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Revision 1.137 by root, Sat Mar 4 20:17:52 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
151bottom. C<Escape> leaves search mode and returns to the point where search 151bottom. C<Escape> leaves search mode and returns to the point where search
152was started, while C<Enter> or C<Return> stay at the current position and 152was started, while C<Enter> or C<Return> stay at the current position and
153additionally stores the first match in the current line into the primary 153additionally stores the first match in the current line into the primary
154selection. 154selection.
155 155
156The regex defaults to "(?i)", resulting in a case-insensitive search. To
157get a case-sensitive search you can delete this prefix using C<BackSpace>
158or simply use an uppercase character which removes the "(?i)" prefix.
159
160See L<perlre> for more info about perl regular expression syntax.
161
156=item readline (enabled by default) 162=item readline (enabled by default)
157 163
158A support package that tries to make editing with readline easier. At 164A support package that tries to make editing with readline easier. At
159the moment, it reacts to clicking shift-left mouse button by trying to 165the moment, it reacts to clicking shift-left mouse button by trying to
160move the text cursor to this position. It does so by generating as many 166move the text cursor to this position. It does so by generating as many
214the message into vi commands to load the file. 220the message into vi commands to load the file.
215 221
216=item tabbed 222=item tabbed
217 223
218This transforms the terminal into a tabbar with additional terminals, that 224This transforms the terminal into a tabbar with additional terminals, that
219is, 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
220displays 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
221button per tab. 227button per tab.
222 228
223Clicking a button will activate that tab. Pressing B<Shift-Left> and 229Clicking a button will activate that tab. Pressing B<Shift-Left> and
224B<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,
253You enable it by specifying this extension and a preedit style of 259You enable it by specifying this extension and a preedit style of
254C<OnTheSpot>, i.e.: 260C<OnTheSpot>, i.e.:
255 261
256 @@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot 262 @@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
257 263
264=item kuake<hotkey>
265
266A very primitive quake-console-like extension. It was inspired by a
267description of how the programs C<kuake> and C<yakuake> work: Whenever the
268user presses a global accelerator key (by default C<F10>), the terminal
269will show or hide itself. Another press of the accelerator key will hide
270or show it again.
271
272Initially, the window will not be shown when using this extension.
273
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.
276
277The accelerator key is grabbed regardless of any modifiers, so this
278extension will actually grab a physical key just for this function.
279
280If you want a quake-like animation, tell your window manager to do so
281(fvwm can do it).
282
258=item automove-background 283=item automove-background
259 284
260This is basically a one-line extension that dynamically changes the background pixmap offset 285This is basically a very small extension that dynamically changes the
261to the window position, in effect creating the same effect as pseudo transparency with 286background pixmap offset to the window position, in effect creating the
262a custom pixmap. No scaling is supported in this mode. Exmaple: 287same effect as pseudo transparency with a custom pixmap. No scaling is
288supported in this mode. Example:
263 289
264 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background 290 @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
265 291
266=item block-graphics-to-ascii 292=item block-graphics-to-ascii
267 293
268A not very useful example of filtering all text output to the terminal, 294A not very useful example of filtering all text output to the terminal
269by replacing all line-drawing characters (U+2500 .. U+259F) by a 295by replacing all line-drawing characters (U+2500 .. U+259F) by a
270similar-looking ascii character. 296similar-looking ascii character.
271 297
272=item digital-clock 298=item digital-clock
273 299
368 394
369=back 395=back
370 396
371=head2 Extension Objects 397=head2 Extension Objects
372 398
373Very 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
374for 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,
375hooks. 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
376about 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
377begin with an underscore character C<_>: these are reserved for internal 404that begin with an underscore character C<_>: these are reserved for
378use. 405internal use.
379 406
380Although 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
381C<urxvt::term> class on this object. 408C<urxvt::term> class on this object.
382 409
383It has the following methods and data members: 410It has the following methods and data members:
404=head2 Hooks 431=head2 Hooks
405 432
406The following subroutines can be declared in extension files, and will be 433The following subroutines can be declared in extension files, and will be
407called whenever the relevant event happens. 434called whenever the relevant event happens.
408 435
409The 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
410the in the C<Extension Objects> section. 437the in the C<Extension Objects> section.
411 438
412B<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
413hooks 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
414relevant action might not be carried out by the C++ code. 441relevant action might not be carried out by the C++ code.
427place. 454place.
428 455
429=item on_start $term 456=item on_start $term
430 457
431Called 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
432trying to map (display) the toplevel and returning to the mainloop. 459trying to map (display) the toplevel and returning to the main loop.
433 460
434=item on_destroy $term 461=item on_destroy $term
435 462
436Called whenever something tries to destroy terminal, when the terminal is 463Called whenever something tries to destroy terminal, when the terminal is
437still fully functional (not for long, though). 464still fully functional (not for long, though).
464 491
465Called whenever a selection has been copied, but before the selection is 492Called whenever a selection has been copied, but before the selection is
466requested from the server. The selection text can be queried and changed 493requested from the server. The selection text can be queried and changed
467by calling C<< $term->selection >>. 494by calling C<< $term->selection >>.
468 495
469Returning a true value aborts selection grabbing. It will still be hilighted. 496Returning a true value aborts selection grabbing. It will still be highlighted.
470 497
471=item on_sel_extend $term 498=item on_sel_extend $term
472 499
473Called 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
474click) and is either supposed to return false (normal operation), or 501click) and is either supposed to return false (normal operation), or
475should 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
476processing. This can happen multiple times, as long as the callback 503processing. This can happen multiple times, as long as the callback
477returns 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
478supposed to enlarge the selection more and more, if possible. 505supposed to enlarge the selection more and more, if possible.
479 506
480See the F<selection> example extension. 507See the F<selection> example extension.
481 508
482=item on_view_change $term, $offset 509=item on_view_change $term, $offset
483 510
484Called whenever the view offset changes, i..e the user or program 511Called whenever the view offset changes, i.e. the user or program
485scrolls. Offset C<0> means display the normal terminal, positive values 512scrolls. Offset C<0> means display the normal terminal, positive values
486show this many lines of scrollback. 513show this many lines of scrollback.
487 514
488=item on_scroll_back $term, $lines, $saved 515=item on_scroll_back $term, $lines, $saved
489 516
513string should start with the extension name and a colon, to distinguish 540string should start with the extension name and a colon, to distinguish
514it 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
515future. 542future.
516 543
517Be 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,
518as 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
519other users on the same system etc.). 546other users on the same system etc.).
520 547
521=item on_add_lines $term, $string 548=item on_add_lines $term, $string
522 549
523Called 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
556 583
557Called just after the screen gets redrawn. See C<on_refresh_begin>. 584Called just after the screen gets redrawn. See C<on_refresh_begin>.
558 585
559=item on_user_command $term, $string 586=item on_user_command $term, $string
560 587
561Called whenever the a user-configured event is being activated (e.g. via 588Called whenever a user-configured event is being activated (e.g. via
562a 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>
563resource in the @@RXVT_NAME@@(1) manpage). 590resource in the @@RXVT_NAME@@(1) manpage).
564 591
565The 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
566slightly in the future. 593slightly in the future.
567 594
568=item on_resize_all_windows $tern, $new_width, $new_height 595=item on_resize_all_windows $tern, $new_width, $new_height
569 596
570Called just after the new window size has been calculcated, but before 597Called just after the new window size has been calculated, but before
571windows 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
572returns TRUE, setting of the window hints is being skipped. 599returns TRUE, setting of the window hints is being skipped.
573 600
574=item on_x_event $term, $event 601=item on_x_event $term, $event
575 602
576Called on every X event received on the vt window (and possibly other 603Called on every X event received on the vt window (and possibly other
577windows). Should only be used as a last resort. Most event structure 604windows). Should only be used as a last resort. Most event structure
578members are not passed. 605members are not passed.
579 606
607=item on_root_event $term, $event
608
609Like C<on_x_event>, but is called for events on the root window.
610
580=item on_focus_in $term 611=item on_focus_in $term
581 612
582Called whenever the window gets the keyboard focus, before rxvt-unicode 613Called whenever the window gets the keyboard focus, before rxvt-unicode
583does focus in processing. 614does focus in processing.
584 615
585=item on_focus_out $term 616=item on_focus_out $term
586 617
587Called wheneever the window loses keyboard focus, before rxvt-unicode does 618Called whenever the window loses keyboard focus, before rxvt-unicode does
588focus out processing. 619focus out processing.
589 620
590=item on_configure_notify $term, $event 621=item on_configure_notify $term, $event
591 622
592=item on_property_notify $term, $event 623=item on_property_notify $term, $event
675The current terminal. This variable stores the current C<urxvt::term> 706The current terminal. This variable stores the current C<urxvt::term>
676object, whenever a callback/hook is executing. 707object, whenever a callback/hook is executing.
677 708
678=item @urxvt::TERM_INIT 709=item @urxvt::TERM_INIT
679 710
680All 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
681created 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
682gets cleared before the codereferences that were in it are being executed, 713gets cleared before the code references that were in it are being executed,
683so coderefs can push themselves onto it again if they so desire. 714so references can push themselves onto it again if they so desire.
684 715
685This complements to the perl-eval commandline option, but gets executed 716This complements to the perl-eval command line option, but gets executed
686first. 717first.
687 718
688=item @urxvt::TERM_EXT 719=item @urxvt::TERM_EXT
689 720
690Works 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
715Messages have a size limit of 1023 bytes currently. 746Messages have a size limit of 1023 bytes currently.
716 747
717=item @terms = urxvt::termlist 748=item @terms = urxvt::termlist
718 749
719Returns all urxvt::term objects that exist in this process, regardless of 750Returns all urxvt::term objects that exist in this process, regardless of
720wether they are started, being destroyed etc., so be careful. Only term 751whether they are started, being destroyed etc., so be careful. Only term
721objects that have perl extensions attached will be returned (because there 752objects that have perl extensions attached will be returned (because there
722is no urxvt::term objet associated with others). 753is no urxvt::term objet associated with others).
723 754
724=item $time = urxvt::NOW 755=item $time = urxvt::NOW
725 756
907 938
908 if (my $cb = $TERM->{_hook}[$htype]) { 939 if (my $cb = $TERM->{_hook}[$htype]) {
909 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" 940 verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
910 if $verbosity >= 10; 941 if $verbosity >= 10;
911 942
912 keys %$cb; 943 for my $pkg (keys %$cb) {
913
914 while (my ($pkg, $cb) = each %$cb) {
915 my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }; 944 my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };
916 $retval ||= $retval_; 945 $retval ||= $retval_;
917 946
918 if ($@) { 947 if ($@) {
919 $TERM->ungrab; # better to lose the grab than the session 948 $TERM->ungrab; # better to lose the grab than the session
920 warn $@; 949 warn $@;
1165 1194
1166Returns true if the option specified by C<$optval> is enabled, and 1195Returns true if the option specified by C<$optval> is enabled, and
1167optionally 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
1168C<%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.
1169 1198
1170Here 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
1171source file F</src/optinc.h> to see the actual list: 1200source file F</src/optinc.h> to see the actual list:
1172 1201
1173 borderLess console cursorBlink cursorUnderline hold iconic insecure 1202 borderLess console cursorBlink cursorUnderline hold iconic insecure
1174 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1203 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
1175 override-redirect pastableTabs pointerBlank reverseVideo scrollBar 1204 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
1192likely change). 1221likely change).
1193 1222
1194Please note that resource strings will currently only be freed when the 1223Please note that resource strings will currently only be freed when the
1195terminal is destroyed, so changing options frequently will eat memory. 1224terminal is destroyed, so changing options frequently will eat memory.
1196 1225
1197Here 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
1198are 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>
1199to see the actual list: 1228to see the actual list:
1200 1229
1201 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1230 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
1202 borderLess color cursorBlink cursorUnderline cutchars delete_key 1231 borderLess color cursorBlink cursorUnderline cutchars delete_key
1514 1543
1515Returns the currently displayed screen (0 primary, 1 secondary). 1544Returns the currently displayed screen (0 primary, 1 secondary).
1516 1545
1517=item $cursor_is_hidden = $term->hidden_cursor 1546=item $cursor_is_hidden = $term->hidden_cursor
1518 1547
1519Returns wether the cursor is currently hidden or not. 1548Returns whether the cursor is currently hidden or not.
1520 1549
1521=item $view_start = $term->view_start ([$newvalue]) 1550=item $view_start = $term->view_start ([$newvalue])
1522 1551
1523Returns the row number of the topmost displayed line. Maximum value is 1552Returns the row number of the topmost displayed line. Maximum value is
1524C<0>, which displays the normal terminal contents. Lower values scroll 1553C<0>, which displays the normal terminal contents. Lower values scroll
1701where one character corresponds to one screen cell. See 1730where one character corresponds to one screen cell. See
1702C<< $term->ROW_t >> for details. 1731C<< $term->ROW_t >> for details.
1703 1732
1704=item $string = $term->special_decode $text 1733=item $string = $term->special_decode $text
1705 1734
1706Converts rxvt-unicodes text reprsentation into a perl string. See 1735Converts rxvt-unicodes text representation into a perl string. See
1707C<< $term->ROW_t >> for details. 1736C<< $term->ROW_t >> for details.
1708 1737
1709=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt]) 1738=item $success = $term->grab_button ($button, $modifiermask[, $window = $term->vt])
1710 1739
1711=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt]) 1740=item $term->ungrab_button ($button, $modifiermask[, $window = $term->vt])
1714manpage. 1743manpage.
1715 1744
1716=item $success = $term->grab ($eventtime[, $sync]) 1745=item $success = $term->grab ($eventtime[, $sync])
1717 1746
1718Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1747Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
1719synchronous (C<$sync> is true). Also remembers the grab timestampe. 1748synchronous (C<$sync> is true). Also remembers the grab timestamp.
1720 1749
1721=item $term->allow_events_async 1750=item $term->allow_events_async
1722 1751
1723Calls XAllowEvents with AsyncBoth for the most recent grab. 1752Calls XAllowEvents with AsyncBoth for the most recent grab.
1724 1753
1991Set the callback to be called when io events are triggered. C<$reventmask> 2020Set the callback to be called when io events are triggered. C<$reventmask>
1992is a bitset as described in the C<events> method. 2021is a bitset as described in the C<events> method.
1993 2022
1994=item $iow = $iow->fd ($fd) 2023=item $iow = $iow->fd ($fd)
1995 2024
1996Set the filedescriptor (not handle) to watch. 2025Set the file descriptor (not handle) to watch.
1997 2026
1998=item $iow = $iow->events ($eventmask) 2027=item $iow = $iow->events ($eventmask)
1999 2028
2000Set the event mask to watch. The only allowed values are 2029Set the event mask to watch. The only allowed values are
2001C<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
2005 2034
2006Start watching for requested events on the given handle. 2035Start watching for requested events on the given handle.
2007 2036
2008=item $iow = $iow->stop 2037=item $iow = $iow->stop
2009 2038
2010Stop watching for events on the given filehandle. 2039Stop watching for events on the given file handle.
2011 2040
2012=back 2041=back
2013 2042
2014=head2 The C<urxvt::iw> Class 2043=head2 The C<urxvt::iw> Class
2015 2044
2062 2091
2063Set the callback to be called when the timer triggers. 2092Set the callback to be called when the timer triggers.
2064 2093
2065=item $pw = $timer->start ($pid) 2094=item $pw = $timer->start ($pid)
2066 2095
2067Tells the wqtcher to start watching for process C<$pid>. 2096Tells the watcher to start watching for process C<$pid>.
2068 2097
2069=item $pw = $pw->stop 2098=item $pw = $pw->stop
2070 2099
2071Stop the watcher. 2100Stop the watcher.
2072 2101
2085 2114
2086=item >= 3 - script loading and management 2115=item >= 3 - script loading and management
2087 2116
2088=item >=10 - all called hooks 2117=item >=10 - all called hooks
2089 2118
2090=item >=11 - hook reutrn values 2119=item >=11 - hook return values
2091 2120
2092=back 2121=back
2093 2122
2094=head1 AUTHOR 2123=head1 AUTHOR
2095 2124

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