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Revision 1.36 by root, Fri Jan 6 02:58:02 2006 UTC vs.
Revision 1.125 by root, Sun Jan 22 20:39:47 2006 UTC

17 17
18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test 18 @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test
19 19
20=head1 DESCRIPTION 20=head1 DESCRIPTION
21 21
22Everytime a terminal object gets created, scripts specified via the 22Everytime a terminal object gets created, extension scripts specified via
23C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where 28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
29scripts will be shared (but not enabled) for all terminals. 29scripts will be shared (but not enabled) for all terminals.
30 30
31=head2 Prepackaged Extensions 31=head1 PREPACKAGED EXTENSIONS
32 32
33This section describes the extensiosn delivered with this version. You can 33This section describes the extensions delivered with this release. You can
34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. 34find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
35 35
36You can activate them like this: 36You can activate them like this:
37 37
38 @@RXVT_NAME@@ -pe <extensionname> 38 @@RXVT_NAME@@ -pe <extensionname>
39 39
40Or by adding them to the resource for extensions loaded by default:
41
42 URxvt.perl-ext-common: default,automove-background,selection-autotransform
43
40=over 4 44=over 4
41 45
42=item selection 46=item selection (enabled by default)
43 47
44Intelligent selection. This extension tries to be more intelligent when 48(More) intelligent selection. This extension tries to be more intelligent
45the user extends selections (double-click). Right now, it tries to select 49when the user extends selections (double-click and further clicks). Right
46urls and complete shell-quoted arguments, which is very convenient, too, 50now, it tries to select words, urls and complete shell-quoted
47if your F<ls> supports C<--quoting-style=shell>. 51arguments, which is very convenient, too, if your F<ls> supports
52C<--quoting-style=shell>.
48 53
49It also offers the following bindable event: 54A double-click usually selects the word under the cursor, further clicks
55will enlarge the selection.
56
57The selection works by trying to match a number of regexes and displaying
58them in increasing order of length. You can add your own regexes by
59specifying resources of the form:
60
61 URxvt.selection.pattern-0: perl-regex
62 URxvt.selection.pattern-1: perl-regex
63 ...
64
65The index number (0, 1...) must not have any holes, and each regex must
66contain at least one pair of capturing parentheses, which will be used for
67the match. For example, the followign adds a regex that matches everything
68between two vertical bars:
69
70 URxvt.selection.pattern-0: \\|([^|]+)\\|
71
72You can look at the source of the selection extension to see more
73interesting uses, such as parsing a line from beginning to end.
74
75This extension also offers following bindable keyboard commands:
50 76
51=over 4 77=over 4
52 78
53=item rot13 79=item rot13
54 80
56 82
57 URxvt.keysym.C-M-r: perl:selection:rot13 83 URxvt.keysym.C-M-r: perl:selection:rot13
58 84
59=back 85=back
60 86
87=item option-popup (enabled by default)
88
89Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
90runtime.
91
92=item selection-popup (enabled by default)
93
94Binds a popup menu to Ctrl-Button3 that lets you convert the selection
95text into various other formats/action (such as uri unescaping, perl
96evaluation, web-browser starting etc.), depending on content.
97
98Other extensions can extend this popup menu by pushing a code reference
99onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
100popup is displayed.
101
102It's sole argument is the popup menu, which can be modified. The selection
103is in C<$_>, which can be used to decide wether to add something or not.
104It should either return nothing or a string and a code reference. The
105string will be used as button text and the code reference will be called
106when the button gets activated and should transform C<$_>.
107
108The following will add an entry C<a to b> that transforms all C<a>s in
109the selection to C<b>s, but only if the selection currently contains any
110C<a>s:
111
112 push @{ $self->{term}{selection_popup_hook} }, sub {
113 /a/ ? ("a to be" => sub { s/a/b/g }
114 : ()
115 };
116
117=item searchable-scrollback<hotkey> (enabled by default)
118
119Adds regex search functionality to the scrollback buffer, triggered
120by a hotkey (default: C<M-s>). While in search mode, normal terminal
121input/output is suspended and a regex is displayed at the bottom of the
122screen.
123
124Inputting characters appends them to the regex and continues incremental
125search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
126search upwards/downwards in the scrollback buffer, C<End> jumps to the
127bottom. C<Escape> leaves search mode and returns to the point where search
128was started, while C<Enter> or C<Return> stay at the current position and
129additionally stores the first match in the current line into the primary
130selection.
131
132=item readline (enabled by default)
133
134A support package that tries to make editing with readline easier. At the
135moment, it reacts to clicking with the left mouse button by trying to
136move the text cursor to this position. It does so by generating as many
137cursor-left or cursor-right keypresses as required (the this only works
138for programs that correctly support wide characters).
139
140To avoid too many false positives, this is only done when:
141
142=over 4
143
144=item - the tty is in ICANON state.
145
146=item - the text cursor is visible.
147
148=item - the primary screen is currently being displayed.
149
150=item - the mouse is on the same (multi-row-) line as the text cursor.
151
152=back
153
154The normal selection mechanism isn't disabled, so quick successive clicks
155might interfere with selection creation in harmless ways.
156
157=item selection-autotransform
158
159This selection allows you to do automatic transforms on a selection
160whenever a selection is made.
161
162It works by specifying perl snippets (most useful is a single C<s///>
163operator) that modify C<$_> as resources:
164
165 URxvt.selection-autotransform.0: transform
166 URxvt.selection-autotransform.1: transform
167 ...
168
169For example, the following will transform selections of the form
170C<filename:number>, often seen in compiler messages, into C<vi +$filename
171$word>:
172
173 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
174
175And this example matches the same,but replaces it with vi-commands you can
176paste directly into your (vi :) editor:
177
178 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
179
180Of course, this can be modified to suit your needs and your editor :)
181
182To expand the example above to typical perl error messages ("XXX at
183FILENAME line YYY."), you need a slightly more elaborate solution:
184
185 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
186 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
187
188The first line tells the selection code to treat the unchanging part of
189every error message as a selection pattern, and the second line transforms
190the message into vi commands to load the file.
191
192=item tabbed
193
194This transforms the terminal into a tabbar with additional terminals, that
195is, it implements what is commonly refered to as "tabbed terminal". The topmost line
196displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
197button per tab.
198
199Clicking a button will activate that tab. Pressing B<Shift-Left> and
200B<Shift-Right> will switch to the tab left or right of the current one,
201while B<Shift-Down> creates a new tab.
202
203=item mark-urls
204
205Uses per-line display filtering (C<on_line_update>) to underline urls and
206make them clickable. When middle-clicked, the program specified in the
207resource C<urlLauncher> (default C<x-www-browser>) will be started with
208the URL as first argument.
209
210=item automove-background
211
212This is basically a one-line extension that dynamically changes the background pixmap offset
213to the window position, in effect creating the same effect as pseudo transparency with
214a custom pixmap. No scaling is supported in this mode. Exmaple:
215
216 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
217
218=item block-graphics-to-ascii
219
220A not very useful example of filtering all text output to the terminal,
221by replacing all line-drawing characters (U+2500 .. U+259F) by a
222similar-looking ascii character.
223
61=item digital-clock 224=item digital-clock
62 225
63Displays a digital clock using the built-in overlay. 226Displays a digital clock using the built-in overlay.
64
65=item mark-urls
66
67Uses per-line filtering (C<on_line_update>) to underline urls.
68 227
69=item example-refresh-hooks 228=item example-refresh-hooks
70 229
71Displays a very simple digital clock in the upper right corner of the 230Displays a very simple digital clock in the upper right corner of the
72window. Illustrates overwriting the refresh callbacks to create your own 231window. Illustrates overwriting the refresh callbacks to create your own
73overlays or changes. 232overlays or changes.
74 233
75=item example-filter-input 234=item selection-pastebin
76 235
77A not very useful example of filtering all text output to the terminal, by 236This is a little rarely useful extension that Uploads the selection as
78underlining all urls that matches a certain regex (i.e. some urls :). It 237textfile to a remote site (or does other things). (The implementation is
79is not very useful because urls that are output in multiple steps (e.g. 238not currently secure for use in a multiuser environment as it writes to
80when typing them) do not get marked. 239F</tmp> directly.).
240
241It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
242i.e.
243
244 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
245
246Pressing this combination runs a command with C<%> replaced by the name of
247the textfile. This command can be set via a resource:
248
249 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
250
251And the default is likely not useful to anybody but the few people around
252here :)
253
254The name of the textfile is the hex encoded md5 sum of the selection, so
255the same content should lead to the same filename.
256
257After a successful upload the selection will be replaced by the text given
258in the C<selection-pastebin-url> resource (again, the % is the placeholder
259for the filename):
260
261 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
81 262
82=back 263=back
264
265=head1 API DOCUMENTATION
83 266
84=head2 General API Considerations 267=head2 General API Considerations
85 268
86All objects (such as terminals, time watchers etc.) are typical 269All objects (such as terminals, time watchers etc.) are typical
87reference-to-hash objects. The hash can be used to store anything you 270reference-to-hash objects. The hash can be used to store anything you
100=over 4 283=over 4
101 284
102=item $text 285=item $text
103 286
104Rxvt-unicodes special way of encoding text, where one "unicode" character 287Rxvt-unicodes special way of encoding text, where one "unicode" character
105always represents one screen cell. See L<row_t> for a discussion of this format. 288always represents one screen cell. See L<ROW_t> for a discussion of this format.
106 289
107=item $string 290=item $string
108 291
109A perl text string, with an emphasis on I<text>. It can store all unicode 292A perl text string, with an emphasis on I<text>. It can store all unicode
110characters and is to be distinguished with text encoded in a specific 293characters and is to be distinguished with text encoded in a specific
115Either binary data or - more common - a text string encoded in a 298Either binary data or - more common - a text string encoded in a
116locale-specific way. 299locale-specific way.
117 300
118=back 301=back
119 302
303=head2 Extension Objects
304
305Very perl extension is a perl class. A separate perl object is created
306for each terminal and each extension and passed as the first parameter to
307hooks. So extensions can use their C<$self> object without having to think
308about other extensions, with the exception of methods and members that
309begin with an underscore character C<_>: these are reserved for internal
310use.
311
312Although it isn't a C<urxvt::term> object, you can call all methods of the
313C<urxvt::term> class on this object.
314
315It has the following methods and data members:
316
317=over 4
318
319=item $urxvt_term = $self->{term}
320
321Returns the C<urxvt::term> object associated with this instance of the
322extension. This member I<must not> be changed in any way.
323
324=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
325
326Dynamically enable the given hooks (named without the C<on_> prefix) for
327this extension, replacing any previous hook. This is useful when you want
328to overwrite time-critical hooks only temporarily.
329
330=item $self->disable ($hook_name[, $hook_name..])
331
332Dynamically disable the given hooks.
333
334=back
335
120=head2 Hooks 336=head2 Hooks
121 337
122The following subroutines can be declared in loaded scripts, and will be 338The following subroutines can be declared in extension files, and will be
123called whenever the relevant event happens. 339called whenever the relevant event happens.
124 340
125The first argument passed to them is an object private to each terminal 341The first argument passed to them is an extension oject as described in
126and extension package. You can call all C<urxvt::term> methods on it, but 342the in the C<Extension Objects> section.
127its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
128object that is shared between all packages is stored in the C<term>
129member.
130 343
131All of them must return a boolean value. If it is true, then the event 344B<All> of these hooks must return a boolean value. If any of the called
132counts as being I<consumed>, and the invocation of other hooks is skipped, 345hooks returns true, then the event counts as being I<consumed>, and the
133and the relevant action might not be carried out by the C++ code. 346relevant action might not be carried out by the C++ code.
134 347
135When in doubt, return a false value (preferably C<()>). 348I<< When in doubt, return a false value (preferably C<()>). >>
136 349
137=over 4 350=over 4
138 351
139=item on_init $term 352=item on_init $term
140 353
141Called after a new terminal object has been initialized, but before 354Called after a new terminal object has been initialized, but before
142windows are created or the command gets run. Most methods are unsafe to 355windows are created or the command gets run. Most methods are unsafe to
143call or deliver senseless data, as terminal size and other characteristics 356call or deliver senseless data, as terminal size and other characteristics
144have not yet been determined. You can safely query and change resources, 357have not yet been determined. You can safely query and change resources
145though. 358and options, though. For many purposes the C<on_start> hook is a better
359place.
360
361=item on_start $term
362
363Called at the very end of initialisation of a new terminal, just before
364trying to map (display) the toplevel and returning to the mainloop.
365
366=item on_destroy $term
367
368Called whenever something tries to destroy terminal, before doing anything
369yet. If this hook returns true, then destruction is skipped, but this is
370rarely a good idea.
146 371
147=item on_reset $term 372=item on_reset $term
148 373
149Called after the screen is "reset" for any reason, such as resizing or 374Called after the screen is "reset" for any reason, such as resizing or
150control sequences. Here is where you can react on changes to size-related 375control sequences. Here is where you can react on changes to size-related
151variables. 376variables.
152 377
153=item on_start $term 378=item on_child_start $term, $pid
154 379
155Called at the very end of initialisation of a new terminal, just before 380Called just after the child process has been C<fork>ed.
156returning to the mainloop. 381
382=item on_child_exit $term, $status
383
384Called just after the child process has exited. C<$status> is the status
385from C<waitpid>.
157 386
158=item on_sel_make $term, $eventtime 387=item on_sel_make $term, $eventtime
159 388
160Called whenever a selection has been made by the user, but before the 389Called whenever a selection has been made by the user, but before the
161selection text is copied, so changes to the beginning, end or type of the 390selection text is copied, so changes to the beginning, end or type of the
175=item on_sel_extend $term 404=item on_sel_extend $term
176 405
177Called whenever the user tries to extend the selection (e.g. with a double 406Called whenever the user tries to extend the selection (e.g. with a double
178click) and is either supposed to return false (normal operation), or 407click) and is either supposed to return false (normal operation), or
179should extend the selection itelf and return true to suppress the built-in 408should extend the selection itelf and return true to suppress the built-in
180processing. 409processing. This can happen multiple times, as long as the callback
410returns true, it will be called on every further click by the user and is
411supposed to enlarge the selection more and more, if possible.
181 412
182See the F<selection> example extension. 413See the F<selection> example extension.
183
184=item on_focus_in $term
185
186Called whenever the window gets the keyboard focus, before urxvt does
187focus in processing.
188
189=item on_focus_out $term
190
191Called wheneever the window loses keyboard focus, before urxvt does focus
192out processing.
193 414
194=item on_view_change $term, $offset 415=item on_view_change $term, $offset
195 416
196Called whenever the view offset changes, i..e the user or program 417Called whenever the view offset changes, i..e the user or program
197scrolls. Offset C<0> means display the normal terminal, positive values 418scrolls. Offset C<0> means display the normal terminal, positive values
204than the scroll back buffer or the terminal. 425than the scroll back buffer or the terminal.
205 426
206It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 427It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
207$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total 428$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
208number of lines that will be in the scrollback buffer. 429number of lines that will be in the scrollback buffer.
209
210=item on_tty_activity $term *NYI*
211
212Called whenever the program(s) running in the urxvt window send output.
213 430
214=item on_osc_seq $term, $string 431=item on_osc_seq $term, $string
215 432
216Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = 433Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
217operating system command) is processed. Cursor position and other state 434operating system command) is processed. Cursor position and other state
230can filter/change and output the text yourself by returning a true value 447can filter/change and output the text yourself by returning a true value
231and calling C<< $term->scr_add_lines >> yourself. Please note that this 448and calling C<< $term->scr_add_lines >> yourself. Please note that this
232might be very slow, however, as your hook is called for B<all> text being 449might be very slow, however, as your hook is called for B<all> text being
233output. 450output.
234 451
452=item on_tt_write $term, $octets
453
454Called whenever some data is written to the tty/pty and can be used to
455suppress or filter tty input.
456
235=item on_line_update $term, $row 457=item on_line_update $term, $row
236 458
237Called whenever a line was updated or changed. Can be used to filter 459Called whenever a line was updated or changed. Can be used to filter
238screen output (e.g. underline urls or other useless stuff). Only lines 460screen output (e.g. underline urls or other useless stuff). Only lines
239that are being shown will be filtered, and, due to performance reasons, 461that are being shown will be filtered, and, due to performance reasons,
261 483
262Called whenever the user presses a key combination that has a 484Called whenever the user presses a key combination that has a
263C<perl:string> action bound to it (see description of the B<keysym> 485C<perl:string> action bound to it (see description of the B<keysym>
264resource in the @@RXVT_NAME@@(1) manpage). 486resource in the @@RXVT_NAME@@(1) manpage).
265 487
488=item on_x_event $term, $event
489
490Called on every X event received on the vt window (and possibly other
491windows). Should only be used as a last resort. Most event structure
492members are not passed.
493
494=item on_focus_in $term
495
496Called whenever the window gets the keyboard focus, before rxvt-unicode
497does focus in processing.
498
499=item on_focus_out $term
500
501Called wheneever the window loses keyboard focus, before rxvt-unicode does
502focus out processing.
503
504=item on_configure_notify $term, $event
505
506=item on_property_notify $term, $event
507
508=item on_key_press $term, $event, $keysym, $octets
509
510=item on_key_release $term, $event, $keysym
511
512=item on_button_press $term, $event
513
514=item on_button_release $term, $event
515
516=item on_motion_notify $term, $event
517
518=item on_map_notify $term, $event
519
520=item on_unmap_notify $term, $event
521
522Called whenever the corresponding X event is received for the terminal If
523the hook returns true, then the even will be ignored by rxvt-unicode.
524
525The event is a hash with most values as named by Xlib (see the XEvent
526manpage), with the additional members C<row> and C<col>, which are the
527(real, not screen-based) row and column under the mouse cursor.
528
529C<on_key_press> additionally receives the string rxvt-unicode would
530output, if any, in locale-specific encoding.
531
532subwindow.
533
534=item on_client_message $term, $event
535
536=item on_wm_protocols $term, $event
537
538=item on_wm_delete_window $term, $event
539
540Called when various types of ClientMessage events are received (all with
541format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
542
266=back 543=back
267 544
545=cut
546
547package urxvt;
548
549use utf8;
550use strict;
551use Carp ();
552use Scalar::Util ();
553use List::Util ();
554
555our $VERSION = 1;
556our $TERM;
557our @TERM_INIT;
558our @TERM_EXT;
559our @HOOKNAME;
560our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
561our %OPTION;
562
563our $LIBDIR;
564our $RESNAME;
565our $RESCLASS;
566our $RXVTNAME;
567
568our $NOCHAR = chr 0xffff;
569
268=head2 Variables in the C<urxvt> Package 570=head2 Variables in the C<urxvt> Package
269 571
270=over 4 572=over 4
271 573
574=item $urxvt::LIBDIR
575
576The rxvt-unicode library directory, where, among other things, the perl
577modules and scripts are stored.
578
579=item $urxvt::RESCLASS, $urxvt::RESCLASS
580
581The resource class and name rxvt-unicode uses to look up X resources.
582
583=item $urxvt::RXVTNAME
584
585The basename of the installed binaries, usually C<urxvt>.
586
272=item $urxvt::TERM 587=item $urxvt::TERM
273 588
274The current terminal. Whenever a callback/Hook is bein executed, this 589The current terminal. This variable stores the current C<urxvt::term>
275variable stores the current C<urxvt::term> object. 590object, whenever a callback/hook is executing.
591
592=item @urxvt::TERM_INIT
593
594All coderefs in this array will be called as methods of the next newly
595created C<urxvt::term> object (during the C<on_init> phase). The array
596gets cleared before the codereferences that were in it are being executed,
597so coderefs can push themselves onto it again if they so desire.
598
599This complements to the perl-eval commandline option, but gets executed
600first.
601
602=item @urxvt::TERM_EXT
603
604Works similar to C<@TERM_INIT>, but contains perl package/class names, which
605get registered as normal extensions after calling the hooks in C<@TERM_INIT>
606but before other extensions. Gets cleared just like C<@TERM_INIT>.
276 607
277=back 608=back
278 609
279=head2 Functions in the C<urxvt> Package 610=head2 Functions in the C<urxvt> Package
280 611
281=over 4 612=over 4
282
283=item $term = new urxvt [arg...]
284
285Creates a new terminal, very similar as if you had started it with
286C<system $binfile, arg...>. Croaks (and probably outputs an error message)
287if the new instance couldn't be created. Returns C<undef> if the new
288instance didn't initialise perl, and the terminal object otherwise. The
289C<init> and C<start> hooks will be called during the call.
290 613
291=item urxvt::fatal $errormessage 614=item urxvt::fatal $errormessage
292 615
293Fatally aborts execution with the given error message. Avoid at all 616Fatally aborts execution with the given error message. Avoid at all
294costs! The only time this is acceptable is when the terminal process 617costs! The only time this is acceptable is when the terminal process
301that calls this function. 624that calls this function.
302 625
303Using this function has the advantage that its output ends up in the 626Using this function has the advantage that its output ends up in the
304correct place, e.g. on stderr of the connecting urxvtc client. 627correct place, e.g. on stderr of the connecting urxvtc client.
305 628
629Messages have a size limit of 1023 bytes currently.
630
306=item $time = urxvt::NOW 631=item $time = urxvt::NOW
307 632
308Returns the "current time" (as per the event loop). 633Returns the "current time" (as per the event loop).
634
635=item urxvt::CurrentTime
636
637=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
638Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
639Button4Mask, Button5Mask, AnyModifier
640
641=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
642ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
643PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
644Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
645KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
646ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
647FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
648
649=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
650EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
651GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
652UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
653ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
654CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
655SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
656
657Various constants for use in X calls and event processing.
309 658
310=back 659=back
311 660
312=head2 RENDITION 661=head2 RENDITION
313 662
340 689
341=item $background = urxvt::GET_BASEBG $rend 690=item $background = urxvt::GET_BASEBG $rend
342 691
343Return the foreground/background colour index, respectively. 692Return the foreground/background colour index, respectively.
344 693
345=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) 694=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
346 695
347=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) 696=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
348 697
349Replace the foreground/background colour in the rendition mask with the 698Replace the foreground/background colour in the rendition mask with the
350specified one. 699specified one.
351 700
352=item $value = urxvt::GET_CUSTOM ($rend) 701=item $value = urxvt::GET_CUSTOM $rend
353 702
354Return the "custom" value: Every rendition has 5 bits for use by 703Return the "custom" value: Every rendition has 5 bits for use by
355extensions. They can be set and changed as you like and are initially 704extensions. They can be set and changed as you like and are initially
356zero. 705zero.
357 706
358=item $rend = urxvt::SET_CUSTOM ($rend, $new_value) 707=item $rend = urxvt::SET_CUSTOM $rend, $new_value
359 708
360Change the custom value. 709Change the custom value.
361 710
362=back 711=back
363 712
364=cut 713=cut
365 714
366package urxvt;
367
368use strict;
369use Scalar::Util ();
370
371our $TERM;
372our @HOOKNAME;
373our $LIBDIR;
374
375BEGIN { 715BEGIN {
376 urxvt->bootstrap;
377
378 # overwrite perl's warn 716 # overwrite perl's warn
379 *CORE::GLOBAL::warn = sub { 717 *CORE::GLOBAL::warn = sub {
380 my $msg = join "", @_; 718 my $msg = join "", @_;
381 $msg .= "\n" 719 $msg .= "\n"
382 unless $msg =~ /\n$/; 720 unless $msg =~ /\n$/;
383 urxvt::warn ($msg); 721 urxvt::warn ($msg);
384 }; 722 };
385} 723}
386 724
387my @hook_count; 725no warnings 'utf8';
726
388my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 727my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
389 728
390sub verbose { 729sub verbose {
391 my ($level, $msg) = @_; 730 my ($level, $msg) = @_;
392 warn "$msg\n" if $level <= $verbosity; 731 warn "$msg\n" if $level <= $verbosity;
393} 732}
394 733
395# find on_xxx subs in the package and register them 734my %extension_pkg;
396# as hooks
397sub register_package($) {
398 my ($pkg) = @_;
399
400 for my $htype (0.. $#HOOKNAME) {
401 my $name = $HOOKNAME[$htype];
402
403 my $ref = $pkg->can ("on_" . lc $name)
404 or next;
405
406 $TERM->{_hook}[$htype]{$pkg} = $ref;
407 $hook_count[$htype]++
408 or set_should_invoke $htype, 1;
409 }
410}
411
412my $script_pkg = "script0000";
413my %script_pkg;
414 735
415# load a single script into its own package, once only 736# load a single script into its own package, once only
416sub script_package($) { 737sub extension_package($) {
417 my ($path) = @_; 738 my ($path) = @_;
418 739
419 $script_pkg{$path} ||= do { 740 $extension_pkg{$path} ||= do {
420 my $pkg = "urxvt::" . ($script_pkg++); 741 $path =~ /([^\/\\]+)$/;
742 my $pkg = $1;
743 $pkg =~ s/[^[:word:]]/_/g;
744 $pkg = "urxvt::ext::$pkg";
421 745
422 verbose 3, "loading script '$path' into package '$pkg'"; 746 verbose 3, "loading extension '$path' into package '$pkg'";
423 747
424 open my $fh, "<:raw", $path 748 open my $fh, "<:raw", $path
425 or die "$path: $!"; 749 or die "$path: $!";
426 750
427 my $source = "package $pkg; use strict; use utf8;\n" 751 my $source =
752 "package $pkg; use strict; use utf8; no warnings 'utf8';\n"
428 . "#line 1 \"$path\"\n{\n" 753 . "#line 1 \"$path\"\n{\n"
429 . (do { local $/; <$fh> }) 754 . (do { local $/; <$fh> })
430 . "\n};\n1"; 755 . "\n};\n1";
431 756
757 eval $source
432 eval $source or die "$path: $@"; 758 or die "$path: $@";
433 759
434 $pkg 760 $pkg
435 } 761 }
436} 762}
437 763
442 local $TERM = shift; 768 local $TERM = shift;
443 my $htype = shift; 769 my $htype = shift;
444 770
445 if ($htype == 0) { # INIT 771 if ($htype == 0) { # INIT
446 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 772 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
773
774 my %ext_arg;
447 775
776 {
777 my @init = @TERM_INIT;
778 @TERM_INIT = ();
779 $_->($TERM) for @init;
780 my @pkg = @TERM_EXT;
781 @TERM_EXT = ();
782 $TERM->register_package ($_) for @pkg;
783 }
784
448 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { 785 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
786 if ($_ eq "default") {
787 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
788 } elsif (/^-(.*)$/) {
789 delete $ext_arg{$1};
790 } elsif (/^([^<]+)<(.*)>$/) {
791 push @{ $ext_arg{$1} }, $2;
792 } else {
793 $ext_arg{$_} ||= [];
794 }
795 }
796
797 while (my ($ext, $argv) = each %ext_arg) {
449 my @files = grep -f $_, map "$_/$ext", @dirs; 798 my @files = grep -f $_, map "$_/$ext", @dirs;
450 799
451 if (@files) { 800 if (@files) {
452 register_package script_package $files[0]; 801 $TERM->register_package (extension_package $files[0], $argv);
453 } else { 802 } else {
454 warn "perl extension '$ext' not found in perl library search path\n"; 803 warn "perl extension '$ext' not found in perl library search path\n";
455 } 804 }
456 } 805 }
806
807 eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
808 warn $@ if $@;
457 } 809 }
458 810
459 $retval = undef; 811 $retval = undef;
460 812
461 if (my $cb = $TERM->{_hook}[$htype]) { 813 if (my $cb = $TERM->{_hook}[$htype]) {
463 if $verbosity >= 10; 815 if $verbosity >= 10;
464 816
465 keys %$cb; 817 keys %$cb;
466 818
467 while (my ($pkg, $cb) = each %$cb) { 819 while (my ($pkg, $cb) = each %$cb) {
468 $retval = $cb->( 820 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
469 $TERM->{_pkg}{$pkg} ||= do { 821 $retval ||= $retval_;
470 my $proxy = bless { }, urxvt::term::proxy::;
471 Scalar::Util::weaken ($proxy->{term} = $TERM);
472 $proxy
473 },
474 @_,
475 ) and last;
476 }
477 }
478 822
479 if ($htype == 1) { # DESTROY 823 if ($@) {
480 # remove hooks if unused 824 $TERM->ungrab; # better to lose the grab than the session
481 if (my $hook = $TERM->{_hook}) { 825 warn $@;
482 for my $htype (0..$#$hook) {
483 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
484 or set_should_invoke $htype, 0;
485 } 826 }
486 } 827 }
487 828
829 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
830 if $verbosity >= 11;
831 }
832
833 if ($htype == 1) { # DESTROY
488 # clear package objects 834 # clear package objects
489 %$_ = () for values %{ $TERM->{_pkg} }; 835 %$_ = () for values %{ $TERM->{_pkg} };
490 836
491 # clear package 837 # clear package
492 %$TERM = (); 838 %$TERM = ();
493 } 839 }
494 840
495 $retval 841 $retval
496} 842}
497 843
498sub urxvt::term::proxy::AUTOLOAD { 844# urxvt::term::extension
499 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ 845
846package urxvt::term::extension;
847
848sub enable {
849 my ($self, %hook) = @_;
850 my $pkg = $self->{_pkg};
851
852 while (my ($name, $cb) = each %hook) {
853 my $htype = $HOOKTYPE{uc $name};
854 defined $htype
855 or Carp::croak "unsupported hook type '$name'";
856
857 $self->set_should_invoke ($htype, +1)
858 unless exists $self->{term}{_hook}[$htype]{$pkg};
859
860 $self->{term}{_hook}[$htype]{$pkg} = $cb;
861 }
862}
863
864sub disable {
865 my ($self, @hook) = @_;
866 my $pkg = $self->{_pkg};
867
868 for my $name (@hook) {
869 my $htype = $HOOKTYPE{uc $name};
870 defined $htype
871 or Carp::croak "unsupported hook type '$name'";
872
873 $self->set_should_invoke ($htype, -1)
874 if delete $self->{term}{_hook}[$htype]{$pkg};
875 }
876}
877
878our $AUTOLOAD;
879
880sub AUTOLOAD {
881 $AUTOLOAD =~ /:([^:]+)$/
500 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; 882 or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
501 883
502 eval qq{ 884 eval qq{
503 sub $urxvt::term::proxy::AUTOLOAD { 885 sub $AUTOLOAD {
504 my \$proxy = shift; 886 my \$proxy = shift;
505 \$proxy->{term}->$1 (\@_) 887 \$proxy->{term}->$1 (\@_)
506 } 888 }
507 1 889 1
508 } or die "FATAL: unable to compile method forwarder: $@"; 890 } or die "FATAL: unable to compile method forwarder: $@";
509 891
510 goto &$urxvt::term::proxy::AUTOLOAD; 892 goto &$AUTOLOAD;
511} 893}
894
895sub DESTROY {
896 # nop
897}
898
899# urxvt::destroy_hook
900
901sub urxvt::destroy_hook::DESTROY {
902 ${$_[0]}->();
903}
904
905sub urxvt::destroy_hook(&) {
906 bless \shift, urxvt::destroy_hook::
907}
908
909package urxvt::anyevent;
910
911=head2 The C<urxvt::anyevent> Class
912
913The sole purpose of this class is to deliver an interface to the
914C<AnyEvent> module - any module using it will work inside urxvt without
915further programming. The only exception is that you cannot wait on
916condition variables, but non-blocking condvar use is ok. What this means
917is that you cannot use blocking APIs, but the non-blocking variant should
918work.
919
920=cut
921
922our $VERSION = 1;
923
924$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
925push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
926
927sub timer {
928 my ($class, %arg) = @_;
929
930 my $cb = $arg{cb};
931
932 urxvt::timer
933 ->new
934 ->start (urxvt::NOW + $arg{after})
935 ->cb (sub {
936 $_[0]->stop; # need to cancel manually
937 $cb->();
938 })
939}
940
941sub io {
942 my ($class, %arg) = @_;
943
944 my $cb = $arg{cb};
945
946 bless [$arg{fh}, urxvt::iow
947 ->new
948 ->fd (fileno $arg{fh})
949 ->events (($arg{poll} =~ /r/ ? 1 : 0)
950 | ($arg{poll} =~ /w/ ? 2 : 0))
951 ->start
952 ->cb (sub {
953 $cb->(($_[1] & 1 ? 'r' : '')
954 . ($_[1] & 2 ? 'w' : ''));
955 })],
956 urxvt::anyevent::
957}
958
959sub DESTROY {
960 $_[0][1]->stop;
961}
962
963sub condvar {
964 bless \my $flag, urxvt::anyevent::condvar::
965}
966
967sub urxvt::anyevent::condvar::broadcast {
968 ${$_[0]}++;
969}
970
971sub urxvt::anyevent::condvar::wait {
972 unless (${$_[0]}) {
973 Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";
974 }
975}
976
977package urxvt::term;
512 978
513=head2 The C<urxvt::term> Class 979=head2 The C<urxvt::term> Class
514 980
515=over 4 981=over 4
516 982
983=cut
984
985# find on_xxx subs in the package and register them
986# as hooks
987sub register_package {
988 my ($self, $pkg, $argv) = @_;
989
990 no strict 'refs';
991
992 urxvt::verbose 6, "register package $pkg to $self";
993
994 @{"$pkg\::ISA"} = urxvt::term::extension::;
995
996 my $proxy = bless {
997 _pkg => $pkg,
998 argv => $argv,
999 }, $pkg;
1000 Scalar::Util::weaken ($proxy->{term} = $self);
1001
1002 $self->{_pkg}{$pkg} = $proxy;
1003
1004 for my $name (@HOOKNAME) {
1005 if (my $ref = $pkg->can ("on_" . lc $name)) {
1006 $proxy->enable ($name => $ref);
1007 }
1008 }
1009}
1010
1011=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1012
1013Creates a new terminal, very similar as if you had started it with system
1014C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1015hash which defines the environment of the new terminal.
1016
1017Croaks (and probably outputs an error message) if the new instance
1018couldn't be created. Returns C<undef> if the new instance didn't
1019initialise perl, and the terminal object otherwise. The C<init> and
1020C<start> hooks will be called during this call.
1021
1022=cut
1023
1024sub new {
1025 my ($class, $env, @args) = @_;
1026
1027 _new ([ map "$_=$env->{$_}", keys %$env ], @args);
1028}
1029
517=item $term->destroy 1030=item $term->destroy
518 1031
519Destroy the terminal object (close the window, free resources etc.). 1032Destroy the terminal object (close the window, free resources
1033etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
1034watchers (timers, io watchers) are still active.
1035
1036=item $term->exec_async ($cmd[, @args])
1037
1038Works like the combination of the C<fork>/C<exec> builtins, which executes
1039("starts") programs in the background. This function takes care of setting
1040the user environment before exec'ing the command (e.g. C<PATH>) and should
1041be preferred over explicit calls to C<exec> or C<system>.
1042
1043Returns the pid of the subprocess or C<undef> on error.
1044
1045=cut
1046
1047sub exec_async {
1048 my $self = shift;
1049
1050 my $pid = fork;
1051
1052 return $pid
1053 if !defined $pid or $pid;
1054
1055 %ENV = %{ $self->env };
1056
1057 exec @_;
1058 urxvt::_exit 255;
1059}
1060
1061=item $isset = $term->option ($optval[, $set])
1062
1063Returns true if the option specified by C<$optval> is enabled, and
1064optionally change it. All option values are stored by name in the hash
1065C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1066
1067Here is a a likely non-exhaustive list of option names, please see the
1068source file F</src/optinc.h> to see the actual list:
1069
1070 borderLess console cursorBlink cursorUnderline hold iconic insecure
1071 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
1072 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
1073 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
1074 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
1075 transparent tripleclickwords utmpInhibit visualBell
520 1076
521=item $value = $term->resource ($name[, $newval]) 1077=item $value = $term->resource ($name[, $newval])
522 1078
523Returns the current resource value associated with a given name and 1079Returns the current resource value associated with a given name and
524optionally sets a new value. Setting values is most useful in the C<init> 1080optionally sets a new value. Setting values is most useful in the C<init>
534 1090
535Please note that resource strings will currently only be freed when the 1091Please note that resource strings will currently only be freed when the
536terminal is destroyed, so changing options frequently will eat memory. 1092terminal is destroyed, so changing options frequently will eat memory.
537 1093
538Here is a a likely non-exhaustive list of resource names, not all of which 1094Here is a a likely non-exhaustive list of resource names, not all of which
539are supported in every build, please see the source to see the actual 1095are supported in every build, please see the source file F</src/rsinc.h>
540list: 1096to see the actual list:
541 1097
542 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1098 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
543 borderLess color cursorBlink cursorUnderline cutchars delete_key 1099 borderLess color cursorBlink cursorUnderline cutchars delete_key
544 display_name embed ext_bwidth fade font geometry hold iconName 1100 display_name embed ext_bwidth fade font geometry hold iconName
545 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1101 imFont imLocale inputMethod insecure int_bwidth intensityStyles
546 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1102 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
547 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1103 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
548 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1104 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
549 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1105 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
550 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1106 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
551 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1107 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
552 shade term_name title transparent transparent_all tripleclickwords 1108 secondaryScreen secondaryScroll selectstyle shade term_name title
553 utmpInhibit visualBell 1109 transient_for transparent transparent_all tripleclickwords utmpInhibit
1110 visualBell
554 1111
555=cut 1112=cut
556 1113
557sub urxvt::term::resource($$;$) { 1114sub resource($$;$) {
558 my ($self, $name) = (shift, shift); 1115 my ($self, $name) = (shift, shift);
559 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 1116 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
560 goto &urxvt::term::_resource; 1117 &urxvt::term::_resource
561} 1118}
1119
1120=item $value = $term->x_resource ($pattern)
1121
1122Returns the X-Resource for the given pattern, excluding the program or
1123class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1124same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1125resource with that pattern exists.
1126
1127This method should only be called during the C<on_start> hook, as there is
1128only one resource database per display, and later invocations might return
1129the wrong resources.
1130
1131=item $success = $term->parse_keysym ($keysym_spec, $command_string)
1132
1133Adds a keymap translation exactly as specified via a resource. See the
1134C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
562 1135
563=item $rend = $term->rstyle ([$new_rstyle]) 1136=item $rend = $term->rstyle ([$new_rstyle])
564 1137
565Return and optionally change the current rendition. Text that is output by 1138Return and optionally change the current rendition. Text that is output by
566the terminal application will use this style. 1139the terminal application will use this style.
577=item ($row, $col) = $term->selection_end ([$row, $col]) 1150=item ($row, $col) = $term->selection_end ([$row, $col])
578 1151
579Return the current values of the selection mark, begin or end positions, 1152Return the current values of the selection mark, begin or end positions,
580and optionally set them to new values. 1153and optionally set them to new values.
581 1154
1155=item $term->selection_make ($eventtime[, $rectangular])
1156
1157Tries to make a selection as set by C<selection_beg> and
1158C<selection_end>. If C<$rectangular> is true (default: false), a
1159rectangular selection will be made. This is the prefered function to make
1160a selection.
1161
582=item $success = $term->selection_grab ($eventtime) 1162=item $success = $term->selection_grab ($eventtime)
583 1163
584Try to request the primary selection from the server (for example, as set 1164Try to request the primary selection text from the server (for example, as
585by the next method). 1165set by the next method). No visual feedback will be given. This function
1166is mostly useful from within C<on_sel_grab> hooks.
586 1167
587=item $oldtext = $term->selection ([$newtext]) 1168=item $oldtext = $term->selection ([$newtext])
588 1169
589Return the current selection text and optionally replace it by C<$newtext>. 1170Return the current selection text and optionally replace it by C<$newtext>.
590 1171
591#=item $term->overlay ($x, $y, $text) 1172=item $term->overlay_simple ($x, $y, $text)
592# 1173
593#Create a simple multi-line overlay box. See the next method for details. 1174Create a simple multi-line overlay box. See the next method for details.
594# 1175
595#=cut 1176=cut
596# 1177
597#sub urxvt::term::scr_overlay { 1178sub overlay_simple {
598# my ($self, $x, $y, $text) = @_; 1179 my ($self, $x, $y, $text) = @_;
599# 1180
600# my @lines = split /\n/, $text; 1181 my @lines = split /\n/, $text;
601# 1182
602# my $w = 0; 1183 my $w = List::Util::max map $self->strwidth ($_), @lines;
603# for (map $self->strwidth ($_), @lines) { 1184
604# $w = $_ if $w < $_;
605# }
606#
607# $self->scr_overlay_new ($x, $y, $w, scalar @lines); 1185 my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
608# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; 1186 $overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
609#} 1187
1188 $overlay
1189}
610 1190
611=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) 1191=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
612 1192
613Create a new (empty) overlay at the given position with the given 1193Create a new (empty) overlay at the given position with the given
614width/height. C<$rstyle> defines the initial rendition style 1194width/height. C<$rstyle> defines the initial rendition style
641 1221
642If hidden, display the overlay again. 1222If hidden, display the overlay again.
643 1223
644=back 1224=back
645 1225
1226=item $popup = $term->popup ($event)
1227
1228Creates a new C<urxvt::popup> object that implements a popup menu. The
1229C<$event> I<must> be the event causing the menu to pop up (a button event,
1230currently).
1231
1232=cut
1233
1234sub popup {
1235 my ($self, $event) = @_;
1236
1237 $self->grab ($event->{time}, 1)
1238 or return;
1239
1240 my $popup = bless {
1241 term => $self,
1242 event => $event,
1243 }, urxvt::popup::;
1244
1245 Scalar::Util::weaken $popup->{term};
1246
1247 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
1248 Scalar::Util::weaken $self->{_destroy}{$popup};
1249
1250 $popup
1251}
1252
646=item $cellwidth = $term->strwidth $string 1253=item $cellwidth = $term->strwidth ($string)
647 1254
648Returns the number of screen-cells this string would need. Correctly 1255Returns the number of screen-cells this string would need. Correctly
649accounts for wide and combining characters. 1256accounts for wide and combining characters.
650 1257
651=item $octets = $term->locale_encode $string 1258=item $octets = $term->locale_encode ($string)
652 1259
653Convert the given text string into the corresponding locale encoding. 1260Convert the given text string into the corresponding locale encoding.
654 1261
655=item $string = $term->locale_decode $octets 1262=item $string = $term->locale_decode ($octets)
656 1263
657Convert the given locale-encoded octets into a perl string. 1264Convert the given locale-encoded octets into a perl string.
1265
1266=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1267
1268XORs the rendition values in the given span with the provided value
1269(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1270refresh hooks to provide effects similar to the selection.
1271
1272=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1273
1274Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1275whitespace will additionally be xored with the C<$rstyle2>, which defaults
1276to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1277it instead. Both styles I<MUST NOT> contain font styles.
1278
1279=item $term->scr_bell
1280
1281Ring the bell!
658 1282
659=item $term->scr_add_lines ($string) 1283=item $term->scr_add_lines ($string)
660 1284
661Write the given text string to the screen, as if output by the application 1285Write the given text string to the screen, as if output by the application
662running inside the terminal. It may not contain command sequences (escape 1286running inside the terminal. It may not contain command sequences (escape
665 1289
666Normally its not a good idea to use this function, as programs might be 1290Normally its not a good idea to use this function, as programs might be
667confused by changes in cursor position or scrolling. Its useful inside a 1291confused by changes in cursor position or scrolling. Its useful inside a
668C<on_add_lines> hook, though. 1292C<on_add_lines> hook, though.
669 1293
1294=item $term->scr_change_screen ($screen)
1295
1296Switch to given screen - 0 primary, 1 secondary.
1297
670=item $term->cmd_parse ($octets) 1298=item $term->cmd_parse ($octets)
671 1299
672Similar to C<scr_add_lines>, but the argument must be in the 1300Similar to C<scr_add_lines>, but the argument must be in the
673locale-specific encoding of the terminal and can contain command sequences 1301locale-specific encoding of the terminal and can contain command sequences
674(escape codes) that will be interpreted. 1302(escape codes) that will be interpreted.
677 1305
678Write the octets given in C<$data> to the tty (i.e. as program input). To 1306Write the octets given in C<$data> to the tty (i.e. as program input). To
679pass characters instead of octets, you should convert your strings first 1307pass characters instead of octets, you should convert your strings first
680to the locale-specific encoding using C<< $term->locale_encode >>. 1308to the locale-specific encoding using C<< $term->locale_encode >>.
681 1309
1310=item $old_events = $term->pty_ev_events ([$new_events])
1311
1312Replaces the event mask of the pty watcher by the given event mask. Can
1313be used to suppress input and output handling to the pty/tty. See the
1314description of C<< urxvt::timer->events >>. Make sure to always restore
1315the previous value.
1316
1317=item $fd = $term->pty_fd
1318
1319Returns the master file descriptor for the pty in use, or C<-1> if no pty
1320is used.
1321
1322=item $windowid = $term->parent
1323
1324Return the window id of the toplevel window.
1325
1326=item $windowid = $term->vt
1327
1328Return the window id of the terminal window.
1329
1330=item $term->vt_emask_add ($x_event_mask)
1331
1332Adds the specified events to the vt event mask. Useful e.g. when you want
1333to receive pointer events all the times:
1334
1335 $term->vt_emask_add (urxvt::PointerMotionMask);
1336
682=item $window_width = $term->width 1337=item $window_width = $term->width
683 1338
684=item $window_height = $term->height 1339=item $window_height = $term->height
685 1340
686=item $font_width = $term->fwidth 1341=item $font_width = $term->fwidth
699 1354
700=item $max_scrollback = $term->saveLines 1355=item $max_scrollback = $term->saveLines
701 1356
702=item $nrow_plus_saveLines = $term->total_rows 1357=item $nrow_plus_saveLines = $term->total_rows
703 1358
704=item $lines_in_scrollback = $term->nsaved 1359=item $topmost_scrollback_row = $term->top_row
705 1360
706Return various integers describing terminal characteristics. 1361Return various integers describing terminal characteristics.
707 1362
1363=item $x_display = $term->display_id
1364
1365Return the DISPLAY used by rxvt-unicode.
1366
1367=item $lc_ctype = $term->locale
1368
1369Returns the LC_CTYPE category string used by this rxvt-unicode.
1370
1371=item $env = $term->env
1372
1373Returns a copy of the environment in effect for the terminal as a hashref
1374similar to C<\%ENV>.
1375
1376=cut
1377
1378sub env {
1379 if (my $env = $_[0]->_env) {
1380 +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }
1381 } else {
1382 +{ %ENV }
1383 }
1384}
1385
1386=item $modifiermask = $term->ModLevel3Mask
1387
1388=item $modifiermask = $term->ModMetaMask
1389
1390=item $modifiermask = $term->ModNumLockMask
1391
1392Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1393AltGr), the meta key (often Alt) and the num lock key, if applicable.
1394
1395=item $screen = $term->current_screen
1396
1397Returns the currently displayed screen (0 primary, 1 secondary).
1398
1399=item $cursor_is_hidden = $term->hidden_cursor
1400
1401Returns wether the cursor is currently hidden or not.
1402
708=item $view_start = $term->view_start ([$newvalue]) 1403=item $view_start = $term->view_start ([$newvalue])
709 1404
710Returns the negative row number of the topmost line. Minimum value is 1405Returns the row number of the topmost displayed line. Maximum value is
711C<0>, which displays the normal terminal contents. Larger values scroll 1406C<0>, which displays the normal terminal contents. Lower values scroll
712this many lines into the scrollback buffer. 1407this many lines into the scrollback buffer.
713 1408
714=item $term->want_refresh 1409=item $term->want_refresh
715 1410
716Requests a screen refresh. At the next opportunity, rxvt-unicode will 1411Requests a screen refresh. At the next opportunity, rxvt-unicode will
731line, starting at column C<$start_col> (default C<0>), which is useful 1426line, starting at column C<$start_col> (default C<0>), which is useful
732to replace only parts of a line. The font index in the rendition will 1427to replace only parts of a line. The font index in the rendition will
733automatically be updated. 1428automatically be updated.
734 1429
735C<$text> is in a special encoding: tabs and wide characters that use more 1430C<$text> is in a special encoding: tabs and wide characters that use more
736than one cell when displayed are padded with urxvt::NOCHAR characters 1431than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
737(C<chr 65535>). Characters with combining characters and other characters 1432characters. Characters with combining characters and other characters that
738that do not fit into the normal tetx encoding will be replaced with 1433do not fit into the normal tetx encoding will be replaced with characters
739characters in the private use area. 1434in the private use area.
740 1435
741You have to obey this encoding when changing text. The advantage is 1436You have to obey this encoding when changing text. The advantage is
742that C<substr> and similar functions work on screen cells and not on 1437that C<substr> and similar functions work on screen cells and not on
743characters. 1438characters.
744 1439
795Return the row number of the first/last row of the line, respectively. 1490Return the row number of the first/last row of the line, respectively.
796 1491
797=item $offset = $line->offset_of ($row, $col) 1492=item $offset = $line->offset_of ($row, $col)
798 1493
799Returns the character offset of the given row|col pair within the logical 1494Returns the character offset of the given row|col pair within the logical
800line. 1495line. Works for rows outside the line, too, and returns corresponding
1496offsets outside the string.
801 1497
802=item ($row, $col) = $line->coord_of ($offset) 1498=item ($row, $col) = $line->coord_of ($offset)
803 1499
804Translates a string offset into terminal coordinates again. 1500Translates a string offset into terminal coordinates again.
805 1501
806=back 1502=back
807 1503
808=cut 1504=cut
809 1505
810sub urxvt::term::line { 1506sub line {
811 my ($self, $row) = @_; 1507 my ($self, $row) = @_;
812 1508
813 my $maxrow = $self->nrow - 1; 1509 my $maxrow = $self->nrow - 1;
814 1510
815 my ($beg, $end) = ($row, $row); 1511 my ($beg, $end) = ($row, $row);
879 $offset / $self->{ncol} + $self->{beg}, 1575 $offset / $self->{ncol} + $self->{beg},
880 $offset % $self->{ncol} 1576 $offset % $self->{ncol}
881 ) 1577 )
882} 1578}
883 1579
884=item ($row, $col) = $line->coord_of ($offset)
885=item $text = $term->special_encode $string 1580=item $text = $term->special_encode $string
886 1581
887Converts a perl string into the special encoding used by rxvt-unicode, 1582Converts a perl string into the special encoding used by rxvt-unicode,
888where one character corresponds to one screen cell. See 1583where one character corresponds to one screen cell. See
889C<< $term->ROW_t >> for details. 1584C<< $term->ROW_t >> for details.
891=item $string = $term->special_decode $text 1586=item $string = $term->special_decode $text
892 1587
893Converts rxvt-unicodes text reprsentation into a perl string. See 1588Converts rxvt-unicodes text reprsentation into a perl string. See
894C<< $term->ROW_t >> for details. 1589C<< $term->ROW_t >> for details.
895 1590
1591=item $success = $term->grab_button ($button, $modifiermask)
1592
1593Registers a synchronous button grab. See the XGrabButton manpage.
1594
1595=item $success = $term->grab ($eventtime[, $sync])
1596
1597Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1598synchronous (C<$sync> is true). Also remembers the grab timestampe.
1599
1600=item $term->allow_events_async
1601
1602Calls XAllowEvents with AsyncBoth for the most recent grab.
1603
1604=item $term->allow_events_sync
1605
1606Calls XAllowEvents with SyncBoth for the most recent grab.
1607
1608=item $term->allow_events_replay
1609
1610Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1611recent grab.
1612
1613=item $term->ungrab
1614
1615Calls XUngrab for the most recent grab. Is called automatically on
1616evaluation errors, as it is better to lose the grab in the error case as
1617the session.
1618
1619=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1620
1621=item $atom_name = $term->XGetAtomName ($atom)
1622
1623=item @atoms = $term->XListProperties ($window)
1624
1625=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1626
1627=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
1628
1629=item $term->XDeleteProperty ($window, $property)
1630
1631=item $window = $term->DefaultRootWindow
1632
1633=item $term->XReparentWindow ($window, $parent, [$x, $y])
1634
1635=item $term->XMapWindow ($window)
1636
1637=item $term->XUnmapWindow ($window)
1638
1639=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1640
1641=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1642
1643=item $term->XChangeInput ($window, $add_events[, $del_events])
1644
1645Various X or X-related functions. The C<$term> object only serves as
1646the source of the display, otherwise those functions map more-or-less
1647directory onto the X functions of the same name.
1648
896=back 1649=back
1650
1651=cut
1652
1653package urxvt::popup;
1654
1655=head2 The C<urxvt::popup> Class
1656
1657=over 4
1658
1659=cut
1660
1661sub add_item {
1662 my ($self, $item) = @_;
1663
1664 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1665 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1666 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1667
1668 $item->{render} ||= sub { $_[0]{text} };
1669
1670 push @{ $self->{item} }, $item;
1671}
1672
1673=item $popup->add_title ($title)
1674
1675Adds a non-clickable title to the popup.
1676
1677=cut
1678
1679sub add_title {
1680 my ($self, $title) = @_;
1681
1682 $self->add_item ({
1683 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1684 text => $title,
1685 activate => sub { },
1686 });
1687}
1688
1689=item $popup->add_separator ([$sepchr])
1690
1691Creates a separator, optionally using the character given as C<$sepchr>.
1692
1693=cut
1694
1695sub add_separator {
1696 my ($self, $sep) = @_;
1697
1698 $sep ||= "=";
1699
1700 $self->add_item ({
1701 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1702 text => "",
1703 render => sub { $sep x $self->{term}->ncol },
1704 activate => sub { },
1705 });
1706}
1707
1708=item $popup->add_button ($text, $cb)
1709
1710Adds a clickable button to the popup. C<$cb> is called whenever it is
1711selected.
1712
1713=cut
1714
1715sub add_button {
1716 my ($self, $text, $cb) = @_;
1717
1718 $self->add_item ({ type => "button", text => $text, activate => $cb});
1719}
1720
1721=item $popup->add_toggle ($text, $cb, $initial_value)
1722
1723Adds a toggle/checkbox item to the popup. Teh callback gets called
1724whenever it gets toggled, with a boolean indicating its value as its first
1725argument.
1726
1727=cut
1728
1729sub add_toggle {
1730 my ($self, $text, $cb, $value) = @_;
1731
1732 my $item; $item = {
1733 type => "button",
1734 text => " $text",
1735 value => $value,
1736 render => sub { ($_[0]{value} ? "* " : " ") . $text },
1737 activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1738 };
1739
1740 $self->add_item ($item);
1741}
1742
1743=item $popup->show
1744
1745Displays the popup (which is initially hidden).
1746
1747=cut
1748
1749sub show {
1750 my ($self) = @_;
1751
1752 local $urxvt::popup::self = $self;
1753
1754 my $env = $self->{term}->env;
1755 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1756 delete $env->{LC_ALL};
1757 $env->{LC_CTYPE} = $self->{term}->locale;
1758
1759 urxvt::term->new ($env, "popup",
1760 "--perl-lib" => "", "--perl-ext-common" => "",
1761 "-pty-fd" => -1, "-sl" => 0,
1762 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1763 "--transient-for" => $self->{term}->parent,
1764 "-display" => $self->{term}->display_id,
1765 "-pe" => "urxvt-popup")
1766 or die "unable to create popup window\n";
1767}
1768
1769sub DESTROY {
1770 my ($self) = @_;
1771
1772 delete $self->{term}{_destroy}{$self};
1773 $self->{term}->ungrab;
1774}
1775
1776=back
1777
1778=cut
1779
1780package urxvt::watcher;
1781
1782@urxvt::timer::ISA = __PACKAGE__;
1783@urxvt::iow::ISA = __PACKAGE__;
1784@urxvt::pw::ISA = __PACKAGE__;
1785@urxvt::iw::ISA = __PACKAGE__;
897 1786
898=head2 The C<urxvt::timer> Class 1787=head2 The C<urxvt::timer> Class
899 1788
900This class implements timer watchers/events. Time is represented as a 1789This class implements timer watchers/events. Time is represented as a
901fractional number of seconds since the epoch. Example: 1790fractional number of seconds since the epoch. Example:
940 1829
941=item $timer = $timer->start ($tstamp) 1830=item $timer = $timer->start ($tstamp)
942 1831
943Set the event trigger time to C<$tstamp> and start the timer. 1832Set the event trigger time to C<$tstamp> and start the timer.
944 1833
1834=item $timer = $timer->after ($delay)
1835
1836Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1837
945=item $timer = $timer->stop 1838=item $timer = $timer->stop
946 1839
947Stop the timer. 1840Stop the timer.
948 1841
949=back 1842=back
954 1847
955 $term->{socket} = ... 1848 $term->{socket} = ...
956 $term->{iow} = urxvt::iow 1849 $term->{iow} = urxvt::iow
957 ->new 1850 ->new
958 ->fd (fileno $term->{socket}) 1851 ->fd (fileno $term->{socket})
959 ->events (1) # wait for read data 1852 ->events (urxvt::EVENT_READ)
960 ->start 1853 ->start
961 ->cb (sub { 1854 ->cb (sub {
962 my ($iow, $revents) = @_; 1855 my ($iow, $revents) = @_;
963 # $revents must be 1 here, no need to check 1856 # $revents must be 1 here, no need to check
964 sysread $term->{socket}, my $buf, 8192 1857 sysread $term->{socket}, my $buf, 8192
981 1874
982Set the filedescriptor (not handle) to watch. 1875Set the filedescriptor (not handle) to watch.
983 1876
984=item $iow = $iow->events ($eventmask) 1877=item $iow = $iow->events ($eventmask)
985 1878
986Set the event mask to watch. Bit #0 (value C<1>) enables watching for read 1879Set the event mask to watch. The only allowed values are
987data, Bit #1 (value C<2>) enables watching for write data. 1880C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
1881together, or C<urxvt::EVENT_NONE>.
988 1882
989=item $iow = $iow->start 1883=item $iow = $iow->start
990 1884
991Start watching for requested events on the given handle. 1885Start watching for requested events on the given handle.
992 1886
993=item $iow = $iow->stop 1887=item $iow = $iow->stop
994 1888
995Stop watching for events on the given filehandle. 1889Stop watching for events on the given filehandle.
1890
1891=back
1892
1893=head2 The C<urxvt::iw> Class
1894
1895This class implements idle watchers, that get called automatically when
1896the process is idle. They should return as fast as possible, after doing
1897some useful work.
1898
1899=over 4
1900
1901=item $iw = new urxvt::iw
1902
1903Create a new idle watcher object in stopped state.
1904
1905=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1906
1907Set the callback to be called when the watcher triggers.
1908
1909=item $timer = $timer->start
1910
1911Start the watcher.
1912
1913=item $timer = $timer->stop
1914
1915Stop the watcher.
1916
1917=back
1918
1919=head2 The C<urxvt::pw> Class
1920
1921This class implements process watchers. They create an event whenever a
1922process exits, after which they stop automatically.
1923
1924 my $pid = fork;
1925 ...
1926 $term->{pw} = urxvt::pw
1927 ->new
1928 ->start ($pid)
1929 ->cb (sub {
1930 my ($pw, $exit_status) = @_;
1931 ...
1932 });
1933
1934=over 4
1935
1936=item $pw = new urxvt::pw
1937
1938Create a new process watcher in stopped state.
1939
1940=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1941
1942Set the callback to be called when the timer triggers.
1943
1944=item $pw = $timer->start ($pid)
1945
1946Tells the wqtcher to start watching for process C<$pid>.
1947
1948=item $pw = $pw->stop
1949
1950Stop the watcher.
996 1951
997=back 1952=back
998 1953
999=head1 ENVIRONMENT 1954=head1 ENVIRONMENT
1000 1955
1003This variable controls the verbosity level of the perl extension. Higher 1958This variable controls the verbosity level of the perl extension. Higher
1004numbers indicate more verbose output. 1959numbers indicate more verbose output.
1005 1960
1006=over 4 1961=over 4
1007 1962
1008=item =0 - only fatal messages 1963=item == 0 - fatal messages
1009 1964
1010=item =3 - script loading and management 1965=item >= 3 - script loading and management
1011 1966
1012=item =10 - all events received 1967=item >=10 - all called hooks
1968
1969=item >=11 - hook reutrn values
1013 1970
1014=back 1971=back
1015 1972
1016=head1 AUTHOR 1973=head1 AUTHOR
1017 1974

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