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Revision 1.143 by root, Thu Jul 6 23:48:11 2006 UTC vs.
Revision 1.146 by root, Thu Aug 17 21:56:11 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, extension scripts specified via 22Every time a terminal object gets created, extension scripts specified via
23the C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
62 URxvt.selection.pattern-1: perl-regex 62 URxvt.selection.pattern-1: perl-regex
63 ... 63 ...
64 64
65The index number (0, 1...) must not have any holes, and each regex must 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 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 67the match. For example, the following adds a regex that matches everything
68between two vertical bars: 68between two vertical bars:
69 69
70 URxvt.selection.pattern-0: \\|([^|]+)\\| 70 URxvt.selection.pattern-0: \\|([^|]+)\\|
71 71
72Another example: Programs I use often output "absolute path: " at the 72Another example: Programs I use often output "absolute path: " at the
122Other extensions can extend this popup menu by pushing a code reference 122Other extensions can extend this popup menu by pushing a code reference
123onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the 123onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
124popup is being displayed. 124popup is being displayed.
125 125
126It's sole argument is the popup menu, which can be modified. The selection 126It's sole argument is the popup menu, which can be modified. The selection
127is in C<$_>, which can be used to decide wether to add something or not. 127is in C<$_>, which can be used to decide whether to add something or not.
128It should either return nothing or a string and a code reference. The 128It should either return nothing or a string and a code reference. The
129string will be used as button text and the code reference will be called 129string will be used as button text and the code reference will be called
130when the button gets activated and should transform C<$_>. 130when the button gets activated and should transform C<$_>.
131 131
132The following will add an entry C<a to b> that transforms all C<a>s in 132The following will add an entry C<a to b> that transforms all C<a>s in
220the message into vi commands to load the file. 220the message into vi commands to load the file.
221 221
222=item tabbed 222=item tabbed
223 223
224This transforms the terminal into a tabbar with additional terminals, that 224This transforms the terminal into a tabbar with additional terminals, that
225is, it implements what is commonly refered to as "tabbed terminal". The topmost line 225is, it implements what is commonly referred to as "tabbed terminal". The topmost line
226displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one 226displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
227button per tab. 227button per tab.
228 228
229Clicking a button will activate that tab. Pressing B<Shift-Left> and 229Clicking a button will activate that tab. Pressing B<Shift-Left> and
230B<Shift-Right> will switch to the tab left or right of the current one, 230B<Shift-Right> will switch to the tab left or right of the current one,
272Initially, the window will not be shown when using this extension. 272Initially, the window will not be shown when using this extension.
273 273
274This is useful if you need a single terminal thats not using any desktop 274This is useful if you need a single terminal thats not using any desktop
275space most of the time but is quickly available at the press of a key. 275space most of the time but is quickly available at the press of a key.
276 276
277The accelerator key is grabbed regardless of any modifers, so this 277The accelerator key is grabbed regardless of any modifiers, so this
278extension will actually grab a physical key just for this function. 278extension will actually grab a physical key just for this function.
279 279
280If you want a quake-like animation, tell your window manager to do so 280If you want a quake-like animation, tell your window manager to do so
281(fvwm can do it). 281(fvwm can do it).
282 282
283=item automove-background 283=item automove-background
284 284
285This is basically a very small extension that dynamically changes the 285This is basically a very small extension that dynamically changes the
286background pixmap offset to the window position, in effect creating the 286background pixmap offset to the window position, in effect creating the
287same effect as pseudo transparency with a custom pixmap. No scaling is 287same effect as pseudo transparency with a custom pixmap. No scaling is
288supported in this mode. Exmaple: 288supported in this mode. Example:
289 289
290 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background 290 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
291 291
292=item block-graphics-to-ascii 292=item block-graphics-to-ascii
293 293
345After a successful upload the selection will be replaced by the text given 345After a successful upload the selection will be replaced by the text given
346in the C<selection-pastebin-url> resource (again, the % is the placeholder 346in the C<selection-pastebin-url> resource (again, the % is the placeholder
347for the filename): 347for the filename):
348 348
349 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/% 349 URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
350
351I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
352the double C</> characters as comment start. Use C<\057\057> instead,
353which works regardless of wether xrdb is used to parse the resource file
354or not.
350 355
351=item example-refresh-hooks 356=item example-refresh-hooks
352 357
353Displays a very simple digital clock in the upper right corner of the 358Displays a very simple digital clock in the upper right corner of the
354window. Illustrates overwriting the refresh callbacks to create your own 359window. Illustrates overwriting the refresh callbacks to create your own
395=back 400=back
396 401
397=head2 Extension Objects 402=head2 Extension Objects
398 403
399Every perl extension is a perl class. A separate perl object is created 404Every perl extension is a perl class. A separate perl object is created
400for each terminal and each extension and passed as the first parameter to 405for each terminal, and each terminal has its own set of extenion objects,
401hooks. So extensions can use their C<$self> object without having to think 406which are passed as the first parameter to hooks. So extensions can use
402about other extensions, with the exception of methods and members that 407their C<$self> object without having to think about clashes with other
408extensions or other terminals, with the exception of methods and members
403begin with an underscore character C<_>: these are reserved for internal 409that begin with an underscore character C<_>: these are reserved for
404use. 410internal use.
405 411
406Although it isn't a C<urxvt::term> object, you can call all methods of the 412Although it isn't a C<urxvt::term> object, you can call all methods of the
407C<urxvt::term> class on this object. 413C<urxvt::term> class on this object.
408 414
409It has the following methods and data members: 415It has the following methods and data members:
430=head2 Hooks 436=head2 Hooks
431 437
432The following subroutines can be declared in extension files, and will be 438The following subroutines can be declared in extension files, and will be
433called whenever the relevant event happens. 439called whenever the relevant event happens.
434 440
435The first argument passed to them is an extension oject as described in 441The first argument passed to them is an extension object as described in
436the in the C<Extension Objects> section. 442the in the C<Extension Objects> section.
437 443
438B<All> of these hooks must return a boolean value. If any of the called 444B<All> of these hooks must return a boolean value. If any of the called
439hooks returns true, then the event counts as being I<consumed>, and the 445hooks returns true, then the event counts as being I<consumed>, and the
440relevant action might not be carried out by the C++ code. 446relevant action might not be carried out by the C++ code.
453place. 459place.
454 460
455=item on_start $term 461=item on_start $term
456 462
457Called at the very end of initialisation of a new terminal, just before 463Called at the very end of initialisation of a new terminal, just before
458trying to map (display) the toplevel and returning to the mainloop. 464trying to map (display) the toplevel and returning to the main loop.
459 465
460=item on_destroy $term 466=item on_destroy $term
461 467
462Called whenever something tries to destroy terminal, when the terminal is 468Called whenever something tries to destroy terminal, when the terminal is
463still fully functional (not for long, though). 469still fully functional (not for long, though).
490 496
491Called whenever a selection has been copied, but before the selection is 497Called whenever a selection has been copied, but before the selection is
492requested from the server. The selection text can be queried and changed 498requested from the server. The selection text can be queried and changed
493by calling C<< $term->selection >>. 499by calling C<< $term->selection >>.
494 500
495Returning a true value aborts selection grabbing. It will still be hilighted. 501Returning a true value aborts selection grabbing. It will still be highlighted.
496 502
497=item on_sel_extend $term 503=item on_sel_extend $term
498 504
499Called whenever the user tries to extend the selection (e.g. with a double 505Called whenever the user tries to extend the selection (e.g. with a double
500click) and is either supposed to return false (normal operation), or 506click) and is either supposed to return false (normal operation), or
501should extend the selection itelf and return true to suppress the built-in 507should extend the selection itself and return true to suppress the built-in
502processing. This can happen multiple times, as long as the callback 508processing. This can happen multiple times, as long as the callback
503returns true, it will be called on every further click by the user and is 509returns true, it will be called on every further click by the user and is
504supposed to enlarge the selection more and more, if possible. 510supposed to enlarge the selection more and more, if possible.
505 511
506See the F<selection> example extension. 512See the F<selection> example extension.
507 513
508=item on_view_change $term, $offset 514=item on_view_change $term, $offset
509 515
510Called whenever the view offset changes, i..e the user or program 516Called whenever the view offset changes, i.e. the user or program
511scrolls. Offset C<0> means display the normal terminal, positive values 517scrolls. Offset C<0> means display the normal terminal, positive values
512show this many lines of scrollback. 518show this many lines of scrollback.
513 519
514=item on_scroll_back $term, $lines, $saved 520=item on_scroll_back $term, $lines, $saved
515 521
539string should start with the extension name and a colon, to distinguish 545string should start with the extension name and a colon, to distinguish
540it from commands for other extensions, and this might be enforced in the 546it from commands for other extensions, and this might be enforced in the
541future. 547future.
542 548
543Be careful not ever to trust (in a security sense) the data you receive, 549Be careful not ever to trust (in a security sense) the data you receive,
544as its source can not easily be controleld (e-mail content, messages from 550as its source can not easily be controlled (e-mail content, messages from
545other users on the same system etc.). 551other users on the same system etc.).
546 552
547=item on_add_lines $term, $string 553=item on_add_lines $term, $string
548 554
549Called whenever text is about to be output, with the text as argument. You 555Called whenever text is about to be output, with the text as argument. You
582 588
583Called just after the screen gets redrawn. See C<on_refresh_begin>. 589Called just after the screen gets redrawn. See C<on_refresh_begin>.
584 590
585=item on_user_command $term, $string 591=item on_user_command $term, $string
586 592
587Called whenever the a user-configured event is being activated (e.g. via 593Called whenever a user-configured event is being activated (e.g. via
588a C<perl:string> action bound to a key, see description of the B<keysym> 594a C<perl:string> action bound to a key, see description of the B<keysym>
589resource in the @@RXVT_NAME@@(1) manpage). 595resource in the @@RXVT_NAME@@(1) manpage).
590 596
591The event is simply the action string. This interface is assumed to change 597The event is simply the action string. This interface is assumed to change
592slightly in the future. 598slightly in the future.
593 599
594=item on_resize_all_windows $tern, $new_width, $new_height 600=item on_resize_all_windows $tern, $new_width, $new_height
595 601
596Called just after the new window size has been calculcated, but before 602Called just after the new window size has been calculated, but before
597windows are actually being resized or hints are being set. If this hook 603windows are actually being resized or hints are being set. If this hook
598returns TRUE, setting of the window hints is being skipped. 604returns TRUE, setting of the window hints is being skipped.
599 605
600=item on_x_event $term, $event 606=item on_x_event $term, $event
601 607
612Called whenever the window gets the keyboard focus, before rxvt-unicode 618Called whenever the window gets the keyboard focus, before rxvt-unicode
613does focus in processing. 619does focus in processing.
614 620
615=item on_focus_out $term 621=item on_focus_out $term
616 622
617Called wheneever the window loses keyboard focus, before rxvt-unicode does 623Called whenever the window loses keyboard focus, before rxvt-unicode does
618focus out processing. 624focus out processing.
619 625
620=item on_configure_notify $term, $event 626=item on_configure_notify $term, $event
621 627
622=item on_property_notify $term, $event 628=item on_property_notify $term, $event
705The current terminal. This variable stores the current C<urxvt::term> 711The current terminal. This variable stores the current C<urxvt::term>
706object, whenever a callback/hook is executing. 712object, whenever a callback/hook is executing.
707 713
708=item @urxvt::TERM_INIT 714=item @urxvt::TERM_INIT
709 715
710All coderefs in this array will be called as methods of the next newly 716All code references in this array will be called as methods of the next newly
711created C<urxvt::term> object (during the C<on_init> phase). The array 717created C<urxvt::term> object (during the C<on_init> phase). The array
712gets cleared before the codereferences that were in it are being executed, 718gets cleared before the code references that were in it are being executed,
713so coderefs can push themselves onto it again if they so desire. 719so references can push themselves onto it again if they so desire.
714 720
715This complements to the perl-eval commandline option, but gets executed 721This complements to the perl-eval command line option, but gets executed
716first. 722first.
717 723
718=item @urxvt::TERM_EXT 724=item @urxvt::TERM_EXT
719 725
720Works similar to C<@TERM_INIT>, but contains perl package/class names, which 726Works similar to C<@TERM_INIT>, but contains perl package/class names, which
745Messages have a size limit of 1023 bytes currently. 751Messages have a size limit of 1023 bytes currently.
746 752
747=item @terms = urxvt::termlist 753=item @terms = urxvt::termlist
748 754
749Returns all urxvt::term objects that exist in this process, regardless of 755Returns all urxvt::term objects that exist in this process, regardless of
750wether they are started, being destroyed etc., so be careful. Only term 756whether they are started, being destroyed etc., so be careful. Only term
751objects that have perl extensions attached will be returned (because there 757objects that have perl extensions attached will be returned (because there
752is no urxvt::term objet associated with others). 758is no urxvt::term objet associated with others).
753 759
754=item $time = urxvt::NOW 760=item $time = urxvt::NOW
755 761
1193 1199
1194Returns true if the option specified by C<$optval> is enabled, and 1200Returns true if the option specified by C<$optval> is enabled, and
1195optionally change it. All option values are stored by name in the hash 1201optionally change it. All option values are stored by name in the hash
1196C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash. 1202C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1197 1203
1198Here is a a likely non-exhaustive list of option names, please see the 1204Here is a likely non-exhaustive list of option names, please see the
1199source file F</src/optinc.h> to see the actual list: 1205source file F</src/optinc.h> to see the actual list:
1200 1206
1201 borderLess console cursorBlink cursorUnderline hold iconic insecure 1207 borderLess console cursorBlink cursorUnderline hold iconic insecure
1202 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1208 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
1203 override-redirect pastableTabs pointerBlank reverseVideo scrollBar 1209 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
1220likely change). 1226likely change).
1221 1227
1222Please note that resource strings will currently only be freed when the 1228Please note that resource strings will currently only be freed when the
1223terminal is destroyed, so changing options frequently will eat memory. 1229terminal is destroyed, so changing options frequently will eat memory.
1224 1230
1225Here is a a likely non-exhaustive list of resource names, not all of which 1231Here is a likely non-exhaustive list of resource names, not all of which
1226are supported in every build, please see the source file F</src/rsinc.h> 1232are supported in every build, please see the source file F</src/rsinc.h>
1227to see the actual list: 1233to see the actual list:
1228 1234
1229 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1235 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
1230 borderLess color cursorBlink cursorUnderline cutchars delete_key 1236 borderLess color cursorBlink cursorUnderline cutchars delete_key
1542 1548
1543Returns the currently displayed screen (0 primary, 1 secondary). 1549Returns the currently displayed screen (0 primary, 1 secondary).
1544 1550
1545=item $cursor_is_hidden = $term->hidden_cursor 1551=item $cursor_is_hidden = $term->hidden_cursor
1546 1552
1547Returns wether the cursor is currently hidden or not. 1553Returns whether the cursor is currently hidden or not.
1548 1554
1549=item $view_start = $term->view_start ([$newvalue]) 1555=item $view_start = $term->view_start ([$newvalue])
1550 1556
1551Returns the row number of the topmost displayed line. Maximum value is 1557Returns the row number of the topmost displayed line. Maximum value is
1552C<0>, which displays the normal terminal contents. Lower values scroll 1558C<0>, which displays the normal terminal contents. Lower values scroll
1729where one character corresponds to one screen cell. See 1735where one character corresponds to one screen cell. See
1730C<< $term->ROW_t >> for details. 1736C<< $term->ROW_t >> for details.
1731 1737
1732=item $string = $term->special_decode $text 1738=item $string = $term->special_decode $text
1733 1739
1734Converts rxvt-unicodes text reprsentation into a perl string. See 1740Converts rxvt-unicodes text representation into a perl string. See
1735C<< $term->ROW_t >> for details. 1741C<< $term->ROW_t >> for details.
1736 1742
1737=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt]) 1743=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1738 1744
1739=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt]) 1745=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1742manpage. 1748manpage.
1743 1749
1744=item $success = $term->grab ($eventtime[, $sync]) 1750=item $success = $term->grab ($eventtime[, $sync])
1745 1751
1746Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1752Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1747synchronous (C<$sync> is true). Also remembers the grab timestampe. 1753synchronous (C<$sync> is true). Also remembers the grab timestamp.
1748 1754
1749=item $term->allow_events_async 1755=item $term->allow_events_async
1750 1756
1751Calls XAllowEvents with AsyncBoth for the most recent grab. 1757Calls XAllowEvents with AsyncBoth for the most recent grab.
1752 1758
2019Set the callback to be called when io events are triggered. C<$reventmask> 2025Set the callback to be called when io events are triggered. C<$reventmask>
2020is a bitset as described in the C<events> method. 2026is a bitset as described in the C<events> method.
2021 2027
2022=item $iow = $iow->fd ($fd) 2028=item $iow = $iow->fd ($fd)
2023 2029
2024Set the filedescriptor (not handle) to watch. 2030Set the file descriptor (not handle) to watch.
2025 2031
2026=item $iow = $iow->events ($eventmask) 2032=item $iow = $iow->events ($eventmask)
2027 2033
2028Set the event mask to watch. The only allowed values are 2034Set the event mask to watch. The only allowed values are
2029C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed 2035C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
2033 2039
2034Start watching for requested events on the given handle. 2040Start watching for requested events on the given handle.
2035 2041
2036=item $iow = $iow->stop 2042=item $iow = $iow->stop
2037 2043
2038Stop watching for events on the given filehandle. 2044Stop watching for events on the given file handle.
2039 2045
2040=back 2046=back
2041 2047
2042=head2 The C<urxvt::iw> Class 2048=head2 The C<urxvt::iw> Class
2043 2049
2090 2096
2091Set the callback to be called when the timer triggers. 2097Set the callback to be called when the timer triggers.
2092 2098
2093=item $pw = $timer->start ($pid) 2099=item $pw = $timer->start ($pid)
2094 2100
2095Tells the wqtcher to start watching for process C<$pid>. 2101Tells the watcher to start watching for process C<$pid>.
2096 2102
2097=item $pw = $pw->stop 2103=item $pw = $pw->stop
2098 2104
2099Stop the watcher. 2105Stop the watcher.
2100 2106
2113 2119
2114=item >= 3 - script loading and management 2120=item >= 3 - script loading and management
2115 2121
2116=item >=10 - all called hooks 2122=item >=10 - all called hooks
2117 2123
2118=item >=11 - hook reutrn values 2124=item >=11 - hook return values
2119 2125
2120=back 2126=back
2121 2127
2122=head1 AUTHOR 2128=head1 AUTHOR
2123 2129

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