw = $timer->start ($pid)
1856
1857Tells the wqtcher to start watching for process C<$pid>.
1858
1859=item $pw = $pw->stop
1860
1861Stop the watcher.
1862
1863=back
1864
1549=head1 ENVIRONMENT 1865=head1 ENVIRONMENT
1550 1866
1551=head2 URXVT_PERL_VERBOSITY 1867=head2 URXVT_PERL_VERBOSITY
1552 1868
1553This variable controls the verbosity level of the perl extension. Higher 1869This variable controls the verbosity level of the perl extension. Higher
1557 1873
1558=item == 0 - fatal messages 1874=item == 0 - fatal messages
1559 1875
1560=item >= 3 - script loading and management 1876=item >= 3 - script loading and management
1561 1877
1562=item >=10 - all events received 1878=item >=10 - all called hooks
1879
1880=item >=11 - hook reutrn values
1563 1881
1564=back 1882=back
1565 1883
1566=head1 AUTHOR 1884=head1 AUTHOR
1567 1885

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