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Revision 1.243 by sf-exg, Sat Oct 11 22:02:50 2014 UTC vs.
Revision 1.257 by root, Thu Jul 13 10:31:27 2017 UTC

43 43
44Or by adding them to the resource for extensions loaded by default: 44Or by adding them to the resource for extensions loaded by default:
45 45
46 URxvt.perl-ext-common: default,selection-autotransform 46 URxvt.perl-ext-common: default,selection-autotransform
47 47
48Extensions may add resources on their own. Similarly to builtin 48Extensions may add additional resources and C<actions>, i.e., methods
49resources, these resources can also be specified on the command line 49which can be bound to a key and invoked by the user. An extension can
50as long options (with '.' replaced by '-'), in which case the 50define the resources it support using so called META comments,
51corresponding extension is loaded automatically. 51described below. Similarly to builtin resources, extension resources
52can also be specified on the command line as long options (with C<.>
53replaced by C<->), in which case the corresponding extension is loaded
54automatically. For this to work the extension B<must> define META
55comments for its resources.
52 56
53=head1 API DOCUMENTATION 57=head1 API DOCUMENTATION
54 58
55=head2 General API Considerations 59=head2 General API Considerations
56 60
108C<urxvt::term> class on this object. 112C<urxvt::term> class on this object.
109 113
110Additional methods only supported for extension objects are described in 114Additional methods only supported for extension objects are described in
111the C<urxvt::extension> section below. 115the C<urxvt::extension> section below.
112 116
117=head2 META comments
118
119Rxvt-unicode recognizes special meta comments in extensions that define
120different types of metadata.
121
122Currently, it recognises only one such comment:
123
124=over 4
125
126=item #:META:RESOURCE:name:type:desc
127
128The RESOURCE comment defines a resource used by the extension, where
129C<name> is the resource name, C<type> is the resource type, C<boolean>
130or C<string>, and C<desc> is the resource description.
131
132=back
133
113=head2 Hooks 134=head2 Hooks
114 135
115The following subroutines can be declared in extension files, and will be 136The following subroutines can be declared in extension files, and will be
116called whenever the relevant event happens. 137called whenever the relevant event happens.
117 138
282code is run after this hook, and takes precedence. 303code is run after this hook, and takes precedence.
283 304
284=item on_refresh_end $term 305=item on_refresh_end $term
285 306
286Called just after the screen gets redrawn. See C<on_refresh_begin>. 307Called just after the screen gets redrawn. See C<on_refresh_begin>.
308
309=item on_action $term, $string
310
311Called whenever an action is invoked for the corresponding extension
312(e.g. via a C<extension:string> builtin action bound to a key, see
313description of the B<keysym> resource in the urxvt(1) manpage). The
314event is simply the action string. Note that an action event is always
315associated to a single extension.
287 316
288=item on_user_command $term, $string *DEPRECATED* 317=item on_user_command $term, $string *DEPRECATED*
289 318
290Called whenever a user-configured event is being activated (e.g. via 319Called whenever a user-configured event is being activated (e.g. via
291a C<perl:string> action bound to a key, see description of the B<keysym> 320a C<perl:string> action bound to a key, see description of the B<keysym>
482ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify, 511ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
483CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest, 512CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
484SelectionNotify, ColormapNotify, ClientMessage, MappingNotify 513SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
485 514
486Various constants for use in X calls and event processing. 515Various constants for use in X calls and event processing.
516
517=item urxvt::PrivMode_132, PrivMode_132OK, PrivMode_rVideo, PrivMode_relOrigin,
518PrivMode_Screen, PrivMode_Autowrap, PrivMode_aplCUR, PrivMode_aplKP,
519PrivMode_HaveBackSpace, PrivMode_BackSpace, PrivMode_ShiftKeys,
520PrivMode_VisibleCursor, PrivMode_MouseX10, PrivMode_MouseX11,
521PrivMode_scrollBar, PrivMode_TtyOutputInh, PrivMode_Keypress,
522PrivMode_smoothScroll, PrivMode_vt52, PrivMode_LFNL, PrivMode_MouseBtnEvent,
523PrivMode_MouseAnyEvent, PrivMode_BracketPaste, PrivMode_ExtModeMouse,
524PrivMode_ExtMouseRight, PrivMode_BlinkingCursor, PrivMode_mouse_report,
525PrivMode_Default
526
527Constants for checking DEC private modes.
487 528
488=back 529=back
489 530
490=head2 RENDITION 531=head2 RENDITION
491 532
575 if ($pattern eq $prefix) { 616 if ($pattern eq $prefix) {
576 $name = "$urxvt::RESCLASS.$k$suffix"; 617 $name = "$urxvt::RESCLASS.$k$suffix";
577 618
578 push @{ $term->{perl_ext_3} }, $v->[0]; 619 push @{ $term->{perl_ext_3} }, $v->[0];
579 620
621 return 1 unless $isarg;
622
580 if ($v->[1] eq "boolean") { 623 if ($v->[1] eq "boolean") {
581 $term->put_option_db ($name, $flag ? "true" : "false"); 624 $term->put_option_db ($name, $flag ? "true" : "false");
582 return 1; 625 return 1;
583 } else { 626 } else {
584 $term->put_option_db ($name, $value); 627 $term->put_option_db ($name, $value);
685 @{ delete $TERM->{perl_ext_3} } 728 @{ delete $TERM->{perl_ext_3} }
686 ) { 729 ) {
687 if ($_ eq "default") { 730 if ($_ eq "default") {
688 731
689 $ext_arg{$_} = [] 732 $ext_arg{$_} = []
690 for
691 qw(selection option-popup selection-popup readline), 733 for qw(selection option-popup selection-popup readline searchable-scrollback);
692 map $_->[0], values %{ $TERM->{meta}{binding} };
693 734
694 for ($TERM->_keysym_resources) { 735 for ($TERM->_keysym_resources) {
695 next if /^(?:string|command|builtin|builtin-string|perl)/; 736 next if /^(?:string|command|builtin|builtin-string|perl)/;
696 next unless /^([A-Za-z0-9_\-]+):/; 737 next unless /^([A-Za-z0-9_\-]+):/;
697 738
706 } elsif (/^([^<]+)<(.*)>$/) { 747 } elsif (/^([^<]+)<(.*)>$/) {
707 push @{ $ext_arg{$1} }, $2; 748 push @{ $ext_arg{$1} }, $2;
708 749
709 } else { 750 } else {
710 $ext_arg{$_} ||= []; 751 $ext_arg{$_} ||= [];
711 }
712 }
713
714 # now register default key bindings
715 for my $ext (sort keys %ext_arg) {
716 while (my ($k, $v) = each %{ $TERM->{meta}{ext}{$ext}{binding} }) {
717 $TERM->bind_action ($k, "$v->[0]:$v->[1]");
718 } 752 }
719 } 753 }
720 754
721 for my $ext (sort keys %ext_arg) { 755 for my $ext (sort keys %ext_arg) {
722 my @files = grep -f $_, map "$_/$ext", @dirs; 756 my @files = grep -f $_, map "$_/$ext", @dirs;
945 } 979 }
946 980
947 bless \%disable, "urxvt::extension::on_disable" 981 bless \%disable, "urxvt::extension::on_disable"
948} 982}
949 983
984=item $self->bind_action ($hotkey, $action)
985
950=item $self->x_resource ($pattern) 986=item $self->x_resource ($pattern)
951 987
952=item $self->x_resource_boolean ($pattern) 988=item $self->x_resource_boolean ($pattern)
953 989
954These methods support an additional C<%> prefix when called on an 990These methods support an additional C<%> prefix for C<$action> or
955extension object - see the description of these methods in the 991C<$pattern> when called on an extension object, compared to the
992C<urxvt::term> methods of the same name - see the description of these
956C<urxvt::term> class for details. 993methods in the C<urxvt::term> class for details.
957 994
958=cut 995=cut
996
997sub bind_action {
998 my ($self, $hotkey, $action) = @_;
999 $action =~ s/^%:/$_[0]{_name}:/;
1000 $self->{term}->bind_action ($hotkey, $action)
1001}
959 1002
960sub x_resource { 1003sub x_resource {
961 my ($self, $name) = @_; 1004 my ($self, $name) = @_;
962 $name =~ s/^%(\.|$)/$_[0]{_name}$1/; 1005 $name =~ s/^%(\.|$)/$_[0]{_name}$1/;
963 $self->{term}->x_resource ($name) 1006 $self->{term}->x_resource ($name)
1104sub scan_extensions { 1147sub scan_extensions {
1105 my ($self) = @_; 1148 my ($self) = @_;
1106 1149
1107 return if exists $self->{meta}; 1150 return if exists $self->{meta};
1108 1151
1109 my @libdirs = perl_libdirs $self; 1152 my @urxvtdirs = perl_libdirs $self;
1153# my @cpandirs = grep -d, map "$_/URxvt/Ext", @INC;
1110 1154
1111# return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d#
1112
1113# $self->{meta_libdirs} = join "\x00", @libdirs;#d#
1114 $self->{meta} = \my %meta; 1155 $self->{meta} = \my %meta;
1115 1156
1116 # first gather extensions 1157 # first gather extensions
1117 for my $dir (reverse @libdirs) { 1158
1159 my $gather = sub {
1160 my ($dir, $core) = @_;
1161
1118 opendir my $fh, $dir 1162 opendir my $fh, $dir
1119 or next; 1163 or return;
1164
1120 for my $ext (readdir $fh) { 1165 for my $ext (readdir $fh) {
1121 $ext !~ /^\./ 1166 $ext !~ /^\./
1167 or next;
1168
1122 and open my $fh, "<", "$dir/$ext" 1169 open my $fh, "<", "$dir/$ext"
1170 or next;
1171
1172 -f $fh
1173 or next;
1174
1175 $ext =~ s/\.uext$// or $core
1123 or next; 1176 or next;
1124 1177
1125 my %ext = (dir => $dir); 1178 my %ext = (dir => $dir);
1126 1179
1127 while (<$fh>) { 1180 while (<$fh>) {
1131 if ($pattern =~ /[^a-zA-Z0-9\-\.]/) { 1184 if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
1132 warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n"; 1185 warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
1133 } else { 1186 } else {
1134 $ext{resource}{$pattern} = [$ext, $type, $desc]; 1187 $ext{resource}{$pattern} = [$ext, $type, $desc];
1135 } 1188 }
1136 } elsif (/^#:META:BINDING:(.*)/) {
1137 my ($keysym, $action) = split /:/, $1;
1138 $ext{binding}{$keysym} = [$ext, $action];
1139 } elsif (/^\s*(?:#|$)/) { 1189 } elsif (/^\s*(?:#|$)/) {
1140 # skip other comments and empty lines 1190 # skip other comments and empty lines
1141 } else { 1191 } else {
1142 last; # stop parsing on first non-empty non-comment line 1192 last; # stop parsing on first non-empty non-comment line
1143 } 1193 }
1144 } 1194 }
1145 1195
1146 $meta{ext}{$ext} = \%ext; 1196 $meta{ext}{$ext} = \%ext;
1147 } 1197 }
1148 } 1198 };
1149 1199
1200# $gather->($_, 0) for @cpandirs;
1201 $gather->($_, 1) for @urxvtdirs;
1202
1150 # and now merge resources and bindings 1203 # and now merge resources
1204
1205 $meta{resource} = \my %resource;
1206
1151 while (my ($k, $v) = each %{ $meta{ext} }) { 1207 while (my ($k, $v) = each %{ $meta{ext} }) {
1152 #TODO: should check for extensions overriding each other 1208 #TODO: should check for extensions overriding each other
1153 %{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} }); 1209 %resource = (%resource, %{ $v->{resource} });
1154 %{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
1155 } 1210 }
1156} 1211}
1157 1212
1158=item $term = new urxvt::term $envhashref, $rxvtname, [arg...] 1213=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1159 1214
1282 1337
1283If the method is called on an extension object (basically, from an 1338If the method is called on an extension object (basically, from an
1284extension), then the special prefix C<%.> will be replaced by the name of 1339extension), then the special prefix C<%.> will be replaced by the name of
1285the extension and a dot, and the lone string C<%> will be replaced by the 1340the extension and a dot, and the lone string C<%> will be replaced by the
1286extension name itself. This makes it possible to code extensions so you 1341extension name itself. This makes it possible to code extensions so you
1287can rename them and get a new set of commandline switches and resources 1342can rename them and get a new set of resources without having to change
1288without having to change the actual code. 1343the actual code.
1289 1344
1290This method should only be called during the C<on_start> hook, as there is 1345This method should only be called during the C<on_start> hook, as there is
1291only one resource database per display, and later invocations might return 1346only one resource database per display, and later invocations might return
1292the wrong resources. 1347the wrong resources.
1293 1348
1305 my $res = &x_resource; 1360 my $res = &x_resource;
1306 1361
1307 $res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0 1362 $res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
1308} 1363}
1309 1364
1365=item $action = $term->lookup_keysym ($keysym, $state)
1366
1367Returns the action bound to key combination C<($keysym, $state)>,
1368if a binding for it exists, and C<undef> otherwise.
1369
1310=item $success = $term->bind_action ($key, $octets) 1370=item $success = $term->bind_action ($key, $action)
1311 1371
1312Adds a key binding exactly as specified via a C<keysym> resource. See the 1372Adds a key binding exactly as specified via a C<keysym> resource. See the
1313C<keysym> resource in the urxvt(1) manpage. 1373C<keysym> resource in the urxvt(1) manpage.
1374
1375To add default bindings for actions, an extension should call C<<
1376->bind_action >> in its C<init> hook for every such binding. Doing it
1377in the C<init> hook allows users to override or remove the binding
1378again.
1379
1380Example: the C<searchable-scrollback> by default binds itself
1381on C<Meta-s>, using C<< $self->bind_action >>, which calls C<<
1382$term->bind_action >>.
1383
1384 sub init {
1385 my ($self) = @_;
1386
1387 $self->bind_action ("M-s" => "%:start");
1388 }
1314 1389
1315=item $rend = $term->rstyle ([$new_rstyle]) 1390=item $rend = $term->rstyle ([$new_rstyle])
1316 1391
1317Return and optionally change the current rendition. Text that is output by 1392Return and optionally change the current rendition. Text that is output by
1318the terminal application will use this style. 1393the terminal application will use this style.
1476 1551
1477=item $term->scr_add_lines ($string) 1552=item $term->scr_add_lines ($string)
1478 1553
1479Write the given text string to the screen, as if output by the application 1554Write the given text string to the screen, as if output by the application
1480running inside the terminal. It may not contain command sequences (escape 1555running inside the terminal. It may not contain command sequences (escape
1481codes), but is free to use line feeds, carriage returns and tabs. The 1556codes - see C<cmd_parse> for that), but is free to use line feeds,
1482string is a normal text string, not in locale-dependent encoding. 1557carriage returns and tabs. The string is a normal text string, not in
1558locale-dependent encoding.
1483 1559
1484Normally its not a good idea to use this function, as programs might be 1560Normally its not a good idea to use this function, as programs might be
1485confused by changes in cursor position or scrolling. Its useful inside a 1561confused by changes in cursor position or scrolling. Its useful inside a
1486C<on_add_lines> hook, though. 1562C<on_add_lines> hook, though.
1487 1563
1495locale-specific encoding of the terminal and can contain command sequences 1571locale-specific encoding of the terminal and can contain command sequences
1496(escape codes) that will be interpreted. 1572(escape codes) that will be interpreted.
1497 1573
1498=item $term->tt_write ($octets) 1574=item $term->tt_write ($octets)
1499 1575
1500Write the octets given in C<$octets> to the tty (i.e. as program input). To 1576Write the octets given in C<$octets> to the tty (i.e. as user input
1577to the program, see C<cmd_parse> for the opposite direction). To pass
1501pass characters instead of octets, you should convert your strings first 1578characters instead of octets, you should convert your strings first to the
1502to the locale-specific encoding using C<< $term->locale_encode >>. 1579locale-specific encoding using C<< $term->locale_encode >>.
1503 1580
1504=item $term->tt_write_user_input ($octets) 1581=item $term->tt_write_user_input ($octets)
1505 1582
1506Like C<tt_write>, but should be used when writing strings in response to 1583Like C<tt_write>, but should be used when writing strings in response to
1507the user pressing a key, to invoke the additional actions requested by 1584the user pressing a key, to invoke the additional actions requested by
1554 1631
1555=item $term->key_release ($state, $keycode[, $time]) 1632=item $term->key_release ($state, $keycode[, $time])
1556 1633
1557Deliver various fake events to to terminal. 1634Deliver various fake events to to terminal.
1558 1635
1559=item $window_width = $term->width 1636=item $window_width = $term->width ([$new_value])
1560 1637
1561=item $window_height = $term->height 1638=item $window_height = $term->height ([$new_value])
1562 1639
1563=item $font_width = $term->fwidth 1640=item $font_width = $term->fwidth ([$new_value])
1564 1641
1565=item $font_height = $term->fheight 1642=item $font_height = $term->fheight ([$new_value])
1566 1643
1567=item $font_ascent = $term->fbase 1644=item $font_ascent = $term->fbase ([$new_value])
1568 1645
1569=item $terminal_rows = $term->nrow 1646=item $terminal_rows = $term->nrow ([$new_value])
1570 1647
1571=item $terminal_columns = $term->ncol 1648=item $terminal_columns = $term->ncol ([$new_value])
1572 1649
1573=item $has_focus = $term->focus 1650=item $has_focus = $term->focus ([$new_value])
1574 1651
1575=item $is_mapped = $term->mapped 1652=item $is_mapped = $term->mapped ([$new_value])
1576 1653
1577=item $max_scrollback = $term->saveLines 1654=item $max_scrollback = $term->saveLines ([$new_value])
1578 1655
1579=item $nrow_plus_saveLines = $term->total_rows 1656=item $nrow_plus_saveLines = $term->total_rows ([$new_value])
1580 1657
1581=item $topmost_scrollback_row = $term->top_row 1658=item $topmost_scrollback_row = $term->top_row ([$new_value])
1582 1659
1583Return various integers describing terminal characteristics. 1660Return various integers describing terminal characteristics. If an
1661argument is given, changes the value and returns the previous one.
1584 1662
1585=item $x_display = $term->display_id 1663=item $x_display = $term->display_id
1586 1664
1587Return the DISPLAY used by rxvt-unicode. 1665Return the DISPLAY used by rxvt-unicode.
1588 1666
1624Returns the currently displayed screen (0 primary, 1 secondary). 1702Returns the currently displayed screen (0 primary, 1 secondary).
1625 1703
1626=item $cursor_is_hidden = $term->hidden_cursor 1704=item $cursor_is_hidden = $term->hidden_cursor
1627 1705
1628Returns whether the cursor is currently hidden or not. 1706Returns whether the cursor is currently hidden or not.
1707
1708=item $priv_modes = $term->priv_modes
1709
1710Returns a bitset with the state of DEC private modes.
1711
1712Example:
1713
1714 if ($term->priv_modes & urxvt::PrivMode_mouse_report) {
1715 # mouse reporting is turned on
1716 }
1629 1717
1630=item $view_start = $term->view_start ([$newvalue]) 1718=item $view_start = $term->view_start ([$newvalue])
1631 1719
1632Returns the row number of the topmost displayed line. Maximum value is 1720Returns the row number of the topmost displayed line. Maximum value is
1633C<0>, which displays the normal terminal contents. Lower values scroll 1721C<0>, which displays the normal terminal contents. Lower values scroll
1638Requests a screen refresh. At the next opportunity, rxvt-unicode will 1726Requests a screen refresh. At the next opportunity, rxvt-unicode will
1639compare the on-screen display with its stored representation. If they 1727compare the on-screen display with its stored representation. If they
1640differ, it redraws the differences. 1728differ, it redraws the differences.
1641 1729
1642Used after changing terminal contents to display them. 1730Used after changing terminal contents to display them.
1731
1732=item $term->refresh_check
1733
1734Checks if a refresh has been requested and, if so, schedules one.
1643 1735
1644=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 1736=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1645 1737
1646Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >> 1738Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1647is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost 1739is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost

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