| … | |
… | |
| 45 | |
45 | |
| 46 | URxvt.perl-ext-common: default,selection-autotransform |
46 | URxvt.perl-ext-common: default,selection-autotransform |
| 47 | |
47 | |
| 48 | Extensions may add additional resources and C<actions>, i.e., methods |
48 | Extensions may add additional resources and C<actions>, i.e., methods |
| 49 | which can be bound to a key and invoked by the user. An extension can |
49 | which can be bound to a key and invoked by the user. An extension can |
| 50 | define the resources it support and also default bindings for one or |
50 | define the resources it support using so called META comments, |
| 51 | more actions it provides using so called META comments, described |
|
|
| 52 | below. Similarly to builtin resources, extension resources can also be |
51 | described below. Similarly to builtin resources, extension resources |
| 53 | specified on the command line as long options (with C<.> replaced by |
52 | can also be specified on the command line as long options (with C<.> |
| 54 | C<->), in which case the corresponding extension is loaded |
53 | replaced by C<->), in which case the corresponding extension is loaded |
| 55 | automatically. For this to work the extension B<must> define META |
54 | automatically. For this to work the extension B<must> define META |
| 56 | comments for its resources. |
55 | comments for its resources. |
| 57 | |
56 | |
| 58 | =head1 API DOCUMENTATION |
57 | =head1 API DOCUMENTATION |
| 59 | |
58 | |
| … | |
… | |
| 118 | =head2 META comments |
117 | =head2 META comments |
| 119 | |
118 | |
| 120 | Rxvt-unicode recognizes special meta comments in extensions that define |
119 | Rxvt-unicode recognizes special meta comments in extensions that define |
| 121 | different types of metadata. |
120 | different types of metadata. |
| 122 | |
121 | |
| 123 | Currently, it recxognises only one such comment: |
122 | Currently, it recognises only one such comment: |
| 124 | |
123 | |
| 125 | =over 4 |
124 | =over 4 |
| 126 | |
125 | |
| 127 | =item #:META:RESOURCE:name:type:desc |
126 | =item #:META:RESOURCE:name:type:desc |
| 128 | |
127 | |
| … | |
… | |
| 1134 | sub scan_extensions { |
1133 | sub scan_extensions { |
| 1135 | my ($self) = @_; |
1134 | my ($self) = @_; |
| 1136 | |
1135 | |
| 1137 | return if exists $self->{meta}; |
1136 | return if exists $self->{meta}; |
| 1138 | |
1137 | |
| 1139 | my @libdirs = perl_libdirs $self; |
1138 | my @urxvtdirs = perl_libdirs $self; |
|
|
1139 | # my @cpandirs = grep -d, map "$_/URxvt/Ext", @INC; |
| 1140 | |
1140 | |
| 1141 | # return if $self->{meta_libdirs} eq join "\x00", @libdirs;#d# |
|
|
| 1142 | |
|
|
| 1143 | # $self->{meta_libdirs} = join "\x00", @libdirs;#d# |
|
|
| 1144 | $self->{meta} = \my %meta; |
1141 | $self->{meta} = \my %meta; |
| 1145 | |
1142 | |
| 1146 | # first gather extensions |
1143 | # first gather extensions |
| 1147 | for my $dir (reverse @libdirs) { |
1144 | |
|
|
1145 | my $gather = sub { |
|
|
1146 | my ($dir, $core) = @_; |
|
|
1147 | |
| 1148 | opendir my $fh, $dir |
1148 | opendir my $fh, $dir |
| 1149 | or next; |
1149 | or return; |
|
|
1150 | |
| 1150 | for my $ext (readdir $fh) { |
1151 | for my $ext (readdir $fh) { |
| 1151 | $ext !~ /^\./ |
1152 | $ext !~ /^\./ |
|
|
1153 | or next; |
|
|
1154 | |
| 1152 | and open my $fh, "<", "$dir/$ext" |
1155 | open my $fh, "<", "$dir/$ext" |
|
|
1156 | or next; |
|
|
1157 | |
|
|
1158 | -f $fh |
|
|
1159 | or next; |
|
|
1160 | |
|
|
1161 | $ext =~ s/\.uext$// or $core |
| 1153 | or next; |
1162 | or next; |
| 1154 | |
1163 | |
| 1155 | my %ext = (dir => $dir); |
1164 | my %ext = (dir => $dir); |
| 1156 | |
1165 | |
| 1157 | while (<$fh>) { |
1166 | while (<$fh>) { |
| … | |
… | |
| 1170 | } |
1179 | } |
| 1171 | } |
1180 | } |
| 1172 | |
1181 | |
| 1173 | $meta{ext}{$ext} = \%ext; |
1182 | $meta{ext}{$ext} = \%ext; |
| 1174 | } |
1183 | } |
| 1175 | } |
1184 | }; |
|
|
1185 | |
|
|
1186 | # $gather->($_, 0) for @cpandirs; |
|
|
1187 | $gather->($_, 1) for @urxvtdirs; |
| 1176 | |
1188 | |
| 1177 | # and now merge resources |
1189 | # and now merge resources |
|
|
1190 | |
|
|
1191 | $meta{resource} = \my %resource; |
|
|
1192 | |
| 1178 | while (my ($k, $v) = each %{ $meta{ext} }) { |
1193 | while (my ($k, $v) = each %{ $meta{ext} }) { |
| 1179 | #TODO: should check for extensions overriding each other |
1194 | #TODO: should check for extensions overriding each other |
| 1180 | %{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} }); |
1195 | %resource = (%resource, %{ $v->{resource} }); |
| 1181 | } |
1196 | } |
| 1182 | } |
1197 | } |
| 1183 | |
1198 | |
| 1184 | =item $term = new urxvt::term $envhashref, $rxvtname, [arg...] |
1199 | =item $term = new urxvt::term $envhashref, $rxvtname, [arg...] |
| 1185 | |
1200 | |
| … | |
… | |
| 1336 | =item $success = $term->bind_action ($key, $action) |
1351 | =item $success = $term->bind_action ($key, $action) |
| 1337 | |
1352 | |
| 1338 | Adds a key binding exactly as specified via a C<keysym> resource. See the |
1353 | Adds a key binding exactly as specified via a C<keysym> resource. See the |
| 1339 | C<keysym> resource in the urxvt(1) manpage. |
1354 | C<keysym> resource in the urxvt(1) manpage. |
| 1340 | |
1355 | |
| 1341 | To add default bindings for an extension, the extension should call C<< |
1356 | To add default bindings for actions, an extension should call C<< |
| 1342 | ->bind_action >> on it's C<init> hook for every such binding. Doing it |
1357 | ->bind_action >> in its C<init> hook for every such binding. Doing it |
| 1343 | in the C<init> hook allows users the override or remove the the binding |
1358 | in the C<init> hook allows users to override or remove the binding |
| 1344 | again. |
1359 | again. |
| 1345 | |
1360 | |
| 1346 | Example: the C<searchable-scrollback> by default binds itself |
1361 | Example: the C<searchable-scrollback> by default binds itself |
| 1347 | on C<Meta-s>, using C<< $self->bind_action >>, which calls C<< |
1362 | on C<Meta-s>, using C<< $self->bind_action >>, which calls C<< |
| 1348 | $term->bind_action >>. |
1363 | $term->bind_action >>. |
