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Revision 1.31 by root, Wed Jan 4 19:39:46 2006 UTC vs.
Revision 1.198 by root, Tue Oct 4 22:25:14 2011 UTC

17 17
18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test 18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test
19 19
20=head1 DESCRIPTION 20=head1 DESCRIPTION
21 21
22Everytime a terminal object gets created, scripts specified via the 22Every time a terminal object gets created, extension scripts specified via
23C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where 28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
29scripts will be shared (but not enabled) for all terminals. 29scripts will be shared (but not enabled) for all terminals.
30 30
31=head2 Prepackaged Extensions 31You can disable the embedded perl interpreter by setting both "perl-ext"
32and "perl-ext-common" resources to the empty string.
32 33
34=head1 PREPACKAGED EXTENSIONS
35
33This section describes the extensiosn delivered with this version. You can 36This section describes the extensions delivered with this release. You can
34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. 37find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
35 38
36You can activate them like this: 39You can activate them like this:
37 40
38 @@RXVT_NAME@@ -pe <extensionname> 41 @@RXVT_NAME@@ -pe <extensionname>
39 42
43Or by adding them to the resource for extensions loaded by default:
44
45 URxvt.perl-ext-common: default,selection-autotransform
46
40=over 4 47=over 4
41 48
42=item selection 49=item selection (enabled by default)
43 50
44Intelligent selection. This extension tries to be more intelligent when 51(More) intelligent selection. This extension tries to be more intelligent
45the user extends selections (double-click). Right now, it tries to select 52when the user extends selections (double-click and further clicks). Right
46urls and complete shell-quoted arguments, which is very convenient, too, 53now, it tries to select words, urls and complete shell-quoted
47if your F<ls> supports C<--quoting-style=shell>. 54arguments, which is very convenient, too, if your F<ls> supports
55C<--quoting-style=shell>.
48 56
49It also offers the following bindable event: 57A double-click usually selects the word under the cursor, further clicks
58will enlarge the selection.
59
60The selection works by trying to match a number of regexes and displaying
61them in increasing order of length. You can add your own regexes by
62specifying resources of the form:
63
64 URxvt.selection.pattern-0: perl-regex
65 URxvt.selection.pattern-1: perl-regex
66 ...
67
68The index number (0, 1...) must not have any holes, and each regex must
69contain at least one pair of capturing parentheses, which will be used for
70the match. For example, the following adds a regex that matches everything
71between two vertical bars:
72
73 URxvt.selection.pattern-0: \\|([^|]+)\\|
74
75Another example: Programs I use often output "absolute path: " at the
76beginning of a line when they process multiple files. The following
77pattern matches the filename (note, there is a single space at the very
78end):
79
80 URxvt.selection.pattern-0: ^(/[^:]+):\
81
82You can look at the source of the selection extension to see more
83interesting uses, such as parsing a line from beginning to end.
84
85This extension also offers following bindable keyboard commands:
50 86
51=over 4 87=over 4
52 88
53=item rot13 89=item rot13
54 90
56 92
57 URxvt.keysym.C-M-r: perl:selection:rot13 93 URxvt.keysym.C-M-r: perl:selection:rot13
58 94
59=back 95=back
60 96
97=item option-popup (enabled by default)
98
99Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
100runtime.
101
102Other extensions can extend this popup menu by pushing a code reference
103onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
104popup is being displayed.
105
106Its sole argument is the popup menu, which can be modified. It should
107either return nothing or a string, the initial boolean value and a code
108reference. The string will be used as button text and the code reference
109will be called when the toggle changes, with the new boolean value as
110first argument.
111
112The following will add an entry C<myoption> that changes
113C<< $self->{myoption} >>:
114
115 push @{ $self->{term}{option_popup_hook} }, sub {
116 ("my option" => $myoption, sub { $self->{myoption} = $_[0] })
117 };
118
119=item selection-popup (enabled by default)
120
121Binds a popup menu to Ctrl-Button3 that lets you convert the selection
122text into various other formats/action (such as uri unescaping, perl
123evaluation, web-browser starting etc.), depending on content.
124
125Other extensions can extend this popup menu by pushing a code reference
126onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
127popup is being displayed.
128
129Its sole argument is the popup menu, which can be modified. The selection
130is in C<$_>, which can be used to decide whether to add something or not.
131It should either return nothing or a string and a code reference. The
132string will be used as button text and the code reference will be called
133when the button gets activated and should transform C<$_>.
134
135The following will add an entry C<a to b> that transforms all C<a>s in
136the selection to C<b>s, but only if the selection currently contains any
137C<a>s:
138
139 push @{ $self->{term}{selection_popup_hook} }, sub {
140 /a/ ? ("a to b" => sub { s/a/b/g }
141 : ()
142 };
143
144=item searchable-scrollback<hotkey> (enabled by default)
145
146Adds regex search functionality to the scrollback buffer, triggered
147by a hotkey (default: C<M-s>). While in search mode, normal terminal
148input/output is suspended and a regex is displayed at the bottom of the
149screen.
150
151Inputting characters appends them to the regex and continues incremental
152search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
153search upwards/downwards in the scrollback buffer, C<End> jumps to the
154bottom. C<Escape> leaves search mode and returns to the point where search
155was started, while C<Enter> or C<Return> stay at the current position and
156additionally stores the first match in the current line into the primary
157selection if the C<Shift> modifier is active.
158
159The regex defaults to "(?i)", resulting in a case-insensitive search. To
160get a case-sensitive search you can delete this prefix using C<BackSpace>
161or simply use an uppercase character which removes the "(?i)" prefix.
162
163See L<perlre> for more info about perl regular expression syntax.
164
165=item readline (enabled by default)
166
167A support package that tries to make editing with readline easier. At
168the moment, it reacts to clicking shift-left mouse button by trying to
169move the text cursor to this position. It does so by generating as many
170cursor-left or cursor-right keypresses as required (this only works
171for programs that correctly support wide characters).
172
173To avoid too many false positives, this is only done when:
174
175=over 4
176
177=item - the tty is in ICANON state.
178
179=item - the text cursor is visible.
180
181=item - the primary screen is currently being displayed.
182
183=item - the mouse is on the same (multi-row-) line as the text cursor.
184
185=back
186
187The normal selection mechanism isn't disabled, so quick successive clicks
188might interfere with selection creation in harmless ways.
189
190=item selection-autotransform
191
192This selection allows you to do automatic transforms on a selection
193whenever a selection is made.
194
195It works by specifying perl snippets (most useful is a single C<s///>
196operator) that modify C<$_> as resources:
197
198 URxvt.selection-autotransform.0: transform
199 URxvt.selection-autotransform.1: transform
200 ...
201
202For example, the following will transform selections of the form
203C<filename:number>, often seen in compiler messages, into C<vi +$filename
204$word>:
205
206 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
207
208And this example matches the same,but replaces it with vi-commands you can
209paste directly into your (vi :) editor:
210
211 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
212
213Of course, this can be modified to suit your needs and your editor :)
214
215To expand the example above to typical perl error messages ("XXX at
216FILENAME line YYY."), you need a slightly more elaborate solution:
217
218 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
219 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
220
221The first line tells the selection code to treat the unchanging part of
222every error message as a selection pattern, and the second line transforms
223the message into vi commands to load the file.
224
225=item tabbed
226
227This transforms the terminal into a tabbar with additional terminals, that
228is, it implements what is commonly referred to as "tabbed terminal". The topmost line
229displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
230button per tab.
231
232Clicking a button will activate that tab. Pressing B<Shift-Left> and
233B<Shift-Right> will switch to the tab left or right of the current one,
234while B<Shift-Down> creates a new tab.
235
236The tabbar itself can be configured similarly to a normal terminal, but
237with a resource class of C<URxvt.tabbed>. In addition, it supports the
238following four resources (shown with defaults):
239
240 URxvt.tabbed.tabbar-fg: <colour-index, default 3>
241 URxvt.tabbed.tabbar-bg: <colour-index, default 0>
242 URxvt.tabbed.tab-fg: <colour-index, default 0>
243 URxvt.tabbed.tab-bg: <colour-index, default 1>
244
245See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
246indices.
247
248=item matcher
249
250Uses per-line display filtering (C<on_line_update>) to underline text
251matching a certain pattern and make it clickable. When clicked with the
252mouse button specified in the C<matcher.button> resource (default 2, or
253middle), the program specified in the C<matcher.launcher> resource
254(default, the C<urlLauncher> resource, C<sensible-browser>) will be started
255with the matched text as first argument. The default configuration is
256suitable for matching URLs and launching a web browser, like the
257former "mark-urls" extension.
258
259The default pattern to match URLs can be overridden with the
260C<matcher.pattern.0> resource, and additional patterns can be specified
261with numbered patterns, in a manner similar to the "selection" extension.
262The launcher can also be overridden on a per-pattern basis.
263
264It is possible to activate the most recently seen match or a list of matches
265from the keyboard. Simply bind a keysym to "perl:matcher:last" or
266"perl:matcher:list" as seen in the example below.
267
268Example configuration:
269
270 URxvt.perl-ext: default,matcher
271 URxvt.urlLauncher: sensible-browser
272 URxvt.keysym.C-Delete: perl:matcher:last
273 URxvt.keysym.M-Delete: perl:matcher:list
274 URxvt.matcher.button: 1
275 URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
276 URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
277 URxvt.matcher.launcher.2: gvim +$2 $1
278
279=item xim-onthespot
280
281This (experimental) perl extension implements OnTheSpot editing. It does
282not work perfectly, and some input methods don't seem to work well with
283OnTheSpot editing in general, but it seems to work at least for SCIM and
284kinput2.
285
286You enable it by specifying this extension and a preedit style of
287C<OnTheSpot>, i.e.:
288
289 @@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
290
291=item kuake<hotkey>
292
293A very primitive quake-console-like extension. It was inspired by a
294description of how the programs C<kuake> and C<yakuake> work: Whenever the
295user presses a global accelerator key (by default C<F10>), the terminal
296will show or hide itself. Another press of the accelerator key will hide
297or show it again.
298
299Initially, the window will not be shown when using this extension.
300
301This is useful if you need a single terminal that is not using any desktop
302space most of the time but is quickly available at the press of a key.
303
304The accelerator key is grabbed regardless of any modifiers, so this
305extension will actually grab a physical key just for this function.
306
307If you want a quake-like animation, tell your window manager to do so
308(fvwm can do it).
309
310=item overlay-osc
311
312This extension implements some OSC commands to display timed popups on the
313screen - useful for status displays from within scripts. You have to read
314the sources for more info.
315
316=item block-graphics-to-ascii
317
318A not very useful example of filtering all text output to the terminal
319by replacing all line-drawing characters (U+2500 .. U+259F) by a
320similar-looking ascii character.
321
61=item digital-clock 322=item digital-clock
62 323
63Displays a digital clock using the built-in overlay. 324Displays a digital clock using the built-in overlay.
325
326=item remote-clipboard
327
328Somewhat of a misnomer, this extension adds two menu entries to the
329selection popup that allows one to run external commands to store the
330selection somewhere and fetch it again.
331
332We use it to implement a "distributed selection mechanism", which just
333means that one command uploads the file to a remote server, and another
334reads it.
335
336The commands can be set using the C<URxvt.remote-selection.store> and
337C<URxvt.remote-selection.fetch> resources. The first should read the
338selection to store from STDIN (always in UTF-8), the second should provide
339the selection data on STDOUT (also in UTF-8).
340
341The defaults (which are likely useless to you) use rsh and cat:
342
343 URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
344 URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
345
346=item selection-pastebin
347
348This is a little rarely useful extension that uploads the selection as
349textfile to a remote site (or does other things). (The implementation is
350not currently secure for use in a multiuser environment as it writes to
351F</tmp> directly.).
352
353It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
354i.e.
355
356 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
357
358Pressing this combination runs a command with C<%> replaced by the name of
359the textfile. This command can be set via a resource:
360
361 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
362
363And the default is likely not useful to anybody but the few people around
364here :)
365
366The name of the textfile is the hex encoded md5 sum of the selection, so
367the same content should lead to the same filename.
368
369After a successful upload the selection will be replaced by the text given
370in the C<selection-pastebin-url> resource (again, the % is the placeholder
371for the filename):
372
373 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
374
375I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
376the double C</> characters as comment start. Use C<\057\057> instead,
377which works regardless of whether xrdb is used to parse the resource file
378or not.
379
380=item macosx-clipboard and macosx-clipboard-native
381
382These two modules implement an extended clipboard for Mac OS X. They are
383used like this:
384
385 URxvt.perl-ext-common: default,macosx-clipboard
386 URxvt.keysym.M-c: perl:macosx-clipboard:copy
387 URxvt.keysym.M-v: perl:macosx-clipboard:paste
388
389The difference between them is that the native variant requires a
390perl from apple's devkit or so, and C<macosx-clipboard> requires the
391C<Mac::Pasteboard> module, works with other perls, has fewer bugs, is
392simpler etc. etc.
64 393
65=item example-refresh-hooks 394=item example-refresh-hooks
66 395
67Displays a very simple digital clock in the upper right corner of the 396Displays a very simple digital clock in the upper right corner of the
68window. Illustrates overwriting the refresh callbacks to create your own 397window. Illustrates overwriting the refresh callbacks to create your own
69overlays or changes. 398overlays or changes.
70 399
400=item confirm-paste
401
402Displays a confirmation dialog when a paste containing at least a full
403line is detected.
404
71=back 405=back
406
407=head1 API DOCUMENTATION
72 408
73=head2 General API Considerations 409=head2 General API Considerations
74 410
75All objects (such as terminals, time watchers etc.) are typical 411All objects (such as terminals, time watchers etc.) are typical
76reference-to-hash objects. The hash can be used to store anything you 412reference-to-hash objects. The hash can be used to store anything you
81When objects are destroyed on the C++ side, the perl object hashes are 417When objects are destroyed on the C++ side, the perl object hashes are
82emptied, so its best to store related objects such as time watchers and 418emptied, so its best to store related objects such as time watchers and
83the like inside the terminal object so they get destroyed as soon as the 419the like inside the terminal object so they get destroyed as soon as the
84terminal is destroyed. 420terminal is destroyed.
85 421
422Argument names also often indicate the type of a parameter. Here are some
423hints on what they mean:
424
425=over 4
426
427=item $text
428
429Rxvt-unicode's special way of encoding text, where one "unicode" character
430always represents one screen cell. See L<ROW_t> for a discussion of this format.
431
432=item $string
433
434A perl text string, with an emphasis on I<text>. It can store all unicode
435characters and is to be distinguished with text encoded in a specific
436encoding (often locale-specific) and binary data.
437
438=item $octets
439
440Either binary data or - more common - a text string encoded in a
441locale-specific way.
442
443=back
444
445=head2 Extension Objects
446
447Every perl extension is a perl class. A separate perl object is created
448for each terminal, and each terminal has its own set of extension objects,
449which are passed as the first parameter to hooks. So extensions can use
450their C<$self> object without having to think about clashes with other
451extensions or other terminals, with the exception of methods and members
452that begin with an underscore character C<_>: these are reserved for
453internal use.
454
455Although it isn't a C<urxvt::term> object, you can call all methods of the
456C<urxvt::term> class on this object.
457
458It has the following methods and data members:
459
460=over 4
461
462=item $urxvt_term = $self->{term}
463
464Returns the C<urxvt::term> object associated with this instance of the
465extension. This member I<must not> be changed in any way.
466
467=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
468
469Dynamically enable the given hooks (named without the C<on_> prefix) for
470this extension, replacing any previous hook. This is useful when you want
471to overwrite time-critical hooks only temporarily.
472
473=item $self->disable ($hook_name[, $hook_name..])
474
475Dynamically disable the given hooks.
476
477=back
478
86=head2 Hooks 479=head2 Hooks
87 480
88The following subroutines can be declared in loaded scripts, and will be 481The following subroutines can be declared in extension files, and will be
89called whenever the relevant event happens. 482called whenever the relevant event happens.
90 483
91The first argument passed to them is an object private to each terminal 484The first argument passed to them is an extension object as described in
92and extension package. You can call all C<urxvt::term> methods on it, but 485the in the C<Extension Objects> section.
93its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
94object that is shared between all packages is stored in the C<term>
95member.
96 486
97All of them must return a boolean value. If it is true, then the event 487B<All> of these hooks must return a boolean value. If any of the called
98counts as being I<consumed>, and the invocation of other hooks is skipped, 488hooks returns true, then the event counts as being I<consumed>, and the
99and the relevant action might not be carried out by the C++ code. 489relevant action might not be carried out by the C++ code.
100 490
101When in doubt, return a false value (preferably C<()>). 491I<< When in doubt, return a false value (preferably C<()>). >>
102 492
103=over 4 493=over 4
104 494
105=item on_init $term 495=item on_init $term
106 496
107Called after a new terminal object has been initialized, but before 497Called after a new terminal object has been initialized, but before
108windows are created or the command gets run. 498windows are created or the command gets run. Most methods are unsafe to
499call or deliver senseless data, as terminal size and other characteristics
500have not yet been determined. You can safely query and change resources
501and options, though. For many purposes the C<on_start> hook is a better
502place.
503
504=item on_start $term
505
506Called at the very end of initialisation of a new terminal, just before
507trying to map (display) the toplevel and returning to the main loop.
508
509=item on_destroy $term
510
511Called whenever something tries to destroy terminal, when the terminal is
512still fully functional (not for long, though).
109 513
110=item on_reset $term 514=item on_reset $term
111 515
112Called after the screen is "reset" for any reason, such as resizing or 516Called after the screen is "reset" for any reason, such as resizing or
113control sequences. Here is where you can react on changes to size-related 517control sequences. Here is where you can react on changes to size-related
114variables. 518variables.
115 519
116=item on_start $term 520=item on_child_start $term, $pid
117 521
118Called at the very end of initialisation of a new terminal, just before 522Called just after the child process has been C<fork>ed.
119returning to the mainloop. 523
524=item on_child_exit $term, $status
525
526Called just after the child process has exited. C<$status> is the status
527from C<waitpid>.
120 528
121=item on_sel_make $term, $eventtime 529=item on_sel_make $term, $eventtime
122 530
123Called whenever a selection has been made by the user, but before the 531Called whenever a selection has been made by the user, but before the
124selection text is copied, so changes to the beginning, end or type of the 532selection text is copied, so changes to the beginning, end or type of the
131 539
132Called whenever a selection has been copied, but before the selection is 540Called whenever a selection has been copied, but before the selection is
133requested from the server. The selection text can be queried and changed 541requested from the server. The selection text can be queried and changed
134by calling C<< $term->selection >>. 542by calling C<< $term->selection >>.
135 543
136Returning a true value aborts selection grabbing. It will still be hilighted. 544Returning a true value aborts selection grabbing. It will still be highlighted.
137 545
138=item on_sel_extend $term 546=item on_sel_extend $term
139 547
140Called whenever the user tries to extend the selection (e.g. with a double 548Called whenever the user tries to extend the selection (e.g. with a double
141click) and is either supposed to return false (normal operation), or 549click) and is either supposed to return false (normal operation), or
142should extend the selection itelf and return true to suppress the built-in 550should extend the selection itself and return true to suppress the built-in
143processing. 551processing. This can happen multiple times, as long as the callback
552returns true, it will be called on every further click by the user and is
553supposed to enlarge the selection more and more, if possible.
144 554
145See the F<selection> example extension. 555See the F<selection> example extension.
146 556
147=item on_focus_in $term
148
149Called whenever the window gets the keyboard focus, before urxvt does
150focus in processing.
151
152=item on_focus_out $term
153
154Called wheneever the window loses keyboard focus, before urxvt does focus
155out processing.
156
157=item on_view_change $term, $offset 557=item on_view_change $term, $offset
158 558
159Called whenever the view offset changes, i..e the user or program 559Called whenever the view offset changes, i.e. the user or program
160scrolls. Offset C<0> means display the normal terminal, positive values 560scrolls. Offset C<0> means display the normal terminal, positive values
161show this many lines of scrollback. 561show this many lines of scrollback.
162 562
163=item on_scroll_back $term, $lines, $saved 563=item on_scroll_back $term, $lines, $saved
164 564
168 568
169It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 569It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
170$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total 570$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
171number of lines that will be in the scrollback buffer. 571number of lines that will be in the scrollback buffer.
172 572
173=item on_tty_activity $term *NYI*
174
175Called whenever the program(s) running in the urxvt window send output.
176
177=item on_osc_seq $term, $string 573=item on_osc_seq $term, $op, $args, $resp
574
575Called on every OSC sequence and can be used to suppress it or modify its
576behaviour. The default should be to return an empty list. A true value
577suppresses execution of the request completely. Make sure you don't get
578confused by recursive invocations when you output an OSC sequence within
579this callback.
580
581C<on_osc_seq_perl> should be used for new behaviour.
582
583=item on_osc_seq_perl $term, $args, $resp
178 584
179Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = 585Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
180operating system command) is processed. Cursor position and other state 586operating system command) is processed. Cursor position and other state
181information is up-to-date when this happens. For interoperability, the 587information is up-to-date when this happens. For interoperability, the
182string should start with the extension name and a colon, to distinguish 588string should start with the extension name (sans -osc) and a semicolon,
183it from commands for other extensions, and this might be enforced in the 589to distinguish it from commands for other extensions, and this might be
184future. 590enforced in the future.
591
592For example, C<overlay-osc> uses this:
593
594 sub on_osc_seq_perl {
595 my ($self, $osc, $resp) = @_;
596
597 return unless $osc =~ s/^overlay;//;
598
599 ... process remaining $osc string
600 }
185 601
186Be careful not ever to trust (in a security sense) the data you receive, 602Be careful not ever to trust (in a security sense) the data you receive,
187as its source can not easily be controleld (e-mail content, messages from 603as its source can not easily be controlled (e-mail content, messages from
188other users on the same system etc.). 604other users on the same system etc.).
189 605
606For responses, C<$resp> contains the end-of-args separator used by the
607sender.
608
609=item on_add_lines $term, $string
610
611Called whenever text is about to be output, with the text as argument. You
612can filter/change and output the text yourself by returning a true value
613and calling C<< $term->scr_add_lines >> yourself. Please note that this
614might be very slow, however, as your hook is called for B<all> text being
615output.
616
617=item on_tt_write $term, $octets
618
619Called whenever some data is written to the tty/pty and can be used to
620suppress or filter tty input.
621
622=item on_tt_paste $term, $octets
623
624Called whenever text is about to be pasted, with the text as argument. You
625can filter/change and paste the text yourself by returning a true value
626and calling C<< $term->tt_paste >> yourself. C<$octets> is
627locale-encoded.
628
629=item on_line_update $term, $row
630
631Called whenever a line was updated or changed. Can be used to filter
632screen output (e.g. underline urls or other useless stuff). Only lines
633that are being shown will be filtered, and, due to performance reasons,
634not always immediately.
635
636The row number is always the topmost row of the line if the line spans
637multiple rows.
638
639Please note that, if you change the line, then the hook might get called
640later with the already-modified line (e.g. if unrelated parts change), so
641you cannot just toggle rendition bits, but only set them.
642
190=item on_refresh_begin $term 643=item on_refresh_begin $term
191 644
192Called just before the screen gets redrawn. Can be used for overlay 645Called just before the screen gets redrawn. Can be used for overlay or
193or similar effects by modify terminal contents in refresh_begin, and 646similar effects by modifying the terminal contents in refresh_begin, and
194restoring them in refresh_end. The built-in overlay and selection display 647restoring them in refresh_end. The built-in overlay and selection display
195code is run after this hook, and takes precedence. 648code is run after this hook, and takes precedence.
196 649
197=item on_refresh_end $term 650=item on_refresh_end $term
198 651
199Called just after the screen gets redrawn. See C<on_refresh_begin>. 652Called just after the screen gets redrawn. See C<on_refresh_begin>.
200 653
201=item on_keyboard_command $term, $string 654=item on_user_command $term, $string
202 655
203Called whenever the user presses a key combination that has a 656Called whenever a user-configured event is being activated (e.g. via
204C<perl:string> action bound to it (see description of the B<keysym> 657a C<perl:string> action bound to a key, see description of the B<keysym>
205resource in the @@RXVT_NAME@@(1) manpage). 658resource in the @@RXVT_NAME@@(1) manpage).
206 659
660The event is simply the action string. This interface is assumed to change
661slightly in the future.
662
663=item on_resize_all_windows $term, $new_width, $new_height
664
665Called just after the new window size has been calculated, but before
666windows are actually being resized or hints are being set. If this hook
667returns TRUE, setting of the window hints is being skipped.
668
669=item on_x_event $term, $event
670
671Called on every X event received on the vt window (and possibly other
672windows). Should only be used as a last resort. Most event structure
673members are not passed.
674
675=item on_root_event $term, $event
676
677Like C<on_x_event>, but is called for events on the root window.
678
679=item on_focus_in $term
680
681Called whenever the window gets the keyboard focus, before rxvt-unicode
682does focus in processing.
683
684=item on_focus_out $term
685
686Called whenever the window loses keyboard focus, before rxvt-unicode does
687focus out processing.
688
689=item on_configure_notify $term, $event
690
691=item on_property_notify $term, $event
692
693=item on_key_press $term, $event, $keysym, $octets
694
695=item on_key_release $term, $event, $keysym
696
697=item on_button_press $term, $event
698
699=item on_button_release $term, $event
700
701=item on_motion_notify $term, $event
702
703=item on_map_notify $term, $event
704
705=item on_unmap_notify $term, $event
706
707Called whenever the corresponding X event is received for the terminal. If
708the hook returns true, then the event will be ignored by rxvt-unicode.
709
710The event is a hash with most values as named by Xlib (see the XEvent
711manpage), with the additional members C<row> and C<col>, which are the
712(real, not screen-based) row and column under the mouse cursor.
713
714C<on_key_press> additionally receives the string rxvt-unicode would
715output, if any, in locale-specific encoding.
716
717subwindow.
718
719=item on_client_message $term, $event
720
721=item on_wm_protocols $term, $event
722
723=item on_wm_delete_window $term, $event
724
725Called when various types of ClientMessage events are received (all with
726format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
727
728=item on_bell $term
729
730Called on receipt of a bell character.
731
207=back 732=back
208 733
734=cut
735
736package urxvt;
737
738use utf8;
739use strict;
740use Carp ();
741use Scalar::Util ();
742use List::Util ();
743
744our $VERSION = 1;
745our $TERM;
746our @TERM_INIT;
747our @TERM_EXT;
748our @HOOKNAME;
749our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
750our %OPTION;
751
752our $LIBDIR;
753our $RESNAME;
754our $RESCLASS;
755our $RXVTNAME;
756
757our $NOCHAR = chr 0xffff;
758
209=head2 Variables in the C<urxvt> Package 759=head2 Variables in the C<urxvt> Package
210 760
211=over 4 761=over 4
212 762
763=item $urxvt::LIBDIR
764
765The rxvt-unicode library directory, where, among other things, the perl
766modules and scripts are stored.
767
768=item $urxvt::RESCLASS, $urxvt::RESCLASS
769
770The resource class and name rxvt-unicode uses to look up X resources.
771
772=item $urxvt::RXVTNAME
773
774The basename of the installed binaries, usually C<urxvt>.
775
213=item $urxvt::TERM 776=item $urxvt::TERM
214 777
215The current terminal. Whenever a callback/Hook is bein executed, this 778The current terminal. This variable stores the current C<urxvt::term>
216variable stores the current C<urxvt::term> object. 779object, whenever a callback/hook is executing.
780
781=item @urxvt::TERM_INIT
782
783All code references in this array will be called as methods of the next newly
784created C<urxvt::term> object (during the C<on_init> phase). The array
785gets cleared before the code references that were in it are being executed,
786so references can push themselves onto it again if they so desire.
787
788This complements to the perl-eval command line option, but gets executed
789first.
790
791=item @urxvt::TERM_EXT
792
793Works similar to C<@TERM_INIT>, but contains perl package/class names, which
794get registered as normal extensions after calling the hooks in C<@TERM_INIT>
795but before other extensions. Gets cleared just like C<@TERM_INIT>.
217 796
218=back 797=back
219 798
220=head2 Functions in the C<urxvt> Package 799=head2 Functions in the C<urxvt> Package
221 800
222=over 4 801=over 4
223 802
224=item urxvt::fatal $errormessage 803=item urxvt::fatal $errormessage
225 804
226Fatally aborts execution with the given error message. Avoid at all 805Fatally aborts execution with the given error message (which should
227costs! The only time this is acceptable is when the terminal process 806include a trailing newline). Avoid at all costs! The only time this
228starts up. 807is acceptable (and useful) is in the init hook, where it prevents the
808terminal from starting up.
229 809
230=item urxvt::warn $string 810=item urxvt::warn $string
231 811
232Calls C<rxvt_warn> with the given string which should not include a 812Calls C<rxvt_warn> with the given string which should include a trailing
233newline. The module also overwrites the C<warn> builtin with a function 813newline. The module also overwrites the C<warn> builtin with a function
234that calls this function. 814that calls this function.
235 815
236Using this function has the advantage that its output ends up in the 816Using this function has the advantage that its output ends up in the
237correct place, e.g. on stderr of the connecting urxvtc client. 817correct place, e.g. on stderr of the connecting urxvtc client.
238 818
819Messages have a size limit of 1023 bytes currently.
820
821=item @terms = urxvt::termlist
822
823Returns all urxvt::term objects that exist in this process, regardless of
824whether they are started, being destroyed etc., so be careful. Only term
825objects that have perl extensions attached will be returned (because there
826is no urxvt::term object associated with others).
827
239=item $time = urxvt::NOW 828=item $time = urxvt::NOW
240 829
241Returns the "current time" (as per the event loop). 830Returns the "current time" (as per the event loop).
831
832=item urxvt::CurrentTime
833
834=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
835Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
836Button4Mask, Button5Mask, AnyModifier
837
838=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
839ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
840PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
841Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
842KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
843ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
844FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
845
846=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
847EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
848GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
849UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
850ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
851CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
852SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
853
854Various constants for use in X calls and event processing.
242 855
243=back 856=back
244 857
245=head2 RENDITION 858=head2 RENDITION
246 859
261 874
262=item $rend = urxvt::OVERLAY_RSTYLE 875=item $rend = urxvt::OVERLAY_RSTYLE
263 876
264Return the rendition mask used for overlays by default. 877Return the rendition mask used for overlays by default.
265 878
266=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline 879=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
880urxvt::RS_RVid, urxvt::RS_Uline
267 881
268Return the bit that enabled bold, italic, blink, reverse-video and 882Return the bit that enabled bold, italic, blink, reverse-video and
269underline, respectively. To enable such a style, just logically OR it into 883underline, respectively. To enable such a style, just logically OR it into
270the bitset. 884the bitset.
271 885
273 887
274=item $background = urxvt::GET_BASEBG $rend 888=item $background = urxvt::GET_BASEBG $rend
275 889
276Return the foreground/background colour index, respectively. 890Return the foreground/background colour index, respectively.
277 891
278=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) 892=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
279 893
280=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) 894=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
895
896=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
281 897
282Replace the foreground/background colour in the rendition mask with the 898Replace the foreground/background colour in the rendition mask with the
283specified one. 899specified one.
284 900
285=item $value = urxvt::GET_CUSTOM ($rend) 901=item $value = urxvt::GET_CUSTOM $rend
286 902
287Return the "custom" value: Every rendition has 5 bits for use by 903Return the "custom" value: Every rendition has 5 bits for use by
288extensions. They can be set and changed as you like and are initially 904extensions. They can be set and changed as you like and are initially
289zero. 905zero.
290 906
291=item $rend = urxvt::SET_CUSTOM ($rend, $new_value) 907=item $rend = urxvt::SET_CUSTOM $rend, $new_value
292 908
293Change the custom value. 909Change the custom value.
294 910
295=back 911=back
296 912
297=cut 913=cut
298 914
299package urxvt;
300
301use strict;
302use Scalar::Util ();
303
304our $TERM;
305our @HOOKNAME;
306our $LIBDIR;
307
308BEGIN { 915BEGIN {
309 urxvt->bootstrap;
310
311 # overwrite perl's warn 916 # overwrite perl's warn
312 *CORE::GLOBAL::warn = sub { 917 *CORE::GLOBAL::warn = sub {
313 my $msg = join "", @_; 918 my $msg = join "", @_;
314 $msg .= "\n" 919 $msg .= "\n"
315 unless $msg =~ /\n$/; 920 unless $msg =~ /\n$/;
316 urxvt::warn ($msg); 921 urxvt::warn ($msg);
317 }; 922 };
318} 923}
319 924
320my @hook_count; 925no warnings 'utf8';
926
321my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 927my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
322 928
323sub verbose { 929sub verbose {
324 my ($level, $msg) = @_; 930 my ($level, $msg) = @_;
325 warn "$msg\n" if $level <= $verbosity; 931 warn "$msg\n" if $level <= $verbosity;
326} 932}
327 933
328# find on_xxx subs in the package and register them 934my %extension_pkg;
329# as hooks
330sub register_package($) {
331 my ($pkg) = @_;
332
333 for my $htype (0.. $#HOOKNAME) {
334 my $name = $HOOKNAME[$htype];
335
336 my $ref = $pkg->can ("on_" . lc $name)
337 or next;
338
339 $TERM->{_hook}[$htype]{$pkg} = $ref;
340 $hook_count[$htype]++
341 or set_should_invoke $htype, 1;
342 }
343}
344
345my $script_pkg = "script0000";
346my %script_pkg;
347 935
348# load a single script into its own package, once only 936# load a single script into its own package, once only
349sub script_package($) { 937sub extension_package($) {
350 my ($path) = @_; 938 my ($path) = @_;
351 939
352 $script_pkg{$path} ||= do { 940 $extension_pkg{$path} ||= do {
353 my $pkg = "urxvt::" . ($script_pkg++); 941 $path =~ /([^\/\\]+)$/;
942 my $pkg = $1;
943 $pkg =~ s/[^[:word:]]/_/g;
944 $pkg = "urxvt::ext::$pkg";
354 945
355 verbose 3, "loading script '$path' into package '$pkg'"; 946 verbose 3, "loading extension '$path' into package '$pkg'";
356 947
357 open my $fh, "<:raw", $path 948 open my $fh, "<:raw", $path
358 or die "$path: $!"; 949 or die "$path: $!";
359 950
360 my $source = "package $pkg; use strict; use utf8;\n" 951 my $source =
952 "package $pkg; use strict; use utf8; no warnings 'utf8';\n"
361 . "#line 1 \"$path\"\n{\n" 953 . "#line 1 \"$path\"\n{\n"
362 . (do { local $/; <$fh> }) 954 . (do { local $/; <$fh> })
363 . "\n};\n1"; 955 . "\n};\n1";
364 956
957 eval $source
365 eval $source or die "$path: $@"; 958 or die "$path: $@";
366 959
367 $pkg 960 $pkg
368 } 961 }
369} 962}
370 963
376 my $htype = shift; 969 my $htype = shift;
377 970
378 if ($htype == 0) { # INIT 971 if ($htype == 0) { # INIT
379 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 972 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
380 973
974 my %ext_arg;
975
976 {
977 my @init = @TERM_INIT;
978 @TERM_INIT = ();
979 $_->($TERM) for @init;
980 my @pkg = @TERM_EXT;
981 @TERM_EXT = ();
982 $TERM->register_package ($_) for @pkg;
983 }
984
381 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { 985 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
986 if ($_ eq "default") {
987 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
988 } elsif (/^-(.*)$/) {
989 delete $ext_arg{$1};
990 } elsif (/^([^<]+)<(.*)>$/) {
991 push @{ $ext_arg{$1} }, $2;
992 } else {
993 $ext_arg{$_} ||= [];
994 }
995 }
996
997 for my $ext (sort keys %ext_arg) {
382 my @files = grep -f $_, map "$_/$ext", @dirs; 998 my @files = grep -f $_, map "$_/$ext", @dirs;
383 999
384 if (@files) { 1000 if (@files) {
385 register_package script_package $files[0]; 1001 $TERM->register_package (extension_package $files[0], $ext_arg{$ext});
386 } else { 1002 } else {
387 warn "perl extension '$ext' not found in perl library search path\n"; 1003 warn "perl extension '$ext' not found in perl library search path\n";
388 } 1004 }
389 } 1005 }
1006
1007 eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
1008 warn $@ if $@;
390 } 1009 }
391 1010
392 $retval = undef; 1011 $retval = undef;
393 1012
394 if (my $cb = $TERM->{_hook}[$htype]) { 1013 if (my $cb = $TERM->{_hook}[$htype]) {
395 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" 1014 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
396 if $verbosity >= 10; 1015 if $verbosity >= 10;
397 1016
398 keys %$cb; 1017 for my $pkg (keys %$cb) {
1018 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };
1019 $retval ||= $retval_;
399 1020
400 while (my ($pkg, $cb) = each %$cb) { 1021 if ($@) {
401 $retval = $cb->( 1022 $TERM->ungrab; # better to lose the grab than the session
402 $TERM->{_pkg}{$pkg} ||= do { 1023 warn $@;
403 my $proxy = bless { }, urxvt::term::proxy::;
404 Scalar::Util::weaken ($proxy->{term} = $TERM);
405 $proxy
406 },
407 @_,
408 ) and last;
409 }
410 }
411
412 if ($htype == 1) { # DESTROY
413 # remove hooks if unused
414 if (my $hook = $TERM->{_hook}) {
415 for my $htype (0..$#$hook) {
416 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
417 or set_should_invoke $htype, 0;
418 } 1024 }
419 } 1025 }
420 1026
1027 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
1028 if $verbosity >= 11;
1029 }
1030
1031 if ($htype == 1) { # DESTROY
421 # clear package objects 1032 # clear package objects
422 %$_ = () for values %{ $TERM->{_pkg} }; 1033 %$_ = () for values %{ $TERM->{_pkg} };
423 1034
424 # clear package 1035 # clear package
425 %$TERM = (); 1036 %$TERM = ();
426 } 1037 }
427 1038
428 $retval 1039 $retval
429} 1040}
430 1041
431sub urxvt::term::proxy::AUTOLOAD { 1042sub SET_COLOR($$$) {
432 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ 1043 SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
1044}
1045
1046sub rend2mask {
1047 no strict 'refs';
1048 my ($str, $mask) = (@_, 0);
1049 my %color = ( fg => undef, bg => undef );
1050 my @failed;
1051 for my $spec ( split /\s+/, $str ) {
1052 if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
1053 $color{lc($1)} = $2;
1054 } else {
1055 my $neg = $spec =~ s/^[-^]//;
1056 unless ( exists &{"RS_$spec"} ) {
1057 push @failed, $spec;
1058 next;
1059 }
1060 my $cur = &{"RS_$spec"};
1061 if ( $neg ) {
1062 $mask &= ~$cur;
1063 } else {
1064 $mask |= $cur;
1065 }
1066 }
1067 }
1068 ($mask, @color{qw(fg bg)}, \@failed)
1069}
1070
1071# urxvt::term::extension
1072
1073package urxvt::term::extension;
1074
1075sub enable {
1076 my ($self, %hook) = @_;
1077 my $pkg = $self->{_pkg};
1078
1079 while (my ($name, $cb) = each %hook) {
1080 my $htype = $HOOKTYPE{uc $name};
1081 defined $htype
1082 or Carp::croak "unsupported hook type '$name'";
1083
1084 $self->set_should_invoke ($htype, +1)
1085 unless exists $self->{term}{_hook}[$htype]{$pkg};
1086
1087 $self->{term}{_hook}[$htype]{$pkg} = $cb;
1088 }
1089}
1090
1091sub disable {
1092 my ($self, @hook) = @_;
1093 my $pkg = $self->{_pkg};
1094
1095 for my $name (@hook) {
1096 my $htype = $HOOKTYPE{uc $name};
1097 defined $htype
1098 or Carp::croak "unsupported hook type '$name'";
1099
1100 $self->set_should_invoke ($htype, -1)
1101 if delete $self->{term}{_hook}[$htype]{$pkg};
1102 }
1103}
1104
1105our $AUTOLOAD;
1106
1107sub AUTOLOAD {
1108 $AUTOLOAD =~ /:([^:]+)$/
433 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; 1109 or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
434 1110
435 eval qq{ 1111 eval qq{
436 sub $urxvt::term::proxy::AUTOLOAD { 1112 sub $AUTOLOAD {
437 my \$proxy = shift; 1113 my \$proxy = shift;
438 \$proxy->{term}->$1 (\@_) 1114 \$proxy->{term}->$1 (\@_)
439 } 1115 }
440 1 1116 1
441 } or die "FATAL: unable to compile method forwarder: $@"; 1117 } or die "FATAL: unable to compile method forwarder: $@";
442 1118
443 goto &$urxvt::term::proxy::AUTOLOAD; 1119 goto &$AUTOLOAD;
444} 1120}
1121
1122sub DESTROY {
1123 # nop
1124}
1125
1126# urxvt::destroy_hook
1127
1128sub urxvt::destroy_hook::DESTROY {
1129 ${$_[0]}->();
1130}
1131
1132sub urxvt::destroy_hook(&) {
1133 bless \shift, urxvt::destroy_hook::
1134}
1135
1136package urxvt::anyevent;
1137
1138=head2 The C<urxvt::anyevent> Class
1139
1140The sole purpose of this class is to deliver an interface to the
1141C<AnyEvent> module - any module using it will work inside urxvt without
1142further programming. The only exception is that you cannot wait on
1143condition variables, but non-blocking condvar use is ok. What this means
1144is that you cannot use blocking APIs, but the non-blocking variant should
1145work.
1146
1147=cut
1148
1149our $VERSION = '5.23';
1150
1151$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1152push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1153
1154sub timer {
1155 my ($class, %arg) = @_;
1156
1157 my $cb = $arg{cb};
1158
1159 urxvt::timer
1160 ->new
1161 ->after ($arg{after}, $arg{interval})
1162 ->cb ($arg{interval} ? $cb : sub {
1163 $_[0]->stop; # need to cancel manually
1164 $cb->();
1165 })
1166}
1167
1168sub io {
1169 my ($class, %arg) = @_;
1170
1171 my $cb = $arg{cb};
1172 my $fd = fileno $arg{fh};
1173 defined $fd or $fd = $arg{fh};
1174
1175 bless [$arg{fh}, urxvt::iow
1176 ->new
1177 ->fd ($fd)
1178 ->events (($arg{poll} =~ /r/ ? 1 : 0)
1179 | ($arg{poll} =~ /w/ ? 2 : 0))
1180 ->start
1181 ->cb ($cb)
1182 ], urxvt::anyevent::
1183}
1184
1185sub idle {
1186 my ($class, %arg) = @_;
1187
1188 my $cb = $arg{cb};
1189
1190 urxvt::iw
1191 ->new
1192 ->start
1193 ->cb ($cb)
1194}
1195
1196sub child {
1197 my ($class, %arg) = @_;
1198
1199 my $cb = $arg{cb};
1200
1201 urxvt::pw
1202 ->new
1203 ->start ($arg{pid})
1204 ->cb (sub {
1205 $_[0]->stop; # need to cancel manually
1206 $cb->($_[0]->rpid, $_[0]->rstatus);
1207 })
1208}
1209
1210sub DESTROY {
1211 $_[0][1]->stop;
1212}
1213
1214# only needed for AnyEvent < 6 compatibility
1215sub one_event {
1216 Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1217}
1218
1219package urxvt::term;
445 1220
446=head2 The C<urxvt::term> Class 1221=head2 The C<urxvt::term> Class
447 1222
448=over 4 1223=over 4
1224
1225=cut
1226
1227# find on_xxx subs in the package and register them
1228# as hooks
1229sub register_package {
1230 my ($self, $pkg, $argv) = @_;
1231
1232 no strict 'refs';
1233
1234 urxvt::verbose 6, "register package $pkg to $self";
1235
1236 @{"$pkg\::ISA"} = urxvt::term::extension::;
1237
1238 my $proxy = bless {
1239 _pkg => $pkg,
1240 argv => $argv,
1241 }, $pkg;
1242 Scalar::Util::weaken ($proxy->{term} = $self);
1243
1244 $self->{_pkg}{$pkg} = $proxy;
1245
1246 for my $name (@HOOKNAME) {
1247 if (my $ref = $pkg->can ("on_" . lc $name)) {
1248 $proxy->enable ($name => $ref);
1249 }
1250 }
1251}
1252
1253=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1254
1255Creates a new terminal, very similar as if you had started it with system
1256C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1257hash which defines the environment of the new terminal.
1258
1259Croaks (and probably outputs an error message) if the new instance
1260couldn't be created. Returns C<undef> if the new instance didn't
1261initialise perl, and the terminal object otherwise. The C<init> and
1262C<start> hooks will be called before this call returns, and are free to
1263refer to global data (which is race free).
1264
1265=cut
1266
1267sub new {
1268 my ($class, $env, @args) = @_;
1269
1270 $env or Carp::croak "environment hash missing in call to urxvt::term->new";
1271 @args or Carp::croak "name argument missing in call to urxvt::term->new";
1272
1273 _new ([ map "$_=$env->{$_}", keys %$env ], \@args);
1274}
1275
1276=item $term->destroy
1277
1278Destroy the terminal object (close the window, free resources
1279etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
1280watchers (timers, io watchers) are still active.
1281
1282=item $term->exec_async ($cmd[, @args])
1283
1284Works like the combination of the C<fork>/C<exec> builtins, which executes
1285("starts") programs in the background. This function takes care of setting
1286the user environment before exec'ing the command (e.g. C<PATH>) and should
1287be preferred over explicit calls to C<exec> or C<system>.
1288
1289Returns the pid of the subprocess or C<undef> on error.
1290
1291=cut
1292
1293sub exec_async {
1294 my $self = shift;
1295
1296 my $pid = fork;
1297
1298 return $pid
1299 if !defined $pid or $pid;
1300
1301 %ENV = %{ $self->env };
1302
1303 exec @_;
1304 urxvt::_exit 255;
1305}
1306
1307=item $isset = $term->option ($optval[, $set])
1308
1309Returns true if the option specified by C<$optval> is enabled, and
1310optionally change it. All option values are stored by name in the hash
1311C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1312
1313Here is a likely non-exhaustive list of option names, please see the
1314source file F</src/optinc.h> to see the actual list:
1315
1316 borderLess buffered console cursorBlink cursorUnderline hold iconic
1317 insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1318 mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1319 pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1320 scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1321 secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
1322 urgentOnBell utmpInhibit visualBell
449 1323
450=item $value = $term->resource ($name[, $newval]) 1324=item $value = $term->resource ($name[, $newval])
451 1325
452Returns the current resource value associated with a given name and 1326Returns the current resource value associated with a given name and
453optionally sets a new value. Setting values is most useful in the C<init> 1327optionally sets a new value. Setting values is most useful in the C<init>
462likely change). 1336likely change).
463 1337
464Please note that resource strings will currently only be freed when the 1338Please note that resource strings will currently only be freed when the
465terminal is destroyed, so changing options frequently will eat memory. 1339terminal is destroyed, so changing options frequently will eat memory.
466 1340
467Here is a a likely non-exhaustive list of resource names, not all of which 1341Here is a likely non-exhaustive list of resource names, not all of which
468are supported in every build, please see the source to see the actual 1342are supported in every build, please see the source file F</src/rsinc.h>
469list: 1343to see the actual list:
470 1344
471 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1345 answerbackstring backgroundPixmap backspace_key blendtype blurradius
472 borderLess color cursorBlink cursorUnderline cutchars delete_key 1346 boldFont boldItalicFont borderLess buffered chdir color cursorBlink
473 display_name embed ext_bwidth fade font geometry hold iconName 1347 cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
474 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1348 fade font geometry hold iconName iconfile imFont imLocale inputMethod
1349 insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
475 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1350 jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
476 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1351 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
477 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1352 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
478 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1353 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
479 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1354 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
480 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1355 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
481 shade term_name title transparent transparent_all tripleclickwords 1356 secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1357 term_name title transient_for transparent tripleclickwords urgentOnBell
482 utmpInhibit visualBell 1358 utmpInhibit visualBell
483 1359
484=cut 1360=cut
485 1361
486sub urxvt::term::resource($$;$) { 1362sub resource($$;$) {
487 my ($self, $name) = (shift, shift); 1363 my ($self, $name) = (shift, shift);
488 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 1364 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
489 goto &urxvt::term::_resource; 1365 goto &urxvt::term::_resource
490} 1366}
1367
1368=item $value = $term->x_resource ($pattern)
1369
1370Returns the X-Resource for the given pattern, excluding the program or
1371class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1372same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1373resource with that pattern exists.
1374
1375This method should only be called during the C<on_start> hook, as there is
1376only one resource database per display, and later invocations might return
1377the wrong resources.
1378
1379=item $success = $term->parse_keysym ($keysym_spec, $command_string)
1380
1381Adds a keymap translation exactly as specified via a resource. See the
1382C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
1383
1384=item $rend = $term->rstyle ([$new_rstyle])
1385
1386Return and optionally change the current rendition. Text that is output by
1387the terminal application will use this style.
1388
1389=item ($row, $col) = $term->screen_cur ([$row, $col])
1390
1391Return the current coordinates of the text cursor position and optionally
1392set it (which is usually bad as applications don't expect that).
491 1393
492=item ($row, $col) = $term->selection_mark ([$row, $col]) 1394=item ($row, $col) = $term->selection_mark ([$row, $col])
493 1395
494=item ($row, $col) = $term->selection_beg ([$row, $col]) 1396=item ($row, $col) = $term->selection_beg ([$row, $col])
495 1397
496=item ($row, $col) = $term->selection_end ([$row, $col]) 1398=item ($row, $col) = $term->selection_end ([$row, $col])
497 1399
498Return the current values of the selection mark, begin or end positions, 1400Return the current values of the selection mark, begin or end positions.
499and optionally set them to new values.
500 1401
1402When arguments are given, then the selection coordinates are set to
1403C<$row> and C<$col>, and the selection screen is set to the current
1404screen.
1405
1406=item $screen = $term->selection_screen ([$screen])
1407
1408Returns the current selection screen, and then optionally sets it.
1409
1410=item $term->selection_make ($eventtime[, $rectangular])
1411
1412Tries to make a selection as set by C<selection_beg> and
1413C<selection_end>. If C<$rectangular> is true (default: false), a
1414rectangular selection will be made. This is the preferred function to make
1415a selection.
1416
501=item $success = $term->selection_grab ($eventtime) 1417=item $success = $term->selection_grab ($eventtime[, $clipboard])
502 1418
503Try to request the primary selection from the server (for example, as set 1419Try to acquire ownership of the primary (clipboard if C<$clipboard> is
504by the next method). 1420true) selection from the server. The corresponding text can be set
1421with the next method. No visual feedback will be given. This function
1422is mostly useful from within C<on_sel_grab> hooks.
505 1423
506=item $oldtext = $term->selection ([$newtext]) 1424=item $oldtext = $term->selection ([$newtext, $clipboard])
507 1425
508Return the current selection text and optionally replace it by C<$newtext>. 1426Return the current selection (clipboard if C<$clipboard> is true) text
1427and optionally replace it by C<$newtext>.
509 1428
1429=item $term->selection_clear ([$clipboard])
1430
1431Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1432
510#=item $term->overlay ($x, $y, $text) 1433=item $term->overlay_simple ($x, $y, $text)
511# 1434
512#Create a simple multi-line overlay box. See the next method for details. 1435Create a simple multi-line overlay box. See the next method for details.
513# 1436
514#=cut 1437=cut
515 1438
516sub urxvt::term::scr_overlay { 1439sub overlay_simple {
517die;
518 my ($self, $x, $y, $text) = @_; 1440 my ($self, $x, $y, $text) = @_;
519 1441
520 my @lines = split /\n/, $text; 1442 my @lines = split /\n/, $text;
521 1443
522 my $w = 0; 1444 my $w = List::Util::max map $self->strwidth ($_), @lines;
523 for (map $self->strwidth ($_), @lines) {
524 $w = $_ if $w < $_;
525 }
526 1445
527 $self->scr_overlay_new ($x, $y, $w, scalar @lines); 1446 my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
528 $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; 1447 $overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
1448
1449 $overlay
529} 1450}
530 1451
531=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) 1452=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
532 1453
533Create a new (empty) overlay at the given position with the given 1454Create a new (empty) overlay at the given position with the given
545 1466
546The methods currently supported on C<urxvt::overlay> objects are: 1467The methods currently supported on C<urxvt::overlay> objects are:
547 1468
548=over 4 1469=over 4
549 1470
550=item $overlay->set ($x, $y, $text, $rend) 1471=item $overlay->set ($x, $y, $text[, $rend])
551 1472
552Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts 1473Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
553text in rxvt-unicode's special encoding and an array of rendition values 1474text in rxvt-unicode's special encoding and an array of rendition values
554at a specific position inside the overlay. 1475at a specific position inside the overlay.
555 1476
1477If C<$rend> is missing, then the rendition will not be changed.
1478
556=item $overlay->hide 1479=item $overlay->hide
557 1480
558If visible, hide the overlay, but do not destroy it. 1481If visible, hide the overlay, but do not destroy it.
559 1482
560=item $overlay->show 1483=item $overlay->show
561 1484
562If hidden, display the overlay again. 1485If hidden, display the overlay again.
563 1486
564=back 1487=back
565 1488
1489=item $popup = $term->popup ($event)
1490
1491Creates a new C<urxvt::popup> object that implements a popup menu. The
1492C<$event> I<must> be the event causing the menu to pop up (a button event,
1493currently).
1494
1495=cut
1496
1497sub popup {
1498 my ($self, $event) = @_;
1499
1500 $self->grab ($event->{time}, 1)
1501 or return;
1502
1503 my $popup = bless {
1504 term => $self,
1505 event => $event,
1506 }, urxvt::popup::;
1507
1508 Scalar::Util::weaken $popup->{term};
1509
1510 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
1511 Scalar::Util::weaken $self->{_destroy}{$popup};
1512
1513 $popup
1514}
1515
566=item $cellwidth = $term->strwidth $string 1516=item $cellwidth = $term->strwidth ($string)
567 1517
568Returns the number of screen-cells this string would need. Correctly 1518Returns the number of screen-cells this string would need. Correctly
569accounts for wide and combining characters. 1519accounts for wide and combining characters.
570 1520
571=item $octets = $term->locale_encode $string 1521=item $octets = $term->locale_encode ($string)
572 1522
573Convert the given text string into the corresponding locale encoding. 1523Convert the given text string into the corresponding locale encoding.
574 1524
575=item $string = $term->locale_decode $octets 1525=item $string = $term->locale_decode ($octets)
576 1526
577Convert the given locale-encoded octets into a perl string. 1527Convert the given locale-encoded octets into a perl string.
578 1528
1529=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1530
1531XORs the rendition values in the given span with the provided value
1532(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1533refresh hooks to provide effects similar to the selection.
1534
1535=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1536
1537Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1538whitespace will additionally be xored with the C<$rstyle2>, which defaults
1539to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1540it instead. Both styles I<MUST NOT> contain font styles.
1541
1542=item $term->scr_bell
1543
1544Ring the bell!
1545
1546=item $term->scr_add_lines ($string)
1547
1548Write the given text string to the screen, as if output by the application
1549running inside the terminal. It may not contain command sequences (escape
1550codes), but is free to use line feeds, carriage returns and tabs. The
1551string is a normal text string, not in locale-dependent encoding.
1552
1553Normally its not a good idea to use this function, as programs might be
1554confused by changes in cursor position or scrolling. Its useful inside a
1555C<on_add_lines> hook, though.
1556
1557=item $term->scr_change_screen ($screen)
1558
1559Switch to given screen - 0 primary, 1 secondary.
1560
1561=item $term->cmd_parse ($octets)
1562
1563Similar to C<scr_add_lines>, but the argument must be in the
1564locale-specific encoding of the terminal and can contain command sequences
1565(escape codes) that will be interpreted.
1566
579=item $term->tt_write ($octets) 1567=item $term->tt_write ($octets)
580 1568
581Write the octets given in C<$data> to the tty (i.e. as program input). To 1569Write the octets given in C<$octets> to the tty (i.e. as program input). To
582pass characters instead of octets, you should convert your strings first 1570pass characters instead of octets, you should convert your strings first
583to the locale-specific encoding using C<< $term->locale_encode >>. 1571to the locale-specific encoding using C<< $term->locale_encode >>.
584 1572
1573=item $term->tt_paste ($octets)
1574
1575Write the octets given in C<$octets> to the tty as a paste, converting NL to
1576CR and bracketing the data with control sequences if bracketed paste mode
1577is set.
1578
1579=item $old_events = $term->pty_ev_events ([$new_events])
1580
1581Replaces the event mask of the pty watcher by the given event mask. Can
1582be used to suppress input and output handling to the pty/tty. See the
1583description of C<< urxvt::timer->events >>. Make sure to always restore
1584the previous value.
1585
1586=item $fd = $term->pty_fd
1587
1588Returns the master file descriptor for the pty in use, or C<-1> if no pty
1589is used.
1590
1591=item $windowid = $term->parent
1592
1593Return the window id of the toplevel window.
1594
1595=item $windowid = $term->vt
1596
1597Return the window id of the terminal window.
1598
1599=item $term->vt_emask_add ($x_event_mask)
1600
1601Adds the specified events to the vt event mask. Useful e.g. when you want
1602to receive pointer events all the times:
1603
1604 $term->vt_emask_add (urxvt::PointerMotionMask);
1605
1606=item $term->focus_in
1607
1608=item $term->focus_out
1609
1610=item $term->key_press ($state, $keycode[, $time])
1611
1612=item $term->key_release ($state, $keycode[, $time])
1613
1614Deliver various fake events to to terminal.
1615
1616=item $window_width = $term->width
1617
1618=item $window_height = $term->height
1619
1620=item $font_width = $term->fwidth
1621
1622=item $font_height = $term->fheight
1623
1624=item $font_ascent = $term->fbase
1625
585=item $nrow = $term->nrow 1626=item $terminal_rows = $term->nrow
586 1627
587=item $ncol = $term->ncol 1628=item $terminal_columns = $term->ncol
588 1629
589Return the number of rows/columns of the terminal window (i.e. as 1630=item $has_focus = $term->focus
590specified by C<-geometry>, excluding any scrollback).
591 1631
1632=item $is_mapped = $term->mapped
1633
1634=item $max_scrollback = $term->saveLines
1635
1636=item $nrow_plus_saveLines = $term->total_rows
1637
1638=item $topmost_scrollback_row = $term->top_row
1639
1640Return various integers describing terminal characteristics.
1641
1642=item $x_display = $term->display_id
1643
1644Return the DISPLAY used by rxvt-unicode.
1645
1646=item $lc_ctype = $term->locale
1647
1648Returns the LC_CTYPE category string used by this rxvt-unicode.
1649
592=item $nsaved = $term->nsaved 1650=item $env = $term->env
593 1651
594Returns the number of lines in the scrollback buffer. 1652Returns a copy of the environment in effect for the terminal as a hashref
1653similar to C<\%ENV>.
1654
1655=item @envv = $term->envv
1656
1657Returns the environment as array of strings of the form C<VAR=VALUE>.
1658
1659=item @argv = $term->argv
1660
1661Return the argument vector as this terminal, similar to @ARGV, but
1662includes the program name as first element.
1663
1664=cut
1665
1666sub env {
1667 +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1668}
1669
1670=item $modifiermask = $term->ModLevel3Mask
1671
1672=item $modifiermask = $term->ModMetaMask
1673
1674=item $modifiermask = $term->ModNumLockMask
1675
1676Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1677AltGr), the meta key (often Alt) and the num lock key, if applicable.
1678
1679=item $screen = $term->current_screen
1680
1681Returns the currently displayed screen (0 primary, 1 secondary).
1682
1683=item $cursor_is_hidden = $term->hidden_cursor
1684
1685Returns whether the cursor is currently hidden or not.
595 1686
596=item $view_start = $term->view_start ([$newvalue]) 1687=item $view_start = $term->view_start ([$newvalue])
597 1688
598Returns the negative row number of the topmost line. Minimum value is 1689Returns the row number of the topmost displayed line. Maximum value is
599C<0>, which displays the normal terminal contents. Larger values scroll 1690C<0>, which displays the normal terminal contents. Lower values scroll
600this many lines into the scrollback buffer. 1691this many lines into the scrollback buffer.
601 1692
602=item $term->want_refresh 1693=item $term->want_refresh
603 1694
604Requests a screen refresh. At the next opportunity, rxvt-unicode will 1695Requests a screen refresh. At the next opportunity, rxvt-unicode will
607 1698
608Used after changing terminal contents to display them. 1699Used after changing terminal contents to display them.
609 1700
610=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 1701=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
611 1702
612Returns the text of the entire row with number C<$row_number>. Row C<0> 1703Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
613is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost 1704is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
614terminal line. The scrollback buffer starts at line C<-1> and extends to
615line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line 1705terminal line. Nothing will be returned if a nonexistent line
616is requested. 1706is requested.
617 1707
618If C<$new_text> is specified, it will replace characters in the current 1708If C<$new_text> is specified, it will replace characters in the current
619line, starting at column C<$start_col> (default C<0>), which is useful 1709line, starting at column C<$start_col> (default C<0>), which is useful
620to replace only parts of a line. The font index in the rendition will 1710to replace only parts of a line. The font index in the rendition will
621automatically be updated. 1711automatically be updated.
622 1712
623C<$text> is in a special encoding: tabs and wide characters that use more 1713C<$text> is in a special encoding: tabs and wide characters that use more
624than one cell when displayed are padded with urxvt::NOCHAR characters 1714than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
625(C<chr 65535>). Characters with combining characters and other characters 1715characters. Characters with combining characters and other characters that
626that do not fit into the normal tetx encoding will be replaced with 1716do not fit into the normal text encoding will be replaced with characters
627characters in the private use area. 1717in the private use area.
628 1718
629You have to obey this encoding when changing text. The advantage is 1719You have to obey this encoding when changing text. The advantage is
630that C<substr> and similar functions work on screen cells and not on 1720that C<substr> and similar functions work on screen cells and not on
631characters. 1721characters.
632 1722
662about the logical line that row C<$row_number> is part of. It supports the 1752about the logical line that row C<$row_number> is part of. It supports the
663following methods: 1753following methods:
664 1754
665=over 4 1755=over 4
666 1756
667=item $text = $line->t 1757=item $text = $line->t ([$new_text])
668 1758
669Returns the full text of the line, similar to C<ROW_t> 1759Returns or replaces the full text of the line, similar to C<ROW_t>
670 1760
671=item $rend = $line->r 1761=item $rend = $line->r ([$new_rend])
672 1762
673Returns the full rendition array of the line, similar to C<ROW_r> 1763Returns or replaces the full rendition array of the line, similar to C<ROW_r>
674 1764
675=item $length = $line->l 1765=item $length = $line->l
676 1766
677Returns the length of the line in cells, similar to C<ROW_l>. 1767Returns the length of the line in cells, similar to C<ROW_l>.
678 1768
683Return the row number of the first/last row of the line, respectively. 1773Return the row number of the first/last row of the line, respectively.
684 1774
685=item $offset = $line->offset_of ($row, $col) 1775=item $offset = $line->offset_of ($row, $col)
686 1776
687Returns the character offset of the given row|col pair within the logical 1777Returns the character offset of the given row|col pair within the logical
688line. 1778line. Works for rows outside the line, too, and returns corresponding
1779offsets outside the string.
689 1780
690=item ($row, $col) = $line->coord_of ($offset) 1781=item ($row, $col) = $line->coord_of ($offset)
691 1782
692Translates a string offset into terminal coordinates again. 1783Translates a string offset into terminal coordinates again.
693 1784
694=back 1785=back
695 1786
696=cut 1787=cut
697 1788
698sub urxvt::term::line { 1789sub line {
699 my ($self, $row) = @_; 1790 my ($self, $row) = @_;
700 1791
701 my $maxrow = $self->nrow - 1; 1792 my $maxrow = $self->nrow - 1;
702 1793
703 my ($beg, $end) = ($row, $row); 1794 my ($beg, $end) = ($row, $row);
707 1798
708 bless { 1799 bless {
709 term => $self, 1800 term => $self,
710 beg => $beg, 1801 beg => $beg,
711 end => $end, 1802 end => $end,
1803 ncol => $self->ncol,
712 len => ($end - $beg) * $self->ncol + $self->ROW_l ($end), 1804 len => ($end - $beg) * $self->ncol + $self->ROW_l ($end),
713 }, urxvt::line:: 1805 }, urxvt::line::
714} 1806}
715 1807
716sub urxvt::line::t { 1808sub urxvt::line::t {
717 my ($self) = @_; 1809 my ($self) = @_;
718 1810
1811 if (@_ > 1)
1812 {
1813 $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1814 for $self->{beg} .. $self->{end};
1815 }
1816
1817 defined wantarray &&
719 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), 1818 substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
720 0, $self->{len} 1819 0, $self->{len}
721} 1820}
722 1821
723sub urxvt::line::r { 1822sub urxvt::line::r {
724 my ($self) = @_; 1823 my ($self) = @_;
725 1824
1825 if (@_ > 1)
1826 {
1827 $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1828 for $self->{beg} .. $self->{end};
1829 }
1830
1831 if (defined wantarray) {
726 my $rend = [ 1832 my $rend = [
727 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} 1833 map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
728 ]; 1834 ];
729 $#$rend = $self->{len} - 1; 1835 $#$rend = $self->{len} - 1;
730 $rend 1836 return $rend;
1837 }
1838
1839 ()
731} 1840}
732 1841
733sub urxvt::line::beg { $_[0]{beg} } 1842sub urxvt::line::beg { $_[0]{beg} }
734sub urxvt::line::end { $_[0]{end} } 1843sub urxvt::line::end { $_[0]{end} }
735sub urxvt::line::l { $_[0]{len} } 1844sub urxvt::line::l { $_[0]{len} }
736 1845
737sub urxvt::line::offset_of { 1846sub urxvt::line::offset_of {
738 my ($self, $row, $col) = @_; 1847 my ($self, $row, $col) = @_;
739 1848
740 ($row - $self->{beg}) * $self->{term}->ncol + $col 1849 ($row - $self->{beg}) * $self->{ncol} + $col
741} 1850}
742 1851
743sub urxvt::line::coord_of { 1852sub urxvt::line::coord_of {
744 my ($self, $offset) = @_; 1853 my ($self, $offset) = @_;
745 1854
746 use integer; 1855 use integer;
747 1856
748 ( 1857 (
749 $offset / $self->{term}->ncol + $self->{beg}, 1858 $offset / $self->{ncol} + $self->{beg},
750 $offset % $self->{term}->ncol 1859 $offset % $self->{ncol}
751 ) 1860 )
752} 1861}
753 1862
754=item ($row, $col) = $line->coord_of ($offset)
755=item $text = $term->special_encode $string 1863=item $text = $term->special_encode $string
756 1864
757Converts a perl string into the special encoding used by rxvt-unicode, 1865Converts a perl string into the special encoding used by rxvt-unicode,
758where one character corresponds to one screen cell. See 1866where one character corresponds to one screen cell. See
759C<< $term->ROW_t >> for details. 1867C<< $term->ROW_t >> for details.
760 1868
761=item $string = $term->special_decode $text 1869=item $string = $term->special_decode $text
762 1870
763Converts rxvt-unicodes text reprsentation into a perl string. See 1871Converts rxvt-unicodes text representation into a perl string. See
764C<< $term->ROW_t >> for details. 1872C<< $term->ROW_t >> for details.
765 1873
1874=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1875
1876=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1877
1878Register/unregister a synchronous button grab. See the XGrabButton
1879manpage.
1880
1881=item $success = $term->grab ($eventtime[, $sync])
1882
1883Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1884synchronous (C<$sync> is true). Also remembers the grab timestamp.
1885
1886=item $term->allow_events_async
1887
1888Calls XAllowEvents with AsyncBoth for the most recent grab.
1889
1890=item $term->allow_events_sync
1891
1892Calls XAllowEvents with SyncBoth for the most recent grab.
1893
1894=item $term->allow_events_replay
1895
1896Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1897recent grab.
1898
1899=item $term->ungrab
1900
1901Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1902evaluation errors, as it is better to lose the grab in the error case as
1903the session.
1904
1905=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1906
1907=item $atom_name = $term->XGetAtomName ($atom)
1908
1909=item @atoms = $term->XListProperties ($window)
1910
1911=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1912
1913=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
1914
1915=item $term->XDeleteProperty ($window, $property)
1916
1917=item $window = $term->DefaultRootWindow
1918
1919=item $term->XReparentWindow ($window, $parent, [$x, $y])
1920
1921=item $term->XMapWindow ($window)
1922
1923=item $term->XUnmapWindow ($window)
1924
1925=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1926
1927=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1928
1929=item $term->XChangeInput ($window, $add_events[, $del_events])
1930
1931Various X or X-related functions. The C<$term> object only serves as
1932the source of the display, otherwise those functions map more-or-less
1933directly onto the X functions of the same name.
1934
766=back 1935=back
1936
1937=cut
1938
1939package urxvt::popup;
1940
1941=head2 The C<urxvt::popup> Class
1942
1943=over 4
1944
1945=cut
1946
1947sub add_item {
1948 my ($self, $item) = @_;
1949
1950 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1951 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1952 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1953
1954 $item->{render} ||= sub { $_[0]{text} };
1955
1956 push @{ $self->{item} }, $item;
1957}
1958
1959=item $popup->add_title ($title)
1960
1961Adds a non-clickable title to the popup.
1962
1963=cut
1964
1965sub add_title {
1966 my ($self, $title) = @_;
1967
1968 $self->add_item ({
1969 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1970 text => $title,
1971 activate => sub { },
1972 });
1973}
1974
1975=item $popup->add_separator ([$sepchr])
1976
1977Creates a separator, optionally using the character given as C<$sepchr>.
1978
1979=cut
1980
1981sub add_separator {
1982 my ($self, $sep) = @_;
1983
1984 $sep ||= "=";
1985
1986 $self->add_item ({
1987 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1988 text => "",
1989 render => sub { $sep x $self->{term}->ncol },
1990 activate => sub { },
1991 });
1992}
1993
1994=item $popup->add_button ($text, $cb)
1995
1996Adds a clickable button to the popup. C<$cb> is called whenever it is
1997selected.
1998
1999=cut
2000
2001sub add_button {
2002 my ($self, $text, $cb) = @_;
2003
2004 $self->add_item ({ type => "button", text => $text, activate => $cb});
2005}
2006
2007=item $popup->add_toggle ($text, $initial_value, $cb)
2008
2009Adds a toggle/checkbox item to the popup. The callback gets called
2010whenever it gets toggled, with a boolean indicating its new value as its
2011first argument.
2012
2013=cut
2014
2015sub add_toggle {
2016 my ($self, $text, $value, $cb) = @_;
2017
2018 my $item; $item = {
2019 type => "button",
2020 text => " $text",
2021 value => $value,
2022 render => sub { ($_[0]{value} ? "* " : " ") . $text },
2023 activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
2024 };
2025
2026 $self->add_item ($item);
2027}
2028
2029=item $popup->show
2030
2031Displays the popup (which is initially hidden).
2032
2033=cut
2034
2035sub show {
2036 my ($self) = @_;
2037
2038 local $urxvt::popup::self = $self;
2039
2040 my $env = $self->{term}->env;
2041 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
2042 delete $env->{LC_ALL};
2043 $env->{LC_CTYPE} = $self->{term}->locale;
2044
2045 my $term = urxvt::term->new (
2046 $env, "popup",
2047 "--perl-lib" => "", "--perl-ext-common" => "",
2048 "-pty-fd" => -1, "-sl" => 0,
2049 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
2050 "--transient-for" => $self->{term}->parent,
2051 "-display" => $self->{term}->display_id,
2052 "-pe" => "urxvt-popup",
2053 ) or die "unable to create popup window\n";
2054
2055 unless (delete $term->{urxvt_popup_init_done}) {
2056 $term->ungrab;
2057 $term->destroy;
2058 die "unable to initialise popup window\n";
2059 }
2060}
2061
2062sub DESTROY {
2063 my ($self) = @_;
2064
2065 delete $self->{term}{_destroy}{$self};
2066 $self->{term}->ungrab;
2067}
2068
2069=back
2070
2071=cut
2072
2073package urxvt::watcher;
767 2074
768=head2 The C<urxvt::timer> Class 2075=head2 The C<urxvt::timer> Class
769 2076
770This class implements timer watchers/events. Time is represented as a 2077This class implements timer watchers/events. Time is represented as a
771fractional number of seconds since the epoch. Example: 2078fractional number of seconds since the epoch. Example:
775 ->new 2082 ->new
776 ->interval (1) 2083 ->interval (1)
777 ->cb (sub { 2084 ->cb (sub {
778 $term->{overlay}->set (0, 0, 2085 $term->{overlay}->set (0, 0,
779 sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]); 2086 sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
780 }); 2087 });
781 2088
782=over 4 2089=over 4
783 2090
784=item $timer = new urxvt::timer 2091=item $timer = new urxvt::timer
785 2092
788 2095
789=item $timer = $timer->cb (sub { my ($timer) = @_; ... }) 2096=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
790 2097
791Set the callback to be called when the timer triggers. 2098Set the callback to be called when the timer triggers.
792 2099
793=item $tstamp = $timer->at
794
795Return the time this watcher will fire next.
796
797=item $timer = $timer->set ($tstamp) 2100=item $timer = $timer->set ($tstamp[, $interval])
798 2101
799Set the time the event is generated to $tstamp. 2102Set the time the event is generated to $tstamp (and optionally specifies a
2103new $interval).
800 2104
801=item $timer = $timer->interval ($interval) 2105=item $timer = $timer->interval ($interval)
802 2106
803Normally (and when C<$interval> is C<0>), the timer will automatically 2107By default (and when C<$interval> is C<0>), the timer will automatically
804stop after it has fired once. If C<$interval> is non-zero, then the timer 2108stop after it has fired once. If C<$interval> is non-zero, then the timer
805is automatically rescheduled at the given intervals. 2109is automatically rescheduled at the given intervals.
806 2110
807=item $timer = $timer->start 2111=item $timer = $timer->start
808 2112
809Start the timer. 2113Start the timer.
810 2114
811=item $timer = $timer->start ($tstamp) 2115=item $timer = $timer->start ($tstamp[, $interval])
812 2116
813Set the event trigger time to C<$tstamp> and start the timer. 2117Set the event trigger time to C<$tstamp> and start the timer. Optionally
2118also replaces the interval.
2119
2120=item $timer = $timer->after ($delay[, $interval])
2121
2122Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
814 2123
815=item $timer = $timer->stop 2124=item $timer = $timer->stop
816 2125
817Stop the timer. 2126Stop the timer.
818 2127
824 2133
825 $term->{socket} = ... 2134 $term->{socket} = ...
826 $term->{iow} = urxvt::iow 2135 $term->{iow} = urxvt::iow
827 ->new 2136 ->new
828 ->fd (fileno $term->{socket}) 2137 ->fd (fileno $term->{socket})
829 ->events (1) # wait for read data 2138 ->events (urxvt::EV_READ)
830 ->start 2139 ->start
831 ->cb (sub { 2140 ->cb (sub {
832 my ($iow, $revents) = @_; 2141 my ($iow, $revents) = @_;
833 # $revents must be 1 here, no need to check 2142 # $revents must be 1 here, no need to check
834 sysread $term->{socket}, my $buf, 8192 2143 sysread $term->{socket}, my $buf, 8192
847Set the callback to be called when io events are triggered. C<$reventmask> 2156Set the callback to be called when io events are triggered. C<$reventmask>
848is a bitset as described in the C<events> method. 2157is a bitset as described in the C<events> method.
849 2158
850=item $iow = $iow->fd ($fd) 2159=item $iow = $iow->fd ($fd)
851 2160
852Set the filedescriptor (not handle) to watch. 2161Set the file descriptor (not handle) to watch.
853 2162
854=item $iow = $iow->events ($eventmask) 2163=item $iow = $iow->events ($eventmask)
855 2164
856Set the event mask to watch. Bit #0 (value C<1>) enables watching for read 2165Set the event mask to watch. The only allowed values are
857data, Bit #1 (value C<2>) enables watching for write data. 2166C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
2167together, or C<urxvt::EV_NONE>.
858 2168
859=item $iow = $iow->start 2169=item $iow = $iow->start
860 2170
861Start watching for requested events on the given handle. 2171Start watching for requested events on the given handle.
862 2172
863=item $iow = $iow->stop 2173=item $iow = $iow->stop
864 2174
865Stop watching for events on the given filehandle. 2175Stop watching for events on the given file handle.
2176
2177=back
2178
2179=head2 The C<urxvt::iw> Class
2180
2181This class implements idle watchers, that get called automatically when
2182the process is idle. They should return as fast as possible, after doing
2183some useful work.
2184
2185=over 4
2186
2187=item $iw = new urxvt::iw
2188
2189Create a new idle watcher object in stopped state.
2190
2191=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
2192
2193Set the callback to be called when the watcher triggers.
2194
2195=item $timer = $timer->start
2196
2197Start the watcher.
2198
2199=item $timer = $timer->stop
2200
2201Stop the watcher.
2202
2203=back
2204
2205=head2 The C<urxvt::pw> Class
2206
2207This class implements process watchers. They create an event whenever a
2208process exits, after which they stop automatically.
2209
2210 my $pid = fork;
2211 ...
2212 $term->{pw} = urxvt::pw
2213 ->new
2214 ->start ($pid)
2215 ->cb (sub {
2216 my ($pw, $exit_status) = @_;
2217 ...
2218 });
2219
2220=over 4
2221
2222=item $pw = new urxvt::pw
2223
2224Create a new process watcher in stopped state.
2225
2226=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
2227
2228Set the callback to be called when the timer triggers.
2229
2230=item $pw = $timer->start ($pid)
2231
2232Tells the watcher to start watching for process C<$pid>.
2233
2234=item $pw = $pw->stop
2235
2236Stop the watcher.
866 2237
867=back 2238=back
868 2239
869=head1 ENVIRONMENT 2240=head1 ENVIRONMENT
870 2241
873This variable controls the verbosity level of the perl extension. Higher 2244This variable controls the verbosity level of the perl extension. Higher
874numbers indicate more verbose output. 2245numbers indicate more verbose output.
875 2246
876=over 4 2247=over 4
877 2248
878=item =0 - only fatal messages 2249=item == 0 - fatal messages
879 2250
880=item =3 - script loading and management 2251=item >= 3 - script loading and management
881 2252
882=item =10 - all events received 2253=item >=10 - all called hooks
2254
2255=item >=11 - hook return values
883 2256
884=back 2257=back
885 2258
886=head1 AUTHOR 2259=head1 AUTHOR
887 2260
888 Marc Lehmann <pcg@goof.com> 2261 Marc Lehmann <schmorp@schmorp.de>
889 http://software.schmorp.de/pkg/rxvt-unicode 2262 http://software.schmorp.de/pkg/rxvt-unicode
890 2263
891=cut 2264=cut
892 2265
8931 22661
2267
2268# vim: sw=3:

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