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Revision 1.96 by root, Tue Jan 17 16:22:41 2006 UTC vs.
Revision 1.121 by root, Fri Jan 20 22:49:34 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
76 80
77Rot-13 the selection when activated. Used via keyboard trigger: 81Rot-13 the selection when activated. Used via keyboard trigger:
78 82
79 URxvt.keysym.C-M-r: perl:selection:rot13 83 URxvt.keysym.C-M-r: perl:selection:rot13
80 84
81=item remote-pastebin
82
83Upload the selection as textfile to a remote site.
84
85 URxvt.keysym.C-M-e: perl:selection:remote-pastebin
86
87To set the command to upload the file set this resource:
88
89 URxvt.selection-pastebin-cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
90
91The % is the placeholder for the textfile. The name of the textfile is the hex encoded
92md5 sum of the selection.
93After an successful upload the selection will be replaced by the following url
94(the % is the placeholder for the filename):
95
96 URxvt.selection-pastebin-url: http://www.ta-sa.org/files/txt/%
97
98=back 85=back
99 86
100=item option-popup (enabled by default) 87=item option-popup (enabled by default)
101 88
102Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at 89Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
104 91
105=item selection-popup (enabled by default) 92=item selection-popup (enabled by default)
106 93
107Binds a popup menu to Ctrl-Button3 that lets you convert the selection 94Binds a popup menu to Ctrl-Button3 that lets you convert the selection
108text into various other formats/action (such as uri unescaping, perl 95text into various other formats/action (such as uri unescaping, perl
109evalution, web-browser starting etc.), depending on content. 96evaluation, web-browser starting etc.), depending on content.
97
98Other extensions can extend this popup menu by pushing a code reference
99onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
100popup is displayed.
101
102It's sole argument is the popup menu, which can be modified. The selection
103is in C<$_>, which can be used to decide wether to add something or not.
104It should either return nothing or a string and a code reference. The
105string will be used as button text and the code reference will be called
106when the button gets activated and should transform C<$_>.
107
108The following will add an entry C<a to b> that transforms all C<a>s in
109the selection to C<b>s, but only if the selection currently contains any
110C<a>s:
111
112 push @{ $self->{term}{selection_popup_hook} }, sub {
113 /a/ ? ("a to be" => sub { s/a/b/g }
114 : ()
115 };
110 116
111=item searchable-scrollback<hotkey> (enabled by default) 117=item searchable-scrollback<hotkey> (enabled by default)
112 118
113Adds regex search functionality to the scrollback buffer, triggered 119Adds regex search functionality to the scrollback buffer, triggered
114by a hotkey (default: C<M-s>). While in search mode, normal terminal 120by a hotkey (default: C<M-s>). While in search mode, normal terminal
142 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/ 148 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
143 149
144And this example matches the same,but replaces it with vi-commands you can 150And this example matches the same,but replaces it with vi-commands you can
145paste directly into your (vi :) editor: 151paste directly into your (vi :) editor:
146 152
147 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/\\x1b:e \\Q$1\\E\\x0d:$2\\x0d/ 153 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
148 154
149Of course, this can be modified to suit your needs and your editor :) 155Of course, this can be modified to suit your needs and your editor :)
150 156
151To expand the example above to typical perl error messages ("XXX at 157To expand the example above to typical perl error messages ("XXX at
152FILENAME line YYY."), you need a slightly more elaborate solution: 158FILENAME line YYY."), you need a slightly more elaborate solution:
153 159
154 URxvt.selection.pattern-0: ( at .*? line \\d+\\.) 160 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
155 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)\\.$/\x1b:e \\Q$1\E\\x0d:$2\\x0d/ 161 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
156 162
157The first line tells the selection code to treat the unchanging part of 163The first line tells the selection code to treat the unchanging part of
158every error message as a selection pattern, and the second line transforms 164every error message as a selection pattern, and the second line transforms
159the message into vi commands to load the file. 165the message into vi commands to load the file.
166
167=item readline
168
169A support package that tries to make editing with readline easier. At the
170moment, it reacts to clicking with the left mouse button by trying to
171move the text cursor to this position. It does so by generating as many
172cursor-left or cursor-right keypresses as required (the this only works
173for programs that correctly support wide characters).
174
175It only works when clicking into the same line (possibly extended over
176multiple rows) as the text cursor and on the primary screen, to reduce the
177risk of misinterpreting. The normal selection isn't disabled, so quick
178successive clicks might interfere with selection creation in harmless
179ways.
180
181=item tabbed
182
183This transforms the terminal into a tabbar with additional terminals, that
184is, it implements what is commonly refered to as "tabbed terminal". The topmost line
185displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
186button per tab.
187
188Clicking a button will activate that tab. Pressing B<Shift-Left> and
189B<Shift-Right> will switch to the tab left or right of the current one,
190while B<Shift-Down> creates a new tab.
160 191
161=item mark-urls 192=item mark-urls
162 193
163Uses per-line display filtering (C<on_line_update>) to underline urls and 194Uses per-line display filtering (C<on_line_update>) to underline urls and
164make them clickable. When middle-clicked, the program specified in the 195make them clickable. When middle-clicked, the program specified in the
165resource C<urlLauncher> (default C<x-www-browser>) will be started with 196resource C<urlLauncher> (default C<x-www-browser>) will be started with
166the URL as first argument. 197the URL as first argument.
167 198
199=item automove-background
200
201This is basically a one-line extension that dynamically changes the background pixmap offset
202to the window position, in effect creating the same effect as pseudo transparency with
203a custom pixmap. No scaling is supported in this mode. Exmaple:
204
205 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
206
168=item block-graphics-to-ascii 207=item block-graphics-to-ascii
169 208
170A not very useful example of filtering all text output to the terminal, 209A not very useful example of filtering all text output to the terminal,
171by replacing all line-drawing characters (U+2500 .. U+259F) by a 210by replacing all line-drawing characters (U+2500 .. U+259F) by a
172similar-looking ascii character. 211similar-looking ascii character.
178=item example-refresh-hooks 217=item example-refresh-hooks
179 218
180Displays a very simple digital clock in the upper right corner of the 219Displays a very simple digital clock in the upper right corner of the
181window. Illustrates overwriting the refresh callbacks to create your own 220window. Illustrates overwriting the refresh callbacks to create your own
182overlays or changes. 221overlays or changes.
222
223=item selection-pastebin
224
225This is a little rarely useful extension that Uploads the selection as
226textfile to a remote site (or does other things). (The implementation is
227not currently secure for use in a multiuser environment as it writes to
228F</tmp> directly.).
229
230It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
231i.e.
232
233 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
234
235Pressing this combination runs a command with C<%> replaced by the name of
236the textfile. This command can be set via a resource:
237
238 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
239
240And the default is likely not useful to anybody but the few people around
241here :)
242
243The name of the textfile is the hex encoded md5 sum of the selection, so
244the same content should lead to the same filename.
245
246After a successful upload the selection will be replaced by the text given
247in the C<selection-pastebin-url> resource (again, the % is the placeholder
248for the filename):
249
250 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
183 251
184=back 252=back
185 253
186=head1 API DOCUMENTATION 254=head1 API DOCUMENTATION
187 255
260called whenever the relevant event happens. 328called whenever the relevant event happens.
261 329
262The first argument passed to them is an extension oject as described in 330The first argument passed to them is an extension oject as described in
263the in the C<Extension Objects> section. 331the in the C<Extension Objects> section.
264 332
265B<All> of these hooks must return a boolean value. If it is true, then the 333B<All> of these hooks must return a boolean value. If any of the called
266event counts as being I<consumed>, and the invocation of other hooks is 334hooks returns true, then the event counts as being I<consumed>, and the
267skipped, and the relevant action might not be carried out by the C++ code. 335relevant action might not be carried out by the C++ code.
268 336
269I<< When in doubt, return a false value (preferably C<()>). >> 337I<< When in doubt, return a false value (preferably C<()>). >>
270 338
271=over 4 339=over 4
272 340
273=item on_init $term 341=item on_init $term
274 342
275Called after a new terminal object has been initialized, but before 343Called after a new terminal object has been initialized, but before
276windows are created or the command gets run. Most methods are unsafe to 344windows are created or the command gets run. Most methods are unsafe to
277call or deliver senseless data, as terminal size and other characteristics 345call or deliver senseless data, as terminal size and other characteristics
278have not yet been determined. You can safely query and change resources, 346have not yet been determined. You can safely query and change resources
279though. 347and options, though. For many purposes the C<on_start> hook is a better
348place.
349
350=item on_start $term
351
352Called at the very end of initialisation of a new terminal, just before
353trying to map (display) the toplevel and returning to the mainloop.
354
355=item on_destroy $term
356
357Called whenever something tries to destroy terminal, before doing anything
358yet. If this hook returns true, then destruction is skipped, but this is
359rarely a good idea.
280 360
281=item on_reset $term 361=item on_reset $term
282 362
283Called after the screen is "reset" for any reason, such as resizing or 363Called after the screen is "reset" for any reason, such as resizing or
284control sequences. Here is where you can react on changes to size-related 364control sequences. Here is where you can react on changes to size-related
285variables. 365variables.
286 366
287=item on_start $term 367=item on_child_start $term, $pid
288 368
289Called at the very end of initialisation of a new terminal, just before 369Called just after the child process has been C<fork>ed.
290returning to the mainloop. 370
371=item on_child_exit $term, $status
372
373Called just after the child process has exited. C<$status> is the status
374from C<waitpid>.
291 375
292=item on_sel_make $term, $eventtime 376=item on_sel_make $term, $eventtime
293 377
294Called whenever a selection has been made by the user, but before the 378Called whenever a selection has been made by the user, but before the
295selection text is copied, so changes to the beginning, end or type of the 379selection text is copied, so changes to the beginning, end or type of the
404=item on_focus_out $term 488=item on_focus_out $term
405 489
406Called wheneever the window loses keyboard focus, before rxvt-unicode does 490Called wheneever the window loses keyboard focus, before rxvt-unicode does
407focus out processing. 491focus out processing.
408 492
493=item on_configure_notify $term, $event
494
495=item on_property_notify $term, $event
496
409=item on_key_press $term, $event, $keysym, $octets 497=item on_key_press $term, $event, $keysym, $octets
410 498
411=item on_key_release $term, $event, $keysym 499=item on_key_release $term, $event, $keysym
412 500
413=item on_button_press $term, $event 501=item on_button_press $term, $event
422 510
423Called whenever the corresponding X event is received for the terminal If 511Called whenever the corresponding X event is received for the terminal If
424the hook returns true, then the even will be ignored by rxvt-unicode. 512the hook returns true, then the even will be ignored by rxvt-unicode.
425 513
426The event is a hash with most values as named by Xlib (see the XEvent 514The event is a hash with most values as named by Xlib (see the XEvent
427manpage), with the additional members C<row> and C<col>, which are the row 515manpage), with the additional members C<row> and C<col>, which are the
428and column under the mouse cursor. 516(real, not screen-based) row and column under the mouse cursor.
429 517
430C<on_key_press> additionally receives the string rxvt-unicode would 518C<on_key_press> additionally receives the string rxvt-unicode would
431output, if any, in locale-specific encoding. 519output, if any, in locale-specific encoding.
432 520
433subwindow. 521subwindow.
522
523=item on_client_message $term, $event
524
525=item on_wm_protocols $term, $event
526
527=item on_wm_delete_window $term, $event
528
529Called when various types of ClientMessage events are received (all with
530format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
434 531
435=back 532=back
436 533
437=cut 534=cut
438 535
444use Scalar::Util (); 541use Scalar::Util ();
445use List::Util (); 542use List::Util ();
446 543
447our $VERSION = 1; 544our $VERSION = 1;
448our $TERM; 545our $TERM;
546our @TERM_INIT;
547our @TERM_EXT;
449our @HOOKNAME; 548our @HOOKNAME;
450our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 549our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
451our %OPTION; 550our %OPTION;
452 551
453our $LIBDIR; 552our $LIBDIR;
454our $RESNAME; 553our $RESNAME;
455our $RESCLASS; 554our $RESCLASS;
456our $RXVTNAME; 555our $RXVTNAME;
457 556
557our $NOCHAR = chr 0xfffe;
558
458=head2 Variables in the C<urxvt> Package 559=head2 Variables in the C<urxvt> Package
459 560
460=over 4 561=over 4
461 562
462=item $urxvt::LIBDIR 563=item $urxvt::LIBDIR
474 575
475=item $urxvt::TERM 576=item $urxvt::TERM
476 577
477The current terminal. This variable stores the current C<urxvt::term> 578The current terminal. This variable stores the current C<urxvt::term>
478object, whenever a callback/hook is executing. 579object, whenever a callback/hook is executing.
580
581=item @urxvt::TERM_INIT
582
583All coderefs in this array will be called as methods of the next newly
584created C<urxvt::term> object (during the C<on_init> phase). The array
585gets cleared before the codereferences that were in it are being executed,
586so coderefs can push themselves onto it again if they so desire.
587
588This complements to the perl-eval commandline option, but gets executed
589first.
590
591=item @urxvt::TERM_EXT
592
593Works similar to C<@TERM_INIT>, but contains perl package/class names, which
594get registered as normal extensions after calling the hooks in C<@TERM_INIT>
595but before other extensions. Gets cleared just like C<@TERM_INIT>.
479 596
480=back 597=back
481 598
482=head2 Functions in the C<urxvt> Package 599=head2 Functions in the C<urxvt> Package
483 600
583=back 700=back
584 701
585=cut 702=cut
586 703
587BEGIN { 704BEGIN {
588 urxvt->bootstrap;
589
590 # overwrite perl's warn 705 # overwrite perl's warn
591 *CORE::GLOBAL::warn = sub { 706 *CORE::GLOBAL::warn = sub {
592 my $msg = join "", @_; 707 my $msg = join "", @_;
593 $msg .= "\n" 708 $msg .= "\n"
594 unless $msg =~ /\n$/; 709 unless $msg =~ /\n$/;
595 urxvt::warn ($msg); 710 urxvt::warn ($msg);
596 }; 711 };
597
598 # %ENV is the original startup environment
599 delete $ENV{IFS};
600 delete $ENV{CDPATH};
601 delete $ENV{BASH_ENV};
602 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
603} 712}
604 713
605my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 714my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
606 715
607sub verbose { 716sub verbose {
608 my ($level, $msg) = @_; 717 my ($level, $msg) = @_;
609 warn "$msg\n" if $level <= $verbosity; 718 warn "$msg\n" if $level <= $verbosity;
610} 719}
611 720
612my $extension_pkg = "extension0000";
613my %extension_pkg; 721my %extension_pkg;
614 722
615# load a single script into its own package, once only 723# load a single script into its own package, once only
616sub extension_package($) { 724sub extension_package($) {
617 my ($path) = @_; 725 my ($path) = @_;
618 726
619 $extension_pkg{$path} ||= do { 727 $extension_pkg{$path} ||= do {
620 my $pkg = "urxvt::" . ($extension_pkg++); 728 $path =~ /([^\/\\]+)$/;
729 my $pkg = $1;
730 $pkg =~ s/[^[:word:]]/_/g;
731 $pkg = "urxvt::ext::$pkg";
621 732
622 verbose 3, "loading extension '$path' into package '$pkg'"; 733 verbose 3, "loading extension '$path' into package '$pkg'";
623 734
624 open my $fh, "<:raw", $path 735 open my $fh, "<:raw", $path
625 or die "$path: $!"; 736 or die "$path: $!";
626 737
627 my $source = 738 my $source =
628 "package $pkg; use strict; use utf8;\n" 739 "package $pkg; use strict; use utf8;\n"
629 . "use base urxvt::term::extension::;\n"
630 . "#line 1 \"$path\"\n{\n" 740 . "#line 1 \"$path\"\n{\n"
631 . (do { local $/; <$fh> }) 741 . (do { local $/; <$fh> })
632 . "\n};\n1"; 742 . "\n};\n1";
633 743
634 eval $source 744 eval $source
648 if ($htype == 0) { # INIT 758 if ($htype == 0) { # INIT
649 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 759 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
650 760
651 my %ext_arg; 761 my %ext_arg;
652 762
763 {
764 my @init = @TERM_INIT;
765 @TERM_INIT = ();
766 $_->($TERM) for @init;
767 my @pkg = @TERM_EXT;
768 @TERM_EXT = ();
769 $TERM->register_package ($_) for @pkg;
770 }
771
653 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 772 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
654 if ($_ eq "default") { 773 if ($_ eq "default") {
655 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 774 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback);
656 } elsif (/^-(.*)$/) { 775 } elsif (/^-(.*)$/) {
657 delete $ext_arg{$1}; 776 delete $ext_arg{$1};
658 } elsif (/^([^<]+)<(.*)>$/) { 777 } elsif (/^([^<]+)<(.*)>$/) {
683 if $verbosity >= 10; 802 if $verbosity >= 10;
684 803
685 keys %$cb; 804 keys %$cb;
686 805
687 while (my ($pkg, $cb) = each %$cb) { 806 while (my ($pkg, $cb) = each %$cb) {
688 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 807 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
689 and last; 808 $retval ||= $retval_;
690 809
691 if ($@) { 810 if ($@) {
692 $TERM->ungrab; # better to lose the grab than the session 811 $TERM->ungrab; # better to lose the grab than the session
693 warn $@; 812 warn $@;
694 } 813 }
705 # clear package 824 # clear package
706 %$TERM = (); 825 %$TERM = ();
707 } 826 }
708 827
709 $retval 828 $retval
710}
711
712sub exec_async(@) {
713 my $pid = fork;
714
715 return
716 if !defined $pid or $pid;
717
718 %ENV = %{ $TERM->env };
719
720 exec @_;
721 _exit 255;
722} 829}
723 830
724# urxvt::term::extension 831# urxvt::term::extension
725 832
726package urxvt::term::extension; 833package urxvt::term::extension;
865# find on_xxx subs in the package and register them 972# find on_xxx subs in the package and register them
866# as hooks 973# as hooks
867sub register_package { 974sub register_package {
868 my ($self, $pkg, $argv) = @_; 975 my ($self, $pkg, $argv) = @_;
869 976
977 no strict 'refs';
978
979 urxvt::verbose 6, "register package $pkg to $self";
980
981 @{"$pkg\::ISA"} = urxvt::term::extension::;
982
870 my $proxy = bless { 983 my $proxy = bless {
871 _pkg => $pkg, 984 _pkg => $pkg,
872 argv => $argv, 985 argv => $argv,
873 }, $pkg; 986 }, $pkg;
874 Scalar::Util::weaken ($proxy->{term} = $self); 987 Scalar::Util::weaken ($proxy->{term} = $self);
905 1018
906Destroy the terminal object (close the window, free resources 1019Destroy the terminal object (close the window, free resources
907etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event 1020etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
908watchers (timers, io watchers) are still active. 1021watchers (timers, io watchers) are still active.
909 1022
1023=item $term->exec_async ($cmd[, @args])
1024
1025Works like the combination of the C<fork>/C<exec> builtins, which executes
1026("starts") programs in the background. This function takes care of setting
1027the user environment before exec'ing the command (e.g. C<PATH>) and should
1028be preferred over explicit calls to C<exec> or C<system>.
1029
1030Returns the pid of the subprocess or C<undef> on error.
1031
1032=cut
1033
1034sub exec_async {
1035 my $self = shift;
1036
1037 my $pid = fork;
1038
1039 return $pid
1040 if !defined $pid or $pid;
1041
1042 %ENV = %{ $self->env };
1043
1044 exec @_;
1045 urxvt::_exit 255;
1046}
1047
910=item $isset = $term->option ($optval[, $set]) 1048=item $isset = $term->option ($optval[, $set])
911 1049
912Returns true if the option specified by C<$optval> is enabled, and 1050Returns true if the option specified by C<$optval> is enabled, and
913optionally change it. All option values are stored by name in the hash 1051optionally change it. All option values are stored by name in the hash
914C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1052C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
916Here is a a likely non-exhaustive list of option names, please see the 1054Here is a a likely non-exhaustive list of option names, please see the
917source file F</src/optinc.h> to see the actual list: 1055source file F</src/optinc.h> to see the actual list:
918 1056
919 borderLess console cursorBlink cursorUnderline hold iconic insecure 1057 borderLess console cursorBlink cursorUnderline hold iconic insecure
920 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1058 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
921 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1059 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
922 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1060 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
923 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1061 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
924 tripleclickwords utmpInhibit visualBell 1062 transparent tripleclickwords utmpInhibit visualBell
925 1063
926=item $value = $term->resource ($name[, $newval]) 1064=item $value = $term->resource ($name[, $newval])
927 1065
928Returns the current resource value associated with a given name and 1066Returns the current resource value associated with a given name and
929optionally sets a new value. Setting values is most useful in the C<init> 1067optionally sets a new value. Setting values is most useful in the C<init>
946 1084
947 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1085 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
948 borderLess color cursorBlink cursorUnderline cutchars delete_key 1086 borderLess color cursorBlink cursorUnderline cutchars delete_key
949 display_name embed ext_bwidth fade font geometry hold iconName 1087 display_name embed ext_bwidth fade font geometry hold iconName
950 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1088 imFont imLocale inputMethod insecure int_bwidth intensityStyles
951 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1089 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
952 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1090 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
953 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1091 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
954 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1092 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
955 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1093 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
956 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1094 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
957 shade term_name title transparent transparent_all tripleclickwords 1095 secondaryScreen secondaryScroll selectstyle shade term_name title
958 utmpInhibit visualBell 1096 transient_for transparent transparent_all tripleclickwords utmpInhibit
1097 visualBell
959 1098
960=cut 1099=cut
961 1100
962sub resource($$;$) { 1101sub resource($$;$) {
963 my ($self, $name) = (shift, shift); 1102 my ($self, $name) = (shift, shift);
1136string is a normal text string, not in locale-dependent encoding. 1275string is a normal text string, not in locale-dependent encoding.
1137 1276
1138Normally its not a good idea to use this function, as programs might be 1277Normally its not a good idea to use this function, as programs might be
1139confused by changes in cursor position or scrolling. Its useful inside a 1278confused by changes in cursor position or scrolling. Its useful inside a
1140C<on_add_lines> hook, though. 1279C<on_add_lines> hook, though.
1280
1281=item $term->scr_change_screen ($screen)
1282
1283Switch to given screen - 0 primary, 1 secondary.
1141 1284
1142=item $term->cmd_parse ($octets) 1285=item $term->cmd_parse ($octets)
1143 1286
1144Similar to C<scr_add_lines>, but the argument must be in the 1287Similar to C<scr_add_lines>, but the argument must be in the
1145locale-specific encoding of the terminal and can contain command sequences 1288locale-specific encoding of the terminal and can contain command sequences
1229=item $modifiermask = $term->ModNumLockMask 1372=item $modifiermask = $term->ModNumLockMask
1230 1373
1231Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1374Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1232AltGr), the meta key (often Alt) and the num lock key, if applicable. 1375AltGr), the meta key (often Alt) and the num lock key, if applicable.
1233 1376
1377=item $screen = $term->current_screen
1378
1379Returns the currently displayed screen (0 primary, 1 secondary).
1380
1234=item $view_start = $term->view_start ([$newvalue]) 1381=item $view_start = $term->view_start ([$newvalue])
1235 1382
1236Returns the row number of the topmost displayed line. Maximum value is 1383Returns the row number of the topmost displayed line. Maximum value is
1237C<0>, which displays the normal terminal contents. Lower values scroll 1384C<0>, which displays the normal terminal contents. Lower values scroll
1238this many lines into the scrollback buffer. 1385this many lines into the scrollback buffer.
1256If C<$new_text> is specified, it will replace characters in the current 1403If C<$new_text> is specified, it will replace characters in the current
1257line, starting at column C<$start_col> (default C<0>), which is useful 1404line, starting at column C<$start_col> (default C<0>), which is useful
1258to replace only parts of a line. The font index in the rendition will 1405to replace only parts of a line. The font index in the rendition will
1259automatically be updated. 1406automatically be updated.
1260 1407
1261C<$text> is in a special encoding: tabs and wide characters that use more 1408C<$text> is in a special encoding: tabs and wide characters that use
1262than one cell when displayed are padded with urxvt::NOCHAR characters 1409more than one cell when displayed are padded with C<$urxvt::NOCHAR>
1263(C<chr 65535>). Characters with combining characters and other characters 1410characters. Characters with combining characters and other characters that
1264that do not fit into the normal tetx encoding will be replaced with 1411do not fit into the normal tetx encoding will be replaced with characters
1265characters in the private use area. 1412in the private use area.
1266 1413
1267You have to obey this encoding when changing text. The advantage is 1414You have to obey this encoding when changing text. The advantage is
1268that C<substr> and similar functions work on screen cells and not on 1415that C<substr> and similar functions work on screen cells and not on
1269characters. 1416characters.
1270 1417
1445 1592
1446Calls XUngrab for the most recent grab. Is called automatically on 1593Calls XUngrab for the most recent grab. Is called automatically on
1447evaluation errors, as it is better to lose the grab in the error case as 1594evaluation errors, as it is better to lose the grab in the error case as
1448the session. 1595the session.
1449 1596
1597=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1598
1599=item $atom_name = $term->XGetAtomName ($atom)
1600
1601=item @atoms = $term->XListProperties ($window)
1602
1603=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1604
1605=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
1606
1607=item $term->XDeleteProperty ($window, $property)
1608
1609=item $window = $term->DefaultRootWindow
1610
1611=item $term->XReparentWindow ($window, $parent, [$x, $y])
1612
1613=item $term->XMapWindow ($window)
1614
1615=item $term->XUnmapWindow ($window)
1616
1617=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1618
1619=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1620
1621=item $term->XChangeInput ($window, $add_events[, $del_events])
1622
1623Various X or X-related functions. The C<$term> object only serves as
1624the source of the display, otherwise those functions map more-or-less
1625directory onto the X functions of the same name.
1626
1450=back 1627=back
1451 1628
1452=cut 1629=cut
1453 1630
1454package urxvt::popup; 1631package urxvt::popup;
1555 my $env = $self->{term}->env; 1732 my $env = $self->{term}->env;
1556 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. 1733 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1557 delete $env->{LC_ALL}; 1734 delete $env->{LC_ALL};
1558 $env->{LC_CTYPE} = $self->{term}->locale; 1735 $env->{LC_CTYPE} = $self->{term}->locale;
1559 1736
1560 urxvt::term->new ($env, $self->{term}->resource ("name"), 1737 urxvt::term->new ($env, "popup",
1561 "--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 1738 "--perl-lib" => "", "--perl-ext-common" => "",
1739 "-pty-fd" => -1, "-sl" => 0,
1740 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1562 "--transient-for" => $self->{term}->parent, 1741 "--transient-for" => $self->{term}->parent,
1563 "-display" => $self->{term}->display_id, 1742 "-display" => $self->{term}->display_id,
1564 "-pe" => "urxvt-popup") 1743 "-pe" => "urxvt-popup")
1565 or die "unable to create popup window\n"; 1744 or die "unable to create popup window\n";
1566} 1745}
1571 delete $self->{term}{_destroy}{$self}; 1750 delete $self->{term}{_destroy}{$self};
1572 $self->{term}->ungrab; 1751 $self->{term}->ungrab;
1573} 1752}
1574 1753
1575=back 1754=back
1755
1756=cut
1757
1758package urxvt::watcher;
1759
1760@urxvt::timer::ISA = __PACKAGE__;
1761@urxvt::iow::ISA = __PACKAGE__;
1762@urxvt::pw::ISA = __PACKAGE__;
1763@urxvt::iw::ISA = __PACKAGE__;
1576 1764
1577=head2 The C<urxvt::timer> Class 1765=head2 The C<urxvt::timer> Class
1578 1766
1579This class implements timer watchers/events. Time is represented as a 1767This class implements timer watchers/events. Time is represented as a
1580fractional number of seconds since the epoch. Example: 1768fractional number of seconds since the epoch. Example:
1618Start the timer. 1806Start the timer.
1619 1807
1620=item $timer = $timer->start ($tstamp) 1808=item $timer = $timer->start ($tstamp)
1621 1809
1622Set the event trigger time to C<$tstamp> and start the timer. 1810Set the event trigger time to C<$tstamp> and start the timer.
1811
1812=item $timer = $timer->after ($delay)
1813
1814Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1623 1815
1624=item $timer = $timer->stop 1816=item $timer = $timer->stop
1625 1817
1626Stop the timer. 1818Stop the timer.
1627 1819
1674 1866
1675Stop watching for events on the given filehandle. 1867Stop watching for events on the given filehandle.
1676 1868
1677=back 1869=back
1678 1870
1871=head2 The C<urxvt::iw> Class
1872
1873This class implements idle watchers, that get called automatically when
1874the process is idle. They should return as fast as possible, after doing
1875some useful work.
1876
1877=over 4
1878
1879=item $iw = new urxvt::iw
1880
1881Create a new idle watcher object in stopped state.
1882
1883=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1884
1885Set the callback to be called when the watcher triggers.
1886
1887=item $timer = $timer->start
1888
1889Start the watcher.
1890
1891=item $timer = $timer->stop
1892
1893Stop the watcher.
1894
1895=back
1896
1897=head2 The C<urxvt::pw> Class
1898
1899This class implements process watchers. They create an event whenever a
1900process exits, after which they stop automatically.
1901
1902 my $pid = fork;
1903 ...
1904 $term->{pw} = urxvt::pw
1905 ->new
1906 ->start ($pid)
1907 ->cb (sub {
1908 my ($pw, $exit_status) = @_;
1909 ...
1910 });
1911
1912=over 4
1913
1914=item $pw = new urxvt::pw
1915
1916Create a new process watcher in stopped state.
1917
1918=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1919
1920Set the callback to be called when the timer triggers.
1921
1922=item $pw = $timer->start ($pid)
1923
1924Tells the wqtcher to start watching for process C<$pid>.
1925
1926=item $pw = $pw->stop
1927
1928Stop the watcher.
1929
1930=back
1931
1679=head1 ENVIRONMENT 1932=head1 ENVIRONMENT
1680 1933
1681=head2 URXVT_PERL_VERBOSITY 1934=head2 URXVT_PERL_VERBOSITY
1682 1935
1683This variable controls the verbosity level of the perl extension. Higher 1936This variable controls the verbosity level of the perl extension. Higher

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