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Revision 1.143 by root, Thu Jul 6 23:48:11 2006 UTC vs.
Revision 1.145 by root, Thu Aug 10 22:53:20 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
395=back 395=back
396 396
397=head2 Extension Objects 397=head2 Extension Objects
398 398
399Every perl extension is a perl class. A separate perl object is created 399Every 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 400for 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 401which are passed as the first parameter to hooks. So extensions can use
402about other extensions, with the exception of methods and members that 402their C<$self> object without having to think about clashes with other
403extensions or other terminals, with the exception of methods and members
403begin with an underscore character C<_>: these are reserved for internal 404that begin with an underscore character C<_>: these are reserved for
404use. 405internal use.
405 406
406Although it isn't a C<urxvt::term> object, you can call all methods of the 407Although it isn't a C<urxvt::term> object, you can call all methods of the
407C<urxvt::term> class on this object. 408C<urxvt::term> class on this object.
408 409
409It has the following methods and data members: 410It has the following methods and data members:
430=head2 Hooks 431=head2 Hooks
431 432
432The following subroutines can be declared in extension files, and will be 433The following subroutines can be declared in extension files, and will be
433called whenever the relevant event happens. 434called whenever the relevant event happens.
434 435
435The first argument passed to them is an extension oject as described in 436The first argument passed to them is an extension object as described in
436the in the C<Extension Objects> section. 437the in the C<Extension Objects> section.
437 438
438B<All> of these hooks must return a boolean value. If any of the called 439B<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 440hooks returns true, then the event counts as being I<consumed>, and the
440relevant action might not be carried out by the C++ code. 441relevant action might not be carried out by the C++ code.
453place. 454place.
454 455
455=item on_start $term 456=item on_start $term
456 457
457Called at the very end of initialisation of a new terminal, just before 458Called at the very end of initialisation of a new terminal, just before
458trying to map (display) the toplevel and returning to the mainloop. 459trying to map (display) the toplevel and returning to the main loop.
459 460
460=item on_destroy $term 461=item on_destroy $term
461 462
462Called whenever something tries to destroy terminal, when the terminal is 463Called whenever something tries to destroy terminal, when the terminal is
463still fully functional (not for long, though). 464still fully functional (not for long, though).
490 491
491Called whenever a selection has been copied, but before the selection is 492Called whenever a selection has been copied, but before the selection is
492requested from the server. The selection text can be queried and changed 493requested from the server. The selection text can be queried and changed
493by calling C<< $term->selection >>. 494by calling C<< $term->selection >>.
494 495
495Returning a true value aborts selection grabbing. It will still be hilighted. 496Returning a true value aborts selection grabbing. It will still be highlighted.
496 497
497=item on_sel_extend $term 498=item on_sel_extend $term
498 499
499Called whenever the user tries to extend the selection (e.g. with a double 500Called whenever the user tries to extend the selection (e.g. with a double
500click) and is either supposed to return false (normal operation), or 501click) and is either supposed to return false (normal operation), or
501should extend the selection itelf and return true to suppress the built-in 502should extend the selection itself and return true to suppress the built-in
502processing. This can happen multiple times, as long as the callback 503processing. 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 504returns true, it will be called on every further click by the user and is
504supposed to enlarge the selection more and more, if possible. 505supposed to enlarge the selection more and more, if possible.
505 506
506See the F<selection> example extension. 507See the F<selection> example extension.
507 508
508=item on_view_change $term, $offset 509=item on_view_change $term, $offset
509 510
510Called whenever the view offset changes, i..e the user or program 511Called whenever the view offset changes, i.e. the user or program
511scrolls. Offset C<0> means display the normal terminal, positive values 512scrolls. Offset C<0> means display the normal terminal, positive values
512show this many lines of scrollback. 513show this many lines of scrollback.
513 514
514=item on_scroll_back $term, $lines, $saved 515=item on_scroll_back $term, $lines, $saved
515 516
539string should start with the extension name and a colon, to distinguish 540string should start with the extension name and a colon, to distinguish
540it from commands for other extensions, and this might be enforced in the 541it from commands for other extensions, and this might be enforced in the
541future. 542future.
542 543
543Be careful not ever to trust (in a security sense) the data you receive, 544Be 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 545as its source can not easily be controlled (e-mail content, messages from
545other users on the same system etc.). 546other users on the same system etc.).
546 547
547=item on_add_lines $term, $string 548=item on_add_lines $term, $string
548 549
549Called whenever text is about to be output, with the text as argument. You 550Called whenever text is about to be output, with the text as argument. You
582 583
583Called just after the screen gets redrawn. See C<on_refresh_begin>. 584Called just after the screen gets redrawn. See C<on_refresh_begin>.
584 585
585=item on_user_command $term, $string 586=item on_user_command $term, $string
586 587
587Called whenever the a user-configured event is being activated (e.g. via 588Called 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> 589a C<perl:string> action bound to a key, see description of the B<keysym>
589resource in the @@RXVT_NAME@@(1) manpage). 590resource in the @@RXVT_NAME@@(1) manpage).
590 591
591The event is simply the action string. This interface is assumed to change 592The event is simply the action string. This interface is assumed to change
592slightly in the future. 593slightly in the future.
593 594
594=item on_resize_all_windows $tern, $new_width, $new_height 595=item on_resize_all_windows $tern, $new_width, $new_height
595 596
596Called just after the new window size has been calculcated, but before 597Called just after the new window size has been calculated, but before
597windows are actually being resized or hints are being set. If this hook 598windows are actually being resized or hints are being set. If this hook
598returns TRUE, setting of the window hints is being skipped. 599returns TRUE, setting of the window hints is being skipped.
599 600
600=item on_x_event $term, $event 601=item on_x_event $term, $event
601 602
612Called whenever the window gets the keyboard focus, before rxvt-unicode 613Called whenever the window gets the keyboard focus, before rxvt-unicode
613does focus in processing. 614does focus in processing.
614 615
615=item on_focus_out $term 616=item on_focus_out $term
616 617
617Called wheneever the window loses keyboard focus, before rxvt-unicode does 618Called whenever the window loses keyboard focus, before rxvt-unicode does
618focus out processing. 619focus out processing.
619 620
620=item on_configure_notify $term, $event 621=item on_configure_notify $term, $event
621 622
622=item on_property_notify $term, $event 623=item on_property_notify $term, $event
705The current terminal. This variable stores the current C<urxvt::term> 706The current terminal. This variable stores the current C<urxvt::term>
706object, whenever a callback/hook is executing. 707object, whenever a callback/hook is executing.
707 708
708=item @urxvt::TERM_INIT 709=item @urxvt::TERM_INIT
709 710
710All coderefs in this array will be called as methods of the next newly 711All 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 712created C<urxvt::term> object (during the C<on_init> phase). The array
712gets cleared before the codereferences that were in it are being executed, 713gets cleared before the code references that were in it are being executed,
713so coderefs can push themselves onto it again if they so desire. 714so references can push themselves onto it again if they so desire.
714 715
715This complements to the perl-eval commandline option, but gets executed 716This complements to the perl-eval command line option, but gets executed
716first. 717first.
717 718
718=item @urxvt::TERM_EXT 719=item @urxvt::TERM_EXT
719 720
720Works similar to C<@TERM_INIT>, but contains perl package/class names, which 721Works similar to C<@TERM_INIT>, but contains perl package/class names, which
745Messages have a size limit of 1023 bytes currently. 746Messages have a size limit of 1023 bytes currently.
746 747
747=item @terms = urxvt::termlist 748=item @terms = urxvt::termlist
748 749
749Returns all urxvt::term objects that exist in this process, regardless of 750Returns all urxvt::term objects that exist in this process, regardless of
750wether they are started, being destroyed etc., so be careful. Only term 751whether they are started, being destroyed etc., so be careful. Only term
751objects that have perl extensions attached will be returned (because there 752objects that have perl extensions attached will be returned (because there
752is no urxvt::term objet associated with others). 753is no urxvt::term objet associated with others).
753 754
754=item $time = urxvt::NOW 755=item $time = urxvt::NOW
755 756
1193 1194
1194Returns true if the option specified by C<$optval> is enabled, and 1195Returns true if the option specified by C<$optval> is enabled, and
1195optionally change it. All option values are stored by name in the hash 1196optionally 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. 1197C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1197 1198
1198Here is a a likely non-exhaustive list of option names, please see the 1199Here is a likely non-exhaustive list of option names, please see the
1199source file F</src/optinc.h> to see the actual list: 1200source file F</src/optinc.h> to see the actual list:
1200 1201
1201 borderLess console cursorBlink cursorUnderline hold iconic insecure 1202 borderLess console cursorBlink cursorUnderline hold iconic insecure
1202 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1203 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
1203 override-redirect pastableTabs pointerBlank reverseVideo scrollBar 1204 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
1220likely change). 1221likely change).
1221 1222
1222Please note that resource strings will currently only be freed when the 1223Please note that resource strings will currently only be freed when the
1223terminal is destroyed, so changing options frequently will eat memory. 1224terminal is destroyed, so changing options frequently will eat memory.
1224 1225
1225Here is a a likely non-exhaustive list of resource names, not all of which 1226Here 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> 1227are supported in every build, please see the source file F</src/rsinc.h>
1227to see the actual list: 1228to see the actual list:
1228 1229
1229 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1230 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
1230 borderLess color cursorBlink cursorUnderline cutchars delete_key 1231 borderLess color cursorBlink cursorUnderline cutchars delete_key
1542 1543
1543Returns the currently displayed screen (0 primary, 1 secondary). 1544Returns the currently displayed screen (0 primary, 1 secondary).
1544 1545
1545=item $cursor_is_hidden = $term->hidden_cursor 1546=item $cursor_is_hidden = $term->hidden_cursor
1546 1547
1547Returns wether the cursor is currently hidden or not. 1548Returns whether the cursor is currently hidden or not.
1548 1549
1549=item $view_start = $term->view_start ([$newvalue]) 1550=item $view_start = $term->view_start ([$newvalue])
1550 1551
1551Returns the row number of the topmost displayed line. Maximum value is 1552Returns the row number of the topmost displayed line. Maximum value is
1552C<0>, which displays the normal terminal contents. Lower values scroll 1553C<0>, which displays the normal terminal contents. Lower values scroll
1729where one character corresponds to one screen cell. See 1730where one character corresponds to one screen cell. See
1730C<< $term->ROW_t >> for details. 1731C<< $term->ROW_t >> for details.
1731 1732
1732=item $string = $term->special_decode $text 1733=item $string = $term->special_decode $text
1733 1734
1734Converts rxvt-unicodes text reprsentation into a perl string. See 1735Converts rxvt-unicodes text representation into a perl string. See
1735C<< $term->ROW_t >> for details. 1736C<< $term->ROW_t >> for details.
1736 1737
1737=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt]) 1738=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1738 1739
1739=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt]) 1740=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1742manpage. 1743manpage.
1743 1744
1744=item $success = $term->grab ($eventtime[, $sync]) 1745=item $success = $term->grab ($eventtime[, $sync])
1745 1746
1746Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1747Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1747synchronous (C<$sync> is true). Also remembers the grab timestampe. 1748synchronous (C<$sync> is true). Also remembers the grab timestamp.
1748 1749
1749=item $term->allow_events_async 1750=item $term->allow_events_async
1750 1751
1751Calls XAllowEvents with AsyncBoth for the most recent grab. 1752Calls XAllowEvents with AsyncBoth for the most recent grab.
1752 1753
2019Set the callback to be called when io events are triggered. C<$reventmask> 2020Set the callback to be called when io events are triggered. C<$reventmask>
2020is a bitset as described in the C<events> method. 2021is a bitset as described in the C<events> method.
2021 2022
2022=item $iow = $iow->fd ($fd) 2023=item $iow = $iow->fd ($fd)
2023 2024
2024Set the filedescriptor (not handle) to watch. 2025Set the file descriptor (not handle) to watch.
2025 2026
2026=item $iow = $iow->events ($eventmask) 2027=item $iow = $iow->events ($eventmask)
2027 2028
2028Set the event mask to watch. The only allowed values are 2029Set the event mask to watch. The only allowed values are
2029C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed 2030C<urxvt::EVENT_READ> and C<urxvt::EVENT_WRITE>, which might be ORed
2033 2034
2034Start watching for requested events on the given handle. 2035Start watching for requested events on the given handle.
2035 2036
2036=item $iow = $iow->stop 2037=item $iow = $iow->stop
2037 2038
2038Stop watching for events on the given filehandle. 2039Stop watching for events on the given file handle.
2039 2040
2040=back 2041=back
2041 2042
2042=head2 The C<urxvt::iw> Class 2043=head2 The C<urxvt::iw> Class
2043 2044
2090 2091
2091Set the callback to be called when the timer triggers. 2092Set the callback to be called when the timer triggers.
2092 2093
2093=item $pw = $timer->start ($pid) 2094=item $pw = $timer->start ($pid)
2094 2095
2095Tells the wqtcher to start watching for process C<$pid>. 2096Tells the watcher to start watching for process C<$pid>.
2096 2097
2097=item $pw = $pw->stop 2098=item $pw = $pw->stop
2098 2099
2099Stop the watcher. 2100Stop the watcher.
2100 2101
2113 2114
2114=item >= 3 - script loading and management 2115=item >= 3 - script loading and management
2115 2116
2116=item >=10 - all called hooks 2117=item >=10 - all called hooks
2117 2118
2118=item >=11 - hook reutrn values 2119=item >=11 - hook return values
2119 2120
2120=back 2121=back
2121 2122
2122=head1 AUTHOR 2123=head1 AUTHOR
2123 2124

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