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Revision 1.72 by root, Mon Jan 9 23:30:01 2006 UTC vs.
Revision 1.205 by root, Tue Jun 5 19:32:29 2012 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, extension scripts specified via 22Every time a terminal object gets created, extension scripts specified via
23the C<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 (enabled by default) 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
61=item option-popup (enabled by default) 97=item option-popup (enabled by default)
62 98
63Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at 99Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
64runtime. 100runtime.
65 101
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
66=item selection-popup (enabled by default) 119=item selection-popup (enabled by default)
67 120
68Binds a popup menu to Ctrl-Button3 that lets you convert the selection 121Binds a popup menu to Ctrl-Button3 that lets you convert the selection
69text into various other formats/action. 122text into various other formats/action (such as uri unescaping, perl
123evaluation, web-browser starting etc.), depending on content.
70 124
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
71=item searchable-scrollback (enabled by default) 144=item searchable-scrollback<hotkey> (enabled by default)
72 145
73Adds regex search functionality to the scrollback buffer, triggered by a 146Adds regex search functionality to the scrollback buffer, triggered
74hotkey (default: C<M-s>). When in search mode, terminal input/output is 147by a hotkey (default: C<M-s>). While in search mode, normal terminal
75suspended, C</> starts an incremental regex search, C<n> searches further, 148input/output is suspended and a regex is displayed at the bottom of the
76C<p> jumps to the previous match. C<enter> leaves search mode at the 149screen.
77current position and C<escape> returns to the original position.
78 150
79=item digital-clock 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.
80 158
81Displays a digital clock using the built-in overlay. 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.
82 162
83=item mark-urls 163See L<perlre> for more info about perl regular expression syntax.
84 164
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
85Uses per-line display filtering (C<on_line_update>) to underline urls. 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.
86 315
87=item block-graphics-to-ascii 316=item block-graphics-to-ascii
88 317
89A not very useful example of filtering all text output to the terminal, 318A not very useful example of filtering all text output to the terminal
90by replacing all line-drawing characters (U+2500 .. U+259F) by a 319by replacing all line-drawing characters (U+2500 .. U+259F) by a
91similar-looking ascii character. 320similar-looking ascii character.
321
322=item digital-clock
323
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.
92 393
93=item example-refresh-hooks 394=item example-refresh-hooks
94 395
95Displays 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
96window. Illustrates overwriting the refresh callbacks to create your own 397window. Illustrates overwriting the refresh callbacks to create your own
97overlays or changes. 398overlays or changes.
98 399
400=item confirm-paste
401
402Displays a confirmation dialog when a paste containing at least a full
403line is detected.
404
405=item bell-command
406
407Runs the command specified by the C<URxvt.bell-command> resource when
408a bell event occurs. For example, the following pops up a notification
409bubble with the text "Beep, Beep" using notify-send:
410
411 URxvt.bell-command: notify-send "Beep, Beep"
412
99=back 413=back
414
415=head1 API DOCUMENTATION
100 416
101=head2 General API Considerations 417=head2 General API Considerations
102 418
103All objects (such as terminals, time watchers etc.) are typical 419All objects (such as terminals, time watchers etc.) are typical
104reference-to-hash objects. The hash can be used to store anything you 420reference-to-hash objects. The hash can be used to store anything you
116 432
117=over 4 433=over 4
118 434
119=item $text 435=item $text
120 436
121Rxvt-unicodes special way of encoding text, where one "unicode" character 437Rxvt-unicode's special way of encoding text, where one "unicode" character
122always represents one screen cell. See L<row_t> for a discussion of this format. 438always represents one screen cell. See L<ROW_t> for a discussion of this format.
123 439
124=item $string 440=item $string
125 441
126A perl text string, with an emphasis on I<text>. It can store all unicode 442A perl text string, with an emphasis on I<text>. It can store all unicode
127characters and is to be distinguished with text encoded in a specific 443characters and is to be distinguished with text encoded in a specific
130=item $octets 446=item $octets
131 447
132Either binary data or - more common - a text string encoded in a 448Either binary data or - more common - a text string encoded in a
133locale-specific way. 449locale-specific way.
134 450
451=item $keysym
452
453an integer that is a valid X11 keysym code. You can convert a string
454into a keysym and viceversa by using C<XStringToKeysym> and
455C<XKeysymToString>.
456
135=back 457=back
136 458
137=head2 Extension Objects 459=head2 Extension Objects
138 460
139Very perl extension is a perl class. A separate perl object is created 461Every perl extension is a perl class. A separate perl object is created
140for each terminal and each extension and passed as the first parameter to 462for each terminal, and each terminal has its own set of extension objects,
141hooks. So extensions can use their C<$self> object without having to think 463which are passed as the first parameter to hooks. So extensions can use
142about other extensions, with the exception of methods and members that 464their C<$self> object without having to think about clashes with other
465extensions or other terminals, with the exception of methods and members
143begin with an underscore character C<_>: these are reserved for internal 466that begin with an underscore character C<_>: these are reserved for
144use. 467internal use.
145 468
146Although it isn't a C<urxvt::term> object, you can call all methods of the 469Although it isn't a C<urxvt::term> object, you can call all methods of the
147C<urxvt::term> class on this object. 470C<urxvt::term> class on this object.
148 471
149It has the following methods and data members: 472It has the following methods and data members:
170=head2 Hooks 493=head2 Hooks
171 494
172The following subroutines can be declared in extension files, and will be 495The following subroutines can be declared in extension files, and will be
173called whenever the relevant event happens. 496called whenever the relevant event happens.
174 497
175The first argument passed to them is an extension oject as described in 498The first argument passed to them is an extension object as described in
176the in the C<Extension Objects> section. 499the in the C<Extension Objects> section.
177 500
178B<All> of these hooks must return a boolean value. If it is true, then the 501B<All> of these hooks must return a boolean value. If any of the called
179event counts as being I<consumed>, and the invocation of other hooks is 502hooks returns true, then the event counts as being I<consumed>, and the
180skipped, and the relevant action might not be carried out by the C++ code. 503relevant action might not be carried out by the C++ code.
181 504
182I<< When in doubt, return a false value (preferably C<()>). >> 505I<< When in doubt, return a false value (preferably C<()>). >>
183 506
184=over 4 507=over 4
185 508
186=item on_init $term 509=item on_init $term
187 510
188Called after a new terminal object has been initialized, but before 511Called after a new terminal object has been initialized, but before
189windows are created or the command gets run. Most methods are unsafe to 512windows are created or the command gets run. Most methods are unsafe to
190call or deliver senseless data, as terminal size and other characteristics 513call or deliver senseless data, as terminal size and other characteristics
191have not yet been determined. You can safely query and change resources, 514have not yet been determined. You can safely query and change resources
192though. 515and options, though. For many purposes the C<on_start> hook is a better
516place.
517
518=item on_start $term
519
520Called at the very end of initialisation of a new terminal, just before
521trying to map (display) the toplevel and returning to the main loop.
522
523=item on_destroy $term
524
525Called whenever something tries to destroy terminal, when the terminal is
526still fully functional (not for long, though).
193 527
194=item on_reset $term 528=item on_reset $term
195 529
196Called after the screen is "reset" for any reason, such as resizing or 530Called after the screen is "reset" for any reason, such as resizing or
197control sequences. Here is where you can react on changes to size-related 531control sequences. Here is where you can react on changes to size-related
198variables. 532variables.
199 533
200=item on_start $term 534=item on_child_start $term, $pid
201 535
202Called at the very end of initialisation of a new terminal, just before 536Called just after the child process has been C<fork>ed.
203returning to the mainloop. 537
538=item on_child_exit $term, $status
539
540Called just after the child process has exited. C<$status> is the status
541from C<waitpid>.
204 542
205=item on_sel_make $term, $eventtime 543=item on_sel_make $term, $eventtime
206 544
207Called whenever a selection has been made by the user, but before the 545Called whenever a selection has been made by the user, but before the
208selection text is copied, so changes to the beginning, end or type of the 546selection text is copied, so changes to the beginning, end or type of the
215 553
216Called whenever a selection has been copied, but before the selection is 554Called whenever a selection has been copied, but before the selection is
217requested from the server. The selection text can be queried and changed 555requested from the server. The selection text can be queried and changed
218by calling C<< $term->selection >>. 556by calling C<< $term->selection >>.
219 557
220Returning a true value aborts selection grabbing. It will still be hilighted. 558Returning a true value aborts selection grabbing. It will still be highlighted.
221 559
222=item on_sel_extend $term 560=item on_sel_extend $term
223 561
224Called whenever the user tries to extend the selection (e.g. with a double 562Called whenever the user tries to extend the selection (e.g. with a double
225click) and is either supposed to return false (normal operation), or 563click) and is either supposed to return false (normal operation), or
226should extend the selection itelf and return true to suppress the built-in 564should extend the selection itself and return true to suppress the built-in
227processing. 565processing. This can happen multiple times, as long as the callback
566returns true, it will be called on every further click by the user and is
567supposed to enlarge the selection more and more, if possible.
228 568
229See the F<selection> example extension. 569See the F<selection> example extension.
230 570
231=item on_view_change $term, $offset 571=item on_view_change $term, $offset
232 572
233Called whenever the view offset changes, i..e the user or program 573Called whenever the view offset changes, i.e. the user or program
234scrolls. Offset C<0> means display the normal terminal, positive values 574scrolls. Offset C<0> means display the normal terminal, positive values
235show this many lines of scrollback. 575show this many lines of scrollback.
236 576
237=item on_scroll_back $term, $lines, $saved 577=item on_scroll_back $term, $lines, $saved
238 578
242 582
243It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 583It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
244$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total 584$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
245number of lines that will be in the scrollback buffer. 585number of lines that will be in the scrollback buffer.
246 586
247=item on_osc_seq $term, $string 587=item on_osc_seq $term, $op, $args, $resp
588
589Called on every OSC sequence and can be used to suppress it or modify its
590behaviour. The default should be to return an empty list. A true value
591suppresses execution of the request completely. Make sure you don't get
592confused by recursive invocations when you output an OSC sequence within
593this callback.
594
595C<on_osc_seq_perl> should be used for new behaviour.
596
597=item on_osc_seq_perl $term, $args, $resp
248 598
249Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = 599Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
250operating system command) is processed. Cursor position and other state 600operating system command) is processed. Cursor position and other state
251information is up-to-date when this happens. For interoperability, the 601information is up-to-date when this happens. For interoperability, the
252string should start with the extension name and a colon, to distinguish 602string should start with the extension name (sans -osc) and a semicolon,
253it from commands for other extensions, and this might be enforced in the 603to distinguish it from commands for other extensions, and this might be
254future. 604enforced in the future.
605
606For example, C<overlay-osc> uses this:
607
608 sub on_osc_seq_perl {
609 my ($self, $osc, $resp) = @_;
610
611 return unless $osc =~ s/^overlay;//;
612
613 ... process remaining $osc string
614 }
255 615
256Be careful not ever to trust (in a security sense) the data you receive, 616Be careful not ever to trust (in a security sense) the data you receive,
257as its source can not easily be controleld (e-mail content, messages from 617as its source can not easily be controlled (e-mail content, messages from
258other users on the same system etc.). 618other users on the same system etc.).
619
620For responses, C<$resp> contains the end-of-args separator used by the
621sender.
259 622
260=item on_add_lines $term, $string 623=item on_add_lines $term, $string
261 624
262Called whenever text is about to be output, with the text as argument. You 625Called whenever text is about to be output, with the text as argument. You
263can filter/change and output the text yourself by returning a true value 626can filter/change and output the text yourself by returning a true value
268=item on_tt_write $term, $octets 631=item on_tt_write $term, $octets
269 632
270Called whenever some data is written to the tty/pty and can be used to 633Called whenever some data is written to the tty/pty and can be used to
271suppress or filter tty input. 634suppress or filter tty input.
272 635
636=item on_tt_paste $term, $octets
637
638Called whenever text is about to be pasted, with the text as argument. You
639can filter/change and paste the text yourself by returning a true value
640and calling C<< $term->tt_paste >> yourself. C<$octets> is
641locale-encoded.
642
273=item on_line_update $term, $row 643=item on_line_update $term, $row
274 644
275Called whenever a line was updated or changed. Can be used to filter 645Called whenever a line was updated or changed. Can be used to filter
276screen output (e.g. underline urls or other useless stuff). Only lines 646screen output (e.g. underline urls or other useless stuff). Only lines
277that are being shown will be filtered, and, due to performance reasons, 647that are being shown will be filtered, and, due to performance reasons,
284later with the already-modified line (e.g. if unrelated parts change), so 654later with the already-modified line (e.g. if unrelated parts change), so
285you cannot just toggle rendition bits, but only set them. 655you cannot just toggle rendition bits, but only set them.
286 656
287=item on_refresh_begin $term 657=item on_refresh_begin $term
288 658
289Called just before the screen gets redrawn. Can be used for overlay 659Called just before the screen gets redrawn. Can be used for overlay or
290or similar effects by modify terminal contents in refresh_begin, and 660similar effects by modifying the terminal contents in refresh_begin, and
291restoring them in refresh_end. The built-in overlay and selection display 661restoring them in refresh_end. The built-in overlay and selection display
292code is run after this hook, and takes precedence. 662code is run after this hook, and takes precedence.
293 663
294=item on_refresh_end $term 664=item on_refresh_end $term
295 665
296Called just after the screen gets redrawn. See C<on_refresh_begin>. 666Called just after the screen gets redrawn. See C<on_refresh_begin>.
297 667
298=item on_keyboard_command $term, $string 668=item on_user_command $term, $string
299 669
300Called whenever the user presses a key combination that has a 670Called whenever a user-configured event is being activated (e.g. via
301C<perl:string> action bound to it (see description of the B<keysym> 671a C<perl:string> action bound to a key, see description of the B<keysym>
302resource in the @@RXVT_NAME@@(1) manpage). 672resource in the @@RXVT_NAME@@(1) manpage).
673
674The event is simply the action string. This interface is assumed to change
675slightly in the future.
676
677=item on_register_command $term, $keysym, $modifiermask, $string
678
679Called after parsing a keysym resource but before registering the
680associated binding. If this hook returns TRUE the binding is not
681registered. It can be used to modify a binding by calling
682C<register_command>.
683
684=item on_resize_all_windows $term, $new_width, $new_height
685
686Called just after the new window size has been calculated, but before
687windows are actually being resized or hints are being set. If this hook
688returns TRUE, setting of the window hints is being skipped.
689
690=item on_x_event $term, $event
691
692Called on every X event received on the vt window (and possibly other
693windows). Should only be used as a last resort. Most event structure
694members are not passed.
695
696=item on_root_event $term, $event
697
698Like C<on_x_event>, but is called for events on the root window.
303 699
304=item on_focus_in $term 700=item on_focus_in $term
305 701
306Called whenever the window gets the keyboard focus, before rxvt-unicode 702Called whenever the window gets the keyboard focus, before rxvt-unicode
307does focus in processing. 703does focus in processing.
308 704
309=item on_focus_out $term 705=item on_focus_out $term
310 706
311Called wheneever the window loses keyboard focus, before rxvt-unicode does 707Called whenever the window loses keyboard focus, before rxvt-unicode does
312focus out processing. 708focus out processing.
313 709
710=item on_configure_notify $term, $event
711
712=item on_property_notify $term, $event
713
314=item on_key_press $term, $event, $keysym, $octets 714=item on_key_press $term, $event, $keysym, $octets
315 715
316=item on_key_release $term, $event, $keysym 716=item on_key_release $term, $event, $keysym
317 717
318=item on_button_press $term, $event 718=item on_button_press $term, $event
323 723
324=item on_map_notify $term, $event 724=item on_map_notify $term, $event
325 725
326=item on_unmap_notify $term, $event 726=item on_unmap_notify $term, $event
327 727
328Called whenever the corresponding X event is received for the terminal If 728Called whenever the corresponding X event is received for the terminal. If
329the hook returns true, then the even will be ignored by rxvt-unicode. 729the hook returns true, then the event will be ignored by rxvt-unicode.
330 730
331The event is a hash with most values as named by Xlib (see the XEvent 731The event is a hash with most values as named by Xlib (see the XEvent
332manpage), with the additional members C<row> and C<col>, which are the row 732manpage), with the additional members C<row> and C<col>, which are the
333and column under the mouse cursor. 733(real, not screen-based) row and column under the mouse cursor.
334 734
335C<on_key_press> additionally receives the string rxvt-unicode would 735C<on_key_press> additionally receives the string rxvt-unicode would
336output, if any, in locale-specific encoding. 736output, if any, in locale-specific encoding.
337 737
338subwindow. 738subwindow.
339 739
340=back 740=item on_client_message $term, $event
341 741
342=head2 Variables in the C<urxvt> Package 742=item on_wm_protocols $term, $event
343 743
344=over 4 744=item on_wm_delete_window $term, $event
345 745
346=item $urxvt::TERM 746Called when various types of ClientMessage events are received (all with
747format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
347 748
348The current terminal. This variable stores the current C<urxvt::term> 749=item on_bell $term
349object, whenever a callback/hook is executing.
350 750
351=back 751Called on receipt of a bell character.
352
353=head2 Functions in the C<urxvt> Package
354
355=over 4
356
357=item $term = new urxvt [arg...]
358
359Creates a new terminal, very similar as if you had started it with
360C<system $binfile, arg...>. Croaks (and probably outputs an error message)
361if the new instance couldn't be created. Returns C<undef> if the new
362instance didn't initialise perl, and the terminal object otherwise. The
363C<init> and C<start> hooks will be called during the call.
364
365=item urxvt::fatal $errormessage
366
367Fatally aborts execution with the given error message. Avoid at all
368costs! The only time this is acceptable is when the terminal process
369starts up.
370
371=item urxvt::warn $string
372
373Calls C<rxvt_warn> with the given string which should not include a
374newline. The module also overwrites the C<warn> builtin with a function
375that calls this function.
376
377Using this function has the advantage that its output ends up in the
378correct place, e.g. on stderr of the connecting urxvtc client.
379
380=item $is_safe = urxvt::safe
381
382Returns true when it is safe to do potentially unsafe things, such as
383evaluating perl code specified by the user. This is true when urxvt was
384started setuid or setgid.
385
386=item $time = urxvt::NOW
387
388Returns the "current time" (as per the event loop).
389
390=item urxvt::CurrentTime
391
392=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
393Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
394Button4Mask, Button5Mask, AnyModifier
395
396Various constants for use in X calls and event processing.
397
398=back
399
400=head2 RENDITION
401
402Rendition bitsets contain information about colour, font, font styles and
403similar information for each screen cell.
404
405The following "macros" deal with changes in rendition sets. You should
406never just create a bitset, you should always modify an existing one,
407as they contain important information required for correct operation of
408rxvt-unicode.
409
410=over 4
411
412=item $rend = urxvt::DEFAULT_RSTYLE
413
414Returns the default rendition, as used when the terminal is starting up or
415being reset. Useful as a base to start when creating renditions.
416
417=item $rend = urxvt::OVERLAY_RSTYLE
418
419Return the rendition mask used for overlays by default.
420
421=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline
422
423Return the bit that enabled bold, italic, blink, reverse-video and
424underline, respectively. To enable such a style, just logically OR it into
425the bitset.
426
427=item $foreground = urxvt::GET_BASEFG $rend
428
429=item $background = urxvt::GET_BASEBG $rend
430
431Return the foreground/background colour index, respectively.
432
433=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour)
434
435=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour)
436
437Replace the foreground/background colour in the rendition mask with the
438specified one.
439
440=item $value = urxvt::GET_CUSTOM ($rend)
441
442Return the "custom" value: Every rendition has 5 bits for use by
443extensions. They can be set and changed as you like and are initially
444zero.
445
446=item $rend = urxvt::SET_CUSTOM ($rend, $new_value)
447
448Change the custom value.
449 752
450=back 753=back
451 754
452=cut 755=cut
453 756
459use Scalar::Util (); 762use Scalar::Util ();
460use List::Util (); 763use List::Util ();
461 764
462our $VERSION = 1; 765our $VERSION = 1;
463our $TERM; 766our $TERM;
767our @TERM_INIT;
768our @TERM_EXT;
464our @HOOKNAME; 769our @HOOKNAME;
465our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 770our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
466our %OPTION; 771our %OPTION;
772
467our $LIBDIR; 773our $LIBDIR;
774our $RESNAME;
775our $RESCLASS;
776our $RXVTNAME;
777
778our $NOCHAR = chr 0xffff;
779
780=head2 Variables in the C<urxvt> Package
781
782=over 4
783
784=item $urxvt::LIBDIR
785
786The rxvt-unicode library directory, where, among other things, the perl
787modules and scripts are stored.
788
789=item $urxvt::RESCLASS, $urxvt::RESCLASS
790
791The resource class and name rxvt-unicode uses to look up X resources.
792
793=item $urxvt::RXVTNAME
794
795The basename of the installed binaries, usually C<urxvt>.
796
797=item $urxvt::TERM
798
799The current terminal. This variable stores the current C<urxvt::term>
800object, whenever a callback/hook is executing.
801
802=item @urxvt::TERM_INIT
803
804All code references in this array will be called as methods of the next newly
805created C<urxvt::term> object (during the C<on_init> phase). The array
806gets cleared before the code references that were in it are being executed,
807so references can push themselves onto it again if they so desire.
808
809This complements to the perl-eval command line option, but gets executed
810first.
811
812=item @urxvt::TERM_EXT
813
814Works similar to C<@TERM_INIT>, but contains perl package/class names, which
815get registered as normal extensions after calling the hooks in C<@TERM_INIT>
816but before other extensions. Gets cleared just like C<@TERM_INIT>.
817
818=back
819
820=head2 Functions in the C<urxvt> Package
821
822=over 4
823
824=item urxvt::fatal $errormessage
825
826Fatally aborts execution with the given error message (which should
827include a trailing newline). Avoid at all costs! The only time this
828is acceptable (and useful) is in the init hook, where it prevents the
829terminal from starting up.
830
831=item urxvt::warn $string
832
833Calls C<rxvt_warn> with the given string which should include a trailing
834newline. The module also overwrites the C<warn> builtin with a function
835that calls this function.
836
837Using this function has the advantage that its output ends up in the
838correct place, e.g. on stderr of the connecting urxvtc client.
839
840Messages have a size limit of 1023 bytes currently.
841
842=item @terms = urxvt::termlist
843
844Returns all urxvt::term objects that exist in this process, regardless of
845whether they are started, being destroyed etc., so be careful. Only term
846objects that have perl extensions attached will be returned (because there
847is no urxvt::term object associated with others).
848
849=item $time = urxvt::NOW
850
851Returns the "current time" (as per the event loop).
852
853=item urxvt::CurrentTime
854
855=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
856Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
857Button4Mask, Button5Mask, AnyModifier
858
859=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
860ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
861PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
862Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
863KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
864ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
865FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
866
867=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
868EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
869GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
870UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
871ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
872CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
873SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
874
875Various constants for use in X calls and event processing.
876
877=back
878
879=head2 RENDITION
880
881Rendition bitsets contain information about colour, font, font styles and
882similar information for each screen cell.
883
884The following "macros" deal with changes in rendition sets. You should
885never just create a bitset, you should always modify an existing one,
886as they contain important information required for correct operation of
887rxvt-unicode.
888
889=over 4
890
891=item $rend = urxvt::DEFAULT_RSTYLE
892
893Returns the default rendition, as used when the terminal is starting up or
894being reset. Useful as a base to start when creating renditions.
895
896=item $rend = urxvt::OVERLAY_RSTYLE
897
898Return the rendition mask used for overlays by default.
899
900=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
901urxvt::RS_RVid, urxvt::RS_Uline
902
903Return the bit that enabled bold, italic, blink, reverse-video and
904underline, respectively. To enable such a style, just logically OR it into
905the bitset.
906
907=item $foreground = urxvt::GET_BASEFG $rend
908
909=item $background = urxvt::GET_BASEBG $rend
910
911Return the foreground/background colour index, respectively.
912
913=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
914
915=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
916
917=item $rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg
918
919Replace the foreground/background colour in the rendition mask with the
920specified one.
921
922=item $value = urxvt::GET_CUSTOM $rend
923
924Return the "custom" value: Every rendition has 5 bits for use by
925extensions. They can be set and changed as you like and are initially
926zero.
927
928=item $rend = urxvt::SET_CUSTOM $rend, $new_value
929
930Change the custom value.
931
932=back
933
934=cut
468 935
469BEGIN { 936BEGIN {
470 urxvt->bootstrap;
471
472 # overwrite perl's warn 937 # overwrite perl's warn
473 *CORE::GLOBAL::warn = sub { 938 *CORE::GLOBAL::warn = sub {
474 my $msg = join "", @_; 939 my $msg = join "", @_;
475 $msg .= "\n" 940 $msg .= "\n"
476 unless $msg =~ /\n$/; 941 unless $msg =~ /\n$/;
477 urxvt::warn ($msg); 942 urxvt::warn ($msg);
478 }; 943 };
479
480 delete $ENV{IFS};
481 delete $ENV{CDPATH};
482 delete $ENV{BASH_ENV};
483 $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin";
484} 944}
485 945
486my @hook_count; 946no warnings 'utf8';
947
487my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 948my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
488 949
489sub verbose { 950sub verbose {
490 my ($level, $msg) = @_; 951 my ($level, $msg) = @_;
491 warn "$msg\n" if $level <= $verbosity; 952 warn "$msg\n" if $level <= $verbosity;
492} 953}
493 954
494my $extension_pkg = "extension0000";
495my %extension_pkg; 955my %extension_pkg;
496 956
497# load a single script into its own package, once only 957# load a single script into its own package, once only
498sub extension_package($) { 958sub extension_package($) {
499 my ($path) = @_; 959 my ($path) = @_;
500 960
501 $extension_pkg{$path} ||= do { 961 $extension_pkg{$path} ||= do {
502 my $pkg = "urxvt::" . ($extension_pkg++); 962 $path =~ /([^\/\\]+)$/;
963 my $pkg = $1;
964 $pkg =~ s/[^[:word:]]/_/g;
965 $pkg = "urxvt::ext::$pkg";
503 966
504 verbose 3, "loading extension '$path' into package '$pkg'"; 967 verbose 3, "loading extension '$path' into package '$pkg'";
505 968
506 open my $fh, "<:raw", $path 969 open my $fh, "<:raw", $path
507 or die "$path: $!"; 970 or die "$path: $!";
508 971
509 my $source = untaint 972 my $source =
510 "package $pkg; use strict; use utf8;\n" 973 "package $pkg; use strict; use utf8; no warnings 'utf8';\n"
511 . "use base urxvt::term::extension::;\n"
512 . "#line 1 \"$path\"\n{\n" 974 . "#line 1 \"$path\"\n{\n"
513 . (do { local $/; <$fh> }) 975 . (do { local $/; <$fh> })
514 . "\n};\n1"; 976 . "\n};\n1";
515 977
516 eval $source 978 eval $source
526sub invoke { 988sub invoke {
527 local $TERM = shift; 989 local $TERM = shift;
528 my $htype = shift; 990 my $htype = shift;
529 991
530 if ($htype == 0) { # INIT 992 if ($htype == 0) { # INIT
531 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 993 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$ENV{HOME}/.urxvt/ext", "$LIBDIR/perl");
532 994
533 my %ext_arg; 995 my %ext_arg;
534 996
997 {
998 my @init = @TERM_INIT;
999 @TERM_INIT = ();
1000 $_->($TERM) for @init;
1001 my @pkg = @TERM_EXT;
1002 @TERM_EXT = ();
1003 $TERM->register_package ($_) for @pkg;
1004 }
1005
535 for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 1006 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
536 if ($_ eq "default") { 1007 if ($_ eq "default") {
537 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); 1008 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
538 } elsif (/^-(.*)$/) { 1009 } elsif (/^-(.*)$/) {
539 delete $ext_arg{$1}; 1010 delete $ext_arg{$1};
540 } elsif (/^([^<]+)<(.*)>$/) { 1011 } elsif (/^([^<]+)<(.*)>$/) {
541 push @{ $ext_arg{$1} }, $2; 1012 push @{ $ext_arg{$1} }, $2;
542 } else { 1013 } else {
543 $ext_arg{$_} ||= []; 1014 $ext_arg{$_} ||= [];
544 } 1015 }
545 } 1016 }
546 1017
547 while (my ($ext, $argv) = each %ext_arg) { 1018 for my $ext (sort keys %ext_arg) {
548 my @files = grep -f $_, map "$_/$ext", @dirs; 1019 my @files = grep -f $_, map "$_/$ext", @dirs;
549 1020
550 if (@files) { 1021 if (@files) {
551 $TERM->register_package (extension_package $files[0], $argv); 1022 $TERM->register_package (extension_package $files[0], $ext_arg{$ext});
552 } else { 1023 } else {
553 warn "perl extension '$ext' not found in perl library search path\n"; 1024 warn "perl extension '$ext' not found in perl library search path\n";
554 } 1025 }
555 } 1026 }
556 1027
562 1033
563 if (my $cb = $TERM->{_hook}[$htype]) { 1034 if (my $cb = $TERM->{_hook}[$htype]) {
564 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" 1035 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
565 if $verbosity >= 10; 1036 if $verbosity >= 10;
566 1037
567 keys %$cb; 1038 for my $pkg (keys %$cb) {
568
569 while (my ($pkg, $cb) = each %$cb) {
570 $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } 1039 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };
571 and last; 1040 $retval ||= $retval_;
572 1041
573 if ($@) { 1042 if ($@) {
574 $TERM->ungrab; # better to lose the grab than the session 1043 $TERM->ungrab; # better to lose the grab than the session
575 warn $@; 1044 warn $@;
576 } 1045 }
577 } 1046 }
1047
1048 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
1049 if $verbosity >= 11;
578 } 1050 }
579 1051
580 if ($htype == 1) { # DESTROY 1052 if ($htype == 1) { # DESTROY
581 if (my $hook = delete $TERM->{_hook}) {
582 for my $htype (0..$#$hook) {
583 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
584 or set_should_invoke $htype, 0;
585 }
586 }
587
588 # clear package objects 1053 # clear package objects
589 %$_ = () for values %{ $TERM->{_pkg} }; 1054 %$_ = () for values %{ $TERM->{_pkg} };
590 1055
591 # clear package 1056 # clear package
592 %$TERM = (); 1057 %$TERM = ();
593 } 1058 }
594 1059
595 $retval 1060 $retval
1061}
1062
1063sub SET_COLOR($$$) {
1064 SET_BGCOLOR (SET_FGCOLOR ($_[0], $_[1]), $_[2])
1065}
1066
1067sub rend2mask {
1068 no strict 'refs';
1069 my ($str, $mask) = (@_, 0);
1070 my %color = ( fg => undef, bg => undef );
1071 my @failed;
1072 for my $spec ( split /\s+/, $str ) {
1073 if ( $spec =~ /^([fb]g)[_:-]?(\d+)/i ) {
1074 $color{lc($1)} = $2;
1075 } else {
1076 my $neg = $spec =~ s/^[-^]//;
1077 unless ( exists &{"RS_$spec"} ) {
1078 push @failed, $spec;
1079 next;
1080 }
1081 my $cur = &{"RS_$spec"};
1082 if ( $neg ) {
1083 $mask &= ~$cur;
1084 } else {
1085 $mask |= $cur;
1086 }
1087 }
1088 }
1089 ($mask, @color{qw(fg bg)}, \@failed)
596} 1090}
597 1091
598# urxvt::term::extension 1092# urxvt::term::extension
599 1093
600package urxvt::term::extension; 1094package urxvt::term::extension;
606 while (my ($name, $cb) = each %hook) { 1100 while (my ($name, $cb) = each %hook) {
607 my $htype = $HOOKTYPE{uc $name}; 1101 my $htype = $HOOKTYPE{uc $name};
608 defined $htype 1102 defined $htype
609 or Carp::croak "unsupported hook type '$name'"; 1103 or Carp::croak "unsupported hook type '$name'";
610 1104
1105 $self->modify_should_invoke_count ($htype, +1)
611 unless (exists $self->{term}{_hook}[$htype]{$pkg}) { 1106 unless exists $self->{term}{_hook}[$htype]{$pkg};
612 $hook_count[$htype]++
613 or urxvt::set_should_invoke $htype, 1;
614 }
615 1107
616 $self->{term}{_hook}[$htype]{$pkg} = $cb; 1108 $self->{term}{_hook}[$htype]{$pkg} = $cb;
617 } 1109 }
618} 1110}
619 1111
624 for my $name (@hook) { 1116 for my $name (@hook) {
625 my $htype = $HOOKTYPE{uc $name}; 1117 my $htype = $HOOKTYPE{uc $name};
626 defined $htype 1118 defined $htype
627 or Carp::croak "unsupported hook type '$name'"; 1119 or Carp::croak "unsupported hook type '$name'";
628 1120
1121 $self->modify_should_invoke_count ($htype, -1)
629 if (delete $self->{term}{_hook}[$htype]{$pkg}) { 1122 if delete $self->{term}{_hook}[$htype]{$pkg};
630 --$hook_count[$htype]
631 or urxvt::set_should_invoke $htype, 0;
632 }
633 } 1123 }
634} 1124}
635 1125
636our $AUTOLOAD; 1126our $AUTOLOAD;
637 1127
668 1158
669=head2 The C<urxvt::anyevent> Class 1159=head2 The C<urxvt::anyevent> Class
670 1160
671The sole purpose of this class is to deliver an interface to the 1161The sole purpose of this class is to deliver an interface to the
672C<AnyEvent> module - any module using it will work inside urxvt without 1162C<AnyEvent> module - any module using it will work inside urxvt without
673further work. The only exception is that you cannot wait on condition 1163further programming. The only exception is that you cannot wait on
674variables, but non-blocking condvar use is ok. What this means is that you 1164condition variables, but non-blocking condvar use is ok. What this means
675cannot use blocking APIs, but the non-blocking variant should work. 1165is that you cannot use blocking APIs, but the non-blocking variant should
1166work.
676 1167
677=cut 1168=cut
678 1169
679our $VERSION = 1; 1170our $VERSION = '5.23';
680 1171
681$INC{"urxvt/anyevent.pm"} = 1; # mark us as there 1172$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
682push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::]; 1173push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
683 1174
684sub timer { 1175sub timer {
686 1177
687 my $cb = $arg{cb}; 1178 my $cb = $arg{cb};
688 1179
689 urxvt::timer 1180 urxvt::timer
690 ->new 1181 ->new
691 ->start (urxvt::NOW + $arg{after}) 1182 ->after ($arg{after}, $arg{interval})
692 ->cb (sub { 1183 ->cb ($arg{interval} ? $cb : sub {
693 $_[0]->stop; # need to cancel manually 1184 $_[0]->stop; # need to cancel manually
694 $cb->(); 1185 $cb->();
695 }) 1186 })
696} 1187}
697 1188
698sub io { 1189sub io {
699 my ($class, %arg) = @_; 1190 my ($class, %arg) = @_;
700 1191
701 my $cb = $arg{cb}; 1192 my $cb = $arg{cb};
1193 my $fd = fileno $arg{fh};
1194 defined $fd or $fd = $arg{fh};
702 1195
703 bless [$arg{fh}, urxvt::iow 1196 bless [$arg{fh}, urxvt::iow
704 ->new 1197 ->new
705 ->fd (fileno $arg{fh}) 1198 ->fd ($fd)
706 ->events (($arg{poll} =~ /r/ ? 1 : 0) 1199 ->events (($arg{poll} =~ /r/ ? 1 : 0)
707 | ($arg{poll} =~ /w/ ? 2 : 0)) 1200 | ($arg{poll} =~ /w/ ? 2 : 0))
708 ->start 1201 ->start
709 ->cb (sub { 1202 ->cb ($cb)
710 $cb->(($_[1] & 1 ? 'r' : '')
711 . ($_[1] & 2 ? 'w' : ''));
712 })],
713 urxvt::anyevent:: 1203 ], urxvt::anyevent::
1204}
1205
1206sub idle {
1207 my ($class, %arg) = @_;
1208
1209 my $cb = $arg{cb};
1210
1211 urxvt::iw
1212 ->new
1213 ->start
1214 ->cb ($cb)
1215}
1216
1217sub child {
1218 my ($class, %arg) = @_;
1219
1220 my $cb = $arg{cb};
1221
1222 urxvt::pw
1223 ->new
1224 ->start ($arg{pid})
1225 ->cb (sub {
1226 $_[0]->stop; # need to cancel manually
1227 $cb->($_[0]->rpid, $_[0]->rstatus);
1228 })
714} 1229}
715 1230
716sub DESTROY { 1231sub DESTROY {
717 $_[0][1]->stop; 1232 $_[0][1]->stop;
718} 1233}
719 1234
720sub condvar { 1235# only needed for AnyEvent < 6 compatibility
721 bless \my $flag, urxvt::anyevent::condvar:: 1236sub one_event {
722}
723
724sub urxvt::anyevent::condvar::broadcast {
725 ${$_[0]}++;
726}
727
728sub urxvt::anyevent::condvar::wait {
729 unless (${$_[0]}) {
730 Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API"; 1237 Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
731 }
732} 1238}
733 1239
734package urxvt::term; 1240package urxvt::term;
735 1241
736=head2 The C<urxvt::term> Class 1242=head2 The C<urxvt::term> Class
741 1247
742# find on_xxx subs in the package and register them 1248# find on_xxx subs in the package and register them
743# as hooks 1249# as hooks
744sub register_package { 1250sub register_package {
745 my ($self, $pkg, $argv) = @_; 1251 my ($self, $pkg, $argv) = @_;
1252
1253 no strict 'refs';
1254
1255 urxvt::verbose 6, "register package $pkg to $self";
1256
1257 @{"$pkg\::ISA"} = urxvt::term::extension::;
746 1258
747 my $proxy = bless { 1259 my $proxy = bless {
748 _pkg => $pkg, 1260 _pkg => $pkg,
749 argv => $argv, 1261 argv => $argv,
750 }, $pkg; 1262 }, $pkg;
757 $proxy->enable ($name => $ref); 1269 $proxy->enable ($name => $ref);
758 } 1270 }
759 } 1271 }
760} 1272}
761 1273
1274=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1275
1276Creates a new terminal, very similar as if you had started it with system
1277C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1278hash which defines the environment of the new terminal.
1279
1280Croaks (and probably outputs an error message) if the new instance
1281couldn't be created. Returns C<undef> if the new instance didn't
1282initialise perl, and the terminal object otherwise. The C<init> and
1283C<start> hooks will be called before this call returns, and are free to
1284refer to global data (which is race free).
1285
1286=cut
1287
1288sub new {
1289 my ($class, $env, @args) = @_;
1290
1291 $env or Carp::croak "environment hash missing in call to urxvt::term->new";
1292 @args or Carp::croak "name argument missing in call to urxvt::term->new";
1293
1294 _new ([ map "$_=$env->{$_}", keys %$env ], \@args);
1295}
1296
762=item $term->destroy 1297=item $term->destroy
763 1298
764Destroy the terminal object (close the window, free resources etc.). 1299Destroy the terminal object (close the window, free resources
1300etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
1301watchers (timers, io watchers) are still active.
1302
1303=item $term->exec_async ($cmd[, @args])
1304
1305Works like the combination of the C<fork>/C<exec> builtins, which executes
1306("starts") programs in the background. This function takes care of setting
1307the user environment before exec'ing the command (e.g. C<PATH>) and should
1308be preferred over explicit calls to C<exec> or C<system>.
1309
1310Returns the pid of the subprocess or C<undef> on error.
1311
1312=cut
1313
1314sub exec_async {
1315 my $self = shift;
1316
1317 my $pid = fork;
1318
1319 return $pid
1320 if !defined $pid or $pid;
1321
1322 %ENV = %{ $self->env };
1323
1324 exec @_;
1325 urxvt::_exit 255;
1326}
765 1327
766=item $isset = $term->option ($optval[, $set]) 1328=item $isset = $term->option ($optval[, $set])
767 1329
768Returns true if the option specified by C<$optval> is enabled, and 1330Returns true if the option specified by C<$optval> is enabled, and
769optionally change it. All option values are stored by name in the hash 1331optionally change it. All option values are stored by name in the hash
770C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1332C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
771 1333
772Here is a a likely non-exhaustive list of option names, please see the 1334Here is a likely non-exhaustive list of option names, please see the
773source file F</src/optinc.h> to see the actual list: 1335source file F</src/optinc.h> to see the actual list:
774 1336
775 borderLess console cursorBlink cursorUnderline hold iconic insecure 1337 borderLess buffered console cursorBlink cursorUnderline hold iconic
776 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1338 insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1339 mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
777 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1340 pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
778 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1341 scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
779 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1342 secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
780 tripleclickwords utmpInhibit visualBell 1343 urgentOnBell utmpInhibit visualBell
781 1344
782=item $value = $term->resource ($name[, $newval]) 1345=item $value = $term->resource ($name[, $newval])
783 1346
784Returns the current resource value associated with a given name and 1347Returns the current resource value associated with a given name and
785optionally sets a new value. Setting values is most useful in the C<init> 1348optionally sets a new value. Setting values is most useful in the C<init>
794likely change). 1357likely change).
795 1358
796Please note that resource strings will currently only be freed when the 1359Please note that resource strings will currently only be freed when the
797terminal is destroyed, so changing options frequently will eat memory. 1360terminal is destroyed, so changing options frequently will eat memory.
798 1361
799Here is a a likely non-exhaustive list of resource names, not all of which 1362Here is a likely non-exhaustive list of resource names, not all of which
800are supported in every build, please see the source file F</src/rsinc.h> 1363are supported in every build, please see the source file F</src/rsinc.h>
801to see the actual list: 1364to see the actual list:
802 1365
803 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1366 answerbackstring backgroundPixmap backspace_key blendtype blurradius
804 borderLess color cursorBlink cursorUnderline cutchars delete_key 1367 boldFont boldItalicFont borderLess buffered chdir color cursorBlink
805 display_name embed ext_bwidth fade font geometry hold iconName 1368 cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
806 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1369 fade font geometry hold iconName iconfile imFont imLocale inputMethod
1370 insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
807 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1371 jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
808 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1372 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
809 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1373 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
810 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1374 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
811 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1375 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
812 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1376 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
813 shade term_name title transparent transparent_all tripleclickwords 1377 secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1378 term_name title transient_for transparent tripleclickwords urgentOnBell
814 utmpInhibit visualBell 1379 utmpInhibit visualBell
815 1380
816=cut 1381=cut
817 1382
818sub resource($$;$) { 1383sub resource($$;$) {
819 my ($self, $name) = (shift, shift); 1384 my ($self, $name) = (shift, shift);
820 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 1385 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
821 &urxvt::term::_resource 1386 goto &urxvt::term::_resource
822} 1387}
823 1388
824=item $success = $term->parse_keysym ($keysym_spec, $command_string) 1389=item $value = $term->x_resource ($pattern)
825 1390
1391Returns the X-Resource for the given pattern, excluding the program or
1392class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1393same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1394resource with that pattern exists.
1395
1396This method should only be called during the C<on_start> hook, as there is
1397only one resource database per display, and later invocations might return
1398the wrong resources.
1399
1400=item $success = $term->parse_keysym ($key, $octets)
1401
826Adds a keymap translation exactly as specified via a resource. See the 1402Adds a key binding exactly as specified via a resource. See the
827C<keysym> resource in the @@RXVT_NAME@@(1) manpage. 1403C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
1404
1405=item $term->register_command ($keysym, $modifiermask, $string)
1406
1407Adds a key binding. This is a lower level api compared to
1408C<parse_keysym>, as it expects a parsed key description, and can be
1409used only inside either the C<on_init> hook, to add a binding, or the
1410C<on_register_command> hook, to modify a parsed binding.
828 1411
829=item $rend = $term->rstyle ([$new_rstyle]) 1412=item $rend = $term->rstyle ([$new_rstyle])
830 1413
831Return and optionally change the current rendition. Text that is output by 1414Return and optionally change the current rendition. Text that is output by
832the terminal application will use this style. 1415the terminal application will use this style.
840 1423
841=item ($row, $col) = $term->selection_beg ([$row, $col]) 1424=item ($row, $col) = $term->selection_beg ([$row, $col])
842 1425
843=item ($row, $col) = $term->selection_end ([$row, $col]) 1426=item ($row, $col) = $term->selection_end ([$row, $col])
844 1427
845Return the current values of the selection mark, begin or end positions, 1428Return the current values of the selection mark, begin or end positions.
846and optionally set them to new values.
847 1429
1430When arguments are given, then the selection coordinates are set to
1431C<$row> and C<$col>, and the selection screen is set to the current
1432screen.
1433
1434=item $screen = $term->selection_screen ([$screen])
1435
1436Returns the current selection screen, and then optionally sets it.
1437
1438=item $term->selection_make ($eventtime[, $rectangular])
1439
1440Tries to make a selection as set by C<selection_beg> and
1441C<selection_end>. If C<$rectangular> is true (default: false), a
1442rectangular selection will be made. This is the preferred function to make
1443a selection.
1444
848=item $success = $term->selection_grab ($eventtime) 1445=item $success = $term->selection_grab ($eventtime[, $clipboard])
849 1446
850Try to request the primary selection from the server (for example, as set 1447Try to acquire ownership of the primary (clipboard if C<$clipboard> is
851by the next method). 1448true) selection from the server. The corresponding text can be set
1449with the next method. No visual feedback will be given. This function
1450is mostly useful from within C<on_sel_grab> hooks.
852 1451
853=item $oldtext = $term->selection ([$newtext]) 1452=item $oldtext = $term->selection ([$newtext, $clipboard])
854 1453
855Return the current selection text and optionally replace it by C<$newtext>. 1454Return the current selection (clipboard if C<$clipboard> is true) text
1455and optionally replace it by C<$newtext>.
1456
1457=item $term->selection_clear ([$clipboard])
1458
1459Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
856 1460
857=item $term->overlay_simple ($x, $y, $text) 1461=item $term->overlay_simple ($x, $y, $text)
858 1462
859Create a simple multi-line overlay box. See the next method for details. 1463Create a simple multi-line overlay box. See the next method for details.
860 1464
890 1494
891The methods currently supported on C<urxvt::overlay> objects are: 1495The methods currently supported on C<urxvt::overlay> objects are:
892 1496
893=over 4 1497=over 4
894 1498
895=item $overlay->set ($x, $y, $text, $rend) 1499=item $overlay->set ($x, $y, $text[, $rend])
896 1500
897Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts 1501Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
898text in rxvt-unicode's special encoding and an array of rendition values 1502text in rxvt-unicode's special encoding and an array of rendition values
899at a specific position inside the overlay. 1503at a specific position inside the overlay.
1504
1505If C<$rend> is missing, then the rendition will not be changed.
900 1506
901=item $overlay->hide 1507=item $overlay->hide
902 1508
903If visible, hide the overlay, but do not destroy it. 1509If visible, hide the overlay, but do not destroy it.
904 1510
949Convert the given locale-encoded octets into a perl string. 1555Convert the given locale-encoded octets into a perl string.
950 1556
951=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle]) 1557=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
952 1558
953XORs the rendition values in the given span with the provided value 1559XORs the rendition values in the given span with the provided value
954(default: C<RS_RVid>). Useful in refresh hooks to provide effects similar 1560(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
955to the selection. 1561refresh hooks to provide effects similar to the selection.
956 1562
957=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]]) 1563=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
958 1564
959Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing 1565Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
960whitespace will additionally be xored with the C<$rstyle2>, which defaults 1566whitespace will additionally be xored with the C<$rstyle2>, which defaults
961to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines 1567to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
962it instead. 1568it instead. Both styles I<MUST NOT> contain font styles.
963 1569
964=item $term->scr_bell 1570=item $term->scr_bell
965 1571
966Ring the bell! 1572Ring the bell!
967 1573
974 1580
975Normally its not a good idea to use this function, as programs might be 1581Normally its not a good idea to use this function, as programs might be
976confused by changes in cursor position or scrolling. Its useful inside a 1582confused by changes in cursor position or scrolling. Its useful inside a
977C<on_add_lines> hook, though. 1583C<on_add_lines> hook, though.
978 1584
1585=item $term->scr_change_screen ($screen)
1586
1587Switch to given screen - 0 primary, 1 secondary.
1588
979=item $term->cmd_parse ($octets) 1589=item $term->cmd_parse ($octets)
980 1590
981Similar to C<scr_add_lines>, but the argument must be in the 1591Similar to C<scr_add_lines>, but the argument must be in the
982locale-specific encoding of the terminal and can contain command sequences 1592locale-specific encoding of the terminal and can contain command sequences
983(escape codes) that will be interpreted. 1593(escape codes) that will be interpreted.
984 1594
985=item $term->tt_write ($octets) 1595=item $term->tt_write ($octets)
986 1596
987Write the octets given in C<$data> to the tty (i.e. as program input). To 1597Write the octets given in C<$octets> to the tty (i.e. as program input). To
988pass characters instead of octets, you should convert your strings first 1598pass characters instead of octets, you should convert your strings first
989to the locale-specific encoding using C<< $term->locale_encode >>. 1599to the locale-specific encoding using C<< $term->locale_encode >>.
1600
1601=item $term->tt_paste ($octets)
1602
1603Write the octets given in C<$octets> to the tty as a paste, converting NL to
1604CR and bracketing the data with control sequences if bracketed paste mode
1605is set.
990 1606
991=item $old_events = $term->pty_ev_events ([$new_events]) 1607=item $old_events = $term->pty_ev_events ([$new_events])
992 1608
993Replaces the event mask of the pty watcher by the given event mask. Can 1609Replaces the event mask of the pty watcher by the given event mask. Can
994be used to suppress input and output handling to the pty/tty. See the 1610be used to suppress input and output handling to the pty/tty. See the
995description of C<< urxvt::timer->events >>. Make sure to always restore 1611description of C<< urxvt::timer->events >>. Make sure to always restore
996the previous value. 1612the previous value.
997 1613
1614=item $fd = $term->pty_fd
1615
1616Returns the master file descriptor for the pty in use, or C<-1> if no pty
1617is used.
1618
998=item $windowid = $term->parent 1619=item $windowid = $term->parent
999 1620
1000Return the window id of the toplevel window. 1621Return the window id of the toplevel window.
1001 1622
1002=item $windowid = $term->vt 1623=item $windowid = $term->vt
1003 1624
1004Return the window id of the terminal window. 1625Return the window id of the terminal window.
1005 1626
1627=item $term->vt_emask_add ($x_event_mask)
1628
1629Adds the specified events to the vt event mask. Useful e.g. when you want
1630to receive pointer events all the times:
1631
1632 $term->vt_emask_add (urxvt::PointerMotionMask);
1633
1634=item $term->set_urgency ($set)
1635
1636Enable/disable the urgency hint on the toplevel window.
1637
1638=item $term->focus_in
1639
1640=item $term->focus_out
1641
1642=item $term->key_press ($state, $keycode[, $time])
1643
1644=item $term->key_release ($state, $keycode[, $time])
1645
1646Deliver various fake events to to terminal.
1647
1006=item $window_width = $term->width 1648=item $window_width = $term->width
1007 1649
1008=item $window_height = $term->height 1650=item $window_height = $term->height
1009 1651
1010=item $font_width = $term->fwidth 1652=item $font_width = $term->fwidth
1023 1665
1024=item $max_scrollback = $term->saveLines 1666=item $max_scrollback = $term->saveLines
1025 1667
1026=item $nrow_plus_saveLines = $term->total_rows 1668=item $nrow_plus_saveLines = $term->total_rows
1027 1669
1028=item $lines_in_scrollback = $term->nsaved 1670=item $topmost_scrollback_row = $term->top_row
1029 1671
1030Return various integers describing terminal characteristics. 1672Return various integers describing terminal characteristics.
1031 1673
1674=item $x_display = $term->display_id
1675
1676Return the DISPLAY used by rxvt-unicode.
1677
1032=item $lc_ctype = $term->locale 1678=item $lc_ctype = $term->locale
1033 1679
1034Returns the LC_CTYPE category string used by this rxvt-unicode. 1680Returns the LC_CTYPE category string used by this rxvt-unicode.
1035 1681
1036=item $x_display = $term->display_id 1682=item $env = $term->env
1037 1683
1038Return the DISPLAY used by rxvt-unicode. 1684Returns a copy of the environment in effect for the terminal as a hashref
1685similar to C<\%ENV>.
1686
1687=item @envv = $term->envv
1688
1689Returns the environment as array of strings of the form C<VAR=VALUE>.
1690
1691=item @argv = $term->argv
1692
1693Return the argument vector as this terminal, similar to @ARGV, but
1694includes the program name as first element.
1695
1696=cut
1697
1698sub env {
1699 +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), $_[0]->envv }
1700}
1039 1701
1040=item $modifiermask = $term->ModLevel3Mask 1702=item $modifiermask = $term->ModLevel3Mask
1041 1703
1042=item $modifiermask = $term->ModMetaMask 1704=item $modifiermask = $term->ModMetaMask
1043 1705
1044=item $modifiermask = $term->ModNumLockMask 1706=item $modifiermask = $term->ModNumLockMask
1045 1707
1046Return the modifier masks corresponding to the "ISO Level 3 Shift" (often 1708Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1047AltGr), the meta key (often Alt) and the num lock key, if applicable. 1709AltGr), the meta key (often Alt) and the num lock key, if applicable.
1048 1710
1711=item $screen = $term->current_screen
1712
1713Returns the currently displayed screen (0 primary, 1 secondary).
1714
1715=item $cursor_is_hidden = $term->hidden_cursor
1716
1717Returns whether the cursor is currently hidden or not.
1718
1049=item $view_start = $term->view_start ([$newvalue]) 1719=item $view_start = $term->view_start ([$newvalue])
1050 1720
1051Returns the negative row number of the topmost line. Minimum value is 1721Returns the row number of the topmost displayed line. Maximum value is
1052C<0>, which displays the normal terminal contents. Larger values scroll 1722C<0>, which displays the normal terminal contents. Lower values scroll
1053this many lines into the scrollback buffer. 1723this many lines into the scrollback buffer.
1054 1724
1055=item $term->want_refresh 1725=item $term->want_refresh
1056 1726
1057Requests a screen refresh. At the next opportunity, rxvt-unicode will 1727Requests a screen refresh. At the next opportunity, rxvt-unicode will
1060 1730
1061Used after changing terminal contents to display them. 1731Used after changing terminal contents to display them.
1062 1732
1063=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) 1733=item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]])
1064 1734
1065Returns the text of the entire row with number C<$row_number>. Row C<0> 1735Returns the text of the entire row with number C<$row_number>. Row C<< $term->top_row >>
1066is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost 1736is the topmost terminal line, row C<< $term->nrow-1 >> is the bottommost
1067terminal line. The scrollback buffer starts at line C<-1> and extends to
1068line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line 1737terminal line. Nothing will be returned if a nonexistent line
1069is requested. 1738is requested.
1070 1739
1071If C<$new_text> is specified, it will replace characters in the current 1740If C<$new_text> is specified, it will replace characters in the current
1072line, starting at column C<$start_col> (default C<0>), which is useful 1741line, starting at column C<$start_col> (default C<0>), which is useful
1073to replace only parts of a line. The font index in the rendition will 1742to replace only parts of a line. The font index in the rendition will
1074automatically be updated. 1743automatically be updated.
1075 1744
1076C<$text> is in a special encoding: tabs and wide characters that use more 1745C<$text> is in a special encoding: tabs and wide characters that use more
1077than one cell when displayed are padded with urxvt::NOCHAR characters 1746than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
1078(C<chr 65535>). Characters with combining characters and other characters 1747characters. Characters with combining characters and other characters that
1079that do not fit into the normal tetx encoding will be replaced with 1748do not fit into the normal text encoding will be replaced with characters
1080characters in the private use area. 1749in the private use area.
1081 1750
1082You have to obey this encoding when changing text. The advantage is 1751You have to obey this encoding when changing text. The advantage is
1083that C<substr> and similar functions work on screen cells and not on 1752that C<substr> and similar functions work on screen cells and not on
1084characters. 1753characters.
1085 1754
1136Return the row number of the first/last row of the line, respectively. 1805Return the row number of the first/last row of the line, respectively.
1137 1806
1138=item $offset = $line->offset_of ($row, $col) 1807=item $offset = $line->offset_of ($row, $col)
1139 1808
1140Returns the character offset of the given row|col pair within the logical 1809Returns the character offset of the given row|col pair within the logical
1141line. 1810line. Works for rows outside the line, too, and returns corresponding
1811offsets outside the string.
1142 1812
1143=item ($row, $col) = $line->coord_of ($offset) 1813=item ($row, $col) = $line->coord_of ($offset)
1144 1814
1145Translates a string offset into terminal coordinates again. 1815Translates a string offset into terminal coordinates again.
1146 1816
1228where one character corresponds to one screen cell. See 1898where one character corresponds to one screen cell. See
1229C<< $term->ROW_t >> for details. 1899C<< $term->ROW_t >> for details.
1230 1900
1231=item $string = $term->special_decode $text 1901=item $string = $term->special_decode $text
1232 1902
1233Converts rxvt-unicodes text reprsentation into a perl string. See 1903Converts rxvt-unicodes text representation into a perl string. See
1234C<< $term->ROW_t >> for details. 1904C<< $term->ROW_t >> for details.
1235 1905
1236=item $success = $term->grab_button ($button, $modifiermask) 1906=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1237 1907
1908=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1909
1238Registers a synchronous button grab. See the XGrabButton manpage. 1910Register/unregister a synchronous button grab. See the XGrabButton
1911manpage.
1239 1912
1240=item $success = $term->grab ($eventtime[, $sync]) 1913=item $success = $term->grab ($eventtime[, $sync])
1241 1914
1242Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1915Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1243synchronous (C<$sync> is true). Also remembers the grab timestampe. 1916synchronous (C<$sync> is true). Also remembers the grab timestamp.
1244 1917
1245=item $term->allow_events_async 1918=item $term->allow_events_async
1246 1919
1247Calls XAllowEvents with AsyncBoth for the most recent grab. 1920Calls XAllowEvents with AsyncBoth for the most recent grab.
1248 1921
1255Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most 1928Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1256recent grab. 1929recent grab.
1257 1930
1258=item $term->ungrab 1931=item $term->ungrab
1259 1932
1260Calls XUngrab for the most recent grab. Is called automatically on 1933Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1261evaluation errors, as it is better to lose the grab in the error case as 1934evaluation errors, as it is better to lose the grab in the error case as
1262the session. 1935the session.
1936
1937=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1938
1939=item $atom_name = $term->XGetAtomName ($atom)
1940
1941=item @atoms = $term->XListProperties ($window)
1942
1943=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1944
1945=item $term->XChangeProperty ($window, $property, $type, $format, $octets)
1946
1947=item $term->XDeleteProperty ($window, $property)
1948
1949=item $window = $term->DefaultRootWindow
1950
1951=item $term->XReparentWindow ($window, $parent, [$x, $y])
1952
1953=item $term->XMapWindow ($window)
1954
1955=item $term->XUnmapWindow ($window)
1956
1957=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1958
1959=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1960
1961=item $term->XChangeInput ($window, $add_events[, $del_events])
1962
1963=item $keysym = $term->XStringToKeysym ($string)
1964
1965=item $string = $term->XKeysymToString ($keysym)
1966
1967Various X or X-related functions. The C<$term> object only serves as
1968the source of the display, otherwise those functions map more-or-less
1969directly onto the X functions of the same name.
1263 1970
1264=back 1971=back
1265 1972
1266=cut 1973=cut
1267 1974
1282 1989
1283 $item->{render} ||= sub { $_[0]{text} }; 1990 $item->{render} ||= sub { $_[0]{text} };
1284 1991
1285 push @{ $self->{item} }, $item; 1992 push @{ $self->{item} }, $item;
1286} 1993}
1994
1995=item $popup->add_title ($title)
1996
1997Adds a non-clickable title to the popup.
1998
1999=cut
2000
2001sub add_title {
2002 my ($self, $title) = @_;
2003
2004 $self->add_item ({
2005 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
2006 text => $title,
2007 activate => sub { },
2008 });
2009}
2010
2011=item $popup->add_separator ([$sepchr])
2012
2013Creates a separator, optionally using the character given as C<$sepchr>.
2014
2015=cut
1287 2016
1288sub add_separator { 2017sub add_separator {
1289 my ($self, $sep) = @_; 2018 my ($self, $sep) = @_;
1290 2019
1291 $sep ||= "="; 2020 $sep ||= "=";
1296 render => sub { $sep x $self->{term}->ncol }, 2025 render => sub { $sep x $self->{term}->ncol },
1297 activate => sub { }, 2026 activate => sub { },
1298 }); 2027 });
1299} 2028}
1300 2029
1301sub add_title { 2030=item $popup->add_button ($text, $cb)
1302 my ($self, $title) = @_;
1303 2031
1304 $self->add_item ({ 2032Adds a clickable button to the popup. C<$cb> is called whenever it is
1305 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" }, 2033selected.
1306 text => $title, 2034
1307 activate => sub { }, 2035=cut
1308 });
1309}
1310 2036
1311sub add_button { 2037sub add_button {
1312 my ($self, $text, $cb) = @_; 2038 my ($self, $text, $cb) = @_;
1313 2039
1314 $self->add_item ({ type => "button", text => $text, activate => $cb}); 2040 $self->add_item ({ type => "button", text => $text, activate => $cb});
1315} 2041}
1316 2042
2043=item $popup->add_toggle ($text, $initial_value, $cb)
2044
2045Adds a toggle/checkbox item to the popup. The callback gets called
2046whenever it gets toggled, with a boolean indicating its new value as its
2047first argument.
2048
2049=cut
2050
1317sub add_toggle { 2051sub add_toggle {
1318 my ($self, $text, $cb, $value) = @_; 2052 my ($self, $text, $value, $cb) = @_;
1319 2053
1320 my $item; $item = { 2054 my $item; $item = {
1321 type => "button", 2055 type => "button",
1322 text => " $text", 2056 text => " $text",
1323 value => $value, 2057 value => $value,
1324 render => sub { ($_[0]{value} ? "* " : " ") . $text }, 2058 render => sub { ($_[0]{value} ? "* " : " ") . $text },
1325 activate => sub { $cb->($_[0]{value} = !$_[0]{value}); }, 2059 activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1326 }; 2060 };
1327 2061
1328 $self->add_item ($item); 2062 $self->add_item ($item);
1329} 2063}
2064
2065=item $popup->show
2066
2067Displays the popup (which is initially hidden).
2068
2069=cut
1330 2070
1331sub show { 2071sub show {
1332 my ($self) = @_; 2072 my ($self) = @_;
1333 2073
1334 local $urxvt::popup::self = $self; 2074 local $urxvt::popup::self = $self;
1335 2075
2076 my $env = $self->{term}->env;
2077 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
2078 delete $env->{LC_ALL};
1336 local $ENV{LC_ALL} = $self->{term}->locale; 2079 $env->{LC_CTYPE} = $self->{term}->locale;
1337 2080
1338 urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, 2081 my $term = urxvt::term->new (
2082 $env, "popup",
2083 "--perl-lib" => "", "--perl-ext-common" => "",
2084 "-pty-fd" => -1, "-sl" => 0,
2085 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1339 "--transient-for" => $self->{term}->parent, 2086 "--transient-for" => $self->{term}->parent,
1340 "-display" => $self->{term}->display_id, 2087 "-display" => $self->{term}->display_id,
1341 "-pe" => "urxvt-popup") 2088 "-pe" => "urxvt-popup",
1342 or die "unable to create popup window\n"; 2089 ) or die "unable to create popup window\n";
2090
2091 unless (delete $term->{urxvt_popup_init_done}) {
2092 $term->ungrab;
2093 $term->destroy;
2094 die "unable to initialise popup window\n";
2095 }
1343} 2096}
1344 2097
1345sub DESTROY { 2098sub DESTROY {
1346 my ($self) = @_; 2099 my ($self) = @_;
1347 2100
1348 delete $self->{term}{_destroy}{$self}; 2101 delete $self->{term}{_destroy}{$self};
1349 $self->{term}->ungrab; 2102 $self->{term}->ungrab;
1350} 2103}
2104
2105=back
2106
2107=cut
2108
2109package urxvt::watcher;
1351 2110
1352=head2 The C<urxvt::timer> Class 2111=head2 The C<urxvt::timer> Class
1353 2112
1354This class implements timer watchers/events. Time is represented as a 2113This class implements timer watchers/events. Time is represented as a
1355fractional number of seconds since the epoch. Example: 2114fractional number of seconds since the epoch. Example:
1359 ->new 2118 ->new
1360 ->interval (1) 2119 ->interval (1)
1361 ->cb (sub { 2120 ->cb (sub {
1362 $term->{overlay}->set (0, 0, 2121 $term->{overlay}->set (0, 0,
1363 sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]); 2122 sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
1364 }); 2123 });
1365 2124
1366=over 4 2125=over 4
1367 2126
1368=item $timer = new urxvt::timer 2127=item $timer = new urxvt::timer
1369 2128
1372 2131
1373=item $timer = $timer->cb (sub { my ($timer) = @_; ... }) 2132=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
1374 2133
1375Set the callback to be called when the timer triggers. 2134Set the callback to be called when the timer triggers.
1376 2135
1377=item $tstamp = $timer->at
1378
1379Return the time this watcher will fire next.
1380
1381=item $timer = $timer->set ($tstamp) 2136=item $timer = $timer->set ($tstamp[, $interval])
1382 2137
1383Set the time the event is generated to $tstamp. 2138Set the time the event is generated to $tstamp (and optionally specifies a
2139new $interval).
1384 2140
1385=item $timer = $timer->interval ($interval) 2141=item $timer = $timer->interval ($interval)
1386 2142
1387Normally (and when C<$interval> is C<0>), the timer will automatically 2143By default (and when C<$interval> is C<0>), the timer will automatically
1388stop after it has fired once. If C<$interval> is non-zero, then the timer 2144stop after it has fired once. If C<$interval> is non-zero, then the timer
1389is automatically rescheduled at the given intervals. 2145is automatically rescheduled at the given intervals.
1390 2146
1391=item $timer = $timer->start 2147=item $timer = $timer->start
1392 2148
1393Start the timer. 2149Start the timer.
1394 2150
1395=item $timer = $timer->start ($tstamp) 2151=item $timer = $timer->start ($tstamp[, $interval])
1396 2152
1397Set the event trigger time to C<$tstamp> and start the timer. 2153Set the event trigger time to C<$tstamp> and start the timer. Optionally
2154also replaces the interval.
2155
2156=item $timer = $timer->after ($delay[, $interval])
2157
2158Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1398 2159
1399=item $timer = $timer->stop 2160=item $timer = $timer->stop
1400 2161
1401Stop the timer. 2162Stop the timer.
1402 2163
1408 2169
1409 $term->{socket} = ... 2170 $term->{socket} = ...
1410 $term->{iow} = urxvt::iow 2171 $term->{iow} = urxvt::iow
1411 ->new 2172 ->new
1412 ->fd (fileno $term->{socket}) 2173 ->fd (fileno $term->{socket})
1413 ->events (urxvt::EVENT_READ) 2174 ->events (urxvt::EV_READ)
1414 ->start 2175 ->start
1415 ->cb (sub { 2176 ->cb (sub {
1416 my ($iow, $revents) = @_; 2177 my ($iow, $revents) = @_;
1417 # $revents must be 1 here, no need to check 2178 # $revents must be 1 here, no need to check
1418 sysread $term->{socket}, my $buf, 8192 2179 sysread $term->{socket}, my $buf, 8192
1431Set the callback to be called when io events are triggered. C<$reventmask> 2192Set the callback to be called when io events are triggered. C<$reventmask>
1432is a bitset as described in the C<events> method. 2193is a bitset as described in the C<events> method.
1433 2194
1434=item $iow = $iow->fd ($fd) 2195=item $iow = $iow->fd ($fd)
1435 2196
1436Set the filedescriptor (not handle) to watch. 2197Set the file descriptor (not handle) to watch.
1437 2198
1438=item $iow = $iow->events ($eventmask) 2199=item $iow = $iow->events ($eventmask)
1439 2200
1440Set the event mask to watch. The only allowed values are 2201Set the event mask to watch. The only allowed values are
1441C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed 2202C<urxvt::EV_READ> and C<urxvt::EV_WRITE>, which might be ORed
1442together, or C<urxvt::EVENT_NONE>. 2203together, or C<urxvt::EV_NONE>.
1443 2204
1444=item $iow = $iow->start 2205=item $iow = $iow->start
1445 2206
1446Start watching for requested events on the given handle. 2207Start watching for requested events on the given handle.
1447 2208
1448=item $iow = $iow->stop 2209=item $iow = $iow->stop
1449 2210
1450Stop watching for events on the given filehandle. 2211Stop watching for events on the given file handle.
2212
2213=back
2214
2215=head2 The C<urxvt::iw> Class
2216
2217This class implements idle watchers, that get called automatically when
2218the process is idle. They should return as fast as possible, after doing
2219some useful work.
2220
2221=over 4
2222
2223=item $iw = new urxvt::iw
2224
2225Create a new idle watcher object in stopped state.
2226
2227=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
2228
2229Set the callback to be called when the watcher triggers.
2230
2231=item $timer = $timer->start
2232
2233Start the watcher.
2234
2235=item $timer = $timer->stop
2236
2237Stop the watcher.
2238
2239=back
2240
2241=head2 The C<urxvt::pw> Class
2242
2243This class implements process watchers. They create an event whenever a
2244process exits, after which they stop automatically.
2245
2246 my $pid = fork;
2247 ...
2248 $term->{pw} = urxvt::pw
2249 ->new
2250 ->start ($pid)
2251 ->cb (sub {
2252 my ($pw, $exit_status) = @_;
2253 ...
2254 });
2255
2256=over 4
2257
2258=item $pw = new urxvt::pw
2259
2260Create a new process watcher in stopped state.
2261
2262=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
2263
2264Set the callback to be called when the timer triggers.
2265
2266=item $pw = $timer->start ($pid)
2267
2268Tells the watcher to start watching for process C<$pid>.
2269
2270=item $pw = $pw->stop
2271
2272Stop the watcher.
1451 2273
1452=back 2274=back
1453 2275
1454=head1 ENVIRONMENT 2276=head1 ENVIRONMENT
1455 2277
1462 2284
1463=item == 0 - fatal messages 2285=item == 0 - fatal messages
1464 2286
1465=item >= 3 - script loading and management 2287=item >= 3 - script loading and management
1466 2288
1467=item >=10 - all events received 2289=item >=10 - all called hooks
2290
2291=item >=11 - hook return values
1468 2292
1469=back 2293=back
1470 2294
1471=head1 AUTHOR 2295=head1 AUTHOR
1472 2296
1473 Marc Lehmann <pcg@goof.com> 2297 Marc Lehmann <schmorp@schmorp.de>
1474 http://software.schmorp.de/pkg/rxvt-unicode 2298 http://software.schmorp.de/pkg/rxvt-unicode
1475 2299
1476=cut 2300=cut
1477 2301
14781 23021
2303
2304# vim: sw=3:

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