… | |
… | |
43 | |
43 | |
44 | Or by adding them to the resource for extensions loaded by default: |
44 | Or 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 | |
48 | Extensions may add resources on their own. Similarly to builtin |
48 | Extensions may add additional resources and C<actions>, i.e., methods |
49 | resources, these resources can also be specified on the command line |
49 | which can be bound to a key and invoked by the user. An extension can |
50 | as long options (with '.' replaced by '-'), in which case the |
50 | define the resources it support and also default bindings for one or |
51 | corresponding extension is loaded automatically. |
51 | more actions it provides using so called META comments, described |
|
|
52 | below. Similarly to builtin resources, extension resources can also be |
|
|
53 | specified on the command line as long options (with C<.> replaced by |
|
|
54 | C<->), in which case the corresponding extension is loaded |
|
|
55 | automatically. For this to work the extension B<must> define META |
|
|
56 | comments for its resources. |
52 | |
57 | |
53 | =head1 API DOCUMENTATION |
58 | =head1 API DOCUMENTATION |
54 | |
59 | |
55 | =head2 General API Considerations |
60 | =head2 General API Considerations |
56 | |
61 | |
… | |
… | |
108 | C<urxvt::term> class on this object. |
113 | C<urxvt::term> class on this object. |
109 | |
114 | |
110 | Additional methods only supported for extension objects are described in |
115 | Additional methods only supported for extension objects are described in |
111 | the C<urxvt::extension> section below. |
116 | the C<urxvt::extension> section below. |
112 | |
117 | |
|
|
118 | =head2 META comments |
|
|
119 | |
|
|
120 | rxvt-unicode recognizes special comments in extensions that define |
|
|
121 | different types of metadata: |
|
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122 | |
|
|
123 | =over 4 |
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|
124 | |
|
|
125 | =item #:META:RESOURCE:name:type:desc |
|
|
126 | |
|
|
127 | The RESOURCE comment defines a resource used by the extension, where |
|
|
128 | C<name> is the resource name, C<type> is the resource type, C<boolean> |
|
|
129 | or C<string>, and C<desc> is the resource description. |
|
|
130 | |
|
|
131 | =item #:META:BINDING:sym:action |
|
|
132 | |
|
|
133 | The BINDING comment defines a default binding for an action provided |
|
|
134 | by the extension, where C<sym> is the key combination that triggers |
|
|
135 | the action, whose format is defined in the description of the |
|
|
136 | B<keysym> resource in the urxvt(1) manpage, and C<action> is the name |
|
|
137 | of the action method. |
|
|
138 | |
|
|
139 | =back |
|
|
140 | |
113 | =head2 Hooks |
141 | =head2 Hooks |
114 | |
142 | |
115 | The following subroutines can be declared in extension files, and will be |
143 | The following subroutines can be declared in extension files, and will be |
116 | called whenever the relevant event happens. |
144 | called whenever the relevant event happens. |
117 | |
145 | |
… | |
… | |
282 | code is run after this hook, and takes precedence. |
310 | code is run after this hook, and takes precedence. |
283 | |
311 | |
284 | =item on_refresh_end $term |
312 | =item on_refresh_end $term |
285 | |
313 | |
286 | Called just after the screen gets redrawn. See C<on_refresh_begin>. |
314 | Called just after the screen gets redrawn. See C<on_refresh_begin>. |
|
|
315 | |
|
|
316 | =item on_action $term, $string |
|
|
317 | |
|
|
318 | Called whenever an action is invoked for the corresponding extension |
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|
319 | (e.g. via a C<extension:string> builtin action bound to a key, see |
|
|
320 | description of the B<keysym> resource in the urxvt(1) manpage). The |
|
|
321 | event is simply the action string. Note that an action event is always |
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|
322 | associated to a single extension. |
287 | |
323 | |
288 | =item on_user_command $term, $string *DEPRECATED* |
324 | =item on_user_command $term, $string *DEPRECATED* |
289 | |
325 | |
290 | Called whenever a user-configured event is being activated (e.g. via |
326 | Called whenever a user-configured event is being activated (e.g. via |
291 | a C<perl:string> action bound to a key, see description of the B<keysym> |
327 | a C<perl:string> action bound to a key, see description of the B<keysym> |
… | |
… | |
1282 | |
1318 | |
1283 | If the method is called on an extension object (basically, from an |
1319 | If the method is called on an extension object (basically, from an |
1284 | extension), then the special prefix C<%.> will be replaced by the name of |
1320 | extension), then the special prefix C<%.> will be replaced by the name of |
1285 | the extension and a dot, and the lone string C<%> will be replaced by the |
1321 | the extension and a dot, and the lone string C<%> will be replaced by the |
1286 | extension name itself. This makes it possible to code extensions so you |
1322 | extension name itself. This makes it possible to code extensions so you |
1287 | can rename them and get a new set of commandline switches and resources |
1323 | can rename them and get a new set of resources without having to change |
1288 | without having to change the actual code. |
1324 | the actual code. |
1289 | |
1325 | |
1290 | This method should only be called during the C<on_start> hook, as there is |
1326 | This method should only be called during the C<on_start> hook, as there is |
1291 | only one resource database per display, and later invocations might return |
1327 | only one resource database per display, and later invocations might return |
1292 | the wrong resources. |
1328 | the wrong resources. |
1293 | |
1329 | |