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Revision 1.208 by root, Tue Jun 5 22:23:07 2012 UTC vs.
Revision 1.231 by root, Sun Apr 27 20:26:28 2014 UTC

1=encoding utf8 1=encoding utf8
2 2
3=head1 NAME 3=head1 NAME
4 4
5@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter 5urxvtperl - rxvt-unicode's embedded perl interpreter
6 6
7=head1 SYNOPSIS 7=head1 SYNOPSIS
8 8
9 # create a file grab_test in $HOME: 9 # create a file grab_test in $HOME:
10 10
11 sub on_sel_grab { 11 sub on_sel_grab {
12 warn "you selected ", $_[0]->selection; 12 warn "you selected ", $_[0]->selection;
13 () 13 ()
14 } 14 }
15 15
16 # start a @@RXVT_NAME@@ using it: 16 # start a urxvt using it:
17 17
18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test 18 urxvt --perl-lib $HOME -pe grab_test
19 19
20=head1 DESCRIPTION 20=head1 DESCRIPTION
21 21
22Every time a terminal object gets created, extension scripts specified via 22Every time a terminal object gets created, extension scripts specified via
23the C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where 28Each script will only ever be loaded once, even in urxvtd, where
29scripts will be shared (but not enabled) for all terminals. 29scripts will be shared (but not enabled) for all terminals.
30 30
31You can disable the embedded perl interpreter by setting both "perl-ext" 31You can disable the embedded perl interpreter by setting both "perl-ext"
32and "perl-ext-common" resources to the empty string. 32and "perl-ext-common" resources to the empty string.
33 33
34=head1 PREPACKAGED EXTENSIONS 34=head1 PREPACKAGED EXTENSIONS
35 35
36This section describes the extensions delivered with this release. You can 36A number of extensions are delivered with this release. You can find them
37find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. 37in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
38F<< man urxvt-<EXTENSIONNAME> >>.
38 39
39You can activate them like this: 40You can activate them like this:
40 41
41 @@RXVT_NAME@@ -pe <extensionname> 42 urxvt -pe <extensionname>
42 43
43Or by adding them to the resource for extensions loaded by default: 44Or by adding them to the resource for extensions loaded by default:
44 45
45 URxvt.perl-ext-common: default,selection-autotransform 46 URxvt.perl-ext-common: default,selection-autotransform
46 47
47=over 4 48Extensions that add command line parameters or resources on their own are
48 49loaded automatically when used.
49=item selection (enabled by default)
50
51(More) intelligent selection. This extension tries to be more intelligent
52when the user extends selections (double-click and further clicks). Right
53now, it tries to select words, urls and complete shell-quoted
54arguments, which is very convenient, too, if your F<ls> supports
55C<--quoting-style=shell>.
56
57A double-click usually selects the word under the cursor, further clicks
58will enlarge the selection.
59
60The selection works by trying to match a number of regexes and displaying
61them in increasing order of length. You can add your own regexes by
62specifying resources of the form:
63
64 URxvt.selection.pattern-0: perl-regex
65 URxvt.selection.pattern-1: perl-regex
66 ...
67
68The index number (0, 1...) must not have any holes, and each regex must
69contain at least one pair of capturing parentheses, which will be used for
70the match. For example, the following adds a regex that matches everything
71between two vertical bars:
72
73 URxvt.selection.pattern-0: \\|([^|]+)\\|
74
75Another example: Programs I use often output "absolute path: " at the
76beginning of a line when they process multiple files. The following
77pattern matches the filename (note, there is a single space at the very
78end):
79
80 URxvt.selection.pattern-0: ^(/[^:]+):\
81
82You can look at the source of the selection extension to see more
83interesting uses, such as parsing a line from beginning to end.
84
85This extension also offers following bindable keyboard commands:
86
87=over 4
88
89=item rot13
90
91Rot-13 the selection when activated. Used via keyboard trigger:
92
93 URxvt.keysym.C-M-r: perl:selection:rot13
94
95=back
96
97=item option-popup (enabled by default)
98
99Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
100runtime.
101
102Other extensions can extend this popup menu by pushing a code reference
103onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
104popup is being displayed.
105
106Its sole argument is the popup menu, which can be modified. It should
107either return nothing or a string, the initial boolean value and a code
108reference. The string will be used as button text and the code reference
109will be called when the toggle changes, with the new boolean value as
110first argument.
111
112The following will add an entry C<myoption> that changes
113C<< $self->{myoption} >>:
114
115 push @{ $self->{term}{option_popup_hook} }, sub {
116 ("my option" => $myoption, sub { $self->{myoption} = $_[0] })
117 };
118
119=item selection-popup (enabled by default)
120
121Binds a popup menu to Ctrl-Button3 that lets you convert the selection
122text into various other formats/action (such as uri unescaping, perl
123evaluation, web-browser starting etc.), depending on content.
124
125Other extensions can extend this popup menu by pushing a code reference
126onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
127popup is being displayed.
128
129Its sole argument is the popup menu, which can be modified. The selection
130is in C<$_>, which can be used to decide whether to add something or not.
131It should either return nothing or a string and a code reference. The
132string will be used as button text and the code reference will be called
133when the button gets activated and should transform C<$_>.
134
135The following will add an entry C<a to b> that transforms all C<a>s in
136the selection to C<b>s, but only if the selection currently contains any
137C<a>s:
138
139 push @{ $self->{term}{selection_popup_hook} }, sub {
140 /a/ ? ("a to b" => sub { s/a/b/g }
141 : ()
142 };
143
144=item searchable-scrollback<hotkey> (enabled by default)
145
146Adds regex search functionality to the scrollback buffer, triggered
147by a hotkey (default: C<M-s>). While in search mode, normal terminal
148input/output is suspended and a regex is displayed at the bottom of the
149screen.
150
151Inputting characters appends them to the regex and continues incremental
152search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
153search upwards/downwards in the scrollback buffer, C<End> jumps to the
154bottom. C<Escape> leaves search mode and returns to the point where search
155was started, while C<Enter> or C<Return> stay at the current position and
156additionally stores the first match in the current line into the primary
157selection if the C<Shift> modifier is active.
158
159The regex defaults to "(?i)", resulting in a case-insensitive search. To
160get a case-sensitive search you can delete this prefix using C<BackSpace>
161or simply use an uppercase character which removes the "(?i)" prefix.
162
163See L<perlre> for more info about perl regular expression syntax.
164
165=item readline (enabled by default)
166
167A support package that tries to make editing with readline easier. At
168the moment, it reacts to clicking shift-left mouse button by trying to
169move the text cursor to this position. It does so by generating as many
170cursor-left or cursor-right keypresses as required (this only works
171for programs that correctly support wide characters).
172
173To avoid too many false positives, this is only done when:
174
175=over 4
176
177=item - the tty is in ICANON state.
178
179=item - the text cursor is visible.
180
181=item - the primary screen is currently being displayed.
182
183=item - the mouse is on the same (multi-row-) line as the text cursor.
184
185=back
186
187The normal selection mechanism isn't disabled, so quick successive clicks
188might interfere with selection creation in harmless ways.
189
190=item selection-autotransform
191
192This selection allows you to do automatic transforms on a selection
193whenever a selection is made.
194
195It works by specifying perl snippets (most useful is a single C<s///>
196operator) that modify C<$_> as resources:
197
198 URxvt.selection-autotransform.0: transform
199 URxvt.selection-autotransform.1: transform
200 ...
201
202For example, the following will transform selections of the form
203C<filename:number>, often seen in compiler messages, into C<vi +$filename
204$word>:
205
206 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
207
208And this example matches the same,but replaces it with vi-commands you can
209paste directly into your (vi :) editor:
210
211 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
212
213Of course, this can be modified to suit your needs and your editor :)
214
215To expand the example above to typical perl error messages ("XXX at
216FILENAME line YYY."), you need a slightly more elaborate solution:
217
218 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
219 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
220
221The first line tells the selection code to treat the unchanging part of
222every error message as a selection pattern, and the second line transforms
223the message into vi commands to load the file.
224
225=item tabbed
226
227This transforms the terminal into a tabbar with additional terminals, that
228is, it implements what is commonly referred to as "tabbed terminal". The topmost line
229displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
230button per tab.
231
232Clicking a button will activate that tab. Pressing B<Shift-Left> and
233B<Shift-Right> will switch to the tab left or right of the current one,
234while B<Shift-Down> creates a new tab.
235
236The tabbar itself can be configured similarly to a normal terminal, but
237with a resource class of C<URxvt.tabbed>. In addition, it supports the
238following four resources (shown with defaults):
239
240 URxvt.tabbed.tabbar-fg: <colour-index, default 3>
241 URxvt.tabbed.tabbar-bg: <colour-index, default 0>
242 URxvt.tabbed.tab-fg: <colour-index, default 0>
243 URxvt.tabbed.tab-bg: <colour-index, default 1>
244
245See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
246indices.
247
248=item matcher
249
250Uses per-line display filtering (C<on_line_update>) to underline text
251matching a certain pattern and make it clickable. When clicked with the
252mouse button specified in the C<matcher.button> resource (default 2, or
253middle), the program specified in the C<matcher.launcher> resource
254(default, the C<urlLauncher> resource, C<sensible-browser>) will be started
255with the matched text as first argument. The default configuration is
256suitable for matching URLs and launching a web browser, like the
257former "mark-urls" extension.
258
259The default pattern to match URLs can be overridden with the
260C<matcher.pattern.0> resource, and additional patterns can be specified
261with numbered patterns, in a manner similar to the "selection" extension.
262The launcher can also be overridden on a per-pattern basis.
263
264It is possible to activate the most recently seen match or a list of matches
265from the keyboard. Simply bind a keysym to "perl:matcher:last" or
266"perl:matcher:list" as seen in the example below.
267
268Example configuration:
269
270 URxvt.perl-ext: default,matcher
271 URxvt.urlLauncher: sensible-browser
272 URxvt.keysym.C-Delete: perl:matcher:last
273 URxvt.keysym.M-Delete: perl:matcher:list
274 URxvt.matcher.button: 1
275 URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
276 URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
277 URxvt.matcher.launcher.2: gvim +$2 $1
278
279=item xim-onthespot
280
281This (experimental) perl extension implements OnTheSpot editing. It does
282not work perfectly, and some input methods don't seem to work well with
283OnTheSpot editing in general, but it seems to work at least for SCIM and
284kinput2.
285
286You enable it by specifying this extension and a preedit style of
287C<OnTheSpot>, i.e.:
288
289 @@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
290
291=item kuake<hotkey>
292
293A very primitive quake-console-like extension. It was inspired by a
294description of how the programs C<kuake> and C<yakuake> work: Whenever the
295user presses a global accelerator key (by default C<F10>), the terminal
296will show or hide itself. Another press of the accelerator key will hide
297or show it again.
298
299Initially, the window will not be shown when using this extension.
300
301This is useful if you need a single terminal that is not using any desktop
302space most of the time but is quickly available at the press of a key.
303
304The accelerator key is grabbed regardless of any modifiers, so this
305extension will actually grab a physical key just for this function.
306
307If you want a quake-like animation, tell your window manager to do so
308(fvwm can do it).
309
310=item overlay-osc
311
312This extension implements some OSC commands to display timed popups on the
313screen - useful for status displays from within scripts. You have to read
314the sources for more info.
315
316=item block-graphics-to-ascii
317
318A not very useful example of filtering all text output to the terminal
319by replacing all line-drawing characters (U+2500 .. U+259F) by a
320similar-looking ascii character.
321
322=item digital-clock
323
324Displays a digital clock using the built-in overlay.
325
326=item remote-clipboard
327
328Somewhat of a misnomer, this extension adds two menu entries to the
329selection popup that allows one to run external commands to store the
330selection somewhere and fetch it again.
331
332We use it to implement a "distributed selection mechanism", which just
333means that one command uploads the file to a remote server, and another
334reads it.
335
336The commands can be set using the C<URxvt.remote-selection.store> and
337C<URxvt.remote-selection.fetch> resources. The first should read the
338selection to store from STDIN (always in UTF-8), the second should provide
339the selection data on STDOUT (also in UTF-8).
340
341The defaults (which are likely useless to you) use rsh and cat:
342
343 URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
344 URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
345
346=item selection-pastebin
347
348This is a little rarely useful extension that uploads the selection as
349textfile to a remote site (or does other things). (The implementation is
350not currently secure for use in a multiuser environment as it writes to
351F</tmp> directly.).
352
353It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
354i.e.
355
356 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
357
358Pressing this combination runs a command with C<%> replaced by the name of
359the textfile. This command can be set via a resource:
360
361 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
362
363And the default is likely not useful to anybody but the few people around
364here :)
365
366The name of the textfile is the hex encoded md5 sum of the selection, so
367the same content should lead to the same filename.
368
369After a successful upload the selection will be replaced by the text given
370in the C<selection-pastebin-url> resource (again, the % is the placeholder
371for the filename):
372
373 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
374
375I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
376the double C</> characters as comment start. Use C<\057\057> instead,
377which works regardless of whether xrdb is used to parse the resource file
378or not.
379
380=item macosx-clipboard and macosx-clipboard-native
381
382These two modules implement an extended clipboard for Mac OS X. They are
383used like this:
384
385 URxvt.perl-ext-common: default,macosx-clipboard
386 URxvt.keysym.M-c: perl:macosx-clipboard:copy
387 URxvt.keysym.M-v: perl:macosx-clipboard:paste
388
389The difference between them is that the native variant requires a
390perl from apple's devkit or so, and C<macosx-clipboard> requires the
391C<Mac::Pasteboard> module, works with other perls, has fewer bugs, is
392simpler etc. etc.
393
394=item example-refresh-hooks
395
396Displays a very simple digital clock in the upper right corner of the
397window. Illustrates overwriting the refresh callbacks to create your own
398overlays or changes.
399
400=item confirm-paste
401
402Displays a confirmation dialog when a paste containing at least a full
403line is detected.
404
405=item bell-command
406
407Runs the command specified by the C<URxvt.bell-command> resource when
408a bell event occurs. For example, the following pops up a notification
409bubble with the text "Beep, Beep" using notify-send:
410
411 URxvt.bell-command: notify-send "Beep, Beep"
412
413=back
414 50
415=head1 API DOCUMENTATION 51=head1 API DOCUMENTATION
416 52
417=head2 General API Considerations 53=head2 General API Considerations
418 54
467internal use. 103internal use.
468 104
469Although it isn't a C<urxvt::term> object, you can call all methods of the 105Although it isn't a C<urxvt::term> object, you can call all methods of the
470C<urxvt::term> class on this object. 106C<urxvt::term> class on this object.
471 107
472It has the following methods and data members: 108Additional methods only supported for extension objects are described in
473 109the C<urxvt::extension> section below.
474=over 4
475
476=item $urxvt_term = $self->{term}
477
478Returns the C<urxvt::term> object associated with this instance of the
479extension. This member I<must not> be changed in any way.
480
481=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
482
483Dynamically enable the given hooks (named without the C<on_> prefix) for
484this extension, replacing any previous hook. This is useful when you want
485to overwrite time-critical hooks only temporarily.
486
487=item $self->disable ($hook_name[, $hook_name..])
488
489Dynamically disable the given hooks.
490
491=back
492 110
493=head2 Hooks 111=head2 Hooks
494 112
495The following subroutines can be declared in extension files, and will be 113The following subroutines can be declared in extension files, and will be
496called whenever the relevant event happens. 114called whenever the relevant event happens.
663 281
664=item on_refresh_end $term 282=item on_refresh_end $term
665 283
666Called just after the screen gets redrawn. See C<on_refresh_begin>. 284Called just after the screen gets redrawn. See C<on_refresh_begin>.
667 285
668=item on_user_command $term, $string 286=item on_user_command $term, $string *DEPRECATED*
669 287
670Called whenever a user-configured event is being activated (e.g. via 288Called whenever a user-configured event is being activated (e.g. via
671a C<perl:string> action bound to a key, see description of the B<keysym> 289a C<perl:string> action bound to a key, see description of the B<keysym>
672resource in the @@RXVT_NAME@@(1) manpage). 290resource in the urxvt(1) manpage).
673 291
674The event is simply the action string. This interface is assumed to change 292The event is simply the action string. This interface is going away in
675slightly in the future. 293preference to the C<< ->register_keysym_action >> method.
676 294
677=item on_register_command $term, $keysym, $modifiermask, $string 295=item on_register_command $term, $keysym, $modifiermask, $string
678 296
679Called after parsing a keysym resource but before registering the 297Called after parsing a keysym resource but before registering the
680associated binding. If this hook returns TRUE the binding is not 298associated binding. If this hook returns a true value the binding
681registered. It can be used to modify a binding by calling 299is not registered. It can be used to modify a binding by calling
682C<register_command>. 300C<register_command>.
683 301
684=item on_resize_all_windows $term, $new_width, $new_height 302=item on_resize_all_windows $term, $new_width, $new_height
685 303
686Called just after the new window size has been calculated, but before 304Called just after the new window size has been calculated, but before
687windows are actually being resized or hints are being set. If this hook 305windows are actually being resized or hints are being set. If this hook
688returns TRUE, setting of the window hints is being skipped. 306returns a true value, setting of the window hints is being skipped.
689 307
690=item on_x_event $term, $event 308=item on_x_event $term, $event
691 309
692Called on every X event received on the vt window (and possibly other 310Called on every X event received on the vt window (and possibly other
693windows). Should only be used as a last resort. Most event structure 311windows). Should only be used as a last resort. Most event structure
733(real, not screen-based) row and column under the mouse cursor. 351(real, not screen-based) row and column under the mouse cursor.
734 352
735C<on_key_press> additionally receives the string rxvt-unicode would 353C<on_key_press> additionally receives the string rxvt-unicode would
736output, if any, in locale-specific encoding. 354output, if any, in locale-specific encoding.
737 355
738subwindow.
739
740=item on_client_message $term, $event 356=item on_client_message $term, $event
741 357
742=item on_wm_protocols $term, $event 358=item on_wm_protocols $term, $event
743 359
744=item on_wm_delete_window $term, $event 360=item on_wm_delete_window $term, $event
755=cut 371=cut
756 372
757package urxvt; 373package urxvt;
758 374
759use utf8; 375use utf8;
760use strict; 376use strict 'vars';
761use Carp (); 377use Carp ();
762use Scalar::Util (); 378use Scalar::Util ();
763use List::Util (); 379use List::Util ();
764 380
765our $VERSION = 1; 381our $VERSION = 1;
766our $TERM; 382our $TERM;
767our @TERM_INIT; 383our @TERM_INIT; # should go, prevents async I/O etc.
768our @TERM_EXT; 384our @TERM_EXT; # should go, prevents async I/O etc.
769our @HOOKNAME; 385our @HOOKNAME;
770our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 386our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
771our %OPTION; 387our %OPTION;
772 388
773our $LIBDIR; 389our $LIBDIR;
943 }; 559 };
944} 560}
945 561
946no warnings 'utf8'; 562no warnings 'utf8';
947 563
948sub resource { 564sub parse_resource {
949 my ($term, $name, $isarg, $flag, $value) = @_; 565 my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
566
567 $name =~ y/-/./ if $isarg;
950 568
951 $term->scan_meta; 569 $term->scan_meta;
952 570
953 warn "resourece<@_>\n";#d# 571 my $r = $term->{meta}{resource};
572 keys %$r; # reset iterator
573 while (my ($pattern, $v) = each %$r) {
574 if (
575 $pattern =~ /\.$/
576 ? $pattern eq substr $name, 0, length $pattern
577 : $pattern eq $name
578 ) {
579 $name = "$urxvt::RESCLASS.$name";
580
581 push @{ $term->{perl_ext_3} }, $v->[0];
582
583 if ($v->[1] eq "boolean") {
584 $term->put_option_db ($name, $flag ? "true" : "false");
585 return 1;
586 } else {
587 $term->put_option_db ($name, $value);
588 return 1 + 2;
589 }
590 }
591 }
954 592
955 0 593 0
956} 594}
957 595
958sub usage { 596sub usage {
960 598
961 $term->scan_meta; 599 $term->scan_meta;
962 600
963 my $r = $term->{meta}{resource}; 601 my $r = $term->{meta}{resource};
964 602
965 for my $regex (sort keys %$r) { 603 for my $pattern (sort keys %$r) {
966 my ($ext, $type, $desc) = @{ $r->{$regex} }; 604 my ($ext, $type, $desc) = @{ $r->{$pattern} };
967 605
968 $desc .= " (-pe $ext)"; 606 $desc .= " (-pe $ext)";
969 607
970 if ($usage_type == 1) { 608 if ($usage_type == 1) {
609 $pattern =~ y/./-/;
610 $pattern =~ s/-$/-.../g;
611
971 if ($type eq "boolean") { 612 if ($type eq "boolean") {
972 urxvt::log sprintf " -%-20.20s %s\n", "/+$regex", $desc; 613 urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
973 } else { 614 } else {
974 urxvt::log sprintf " -%-20.20s %s\n", "$regex $type", $desc; 615 urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
975 } 616 }
976 } else { 617 } else {
618 $pattern =~ s/\.$/.*/g;
977 urxvt::log sprintf " %-19.19s %s\n", "$regex:", $type; 619 urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
978 } 620 }
979 } 621 }
980} 622}
981 623
982my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 624my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
998 $pkg =~ s/[^[:word:]]/_/g; 640 $pkg =~ s/[^[:word:]]/_/g;
999 $pkg = "urxvt::ext::$pkg"; 641 $pkg = "urxvt::ext::$pkg";
1000 642
1001 verbose 3, "loading extension '$path' into package '$pkg'"; 643 verbose 3, "loading extension '$path' into package '$pkg'";
1002 644
645 (${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
646
1003 open my $fh, "<:raw", $path 647 open my $fh, "<:raw", $path
1004 or die "$path: $!"; 648 or die "$path: $!";
1005 649
1006 my $source = 650 my $source =
1007 "package $pkg; use strict; use utf8; no warnings 'utf8';\n" 651 "package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
1008 . "#line 1 \"$path\"\n{\n" 652 . "#line 1 \"$path\"\n{\n"
1009 . (do { local $/; <$fh> }) 653 . (do { local $/; <$fh> })
1010 . "\n};\n1"; 654 . "\n};\n1";
1011 655
1012 eval $source 656 eval $source
1021# called by the rxvt core 665# called by the rxvt core
1022sub invoke { 666sub invoke {
1023 local $TERM = shift; 667 local $TERM = shift;
1024 my $htype = shift; 668 my $htype = shift;
1025 669
1026 if ($htype == 0) { # INIT 670 if ($htype == HOOK_INIT) {
1027 my @dirs = $TERM->perl_libdirs; 671 my @dirs = $TERM->perl_libdirs;
1028 672
1029 my %ext_arg; 673 my %ext_arg;
1030 674
1031 { 675 {
1035 my @pkg = @TERM_EXT; 679 my @pkg = @TERM_EXT;
1036 @TERM_EXT = (); 680 @TERM_EXT = ();
1037 $TERM->register_package ($_) for @pkg; 681 $TERM->register_package ($_) for @pkg;
1038 } 682 }
1039 683
684 for (
685 @{ delete $TERM->{perl_ext_3} },
1040 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 686 grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
687 ) {
1041 if ($_ eq "default") { 688 if ($_ eq "default") {
1042 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline); 689 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
1043 } elsif (/^-(.*)$/) { 690 } elsif (/^-(.*)$/) {
1044 delete $ext_arg{$1}; 691 delete $ext_arg{$1};
1045 } elsif (/^([^<]+)<(.*)>$/) { 692 } elsif (/^([^<]+)<(.*)>$/) {
1067 714
1068 if (my $cb = $TERM->{_hook}[$htype]) { 715 if (my $cb = $TERM->{_hook}[$htype]) {
1069 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" 716 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
1070 if $verbosity >= 10; 717 if $verbosity >= 10;
1071 718
1072 for my $pkg (keys %$cb) { 719 for my $pkg (
720 # this hook is only sent to the extension with the name
721 # matching the first arg
722 $htype == HOOK_KEYBOARD_DISPATCH
723 ? exists $cb->{"urxvt::ext::$_[0]"} ? "urxvt::ext::" . shift : return undef
724 : keys %$cb
725 ) {
1073 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) }; 726 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
1074 $retval ||= $retval_; 727 $retval ||= $retval_;
1075 728
1076 if ($@) { 729 if ($@) {
1077 $TERM->ungrab; # better to lose the grab than the session 730 $TERM->ungrab; # better to lose the grab than the session
1078 warn $@; 731 warn $@;
1081 734
1082 verbose 11, "$HOOKNAME[$htype] returning <$retval>" 735 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
1083 if $verbosity >= 11; 736 if $verbosity >= 11;
1084 } 737 }
1085 738
1086 if ($htype == 1) { # DESTROY 739 if ($htype == HOOK_DESTROY) {
1087 # clear package objects 740 # clear package objects
1088 %$_ = () for values %{ $TERM->{_pkg} }; 741 %$_ = () for values %{ $TERM->{_pkg} };
1089 742
1090 # clear package 743 # clear package
1091 %$TERM = (); 744 %$TERM = ();
1121 } 774 }
1122 } 775 }
1123 ($mask, @color{qw(fg bg)}, \@failed) 776 ($mask, @color{qw(fg bg)}, \@failed)
1124} 777}
1125 778
1126# urxvt::term::extension
1127
1128package urxvt::term::extension; 779package urxvt::term::extension;
1129 780
1130sub enable { 781=head2 The C<urxvt::term::extension> class
1131 my ($self, %hook) = @_;
1132 my $pkg = $self->{_pkg};
1133 782
1134 while (my ($name, $cb) = each %hook) { 783Each extension attached to a terminal object is represented by
1135 my $htype = $HOOKTYPE{uc $name}; 784a C<urxvt::term::extension> object.
1136 defined $htype
1137 or Carp::croak "unsupported hook type '$name'";
1138 785
1139 $self->set_should_invoke ($htype, +1) 786You can use these objects, which are passed to all callbacks to store any
1140 unless exists $self->{term}{_hook}[$htype]{$pkg}; 787state related to the terminal and extension instance.
1141 788
1142 $self->{term}{_hook}[$htype]{$pkg} = $cb; 789The methods (And data members) documented below can be called on extension
1143 } 790objects, in addition to call methods documented for the <urxvt::term>
1144} 791class.
1145 792
1146sub disable { 793=over 4
1147 my ($self, @hook) = @_;
1148 my $pkg = $self->{_pkg};
1149 794
1150 for my $name (@hook) { 795=item $urxvt_term = $self->{term}
1151 my $htype = $HOOKTYPE{uc $name};
1152 defined $htype
1153 or Carp::croak "unsupported hook type '$name'";
1154 796
1155 $self->set_should_invoke ($htype, -1) 797Returns the C<urxvt::term> object associated with this instance of the
1156 if delete $self->{term}{_hook}[$htype]{$pkg}; 798extension. This member I<must not> be changed in any way.
1157 } 799
1158} 800=cut
1159 801
1160our $AUTOLOAD; 802our $AUTOLOAD;
1161 803
1162sub AUTOLOAD { 804sub AUTOLOAD {
1163 $AUTOLOAD =~ /:([^:]+)$/ 805 $AUTOLOAD =~ /:([^:]+)$/
1176 818
1177sub DESTROY { 819sub DESTROY {
1178 # nop 820 # nop
1179} 821}
1180 822
1181# urxvt::destroy_hook 823# urxvt::destroy_hook (basically a cheap Guard:: implementation)
1182 824
1183sub urxvt::destroy_hook::DESTROY { 825sub urxvt::destroy_hook::DESTROY {
1184 ${$_[0]}->(); 826 ${$_[0]}->();
1185} 827}
1186 828
1187sub urxvt::destroy_hook(&) { 829sub urxvt::destroy_hook(&) {
1188 bless \shift, urxvt::destroy_hook:: 830 bless \shift, urxvt::destroy_hook::
1189} 831}
832
833=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
834
835Dynamically enable the given hooks (named without the C<on_> prefix) for
836this extension, replacing any hook previously installed via C<enable> in
837this extension.
838
839This is useful when you want to overwrite time-critical hooks only
840temporarily.
841
842To install additional callbacks for the same hook, you can use the C<on>
843method of the C<urxvt::term> class.
844
845=item $self->disable ($hook_name[, $hook_name..])
846
847Dynamically disable the given hooks.
848
849=cut
850
851sub enable {
852 my ($self, %hook) = @_;
853 my $pkg = $self->{_pkg};
854
855 while (my ($name, $cb) = each %hook) {
856 my $htype = $HOOKTYPE{uc $name};
857 defined $htype
858 or Carp::croak "unsupported hook type '$name'";
859
860 $self->set_should_invoke ($htype, +1)
861 unless exists $self->{term}{_hook}[$htype]{$pkg};
862
863 $self->{term}{_hook}[$htype]{$pkg} = $cb;
864 }
865}
866
867sub disable {
868 my ($self, @hook) = @_;
869 my $pkg = $self->{_pkg};
870
871 for my $name (@hook) {
872 my $htype = $HOOKTYPE{uc $name};
873 defined $htype
874 or Carp::croak "unsupported hook type '$name'";
875
876 $self->set_should_invoke ($htype, -1)
877 if delete $self->{term}{_hook}[$htype]{$pkg};
878 }
879}
880
881=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
882
883Similar to the C<enable> enable, but installs additional callbacks for
884the given hook(s) (that is, it doesn't replace existing callbacks), and
885returns a guard object. When the guard object is destroyed the callbacks
886are disabled again.
887
888=cut
889
890sub urxvt::extension::on_disable::DESTROY {
891 my $disable = shift;
892
893 my $term = delete $disable->{""};
894
895 while (my ($htype, $id) = each %$disable) {
896 delete $term->{_hook}[$htype]{$id};
897 $term->set_should_invoke ($htype, -1);
898 }
899}
900
901sub on {
902 my ($self, %hook) = @_;
903
904 my $term = $self->{term};
905
906 my %disable = ( "" => $term );
907
908 while (my ($name, $cb) = each %hook) {
909 my $htype = $HOOKTYPE{uc $name};
910 defined $htype
911 or Carp::croak "unsupported hook type '$name'";
912
913 $term->set_should_invoke ($htype, +1);
914 $term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
915 = sub { shift; $cb->($self, @_) }; # very ugly indeed
916 }
917
918 bless \%disable, "urxvt::extension::on_disable"
919}
920
921=item $self->x_resource ($pattern)
922
923=item $self->x_resource_boolean ($pattern)
924
925These methods support an additional C<%> prefix when called on an
926extension object - see the description of these methods in the
927C<urxvt::term> class for details.
928
929=cut
930
931sub x_resource {
932 my ($self, $name) = @_;
933 $name =~ s/^%(\.|$)/$_[0]{_name}$1/;
934 $self->{term}->x_resource ($name)
935}
936
937sub x_resource_boolean {
938 my ($self, $name) = @_;
939 $name =~ s/^%(\.|$)/$_[0]{_name}$1/;
940 $self->{term}->x_resource_boolean ($name)
941}
942
943=back
944
945=cut
1190 946
1191package urxvt::anyevent; 947package urxvt::anyevent;
1192 948
1193=head2 The C<urxvt::anyevent> Class 949=head2 The C<urxvt::anyevent> Class
1194 950
1195The sole purpose of this class is to deliver an interface to the 951The sole purpose of this class is to deliver an interface to the
1196C<AnyEvent> module - any module using it will work inside urxvt without 952C<AnyEvent> module - any module using it will work inside urxvt without
1197further programming. The only exception is that you cannot wait on 953further programming. The only exception is that you cannot wait on
1198condition variables, but non-blocking condvar use is ok. What this means 954condition variables, but non-blocking condvar use is ok.
1199is that you cannot use blocking APIs, but the non-blocking variant should 955
1200work. 956In practical terms this means is that you cannot use blocking APIs, but
957the non-blocking variant should work.
1201 958
1202=cut 959=cut
1203 960
1204our $VERSION = '5.23'; 961our $VERSION = '5.23';
1205 962
1289 urxvt::verbose 6, "register package $pkg to $self"; 1046 urxvt::verbose 6, "register package $pkg to $self";
1290 1047
1291 @{"$pkg\::ISA"} = urxvt::term::extension::; 1048 @{"$pkg\::ISA"} = urxvt::term::extension::;
1292 1049
1293 my $proxy = bless { 1050 my $proxy = bless {
1294 _pkg => $pkg, 1051 _pkg => $pkg,
1052 _name => ${"$pkg\::_NAME"}, # hackish
1295 argv => $argv, 1053 argv => $argv,
1296 }, $pkg; 1054 }, $pkg;
1297 Scalar::Util::weaken ($proxy->{term} = $self); 1055 Scalar::Util::weaken ($proxy->{term} = $self);
1298 1056
1299 $self->{_pkg}{$pkg} = $proxy; 1057 $self->{_pkg}{$pkg} = $proxy;
1300 1058
1326 1084
1327 for my $dir (reverse @libdirs) { 1085 for my $dir (reverse @libdirs) {
1328 opendir my $fh, $dir 1086 opendir my $fh, $dir
1329 or next; 1087 or next;
1330 for my $ext (readdir $fh) { 1088 for my $ext (readdir $fh) {
1331 $ext ne "." 1089 $ext !~ /^\./
1332 and $ext ne ".."
1333 and open my $fh, "<", "$dir/$ext" 1090 and open my $fh, "<", "$dir/$ext"
1334 or next; 1091 or next;
1335 1092
1336 while (<$fh>) { 1093 while (<$fh>) {
1337 if (/^#:META:RESOURCE:(.*)/) { 1094 if (/^#:META:X_RESOURCE:(.*)/) {
1338 my ($regex, $type, $desc) = split /:/, $1; 1095 my ($pattern, $type, $desc) = split /:/, $1;
1339 $regex =~ s/\$\$/$ext/g; # $$ in regex == extension name 1096 $pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
1097 if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
1098 warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
1099 } else {
1340 $meta{resource}{$regex} = [$ext, $type, $desc]; 1100 $meta{resource}{$pattern} = [$ext, $type, $desc];
1101 }
1341 } elsif (/^\s*(?:#|$)/) { 1102 } elsif (/^\s*(?:#|$)/) {
1342 # skip other comments and empty lines 1103 # skip other comments and empty lines
1343 } else { 1104 } else {
1344 last; # stop parsing on first non-empty non-comment line 1105 last; # stop parsing on first non-empty non-comment line
1345 } 1106 }
1372} 1133}
1373 1134
1374=item $term->destroy 1135=item $term->destroy
1375 1136
1376Destroy the terminal object (close the window, free resources 1137Destroy the terminal object (close the window, free resources
1377etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1138etc.). Please note that urxvt will not exit as long as any event
1378watchers (timers, io watchers) are still active. 1139watchers (timers, io watchers) are still active.
1379 1140
1380=item $term->exec_async ($cmd[, @args]) 1141=item $term->exec_async ($cmd[, @args])
1381 1142
1382Works like the combination of the C<fork>/C<exec> builtins, which executes 1143Works like the combination of the C<fork>/C<exec> builtins, which executes
1438 1199
1439Here is a likely non-exhaustive list of resource names, not all of which 1200Here is a likely non-exhaustive list of resource names, not all of which
1440are supported in every build, please see the source file F</src/rsinc.h> 1201are supported in every build, please see the source file F</src/rsinc.h>
1441to see the actual list: 1202to see the actual list:
1442 1203
1443 answerbackstring backgroundPixmap backspace_key blendtype blurradius 1204 answerbackstring backgroundPixmap backspace_key blurradius
1444 boldFont boldItalicFont borderLess buffered chdir color cursorBlink 1205 boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1445 cursorUnderline cutchars delete_key depth display_name embed ext_bwidth 1206 cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1446 fade font geometry hold iconName iconfile imFont imLocale inputMethod 1207 fade font geometry hold iconName iconfile imFont imLocale inputMethod
1447 insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont 1208 insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1448 jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier 1209 jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1468Returns the X-Resource for the given pattern, excluding the program or 1229Returns the X-Resource for the given pattern, excluding the program or
1469class name, i.e. C<< $term->x_resource ("boldFont") >> should return the 1230class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1470same value as used by this instance of rxvt-unicode. Returns C<undef> if no 1231same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1471resource with that pattern exists. 1232resource with that pattern exists.
1472 1233
1234Extensions that define extra resource or command line arguments also need
1235to call this method to access their values.
1236
1237If the method is called on an extension object (basically, from an
1238extension), then the special prefix C<%.> will be replaced by the name of
1239the extension and a dot, and the lone string C<%> will be replaced by the
1240extension name itself. This makes it possible to code extensions so you
1241can rename them and get a new set of commandline switches and resources
1242without having to change the actual code.
1243
1473This method should only be called during the C<on_start> hook, as there is 1244This method should only be called during the C<on_start> hook, as there is
1474only one resource database per display, and later invocations might return 1245only one resource database per display, and later invocations might return
1475the wrong resources. 1246the wrong resources.
1476 1247
1248=item $value = $term->x_resource_boolean ($pattern)
1249
1250Like C<x_resource>, above, but interprets the string value as a boolean
1251and returns C<1> for true values, C<0> for false values and C<undef> if
1252the resource or option isn't specified.
1253
1254You should always use this method to parse boolean resources.
1255
1256=cut
1257
1258sub x_resource_boolean {
1259 my $res = &x_resource;
1260
1261 $res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
1262}
1263
1477=item $success = $term->parse_keysym ($key, $octets) 1264=item $success = $term->parse_keysym ($key, $octets)
1478 1265
1479Adds a key binding exactly as specified via a resource. See the 1266Adds a key binding exactly as specified via a resource. See the
1480C<keysym> resource in the @@RXVT_NAME@@(1) manpage. 1267C<keysym> resource in the urxvt(1) manpage.
1481 1268
1482=item $term->register_command ($keysym, $modifiermask, $string) 1269=item $term->register_command ($keysym, $modifiermask, $string)
1483 1270
1484Adds a key binding. This is a lower level api compared to 1271Adds a key binding. This is a lower level api compared to
1485C<parse_keysym>, as it expects a parsed key description, and can be 1272C<parse_keysym>, as it expects a parsed key description, and can be
1915} 1702}
1916 1703
1917sub urxvt::line::t { 1704sub urxvt::line::t {
1918 my ($self) = @_; 1705 my ($self) = @_;
1919 1706
1920 if (@_ > 1) 1707 if (@_ > 1) {
1921 {
1922 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) 1708 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1923 for $self->{beg} .. $self->{end}; 1709 for $self->{beg} .. $self->{end};
1924 } 1710 }
1925 1711
1926 defined wantarray && 1712 defined wantarray &&
1927 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), 1713 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1928 0, $self->{len} 1714 0, $self->{len}
1929} 1715}
1930 1716
1931sub urxvt::line::r { 1717sub urxvt::line::r {
1932 my ($self) = @_; 1718 my ($self) = @_;
1933 1719
1934 if (@_ > 1) 1720 if (@_ > 1) {
1935 {
1936 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) 1721 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1937 for $self->{beg} .. $self->{end}; 1722 for $self->{beg} .. $self->{end};
1938 } 1723 }
1939 1724
1940 if (defined wantarray) { 1725 if (defined wantarray) {
1941 my $rend = [ 1726 my $rend = [
1942 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} 1727 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1943 ]; 1728 ];

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