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Revision 1.36 by root, Fri Jan 6 02:58:02 2006 UTC vs.
Revision 1.126 by root, Tue Jan 24 19:14:36 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
72Another example: Programs I use often output "absolute path: " at the
73beginning of a line when they process multiple files. The following
74pattern matches the filename (note, there is a single space at the very
75end):
76
77 URxvt.selection.pattern-0: ^(/[^:]+):\
78
79You can look at the source of the selection extension to see more
80interesting uses, such as parsing a line from beginning to end.
81
82This extension also offers following bindable keyboard commands:
50 83
51=over 4 84=over 4
52 85
53=item rot13 86=item rot13
54 87
56 89
57 URxvt.keysym.C-M-r: perl:selection:rot13 90 URxvt.keysym.C-M-r: perl:selection:rot13
58 91
59=back 92=back
60 93
94=item option-popup (enabled by default)
95
96Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
97runtime.
98
99=item selection-popup (enabled by default)
100
101Binds a popup menu to Ctrl-Button3 that lets you convert the selection
102text into various other formats/action (such as uri unescaping, perl
103evaluation, web-browser starting etc.), depending on content.
104
105Other extensions can extend this popup menu by pushing a code reference
106onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the
107popup is displayed.
108
109It's sole argument is the popup menu, which can be modified. The selection
110is in C<$_>, which can be used to decide wether to add something or not.
111It should either return nothing or a string and a code reference. The
112string will be used as button text and the code reference will be called
113when the button gets activated and should transform C<$_>.
114
115The following will add an entry C<a to b> that transforms all C<a>s in
116the selection to C<b>s, but only if the selection currently contains any
117C<a>s:
118
119 push @{ $self->{term}{selection_popup_hook} }, sub {
120 /a/ ? ("a to be" => sub { s/a/b/g }
121 : ()
122 };
123
124=item searchable-scrollback<hotkey> (enabled by default)
125
126Adds regex search functionality to the scrollback buffer, triggered
127by a hotkey (default: C<M-s>). While in search mode, normal terminal
128input/output is suspended and a regex is displayed at the bottom of the
129screen.
130
131Inputting characters appends them to the regex and continues incremental
132search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
133search upwards/downwards in the scrollback buffer, C<End> jumps to the
134bottom. C<Escape> leaves search mode and returns to the point where search
135was started, while C<Enter> or C<Return> stay at the current position and
136additionally stores the first match in the current line into the primary
137selection.
138
139=item readline (enabled by default)
140
141A support package that tries to make editing with readline easier. At the
142moment, it reacts to clicking with the left mouse button by trying to
143move the text cursor to this position. It does so by generating as many
144cursor-left or cursor-right keypresses as required (the this only works
145for programs that correctly support wide characters).
146
147To avoid too many false positives, this is only done when:
148
149=over 4
150
151=item - the tty is in ICANON state.
152
153=item - the text cursor is visible.
154
155=item - the primary screen is currently being displayed.
156
157=item - the mouse is on the same (multi-row-) line as the text cursor.
158
159=back
160
161The normal selection mechanism isn't disabled, so quick successive clicks
162might interfere with selection creation in harmless ways.
163
164=item selection-autotransform
165
166This selection allows you to do automatic transforms on a selection
167whenever a selection is made.
168
169It works by specifying perl snippets (most useful is a single C<s///>
170operator) that modify C<$_> as resources:
171
172 URxvt.selection-autotransform.0: transform
173 URxvt.selection-autotransform.1: transform
174 ...
175
176For example, the following will transform selections of the form
177C<filename:number>, often seen in compiler messages, into C<vi +$filename
178$word>:
179
180 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
181
182And this example matches the same,but replaces it with vi-commands you can
183paste directly into your (vi :) editor:
184
185 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
186
187Of course, this can be modified to suit your needs and your editor :)
188
189To expand the example above to typical perl error messages ("XXX at
190FILENAME line YYY."), you need a slightly more elaborate solution:
191
192 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
193 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
194
195The first line tells the selection code to treat the unchanging part of
196every error message as a selection pattern, and the second line transforms
197the message into vi commands to load the file.
198
199=item tabbed
200
201This transforms the terminal into a tabbar with additional terminals, that
202is, it implements what is commonly refered to as "tabbed terminal". The topmost line
203displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
204button per tab.
205
206Clicking a button will activate that tab. Pressing B<Shift-Left> and
207B<Shift-Right> will switch to the tab left or right of the current one,
208while B<Shift-Down> creates a new tab.
209
210=item mark-urls
211
212Uses per-line display filtering (C<on_line_update>) to underline urls and
213make them clickable. When middle-clicked, the program specified in the
214resource C<urlLauncher> (default C<x-www-browser>) will be started with
215the URL as first argument.
216
217=item automove-background
218
219This is basically a one-line extension that dynamically changes the background pixmap offset
220to the window position, in effect creating the same effect as pseudo transparency with
221a custom pixmap. No scaling is supported in this mode. Exmaple:
222
223 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
224
225=item block-graphics-to-ascii
226
227A not very useful example of filtering all text output to the terminal,
228by replacing all line-drawing characters (U+2500 .. U+259F) by a
229similar-looking ascii character.
230
61=item digital-clock 231=item digital-clock
62 232
63Displays a digital clock using the built-in overlay. 233Displays 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.
68 234
69=item example-refresh-hooks 235=item example-refresh-hooks
70 236
71Displays a very simple digital clock in the upper right corner of the 237Displays a very simple digital clock in the upper right corner of the
72window. Illustrates overwriting the refresh callbacks to create your own 238window. Illustrates overwriting the refresh callbacks to create your own
73overlays or changes. 239overlays or changes.
74 240
75=item example-filter-input 241=item selection-pastebin
76 242
77A not very useful example of filtering all text output to the terminal, by 243This is a little rarely useful extension that Uploads the selection as
78underlining all urls that matches a certain regex (i.e. some urls :). It 244textfile 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. 245not currently secure for use in a multiuser environment as it writes to
80when typing them) do not get marked. 246F</tmp> directly.).
247
248It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
249i.e.
250
251 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
252
253Pressing this combination runs a command with C<%> replaced by the name of
254the textfile. This command can be set via a resource:
255
256 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
257
258And the default is likely not useful to anybody but the few people around
259here :)
260
261The name of the textfile is the hex encoded md5 sum of the selection, so
262the same content should lead to the same filename.
263
264After a successful upload the selection will be replaced by the text given
265in the C<selection-pastebin-url> resource (again, the % is the placeholder
266for the filename):
267
268 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
81 269
82=back 270=back
271
272=head1 API DOCUMENTATION
83 273
84=head2 General API Considerations 274=head2 General API Considerations
85 275
86All objects (such as terminals, time watchers etc.) are typical 276All objects (such as terminals, time watchers etc.) are typical
87reference-to-hash objects. The hash can be used to store anything you 277reference-to-hash objects. The hash can be used to store anything you
100=over 4 290=over 4
101 291
102=item $text 292=item $text
103 293
104Rxvt-unicodes special way of encoding text, where one "unicode" character 294Rxvt-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. 295always represents one screen cell. See L<ROW_t> for a discussion of this format.
106 296
107=item $string 297=item $string
108 298
109A perl text string, with an emphasis on I<text>. It can store all unicode 299A perl text string, with an emphasis on I<text>. It can store all unicode
110characters and is to be distinguished with text encoded in a specific 300characters and is to be distinguished with text encoded in a specific
115Either binary data or - more common - a text string encoded in a 305Either binary data or - more common - a text string encoded in a
116locale-specific way. 306locale-specific way.
117 307
118=back 308=back
119 309
310=head2 Extension Objects
311
312Very perl extension is a perl class. A separate perl object is created
313for each terminal and each extension and passed as the first parameter to
314hooks. So extensions can use their C<$self> object without having to think
315about other extensions, with the exception of methods and members that
316begin with an underscore character C<_>: these are reserved for internal
317use.
318
319Although it isn't a C<urxvt::term> object, you can call all methods of the
320C<urxvt::term> class on this object.
321
322It has the following methods and data members:
323
324=over 4
325
326=item $urxvt_term = $self->{term}
327
328Returns the C<urxvt::term> object associated with this instance of the
329extension. This member I<must not> be changed in any way.
330
331=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
332
333Dynamically enable the given hooks (named without the C<on_> prefix) for
334this extension, replacing any previous hook. This is useful when you want
335to overwrite time-critical hooks only temporarily.
336
337=item $self->disable ($hook_name[, $hook_name..])
338
339Dynamically disable the given hooks.
340
341=back
342
120=head2 Hooks 343=head2 Hooks
121 344
122The following subroutines can be declared in loaded scripts, and will be 345The following subroutines can be declared in extension files, and will be
123called whenever the relevant event happens. 346called whenever the relevant event happens.
124 347
125The first argument passed to them is an object private to each terminal 348The 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 349the 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.
130 350
131All of them must return a boolean value. If it is true, then the event 351B<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, 352hooks 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. 353relevant action might not be carried out by the C++ code.
134 354
135When in doubt, return a false value (preferably C<()>). 355I<< When in doubt, return a false value (preferably C<()>). >>
136 356
137=over 4 357=over 4
138 358
139=item on_init $term 359=item on_init $term
140 360
141Called after a new terminal object has been initialized, but before 361Called after a new terminal object has been initialized, but before
142windows are created or the command gets run. Most methods are unsafe to 362windows are created or the command gets run. Most methods are unsafe to
143call or deliver senseless data, as terminal size and other characteristics 363call or deliver senseless data, as terminal size and other characteristics
144have not yet been determined. You can safely query and change resources, 364have not yet been determined. You can safely query and change resources
145though. 365and options, though. For many purposes the C<on_start> hook is a better
366place.
367
368=item on_start $term
369
370Called at the very end of initialisation of a new terminal, just before
371trying to map (display) the toplevel and returning to the mainloop.
372
373=item on_destroy $term
374
375Called whenever something tries to destroy terminal, before doing anything
376yet. If this hook returns true, then destruction is skipped, but this is
377rarely a good idea.
146 378
147=item on_reset $term 379=item on_reset $term
148 380
149Called after the screen is "reset" for any reason, such as resizing or 381Called 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 382control sequences. Here is where you can react on changes to size-related
151variables. 383variables.
152 384
153=item on_start $term 385=item on_child_start $term, $pid
154 386
155Called at the very end of initialisation of a new terminal, just before 387Called just after the child process has been C<fork>ed.
156returning to the mainloop. 388
389=item on_child_exit $term, $status
390
391Called just after the child process has exited. C<$status> is the status
392from C<waitpid>.
157 393
158=item on_sel_make $term, $eventtime 394=item on_sel_make $term, $eventtime
159 395
160Called whenever a selection has been made by the user, but before the 396Called 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 397selection text is copied, so changes to the beginning, end or type of the
175=item on_sel_extend $term 411=item on_sel_extend $term
176 412
177Called whenever the user tries to extend the selection (e.g. with a double 413Called whenever the user tries to extend the selection (e.g. with a double
178click) and is either supposed to return false (normal operation), or 414click) and is either supposed to return false (normal operation), or
179should extend the selection itelf and return true to suppress the built-in 415should extend the selection itelf and return true to suppress the built-in
180processing. 416processing. This can happen multiple times, as long as the callback
417returns true, it will be called on every further click by the user and is
418supposed to enlarge the selection more and more, if possible.
181 419
182See the F<selection> example extension. 420See 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.
193 421
194=item on_view_change $term, $offset 422=item on_view_change $term, $offset
195 423
196Called whenever the view offset changes, i..e the user or program 424Called whenever the view offset changes, i..e the user or program
197scrolls. Offset C<0> means display the normal terminal, positive values 425scrolls. Offset C<0> means display the normal terminal, positive values
204than the scroll back buffer or the terminal. 432than the scroll back buffer or the terminal.
205 433
206It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 434It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
207$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total 435$nrow - 1) represent the lines to be scrolled out). C<$saved> is the total
208number of lines that will be in the scrollback buffer. 436number 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.
213 437
214=item on_osc_seq $term, $string 438=item on_osc_seq $term, $string
215 439
216Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = 440Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC =
217operating system command) is processed. Cursor position and other state 441operating system command) is processed. Cursor position and other state
230can filter/change and output the text yourself by returning a true value 454can filter/change and output the text yourself by returning a true value
231and calling C<< $term->scr_add_lines >> yourself. Please note that this 455and 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 456might be very slow, however, as your hook is called for B<all> text being
233output. 457output.
234 458
459=item on_tt_write $term, $octets
460
461Called whenever some data is written to the tty/pty and can be used to
462suppress or filter tty input.
463
235=item on_line_update $term, $row 464=item on_line_update $term, $row
236 465
237Called whenever a line was updated or changed. Can be used to filter 466Called whenever a line was updated or changed. Can be used to filter
238screen output (e.g. underline urls or other useless stuff). Only lines 467screen output (e.g. underline urls or other useless stuff). Only lines
239that are being shown will be filtered, and, due to performance reasons, 468that are being shown will be filtered, and, due to performance reasons,
261 490
262Called whenever the user presses a key combination that has a 491Called whenever the user presses a key combination that has a
263C<perl:string> action bound to it (see description of the B<keysym> 492C<perl:string> action bound to it (see description of the B<keysym>
264resource in the @@RXVT_NAME@@(1) manpage). 493resource in the @@RXVT_NAME@@(1) manpage).
265 494
495=item on_x_event $term, $event
496
497Called on every X event received on the vt window (and possibly other
498windows). Should only be used as a last resort. Most event structure
499members are not passed.
500
501=item on_focus_in $term
502
503Called whenever the window gets the keyboard focus, before rxvt-unicode
504does focus in processing.
505
506=item on_focus_out $term
507
508Called wheneever the window loses keyboard focus, before rxvt-unicode does
509focus out processing.
510
511=item on_configure_notify $term, $event
512
513=item on_property_notify $term, $event
514
515=item on_key_press $term, $event, $keysym, $octets
516
517=item on_key_release $term, $event, $keysym
518
519=item on_button_press $term, $event
520
521=item on_button_release $term, $event
522
523=item on_motion_notify $term, $event
524
525=item on_map_notify $term, $event
526
527=item on_unmap_notify $term, $event
528
529Called whenever the corresponding X event is received for the terminal If
530the hook returns true, then the even will be ignored by rxvt-unicode.
531
532The event is a hash with most values as named by Xlib (see the XEvent
533manpage), with the additional members C<row> and C<col>, which are the
534(real, not screen-based) row and column under the mouse cursor.
535
536C<on_key_press> additionally receives the string rxvt-unicode would
537output, if any, in locale-specific encoding.
538
539subwindow.
540
541=item on_client_message $term, $event
542
543=item on_wm_protocols $term, $event
544
545=item on_wm_delete_window $term, $event
546
547Called when various types of ClientMessage events are received (all with
548format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
549
266=back 550=back
267 551
552=cut
553
554package urxvt;
555
556use utf8;
557use strict;
558use Carp ();
559use Scalar::Util ();
560use List::Util ();
561
562our $VERSION = 1;
563our $TERM;
564our @TERM_INIT;
565our @TERM_EXT;
566our @HOOKNAME;
567our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
568our %OPTION;
569
570our $LIBDIR;
571our $RESNAME;
572our $RESCLASS;
573our $RXVTNAME;
574
575our $NOCHAR = chr 0xffff;
576
268=head2 Variables in the C<urxvt> Package 577=head2 Variables in the C<urxvt> Package
269 578
270=over 4 579=over 4
271 580
581=item $urxvt::LIBDIR
582
583The rxvt-unicode library directory, where, among other things, the perl
584modules and scripts are stored.
585
586=item $urxvt::RESCLASS, $urxvt::RESCLASS
587
588The resource class and name rxvt-unicode uses to look up X resources.
589
590=item $urxvt::RXVTNAME
591
592The basename of the installed binaries, usually C<urxvt>.
593
272=item $urxvt::TERM 594=item $urxvt::TERM
273 595
274The current terminal. Whenever a callback/Hook is bein executed, this 596The current terminal. This variable stores the current C<urxvt::term>
275variable stores the current C<urxvt::term> object. 597object, whenever a callback/hook is executing.
598
599=item @urxvt::TERM_INIT
600
601All coderefs in this array will be called as methods of the next newly
602created C<urxvt::term> object (during the C<on_init> phase). The array
603gets cleared before the codereferences that were in it are being executed,
604so coderefs can push themselves onto it again if they so desire.
605
606This complements to the perl-eval commandline option, but gets executed
607first.
608
609=item @urxvt::TERM_EXT
610
611Works similar to C<@TERM_INIT>, but contains perl package/class names, which
612get registered as normal extensions after calling the hooks in C<@TERM_INIT>
613but before other extensions. Gets cleared just like C<@TERM_INIT>.
276 614
277=back 615=back
278 616
279=head2 Functions in the C<urxvt> Package 617=head2 Functions in the C<urxvt> Package
280 618
281=over 4 619=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.
290 620
291=item urxvt::fatal $errormessage 621=item urxvt::fatal $errormessage
292 622
293Fatally aborts execution with the given error message. Avoid at all 623Fatally aborts execution with the given error message. Avoid at all
294costs! The only time this is acceptable is when the terminal process 624costs! The only time this is acceptable is when the terminal process
301that calls this function. 631that calls this function.
302 632
303Using this function has the advantage that its output ends up in the 633Using this function has the advantage that its output ends up in the
304correct place, e.g. on stderr of the connecting urxvtc client. 634correct place, e.g. on stderr of the connecting urxvtc client.
305 635
636Messages have a size limit of 1023 bytes currently.
637
306=item $time = urxvt::NOW 638=item $time = urxvt::NOW
307 639
308Returns the "current time" (as per the event loop). 640Returns the "current time" (as per the event loop).
641
642=item urxvt::CurrentTime
643
644=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
645Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
646Button4Mask, Button5Mask, AnyModifier
647
648=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
649ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
650PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
651Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
652KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
653ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
654FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask
655
656=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
657EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
658GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
659UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
660ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
661CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
662SelectionNotify, ColormapNotify, ClientMessage, MappingNotify
663
664Various constants for use in X calls and event processing.
309 665
310=back 666=back
311 667
312=head2 RENDITION 668=head2 RENDITION
313 669
340 696
341=item $background = urxvt::GET_BASEBG $rend 697=item $background = urxvt::GET_BASEBG $rend
342 698
343Return the foreground/background colour index, respectively. 699Return the foreground/background colour index, respectively.
344 700
345=item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) 701=item $rend = urxvt::SET_FGCOLOR $rend, $new_colour
346 702
347=item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) 703=item $rend = urxvt::SET_BGCOLOR $rend, $new_colour
348 704
349Replace the foreground/background colour in the rendition mask with the 705Replace the foreground/background colour in the rendition mask with the
350specified one. 706specified one.
351 707
352=item $value = urxvt::GET_CUSTOM ($rend) 708=item $value = urxvt::GET_CUSTOM $rend
353 709
354Return the "custom" value: Every rendition has 5 bits for use by 710Return the "custom" value: Every rendition has 5 bits for use by
355extensions. They can be set and changed as you like and are initially 711extensions. They can be set and changed as you like and are initially
356zero. 712zero.
357 713
358=item $rend = urxvt::SET_CUSTOM ($rend, $new_value) 714=item $rend = urxvt::SET_CUSTOM $rend, $new_value
359 715
360Change the custom value. 716Change the custom value.
361 717
362=back 718=back
363 719
364=cut 720=cut
365 721
366package urxvt;
367
368use strict;
369use Scalar::Util ();
370
371our $TERM;
372our @HOOKNAME;
373our $LIBDIR;
374
375BEGIN { 722BEGIN {
376 urxvt->bootstrap;
377
378 # overwrite perl's warn 723 # overwrite perl's warn
379 *CORE::GLOBAL::warn = sub { 724 *CORE::GLOBAL::warn = sub {
380 my $msg = join "", @_; 725 my $msg = join "", @_;
381 $msg .= "\n" 726 $msg .= "\n"
382 unless $msg =~ /\n$/; 727 unless $msg =~ /\n$/;
383 urxvt::warn ($msg); 728 urxvt::warn ($msg);
384 }; 729 };
385} 730}
386 731
387my @hook_count; 732no warnings 'utf8';
733
388my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 734my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
389 735
390sub verbose { 736sub verbose {
391 my ($level, $msg) = @_; 737 my ($level, $msg) = @_;
392 warn "$msg\n" if $level <= $verbosity; 738 warn "$msg\n" if $level <= $verbosity;
393} 739}
394 740
395# find on_xxx subs in the package and register them 741my %extension_pkg;
396# as hooks
397sub register_package($) {
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 $script_pkg = "script0000";
413my %script_pkg;
414 742
415# load a single script into its own package, once only 743# load a single script into its own package, once only
416sub script_package($) { 744sub extension_package($) {
417 my ($path) = @_; 745 my ($path) = @_;
418 746
419 $script_pkg{$path} ||= do { 747 $extension_pkg{$path} ||= do {
420 my $pkg = "urxvt::" . ($script_pkg++); 748 $path =~ /([^\/\\]+)$/;
749 my $pkg = $1;
750 $pkg =~ s/[^[:word:]]/_/g;
751 $pkg = "urxvt::ext::$pkg";
421 752
422 verbose 3, "loading script '$path' into package '$pkg'"; 753 verbose 3, "loading extension '$path' into package '$pkg'";
423 754
424 open my $fh, "<:raw", $path 755 open my $fh, "<:raw", $path
425 or die "$path: $!"; 756 or die "$path: $!";
426 757
427 my $source = "package $pkg; use strict; use utf8;\n" 758 my $source =
759 "package $pkg; use strict; use utf8; no warnings 'utf8';\n"
428 . "#line 1 \"$path\"\n{\n" 760 . "#line 1 \"$path\"\n{\n"
429 . (do { local $/; <$fh> }) 761 . (do { local $/; <$fh> })
430 . "\n};\n1"; 762 . "\n};\n1";
431 763
764 eval $source
432 eval $source or die "$path: $@"; 765 or die "$path: $@";
433 766
434 $pkg 767 $pkg
435 } 768 }
436} 769}
437 770
442 local $TERM = shift; 775 local $TERM = shift;
443 my $htype = shift; 776 my $htype = shift;
444 777
445 if ($htype == 0) { # INIT 778 if ($htype == 0) { # INIT
446 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); 779 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
780
781 my %ext_arg;
447 782
783 {
784 my @init = @TERM_INIT;
785 @TERM_INIT = ();
786 $_->($TERM) for @init;
787 my @pkg = @TERM_EXT;
788 @TERM_EXT = ();
789 $TERM->register_package ($_) for @pkg;
790 }
791
448 for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { 792 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
793 if ($_ eq "default") {
794 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
795 } elsif (/^-(.*)$/) {
796 delete $ext_arg{$1};
797 } elsif (/^([^<]+)<(.*)>$/) {
798 push @{ $ext_arg{$1} }, $2;
799 } else {
800 $ext_arg{$_} ||= [];
801 }
802 }
803
804 while (my ($ext, $argv) = each %ext_arg) {
449 my @files = grep -f $_, map "$_/$ext", @dirs; 805 my @files = grep -f $_, map "$_/$ext", @dirs;
450 806
451 if (@files) { 807 if (@files) {
452 register_package script_package $files[0]; 808 $TERM->register_package (extension_package $files[0], $argv);
453 } else { 809 } else {
454 warn "perl extension '$ext' not found in perl library search path\n"; 810 warn "perl extension '$ext' not found in perl library search path\n";
455 } 811 }
456 } 812 }
813
814 eval "#line 1 \"--perl-eval resource/argument\"\n" . $TERM->resource ("perl_eval");
815 warn $@ if $@;
457 } 816 }
458 817
459 $retval = undef; 818 $retval = undef;
460 819
461 if (my $cb = $TERM->{_hook}[$htype]) { 820 if (my $cb = $TERM->{_hook}[$htype]) {
463 if $verbosity >= 10; 822 if $verbosity >= 10;
464 823
465 keys %$cb; 824 keys %$cb;
466 825
467 while (my ($pkg, $cb) = each %$cb) { 826 while (my ($pkg, $cb) = each %$cb) {
468 $retval = $cb->( 827 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) };
469 $TERM->{_pkg}{$pkg} ||= do { 828 $retval ||= $retval_;
470 my $proxy = bless { }, urxvt::term::proxy::;
471 Scalar::Util::weaken ($proxy->{term} = $TERM);
472 $proxy
473 },
474 @_,
475 ) and last;
476 }
477 }
478 829
479 if ($htype == 1) { # DESTROY 830 if ($@) {
480 # remove hooks if unused 831 $TERM->ungrab; # better to lose the grab than the session
481 if (my $hook = $TERM->{_hook}) { 832 warn $@;
482 for my $htype (0..$#$hook) {
483 $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} }
484 or set_should_invoke $htype, 0;
485 } 833 }
486 } 834 }
487 835
836 verbose 11, "$HOOKNAME[$htype] returning <$retval>"
837 if $verbosity >= 11;
838 }
839
840 if ($htype == 1) { # DESTROY
488 # clear package objects 841 # clear package objects
489 %$_ = () for values %{ $TERM->{_pkg} }; 842 %$_ = () for values %{ $TERM->{_pkg} };
490 843
491 # clear package 844 # clear package
492 %$TERM = (); 845 %$TERM = ();
493 } 846 }
494 847
495 $retval 848 $retval
496} 849}
497 850
498sub urxvt::term::proxy::AUTOLOAD { 851# urxvt::term::extension
499 $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ 852
853package urxvt::term::extension;
854
855sub enable {
856 my ($self, %hook) = @_;
857 my $pkg = $self->{_pkg};
858
859 while (my ($name, $cb) = each %hook) {
860 my $htype = $HOOKTYPE{uc $name};
861 defined $htype
862 or Carp::croak "unsupported hook type '$name'";
863
864 $self->set_should_invoke ($htype, +1)
865 unless exists $self->{term}{_hook}[$htype]{$pkg};
866
867 $self->{term}{_hook}[$htype]{$pkg} = $cb;
868 }
869}
870
871sub disable {
872 my ($self, @hook) = @_;
873 my $pkg = $self->{_pkg};
874
875 for my $name (@hook) {
876 my $htype = $HOOKTYPE{uc $name};
877 defined $htype
878 or Carp::croak "unsupported hook type '$name'";
879
880 $self->set_should_invoke ($htype, -1)
881 if delete $self->{term}{_hook}[$htype]{$pkg};
882 }
883}
884
885our $AUTOLOAD;
886
887sub AUTOLOAD {
888 $AUTOLOAD =~ /:([^:]+)$/
500 or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; 889 or die "FATAL: \$AUTOLOAD '$AUTOLOAD' unparsable";
501 890
502 eval qq{ 891 eval qq{
503 sub $urxvt::term::proxy::AUTOLOAD { 892 sub $AUTOLOAD {
504 my \$proxy = shift; 893 my \$proxy = shift;
505 \$proxy->{term}->$1 (\@_) 894 \$proxy->{term}->$1 (\@_)
506 } 895 }
507 1 896 1
508 } or die "FATAL: unable to compile method forwarder: $@"; 897 } or die "FATAL: unable to compile method forwarder: $@";
509 898
510 goto &$urxvt::term::proxy::AUTOLOAD; 899 goto &$AUTOLOAD;
511} 900}
901
902sub DESTROY {
903 # nop
904}
905
906# urxvt::destroy_hook
907
908sub urxvt::destroy_hook::DESTROY {
909 ${$_[0]}->();
910}
911
912sub urxvt::destroy_hook(&) {
913 bless \shift, urxvt::destroy_hook::
914}
915
916package urxvt::anyevent;
917
918=head2 The C<urxvt::anyevent> Class
919
920The sole purpose of this class is to deliver an interface to the
921C<AnyEvent> module - any module using it will work inside urxvt without
922further programming. The only exception is that you cannot wait on
923condition variables, but non-blocking condvar use is ok. What this means
924is that you cannot use blocking APIs, but the non-blocking variant should
925work.
926
927=cut
928
929our $VERSION = 1;
930
931$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
932push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
933
934sub timer {
935 my ($class, %arg) = @_;
936
937 my $cb = $arg{cb};
938
939 urxvt::timer
940 ->new
941 ->start (urxvt::NOW + $arg{after})
942 ->cb (sub {
943 $_[0]->stop; # need to cancel manually
944 $cb->();
945 })
946}
947
948sub io {
949 my ($class, %arg) = @_;
950
951 my $cb = $arg{cb};
952
953 bless [$arg{fh}, urxvt::iow
954 ->new
955 ->fd (fileno $arg{fh})
956 ->events (($arg{poll} =~ /r/ ? 1 : 0)
957 | ($arg{poll} =~ /w/ ? 2 : 0))
958 ->start
959 ->cb (sub {
960 $cb->(($_[1] & 1 ? 'r' : '')
961 . ($_[1] & 2 ? 'w' : ''));
962 })],
963 urxvt::anyevent::
964}
965
966sub DESTROY {
967 $_[0][1]->stop;
968}
969
970sub condvar {
971 bless \my $flag, urxvt::anyevent::condvar::
972}
973
974sub urxvt::anyevent::condvar::broadcast {
975 ${$_[0]}++;
976}
977
978sub urxvt::anyevent::condvar::wait {
979 unless (${$_[0]}) {
980 Carp::croak "AnyEvent->condvar blocking wait unsupported in urxvt, use a non-blocking API";
981 }
982}
983
984package urxvt::term;
512 985
513=head2 The C<urxvt::term> Class 986=head2 The C<urxvt::term> Class
514 987
515=over 4 988=over 4
516 989
990=cut
991
992# find on_xxx subs in the package and register them
993# as hooks
994sub register_package {
995 my ($self, $pkg, $argv) = @_;
996
997 no strict 'refs';
998
999 urxvt::verbose 6, "register package $pkg to $self";
1000
1001 @{"$pkg\::ISA"} = urxvt::term::extension::;
1002
1003 my $proxy = bless {
1004 _pkg => $pkg,
1005 argv => $argv,
1006 }, $pkg;
1007 Scalar::Util::weaken ($proxy->{term} = $self);
1008
1009 $self->{_pkg}{$pkg} = $proxy;
1010
1011 for my $name (@HOOKNAME) {
1012 if (my $ref = $pkg->can ("on_" . lc $name)) {
1013 $proxy->enable ($name => $ref);
1014 }
1015 }
1016}
1017
1018=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1019
1020Creates a new terminal, very similar as if you had started it with system
1021C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1022hash which defines the environment of the new terminal.
1023
1024Croaks (and probably outputs an error message) if the new instance
1025couldn't be created. Returns C<undef> if the new instance didn't
1026initialise perl, and the terminal object otherwise. The C<init> and
1027C<start> hooks will be called during this call.
1028
1029=cut
1030
1031sub new {
1032 my ($class, $env, @args) = @_;
1033
1034 _new ([ map "$_=$env->{$_}", keys %$env ], @args);
1035}
1036
517=item $term->destroy 1037=item $term->destroy
518 1038
519Destroy the terminal object (close the window, free resources etc.). 1039Destroy the terminal object (close the window, free resources
1040etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event
1041watchers (timers, io watchers) are still active.
1042
1043=item $term->exec_async ($cmd[, @args])
1044
1045Works like the combination of the C<fork>/C<exec> builtins, which executes
1046("starts") programs in the background. This function takes care of setting
1047the user environment before exec'ing the command (e.g. C<PATH>) and should
1048be preferred over explicit calls to C<exec> or C<system>.
1049
1050Returns the pid of the subprocess or C<undef> on error.
1051
1052=cut
1053
1054sub exec_async {
1055 my $self = shift;
1056
1057 my $pid = fork;
1058
1059 return $pid
1060 if !defined $pid or $pid;
1061
1062 %ENV = %{ $self->env };
1063
1064 exec @_;
1065 urxvt::_exit 255;
1066}
1067
1068=item $isset = $term->option ($optval[, $set])
1069
1070Returns true if the option specified by C<$optval> is enabled, and
1071optionally change it. All option values are stored by name in the hash
1072C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1073
1074Here is a a likely non-exhaustive list of option names, please see the
1075source file F</src/optinc.h> to see the actual list:
1076
1077 borderLess console cursorBlink cursorUnderline hold iconic insecure
1078 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
1079 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
1080 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
1081 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
1082 transparent tripleclickwords utmpInhibit visualBell
520 1083
521=item $value = $term->resource ($name[, $newval]) 1084=item $value = $term->resource ($name[, $newval])
522 1085
523Returns the current resource value associated with a given name and 1086Returns the current resource value associated with a given name and
524optionally sets a new value. Setting values is most useful in the C<init> 1087optionally sets a new value. Setting values is most useful in the C<init>
534 1097
535Please note that resource strings will currently only be freed when the 1098Please note that resource strings will currently only be freed when the
536terminal is destroyed, so changing options frequently will eat memory. 1099terminal is destroyed, so changing options frequently will eat memory.
537 1100
538Here is a a likely non-exhaustive list of resource names, not all of which 1101Here 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 1102are supported in every build, please see the source file F</src/rsinc.h>
540list: 1103to see the actual list:
541 1104
542 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1105 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
543 borderLess color cursorBlink cursorUnderline cutchars delete_key 1106 borderLess color cursorBlink cursorUnderline cutchars delete_key
544 display_name embed ext_bwidth fade font geometry hold iconName 1107 display_name embed ext_bwidth fade font geometry hold iconName
545 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1108 imFont imLocale inputMethod insecure int_bwidth intensityStyles
546 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1109 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
547 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1110 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
548 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1111 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
549 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1112 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
550 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1113 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
551 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1114 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
552 shade term_name title transparent transparent_all tripleclickwords 1115 secondaryScreen secondaryScroll selectstyle shade term_name title
553 utmpInhibit visualBell 1116 transient_for transparent transparent_all tripleclickwords utmpInhibit
1117 visualBell
554 1118
555=cut 1119=cut
556 1120
557sub urxvt::term::resource($$;$) { 1121sub resource($$;$) {
558 my ($self, $name) = (shift, shift); 1122 my ($self, $name) = (shift, shift);
559 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); 1123 unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
560 goto &urxvt::term::_resource; 1124 &urxvt::term::_resource
561} 1125}
1126
1127=item $value = $term->x_resource ($pattern)
1128
1129Returns the X-Resource for the given pattern, excluding the program or
1130class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1131same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1132resource with that pattern exists.
1133
1134This method should only be called during the C<on_start> hook, as there is
1135only one resource database per display, and later invocations might return
1136the wrong resources.
1137
1138=item $success = $term->parse_keysym ($keysym_spec, $command_string)
1139
1140Adds a keymap translation exactly as specified via a resource. See the
1141C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
562 1142
563=item $rend = $term->rstyle ([$new_rstyle]) 1143=item $rend = $term->rstyle ([$new_rstyle])
564 1144
565Return and optionally change the current rendition. Text that is output by 1145Return and optionally change the current rendition. Text that is output by
566the terminal application will use this style. 1146the terminal application will use this style.
577=item ($row, $col) = $term->selection_end ([$row, $col]) 1157=item ($row, $col) = $term->selection_end ([$row, $col])
578 1158
579Return the current values of the selection mark, begin or end positions, 1159Return the current values of the selection mark, begin or end positions,
580and optionally set them to new values. 1160and optionally set them to new values.
581 1161
1162=item $term->selection_make ($eventtime[, $rectangular])
1163
1164Tries to make a selection as set by C<selection_beg> and
1165C<selection_end>. If C<$rectangular> is true (default: false), a
1166rectangular selection will be made. This is the prefered function to make
1167a selection.
1168
582=item $success = $term->selection_grab ($eventtime) 1169=item $success = $term->selection_grab ($eventtime)
583 1170
584Try to request the primary selection from the server (for example, as set 1171Try to request the primary selection text from the server (for example, as
585by the next method). 1172set by the next method). No visual feedback will be given. This function
1173is mostly useful from within C<on_sel_grab> hooks.
586 1174
587=item $oldtext = $term->selection ([$newtext]) 1175=item $oldtext = $term->selection ([$newtext])
588 1176
589Return the current selection text and optionally replace it by C<$newtext>. 1177Return the current selection text and optionally replace it by C<$newtext>.
590 1178
591#=item $term->overlay ($x, $y, $text) 1179=item $term->overlay_simple ($x, $y, $text)
592# 1180
593#Create a simple multi-line overlay box. See the next method for details. 1181Create a simple multi-line overlay box. See the next method for details.
594# 1182
595#=cut 1183=cut
596# 1184
597#sub urxvt::term::scr_overlay { 1185sub overlay_simple {
598# my ($self, $x, $y, $text) = @_; 1186 my ($self, $x, $y, $text) = @_;
599# 1187
600# my @lines = split /\n/, $text; 1188 my @lines = split /\n/, $text;
601# 1189
602# my $w = 0; 1190 my $w = List::Util::max map $self->strwidth ($_), @lines;
603# for (map $self->strwidth ($_), @lines) { 1191
604# $w = $_ if $w < $_;
605# }
606#
607# $self->scr_overlay_new ($x, $y, $w, scalar @lines); 1192 my $overlay = $self->overlay ($x, $y, $w, scalar @lines);
608# $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; 1193 $overlay->set (0, $_, $lines[$_]) for 0.. $#lines;
609#} 1194
1195 $overlay
1196}
610 1197
611=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) 1198=item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]])
612 1199
613Create a new (empty) overlay at the given position with the given 1200Create a new (empty) overlay at the given position with the given
614width/height. C<$rstyle> defines the initial rendition style 1201width/height. C<$rstyle> defines the initial rendition style
641 1228
642If hidden, display the overlay again. 1229If hidden, display the overlay again.
643 1230
644=back 1231=back
645 1232
1233=item $popup = $term->popup ($event)
1234
1235Creates a new C<urxvt::popup> object that implements a popup menu. The
1236C<$event> I<must> be the event causing the menu to pop up (a button event,
1237currently).
1238
1239=cut
1240
1241sub popup {
1242 my ($self, $event) = @_;
1243
1244 $self->grab ($event->{time}, 1)
1245 or return;
1246
1247 my $popup = bless {
1248 term => $self,
1249 event => $event,
1250 }, urxvt::popup::;
1251
1252 Scalar::Util::weaken $popup->{term};
1253
1254 $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
1255 Scalar::Util::weaken $self->{_destroy}{$popup};
1256
1257 $popup
1258}
1259
646=item $cellwidth = $term->strwidth $string 1260=item $cellwidth = $term->strwidth ($string)
647 1261
648Returns the number of screen-cells this string would need. Correctly 1262Returns the number of screen-cells this string would need. Correctly
649accounts for wide and combining characters. 1263accounts for wide and combining characters.
650 1264
651=item $octets = $term->locale_encode $string 1265=item $octets = $term->locale_encode ($string)
652 1266
653Convert the given text string into the corresponding locale encoding. 1267Convert the given text string into the corresponding locale encoding.
654 1268
655=item $string = $term->locale_decode $octets 1269=item $string = $term->locale_decode ($octets)
656 1270
657Convert the given locale-encoded octets into a perl string. 1271Convert the given locale-encoded octets into a perl string.
1272
1273=item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])
1274
1275XORs the rendition values in the given span with the provided value
1276(default: C<RS_RVid>), which I<MUST NOT> contain font styles. Useful in
1277refresh hooks to provide effects similar to the selection.
1278
1279=item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])
1280
1281Similar to C<scr_xor_span>, but xors a rectangle instead. Trailing
1282whitespace will additionally be xored with the C<$rstyle2>, which defaults
1283to C<RS_RVid | RS_Uline>, which removes reverse video again and underlines
1284it instead. Both styles I<MUST NOT> contain font styles.
1285
1286=item $term->scr_bell
1287
1288Ring the bell!
658 1289
659=item $term->scr_add_lines ($string) 1290=item $term->scr_add_lines ($string)
660 1291
661Write the given text string to the screen, as if output by the application 1292Write the given text string to the screen, as if output by the application
662running inside the terminal. It may not contain command sequences (escape 1293running inside the terminal. It may not contain command sequences (escape
665 1296
666Normally its not a good idea to use this function, as programs might be 1297Normally 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 1298confused by changes in cursor position or scrolling. Its useful inside a
668C<on_add_lines> hook, though. 1299C<on_add_lines> hook, though.
669 1300
1301=item $term->scr_change_screen ($screen)
1302
1303Switch to given screen - 0 primary, 1 secondary.
1304
670=item $term->cmd_parse ($octets) 1305=item $term->cmd_parse ($octets)
671 1306
672Similar to C<scr_add_lines>, but the argument must be in the 1307Similar to C<scr_add_lines>, but the argument must be in the
673locale-specific encoding of the terminal and can contain command sequences 1308locale-specific encoding of the terminal and can contain command sequences
674(escape codes) that will be interpreted. 1309(escape codes) that will be interpreted.
677 1312
678Write the octets given in C<$data> to the tty (i.e. as program input). To 1313Write the octets given in C<$data> to the tty (i.e. as program input). To
679pass characters instead of octets, you should convert your strings first 1314pass characters instead of octets, you should convert your strings first
680to the locale-specific encoding using C<< $term->locale_encode >>. 1315to the locale-specific encoding using C<< $term->locale_encode >>.
681 1316
1317=item $old_events = $term->pty_ev_events ([$new_events])
1318
1319Replaces the event mask of the pty watcher by the given event mask. Can
1320be used to suppress input and output handling to the pty/tty. See the
1321description of C<< urxvt::timer->events >>. Make sure to always restore
1322the previous value.
1323
1324=item $fd = $term->pty_fd
1325
1326Returns the master file descriptor for the pty in use, or C<-1> if no pty
1327is used.
1328
1329=item $windowid = $term->parent
1330
1331Return the window id of the toplevel window.
1332
1333=item $windowid = $term->vt
1334
1335Return the window id of the terminal window.
1336
1337=item $term->vt_emask_add ($x_event_mask)
1338
1339Adds the specified events to the vt event mask. Useful e.g. when you want
1340to receive pointer events all the times:
1341
1342 $term->vt_emask_add (urxvt::PointerMotionMask);
1343
682=item $window_width = $term->width 1344=item $window_width = $term->width
683 1345
684=item $window_height = $term->height 1346=item $window_height = $term->height
685 1347
686=item $font_width = $term->fwidth 1348=item $font_width = $term->fwidth
699 1361
700=item $max_scrollback = $term->saveLines 1362=item $max_scrollback = $term->saveLines
701 1363
702=item $nrow_plus_saveLines = $term->total_rows 1364=item $nrow_plus_saveLines = $term->total_rows
703 1365
704=item $lines_in_scrollback = $term->nsaved 1366=item $topmost_scrollback_row = $term->top_row
705 1367
706Return various integers describing terminal characteristics. 1368Return various integers describing terminal characteristics.
707 1369
1370=item $x_display = $term->display_id
1371
1372Return the DISPLAY used by rxvt-unicode.
1373
1374=item $lc_ctype = $term->locale
1375
1376Returns the LC_CTYPE category string used by this rxvt-unicode.
1377
1378=item $env = $term->env
1379
1380Returns a copy of the environment in effect for the terminal as a hashref
1381similar to C<\%ENV>.
1382
1383=cut
1384
1385sub env {
1386 if (my $env = $_[0]->_env) {
1387 +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env }
1388 } else {
1389 +{ %ENV }
1390 }
1391}
1392
1393=item $modifiermask = $term->ModLevel3Mask
1394
1395=item $modifiermask = $term->ModMetaMask
1396
1397=item $modifiermask = $term->ModNumLockMask
1398
1399Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
1400AltGr), the meta key (often Alt) and the num lock key, if applicable.
1401
1402=item $screen = $term->current_screen
1403
1404Returns the currently displayed screen (0 primary, 1 secondary).
1405
1406=item $cursor_is_hidden = $term->hidden_cursor
1407
1408Returns wether the cursor is currently hidden or not.
1409
708=item $view_start = $term->view_start ([$newvalue]) 1410=item $view_start = $term->view_start ([$newvalue])
709 1411
710Returns the negative row number of the topmost line. Minimum value is 1412Returns the row number of the topmost displayed line. Maximum value is
711C<0>, which displays the normal terminal contents. Larger values scroll 1413C<0>, which displays the normal terminal contents. Lower values scroll
712this many lines into the scrollback buffer. 1414this many lines into the scrollback buffer.
713 1415
714=item $term->want_refresh 1416=item $term->want_refresh
715 1417
716Requests a screen refresh. At the next opportunity, rxvt-unicode will 1418Requests a screen refresh. At the next opportunity, rxvt-unicode will
731line, starting at column C<$start_col> (default C<0>), which is useful 1433line, starting at column C<$start_col> (default C<0>), which is useful
732to replace only parts of a line. The font index in the rendition will 1434to replace only parts of a line. The font index in the rendition will
733automatically be updated. 1435automatically be updated.
734 1436
735C<$text> is in a special encoding: tabs and wide characters that use more 1437C<$text> is in a special encoding: tabs and wide characters that use more
736than one cell when displayed are padded with urxvt::NOCHAR characters 1438than one cell when displayed are padded with C<$urxvt::NOCHAR> (chr 65535)
737(C<chr 65535>). Characters with combining characters and other characters 1439characters. Characters with combining characters and other characters that
738that do not fit into the normal tetx encoding will be replaced with 1440do not fit into the normal tetx encoding will be replaced with characters
739characters in the private use area. 1441in the private use area.
740 1442
741You have to obey this encoding when changing text. The advantage is 1443You have to obey this encoding when changing text. The advantage is
742that C<substr> and similar functions work on screen cells and not on 1444that C<substr> and similar functions work on screen cells and not on
743characters. 1445characters.
744 1446
795Return the row number of the first/last row of the line, respectively. 1497Return the row number of the first/last row of the line, respectively.
796 1498
797=item $offset = $line->offset_of ($row, $col) 1499=item $offset = $line->offset_of ($row, $col)
798 1500
799Returns the character offset of the given row|col pair within the logical 1501Returns the character offset of the given row|col pair within the logical
800line. 1502line. Works for rows outside the line, too, and returns corresponding
1503offsets outside the string.
801 1504
802=item ($row, $col) = $line->coord_of ($offset) 1505=item ($row, $col) = $line->coord_of ($offset)
803 1506
804Translates a string offset into terminal coordinates again. 1507Translates a string offset into terminal coordinates again.
805 1508
806=back 1509=back
807 1510
808=cut 1511=cut
809 1512
810sub urxvt::term::line { 1513sub line {
811 my ($self, $row) = @_; 1514 my ($self, $row) = @_;
812 1515
813 my $maxrow = $self->nrow - 1; 1516 my $maxrow = $self->nrow - 1;
814 1517
815 my ($beg, $end) = ($row, $row); 1518 my ($beg, $end) = ($row, $row);
879 $offset / $self->{ncol} + $self->{beg}, 1582 $offset / $self->{ncol} + $self->{beg},
880 $offset % $self->{ncol} 1583 $offset % $self->{ncol}
881 ) 1584 )
882} 1585}
883 1586
884=item ($row, $col) = $line->coord_of ($offset)
885=item $text = $term->special_encode $string 1587=item $text = $term->special_encode $string
886 1588
887Converts a perl string into the special encoding used by rxvt-unicode, 1589Converts a perl string into the special encoding used by rxvt-unicode,
888where one character corresponds to one screen cell. See 1590where one character corresponds to one screen cell. See
889C<< $term->ROW_t >> for details. 1591C<< $term->ROW_t >> for details.
891=item $string = $term->special_decode $text 1593=item $string = $term->special_decode $text
892 1594
893Converts rxvt-unicodes text reprsentation into a perl string. See 1595Converts rxvt-unicodes text reprsentation into a perl string. See
894C<< $term->ROW_t >> for details. 1596C<< $term->ROW_t >> for details.
895 1597
1598=item $success = $term->grab_button ($button, $modifiermask)
1599
1600Registers a synchronous button grab. See the XGrabButton manpage.
1601
1602=item $success = $term->grab ($eventtime[, $sync])
1603
1604Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1605synchronous (C<$sync> is true). Also remembers the grab timestampe.
1606
1607=item $term->allow_events_async
1608
1609Calls XAllowEvents with AsyncBoth for the most recent grab.
1610
1611=item $term->allow_events_sync
1612
1613Calls XAllowEvents with SyncBoth for the most recent grab.
1614
1615=item $term->allow_events_replay
1616
1617Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1618recent grab.
1619
1620=item $term->ungrab
1621
1622Calls XUngrab for the most recent grab. Is called automatically on
1623evaluation errors, as it is better to lose the grab in the error case as
1624the session.
1625
1626=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1627
1628=item $atom_name = $term->XGetAtomName ($atom)
1629
1630=item @atoms = $term->XListProperties ($window)
1631
1632=item ($type,$format,$octets) = $term->XGetWindowProperty ($window, $property)
1633
1634=item $term->XChangeWindowProperty ($window, $property, $type, $format, $octets)
1635
1636=item $term->XDeleteProperty ($window, $property)
1637
1638=item $window = $term->DefaultRootWindow
1639
1640=item $term->XReparentWindow ($window, $parent, [$x, $y])
1641
1642=item $term->XMapWindow ($window)
1643
1644=item $term->XUnmapWindow ($window)
1645
1646=item $term->XMoveResizeWindow ($window, $x, $y, $width, $height)
1647
1648=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1649
1650=item $term->XChangeInput ($window, $add_events[, $del_events])
1651
1652Various X or X-related functions. The C<$term> object only serves as
1653the source of the display, otherwise those functions map more-or-less
1654directory onto the X functions of the same name.
1655
896=back 1656=back
1657
1658=cut
1659
1660package urxvt::popup;
1661
1662=head2 The C<urxvt::popup> Class
1663
1664=over 4
1665
1666=cut
1667
1668sub add_item {
1669 my ($self, $item) = @_;
1670
1671 $item->{rend}{normal} = "\x1b[0;30;47m" unless exists $item->{rend}{normal};
1672 $item->{rend}{hover} = "\x1b[0;30;46m" unless exists $item->{rend}{hover};
1673 $item->{rend}{active} = "\x1b[m" unless exists $item->{rend}{active};
1674
1675 $item->{render} ||= sub { $_[0]{text} };
1676
1677 push @{ $self->{item} }, $item;
1678}
1679
1680=item $popup->add_title ($title)
1681
1682Adds a non-clickable title to the popup.
1683
1684=cut
1685
1686sub add_title {
1687 my ($self, $title) = @_;
1688
1689 $self->add_item ({
1690 rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" },
1691 text => $title,
1692 activate => sub { },
1693 });
1694}
1695
1696=item $popup->add_separator ([$sepchr])
1697
1698Creates a separator, optionally using the character given as C<$sepchr>.
1699
1700=cut
1701
1702sub add_separator {
1703 my ($self, $sep) = @_;
1704
1705 $sep ||= "=";
1706
1707 $self->add_item ({
1708 rend => { normal => "\x1b[0;30;47m", hover => "\x1b[0;30;47m", active => "\x1b[0;30;47m" },
1709 text => "",
1710 render => sub { $sep x $self->{term}->ncol },
1711 activate => sub { },
1712 });
1713}
1714
1715=item $popup->add_button ($text, $cb)
1716
1717Adds a clickable button to the popup. C<$cb> is called whenever it is
1718selected.
1719
1720=cut
1721
1722sub add_button {
1723 my ($self, $text, $cb) = @_;
1724
1725 $self->add_item ({ type => "button", text => $text, activate => $cb});
1726}
1727
1728=item $popup->add_toggle ($text, $cb, $initial_value)
1729
1730Adds a toggle/checkbox item to the popup. Teh callback gets called
1731whenever it gets toggled, with a boolean indicating its value as its first
1732argument.
1733
1734=cut
1735
1736sub add_toggle {
1737 my ($self, $text, $cb, $value) = @_;
1738
1739 my $item; $item = {
1740 type => "button",
1741 text => " $text",
1742 value => $value,
1743 render => sub { ($_[0]{value} ? "* " : " ") . $text },
1744 activate => sub { $cb->($_[1]{value} = !$_[1]{value}); },
1745 };
1746
1747 $self->add_item ($item);
1748}
1749
1750=item $popup->show
1751
1752Displays the popup (which is initially hidden).
1753
1754=cut
1755
1756sub show {
1757 my ($self) = @_;
1758
1759 local $urxvt::popup::self = $self;
1760
1761 my $env = $self->{term}->env;
1762 # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE.
1763 delete $env->{LC_ALL};
1764 $env->{LC_CTYPE} = $self->{term}->locale;
1765
1766 urxvt::term->new ($env, "popup",
1767 "--perl-lib" => "", "--perl-ext-common" => "",
1768 "-pty-fd" => -1, "-sl" => 0,
1769 "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect",
1770 "--transient-for" => $self->{term}->parent,
1771 "-display" => $self->{term}->display_id,
1772 "-pe" => "urxvt-popup")
1773 or die "unable to create popup window\n";
1774}
1775
1776sub DESTROY {
1777 my ($self) = @_;
1778
1779 delete $self->{term}{_destroy}{$self};
1780 $self->{term}->ungrab;
1781}
1782
1783=back
1784
1785=cut
1786
1787package urxvt::watcher;
1788
1789@urxvt::timer::ISA = __PACKAGE__;
1790@urxvt::iow::ISA = __PACKAGE__;
1791@urxvt::pw::ISA = __PACKAGE__;
1792@urxvt::iw::ISA = __PACKAGE__;
897 1793
898=head2 The C<urxvt::timer> Class 1794=head2 The C<urxvt::timer> Class
899 1795
900This class implements timer watchers/events. Time is represented as a 1796This class implements timer watchers/events. Time is represented as a
901fractional number of seconds since the epoch. Example: 1797fractional number of seconds since the epoch. Example:
940 1836
941=item $timer = $timer->start ($tstamp) 1837=item $timer = $timer->start ($tstamp)
942 1838
943Set the event trigger time to C<$tstamp> and start the timer. 1839Set the event trigger time to C<$tstamp> and start the timer.
944 1840
1841=item $timer = $timer->after ($delay)
1842
1843Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
1844
945=item $timer = $timer->stop 1845=item $timer = $timer->stop
946 1846
947Stop the timer. 1847Stop the timer.
948 1848
949=back 1849=back
954 1854
955 $term->{socket} = ... 1855 $term->{socket} = ...
956 $term->{iow} = urxvt::iow 1856 $term->{iow} = urxvt::iow
957 ->new 1857 ->new
958 ->fd (fileno $term->{socket}) 1858 ->fd (fileno $term->{socket})
959 ->events (1) # wait for read data 1859 ->events (urxvt::EVENT_READ)
960 ->start 1860 ->start
961 ->cb (sub { 1861 ->cb (sub {
962 my ($iow, $revents) = @_; 1862 my ($iow, $revents) = @_;
963 # $revents must be 1 here, no need to check 1863 # $revents must be 1 here, no need to check
964 sysread $term->{socket}, my $buf, 8192 1864 sysread $term->{socket}, my $buf, 8192
981 1881
982Set the filedescriptor (not handle) to watch. 1882Set the filedescriptor (not handle) to watch.
983 1883
984=item $iow = $iow->events ($eventmask) 1884=item $iow = $iow->events ($eventmask)
985 1885
986Set the event mask to watch. Bit #0 (value C<1>) enables watching for read 1886Set the event mask to watch. The only allowed values are
987data, Bit #1 (value C<2>) enables watching for write data. 1887C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
1888together, or C<urxvt::EVENT_NONE>.
988 1889
989=item $iow = $iow->start 1890=item $iow = $iow->start
990 1891
991Start watching for requested events on the given handle. 1892Start watching for requested events on the given handle.
992 1893
993=item $iow = $iow->stop 1894=item $iow = $iow->stop
994 1895
995Stop watching for events on the given filehandle. 1896Stop watching for events on the given filehandle.
1897
1898=back
1899
1900=head2 The C<urxvt::iw> Class
1901
1902This class implements idle watchers, that get called automatically when
1903the process is idle. They should return as fast as possible, after doing
1904some useful work.
1905
1906=over 4
1907
1908=item $iw = new urxvt::iw
1909
1910Create a new idle watcher object in stopped state.
1911
1912=item $iw = $iw->cb (sub { my ($iw) = @_; ... })
1913
1914Set the callback to be called when the watcher triggers.
1915
1916=item $timer = $timer->start
1917
1918Start the watcher.
1919
1920=item $timer = $timer->stop
1921
1922Stop the watcher.
1923
1924=back
1925
1926=head2 The C<urxvt::pw> Class
1927
1928This class implements process watchers. They create an event whenever a
1929process exits, after which they stop automatically.
1930
1931 my $pid = fork;
1932 ...
1933 $term->{pw} = urxvt::pw
1934 ->new
1935 ->start ($pid)
1936 ->cb (sub {
1937 my ($pw, $exit_status) = @_;
1938 ...
1939 });
1940
1941=over 4
1942
1943=item $pw = new urxvt::pw
1944
1945Create a new process watcher in stopped state.
1946
1947=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... })
1948
1949Set the callback to be called when the timer triggers.
1950
1951=item $pw = $timer->start ($pid)
1952
1953Tells the wqtcher to start watching for process C<$pid>.
1954
1955=item $pw = $pw->stop
1956
1957Stop the watcher.
996 1958
997=back 1959=back
998 1960
999=head1 ENVIRONMENT 1961=head1 ENVIRONMENT
1000 1962
1003This variable controls the verbosity level of the perl extension. Higher 1965This variable controls the verbosity level of the perl extension. Higher
1004numbers indicate more verbose output. 1966numbers indicate more verbose output.
1005 1967
1006=over 4 1968=over 4
1007 1969
1008=item =0 - only fatal messages 1970=item == 0 - fatal messages
1009 1971
1010=item =3 - script loading and management 1972=item >= 3 - script loading and management
1011 1973
1012=item =10 - all events received 1974=item >=10 - all called hooks
1975
1976=item >=11 - hook reutrn values
1013 1977
1014=back 1978=back
1015 1979
1016=head1 AUTHOR 1980=head1 AUTHOR
1017 1981

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