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Revision 1.103 by root, Wed Jan 18 11:05:09 2006 UTC vs.
Revision 1.132 by root, Mon Feb 6 05:40:15 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
87 98
88=item selection-popup (enabled by default) 99=item selection-popup (enabled by default)
89 100
90Binds a popup menu to Ctrl-Button3 that lets you convert the selection 101Binds a popup menu to Ctrl-Button3 that lets you convert the selection
91text into various other formats/action (such as uri unescaping, perl 102text into various other formats/action (such as uri unescaping, perl
92evalution, web-browser starting etc.), depending on content. 103evaluation, web-browser starting etc.), depending on content.
93 104
94Other extensions can extend this popup menu by pushing a code reference onto 105Other 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. 106onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
107popup is displayed.
96 108
97It's sole argument is the popup menu, which can be modified. The selection 109It's sole argument is the popup menu, which can be modified. The selection
98is in C<$_>, which can be used to decide wether to add something or not. 110is 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 111It 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 112string will be used as button text and the code reference will be called
102 114
103The following will add an entry C<a to b> that transforms all C<a>s in 115The 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 116the selection to C<b>s, but only if the selection currently contains any
105C<a>s: 117C<a>s:
106 118
107 push urxvt::ext::selection_popup::hook, sub { 119 push @{ $self->{term}{selection_popup_hook} }, sub {
108 /a/ ? ("a to be" => sub { s/a/b/g } 120 /a/ ? ("a to be" => sub { s/a/b/g }
109 : () 121 : ()
110 }; 122 };
111 123
112=item searchable-scrollback<hotkey> (enabled by default) 124=item searchable-scrollback<hotkey> (enabled by default)
122bottom. C<Escape> leaves search mode and returns to the point where search 134bottom. 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 135was 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 136additionally stores the first match in the current line into the primary
125selection. 137selection.
126 138
139=item readline (enabled by default)
140
141A support package that tries to make editing with readline easier. At the
142moment, it reacts to clicking with the left mouse button by trying to
143move the text cursor to this position. It does so by generating as many
144cursor-left or cursor-right keypresses as required (the this only works
145for programs that correctly support wide characters).
146
147To avoid too many false positives, this is only done when:
148
149=over 4
150
151=item - the tty is in ICANON state.
152
153=item - the text cursor is visible.
154
155=item - the primary screen is currently being displayed.
156
157=item - the mouse is on the same (multi-row-) line as the text cursor.
158
159=back
160
161The normal selection mechanism isn't disabled, so quick successive clicks
162might interfere with selection creation in harmless ways.
163
127=item selection-autotransform 164=item selection-autotransform
128 165
129This selection allows you to do automatic transforms on a selection 166This selection allows you to do automatic transforms on a selection
130whenever a selection is made. 167whenever a selection is made.
131 168
143 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/ 180 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
144 181
145And this example matches the same,but replaces it with vi-commands you can 182And this example matches the same,but replaces it with vi-commands you can
146paste directly into your (vi :) editor: 183paste directly into your (vi :) editor:
147 184
148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/ 185 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
149 186
150Of course, this can be modified to suit your needs and your editor :) 187Of course, this can be modified to suit your needs and your editor :)
151 188
152To expand the example above to typical perl error messages ("XXX at 189To expand the example above to typical perl error messages ("XXX at
153FILENAME line YYY."), you need a slightly more elaborate solution: 190FILENAME line YYY."), you need a slightly more elaborate solution:
154 191
155 URxvt.selection.pattern-0: ( at .*? line \\d+\\.) 192 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
156 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/ 193 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
157 194
158The first line tells the selection code to treat the unchanging part of 195The first line tells the selection code to treat the unchanging part of
159every error message as a selection pattern, and the second line transforms 196every error message as a selection pattern, and the second line transforms
160the message into vi commands to load the file. 197the message into vi commands to load the file.
198
199=item tabbed
200
201This transforms the terminal into a tabbar with additional terminals, that
202is, it implements what is commonly refered to as "tabbed terminal". The topmost line
203displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
204button per tab.
205
206Clicking a button will activate that tab. Pressing B<Shift-Left> and
207B<Shift-Right> will switch to the tab left or right of the current one,
208while B<Shift-Down> creates a new tab.
209
210The tabbar itself can be configured similarly to a normal terminal, but
211with a resource class of C<URxvt.tabbed>. In addition, it supports the
212following four resources (shown with defaults):
213
214 URxvt.tabbed.tabbar-fg: <colour-index, default 3>
215 URxvt.tabbed.tabbar-bg: <colour-index, default 0>
216 URxvt.tabbed.tab-fg: <colour-index, default 0>
217 URxvt.tabbed.tab-bg: <colour-index, default 1>
218
219See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
220indices.
161 221
162=item mark-urls 222=item mark-urls
163 223
164Uses per-line display filtering (C<on_line_update>) to underline urls and 224Uses per-line display filtering (C<on_line_update>) to underline urls and
165make them clickable. When middle-clicked, the program specified in the 225make them clickable. When middle-clicked, the program specified in the
166resource C<urlLauncher> (default C<x-www-browser>) will be started with 226resource C<urlLauncher> (default C<x-www-browser>) will be started with
167the URL as first argument. 227the URL as first argument.
168 228
229=item xim-onthespot
230
231This (experimental) perl extension implements OnTheSpot editing. It does
232not work perfectly, and some input methods don't seem to work well with
233OnTheSpot editing in general, but it seems to work at leats for SCIM and
234kinput2.
235
236You enable it by specifying this extension and a preedit style of
237C<OnTheSpot>, i.e.:
238
239 @@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
240
241=item automove-background
242
243This is basically a one-line extension that dynamically changes the background pixmap offset
244to the window position, in effect creating the same effect as pseudo transparency with
245a custom pixmap. No scaling is supported in this mode. Exmaple:
246
247 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
248
169=item block-graphics-to-ascii 249=item block-graphics-to-ascii
170 250
171A not very useful example of filtering all text output to the terminal, 251A not very useful example of filtering all text output to the terminal,
172by replacing all line-drawing characters (U+2500 .. U+259F) by a 252by replacing all line-drawing characters (U+2500 .. U+259F) by a
173similar-looking ascii character. 253similar-looking ascii character.
174 254
175=item digital-clock 255=item digital-clock
176 256
177Displays a digital clock using the built-in overlay. 257Displays a digital clock using the built-in overlay.
178 258
179=item example-refresh-hooks 259=item remote-clipboard
180 260
181Displays a very simple digital clock in the upper right corner of the 261Somewhat of a misnomer, this extension adds two menu entries to the
182window. Illustrates overwriting the refresh callbacks to create your own 262selection popup that allows one ti run external commands to store the
183overlays or changes. 263selection somewhere and fetch it again.
264
265We use it to implement a "distributed selection mechanism", which just
266means that one command uploads the file to a remote server, and another
267reads it.
268
269The commands can be set using the C<URxvt.remote-selection.store> and
270C<URxvt.remote-selection.fetch> resources. The first should read the
271selection to store from STDIN (always in UTF-8), the second should provide
272the selection data on STDOUT (also in UTF-8).
273
274The defaults (which are likely useless to you) use rsh and cat:
275
276 URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
277 URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
184 278
185=item selection-pastebin 279=item selection-pastebin
186 280
187This is a little rarely useful extension that Uploads the selection as 281This is a little rarely useful extension that Uploads the selection as
188textfile to a remote site (or does other things). (The implementation is 282textfile to a remote site (or does other things). (The implementation is
208After a successful upload the selection will be replaced by the text given 302After a successful upload the selection will be replaced by the text given
209in the C<selection-pastebin-url> resource (again, the % is the placeholder 303in the C<selection-pastebin-url> resource (again, the % is the placeholder
210for the filename): 304for the filename):
211 305
212 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/% 306 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
307
308=item example-refresh-hooks
309
310Displays a very simple digital clock in the upper right corner of the
311window. Illustrates overwriting the refresh callbacks to create your own
312overlays or changes.
213 313
214=back 314=back
215 315
216=head1 API DOCUMENTATION 316=head1 API DOCUMENTATION
217 317
290called whenever the relevant event happens. 390called whenever the relevant event happens.
291 391
292The first argument passed to them is an extension oject as described in 392The first argument passed to them is an extension oject as described in
293the in the C<Extension Objects> section. 393the in the C<Extension Objects> section.
294 394
295B<All> of these hooks must return a boolean value. If it is true, then the 395B<All> of these hooks must return a boolean value. If any of the called
296event counts as being I<consumed>, and the invocation of other hooks is 396hooks returns true, then the event counts as being I<consumed>, and the
297skipped, and the relevant action might not be carried out by the C++ code. 397relevant action might not be carried out by the C++ code.
298 398
299I<< When in doubt, return a false value (preferably C<()>). >> 399I<< When in doubt, return a false value (preferably C<()>). >>
300 400
301=over 4 401=over 4
302 402
303=item on_init $term 403=item on_init $term
304 404
305Called after a new terminal object has been initialized, but before 405Called after a new terminal object has been initialized, but before
306windows are created or the command gets run. Most methods are unsafe to 406windows are created or the command gets run. Most methods are unsafe to
307call or deliver senseless data, as terminal size and other characteristics 407call or deliver senseless data, as terminal size and other characteristics
308have not yet been determined. You can safely query and change resources, 408have not yet been determined. You can safely query and change resources
309though. 409and options, though. For many purposes the C<on_start> hook is a better
410place.
411
412=item on_start $term
413
414Called at the very end of initialisation of a new terminal, just before
415trying to map (display) the toplevel and returning to the mainloop.
416
417=item on_destroy $term
418
419Called whenever something tries to destroy terminal, when the terminal is
420still fully functional (not for long, though).
310 421
311=item on_reset $term 422=item on_reset $term
312 423
313Called after the screen is "reset" for any reason, such as resizing or 424Called after the screen is "reset" for any reason, such as resizing or
314control sequences. Here is where you can react on changes to size-related 425control sequences. Here is where you can react on changes to size-related
315variables. 426variables.
316 427
317=item on_start $term 428=item on_child_start $term, $pid
318 429
319Called at the very end of initialisation of a new terminal, just before 430Called just after the child process has been C<fork>ed.
320returning to the mainloop. 431
432=item on_child_exit $term, $status
433
434Called just after the child process has exited. C<$status> is the status
435from C<waitpid>.
321 436
322=item on_sel_make $term, $eventtime 437=item on_sel_make $term, $eventtime
323 438
324Called whenever a selection has been made by the user, but before the 439Called whenever a selection has been made by the user, but before the
325selection text is copied, so changes to the beginning, end or type of the 440selection text is copied, so changes to the beginning, end or type of the
412 527
413=item on_refresh_end $term 528=item on_refresh_end $term
414 529
415Called just after the screen gets redrawn. See C<on_refresh_begin>. 530Called just after the screen gets redrawn. See C<on_refresh_begin>.
416 531
417=item on_keyboard_command $term, $string 532=item on_user_command $term, $string
418 533
419Called whenever the user presses a key combination that has a 534Called whenever the a user-configured event is being activated (e.g. via
420C<perl:string> action bound to it (see description of the B<keysym> 535a C<perl:string> action bound to a key, see description of the B<keysym>
421resource in the @@RXVT_NAME@@(1) manpage). 536resource in the @@RXVT_NAME@@(1) manpage).
537
538The event is simply the action string. This interface is assumed to change
539slightly in the future.
422 540
423=item on_x_event $term, $event 541=item on_x_event $term, $event
424 542
425Called on every X event received on the vt window (and possibly other 543Called on every X event received on the vt window (and possibly other
426windows). Should only be used as a last resort. Most event structure 544windows). Should only be used as a last resort. Most event structure
436Called wheneever the window loses keyboard focus, before rxvt-unicode does 554Called wheneever the window loses keyboard focus, before rxvt-unicode does
437focus out processing. 555focus out processing.
438 556
439=item on_configure_notify $term, $event 557=item on_configure_notify $term, $event
440 558
559=item on_property_notify $term, $event
560
441=item on_key_press $term, $event, $keysym, $octets 561=item on_key_press $term, $event, $keysym, $octets
442 562
443=item on_key_release $term, $event, $keysym 563=item on_key_release $term, $event, $keysym
444 564
445=item on_button_press $term, $event 565=item on_button_press $term, $event
454 574
455Called whenever the corresponding X event is received for the terminal If 575Called whenever the corresponding X event is received for the terminal If
456the hook returns true, then the even will be ignored by rxvt-unicode. 576the hook returns true, then the even will be ignored by rxvt-unicode.
457 577
458The event is a hash with most values as named by Xlib (see the XEvent 578The event is a hash with most values as named by Xlib (see the XEvent
459manpage), with the additional members C<row> and C<col>, which are the row 579manpage), with the additional members C<row> and C<col>, which are the
460and column under the mouse cursor. 580(real, not screen-based) row and column under the mouse cursor.
461 581
462C<on_key_press> additionally receives the string rxvt-unicode would 582C<on_key_press> additionally receives the string rxvt-unicode would
463output, if any, in locale-specific encoding. 583output, if any, in locale-specific encoding.
464 584
465subwindow. 585subwindow.
586
587=item on_client_message $term, $event
588
589=item on_wm_protocols $term, $event
590
591=item on_wm_delete_window $term, $event
592
593Called when various types of ClientMessage events are received (all with
594format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
466 595
467=back 596=back
468 597
469=cut 598=cut
470 599
476use Scalar::Util (); 605use Scalar::Util ();
477use List::Util (); 606use List::Util ();
478 607
479our $VERSION = 1; 608our $VERSION = 1;
480our $TERM; 609our $TERM;
610our @TERM_INIT;
611our @TERM_EXT;
481our @HOOKNAME; 612our @HOOKNAME;
482our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 613our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
483our %OPTION; 614our %OPTION;
484 615
485our $LIBDIR; 616our $LIBDIR;
486our $RESNAME; 617our $RESNAME;
487our $RESCLASS; 618our $RESCLASS;
488our $RXVTNAME; 619our $RXVTNAME;
489 620
621our $NOCHAR = chr 0xffff;
622
490=head2 Variables in the C<urxvt> Package 623=head2 Variables in the C<urxvt> Package
491 624
492=over 4 625=over 4
493 626
494=item $urxvt::LIBDIR 627=item $urxvt::LIBDIR
506 639
507=item $urxvt::TERM 640=item $urxvt::TERM
508 641
509The current terminal. This variable stores the current C<urxvt::term> 642The current terminal. This variable stores the current C<urxvt::term>
510object, whenever a callback/hook is executing. 643object, whenever a callback/hook is executing.
644
645=item @urxvt::TERM_INIT
646
647All coderefs in this array will be called as methods of the next newly
648created C<urxvt::term> object (during the C<on_init> phase). The array
649gets cleared before the codereferences that were in it are being executed,
650so coderefs can push themselves onto it again if they so desire.
651
652This complements to the perl-eval commandline option, but gets executed
653first.
654
655=item @urxvt::TERM_EXT
656
657Works similar to C<@TERM_INIT>, but contains perl package/class names, which
658get registered as normal extensions after calling the hooks in C<@TERM_INIT>
659but before other extensions. Gets cleared just like C<@TERM_INIT>.
511 660
512=back 661=back
513 662
514=head2 Functions in the C<urxvt> Package 663=head2 Functions in the C<urxvt> Package
515 664
529 678
530Using this function has the advantage that its output ends up in the 679Using this function has the advantage that its output ends up in the
531correct place, e.g. on stderr of the connecting urxvtc client. 680correct place, e.g. on stderr of the connecting urxvtc client.
532 681
533Messages have a size limit of 1023 bytes currently. 682Messages have a size limit of 1023 bytes currently.
683
684=item @terms = urxvt::termlist
685
686Returns all urxvt::term objects that exist in this process, regardless of
687wether they are started, being destroyed etc., so be careful. Only term
688objects that have perl extensions attached will be returned (because there
689is no urxvt::term objet associated with others).
534 690
535=item $time = urxvt::NOW 691=item $time = urxvt::NOW
536 692
537Returns the "current time" (as per the event loop). 693Returns the "current time" (as per the event loop).
538 694
596Return the foreground/background colour index, respectively. 752Return the foreground/background colour index, respectively.
597 753
598=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour 754=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
599 755
600=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour 756=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
757
758=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
601 759
602Replace the foreground/background colour in the rendition mask with the 760Replace the foreground/background colour in the rendition mask with the
603specified one. 761specified one.
604 762
605=item $value = urxvt::GET_CUSTOM $rend 763=item $value = urxvt::GET_CUSTOM $rend
622 my $msg = join "", @_; 780 my $msg = join "", @_;
623 $msg .= "\n" 781 $msg .= "\n"
624 unless $msg =~ /\n$/; 782 unless $msg =~ /\n$/;
625 urxvt::warn ($msg); 783 urxvt::warn ($msg);
626 }; 784 };
627
628 # %ENV is the original startup environment
629 delete $ENV{IFS};
630 delete $ENV{CDPATH};
631 delete $ENV{BASH_ENV};
632 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
633} 785}
786
787no warnings 'utf8';
634 788
635my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 789my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
636 790
637sub verbose { 791sub verbose {
638 my ($level, $msg) = @_; 792 my ($level, $msg) = @_;
642my %extension_pkg; 796my %extension_pkg;
643 797
644# load a single script into its own package, once only 798# load a single script into its own package, once only
645sub extension_package($) { 799sub extension_package($) {
646 my ($path) = @_; 800 my ($path) = @_;
647
648 no strict 'refs';
649 801
650 $extension_pkg{$path} ||= do { 802 $extension_pkg{$path} ||= do {
651 $path =~ /([^\/\\]+)$/; 803 $path =~ /([^\/\\]+)$/;
652 my $pkg = $1; 804 my $pkg = $1;
653 $pkg =~ s/[^[:word:]]/_/g; 805 $pkg =~ s/[^[:word:]]/_/g;
656 verbose 3, "loading extension '$path' into package '$pkg'"; 808 verbose 3, "loading extension '$path' into package '$pkg'";
657 809
658 open my $fh, "<:raw", $path 810 open my $fh, "<:raw", $path
659 or die "$path: $!"; 811 or die "$path: $!";
660 812
661 @{"$pkg\::ISA"} = urxvt::term::extension::;
662
663 my $source = 813 my $source =
664 "package $pkg; use strict; use utf8;\n" 814 "package $pkg; use strict; use utf8; no warnings 'utf8';\n"
665 . "#line 1 \"$path\"\n{\n" 815 . "#line 1 \"$path\"\n{\n"
666 . (do { local $/; <$fh> }) 816 . (do { local $/; <$fh> })
667 . "\n};\n1"; 817 . "\n};\n1";
668 818
669 eval $source 819 eval $source
683 if ($htype == 0) { # INIT 833 if ($htype == 0) { # INIT
684 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 834 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
685 835
686 my %ext_arg; 836 my %ext_arg;
687 837
838 {
839 my @init = @TERM_INIT;
840 @TERM_INIT = ();
841 $_->($TERM) for @init;
842 my @pkg = @TERM_EXT;
843 @TERM_EXT = ();
844 $TERM->register_package ($_) for @pkg;
845 }
846
688 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 847 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
689 if ($_ eq "default") { 848 if ($_ eq "default") {
690 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 849 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
691 } elsif (/^-(.*)$/) { 850 } elsif (/^-(.*)$/) {
692 delete $ext_arg{$1}; 851 delete $ext_arg{$1};
693 } elsif (/^([^<]+)<(.*)>$/) { 852 } elsif (/^([^<]+)<(.*)>$/) {
694 push @{ $ext_arg{$1} }, $2; 853 push @{ $ext_arg{$1} }, $2;
695 } else { 854 } else {
718 if $verbosity >= 10; 877 if $verbosity >= 10;
719 878
720 keys %$cb; 879 keys %$cb;
721 880
722 while (my ($pkg, $cb) = each %$cb) { 881 while (my ($pkg, $cb) = each %$cb) {
723 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 882 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
724 and last; 883 $retval ||= $retval_;
725 884
726 if ($@) { 885 if ($@) {
727 $TERM->ungrab; # better to lose the grab than the session 886 $TERM->ungrab; # better to lose the grab than the session
728 warn $@; 887 warn $@;
729 } 888 }
742 } 901 }
743 902
744 $retval 903 $retval
745} 904}
746 905
747sub exec_async(@) { 906sub SET_COLOR($$$) {
748 my $pid = fork; 907 SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
749
750 return
751 if !defined $pid or $pid;
752
753 %ENV = %{ $TERM->env };
754
755 exec @_;
756 _exit 255;
757} 908}
758 909
759# urxvt::term::extension 910# urxvt::term::extension
760 911
761package urxvt::term::extension; 912package urxvt::term::extension;
900# find on_xxx subs in the package and register them 1051# find on_xxx subs in the package and register them
901# as hooks 1052# as hooks
902sub register_package { 1053sub register_package {
903 my ($self, $pkg, $argv) = @_; 1054 my ($self, $pkg, $argv) = @_;
904 1055
1056 no strict 'refs';
1057
1058 urxvt::verbose 6, "register package $pkg to $self";
1059
1060 @{"$pkg\::ISA"} = urxvt::term::extension::;
1061
905 my $proxy = bless { 1062 my $proxy = bless {
906 _pkg => $pkg, 1063 _pkg => $pkg,
907 argv => $argv, 1064 argv => $argv,
908 }, $pkg; 1065 }, $pkg;
909 Scalar::Util::weaken ($proxy->{term} = $self); 1066 Scalar::Util::weaken ($proxy->{term} = $self);
924hash which defines the environment of the new terminal. 1081hash which defines the environment of the new terminal.
925 1082
926Croaks (and probably outputs an error message) if the new instance 1083Croaks (and probably outputs an error message) if the new instance
927couldn't be created. Returns C<undef> if the new instance didn't 1084couldn't be created. Returns C<undef> if the new instance didn't
928initialise perl, and the terminal object otherwise. The C<init> and 1085initialise perl, and the terminal object otherwise. The C<init> and
929C<start> hooks will be called during this call. 1086C<start> hooks will be called before this call returns, and are free to
1087refer to global data (which is race free).
930 1088
931=cut 1089=cut
932 1090
933sub new { 1091sub new {
934 my ($class, $env, @args) = @_; 1092 my ($class, $env, @args) = @_;
935 1093
1094 $env or Carp::croak "environment hash missing in call to urxvt::term->new";
1095 @args or Carp::croak "name argument missing in call to urxvt::term->new";
1096
936 _new ([ map "$_=$env->{$_}", keys %$env ], @args); 1097 _new ([ map "$_=$env->{$_}", keys %$env ], \@args);
937} 1098}
938 1099
939=item $term->destroy 1100=item $term->destroy
940 1101
941Destroy the terminal object (close the window, free resources 1102Destroy the terminal object (close the window, free resources
942etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1103etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
943watchers (timers, io watchers) are still active. 1104watchers (timers, io watchers) are still active.
944 1105
1106=item $term->exec_async ($cmd[, @args])
1107
1108Works like the combination of the C<fork>/C<exec> builtins, which executes
1109("starts") programs in the background. This function takes care of setting
1110the user environment before exec'ing the command (e.g. C<PATH>) and should
1111be preferred over explicit calls to C<exec> or C<system>.
1112
1113Returns the pid of the subprocess or C<undef> on error.
1114
1115=cut
1116
1117sub exec_async {
1118 my $self = shift;
1119
1120 my $pid = fork;
1121
1122 return $pid
1123 if !defined $pid or $pid;
1124
1125 %ENV = %{ $self->env };
1126
1127 exec @_;
1128 urxvt::_exit 255;
1129}
1130
945=item $isset = $term->option ($optval[, $set]) 1131=item $isset = $term->option ($optval[, $set])
946 1132
947Returns true if the option specified by C<$optval> is enabled, and 1133Returns true if the option specified by C<$optval> is enabled, and
948optionally change it. All option values are stored by name in the hash 1134optionally change it. All option values are stored by name in the hash
949C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1135C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
951Here is a a likely non-exhaustive list of option names, please see the 1137Here is a a likely non-exhaustive list of option names, please see the
952source file F</src/optinc.h> to see the actual list: 1138source file F</src/optinc.h> to see the actual list:
953 1139
954 borderLess console cursorBlink cursorUnderline hold iconic insecure 1140 borderLess console cursorBlink cursorUnderline hold iconic insecure
955 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1141 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
956 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1142 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
957 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1143 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
958 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1144 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
959 tripleclickwords utmpInhibit visualBell 1145 transparent tripleclickwords utmpInhibit visualBell
960 1146
961=item $value = $term->resource ($name[, $newval]) 1147=item $value = $term->resource ($name[, $newval])
962 1148
963Returns the current resource value associated with a given name and 1149Returns the current resource value associated with a given name and
964optionally sets a new value. Setting values is most useful in the C<init> 1150optionally sets a new value. Setting values is most useful in the C<init>
981 1167
982 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1168 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
983 borderLess color cursorBlink cursorUnderline cutchars delete_key 1169 borderLess color cursorBlink cursorUnderline cutchars delete_key
984 display_name embed ext_bwidth fade font geometry hold iconName 1170 display_name embed ext_bwidth fade font geometry hold iconName
985 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1171 imFont imLocale inputMethod insecure int_bwidth intensityStyles
986 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1172 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
987 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1173 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
988 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1174 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
989 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1175 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
990 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1176 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
991 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1177 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
992 shade term_name title transparent transparent_all tripleclickwords 1178 secondaryScreen secondaryScroll selectstyle shade term_name title
993 utmpInhibit visualBell 1179 transient_for transparent transparent_all tripleclickwords utmpInhibit
1180 visualBell
994 1181
995=cut 1182=cut
996 1183
997sub resource($$;$) { 1184sub resource($$;$) {
998 my ($self, $name) = (shift, shift); 1185 my ($self, $name) = (shift, shift);
1172 1359
1173Normally its not a good idea to use this function, as programs might be 1360Normally its not a good idea to use this function, as programs might be
1174confused by changes in cursor position or scrolling. Its useful inside a 1361confused by changes in cursor position or scrolling. Its useful inside a
1175C<on_add_lines> hook, though. 1362C<on_add_lines> hook, though.
1176 1363
1364=item $term->scr_change_screen ($screen)
1365
1366Switch to given screen - 0 primary, 1 secondary.
1367
1177=item $term->cmd_parse ($octets) 1368=item $term->cmd_parse ($octets)
1178 1369
1179Similar to C<scr_add_lines>, but the argument must be in the 1370Similar to C<scr_add_lines>, but the argument must be in the
1180locale-specific encoding of the terminal and can contain command sequences 1371locale-specific encoding of the terminal and can contain command sequences
1181(escape codes) that will be interpreted. 1372(escape codes) that will be interpreted.
1191Replaces the event mask of the pty watcher by the given event mask. Can 1382Replaces the event mask of the pty watcher by the given event mask. Can
1192be used to suppress input and output handling to the pty/tty. See the 1383be used to suppress input and output handling to the pty/tty. See the
1193description of C<< urxvt::timer->events >>. Make sure to always restore 1384description of C<< urxvt::timer->events >>. Make sure to always restore
1194the previous value. 1385the previous value.
1195 1386
1387=item $fd = $term->pty_fd
1388
1389Returns the master file descriptor for the pty in use, or C<-1> if no pty
1390is used.
1391
1196=item $windowid = $term->parent 1392=item $windowid = $term->parent
1197 1393
1198Return the window id of the toplevel window. 1394Return the window id of the toplevel window.
1199 1395
1200=item $windowid = $term->vt 1396=item $windowid = $term->vt
1205 1401
1206Adds the specified events to the vt event mask. Useful e.g. when you want 1402Adds the specified events to the vt event mask. Useful e.g. when you want
1207to receive pointer events all the times: 1403to receive pointer events all the times:
1208 1404
1209 $term->vt_emask_add (urxvt::PointerMotionMask); 1405 $term->vt_emask_add (urxvt::PointerMotionMask);
1406
1407=item $term->focus_in
1408
1409=item $term->focus_out
1410
1411=item $term->key_press ($state, $keycode[, $time])
1412
1413=item $term->key_release ($state, $keycode[, $time])
1414
1415Deliver various fake events to to terminal.
1210 1416
1211=item $window_width = $term->width 1417=item $window_width = $term->width
1212 1418
1213=item $window_height = $term->height 1419=item $window_height = $term->height
1214 1420
1264=item $modifiermask = $term->ModNumLockMask 1470=item $modifiermask = $term->ModNumLockMask
1265 1471
1266Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1472Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1267AltGr), the meta key (often Alt) and the num lock key, if applicable. 1473AltGr), the meta key (often Alt) and the num lock key, if applicable.
1268 1474
1475=item $screen = $term->current_screen
1476
1477Returns the currently displayed screen (0 primary, 1 secondary).
1478
1479=item $cursor_is_hidden = $term->hidden_cursor
1480
1481Returns wether the cursor is currently hidden or not.
1482
1269=item $view_start = $term->view_start ([$newvalue]) 1483=item $view_start = $term->view_start ([$newvalue])
1270 1484
1271Returns the row number of the topmost displayed line. Maximum value is 1485Returns the row number of the topmost displayed line. Maximum value is
1272C<0>, which displays the normal terminal contents. Lower values scroll 1486C<0>, which displays the normal terminal contents. Lower values scroll
1273this many lines into the scrollback buffer. 1487this many lines into the scrollback buffer.
1292line, starting at column C<$start_col> (default C<0>), which is useful 1506line, starting at column C<$start_col> (default C<0>), which is useful
1293to replace only parts of a line. The font index in the rendition will 1507to replace only parts of a line. The font index in the rendition will
1294automatically be updated. 1508automatically be updated.
1295 1509
1296C<$text> is in a special encoding: tabs and wide characters that use more 1510C<$text> is in a special encoding: tabs and wide characters that use more
1297than one cell when displayed are padded with urxvt::NOCHAR characters 1511than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1298(C<chr 65535>). Characters with combining characters and other characters 1512characters. Characters with combining characters and other characters that
1299that do not fit into the normal tetx encoding will be replaced with 1513do not fit into the normal tetx encoding will be replaced with characters
1300characters in the private use area. 1514in the private use area.
1301 1515
1302You have to obey this encoding when changing text. The advantage is 1516You have to obey this encoding when changing text. The advantage is
1303that C<substr> and similar functions work on screen cells and not on 1517that C<substr> and similar functions work on screen cells and not on
1304characters. 1518characters.
1305 1519
1452=item $string = $term->special_decode $text 1666=item $string = $term->special_decode $text
1453 1667
1454Converts rxvt-unicodes text reprsentation into a perl string. See 1668Converts rxvt-unicodes text reprsentation into a perl string. See
1455C<< $term->ROW_t >> for details. 1669C<< $term->ROW_t >> for details.
1456 1670
1457=item $success = $term->grab_button ($button, $modifiermask) 1671=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1458 1672
1673=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1674
1459Registers a synchronous button grab. See the XGrabButton manpage. 1675Register/unregister a synchronous button grab. See the XGrabButton
1676manpage.
1460 1677
1461=item $success = $term->grab ($eventtime[, $sync]) 1678=item $success = $term->grab ($eventtime[, $sync])
1462 1679
1463Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1680Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1464synchronous (C<$sync> is true). Also remembers the grab timestampe. 1681synchronous (C<$sync> is true). Also remembers the grab timestampe.
1479=item $term->ungrab 1696=item $term->ungrab
1480 1697
1481Calls XUngrab for the most recent grab. Is called automatically on 1698Calls XUngrab for the most recent grab. Is called automatically on
1482evaluation errors, as it is better to lose the grab in the error case as 1699evaluation errors, as it is better to lose the grab in the error case as
1483the session. 1700the session.
1701
1702=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1703
1704=item $atom_name = $term->XGetAtomName ($atom)
1705
1706=item @atoms = $term->XListProperties ($window)
1707
1708=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1709
1710=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
1711
1712=item $term->XDeleteProperty ($window, $property)
1713
1714=item $window = $term->DefaultRootWindow
1715
1716=item $term->XReparentWindow ($window, $parent, [$x, $y])
1717
1718=item $term->XMapWindow ($window)
1719
1720=item $term->XUnmapWindow ($window)
1721
1722=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1723
1724=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1725
1726=item $term->XChangeInput ($window, $add_events[, $del_events])
1727
1728Various X or X-related functions. The C<$term> object only serves as
1729the source of the display, otherwise those functions map more-or-less
1730directory onto the X functions of the same name.
1484 1731
1485=back 1732=back
1486 1733
1487=cut 1734=cut
1488 1735
1591 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1838 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1592 delete $env->{LC_ALL}; 1839 delete $env->{LC_ALL};
1593 $env->{LC_CTYPE} = $self->{term}->locale; 1840 $env->{LC_CTYPE} = $self->{term}->locale;
1594 1841
1595 urxvt::term->new ($env, "popup", 1842 urxvt::term->new ($env, "popup",
1596 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1843 "--perl-lib" => "", "--perl-ext-common" => "",
1844 "-pty-fd" => -1, "-sl" => 0,
1845 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1597 "--transient-for" => $self->{term}->parent, 1846 "--transient-for" => $self->{term}->parent,
1598 "-display" => $self->{term}->display_id, 1847 "-display" => $self->{term}->display_id,
1599 "-pe" => "urxvt-popup") 1848 "-pe" => "urxvt-popup")
1600 or die "unable to create popup window\n"; 1849 or die "unable to create popup window\n";
1601} 1850}
1606 delete $self->{term}{_destroy}{$self}; 1855 delete $self->{term}{_destroy}{$self};
1607 $self->{term}->ungrab; 1856 $self->{term}->ungrab;
1608} 1857}
1609 1858
1610=back 1859=back
1860
1861=cut
1862
1863package urxvt::watcher;
1864
1865@urxvt::timer::ISA = __PACKAGE__;
1866@urxvt::iow::ISA = __PACKAGE__;
1867@urxvt::pw::ISA = __PACKAGE__;
1868@urxvt::iw::ISA = __PACKAGE__;
1611 1869
1612=head2 The C<urxvt::timer> Class 1870=head2 The C<urxvt::timer> Class
1613 1871
1614This class implements timer watchers/events. Time is represented as a 1872This class implements timer watchers/events. Time is represented as a
1615fractional number of seconds since the epoch. Example: 1873fractional number of seconds since the epoch. Example:
1713 1971
1714Stop watching for events on the given filehandle. 1972Stop watching for events on the given filehandle.
1715 1973
1716=back 1974=back
1717 1975
1976=head2 The C<urxvt::iw> Class
1977
1978This class implements idle watchers, that get called automatically when
1979the process is idle. They should return as fast as possible, after doing
1980some useful work.
1981
1982=over 4
1983
1984=item $iw = new urxvt::iw
1985
1986Create a new idle watcher object in stopped state.
1987
1988=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1989
1990Set the callback to be called when the watcher triggers.
1991
1992=item $timer = $timer->start
1993
1994Start the watcher.
1995
1996=item $timer = $timer->stop
1997
1998Stop the watcher.
1999
2000=back
2001
2002=head2 The C<urxvt::pw> Class
2003
2004This class implements process watchers. They create an event whenever a
2005process exits, after which they stop automatically.
2006
2007 my $pid = fork;
2008 ...
2009 $term->{pw} = urxvt::pw
2010 ->new
2011 ->start ($pid)
2012 ->cb (sub {
2013 my ($pw, $exit_status) = @_;
2014 ...
2015 });
2016
2017=over 4
2018
2019=item $pw = new urxvt::pw
2020
2021Create a new process watcher in stopped state.
2022
2023=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
2024
2025Set the callback to be called when the timer triggers.
2026
2027=item $pw = $timer->start ($pid)
2028
2029Tells the wqtcher to start watching for process C<$pid>.
2030
2031=item $pw = $pw->stop
2032
2033Stop the watcher.
2034
2035=back
2036
1718=head1 ENVIRONMENT 2037=head1 ENVIRONMENT
1719 2038
1720=head2 URXVT_PERL_VERBOSITY 2039=head2 URXVT_PERL_VERBOSITY
1721 2040
1722This variable controls the verbosity level of the perl extension. Higher 2041This variable controls the verbosity level of the perl extension. Higher

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