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Revision 1.107 by root, Wed Jan 18 21:30:50 2006 UTC vs.
Revision 1.135 by root, Sun Feb 12 05:31:53 2006 UTC

34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. 34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
35 35
36You can activate them like this: 36You can activate them like this:
37 37
38 @@RXVT_NAME@@ -pe <extensionname> 38 @@RXVT_NAME@@ -pe <extensionname>
39
40Or by adding them to the resource for extensions loaded by default:
41
42 URxvt.perl-ext-common: default,automove-background,selection-autotransform
39 43
40=over 4 44=over 4
41 45
42=item selection (enabled by default) 46=item selection (enabled by default)
43 47
63the match. For example, the followign adds a regex that matches everything 67the match. For example, the followign adds a regex that matches everything
64between two vertical bars: 68between two vertical bars:
65 69
66 URxvt.selection.pattern-0: \\|([^|]+)\\| 70 URxvt.selection.pattern-0: \\|([^|]+)\\|
67 71
72Another example: Programs I use often output "absolute path: " at the
73beginning of a line when they process multiple files. The following
74pattern matches the filename (note, there is a single space at the very
75end):
76
77 URxvt.selection.pattern-0: ^(/[^:]+):\
78
68You can look at the source of the selection extension to see more 79You can look at the source of the selection extension to see more
69interesting uses, such as parsing a line from beginning to end. 80interesting uses, such as parsing a line from beginning to end.
70 81
71This extension also offers following bindable keyboard commands: 82This extension also offers following bindable keyboard commands:
72 83
83=item option-popup (enabled by default) 94=item option-popup (enabled by default)
84 95
85Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at 96Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
86runtime. 97runtime.
87 98
99Other extensions can extend this popup menu by pushing a code reference
100onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
101popup is being displayed.
102
103It's sole argument is the popup menu, which can be modified. It should
104either return nothing or a string, the initial boolean value and a code
105reference. The string will be used as button text and the code reference
106will be called when the toggle changes, with the new boolean value as
107first argument.
108
109The following will add an entry C<myoption> that changes
110C<$self->{myoption}>:
111
112 push @{ $self->{term}{option_popup_hook} }, sub {
113 ("my option" => $myoption, sub { $self->{myoption} = $_[0] })
114 };
115
88=item selection-popup (enabled by default) 116=item selection-popup (enabled by default)
89 117
90Binds a popup menu to Ctrl-Button3 that lets you convert the selection 118Binds a popup menu to Ctrl-Button3 that lets you convert the selection
91text into various other formats/action (such as uri unescaping, perl 119text into various other formats/action (such as uri unescaping, perl
92evalution, web-browser starting etc.), depending on content. 120evaluation, web-browser starting etc.), depending on content.
93 121
94Other extensions can extend this popup menu by pushing a code reference onto 122Other extensions can extend this popup menu by pushing a code reference
95C<@urxvt::ext::selection_popup::hook>, that is called whenever the popup is displayed. 123onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
124popup is being displayed.
96 125
97It's sole argument is the popup menu, which can be modified. The selection 126It's sole argument is the popup menu, which can be modified. The selection
98is in C<$_>, which can be used to decide wether to add something or not. 127is in C<$_>, which can be used to decide wether to add something or not.
99It should either return nothing or a string and a code reference. The 128It should either return nothing or a string and a code reference. The
100string will be used as button text and the code reference will be called 129string will be used as button text and the code reference will be called
102 131
103The following will add an entry C<a to b> that transforms all C<a>s in 132The following will add an entry C<a to b> that transforms all C<a>s in
104the selection to C<b>s, but only if the selection currently contains any 133the selection to C<b>s, but only if the selection currently contains any
105C<a>s: 134C<a>s:
106 135
107 push urxvt::ext::selection_popup::hook, sub { 136 push @{ $self->{term}{selection_popup_hook} }, sub {
108 /a/ ? ("a to be" => sub { s/a/b/g } 137 /a/ ? ("a to be" => sub { s/a/b/g }
109 : () 138 : ()
110 }; 139 };
111 140
112=item searchable-scrollback<hotkey> (enabled by default) 141=item searchable-scrollback<hotkey> (enabled by default)
122bottom. C<Escape> leaves search mode and returns to the point where search 151bottom. C<Escape> leaves search mode and returns to the point where search
123was started, while C<Enter> or C<Return> stay at the current position and 152was started, while C<Enter> or C<Return> stay at the current position and
124additionally stores the first match in the current line into the primary 153additionally stores the first match in the current line into the primary
125selection. 154selection.
126 155
156=item readline (enabled by default)
157
158A support package that tries to make editing with readline easier. At
159the moment, it reacts to clicking shift-left mouse button by trying to
160move the text cursor to this position. It does so by generating as many
161cursor-left or cursor-right keypresses as required (the this only works
162for programs that correctly support wide characters).
163
164To avoid too many false positives, this is only done when:
165
166=over 4
167
168=item - the tty is in ICANON state.
169
170=item - the text cursor is visible.
171
172=item - the primary screen is currently being displayed.
173
174=item - the mouse is on the same (multi-row-) line as the text cursor.
175
176=back
177
178The normal selection mechanism isn't disabled, so quick successive clicks
179might interfere with selection creation in harmless ways.
180
127=item selection-autotransform 181=item selection-autotransform
128 182
129This selection allows you to do automatic transforms on a selection 183This selection allows you to do automatic transforms on a selection
130whenever a selection is made. 184whenever a selection is made.
131 185
143 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/ 197 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
144 198
145And this example matches the same,but replaces it with vi-commands you can 199And this example matches the same,but replaces it with vi-commands you can
146paste directly into your (vi :) editor: 200paste directly into your (vi :) editor:
147 201
148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/ 202 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
149 203
150Of course, this can be modified to suit your needs and your editor :) 204Of course, this can be modified to suit your needs and your editor :)
151 205
152To expand the example above to typical perl error messages ("XXX at 206To expand the example above to typical perl error messages ("XXX at
153FILENAME line YYY."), you need a slightly more elaborate solution: 207FILENAME line YYY."), you need a slightly more elaborate solution:
154 208
155 URxvt.selection.pattern-0: ( at .*? line \\d+\\.) 209 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
156 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/ 210 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
157 211
158The first line tells the selection code to treat the unchanging part of 212The first line tells the selection code to treat the unchanging part of
159every error message as a selection pattern, and the second line transforms 213every error message as a selection pattern, and the second line transforms
160the message into vi commands to load the file. 214the message into vi commands to load the file.
215
216=item tabbed
217
218This transforms the terminal into a tabbar with additional terminals, that
219is, it implements what is commonly refered to as "tabbed terminal". The topmost line
220displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
221button per tab.
222
223Clicking a button will activate that tab. Pressing B<Shift-Left> and
224B<Shift-Right> will switch to the tab left or right of the current one,
225while B<Shift-Down> creates a new tab.
226
227The tabbar itself can be configured similarly to a normal terminal, but
228with a resource class of C<URxvt.tabbed>. In addition, it supports the
229following four resources (shown with defaults):
230
231 URxvt.tabbed.tabbar-fg: <colour-index, default 3>
232 URxvt.tabbed.tabbar-bg: <colour-index, default 0>
233 URxvt.tabbed.tab-fg: <colour-index, default 0>
234 URxvt.tabbed.tab-bg: <colour-index, default 1>
235
236See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
237indices.
161 238
162=item mark-urls 239=item mark-urls
163 240
164Uses per-line display filtering (C<on_line_update>) to underline urls and 241Uses per-line display filtering (C<on_line_update>) to underline urls and
165make them clickable. When middle-clicked, the program specified in the 242make them clickable. When middle-clicked, the program specified in the
166resource C<urlLauncher> (default C<x-www-browser>) will be started with 243resource C<urlLauncher> (default C<x-www-browser>) will be started with
167the URL as first argument. 244the URL as first argument.
168 245
246=item xim-onthespot
247
248This (experimental) perl extension implements OnTheSpot editing. It does
249not work perfectly, and some input methods don't seem to work well with
250OnTheSpot editing in general, but it seems to work at leats for SCIM and
251kinput2.
252
253You enable it by specifying this extension and a preedit style of
254C<OnTheSpot>, i.e.:
255
256 @@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
257
169=item automove-background 258=item automove-background
170 259
171This is basically a one-line extension that dynamically changes the background pixmap offset 260This is basically a one-line extension that dynamically changes the background pixmap offset
172to the window position, in effect creating the same effect as pseudo transparency with 261to the window position, in effect creating the same effect as pseudo transparency with
173a custom pixmap. No scaling is supported in this mode. Exmaple: 262a custom pixmap. No scaling is supported in this mode. Exmaple:
182 271
183=item digital-clock 272=item digital-clock
184 273
185Displays a digital clock using the built-in overlay. 274Displays a digital clock using the built-in overlay.
186 275
187=item example-refresh-hooks 276=item remote-clipboard
188 277
189Displays a very simple digital clock in the upper right corner of the 278Somewhat of a misnomer, this extension adds two menu entries to the
190window. Illustrates overwriting the refresh callbacks to create your own 279selection popup that allows one ti run external commands to store the
191overlays or changes. 280selection somewhere and fetch it again.
281
282We use it to implement a "distributed selection mechanism", which just
283means that one command uploads the file to a remote server, and another
284reads it.
285
286The commands can be set using the C<URxvt.remote-selection.store> and
287C<URxvt.remote-selection.fetch> resources. The first should read the
288selection to store from STDIN (always in UTF-8), the second should provide
289the selection data on STDOUT (also in UTF-8).
290
291The defaults (which are likely useless to you) use rsh and cat:
292
293 URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
294 URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
192 295
193=item selection-pastebin 296=item selection-pastebin
194 297
195This is a little rarely useful extension that Uploads the selection as 298This is a little rarely useful extension that Uploads the selection as
196textfile to a remote site (or does other things). (The implementation is 299textfile to a remote site (or does other things). (The implementation is
216After a successful upload the selection will be replaced by the text given 319After a successful upload the selection will be replaced by the text given
217in the C<selection-pastebin-url> resource (again, the % is the placeholder 320in the C<selection-pastebin-url> resource (again, the % is the placeholder
218for the filename): 321for the filename):
219 322
220 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/% 323 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
324
325=item example-refresh-hooks
326
327Displays a very simple digital clock in the upper right corner of the
328window. Illustrates overwriting the refresh callbacks to create your own
329overlays or changes.
221 330
222=back 331=back
223 332
224=head1 API DOCUMENTATION 333=head1 API DOCUMENTATION
225 334
298called whenever the relevant event happens. 407called whenever the relevant event happens.
299 408
300The first argument passed to them is an extension oject as described in 409The first argument passed to them is an extension oject as described in
301the in the C<Extension Objects> section. 410the in the C<Extension Objects> section.
302 411
303B<All> of these hooks must return a boolean value. If it is true, then the 412B<All> of these hooks must return a boolean value. If any of the called
304event counts as being I<consumed>, and the invocation of other hooks is 413hooks returns true, then the event counts as being I<consumed>, and the
305skipped, and the relevant action might not be carried out by the C++ code. 414relevant action might not be carried out by the C++ code.
306 415
307I<< When in doubt, return a false value (preferably C<()>). >> 416I<< When in doubt, return a false value (preferably C<()>). >>
308 417
309=over 4 418=over 4
310 419
311=item on_init $term 420=item on_init $term
312 421
313Called after a new terminal object has been initialized, but before 422Called after a new terminal object has been initialized, but before
314windows are created or the command gets run. Most methods are unsafe to 423windows are created or the command gets run. Most methods are unsafe to
315call or deliver senseless data, as terminal size and other characteristics 424call or deliver senseless data, as terminal size and other characteristics
316have not yet been determined. You can safely query and change resources, 425have not yet been determined. You can safely query and change resources
317though. 426and options, though. For many purposes the C<on_start> hook is a better
427place.
428
429=item on_start $term
430
431Called at the very end of initialisation of a new terminal, just before
432trying to map (display) the toplevel and returning to the mainloop.
433
434=item on_destroy $term
435
436Called whenever something tries to destroy terminal, when the terminal is
437still fully functional (not for long, though).
318 438
319=item on_reset $term 439=item on_reset $term
320 440
321Called after the screen is "reset" for any reason, such as resizing or 441Called after the screen is "reset" for any reason, such as resizing or
322control sequences. Here is where you can react on changes to size-related 442control sequences. Here is where you can react on changes to size-related
323variables. 443variables.
324 444
325=item on_start $term 445=item on_child_start $term, $pid
326 446
327Called at the very end of initialisation of a new terminal, just before 447Called just after the child process has been C<fork>ed.
328returning to the mainloop. 448
449=item on_child_exit $term, $status
450
451Called just after the child process has exited. C<$status> is the status
452from C<waitpid>.
329 453
330=item on_sel_make $term, $eventtime 454=item on_sel_make $term, $eventtime
331 455
332Called whenever a selection has been made by the user, but before the 456Called whenever a selection has been made by the user, but before the
333selection text is copied, so changes to the beginning, end or type of the 457selection text is copied, so changes to the beginning, end or type of the
420 544
421=item on_refresh_end $term 545=item on_refresh_end $term
422 546
423Called just after the screen gets redrawn. See C<on_refresh_begin>. 547Called just after the screen gets redrawn. See C<on_refresh_begin>.
424 548
425=item on_keyboard_command $term, $string 549=item on_user_command $term, $string
426 550
427Called whenever the user presses a key combination that has a 551Called whenever the a user-configured event is being activated (e.g. via
428C<perl:string> action bound to it (see description of the B<keysym> 552a C<perl:string> action bound to a key, see description of the B<keysym>
429resource in the @@RXVT_NAME@@(1) manpage). 553resource in the @@RXVT_NAME@@(1) manpage).
554
555The event is simply the action string. This interface is assumed to change
556slightly in the future.
557
558=item on_resize_all_windows $tern, $new_width, $new_height
559
560Called just after the new window size has been calculcated, but before
561windows are actually being resized or hints are being set. If this hook
562returns TRUE, setting of the window hints is being skipped.
430 563
431=item on_x_event $term, $event 564=item on_x_event $term, $event
432 565
433Called on every X event received on the vt window (and possibly other 566Called on every X event received on the vt window (and possibly other
434windows). Should only be used as a last resort. Most event structure 567windows). Should only be used as a last resort. Most event structure
444Called wheneever the window loses keyboard focus, before rxvt-unicode does 577Called wheneever the window loses keyboard focus, before rxvt-unicode does
445focus out processing. 578focus out processing.
446 579
447=item on_configure_notify $term, $event 580=item on_configure_notify $term, $event
448 581
582=item on_property_notify $term, $event
583
449=item on_key_press $term, $event, $keysym, $octets 584=item on_key_press $term, $event, $keysym, $octets
450 585
451=item on_key_release $term, $event, $keysym 586=item on_key_release $term, $event, $keysym
452 587
453=item on_button_press $term, $event 588=item on_button_press $term, $event
462 597
463Called whenever the corresponding X event is received for the terminal If 598Called whenever the corresponding X event is received for the terminal If
464the hook returns true, then the even will be ignored by rxvt-unicode. 599the hook returns true, then the even will be ignored by rxvt-unicode.
465 600
466The event is a hash with most values as named by Xlib (see the XEvent 601The event is a hash with most values as named by Xlib (see the XEvent
467manpage), with the additional members C<row> and C<col>, which are the row 602manpage), with the additional members C<row> and C<col>, which are the
468and column under the mouse cursor. 603(real, not screen-based) row and column under the mouse cursor.
469 604
470C<on_key_press> additionally receives the string rxvt-unicode would 605C<on_key_press> additionally receives the string rxvt-unicode would
471output, if any, in locale-specific encoding. 606output, if any, in locale-specific encoding.
472 607
473subwindow. 608subwindow.
609
610=item on_client_message $term, $event
611
612=item on_wm_protocols $term, $event
613
614=item on_wm_delete_window $term, $event
615
616Called when various types of ClientMessage events are received (all with
617format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
474 618
475=back 619=back
476 620
477=cut 621=cut
478 622
484use Scalar::Util (); 628use Scalar::Util ();
485use List::Util (); 629use List::Util ();
486 630
487our $VERSION = 1; 631our $VERSION = 1;
488our $TERM; 632our $TERM;
633our @TERM_INIT;
634our @TERM_EXT;
489our @HOOKNAME; 635our @HOOKNAME;
490our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 636our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
491our %OPTION; 637our %OPTION;
492 638
493our $LIBDIR; 639our $LIBDIR;
494our $RESNAME; 640our $RESNAME;
495our $RESCLASS; 641our $RESCLASS;
496our $RXVTNAME; 642our $RXVTNAME;
497 643
644our $NOCHAR = chr 0xffff;
645
498=head2 Variables in the C<urxvt> Package 646=head2 Variables in the C<urxvt> Package
499 647
500=over 4 648=over 4
501 649
502=item $urxvt::LIBDIR 650=item $urxvt::LIBDIR
514 662
515=item $urxvt::TERM 663=item $urxvt::TERM
516 664
517The current terminal. This variable stores the current C<urxvt::term> 665The current terminal. This variable stores the current C<urxvt::term>
518object, whenever a callback/hook is executing. 666object, whenever a callback/hook is executing.
667
668=item @urxvt::TERM_INIT
669
670All coderefs in this array will be called as methods of the next newly
671created C<urxvt::term> object (during the C<on_init> phase). The array
672gets cleared before the codereferences that were in it are being executed,
673so coderefs can push themselves onto it again if they so desire.
674
675This complements to the perl-eval commandline option, but gets executed
676first.
677
678=item @urxvt::TERM_EXT
679
680Works similar to C<@TERM_INIT>, but contains perl package/class names, which
681get registered as normal extensions after calling the hooks in C<@TERM_INIT>
682but before other extensions. Gets cleared just like C<@TERM_INIT>.
519 683
520=back 684=back
521 685
522=head2 Functions in the C<urxvt> Package 686=head2 Functions in the C<urxvt> Package
523 687
537 701
538Using this function has the advantage that its output ends up in the 702Using this function has the advantage that its output ends up in the
539correct place, e.g. on stderr of the connecting urxvtc client. 703correct place, e.g. on stderr of the connecting urxvtc client.
540 704
541Messages have a size limit of 1023 bytes currently. 705Messages have a size limit of 1023 bytes currently.
706
707=item @terms = urxvt::termlist
708
709Returns all urxvt::term objects that exist in this process, regardless of
710wether they are started, being destroyed etc., so be careful. Only term
711objects that have perl extensions attached will be returned (because there
712is no urxvt::term objet associated with others).
542 713
543=item $time = urxvt::NOW 714=item $time = urxvt::NOW
544 715
545Returns the "current time" (as per the event loop). 716Returns the "current time" (as per the event loop).
546 717
604Return the foreground/background colour index, respectively. 775Return the foreground/background colour index, respectively.
605 776
606=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour 777=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
607 778
608=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour 779=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
780
781=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
609 782
610Replace the foreground/background colour in the rendition mask with the 783Replace the foreground/background colour in the rendition mask with the
611specified one. 784specified one.
612 785
613=item $value = urxvt::GET_CUSTOM $rend 786=item $value = urxvt::GET_CUSTOM $rend
632 unless $msg =~ /\n$/; 805 unless $msg =~ /\n$/;
633 urxvt::warn ($msg); 806 urxvt::warn ($msg);
634 }; 807 };
635} 808}
636 809
810no warnings 'utf8';
811
637my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 812my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
638 813
639sub verbose { 814sub verbose {
640 my ($level, $msg) = @_; 815 my ($level, $msg) = @_;
641 warn "$msg\n" if $level <= $verbosity; 816 warn "$msg\n" if $level <= $verbosity;
644my %extension_pkg; 819my %extension_pkg;
645 820
646# load a single script into its own package, once only 821# load a single script into its own package, once only
647sub extension_package($) { 822sub extension_package($) {
648 my ($path) = @_; 823 my ($path) = @_;
649
650 no strict 'refs';
651 824
652 $extension_pkg{$path} ||= do { 825 $extension_pkg{$path} ||= do {
653 $path =~ /([^\/\\]+)$/; 826 $path =~ /([^\/\\]+)$/;
654 my $pkg = $1; 827 my $pkg = $1;
655 $pkg =~ s/[^[:word:]]/_/g; 828 $pkg =~ s/[^[:word:]]/_/g;
658 verbose 3, "loading extension '$path' into package '$pkg'"; 831 verbose 3, "loading extension '$path' into package '$pkg'";
659 832
660 open my $fh, "<:raw", $path 833 open my $fh, "<:raw", $path
661 or die "$path: $!"; 834 or die "$path: $!";
662 835
663 @{"$pkg\::ISA"} = urxvt::term::extension::;
664
665 my $source = 836 my $source =
666 "package $pkg; use strict; use utf8;\n" 837 "package $pkg; use strict; use utf8; no warnings 'utf8';\n"
667 . "#line 1 \"$path\"\n{\n" 838 . "#line 1 \"$path\"\n{\n"
668 . (do { local $/; <$fh> }) 839 . (do { local $/; <$fh> })
669 . "\n};\n1"; 840 . "\n};\n1";
670 841
671 eval $source 842 eval $source
685 if ($htype == 0) { # INIT 856 if ($htype == 0) { # INIT
686 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 857 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
687 858
688 my %ext_arg; 859 my %ext_arg;
689 860
861 {
862 my @init = @TERM_INIT;
863 @TERM_INIT = ();
864 $_->($TERM) for @init;
865 my @pkg = @TERM_EXT;
866 @TERM_EXT = ();
867 $TERM->register_package ($_) for @pkg;
868 }
869
690 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 870 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
691 if ($_ eq "default") { 871 if ($_ eq "default") {
692 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 872 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
693 } elsif (/^-(.*)$/) { 873 } elsif (/^-(.*)$/) {
694 delete $ext_arg{$1}; 874 delete $ext_arg{$1};
695 } elsif (/^([^<]+)<(.*)>$/) { 875 } elsif (/^([^<]+)<(.*)>$/) {
696 push @{ $ext_arg{$1} }, $2; 876 push @{ $ext_arg{$1} }, $2;
697 } else { 877 } else {
698 $ext_arg{$_} ||= []; 878 $ext_arg{$_} ||= [];
699 } 879 }
700 } 880 }
701 881
702 while (my ($ext, $argv) = each %ext_arg) { 882 for my $ext (sort keys %ext_arg) {
703 my @files = grep -f $_, map "$_/$ext", @dirs; 883 my @files = grep -f $_, map "$_/$ext", @dirs;
704 884
705 if (@files) { 885 if (@files) {
706 $TERM->register_package (extension_package $files[0], $argv); 886 $TERM->register_package (extension_package $files[0], $ext_arg{$ext});
707 } else { 887 } else {
708 warn "perl extension '$ext' not found in perl library search path\n"; 888 warn "perl extension '$ext' not found in perl library search path\n";
709 } 889 }
710 } 890 }
711 891
720 if $verbosity >= 10; 900 if $verbosity >= 10;
721 901
722 keys %$cb; 902 keys %$cb;
723 903
724 while (my ($pkg, $cb) = each %$cb) { 904 while (my ($pkg, $cb) = each %$cb) {
725 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 905 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
726 and last; 906 $retval ||= $retval_;
727 907
728 if ($@) { 908 if ($@) {
729 $TERM->ungrab; # better to lose the grab than the session 909 $TERM->ungrab; # better to lose the grab than the session
730 warn $@; 910 warn $@;
731 } 911 }
744 } 924 }
745 925
746 $retval 926 $retval
747} 927}
748 928
749sub exec_async(@) { 929sub SET_COLOR($$$) {
750 my $pid = fork; 930 SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
751
752 return
753 if !defined $pid or $pid;
754
755 %ENV = %{ $TERM->env };
756
757 exec @_;
758 _exit 255;
759} 931}
760 932
761# urxvt::term::extension 933# urxvt::term::extension
762 934
763package urxvt::term::extension; 935package urxvt::term::extension;
902# find on_xxx subs in the package and register them 1074# find on_xxx subs in the package and register them
903# as hooks 1075# as hooks
904sub register_package { 1076sub register_package {
905 my ($self, $pkg, $argv) = @_; 1077 my ($self, $pkg, $argv) = @_;
906 1078
1079 no strict 'refs';
1080
1081 urxvt::verbose 6, "register package $pkg to $self";
1082
1083 @{"$pkg\::ISA"} = urxvt::term::extension::;
1084
907 my $proxy = bless { 1085 my $proxy = bless {
908 _pkg => $pkg, 1086 _pkg => $pkg,
909 argv => $argv, 1087 argv => $argv,
910 }, $pkg; 1088 }, $pkg;
911 Scalar::Util::weaken ($proxy->{term} = $self); 1089 Scalar::Util::weaken ($proxy->{term} = $self);
926hash which defines the environment of the new terminal. 1104hash which defines the environment of the new terminal.
927 1105
928Croaks (and probably outputs an error message) if the new instance 1106Croaks (and probably outputs an error message) if the new instance
929couldn't be created. Returns C<undef> if the new instance didn't 1107couldn't be created. Returns C<undef> if the new instance didn't
930initialise perl, and the terminal object otherwise. The C<init> and 1108initialise perl, and the terminal object otherwise. The C<init> and
931C<start> hooks will be called during this call. 1109C<start> hooks will be called before this call returns, and are free to
1110refer to global data (which is race free).
932 1111
933=cut 1112=cut
934 1113
935sub new { 1114sub new {
936 my ($class, $env, @args) = @_; 1115 my ($class, $env, @args) = @_;
937 1116
1117 $env or Carp::croak "environment hash missing in call to urxvt::term->new";
1118 @args or Carp::croak "name argument missing in call to urxvt::term->new";
1119
938 _new ([ map "$_=$env->{$_}", keys %$env ], @args); 1120 _new ([ map "$_=$env->{$_}", keys %$env ], \@args);
939} 1121}
940 1122
941=item $term->destroy 1123=item $term->destroy
942 1124
943Destroy the terminal object (close the window, free resources 1125Destroy the terminal object (close the window, free resources
944etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1126etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
945watchers (timers, io watchers) are still active. 1127watchers (timers, io watchers) are still active.
1128
1129=item $term->exec_async ($cmd[, @args])
1130
1131Works like the combination of the C<fork>/C<exec> builtins, which executes
1132("starts") programs in the background. This function takes care of setting
1133the user environment before exec'ing the command (e.g. C<PATH>) and should
1134be preferred over explicit calls to C<exec> or C<system>.
1135
1136Returns the pid of the subprocess or C<undef> on error.
1137
1138=cut
1139
1140sub exec_async {
1141 my $self = shift;
1142
1143 my $pid = fork;
1144
1145 return $pid
1146 if !defined $pid or $pid;
1147
1148 %ENV = %{ $self->env };
1149
1150 exec @_;
1151 urxvt::_exit 255;
1152}
946 1153
947=item $isset = $term->option ($optval[, $set]) 1154=item $isset = $term->option ($optval[, $set])
948 1155
949Returns true if the option specified by C<$optval> is enabled, and 1156Returns true if the option specified by C<$optval> is enabled, and
950optionally change it. All option values are stored by name in the hash 1157optionally change it. All option values are stored by name in the hash
1175 1382
1176Normally its not a good idea to use this function, as programs might be 1383Normally its not a good idea to use this function, as programs might be
1177confused by changes in cursor position or scrolling. Its useful inside a 1384confused by changes in cursor position or scrolling. Its useful inside a
1178C<on_add_lines> hook, though. 1385C<on_add_lines> hook, though.
1179 1386
1387=item $term->scr_change_screen ($screen)
1388
1389Switch to given screen - 0 primary, 1 secondary.
1390
1180=item $term->cmd_parse ($octets) 1391=item $term->cmd_parse ($octets)
1181 1392
1182Similar to C<scr_add_lines>, but the argument must be in the 1393Similar to C<scr_add_lines>, but the argument must be in the
1183locale-specific encoding of the terminal and can contain command sequences 1394locale-specific encoding of the terminal and can contain command sequences
1184(escape codes) that will be interpreted. 1395(escape codes) that will be interpreted.
1194Replaces the event mask of the pty watcher by the given event mask. Can 1405Replaces the event mask of the pty watcher by the given event mask. Can
1195be used to suppress input and output handling to the pty/tty. See the 1406be used to suppress input and output handling to the pty/tty. See the
1196description of C<< urxvt::timer->events >>. Make sure to always restore 1407description of C<< urxvt::timer->events >>. Make sure to always restore
1197the previous value. 1408the previous value.
1198 1409
1410=item $fd = $term->pty_fd
1411
1412Returns the master file descriptor for the pty in use, or C<-1> if no pty
1413is used.
1414
1199=item $windowid = $term->parent 1415=item $windowid = $term->parent
1200 1416
1201Return the window id of the toplevel window. 1417Return the window id of the toplevel window.
1202 1418
1203=item $windowid = $term->vt 1419=item $windowid = $term->vt
1208 1424
1209Adds the specified events to the vt event mask. Useful e.g. when you want 1425Adds the specified events to the vt event mask. Useful e.g. when you want
1210to receive pointer events all the times: 1426to receive pointer events all the times:
1211 1427
1212 $term->vt_emask_add (urxvt::PointerMotionMask); 1428 $term->vt_emask_add (urxvt::PointerMotionMask);
1429
1430=item $term->focus_in
1431
1432=item $term->focus_out
1433
1434=item $term->key_press ($state, $keycode[, $time])
1435
1436=item $term->key_release ($state, $keycode[, $time])
1437
1438Deliver various fake events to to terminal.
1213 1439
1214=item $window_width = $term->width 1440=item $window_width = $term->width
1215 1441
1216=item $window_height = $term->height 1442=item $window_height = $term->height
1217 1443
1267=item $modifiermask = $term->ModNumLockMask 1493=item $modifiermask = $term->ModNumLockMask
1268 1494
1269Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1495Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1270AltGr), the meta key (often Alt) and the num lock key, if applicable. 1496AltGr), the meta key (often Alt) and the num lock key, if applicable.
1271 1497
1498=item $screen = $term->current_screen
1499
1500Returns the currently displayed screen (0 primary, 1 secondary).
1501
1502=item $cursor_is_hidden = $term->hidden_cursor
1503
1504Returns wether the cursor is currently hidden or not.
1505
1272=item $view_start = $term->view_start ([$newvalue]) 1506=item $view_start = $term->view_start ([$newvalue])
1273 1507
1274Returns the row number of the topmost displayed line. Maximum value is 1508Returns the row number of the topmost displayed line. Maximum value is
1275C<0>, which displays the normal terminal contents. Lower values scroll 1509C<0>, which displays the normal terminal contents. Lower values scroll
1276this many lines into the scrollback buffer. 1510this many lines into the scrollback buffer.
1295line, starting at column C<$start_col> (default C<0>), which is useful 1529line, starting at column C<$start_col> (default C<0>), which is useful
1296to replace only parts of a line. The font index in the rendition will 1530to replace only parts of a line. The font index in the rendition will
1297automatically be updated. 1531automatically be updated.
1298 1532
1299C<$text> is in a special encoding: tabs and wide characters that use more 1533C<$text> is in a special encoding: tabs and wide characters that use more
1300than one cell when displayed are padded with urxvt::NOCHAR characters 1534than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1301(C<chr 65535>). Characters with combining characters and other characters 1535characters. Characters with combining characters and other characters that
1302that do not fit into the normal tetx encoding will be replaced with 1536do not fit into the normal tetx encoding will be replaced with characters
1303characters in the private use area. 1537in the private use area.
1304 1538
1305You have to obey this encoding when changing text. The advantage is 1539You have to obey this encoding when changing text. The advantage is
1306that C<substr> and similar functions work on screen cells and not on 1540that C<substr> and similar functions work on screen cells and not on
1307characters. 1541characters.
1308 1542
1455=item $string = $term->special_decode $text 1689=item $string = $term->special_decode $text
1456 1690
1457Converts rxvt-unicodes text reprsentation into a perl string. See 1691Converts rxvt-unicodes text reprsentation into a perl string. See
1458C<< $term->ROW_t >> for details. 1692C<< $term->ROW_t >> for details.
1459 1693
1460=item $success = $term->grab_button ($button, $modifiermask) 1694=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1461 1695
1696=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1697
1462Registers a synchronous button grab. See the XGrabButton manpage. 1698Register/unregister a synchronous button grab. See the XGrabButton
1699manpage.
1463 1700
1464=item $success = $term->grab ($eventtime[, $sync]) 1701=item $success = $term->grab ($eventtime[, $sync])
1465 1702
1466Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1703Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1467synchronous (C<$sync> is true). Also remembers the grab timestampe. 1704synchronous (C<$sync> is true). Also remembers the grab timestampe.
1482=item $term->ungrab 1719=item $term->ungrab
1483 1720
1484Calls XUngrab for the most recent grab. Is called automatically on 1721Calls XUngrab for the most recent grab. Is called automatically on
1485evaluation errors, as it is better to lose the grab in the error case as 1722evaluation errors, as it is better to lose the grab in the error case as
1486the session. 1723the session.
1724
1725=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1726
1727=item $atom_name = $term->XGetAtomName ($atom)
1728
1729=item @atoms = $term->XListProperties ($window)
1730
1731=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1732
1733=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
1734
1735=item $term->XDeleteProperty ($window, $property)
1736
1737=item $window = $term->DefaultRootWindow
1738
1739=item $term->XReparentWindow ($window, $parent, [$x, $y])
1740
1741=item $term->XMapWindow ($window)
1742
1743=item $term->XUnmapWindow ($window)
1744
1745=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1746
1747=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1748
1749=item $term->XChangeInput ($window, $add_events[, $del_events])
1750
1751Various X or X-related functions. The C<$term> object only serves as
1752the source of the display, otherwise those functions map more-or-less
1753directory onto the X functions of the same name.
1487 1754
1488=back 1755=back
1489 1756
1490=cut 1757=cut
1491 1758
1555 my ($self, $text, $cb) = @_; 1822 my ($self, $text, $cb) = @_;
1556 1823
1557 $self->add_item ({ type => "button", text => $text, activate => $cb}); 1824 $self->add_item ({ type => "button", text => $text, activate => $cb});
1558} 1825}
1559 1826
1560=item $popup->add_toggle ($text, $cb, $initial_value) 1827=item $popup->add_toggle ($text, $initial_value, $cb)
1561 1828
1562Adds a toggle/checkbox item to the popup. Teh callback gets called 1829Adds a toggle/checkbox item to the popup. The callback gets called
1563whenever it gets toggled, with a boolean indicating its value as its first 1830whenever it gets toggled, with a boolean indicating its new value as its
1564argument. 1831first argument.
1565 1832
1566=cut 1833=cut
1567 1834
1568sub add_toggle { 1835sub add_toggle {
1569 my ($self, $text, $cb, $value) = @_; 1836 my ($self, $text, $value, $cb) = @_;
1570 1837
1571 my $item; $item = { 1838 my $item; $item = {
1572 type => "button", 1839 type => "button",
1573 text => " $text", 1840 text => " $text",
1574 value => $value, 1841 value => $value,
1611 delete $self->{term}{_destroy}{$self}; 1878 delete $self->{term}{_destroy}{$self};
1612 $self->{term}->ungrab; 1879 $self->{term}->ungrab;
1613} 1880}
1614 1881
1615=back 1882=back
1883
1884=cut
1885
1886package urxvt::watcher;
1887
1888@urxvt::timer::ISA = __PACKAGE__;
1889@urxvt::iow::ISA = __PACKAGE__;
1890@urxvt::pw::ISA = __PACKAGE__;
1891@urxvt::iw::ISA = __PACKAGE__;
1616 1892
1617=head2 The C<urxvt::timer> Class 1893=head2 The C<urxvt::timer> Class
1618 1894
1619This class implements timer watchers/events. Time is represented as a 1895This class implements timer watchers/events. Time is represented as a
1620fractional number of seconds since the epoch. Example: 1896fractional number of seconds since the epoch. Example:
1718 1994
1719Stop watching for events on the given filehandle. 1995Stop watching for events on the given filehandle.
1720 1996
1721=back 1997=back
1722 1998
1999=head2 The C<urxvt::iw> Class
2000
2001This class implements idle watchers, that get called automatically when
2002the process is idle. They should return as fast as possible, after doing
2003some useful work.
2004
2005=over 4
2006
2007=item $iw = new urxvt::iw
2008
2009Create a new idle watcher object in stopped state.
2010
2011=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
2012
2013Set the callback to be called when the watcher triggers.
2014
2015=item $timer = $timer->start
2016
2017Start the watcher.
2018
2019=item $timer = $timer->stop
2020
2021Stop the watcher.
2022
2023=back
2024
2025=head2 The C<urxvt::pw> Class
2026
2027This class implements process watchers. They create an event whenever a
2028process exits, after which they stop automatically.
2029
2030 my $pid = fork;
2031 ...
2032 $term->{pw} = urxvt::pw
2033 ->new
2034 ->start ($pid)
2035 ->cb (sub {
2036 my ($pw, $exit_status) = @_;
2037 ...
2038 });
2039
2040=over 4
2041
2042=item $pw = new urxvt::pw
2043
2044Create a new process watcher in stopped state.
2045
2046=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
2047
2048Set the callback to be called when the timer triggers.
2049
2050=item $pw = $timer->start ($pid)
2051
2052Tells the wqtcher to start watching for process C<$pid>.
2053
2054=item $pw = $pw->stop
2055
2056Stop the watcher.
2057
2058=back
2059
1723=head1 ENVIRONMENT 2060=head1 ENVIRONMENT
1724 2061
1725=head2 URXVT_PERL_VERBOSITY 2062=head2 URXVT_PERL_VERBOSITY
1726 2063
1727This variable controls the verbosity level of the perl extension. Higher 2064This variable controls the verbosity level of the perl extension. Higher

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