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3<head> 4<head>
4<title>rxvtperl - rxvt-unicode's embedded perl interpreter</title> 5<title>rxvtperl - rxvt-unicode's embedded perl interpreter</title>
6<meta http-equiv="content-type" content="text/html; charset=utf-8" />
5<link rev="made" href="mailto:perl-binary@plan9.de" /> 7<link rev="made" href="mailto:perl-binary@plan9.de" />
6</head> 8</head>
7 9
8<body style="background-color: white"> 10<body style="background-color: white">
9 11
… …
13<ul> 15<ul>
14 16
15 <li><a href="#name">NAME</a></li> 17 <li><a href="#name">NAME</a></li>
16 <li><a href="#synopsis">SYNOPSIS</a></li> 18 <li><a href="#synopsis">SYNOPSIS</a></li>
17 <li><a href="#description">DESCRIPTION</a></li> 19 <li><a href="#description">DESCRIPTION</a></li>
20 <li><a href="#prepackaged_extensions">PREPACKAGED EXTENSIONS</a></li>
21 <li><a href="#api_documentation">API DOCUMENTATION</a></li>
18 <ul> 22 <ul>
19 23
20 <li><a href="#prepackaged_extensions">Prepackaged Extensions</a></li>
21 <li><a href="#general_api_considerations">General API Considerations</a></li> 24 <li><a href="#general_api_considerations">General API Considerations</a></li>
25 <li><a href="#extension_objects">Extension Objects</a></li>
22 <li><a href="#hooks">Hooks</a></li> 26 <li><a href="#hooks">Hooks</a></li>
23 <li><a href="#variables_in_the_urxvt_package">Variables in the <code>urxvt</code> Package</a></li> 27 <li><a href="#variables_in_the_urxvt_package">Variables in the <code>urxvt</code> Package</a></li>
24 <li><a href="#functions_in_the_urxvt_package">Functions in the <code>urxvt</code> Package</a></li> 28 <li><a href="#functions_in_the_urxvt_package">Functions in the <code>urxvt</code> Package</a></li>
25 <li><a href="#rendition">RENDITION</a></li> 29 <li><a href="#rendition">RENDITION</a></li>
26 <li><a href="#the_urxvt__anyevent_class">The <code>urxvt::anyevent</code> Class</a></li> 30 <li><a href="#the_urxvt__anyevent_class">The <code>urxvt::anyevent</code> Class</a></li>
27 <li><a href="#the_urxvt__term_class">The <code>urxvt::term</code> Class</a></li> 31 <li><a href="#the_urxvt__term_class">The <code>urxvt::term</code> Class</a></li>
28 <li><a href="#the_urxvt__popup_class">The <code>urxvt::popup</code> Class</a></li> 32 <li><a href="#the_urxvt__popup_class">The <code>urxvt::popup</code> Class</a></li>
29 <li><a href="#the_urxvt__timer_class">The <code>urxvt::timer</code> Class</a></li> 33 <li><a href="#the_urxvt__timer_class">The <code>urxvt::timer</code> Class</a></li>
30 <li><a href="#the_urxvt__iow_class">The <code>urxvt::iow</code> Class</a></li> 34 <li><a href="#the_urxvt__iow_class">The <code>urxvt::iow</code> Class</a></li>
35 <li><a href="#the_urxvt__iw_class">The <code>urxvt::iw</code> Class</a></li>
36 <li><a href="#the_urxvt__pw_class">The <code>urxvt::pw</code> Class</a></li>
31 </ul> 37 </ul>
32 38
33 <li><a href="#environment">ENVIRONMENT</a></li> 39 <li><a href="#environment">ENVIRONMENT</a></li>
34 <ul> 40 <ul>
35 41
… …
63 rxvt --perl-lib $HOME -pe grab_test</pre> 69 rxvt --perl-lib $HOME -pe grab_test</pre>
64<p> 70<p>
65</p> 71</p>
66<hr /> 72<hr />
67<h1><a name="description">DESCRIPTION</a></h1> 73<h1><a name="description">DESCRIPTION</a></h1>
68<p>Everytime a terminal object gets created, extension scripts specified via 74<p>Every time a terminal object gets created, extension scripts specified via
69the <code>perl</code> resource are loaded and associated with it.</p> 75the <code>perl</code> resource are loaded and associated with it.</p>
70<p>Scripts are compiled in a 'use strict' and 'use utf8' environment, and 76<p>Scripts are compiled in a 'use strict' and 'use utf8' environment, and
71thus must be encoded as UTF-8.</p> 77thus must be encoded as UTF-8.</p>
72<p>Each script will only ever be loaded once, even in rxvtd, where 78<p>Each script will only ever be loaded once, even in rxvtd, where
73scripts will be shared (but not enabled) for all terminals.</p> 79scripts will be shared (but not enabled) for all terminals.</p>
74<p> 80<p>
75</p> 81</p>
76<h2><a name="prepackaged_extensions">Prepackaged Extensions</a></h2> 82<hr />
83<h1><a name="prepackaged_extensions">PREPACKAGED EXTENSIONS</a></h1>
77<p>This section describes the extensiosn delivered with this version. You can 84<p>This section describes the extensions delivered with this release. You can
78find them in <em>/opt/rxvt/lib/urxvt/perl/</em>.</p> 85find them in <em>/opt/rxvt/lib/urxvt/perl/</em>.</p>
79<p>You can activate them like this:</p> 86<p>You can activate them like this:</p>
80<pre> 87<pre>
81 rxvt -pe &lt;extensionname&gt;</pre> 88 rxvt -pe &lt;extensionname&gt;</pre>
89<p>Or by adding them to the resource for extensions loaded by default:</p>
90<pre>
91 URxvt.perl-ext-common: default,automove-background,selection-autotransform</pre>
82<dl> 92<dl>
83<dt><strong><a name="item_selection">selection (enabled by default)</a></strong><br /> 93<dt><strong><a name="item_selection">selection (enabled by default)</a></strong>
84</dt> 94
85<dd>
86Intelligent selection. This extension tries to be more intelligent when
87the user extends selections (double-click). Right now, it tries to select
88urls and complete shell-quoted arguments, which is very convenient, too,
89if your <em>ls</em> supports <code>--quoting-style=shell</code>.
90</dd> 95<dd>
96<p>(More) intelligent selection. This extension tries to be more intelligent
97when the user extends selections (double-click and further clicks). Right
98now, it tries to select words, urls and complete shell-quoted
99arguments, which is very convenient, too, if your <em>ls</em> supports
100<code>--quoting-style=shell</code>.</p>
91<dd> 101</dd>
92<p>It also offers the following bindable event:</p> 102<dd>
103<p>A double-click usually selects the word under the cursor, further clicks
104will enlarge the selection.</p>
105</dd>
106<dd>
107<p>The selection works by trying to match a number of regexes and displaying
108them in increasing order of length. You can add your own regexes by
109specifying resources of the form:</p>
110</dd>
111<dd>
112<pre>
113 URxvt.selection.pattern-0: perl-regex
114 URxvt.selection.pattern-1: perl-regex
115 ...</pre>
116</dd>
117<dd>
118<p>The index number (0, 1...) must not have any holes, and each regex must
119contain at least one pair of capturing parentheses, which will be used for
120the match. For example, the following adds a regex that matches everything
121between two vertical bars:</p>
122</dd>
123<dd>
124<pre>
125 URxvt.selection.pattern-0: \\|([^|]+)\\|</pre>
126</dd>
127<dd>
128<p>Another example: Programs I use often output ``absolute path: '' at the
129beginning of a line when they process multiple files. The following
130pattern matches the filename (note, there is a single space at the very
131end):</p>
132</dd>
133<dd>
134<pre>
135 URxvt.selection.pattern-0: ^(/[^:]+):\</pre>
136</dd>
137<dd>
138<p>You can look at the source of the selection extension to see more
139interesting uses, such as parsing a line from beginning to end.</p>
140</dd>
141<dd>
142<p>This extension also offers following bindable keyboard commands:</p>
93</dd> 143</dd>
94<dl> 144<dl>
95<dt><strong><a name="item_rot13">rot13</a></strong><br /> 145<dt><strong><a name="item_rot13">rot13</a></strong>
96</dt> 146
97<dd> 147<dd>
98Rot-13 the selection when activated. Used via keyboard trigger: 148<p>Rot-13 the selection when activated. Used via keyboard trigger:</p>
99</dd> 149</dd>
100<dd> 150<dd>
101<pre> 151<pre>
102 URxvt.keysym.C-M-r: perl:selection:rot13</pre> 152 URxvt.keysym.C-M-r: perl:selection:rot13</pre>
103</dd> 153</dd>
104<p></p></dl> 154</li>
155</dl>
105<dt><strong><a name="item_popup">option-popup (enabled by default)</a></strong><br /> 156<dt><strong><a name="item_popup">option-popup (enabled by default)</a></strong>
106</dt> 157
107<dd> 158<dd>
108Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at 159<p>Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
109runtime. 160runtime.</p>
161</dd>
110</dd> 162<dd>
111<p></p> 163<p>Other extensions can extend this popup menu by pushing a code reference
164onto <code>@{ $term-</code>{option_popup_hook} }&gt;, which gets called whenever the
165popup is being displayed.</p>
166</dd>
167<dd>
168<p>It's sole argument is the popup menu, which can be modified. It should
169either return nothing or a string, the initial boolean value and a code
170reference. The string will be used as button text and the code reference
171will be called when the toggle changes, with the new boolean value as
172first argument.</p>
173</dd>
174<dd>
175<p>The following will add an entry <code>myoption</code> that changes
176<code>$self-</code>{myoption}&gt;:</p>
177</dd>
178<dd>
179<pre>
180 push @{ $self-&gt;{term}{option_popup_hook} }, sub {
181 (&quot;my option&quot; =&gt; $myoption, sub { $self-&gt;{myoption} = $_[0] })
182 };</pre>
183</dd>
184</li>
112<dt><strong>selection-popup (enabled by default)</strong><br /> 185<dt><strong>selection-popup (enabled by default)</strong>
113</dt> 186
114<dd> 187<dd>
115Binds a popup menu to Ctrl-Button3 that lets you convert the selection 188<p>Binds a popup menu to Ctrl-Button3 that lets you convert the selection
116text into various other formats/action. 189text into various other formats/action (such as uri unescaping, perl
117</dd> 190evaluation, web-browser starting etc.), depending on content.</p>
118<p></p>
119<dt><strong><a name="item_digital_2dclock">digital-clock</a></strong><br />
120</dt>
121<dd> 191</dd>
122Displays a digital clock using the built-in overlay.
123</dd> 192<dd>
124<p></p> 193<p>Other extensions can extend this popup menu by pushing a code reference
125<dt><strong><a name="item_mark_2durls">mark-urls</a></strong><br /> 194onto <code>@{ $term-</code>{selection_popup_hook} }&gt;, which gets called whenever the
126</dt> 195popup is being displayed.</p>
127<dd> 196</dd>
197<dd>
198<p>It's sole argument is the popup menu, which can be modified. The selection
199is in <code>$_</code>, which can be used to decide whether to add something or not.
200It should either return nothing or a string and a code reference. The
201string will be used as button text and the code reference will be called
202when the button gets activated and should transform <code>$_</code>.</p>
203</dd>
204<dd>
205<p>The following will add an entry <code>a to b</code> that transforms all <code>a</code>s in
206the selection to <code>b</code>s, but only if the selection currently contains any
207<code>a</code>s:</p>
208</dd>
209<dd>
210<pre>
211 push @{ $self-&gt;{term}{selection_popup_hook} }, sub {
212 /a/ ? (&quot;a to be&quot; =&gt; sub { s/a/b/g }
213 : ()
214 };</pre>
215</dd>
216</li>
217<dt><strong><a name="item_searchable_2dscrollback_3chotkey_3e__28enabled_by_">searchable-scrollback&lt;hotkey&gt; (enabled by default)</a></strong>
218
219<dd>
220<p>Adds regex search functionality to the scrollback buffer, triggered
221by a hotkey (default: <code>M-s</code>). While in search mode, normal terminal
222input/output is suspended and a regex is displayed at the bottom of the
223screen.</p>
224</dd>
225<dd>
226<p>Inputting characters appends them to the regex and continues incremental
227search. <code>BackSpace</code> removes a character from the regex, <code>Up</code> and <code>Down</code>
228search upwards/downwards in the scrollback buffer, <code>End</code> jumps to the
229bottom. <code>Escape</code> leaves search mode and returns to the point where search
230was started, while <code>Enter</code> or <code>Return</code> stay at the current position and
231additionally stores the first match in the current line into the primary
232selection.</p>
233</dd>
234<dd>
235<p>The regex defaults to ``(?i)'', resulting in a case-insensitive search. To
236get a case-sensitive search you can delete this prefix using <code>BackSpace</code>
237or simply use an uppercase character which removes the ``(?i)'' prefix.</p>
238</dd>
239<dd>
240<p>See <em>perlre</em> for more info about perl regular expression syntax.</p>
241</dd>
242</li>
243<dt><strong><a name="item_readline">readline (enabled by default)</a></strong>
244
245<dd>
246<p>A support package that tries to make editing with readline easier. At
247the moment, it reacts to clicking shift-left mouse button by trying to
248move the text cursor to this position. It does so by generating as many
249cursor-left or cursor-right keypresses as required (the this only works
250for programs that correctly support wide characters).</p>
251</dd>
252<dd>
253<p>To avoid too many false positives, this is only done when:</p>
254</dd>
255<dl>
256<dt><strong><a name="item__2d_the_tty_is_in_icanon_state_2e">- the tty is in ICANON state.</a></strong>
257
258<dt><strong><a name="item__2d_the_text_cursor_is_visible_2e">- the text cursor is visible.</a></strong>
259
260<dt><strong><a name="item__2d_the_primary_screen_is_currently_being_displaye">- the primary screen is currently being displayed.</a></strong>
261
262<dt><strong><a name="item_same">- the mouse is on the same (multi-row-) line as the text cursor.</a></strong>
263
264</dl>
265<p>The normal selection mechanism isn't disabled, so quick successive clicks
266might interfere with selection creation in harmless ways.</p>
267<dt><strong><a name="item_selection_2dautotransform">selection-autotransform</a></strong>
268
269<dd>
270<p>This selection allows you to do automatic transforms on a selection
271whenever a selection is made.</p>
272</dd>
273<dd>
274<p>It works by specifying perl snippets (most useful is a single <code>s///</code>
275operator) that modify <code>$_</code> as resources:</p>
276</dd>
277<dd>
278<pre>
279 URxvt.selection-autotransform.0: transform
280 URxvt.selection-autotransform.1: transform
281 ...</pre>
282</dd>
283<dd>
284<p>For example, the following will transform selections of the form
285<code>filename:number</code>, often seen in compiler messages, into <code>vi +$filename
286$word</code>:</p>
287</dd>
288<dd>
289<pre>
290 URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/</pre>
291</dd>
292<dd>
293<p>And this example matches the same,but replaces it with vi-commands you can
294paste directly into your (vi :) editor:</p>
295</dd>
296<dd>
297<pre>
298 URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/</pre>
299</dd>
300<dd>
301<p>Of course, this can be modified to suit your needs and your editor :)</p>
302</dd>
303<dd>
304<p>To expand the example above to typical perl error messages (``XXX at
305FILENAME line YYY.''), you need a slightly more elaborate solution:</p>
306</dd>
307<dd>
308<pre>
309 URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
310 URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/</pre>
311</dd>
312<dd>
313<p>The first line tells the selection code to treat the unchanging part of
314every error message as a selection pattern, and the second line transforms
315the message into vi commands to load the file.</p>
316</dd>
317</li>
318<dt><strong><a name="item_tabbed">tabbed</a></strong>
319
320<dd>
321<p>This transforms the terminal into a tabbar with additional terminals, that
322is, it implements what is commonly referred to as ``tabbed terminal''. The topmost line
323displays a ``[NEW]'' button, which, when clicked, will add a new tab, followed by one
324button per tab.</p>
325</dd>
326<dd>
327<p>Clicking a button will activate that tab. Pressing <strong>Shift-Left</strong> and
328<strong>Shift-Right</strong> will switch to the tab left or right of the current one,
329while <strong>Shift-Down</strong> creates a new tab.</p>
330</dd>
331<dd>
332<p>The tabbar itself can be configured similarly to a normal terminal, but
333with a resource class of <code>URxvt.tabbed</code>. In addition, it supports the
334following four resources (shown with defaults):</p>
335</dd>
336<dd>
337<pre>
338 URxvt.tabbed.tabbar-fg: &lt;colour-index, default 3&gt;
339 URxvt.tabbed.tabbar-bg: &lt;colour-index, default 0&gt;
340 URxvt.tabbed.tab-fg: &lt;colour-index, default 0&gt;
341 URxvt.tabbed.tab-bg: &lt;colour-index, default 1&gt;</pre>
342</dd>
343<dd>
344<p>See <em>COLOR AND GRAPHICS</em> in the <code>rxvt(1)</code> manpage for valid
345indices.</p>
346</dd>
347</li>
348<dt><strong><a name="item_matcher">matcher</a></strong>
349
350<dd>
128Uses per-line display filtering (<code>on_line_update</code>) to underline urls. 351<p>Uses per-line display filtering (<code>on_line_update</code>) to underline text
352matching a certain pattern and make it clickable. When clicked with the
353mouse button specified in the <code>matcher.button</code> resource (default 2, or
354middle), the program specified in the <code>matcher.launcher</code> resource
355(default, the <code>urlLauncher</code> resource, <code>sensible-browser</code>) will be started
356with the matched text as first argument. The default configuration is
357suitable for matching URLs and launching a web browser, like the
358former ``mark-urls'' extension.</p>
359</dd>
129</dd> 360<dd>
130<p></p> 361<p>The default pattern to match URLs can be overridden with the
362<code>matcher.pattern.0</code> resource, and additional patterns can be specified
363with numbered patterns, in a manner similar to the ``selection'' extension.
364The launcher can also be overridden on a per-pattern basis.</p>
365</dd>
366<dd>
367<p>Example configuration:</p>
368</dd>
369<dd>
370<pre>
371 URxvt.perl-ext: default,matcher
372 URxvt.urlLauncher: sensible-browser
373 URxvt.matcher.button: 1
374 URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&amp;@#-]*[\\w/-]
375 URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
376 URxvt.matcher.launcher.2: gvim +$2 $1</pre>
377</dd>
378</li>
379<dt><strong><a name="item_xim_2donthespot">xim-onthespot</a></strong>
380
381<dd>
382<p>This (experimental) perl extension implements OnTheSpot editing. It does
383not work perfectly, and some input methods don't seem to work well with
384OnTheSpot editing in general, but it seems to work at leats for SCIM and
385kinput2.</p>
386</dd>
387<dd>
388<p>You enable it by specifying this extension and a preedit style of
389<code>OnTheSpot</code>, i.e.:</p>
390</dd>
391<dd>
392<pre>
393 rxvt -pt OnTheSpot -pe xim-onthespot</pre>
394</dd>
395</li>
396<dt><strong><a name="item_kuake_3chotkey_3e">kuake&lt;hotkey&gt;</a></strong>
397
398<dd>
399<p>A very primitive quake-console-like extension. It was inspired by a
400description of how the programs <code>kuake</code> and <code>yakuake</code> work: Whenever the
401user presses a global accelerator key (by default <code>F10</code>), the terminal
402will show or hide itself. Another press of the accelerator key will hide
403or show it again.</p>
404</dd>
405<dd>
406<p>Initially, the window will not be shown when using this extension.</p>
407</dd>
408<dd>
409<p>This is useful if you need a single terminal thats not using any desktop
410space most of the time but is quickly available at the press of a key.</p>
411</dd>
412<dd>
413<p>The accelerator key is grabbed regardless of any modifiers, so this
414extension will actually grab a physical key just for this function.</p>
415</dd>
416<dd>
417<p>If you want a quake-like animation, tell your window manager to do so
418(fvwm can do it).</p>
419</dd>
420</li>
421<dt><strong><a name="item_automove_2dbackground">automove-background</a></strong>
422
423<dd>
424<p>This is basically a very small extension that dynamically changes the
425background pixmap offset to the window position, in effect creating the
426same effect as pseudo transparency with a custom pixmap. No scaling is
427supported in this mode. Example:</p>
428</dd>
429<dd>
430<pre>
431 rxvt -pixmap background.xpm -pe automove-background</pre>
432</dd>
433</li>
131<dt><strong><a name="item_block_2dgraphics_2dto_2dascii">block-graphics-to-ascii</a></strong><br /> 434<dt><strong><a name="item_block_2dgraphics_2dto_2dascii">block-graphics-to-ascii</a></strong>
132</dt> 435
133<dd> 436<dd>
134A not very useful example of filtering all text output to the terminal, 437<p>A not very useful example of filtering all text output to the terminal
135by replacing all line-drawing characters (U+2500 .. U+259F) by a 438by replacing all line-drawing characters (U+2500 .. U+259F) by a
136similar-looking ascii character. 439similar-looking ascii character.</p>
440</dd>
441</li>
442<dt><strong><a name="item_digital_2dclock">digital-clock</a></strong>
443
137</dd> 444<dd>
138<p></p> 445<p>Displays a digital clock using the built-in overlay.</p>
446</dd>
447</li>
448<dt><strong><a name="item_remote_2dclipboard">remote-clipboard</a></strong>
449
450<dd>
451<p>Somewhat of a misnomer, this extension adds two menu entries to the
452selection popup that allows one ti run external commands to store the
453selection somewhere and fetch it again.</p>
454</dd>
455<dd>
456<p>We use it to implement a ``distributed selection mechanism'', which just
457means that one command uploads the file to a remote server, and another
458reads it.</p>
459</dd>
460<dd>
461<p>The commands can be set using the <code>URxvt.remote-selection.store</code> and
462<code>URxvt.remote-selection.fetch</code> resources. The first should read the
463selection to store from STDIN (always in UTF-8), the second should provide
464the selection data on STDOUT (also in UTF-8).</p>
465</dd>
466<dd>
467<p>The defaults (which are likely useless to you) use rsh and cat:</p>
468</dd>
469<dd>
470<pre>
471 URxvt.remote-selection.store: rsh ruth 'cat &gt;/tmp/distributed-selection'
472 URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'</pre>
473</dd>
474</li>
475<dt><strong><a name="item_selection_2dpastebin">selection-pastebin</a></strong>
476
477<dd>
478<p>This is a little rarely useful extension that Uploads the selection as
479textfile to a remote site (or does other things). (The implementation is
480not currently secure for use in a multiuser environment as it writes to
481<em>/tmp</em> directly.).</p>
482</dd>
483<dd>
484<p>It listens to the <code>selection-pastebin:remote-pastebin</code> keyboard command,
485i.e.</p>
486</dd>
487<dd>
488<pre>
489 URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin</pre>
490</dd>
491<dd>
492<p>Pressing this combination runs a command with <code>%</code> replaced by the name of
493the textfile. This command can be set via a resource:</p>
494</dd>
495<dd>
496<pre>
497 URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.</pre>
498</dd>
499<dd>
500<p>And the default is likely not useful to anybody but the few people around
501here :)</p>
502</dd>
503<dd>
504<p>The name of the textfile is the hex encoded md5 sum of the selection, so
505the same content should lead to the same filename.</p>
506</dd>
507<dd>
508<p>After a successful upload the selection will be replaced by the text given
509in the <code>selection-pastebin-url</code> resource (again, the % is the placeholder
510for the filename):</p>
511</dd>
512<dd>
513<pre>
514 URxvt.selection-pastebin.url: <a href="http://www.ta-sa.org/files/txt/%">http://www.ta-sa.org/files/txt/%</a></pre>
515</dd>
516<dd>
517<p><em>Note to xrdb users:</em> xrdb uses the C preprocessor, which might interpret
518the double <code>/</code> characters as comment start. Use <code>\057\057</code> instead,
519which works regardless of wether xrdb is used to parse the resource file
520or not.</p>
521</dd>
522</li>
523<dt><strong><a name="item_macosx_2dclipboard">macosx-clipboard</a></strong>
524
525<dd>
526<p>An extension for use on Mac OS X that enabled rxvt to use the
527system clipboard by implementing two keyboard events.</p>
528</dd>
529<dd>
530<p>This example configuration enables the extension and binds the copy and
531paste functionality to Meta-C and Meta-V:</p>
532</dd>
533<dd>
534<pre>
535 URxvt.perl-ext-common: default,macosx-clipboard
536 URxvt.keysym.M-c: perl:macosx-clipboard:copy
537 URxvt.keysym.M-v: perl:macosx-clipboard:paste</pre>
538</dd>
539</li>
139<dt><strong><a name="item_example_2drefresh_2dhooks">example-refresh-hooks</a></strong><br /> 540<dt><strong><a name="item_example_2drefresh_2dhooks">example-refresh-hooks</a></strong>
140</dt> 541
141<dd> 542<dd>
142Displays a very simple digital clock in the upper right corner of the 543<p>Displays a very simple digital clock in the upper right corner of the
143window. Illustrates overwriting the refresh callbacks to create your own 544window. Illustrates overwriting the refresh callbacks to create your own
144overlays or changes. 545overlays or changes.</p>
546</dd>
547</li>
145</dd> 548</dl>
146<p></p></dl> 549<p>
550</p>
551<hr />
552<h1><a name="api_documentation">API DOCUMENTATION</a></h1>
147<p> 553<p>
148</p> 554</p>
149<h2><a name="general_api_considerations">General API Considerations</a></h2> 555<h2><a name="general_api_considerations">General API Considerations</a></h2>
150<p>All objects (such as terminals, time watchers etc.) are typical 556<p>All objects (such as terminals, time watchers etc.) are typical
151reference-to-hash objects. The hash can be used to store anything you 557reference-to-hash objects. The hash can be used to store anything you
… …
157the like inside the terminal object so they get destroyed as soon as the 563the like inside the terminal object so they get destroyed as soon as the
158terminal is destroyed.</p> 564terminal is destroyed.</p>
159<p>Argument names also often indicate the type of a parameter. Here are some 565<p>Argument names also often indicate the type of a parameter. Here are some
160hints on what they mean:</p> 566hints on what they mean:</p>
161<dl> 567<dl>
162<dt><strong><a name="item__24text">$text</a></strong><br /> 568<dt><strong><a name="item__text">$text</a></strong>
163</dt> 569
164<dd> 570<dd>
165Rxvt-unicodes special way of encoding text, where one ``unicode'' character 571<p>Rxvt-unicodes special way of encoding text, where one ``unicode'' character
166always represents one screen cell. See <em>row_t</em> for a discussion of this format. 572always represents one screen cell. See <a href="#item_row_t">ROW_t</a> for a discussion of this format.</p>
167</dd> 573</dd>
168<p></p> 574</li>
169<dt><strong><a name="item__24string">$string</a></strong><br /> 575<dt><strong><a name="item__string">$string</a></strong>
170</dt> 576
171<dd> 577<dd>
172A perl text string, with an emphasis on <em>text</em>. It can store all unicode 578<p>A perl text string, with an emphasis on <em>text</em>. It can store all unicode
173characters and is to be distinguished with text encoded in a specific 579characters and is to be distinguished with text encoded in a specific
174encoding (often locale-specific) and binary data. 580encoding (often locale-specific) and binary data.</p>
175</dd> 581</dd>
176<p></p> 582</li>
177<dt><strong><a name="item__24octets">$octets</a></strong><br /> 583<dt><strong><a name="item__octets">$octets</a></strong>
178</dt> 584
179<dd> 585<dd>
180Either binary data or - more common - a text string encoded in a 586<p>Either binary data or - more common - a text string encoded in a
181locale-specific way. 587locale-specific way.</p>
588</dd>
589</li>
590</dl>
591<p>
592</p>
593<h2><a name="extension_objects">Extension Objects</a></h2>
594<p>Every perl extension is a perl class. A separate perl object is created
595for each terminal, and each terminal has its own set of extenion objects,
596which are passed as the first parameter to hooks. So extensions can use
597their <code>$self</code> object without having to think about clashes with other
598extensions or other terminals, with the exception of methods and members
599that begin with an underscore character <code>_</code>: these are reserved for
600internal use.</p>
601<p>Although it isn't a <code>urxvt::term</code> object, you can call all methods of the
602<code>urxvt::term</code> class on this object.</p>
603<p>It has the following methods and data members:</p>
604<dl>
605<dt><strong><a name="item__urxvt_term">$urxvt_term = $self-&gt;{term}</a></strong>
606
182</dd> 607<dd>
183<p></p></dl> 608<p>Returns the <code>urxvt::term</code> object associated with this instance of the
609extension. This member <em>must not</em> be changed in any way.</p>
610</dd>
611</li>
612<dt><strong><a name="item_enable">$self-&gt;enable ($hook_name =&gt; $cb, [$hook_name =&gt; $cb..])</a></strong>
613
614<dd>
615<p>Dynamically enable the given hooks (named without the <code>on_</code> prefix) for
616this extension, replacing any previous hook. This is useful when you want
617to overwrite time-critical hooks only temporarily.</p>
618</dd>
619</li>
620<dt><strong><a name="item_disable">$self-&gt;disable ($hook_name[, $hook_name..])</a></strong>
621
622<dd>
623<p>Dynamically disable the given hooks.</p>
624</dd>
625</li>
626</dl>
184<p> 627<p>
185</p> 628</p>
186<h2><a name="hooks">Hooks</a></h2> 629<h2><a name="hooks">Hooks</a></h2>
187<p>The following subroutines can be declared in extension files, and will be 630<p>The following subroutines can be declared in extension files, and will be
188called whenever the relevant event happens.</p> 631called whenever the relevant event happens.</p>
189<p>The first argument passed to them is an object private to each terminal 632<p>The first argument passed to them is an extension object as described in
190and extension package. You can call all <code>urxvt::term</code> methods on it, but 633the in the <code>Extension Objects</code> section.</p>
191its not a real <code>urxvt::term</code> object. Instead, the real <code>urxvt::term</code> 634<p><strong>All</strong> of these hooks must return a boolean value. If any of the called
192object that is shared between all packages is stored in the <code>term</code> 635hooks returns true, then the event counts as being <em>consumed</em>, and the
193member. It is, however, blessed intot he package of the extension script,
194so for all practical purposes you can treat an extension script as a class.</p>
195<p>All of them must return a boolean value. If it is true, then the event
196counts as being <em>consumed</em>, and the invocation of other hooks is skipped,
197and the relevant action might not be carried out by the C++ code.</p> 636relevant action might not be carried out by the C++ code.</p>
198<p>When in doubt, return a false value (preferably <code>()</code>).</p> 637<p><em>When in doubt, return a false value (preferably <code>()</code>). </em>&gt;</p>
199<dl> 638<dl>
200<dt><strong><a name="item_on_init__24term">on_init $term</a></strong><br /> 639<dt><strong><a name="item_on_init__24term">on_init $term</a></strong>
201</dt> 640
202<dd> 641<dd>
203Called after a new terminal object has been initialized, but before 642<p>Called after a new terminal object has been initialized, but before
204windows are created or the command gets run. Most methods are unsafe to 643windows are created or the command gets run. Most methods are unsafe to
205call or deliver senseless data, as terminal size and other characteristics 644call or deliver senseless data, as terminal size and other characteristics
206have not yet been determined. You can safely query and change resources, 645have not yet been determined. You can safely query and change resources
207though. 646and options, though. For many purposes the <code>on_start</code> hook is a better
647place.</p>
648</dd>
649</li>
650<dt><strong><a name="item_on_start__24term">on_start $term</a></strong>
651
208</dd> 652<dd>
209<p></p> 653<p>Called at the very end of initialisation of a new terminal, just before
654trying to map (display) the toplevel and returning to the main loop.</p>
655</dd>
656</li>
657<dt><strong><a name="item_on_destroy__24term">on_destroy $term</a></strong>
658
659<dd>
660<p>Called whenever something tries to destroy terminal, when the terminal is
661still fully functional (not for long, though).</p>
662</dd>
663</li>
210<dt><strong><a name="item_on_reset__24term">on_reset $term</a></strong><br /> 664<dt><strong><a name="item_on_reset__24term">on_reset $term</a></strong>
211</dt> 665
212<dd> 666<dd>
213Called after the screen is ``reset'' for any reason, such as resizing or 667<p>Called after the screen is ``reset'' for any reason, such as resizing or
214control sequences. Here is where you can react on changes to size-related 668control sequences. Here is where you can react on changes to size-related
215variables. 669variables.</p>
216</dd>
217<p></p>
218<dt><strong><a name="item_on_start__24term">on_start $term</a></strong><br />
219</dt>
220<dd> 670</dd>
221Called at the very end of initialisation of a new terminal, just before 671</li>
222returning to the mainloop. 672<dt><strong><a name="item_on_child_start__24term_2c__24pid">on_child_start $term, $pid</a></strong>
673
223</dd> 674<dd>
224<p></p> 675<p>Called just after the child process has been <code>fork</code>ed.</p>
676</dd>
677</li>
678<dt><strong><a name="item_on_child_exit__24term_2c__24status">on_child_exit $term, $status</a></strong>
679
680<dd>
681<p>Called just after the child process has exited. <code>$status</code> is the status
682from <code>waitpid</code>.</p>
683</dd>
684</li>
225<dt><strong><a name="item_on_sel_make__24term_2c__24eventtime">on_sel_make $term, $eventtime</a></strong><br /> 685<dt><strong><a name="item_on_sel_make__24term_2c__24eventtime">on_sel_make $term, $eventtime</a></strong>
226</dt> 686
227<dd> 687<dd>
228Called whenever a selection has been made by the user, but before the 688<p>Called whenever a selection has been made by the user, but before the
229selection text is copied, so changes to the beginning, end or type of the 689selection text is copied, so changes to the beginning, end or type of the
230selection will be honored. 690selection will be honored.</p>
231</dd> 691</dd>
232<dd> 692<dd>
233<p>Returning a true value aborts selection making by urxvt, in which case you 693<p>Returning a true value aborts selection making by urxvt, in which case you
234have to make a selection yourself by calling <a href="#item_selection_grab"><code>$term-&gt;selection_grab</code></a>.</p> 694have to make a selection yourself by calling <a href="#item_selection_grab"><code>$term-&gt;selection_grab</code></a>.</p>
235</dd> 695</dd>
236<p></p> 696</li>
237<dt><strong><a name="item_on_sel_grab__24term_2c__24eventtime">on_sel_grab $term, $eventtime</a></strong><br /> 697<dt><strong><a name="item_on_sel_grab__24term_2c__24eventtime">on_sel_grab $term, $eventtime</a></strong>
238</dt> 698
239<dd> 699<dd>
240Called whenever a selection has been copied, but before the selection is 700<p>Called whenever a selection has been copied, but before the selection is
241requested from the server. The selection text can be queried and changed 701requested from the server. The selection text can be queried and changed
242by calling <a href="#item_selection"><code>$term-&gt;selection</code></a>. 702by calling <a href="#item_selection"><code>$term-&gt;selection</code></a>.</p>
243</dd>
244<dd> 703</dd>
704<dd>
245<p>Returning a true value aborts selection grabbing. It will still be hilighted.</p> 705<p>Returning a true value aborts selection grabbing. It will still be highlighted.</p>
246</dd> 706</dd>
247<p></p> 707</li>
248<dt><strong><a name="item_on_sel_extend__24term">on_sel_extend $term</a></strong><br /> 708<dt><strong><a name="item_on_sel_extend__24term">on_sel_extend $term</a></strong>
249</dt> 709
250<dd> 710<dd>
251Called whenever the user tries to extend the selection (e.g. with a double 711<p>Called whenever the user tries to extend the selection (e.g. with a double
252click) and is either supposed to return false (normal operation), or 712click) and is either supposed to return false (normal operation), or
253should extend the selection itelf and return true to suppress the built-in 713should extend the selection itself and return true to suppress the built-in
254processing. 714processing. This can happen multiple times, as long as the callback
715returns true, it will be called on every further click by the user and is
716supposed to enlarge the selection more and more, if possible.</p>
255</dd> 717</dd>
256<dd> 718<dd>
257<p>See the <em>selection</em> example extension.</p> 719<p>See the <em>selection</em> example extension.</p>
258</dd> 720</dd>
259<p></p> 721</li>
260<dt><strong><a name="item_on_view_change__24term_2c__24offset">on_view_change $term, $offset</a></strong><br /> 722<dt><strong><a name="item_on_view_change__24term_2c__24offset">on_view_change $term, $offset</a></strong>
261</dt> 723
262<dd> 724<dd>
263Called whenever the view offset changes, i..e the user or program 725<p>Called whenever the view offset changes, i.e. the user or program
264scrolls. Offset <code>0</code> means display the normal terminal, positive values 726scrolls. Offset <code>0</code> means display the normal terminal, positive values
265show this many lines of scrollback. 727show this many lines of scrollback.</p>
266</dd> 728</dd>
267<p></p> 729</li>
268<dt><strong><a name="item_on_scroll_back__24term_2c__24lines_2c__24saved">on_scroll_back $term, $lines, $saved</a></strong><br /> 730<dt><strong><a name="item_on_scroll_back__24term_2c__24lines_2c__24saved">on_scroll_back $term, $lines, $saved</a></strong>
269</dt> 731
270<dd> 732<dd>
271Called whenever lines scroll out of the terminal area into the scrollback 733<p>Called whenever lines scroll out of the terminal area into the scrollback
272buffer. <code>$lines</code> is the number of lines scrolled out and may be larger 734buffer. <code>$lines</code> is the number of lines scrolled out and may be larger
273than the scroll back buffer or the terminal. 735than the scroll back buffer or the terminal.</p>
274</dd> 736</dd>
275<dd> 737<dd>
276<p>It is called before lines are scrolled out (so rows 0 .. min ($lines - 1, 738<p>It is called before lines are scrolled out (so rows 0 .. min ($lines - 1,
277$nrow - 1) represent the lines to be scrolled out). <code>$saved</code> is the total 739$nrow - 1) represent the lines to be scrolled out). <code>$saved</code> is the total
278number of lines that will be in the scrollback buffer.</p> 740number of lines that will be in the scrollback buffer.</p>
279</dd> 741</dd>
280<p></p> 742</li>
743<dt><strong><a name="item_on_osc_seq__24term_2c__24op_2c__24args">on_osc_seq $term, $op, $args</a></strong>
744
745<dd>
746<p>Called on every OSC sequence and can be used to suppress it or modify its
747behaviour. The default should be to return an empty list. A true value
748suppresses execution of the request completely. Make sure you don't get
749confused by recursive invocations when you output an osc sequence within
750this callback.</p>
751</dd>
752<dd>
753<p><code>on_osc_seq_perl</code> should be used for new behaviour.</p>
754</dd>
755</li>
281<dt><strong><a name="item_on_osc_seq__24term_2c__24string">on_osc_seq $term, $string</a></strong><br /> 756<dt><strong><a name="item_on_osc_seq_perl__24term_2c__24string">on_osc_seq_perl $term, $string</a></strong>
282</dt> 757
283<dd> 758<dd>
284Called whenever the <strong>ESC ] 777 ; string ST</strong> command sequence (OSC = 759<p>Called whenever the <strong>ESC ] 777 ; string ST</strong> command sequence (OSC =
285operating system command) is processed. Cursor position and other state 760operating system command) is processed. Cursor position and other state
286information is up-to-date when this happens. For interoperability, the 761information is up-to-date when this happens. For interoperability, the
287string should start with the extension name and a colon, to distinguish 762string should start with the extension name and a colon, to distinguish
288it from commands for other extensions, and this might be enforced in the 763it from commands for other extensions, and this might be enforced in the
289future. 764future.</p>
290</dd> 765</dd>
291<dd> 766<dd>
292<p>Be careful not ever to trust (in a security sense) the data you receive, 767<p>Be careful not ever to trust (in a security sense) the data you receive,
293as its source can not easily be controleld (e-mail content, messages from 768as its source can not easily be controlled (e-mail content, messages from
294other users on the same system etc.).</p> 769other users on the same system etc.).</p>
295</dd> 770</dd>
296<p></p> 771</li>
297<dt><strong><a name="item_on_add_lines__24term_2c__24string">on_add_lines $term, $string</a></strong><br /> 772<dt><strong><a name="item_on_add_lines__24term_2c__24string">on_add_lines $term, $string</a></strong>
298</dt> 773
299<dd> 774<dd>
300Called whenever text is about to be output, with the text as argument. You 775<p>Called whenever text is about to be output, with the text as argument. You
301can filter/change and output the text yourself by returning a true value 776can filter/change and output the text yourself by returning a true value
302and calling <a href="#item_scr_add_lines"><code>$term-&gt;scr_add_lines</code></a> yourself. Please note that this 777and calling <a href="#item_scr_add_lines"><code>$term-&gt;scr_add_lines</code></a> yourself. Please note that this
303might be very slow, however, as your hook is called for <strong>all</strong> text being 778might be very slow, however, as your hook is called for <strong>all</strong> text being
304output. 779output.</p>
780</dd>
781</li>
782<dt><strong><a name="item_on_tt_write__24term_2c__24octets">on_tt_write $term, $octets</a></strong>
783
305</dd> 784<dd>
306<p></p> 785<p>Called whenever some data is written to the tty/pty and can be used to
786suppress or filter tty input.</p>
787</dd>
788</li>
307<dt><strong><a name="item_on_line_update__24term_2c__24row">on_line_update $term, $row</a></strong><br /> 789<dt><strong><a name="item_on_line_update__24term_2c__24row">on_line_update $term, $row</a></strong>
308</dt> 790
309<dd> 791<dd>
310Called whenever a line was updated or changed. Can be used to filter 792<p>Called whenever a line was updated or changed. Can be used to filter
311screen output (e.g. underline urls or other useless stuff). Only lines 793screen output (e.g. underline urls or other useless stuff). Only lines
312that are being shown will be filtered, and, due to performance reasons, 794that are being shown will be filtered, and, due to performance reasons,
313not always immediately. 795not always immediately.</p>
314</dd> 796</dd>
315<dd> 797<dd>
316<p>The row number is always the topmost row of the line if the line spans 798<p>The row number is always the topmost row of the line if the line spans
317multiple rows.</p> 799multiple rows.</p>
318</dd> 800</dd>
319<dd> 801<dd>
320<p>Please note that, if you change the line, then the hook might get called 802<p>Please note that, if you change the line, then the hook might get called
321later with the already-modified line (e.g. if unrelated parts change), so 803later with the already-modified line (e.g. if unrelated parts change), so
322you cannot just toggle rendition bits, but only set them.</p> 804you cannot just toggle rendition bits, but only set them.</p>
323</dd> 805</dd>
324<p></p> 806</li>
325<dt><strong><a name="item_on_refresh_begin__24term">on_refresh_begin $term</a></strong><br /> 807<dt><strong><a name="item_on_refresh_begin__24term">on_refresh_begin $term</a></strong>
326</dt> 808
327<dd> 809<dd>
328Called just before the screen gets redrawn. Can be used for overlay 810<p>Called just before the screen gets redrawn. Can be used for overlay
329or similar effects by modify terminal contents in refresh_begin, and 811or similar effects by modify terminal contents in refresh_begin, and
330restoring them in refresh_end. The built-in overlay and selection display 812restoring them in refresh_end. The built-in overlay and selection display
331code is run after this hook, and takes precedence. 813code is run after this hook, and takes precedence.</p>
332</dd> 814</dd>
333<p></p> 815</li>
334<dt><strong><a name="item_on_refresh_end__24term">on_refresh_end $term</a></strong><br /> 816<dt><strong><a name="item_on_refresh_end__24term">on_refresh_end $term</a></strong>
335</dt> 817
336<dd> 818<dd>
337Called just after the screen gets redrawn. See <code>on_refresh_begin</code>. 819<p>Called just after the screen gets redrawn. See <code>on_refresh_begin</code>.</p>
338</dd> 820</dd>
339<p></p> 821</li>
340<dt><strong><a name="item_on_keyboard_command__24term_2c__24string">on_keyboard_command $term, $string</a></strong><br /> 822<dt><strong><a name="item_on_user_command__24term_2c__24string">on_user_command $term, $string</a></strong>
341</dt> 823
342<dd> 824<dd>
343Called whenever the user presses a key combination that has a 825<p>Called whenever a user-configured event is being activated (e.g. via
344<code>perl:string</code> action bound to it (see description of the <strong>keysym</strong> 826a <code>perl:string</code> action bound to a key, see description of the <strong>keysym</strong>
345resource in the <code>rxvt(1)</code> manpage). 827resource in the <code>rxvt(1)</code> manpage).</p>
828</dd>
346</dd> 829<dd>
347<p></p> 830<p>The event is simply the action string. This interface is assumed to change
831slightly in the future.</p>
832</dd>
833</li>
834<dt><strong><a name="item_on_resize_all_windows__24tern_2c__24new_width_2c__">on_resize_all_windows $tern, $new_width, $new_height</a></strong>
835
836<dd>
837<p>Called just after the new window size has been calculated, but before
838windows are actually being resized or hints are being set. If this hook
839returns TRUE, setting of the window hints is being skipped.</p>
840</dd>
841</li>
842<dt><strong><a name="item_on_x_event__24term_2c__24event">on_x_event $term, $event</a></strong>
843
844<dd>
845<p>Called on every X event received on the vt window (and possibly other
846windows). Should only be used as a last resort. Most event structure
847members are not passed.</p>
848</dd>
849</li>
850<dt><strong><a name="item_on_root_event__24term_2c__24event">on_root_event $term, $event</a></strong>
851
852<dd>
853<p>Like <code>on_x_event</code>, but is called for events on the root window.</p>
854</dd>
855</li>
348<dt><strong><a name="item_on_focus_in__24term">on_focus_in $term</a></strong><br /> 856<dt><strong><a name="item_on_focus_in__24term">on_focus_in $term</a></strong>
349</dt> 857
350<dd> 858<dd>
351Called whenever the window gets the keyboard focus, before rxvt-unicode 859<p>Called whenever the window gets the keyboard focus, before rxvt-unicode
352does focus in processing. 860does focus in processing.</p>
353</dd> 861</dd>
354<p></p> 862</li>
355<dt><strong><a name="item_on_focus_out__24term">on_focus_out $term</a></strong><br /> 863<dt><strong><a name="item_on_focus_out__24term">on_focus_out $term</a></strong>
356</dt> 864
357<dd> 865<dd>
358Called wheneever the window loses keyboard focus, before rxvt-unicode does 866<p>Called whenever the window loses keyboard focus, before rxvt-unicode does
359focus out processing. 867focus out processing.</p>
360</dd> 868</dd>
361<p></p> 869</li>
870<dt><strong><a name="item_on_configure_notify__24term_2c__24event">on_configure_notify $term, $event</a></strong>
871
872<dt><strong><a name="item_on_property_notify__24term_2c__24event">on_property_notify $term, $event</a></strong>
873
362<dt><strong><a name="item_on_key_press__24term_2c__24event_2c__24octets">on_key_press $term, $event, $octets</a></strong><br /> 874<dt><strong><a name="item_on_key_press__24term_2c__24event_2c__24keysym_2c__">on_key_press $term, $event, $keysym, $octets</a></strong>
363</dt> 875
364<dt><strong><a name="item_on_key_release__24term_2c__24event">on_key_release $term, $event</a></strong><br /> 876<dt><strong><a name="item_on_key_release__24term_2c__24event_2c__24keysym">on_key_release $term, $event, $keysym</a></strong>
365</dt> 877
366<dt><strong><a name="item_on_button_press__24term_2c__24event">on_button_press $term, $event</a></strong><br /> 878<dt><strong><a name="item_on_button_press__24term_2c__24event">on_button_press $term, $event</a></strong>
367</dt> 879
368<dt><strong><a name="item_on_button_release__24term_2c__24event">on_button_release $term, $event</a></strong><br /> 880<dt><strong><a name="item_on_button_release__24term_2c__24event">on_button_release $term, $event</a></strong>
369</dt> 881
370<dt><strong><a name="item_on_motion_notify__24term_2c__24event">on_motion_notify $term, $event</a></strong><br /> 882<dt><strong><a name="item_on_motion_notify__24term_2c__24event">on_motion_notify $term, $event</a></strong>
371</dt> 883
372<dt><strong><a name="item_on_map_notify__24term_2c__24event">on_map_notify $term, $event</a></strong><br /> 884<dt><strong><a name="item_on_map_notify__24term_2c__24event">on_map_notify $term, $event</a></strong>
373</dt> 885
374<dt><strong><a name="item_on_unmap_notify__24term_2c__24event">on_unmap_notify $term, $event</a></strong><br /> 886<dt><strong><a name="item_on_unmap_notify__24term_2c__24event">on_unmap_notify $term, $event</a></strong>
375</dt> 887
376<dd> 888<dd>
377Called whenever the corresponding X event is received for the terminal If 889<p>Called whenever the corresponding X event is received for the terminal If
378the hook returns true, then the even will be ignored by rxvt-unicode. 890the hook returns true, then the even will be ignored by rxvt-unicode.</p>
379</dd> 891</dd>
380<dd> 892<dd>
381<p>The event is a hash with most values as named by Xlib (see the XEvent 893<p>The event is a hash with most values as named by Xlib (see the XEvent
382manpage), with the additional members <code>row</code> and <code>col</code>, which are the row 894manpage), with the additional members <code>row</code> and <code>col</code>, which are the
383and column under the mouse cursor.</p> 895(real, not screen-based) row and column under the mouse cursor.</p>
384</dd> 896</dd>
385<dd> 897<dd>
386<p><code>on_key_press</code> additionally receives the string rxvt-unicode would 898<p><code>on_key_press</code> additionally receives the string rxvt-unicode would
387output, if any, in locale-specific encoding.</p> 899output, if any, in locale-specific encoding.</p>
388</dd> 900</dd>
389<dd> 901<dd>
390<p>subwindow.</p> 902<p>subwindow.</p>
391</dd> 903</dd>
392<p></p></dl> 904</li>
905<dt><strong><a name="item_on_client_message__24term_2c__24event">on_client_message $term, $event</a></strong>
906
907<dt><strong><a name="item_on_wm_protocols__24term_2c__24event">on_wm_protocols $term, $event</a></strong>
908
909<dt><strong><a name="item_on_wm_delete_window__24term_2c__24event">on_wm_delete_window $term, $event</a></strong>
910
911<dd>
912<p>Called when various types of ClientMessage events are received (all with
913format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).</p>
914</dd>
915</li>
916</dl>
393<p> 917<p>
394</p> 918</p>
395<h2><a name="variables_in_the_urxvt_package">Variables in the <code>urxvt</code> Package</a></h2> 919<h2><a name="variables_in_the_urxvt_package">Variables in the <code>urxvt</code> Package</a></h2>
396<dl> 920<dl>
921<dt><strong><a name="item__urxvt__libdir">$urxvt::LIBDIR</a></strong>
922
923<dd>
924<p>The rxvt-unicode library directory, where, among other things, the perl
925modules and scripts are stored.</p>
926</dd>
927</li>
928<dt><strong><a name="item__urxvt__resclass_">$urxvt::RESCLASS, $urxvt::RESCLASS</a></strong>
929
930<dd>
931<p>The resource class and name rxvt-unicode uses to look up X resources.</p>
932</dd>
933</li>
934<dt><strong><a name="item__urxvt__rxvtname">$urxvt::RXVTNAME</a></strong>
935
936<dd>
937<p>The basename of the installed binaries, usually <code>urxvt</code>.</p>
938</dd>
939</li>
397<dt><strong><a name="item__24urxvt_3a_3aterm">$urxvt::TERM</a></strong><br /> 940<dt><strong><a name="item__urxvt__term">$urxvt::TERM</a></strong>
398</dt> 941
399<dd> 942<dd>
400The current terminal. This variable stores the current <code>urxvt::term</code> 943<p>The current terminal. This variable stores the current <code>urxvt::term</code>
401object, whenever a callback/hook is executing. 944object, whenever a callback/hook is executing.</p>
945</dd>
946</li>
947<dt><strong><a name="item__urxvt__term_init">@urxvt::TERM_INIT</a></strong>
948
402</dd> 949<dd>
403<p></p></dl> 950<p>All code references in this array will be called as methods of the next newly
951created <code>urxvt::term</code> object (during the <code>on_init</code> phase). The array
952gets cleared before the code references that were in it are being executed,
953so references can push themselves onto it again if they so desire.</p>
954</dd>
955<dd>
956<p>This complements to the perl-eval command line option, but gets executed
957first.</p>
958</dd>
959</li>
960<dt><strong><a name="item__urxvt__term_ext">@urxvt::TERM_EXT</a></strong>
961
962<dd>
963<p>Works similar to <code>@TERM_INIT</code>, but contains perl package/class names, which
964get registered as normal extensions after calling the hooks in <code>@TERM_INIT</code>
965but before other extensions. Gets cleared just like <code>@TERM_INIT</code>.</p>
966</dd>
967</li>
968</dl>
404<p> 969<p>
405</p> 970</p>
406<h2><a name="functions_in_the_urxvt_package">Functions in the <code>urxvt</code> Package</a></h2> 971<h2><a name="functions_in_the_urxvt_package">Functions in the <code>urxvt</code> Package</a></h2>
407<dl> 972<dl>
408<dt><strong><a name="item__24term__3d_new_urxvt__5barg_2e_2e_2e_5d">$term = new urxvt [arg...]</a></strong><br />
409</dt>
410<dd>
411Creates a new terminal, very similar as if you had started it with
412<code>system $binfile, arg...</code>. Croaks (and probably outputs an error message)
413if the new instance couldn't be created. Returns <code>undef</code> if the new
414instance didn't initialise perl, and the terminal object otherwise. The
415<code>init</code> and <a href="#item_start"><code>start</code></a> hooks will be called during the call.
416</dd>
417<p></p>
418<dt><strong><a name="item_urxvt_3a_3afatal__24errormessage">urxvt::fatal $errormessage</a></strong><br /> 973<dt><strong><a name="item_urxvt_3a_3afatal__24errormessage">urxvt::fatal $errormessage</a></strong>
419</dt> 974
420<dd> 975<dd>
421Fatally aborts execution with the given error message. Avoid at all 976<p>Fatally aborts execution with the given error message. Avoid at all
422costs! The only time this is acceptable is when the terminal process 977costs! The only time this is acceptable is when the terminal process
423starts up. 978starts up.</p>
424</dd> 979</dd>
425<p></p> 980</li>
426<dt><strong><a name="item_urxvt_3a_3awarn__24string">urxvt::warn $string</a></strong><br /> 981<dt><strong><a name="item_urxvt_3a_3awarn__24string">urxvt::warn $string</a></strong>
427</dt> 982
428<dd> 983<dd>
429Calls <code>rxvt_warn</code> with the given string which should not include a 984<p>Calls <code>rxvt_warn</code> with the given string which should not include a
430newline. The module also overwrites the <code>warn</code> builtin with a function 985newline. The module also overwrites the <code>warn</code> builtin with a function
431that calls this function. 986that calls this function.</p>
432</dd> 987</dd>
433<dd> 988<dd>
434<p>Using this function has the advantage that its output ends up in the 989<p>Using this function has the advantage that its output ends up in the
435correct place, e.g. on stderr of the connecting urxvtc client.</p> 990correct place, e.g. on stderr of the connecting urxvtc client.</p>
436</dd> 991</dd>
437<p></p> 992<dd>
438<dt><strong><a name="item__24time__3d_urxvt_3a_3anow">$time = urxvt::NOW</a></strong><br /> 993<p>Messages have a size limit of 1023 bytes currently.</p>
439</dt>
440<dd> 994</dd>
995</li>
996<dt><strong><a name="item__terms">@terms = urxvt::termlist</a></strong>
997
998<dd>
999<p>Returns all urxvt::term objects that exist in this process, regardless of
1000whether they are started, being destroyed etc., so be careful. Only term
1001objects that have perl extensions attached will be returned (because there
1002is no urxvt::term objet associated with others).</p>
1003</dd>
1004</li>
1005<dt><strong><a name="item__time">$time = urxvt::NOW</a></strong>
1006
1007<dd>
441Returns the ``current time'' (as per the event loop). 1008<p>Returns the ``current time'' (as per the event loop).</p>
442</dd> 1009</dd>
443<p></p> 1010</li>
444<dt><strong><a name="item_urxvt_3a_3acurrenttime">urxvt::CurrentTime</a></strong><br /> 1011<dt><strong><a name="item_urxvt_3a_3acurrenttime">urxvt::CurrentTime</a></strong>
445</dt> 1012
446<dt><strong><a name="item_urxvt_3a_3ashiftmask_2c_lockmask_2c_controlmask_2c">urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, 1013<dt><strong><a name="item_urxvt_3a_3ashiftmask_2c_lockmask_2c_controlmask_2c">urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
447Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, 1014Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
448Button4Mask, Button5Mask, AnyModifier</a></strong><br /> 1015Button4Mask, Button5Mask, AnyModifier</a></strong>
449</dt> 1016
1017<dt><strong><a name="item_urxvt_3a_3anoeventmask_2c_keypressmask_2c_keyrelea">urxvt::NoEventMask, KeyPressMask, KeyReleaseMask,
1018ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask,
1019PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask,
1020Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask,
1021KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask,
1022ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask,
1023FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask</a></strong>
1024
1025<dt><strong><a name="item_urxvt_3a_3akeypress_2c_keyrelease_2c_buttonpress_2">urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify,
1026EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose,
1027GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify,
1028UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify,
1029ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify,
1030CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest,
1031SelectionNotify, ColormapNotify, ClientMessage, MappingNotify</a></strong>
1032
450<dd> 1033<dd>
451Various constants for use in X calls and event processing. 1034<p>Various constants for use in X calls and event processing.</p>
1035</dd>
1036</li>
452</dd> 1037</dl>
453<p></p></dl>
454<p> 1038<p>
455</p> 1039</p>
456<h2><a name="rendition">RENDITION</a></h2> 1040<h2><a name="rendition">RENDITION</a></h2>
457<p>Rendition bitsets contain information about colour, font, font styles and 1041<p>Rendition bitsets contain information about colour, font, font styles and
458similar information for each screen cell.</p> 1042similar information for each screen cell.</p>
459<p>The following ``macros'' deal with changes in rendition sets. You should 1043<p>The following ``macros'' deal with changes in rendition sets. You should
460never just create a bitset, you should always modify an existing one, 1044never just create a bitset, you should always modify an existing one,
461as they contain important information required for correct operation of 1045as they contain important information required for correct operation of
462rxvt-unicode.</p> 1046rxvt-unicode.</p>
463<dl> 1047<dl>
464<dt><strong><a name="item__24rend__3d_urxvt_3a_3adefault_rstyle">$rend = urxvt::DEFAULT_RSTYLE</a></strong><br /> 1048<dt><strong><a name="item__rend">$rend = urxvt::DEFAULT_RSTYLE</a></strong>
465</dt> 1049
466<dd> 1050<dd>
467Returns the default rendition, as used when the terminal is starting up or 1051<p>Returns the default rendition, as used when the terminal is starting up or
468being reset. Useful as a base to start when creating renditions. 1052being reset. Useful as a base to start when creating renditions.</p>
469</dd>
470<p></p>
471<dt><strong><a name="item__24rend__3d_urxvt_3a_3aoverlay_rstyle">$rend = urxvt::OVERLAY_RSTYLE</a></strong><br />
472</dt>
473<dd> 1053</dd>
1054</li>
1055<dt><strong>$rend = urxvt::OVERLAY_RSTYLE</strong>
1056
1057<dd>
474Return the rendition mask used for overlays by default. 1058<p>Return the rendition mask used for overlays by default.</p>
475</dd>
476<p></p>
477<dt><strong><a name="item__24rendbit__3d_urxvt_3a_3ars_bold_2c_rs_italic_2c_">$rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline</a></strong><br />
478</dt>
479<dd> 1059</dd>
1060</li>
1061<dt><strong><a name="item__rendbit">$rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline</a></strong>
1062
1063<dd>
480Return the bit that enabled bold, italic, blink, reverse-video and 1064<p>Return the bit that enabled bold, italic, blink, reverse-video and
481underline, respectively. To enable such a style, just logically OR it into 1065underline, respectively. To enable such a style, just logically OR it into
482the bitset. 1066the bitset.</p>
483</dd>
484<p></p>
485<dt><strong><a name="item__24foreground__3d_urxvt_3a_3aget_basefg__24rend">$foreground = urxvt::GET_BASEFG $rend</a></strong><br />
486</dt>
487<dt><strong><a name="item__24background__3d_urxvt_3a_3aget_basebg__24rend">$background = urxvt::GET_BASEBG $rend</a></strong><br />
488</dt>
489<dd> 1067</dd>
1068</li>
1069<dt><strong><a name="item__foreground">$foreground = urxvt::GET_BASEFG $rend</a></strong>
1070
1071<dt><strong><a name="item__background">$background = urxvt::GET_BASEBG $rend</a></strong>
1072
1073<dd>
490Return the foreground/background colour index, respectively. 1074<p>Return the foreground/background colour index, respectively.</p>
491</dd>
492<p></p>
493<dt><strong><a name="item_set_fgcolor">$rend = urxvt::SET_FGCOLOR ($rend, $new_colour)</a></strong><br />
494</dt>
495<dt><strong><a name="item_set_bgcolor">$rend = urxvt::SET_BGCOLOR ($rend, $new_colour)</a></strong><br />
496</dt>
497<dd> 1075</dd>
1076</li>
1077<dt><strong>$rend = urxvt::SET_FGCOLOR $rend, $new_colour</strong>
1078
1079<dt><strong>$rend = urxvt::SET_BGCOLOR $rend, $new_colour</strong>
1080
1081<dt><strong>$rend = urxvt::SET_COLOR $rend, $new_fg, $new_bg</strong>
1082
1083<dd>
498Replace the foreground/background colour in the rendition mask with the 1084<p>Replace the foreground/background colour in the rendition mask with the
499specified one. 1085specified one.</p>
500</dd>
501<p></p>
502<dt><strong><a name="item_get_custom">$value = urxvt::GET_CUSTOM ($rend)</a></strong><br />
503</dt>
504<dd> 1086</dd>
1087</li>
1088<dt><strong><a name="item__value">$value = urxvt::GET_CUSTOM $rend</a></strong>
1089
1090<dd>
505Return the ``custom'' value: Every rendition has 5 bits for use by 1091<p>Return the ``custom'' value: Every rendition has 5 bits for use by
506extensions. They can be set and changed as you like and are initially 1092extensions. They can be set and changed as you like and are initially
507zero. 1093zero.</p>
508</dd>
509<p></p>
510<dt><strong><a name="item_set_custom">$rend = urxvt::SET_CUSTOM ($rend, $new_value)</a></strong><br />
511</dt>
512<dd> 1094</dd>
513Change the custom value. 1095</li>
1096<dt><strong>$rend = urxvt::SET_CUSTOM $rend, $new_value</strong>
1097
514</dd> 1098<dd>
515<p></p></dl> 1099<p>Change the custom value.</p>
1100</dd>
1101</li>
1102</dl>
516<p> 1103<p>
517</p> 1104</p>
518<h2><a name="the_urxvt__anyevent_class">The <code>urxvt::anyevent</code> Class</a></h2> 1105<h2><a name="the_urxvt__anyevent_class">The <code>urxvt::anyevent</code> Class</a></h2>
519<p>The sole purpose of this class is to deliver an interface to the 1106<p>The sole purpose of this class is to deliver an interface to the
520<code>AnyEvent</code> module - any module using it will work inside urxvt without 1107<code>AnyEvent</code> module - any module using it will work inside urxvt without
521further work. The only exception is that you cannot wait on condition 1108further programming. The only exception is that you cannot wait on
522variables, but non-blocking condvar use is ok. What this means is that you 1109condition variables, but non-blocking condvar use is ok. What this means
523cannot use blocking APIs, but the non-blocking variant should work.</p> 1110is that you cannot use blocking APIs, but the non-blocking variant should
1111work.</p>
524<p> 1112<p>
525</p> 1113</p>
526<h2><a name="the_urxvt__term_class">The <code>urxvt::term</code> Class</a></h2> 1114<h2><a name="the_urxvt__term_class">The <code>urxvt::term</code> Class</a></h2>
527<dl> 1115<dl>
1116<dt><strong><a name="item__term">$term = new urxvt::term $envhashref, $rxvtname, [arg...]</a></strong>
1117
1118<dd>
1119<p>Creates a new terminal, very similar as if you had started it with system
1120<code>$rxvtname, arg...</code>. <code>$envhashref</code> must be a reference to a <code>%ENV</code>-like
1121hash which defines the environment of the new terminal.</p>
1122</dd>
1123<dd>
1124<p>Croaks (and probably outputs an error message) if the new instance
1125couldn't be created. Returns <code>undef</code> if the new instance didn't
1126initialise perl, and the terminal object otherwise. The <code>init</code> and
1127<a href="#item_start"><code>start</code></a> hooks will be called before this call returns, and are free to
1128refer to global data (which is race free).</p>
1129</dd>
1130</li>
528<dt><strong><a name="item_destroy">$term-&gt;destroy</a></strong><br /> 1131<dt><strong><a name="item_destroy">$term-&gt;destroy</a></strong>
529</dt> 1132
530<dd> 1133<dd>
531Destroy the terminal object (close the window, free resources etc.). 1134<p>Destroy the terminal object (close the window, free resources
1135etc.). Please note that rxvt will not exit as long as any event
1136watchers (timers, io watchers) are still active.</p>
1137</dd>
1138</li>
1139<dt><strong><a name="item_exec_async">$term-&gt;exec_async ($cmd[, @args])</a></strong>
1140
532</dd> 1141<dd>
533<p></p> 1142<p>Works like the combination of the <code>fork</code>/<code>exec</code> builtins, which executes
1143(``starts'') programs in the background. This function takes care of setting
1144the user environment before exec'ing the command (e.g. <code>PATH</code>) and should
1145be preferred over explicit calls to <code>exec</code> or <code>system</code>.</p>
1146</dd>
1147<dd>
1148<p>Returns the pid of the subprocess or <code>undef</code> on error.</p>
1149</dd>
1150</li>
534<dt><strong><a name="item_option">$isset = $term-&gt;option ($optval[, $set])</a></strong><br /> 1151<dt><strong><a name="item_option">$isset = $term-&gt;option ($optval[, $set])</a></strong>
535</dt> 1152
536<dd> 1153<dd>
537Returns true if the option specified by <code>$optval</code> is enabled, and 1154<p>Returns true if the option specified by <code>$optval</code> is enabled, and
538optionally change it. All option values are stored by name in the hash 1155optionally change it. All option values are stored by name in the hash
539<code>%urxvt::OPTION</code>. Options not enabled in this binary are not in the hash. 1156<code>%urxvt::OPTION</code>. Options not enabled in this binary are not in the hash.</p>
540</dd>
541<dd> 1157</dd>
1158<dd>
542<p>Here is a a likely non-exhaustive list of option names, please see the 1159<p>Here is a likely non-exhaustive list of option names, please see the
543source file <em>/src/optinc.h</em> to see the actual list:</p> 1160source file <em>/src/optinc.h</em> to see the actual list:</p>
544</dd> 1161</dd>
545<dd> 1162<dd>
546<pre> 1163<pre>
547 borderLess console cursorBlink cursorUnderline hold iconic insecure 1164 borderLess console cursorBlink cursorUnderline hold iconic insecure
548 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage 1165 intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage
549 pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating 1166 override-redirect pastableTabs pointerBlank reverseVideo scrollBar
550 scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer 1167 scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput
551 secondaryScreen secondaryScroll skipBuiltinGlyphs transparent 1168 scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs
552 tripleclickwords utmpInhibit visualBell</pre> 1169 transparent tripleclickwords utmpInhibit visualBell</pre>
553</dd> 1170</dd>
554<p></p> 1171</li>
555<dt><strong><a name="item_resource">$value = $term-&gt;resource ($name[, $newval])</a></strong><br /> 1172<dt><strong><a name="item_resource">$value = $term-&gt;resource ($name[, $newval])</a></strong>
556</dt> 1173
557<dd> 1174<dd>
558Returns the current resource value associated with a given name and 1175<p>Returns the current resource value associated with a given name and
559optionally sets a new value. Setting values is most useful in the <code>init</code> 1176optionally sets a new value. Setting values is most useful in the <code>init</code>
560hook. Unset resources are returned and accepted as <code>undef</code>. 1177hook. Unset resources are returned and accepted as <code>undef</code>.</p>
561</dd> 1178</dd>
562<dd> 1179<dd>
563<p>The new value must be properly encoded to a suitable character encoding 1180<p>The new value must be properly encoded to a suitable character encoding
564before passing it to this method. Similarly, the returned value may need 1181before passing it to this method. Similarly, the returned value may need
565to be converted from the used encoding to text.</p> 1182to be converted from the used encoding to text.</p>
… …
572<dd> 1189<dd>
573<p>Please note that resource strings will currently only be freed when the 1190<p>Please note that resource strings will currently only be freed when the
574terminal is destroyed, so changing options frequently will eat memory.</p> 1191terminal is destroyed, so changing options frequently will eat memory.</p>
575</dd> 1192</dd>
576<dd> 1193<dd>
577<p>Here is a a likely non-exhaustive list of resource names, not all of which 1194<p>Here is a likely non-exhaustive list of resource names, not all of which
578are supported in every build, please see the source file <em>/src/rsinc.h</em> 1195are supported in every build, please see the source file <em>/src/rsinc.h</em>
579to see the actual list:</p> 1196to see the actual list:</p>
580</dd> 1197</dd>
581<dd> 1198<dd>
582<pre> 1199<pre>
583 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont 1200 answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont
584 borderLess color cursorBlink cursorUnderline cutchars delete_key 1201 borderLess color cursorBlink cursorUnderline cutchars delete_key
585 display_name embed ext_bwidth fade font geometry hold iconName 1202 display_name embed ext_bwidth fade font geometry hold iconName
586 imFont imLocale inputMethod insecure int_bwidth intensityStyles 1203 imFont imLocale inputMethod insecure int_bwidth intensityStyles
587 italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier 1204 italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier
588 mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 1205 mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
589 perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd 1206 perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
590 reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating 1207 preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
591 scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput 1208 scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
592 scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle 1209 scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
593 shade term_name title transparent transparent_all tripleclickwords 1210 secondaryScreen secondaryScroll selectstyle shade term_name title
1211 transient_for transparent transparent_all tripleclickwords utmpInhibit
594 utmpInhibit visualBell</pre> 1212 visualBell</pre>
1213</dd>
1214</li>
1215<dt><strong><a name="item_x_resource">$value = $term-&gt;x_resource ($pattern)</a></strong>
1216
595</dd> 1217<dd>
596<p></p> 1218<p>Returns the X-Resource for the given pattern, excluding the program or
1219class name, i.e. <a href="#item_x_resource"><code>$term-&gt;x_resource (&quot;boldFont&quot;)</code></a> should return the
1220same value as used by this instance of rxvt-unicode. Returns <code>undef</code> if no
1221resource with that pattern exists.</p>
1222</dd>
1223<dd>
1224<p>This method should only be called during the <code>on_start</code> hook, as there is
1225only one resource database per display, and later invocations might return
1226the wrong resources.</p>
1227</dd>
1228</li>
1229<dt><strong><a name="item_parse_keysym">$success = $term-&gt;parse_keysym ($keysym_spec, $command_string)</a></strong>
1230
1231<dd>
1232<p>Adds a keymap translation exactly as specified via a resource. See the
1233<code>keysym</code> resource in the <code>rxvt(1)</code> manpage.</p>
1234</dd>
1235</li>
597<dt><strong><a name="item_rstyle">$rend = $term-&gt;rstyle ([$new_rstyle])</a></strong><br /> 1236<dt><strong><a name="item_rstyle">$rend = $term-&gt;rstyle ([$new_rstyle])</a></strong>
598</dt> 1237
599<dd> 1238<dd>
600Return and optionally change the current rendition. Text that is output by 1239<p>Return and optionally change the current rendition. Text that is output by
601the terminal application will use this style. 1240the terminal application will use this style.</p>
602</dd> 1241</dd>
603<p></p> 1242</li>
604<dt><strong><a name="item_screen_cur">($row, $col) = $term-&gt;screen_cur ([$row, $col])</a></strong><br /> 1243<dt><strong><a name="item_screen_cur">($row, $col) = $term-&gt;screen_cur ([$row, $col])</a></strong>
605</dt> 1244
606<dd> 1245<dd>
607Return the current coordinates of the text cursor position and optionally 1246<p>Return the current coordinates of the text cursor position and optionally
608set it (which is usually bad as applications don't expect that). 1247set it (which is usually bad as applications don't expect that).</p>
609</dd> 1248</dd>
610<p></p> 1249</li>
611<dt><strong><a name="item_selection_mark">($row, $col) = $term-&gt;selection_mark ([$row, $col])</a></strong><br /> 1250<dt><strong><a name="item_selection_mark">($row, $col) = $term-&gt;selection_mark ([$row, $col])</a></strong>
612</dt> 1251
613<dt><strong><a name="item_selection_beg">($row, $col) = $term-&gt;selection_beg ([$row, $col])</a></strong><br /> 1252<dt><strong><a name="item_selection_beg">($row, $col) = $term-&gt;selection_beg ([$row, $col])</a></strong>
614</dt> 1253
615<dt><strong><a name="item_selection_end">($row, $col) = $term-&gt;selection_end ([$row, $col])</a></strong><br /> 1254<dt><strong><a name="item_selection_end">($row, $col) = $term-&gt;selection_end ([$row, $col])</a></strong>
616</dt> 1255
617<dd> 1256<dd>
618Return the current values of the selection mark, begin or end positions, 1257<p>Return the current values of the selection mark, begin or end positions,
619and optionally set them to new values. 1258and optionally set them to new values.</p>
1259</dd>
1260</li>
1261<dt><strong><a name="item_selection_make">$term-&gt;selection_make ($eventtime[, $rectangular])</a></strong>
1262
620</dd> 1263<dd>
621<p></p> 1264<p>Tries to make a selection as set by <a href="#item_selection_beg"><code>selection_beg</code></a> and
1265<a href="#item_selection_end"><code>selection_end</code></a>. If <code>$rectangular</code> is true (default: false), a
1266rectangular selection will be made. This is the prefered function to make
1267a selection.</p>
1268</dd>
1269</li>
622<dt><strong><a name="item_selection_grab">$success = $term-&gt;selection_grab ($eventtime)</a></strong><br /> 1270<dt><strong><a name="item_selection_grab">$success = $term-&gt;selection_grab ($eventtime)</a></strong>
623</dt> 1271
624<dd> 1272<dd>
625Try to request the primary selection from the server (for example, as set 1273<p>Try to request the primary selection text from the server (for example, as
626by the next method). 1274set by the next method). No visual feedback will be given. This function
1275is mostly useful from within <code>on_sel_grab</code> hooks.</p>
627</dd> 1276</dd>
628<p></p> 1277</li>
629<dt><strong>$oldtext = $term-&gt;selection ([$newtext])</strong><br /> 1278<dt><strong>$oldtext = $term-&gt;selection ([$newtext])</strong>
630</dt> 1279
631<dd> 1280<dd>
632Return the current selection text and optionally replace it by <code>$newtext</code>. 1281<p>Return the current selection text and optionally replace it by <code>$newtext</code>.</p>
633</dd>
634<dd> 1282</dd>
635<p>#=item $term-&gt;overlay ($x, $y, $text) 1283</li>
636# 1284<dt><strong><a name="item_overlay_simple">$term-&gt;overlay_simple ($x, $y, $text)</a></strong>
1285
1286<dd>
637#Create a simple multi-line overlay box. See the next method for details. 1287<p>Create a simple multi-line overlay box. See the next method for details.</p>
638#
639#=cut
640#
641#sub urxvt::term::scr_overlay {
642# my ($self, $x, $y, $text) = @_;
643#
644# my @lines = split /\n/, $text;
645#
646# my $w = 0;
647# for (map $self-&gt;strwidth ($_), @lines) {
648# $w = $_ if $w &lt; $_;
649# }
650#
651# $self-&gt;scr_overlay_new ($x, $y, $w, scalar @lines);
652# $self-&gt;scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines;
653#}</p>
654</dd> 1288</dd>
655<p></p> 1289</li>
656<dt><strong><a name="item_overlay">$term-&gt;overlay ($x, $y, $width, $height[, $rstyle[, $border]])</a></strong><br /> 1290<dt><strong><a name="item_overlay">$term-&gt;overlay ($x, $y, $width, $height[, $rstyle[, $border]])</a></strong>
657</dt> 1291
658<dd> 1292<dd>
659Create a new (empty) overlay at the given position with the given 1293<p>Create a new (empty) overlay at the given position with the given
660width/height. <code>$rstyle</code> defines the initial rendition style 1294width/height. <code>$rstyle</code> defines the initial rendition style
661(default: <code>OVERLAY_RSTYLE</code>). 1295(default: <code>OVERLAY_RSTYLE</code>).</p>
662</dd> 1296</dd>
663<dd> 1297<dd>
664<p>If <code>$border</code> is <code>2</code> (default), then a decorative border will be put 1298<p>If <code>$border</code> is <code>2</code> (default), then a decorative border will be put
665around the box.</p> 1299around the box.</p>
666</dd> 1300</dd>
… …
674</dd> 1308</dd>
675<dd> 1309<dd>
676<p>The methods currently supported on <code>urxvt::overlay</code> objects are:</p> 1310<p>The methods currently supported on <code>urxvt::overlay</code> objects are:</p>
677</dd> 1311</dd>
678<dl> 1312<dl>
679<dt><strong><a name="item_set">$overlay-&gt;set ($x, $y, $text, $rend)</a></strong><br /> 1313<dt><strong><a name="item_set">$overlay-&gt;set ($x, $y, $text, $rend)</a></strong>
680</dt> 1314
681<dd> 1315<dd>
682Similar to <a href="#item_row_t"><code>$term-&gt;ROW_t</code></a> and <a href="#item_row_r"><code>$term-&gt;ROW_r</code></a> in that it puts 1316<p>Similar to <a href="#item_row_t"><code>$term-&gt;ROW_t</code></a> and <a href="#item_row_r"><code>$term-&gt;ROW_r</code></a> in that it puts
683text in rxvt-unicode's special encoding and an array of rendition values 1317text in rxvt-unicode's special encoding and an array of rendition values
684at a specific position inside the overlay. 1318at a specific position inside the overlay.</p>
685</dd> 1319</dd>
686<p></p> 1320</li>
687<dt><strong><a name="item_hide">$overlay-&gt;hide</a></strong><br /> 1321<dt><strong><a name="item_hide">$overlay-&gt;hide</a></strong>
688</dt> 1322
689<dd> 1323<dd>
690If visible, hide the overlay, but do not destroy it. 1324<p>If visible, hide the overlay, but do not destroy it.</p>
691</dd> 1325</dd>
692<p></p> 1326</li>
693<dt><strong><a name="item_show">$overlay-&gt;show</a></strong><br /> 1327<dt><strong><a name="item_show">$overlay-&gt;show</a></strong>
694</dt> 1328
695<dd> 1329<dd>
696If hidden, display the overlay again. 1330<p>If hidden, display the overlay again.</p>
1331</dd>
1332</li>
697</dd> 1333</dl>
698<p></p></dl>
699<dt><strong>$popup = $term-&gt;popup ($event)</strong><br /> 1334<dt><strong>$popup = $term-&gt;popup ($event)</strong>
700</dt> 1335
701<dd> 1336<dd>
702Creates a new <code>urxvt::popup</code> object that implements a popup menu. The 1337<p>Creates a new <code>urxvt::popup</code> object that implements a popup menu. The
703<code>$event</code> <em>must</em> be the event causing the menu to pop up (a button event, 1338<code>$event</code> <em>must</em> be the event causing the menu to pop up (a button event,
704currently). 1339currently).</p>
705</dd> 1340</dd>
706<p></p> 1341</li>
707<dt><strong><a name="item_strwidth">$cellwidth = $term-&gt;strwidth ($string)</a></strong><br /> 1342<dt><strong><a name="item_strwidth">$cellwidth = $term-&gt;strwidth ($string)</a></strong>
708</dt> 1343
709<dd> 1344<dd>
710Returns the number of screen-cells this string would need. Correctly 1345<p>Returns the number of screen-cells this string would need. Correctly
711accounts for wide and combining characters. 1346accounts for wide and combining characters.</p>
712</dd> 1347</dd>
713<p></p> 1348</li>
714<dt><strong><a name="item_locale_encode">$octets = $term-&gt;locale_encode ($string)</a></strong><br /> 1349<dt><strong><a name="item_locale_encode">$octets = $term-&gt;locale_encode ($string)</a></strong>
715</dt> 1350
716<dd> 1351<dd>
717Convert the given text string into the corresponding locale encoding. 1352<p>Convert the given text string into the corresponding locale encoding.</p>
718</dd> 1353</dd>
719<p></p> 1354</li>
720<dt><strong><a name="item_locale_decode">$string = $term-&gt;locale_decode ($octets)</a></strong><br /> 1355<dt><strong><a name="item_locale_decode">$string = $term-&gt;locale_decode ($octets)</a></strong>
721</dt> 1356
722<dd> 1357<dd>
723Convert the given locale-encoded octets into a perl string. 1358<p>Convert the given locale-encoded octets into a perl string.</p>
1359</dd>
1360</li>
1361<dt><strong><a name="item_scr_xor_span">$term-&gt;scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle])</a></strong>
1362
724</dd> 1363<dd>
725<p></p> 1364<p>XORs the rendition values in the given span with the provided value
1365(default: <code>RS_RVid</code>), which <em>MUST NOT</em> contain font styles. Useful in
1366refresh hooks to provide effects similar to the selection.</p>
1367</dd>
1368</li>
1369<dt><strong><a name="item_scr_xor_rect">$term-&gt;scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]])</a></strong>
1370
1371<dd>
1372<p>Similar to <a href="#item_scr_xor_span"><code>scr_xor_span</code></a>, but xors a rectangle instead. Trailing
1373whitespace will additionally be xored with the <code>$rstyle2</code>, which defaults
1374to <code>RS_RVid | RS_Uline</code>, which removes reverse video again and underlines
1375it instead. Both styles <em>MUST NOT</em> contain font styles.</p>
1376</dd>
1377</li>
1378<dt><strong><a name="item_scr_bell">$term-&gt;scr_bell</a></strong>
1379
1380<dd>
1381<p>Ring the bell!</p>
1382</dd>
1383</li>
726<dt><strong><a name="item_scr_add_lines">$term-&gt;scr_add_lines ($string)</a></strong><br /> 1384<dt><strong><a name="item_scr_add_lines">$term-&gt;scr_add_lines ($string)</a></strong>
727</dt> 1385
728<dd> 1386<dd>
729Write the given text string to the screen, as if output by the application 1387<p>Write the given text string to the screen, as if output by the application
730running inside the terminal. It may not contain command sequences (escape 1388running inside the terminal. It may not contain command sequences (escape
731codes), but is free to use line feeds, carriage returns and tabs. The 1389codes), but is free to use line feeds, carriage returns and tabs. The
732string is a normal text string, not in locale-dependent encoding. 1390string is a normal text string, not in locale-dependent encoding.</p>
733</dd> 1391</dd>
734<dd> 1392<dd>
735<p>Normally its not a good idea to use this function, as programs might be 1393<p>Normally its not a good idea to use this function, as programs might be
736confused by changes in cursor position or scrolling. Its useful inside a 1394confused by changes in cursor position or scrolling. Its useful inside a
737<code>on_add_lines</code> hook, though.</p> 1395<code>on_add_lines</code> hook, though.</p>
738</dd> 1396</dd>
739<p></p> 1397</li>
1398<dt><strong><a name="item_scr_change_screen">$term-&gt;scr_change_screen ($screen)</a></strong>
1399
1400<dd>
1401<p>Switch to given screen - 0 primary, 1 secondary.</p>
1402</dd>
1403</li>
740<dt><strong><a name="item_cmd_parse">$term-&gt;cmd_parse ($octets)</a></strong><br /> 1404<dt><strong><a name="item_cmd_parse">$term-&gt;cmd_parse ($octets)</a></strong>
741</dt> 1405
742<dd> 1406<dd>
743Similar to <a href="#item_scr_add_lines"><code>scr_add_lines</code></a>, but the argument must be in the 1407<p>Similar to <a href="#item_scr_add_lines"><code>scr_add_lines</code></a>, but the argument must be in the
744locale-specific encoding of the terminal and can contain command sequences 1408locale-specific encoding of the terminal and can contain command sequences
745(escape codes) that will be interpreted. 1409(escape codes) that will be interpreted.</p>
746</dd> 1410</dd>
747<p></p> 1411</li>
748<dt><strong><a name="item_tt_write">$term-&gt;tt_write ($octets)</a></strong><br /> 1412<dt><strong><a name="item_tt_write">$term-&gt;tt_write ($octets)</a></strong>
749</dt> 1413
750<dd> 1414<dd>
751Write the octets given in <code>$data</code> to the tty (i.e. as program input). To 1415<p>Write the octets given in <code>$data</code> to the tty (i.e. as program input). To
752pass characters instead of octets, you should convert your strings first 1416pass characters instead of octets, you should convert your strings first
753to the locale-specific encoding using <a href="#item_locale_encode"><code>$term-&gt;locale_encode</code></a>. 1417to the locale-specific encoding using <a href="#item_locale_encode"><code>$term-&gt;locale_encode</code></a>.</p>
1418</dd>
1419</li>
1420<dt><strong><a name="item_pty_ev_events">$old_events = $term-&gt;pty_ev_events ([$new_events])</a></strong>
1421
754</dd> 1422<dd>
755<p></p> 1423<p>Replaces the event mask of the pty watcher by the given event mask. Can
1424be used to suppress input and output handling to the pty/tty. See the
1425description of <a href="#item_events"><code>urxvt::timer-&gt;events</code></a>. Make sure to always restore
1426the previous value.</p>
1427</dd>
1428</li>
1429<dt><strong><a name="item_pty_fd">$fd = $term-&gt;pty_fd</a></strong>
1430
1431<dd>
1432<p>Returns the master file descriptor for the pty in use, or <code>-1</code> if no pty
1433is used.</p>
1434</dd>
1435</li>
756<dt><strong><a name="item_parent">$windowid = $term-&gt;parent</a></strong><br /> 1436<dt><strong><a name="item_parent">$windowid = $term-&gt;parent</a></strong>
757</dt> 1437
758<dd> 1438<dd>
759Return the window id of the toplevel window. 1439<p>Return the window id of the toplevel window.</p>
760</dd> 1440</dd>
761<p></p> 1441</li>
762<dt><strong><a name="item_vt">$windowid = $term-&gt;vt</a></strong><br /> 1442<dt><strong><a name="item_vt">$windowid = $term-&gt;vt</a></strong>
763</dt> 1443
764<dd> 1444<dd>
765Return the window id of the terminal window. 1445<p>Return the window id of the terminal window.</p>
1446</dd>
1447</li>
1448<dt><strong><a name="item_vt_emask_add">$term-&gt;vt_emask_add ($x_event_mask)</a></strong>
1449
766</dd> 1450<dd>
767<p></p> 1451<p>Adds the specified events to the vt event mask. Useful e.g. when you want
1452to receive pointer events all the times:</p>
1453</dd>
1454<dd>
1455<pre>
1456 $term-&gt;vt_emask_add (urxvt::PointerMotionMask);</pre>
1457</dd>
1458</li>
1459<dt><strong><a name="item_focus_in">$term-&gt;focus_in</a></strong>
1460
1461<dt><strong><a name="item_focus_out">$term-&gt;focus_out</a></strong>
1462
1463<dt><strong><a name="item_key_press">$term-&gt;key_press ($state, $keycode[, $time])</a></strong>
1464
1465<dt><strong><a name="item_key_release">$term-&gt;key_release ($state, $keycode[, $time])</a></strong>
1466
1467<dd>
1468<p>Deliver various fake events to to terminal.</p>
1469</dd>
1470</li>
768<dt><strong><a name="item_width">$window_width = $term-&gt;width</a></strong><br /> 1471<dt><strong><a name="item_width">$window_width = $term-&gt;width</a></strong>
769</dt> 1472
770<dt><strong><a name="item_height">$window_height = $term-&gt;height</a></strong><br /> 1473<dt><strong><a name="item_height">$window_height = $term-&gt;height</a></strong>
771</dt> 1474
772<dt><strong><a name="item_fwidth">$font_width = $term-&gt;fwidth</a></strong><br /> 1475<dt><strong><a name="item_fwidth">$font_width = $term-&gt;fwidth</a></strong>
773</dt> 1476
774<dt><strong><a name="item_fheight">$font_height = $term-&gt;fheight</a></strong><br /> 1477<dt><strong><a name="item_fheight">$font_height = $term-&gt;fheight</a></strong>
775</dt> 1478
776<dt><strong><a name="item_fbase">$font_ascent = $term-&gt;fbase</a></strong><br /> 1479<dt><strong><a name="item_fbase">$font_ascent = $term-&gt;fbase</a></strong>
777</dt> 1480
778<dt><strong><a name="item_nrow">$terminal_rows = $term-&gt;nrow</a></strong><br /> 1481<dt><strong><a name="item_nrow">$terminal_rows = $term-&gt;nrow</a></strong>
779</dt> 1482
780<dt><strong><a name="item_ncol">$terminal_columns = $term-&gt;ncol</a></strong><br /> 1483<dt><strong><a name="item_ncol">$terminal_columns = $term-&gt;ncol</a></strong>
781</dt> 1484
782<dt><strong><a name="item_focus">$has_focus = $term-&gt;focus</a></strong><br /> 1485<dt><strong><a name="item_focus">$has_focus = $term-&gt;focus</a></strong>
783</dt> 1486
784<dt><strong><a name="item_mapped">$is_mapped = $term-&gt;mapped</a></strong><br /> 1487<dt><strong><a name="item_mapped">$is_mapped = $term-&gt;mapped</a></strong>
785</dt> 1488
786<dt><strong><a name="item_savelines">$max_scrollback = $term-&gt;saveLines</a></strong><br /> 1489<dt><strong><a name="item_savelines">$max_scrollback = $term-&gt;saveLines</a></strong>
787</dt> 1490
788<dt><strong><a name="item_total_rows">$nrow_plus_saveLines = $term-&gt;total_rows</a></strong><br /> 1491<dt><strong><a name="item_total_rows">$nrow_plus_saveLines = $term-&gt;total_rows</a></strong>
789</dt> 1492
790<dt><strong><a name="item_nsaved">$lines_in_scrollback = $term-&gt;nsaved</a></strong><br /> 1493<dt><strong><a name="item_top_row">$topmost_scrollback_row = $term-&gt;top_row</a></strong>
791</dt> 1494
792<dd> 1495<dd>
793Return various integers describing terminal characteristics. 1496<p>Return various integers describing terminal characteristics.</p>
1497</dd>
1498</li>
1499<dt><strong><a name="item_display_id">$x_display = $term-&gt;display_id</a></strong>
1500
794</dd> 1501<dd>
795<p></p> 1502<p>Return the DISPLAY used by rxvt-unicode.</p>
1503</dd>
1504</li>
1505<dt><strong><a name="item_locale">$lc_ctype = $term-&gt;locale</a></strong>
1506
1507<dd>
1508<p>Returns the LC_CTYPE category string used by this rxvt-unicode.</p>
1509</dd>
1510</li>
1511<dt><strong><a name="item_env">$env = $term-&gt;env</a></strong>
1512
1513<dd>
1514<p>Returns a copy of the environment in effect for the terminal as a hashref
1515similar to <code>\%ENV</code>.</p>
1516</dd>
1517</li>
1518<dt><strong><a name="item_envv">@envv = $term-&gt;envv</a></strong>
1519
1520<dd>
1521<p>Returns the environment as array of strings of the form <code>VAR=VALUE</code>.</p>
1522</dd>
1523</li>
1524<dt><strong><a name="item_argv">@argv = $term-&gt;argv</a></strong>
1525
1526<dd>
1527<p>Return the argument vector as this terminal, similar to @ARGV, but
1528includes the program name as first element.</p>
1529</dd>
1530</li>
796<dt><strong><a name="item_modlevel3mask">$modifiermask = $term-&gt;ModLevel3Mask</a></strong><br /> 1531<dt><strong><a name="item_modlevel3mask">$modifiermask = $term-&gt;ModLevel3Mask</a></strong>
797</dt> 1532
798<dt><strong><a name="item_modmetamask">$modifiermask = $term-&gt;ModMetaMask</a></strong><br /> 1533<dt><strong><a name="item_modmetamask">$modifiermask = $term-&gt;ModMetaMask</a></strong>
799</dt> 1534
800<dt><strong><a name="item_modnumlockmask">$modifiermask = $term-&gt;ModNumLockMask</a></strong><br /> 1535<dt><strong><a name="item_modnumlockmask">$modifiermask = $term-&gt;ModNumLockMask</a></strong>
801</dt> 1536
802<dd> 1537<dd>
803Return the modifier masks corresponding to the ``ISO Level 3 Shift'' (often 1538<p>Return the modifier masks corresponding to the ``ISO Level 3 Shift'' (often
804AltGr), the meta key (often Alt) and the num lock key, if applicable. 1539AltGr), the meta key (often Alt) and the num lock key, if applicable.</p>
1540</dd>
1541</li>
1542<dt><strong><a name="item_current_screen">$screen = $term-&gt;current_screen</a></strong>
1543
805</dd> 1544<dd>
806<p></p> 1545<p>Returns the currently displayed screen (0 primary, 1 secondary).</p>
1546</dd>
1547</li>
1548<dt><strong><a name="item_hidden_cursor">$cursor_is_hidden = $term-&gt;hidden_cursor</a></strong>
1549
1550<dd>
1551<p>Returns whether the cursor is currently hidden or not.</p>
1552</dd>
1553</li>
807<dt><strong><a name="item_view_start">$view_start = $term-&gt;view_start ([$newvalue])</a></strong><br /> 1554<dt><strong><a name="item_view_start">$view_start = $term-&gt;view_start ([$newvalue])</a></strong>
808</dt> 1555
809<dd> 1556<dd>
810Returns the negative row number of the topmost line. Minimum value is 1557<p>Returns the row number of the topmost displayed line. Maximum value is
811<code>0</code>, which displays the normal terminal contents. Larger values scroll 1558<code>0</code>, which displays the normal terminal contents. Lower values scroll
812this many lines into the scrollback buffer. 1559this many lines into the scrollback buffer.</p>
813</dd> 1560</dd>
814<p></p> 1561</li>
815<dt><strong><a name="item_want_refresh">$term-&gt;want_refresh</a></strong><br /> 1562<dt><strong><a name="item_want_refresh">$term-&gt;want_refresh</a></strong>
816</dt> 1563
817<dd> 1564<dd>
818Requests a screen refresh. At the next opportunity, rxvt-unicode will 1565<p>Requests a screen refresh. At the next opportunity, rxvt-unicode will
819compare the on-screen display with its stored representation. If they 1566compare the on-screen display with its stored representation. If they
820differ, it redraws the differences. 1567differ, it redraws the differences.</p>
821</dd> 1568</dd>
822<dd> 1569<dd>
823<p>Used after changing terminal contents to display them.</p> 1570<p>Used after changing terminal contents to display them.</p>
824</dd> 1571</dd>
825<p></p> 1572</li>
826<dt><strong><a name="item_row_t">$text = $term-&gt;ROW_t ($row_number[, $new_text[, $start_col]])</a></strong><br /> 1573<dt><strong><a name="item_row_t">$text = $term-&gt;ROW_t ($row_number[, $new_text[, $start_col]])</a></strong>
827</dt> 1574
828<dd> 1575<dd>
829Returns the text of the entire row with number <code>$row_number</code>. Row <code>0</code> 1576<p>Returns the text of the entire row with number <code>$row_number</code>. Row <code>0</code>
830is the topmost terminal line, row <code>$term-&gt;$ncol-1</code> is the bottommost 1577is the topmost terminal line, row <code>$term-&gt;$ncol-1</code> is the bottommost
831terminal line. The scrollback buffer starts at line <code>-1</code> and extends to 1578terminal line. The scrollback buffer starts at line <code>-1</code> and extends to
832line <a href="#item_nsaved"><code>-$term-&gt;nsaved</code></a>. Nothing will be returned if a nonexistent line 1579line <code>-$term-&gt;nsaved</code>. Nothing will be returned if a nonexistent line
833is requested. 1580is requested.</p>
834</dd> 1581</dd>
835<dd> 1582<dd>
836<p>If <code>$new_text</code> is specified, it will replace characters in the current 1583<p>If <code>$new_text</code> is specified, it will replace characters in the current
837line, starting at column <code>$start_col</code> (default <code>0</code>), which is useful 1584line, starting at column <code>$start_col</code> (default <code>0</code>), which is useful
838to replace only parts of a line. The font index in the rendition will 1585to replace only parts of a line. The font index in the rendition will
839automatically be updated.</p> 1586automatically be updated.</p>
840</dd> 1587</dd>
841<dd> 1588<dd>
842<p><a href="#item__24text"><code>$text</code></a> is in a special encoding: tabs and wide characters that use more 1589<p><a href="#item__text"><code>$text</code></a> is in a special encoding: tabs and wide characters that use more
843than one cell when displayed are padded with urxvt::NOCHAR characters 1590than one cell when displayed are padded with <code>$urxvt::NOCHAR</code> (chr 65535)
844(<code>chr 65535</code>). Characters with combining characters and other characters 1591characters. Characters with combining characters and other characters that
845that do not fit into the normal tetx encoding will be replaced with 1592do not fit into the normal tetx encoding will be replaced with characters
846characters in the private use area.</p> 1593in the private use area.</p>
847</dd> 1594</dd>
848<dd> 1595<dd>
849<p>You have to obey this encoding when changing text. The advantage is 1596<p>You have to obey this encoding when changing text. The advantage is
850that <code>substr</code> and similar functions work on screen cells and not on 1597that <code>substr</code> and similar functions work on screen cells and not on
851characters.</p> 1598characters.</p>
852</dd> 1599</dd>
853<dd> 1600<dd>
854<p>The methods <a href="#item_special_encode"><code>$term-&gt;special_encode</code></a> and <a href="#item_special_decode"><code>$term-&gt;special_decode</code></a> 1601<p>The methods <a href="#item_special_encode"><code>$term-&gt;special_encode</code></a> and <a href="#item_special_decode"><code>$term-&gt;special_decode</code></a>
855can be used to convert normal strings into this encoding and vice versa.</p> 1602can be used to convert normal strings into this encoding and vice versa.</p>
856</dd> 1603</dd>
857<p></p> 1604</li>
858<dt><strong><a name="item_row_r">$rend = $term-&gt;ROW_r ($row_number[, $new_rend[, $start_col]])</a></strong><br /> 1605<dt><strong><a name="item_row_r">$rend = $term-&gt;ROW_r ($row_number[, $new_rend[, $start_col]])</a></strong>
859</dt> 1606
860<dd> 1607<dd>
861Like <a href="#item_row_t"><code>$term-&gt;ROW_t</code></a>, but returns an arrayref with rendition 1608<p>Like <a href="#item_row_t"><code>$term-&gt;ROW_t</code></a>, but returns an arrayref with rendition
862bitsets. Rendition bitsets contain information about colour, font, font 1609bitsets. Rendition bitsets contain information about colour, font, font
863styles and similar information. See also <a href="#item_row_t"><code>$term-&gt;ROW_t</code></a>. 1610styles and similar information. See also <a href="#item_row_t"><code>$term-&gt;ROW_t</code></a>.</p>
864</dd> 1611</dd>
865<dd> 1612<dd>
866<p>When setting rendition, the font mask will be ignored.</p> 1613<p>When setting rendition, the font mask will be ignored.</p>
867</dd> 1614</dd>
868<dd> 1615<dd>
869<p>See the section on RENDITION, above.</p> 1616<p>See the section on RENDITION, above.</p>
870</dd> 1617</dd>
871<p></p> 1618</li>
872<dt><strong><a name="item_row_l">$length = $term-&gt;ROW_l ($row_number[, $new_length])</a></strong><br /> 1619<dt><strong><a name="item_row_l">$length = $term-&gt;ROW_l ($row_number[, $new_length])</a></strong>
873</dt> 1620
874<dd> 1621<dd>
875Returns the number of screen cells that are in use (``the line 1622<p>Returns the number of screen cells that are in use (``the line
876length''). Unlike the urxvt core, this returns <a href="#item_ncol"><code>$term-&gt;ncol</code></a> if the 1623length''). Unlike the urxvt core, this returns <a href="#item_ncol"><code>$term-&gt;ncol</code></a> if the
877line is joined with the following one. 1624line is joined with the following one.</p>
878</dd> 1625</dd>
879<p></p> 1626</li>
880<dt><strong><a name="item_is_longer">$bool = $term-&gt;is_longer ($row_number)</a></strong><br /> 1627<dt><strong><a name="item_is_longer">$bool = $term-&gt;is_longer ($row_number)</a></strong>
881</dt> 1628
882<dd> 1629<dd>
883Returns true if the row is part of a multiple-row logical ``line'' (i.e. 1630<p>Returns true if the row is part of a multiple-row logical ``line'' (i.e.
884joined with the following row), which means all characters are in use 1631joined with the following row), which means all characters are in use
885and it is continued on the next row (and possibly a continuation of the 1632and it is continued on the next row (and possibly a continuation of the
886previous row(s)). 1633previous row(s)).</p>
887</dd> 1634</dd>
888<p></p> 1635</li>
889<dt><strong><a name="item_line">$line = $term-&gt;line ($row_number)</a></strong><br /> 1636<dt><strong><a name="item_line">$line = $term-&gt;line ($row_number)</a></strong>
890</dt> 1637
891<dd> 1638<dd>
892Create and return a new <code>urxvt::line</code> object that stores information 1639<p>Create and return a new <code>urxvt::line</code> object that stores information
893about the logical line that row <code>$row_number</code> is part of. It supports the 1640about the logical line that row <code>$row_number</code> is part of. It supports the
894following methods: 1641following methods:</p>
895</dd> 1642</dd>
896<dl> 1643<dl>
897<dt><strong><a name="item_t">$text = $line-&gt;t ([$new_text])</a></strong><br /> 1644<dt><strong><a name="item_t">$text = $line-&gt;t ([$new_text])</a></strong>
898</dt> 1645
899<dd> 1646<dd>
900Returns or replaces the full text of the line, similar to <a href="#item_row_t"><code>ROW_t</code></a> 1647<p>Returns or replaces the full text of the line, similar to <a href="#item_row_t"><code>ROW_t</code></a></p>
901</dd> 1648</dd>
902<p></p> 1649</li>
903<dt><strong><a name="item_r">$rend = $line-&gt;r ([$new_rend])</a></strong><br /> 1650<dt><strong><a name="item_r">$rend = $line-&gt;r ([$new_rend])</a></strong>
904</dt> 1651
905<dd> 1652<dd>
906Returns or replaces the full rendition array of the line, similar to <a href="#item_row_r"><code>ROW_r</code></a> 1653<p>Returns or replaces the full rendition array of the line, similar to <a href="#item_row_r"><code>ROW_r</code></a></p>
907</dd> 1654</dd>
908<p></p> 1655</li>
909<dt><strong><a name="item_l">$length = $line-&gt;l</a></strong><br /> 1656<dt><strong><a name="item_l">$length = $line-&gt;l</a></strong>
910</dt> 1657
911<dd> 1658<dd>
912Returns the length of the line in cells, similar to <a href="#item_row_l"><code>ROW_l</code></a>. 1659<p>Returns the length of the line in cells, similar to <a href="#item_row_l"><code>ROW_l</code></a>.</p>
913</dd> 1660</dd>
914<p></p> 1661</li>
915<dt><strong><a name="item_beg">$rownum = $line-&gt;beg</a></strong><br /> 1662<dt><strong><a name="item_beg">$rownum = $line-&gt;beg</a></strong>
916</dt> 1663
917<dt><strong><a name="item_end">$rownum = $line-&gt;end</a></strong><br /> 1664<dt><strong><a name="item_end">$rownum = $line-&gt;end</a></strong>
918</dt> 1665
919<dd> 1666<dd>
920Return the row number of the first/last row of the line, respectively. 1667<p>Return the row number of the first/last row of the line, respectively.</p>
921</dd> 1668</dd>
922<p></p> 1669</li>
923<dt><strong><a name="item_offset_of">$offset = $line-&gt;offset_of ($row, $col)</a></strong><br /> 1670<dt><strong><a name="item_offset_of">$offset = $line-&gt;offset_of ($row, $col)</a></strong>
924</dt> 1671
925<dd> 1672<dd>
926Returns the character offset of the given row|col pair within the logical 1673<p>Returns the character offset of the given row|col pair within the logical
927line. 1674line. Works for rows outside the line, too, and returns corresponding
1675offsets outside the string.</p>
928</dd> 1676</dd>
929<p></p> 1677</li>
930<dt><strong><a name="item_coord_of">($row, $col) = $line-&gt;coord_of ($offset)</a></strong><br /> 1678<dt><strong><a name="item_coord_of">($row, $col) = $line-&gt;coord_of ($offset)</a></strong>
931</dt> 1679
932<dd> 1680<dd>
933Translates a string offset into terminal coordinates again. 1681<p>Translates a string offset into terminal coordinates again.</p>
1682</dd>
1683</li>
934</dd> 1684</dl>
935<p></p></dl>
936<dt><strong><a name="item_special_encode">$text = $term-&gt;special_encode $string</a></strong><br /> 1685<dt><strong><a name="item_special_encode">$text = $term-&gt;special_encode $string</a></strong>
937</dt> 1686
938<dd> 1687<dd>
939Converts a perl string into the special encoding used by rxvt-unicode, 1688<p>Converts a perl string into the special encoding used by rxvt-unicode,
940where one character corresponds to one screen cell. See 1689where one character corresponds to one screen cell. See
941<a href="#item_row_t"><code>$term-&gt;ROW_t</code></a> for details. 1690<a href="#item_row_t"><code>$term-&gt;ROW_t</code></a> for details.</p>
942</dd> 1691</dd>
943<p></p> 1692</li>
944<dt><strong><a name="item_special_decode">$string = $term-&gt;special_decode $text</a></strong><br /> 1693<dt><strong><a name="item_special_decode">$string = $term-&gt;special_decode $text</a></strong>
945</dt> 1694
946<dd> 1695<dd>
947Converts rxvt-unicodes text reprsentation into a perl string. See 1696<p>Converts rxvt-unicodes text representation into a perl string. See
948<a href="#item_row_t"><code>$term-&gt;ROW_t</code></a> for details. 1697<a href="#item_row_t"><code>$term-&gt;ROW_t</code></a> for details.</p>
949</dd>
950<p></p>
951<dt><strong><a name="item_grab_button">$success = $term-&gt;grab_button ($button, $modifiermask)</a></strong><br />
952</dt>
953<dd> 1698</dd>
954Registers a synchronous button grab. See XGrabButton. 1699</li>
1700<dt><strong><a name="item_grab_button">$success = $term-&gt;grab_button ($button, $modifiermask[, $window = $term-&gt;vt])</a></strong>
1701
1702<dt><strong><a name="item_ungrab_button">$term-&gt;ungrab_button ($button, $modifiermask[, $window = $term-&gt;vt])</a></strong>
1703
955</dd> 1704<dd>
956<p></p> 1705<p>Register/unregister a synchronous button grab. See the XGrabButton
1706manpage.</p>
1707</dd>
1708</li>
957<dt><strong><a name="item_grab">$success = $term-&gt;grab ($eventtime[, $sync])</a></strong><br /> 1709<dt><strong><a name="item_grab">$success = $term-&gt;grab ($eventtime[, $sync])</a></strong>
958</dt> 1710
959<dd> 1711<dd>
960Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or 1712<p>Calls XGrabPointer and XGrabKeyboard in asynchronous (default) or
961synchronous (<code>$sync</code> is true). Also remembers the grab timestampe. 1713synchronous (<code>$sync</code> is true). Also remembers the grab timestamp.</p>
962</dd> 1714</dd>
963<p></p> 1715</li>
964<dt><strong><a name="item_allow_events_async">$term-&gt;allow_events_async</a></strong><br /> 1716<dt><strong><a name="item_allow_events_async">$term-&gt;allow_events_async</a></strong>
965</dt> 1717
966<dd> 1718<dd>
967Calls XAllowEvents with AsyncBoth for the most recent grab. 1719<p>Calls XAllowEvents with AsyncBoth for the most recent grab.</p>
968</dd> 1720</dd>
969<p></p> 1721</li>
970<dt><strong><a name="item_allow_events_sync">$term-&gt;allow_events_sync</a></strong><br /> 1722<dt><strong><a name="item_allow_events_sync">$term-&gt;allow_events_sync</a></strong>
971</dt> 1723
972<dd> 1724<dd>
973Calls XAllowEvents with SyncBoth for the most recent grab. 1725<p>Calls XAllowEvents with SyncBoth for the most recent grab.</p>
974</dd> 1726</dd>
975<p></p> 1727</li>
976<dt><strong><a name="item_allow_events_replay">$term-&gt;allow_events_replay</a></strong><br /> 1728<dt><strong><a name="item_allow_events_replay">$term-&gt;allow_events_replay</a></strong>
977</dt> 1729
978<dd> 1730<dd>
979Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most 1731<p>Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
980recent grab. 1732recent grab.</p>
981</dd> 1733</dd>
982<p></p> 1734</li>
983<dt><strong><a name="item_ungrab">$term-&gt;ungrab</a></strong><br /> 1735<dt><strong><a name="item_ungrab">$term-&gt;ungrab</a></strong>
984</dt> 1736
985<dd> 1737<dd>
986Calls XUngrab for the most recent grab. Is called automatically on 1738<p>Calls XUngrab for the most recent grab. Is called automatically on
987evaluation errors, as it is better to lose the grab in the error case as 1739evaluation errors, as it is better to lose the grab in the error case as
988the session. 1740the session.</p>
1741</dd>
1742</li>
1743<dt><strong><a name="item_xinternatom">$atom = $term-&gt;XInternAtom ($atom_name[, $only_if_exists])</a></strong>
1744
1745<dt><strong><a name="item_xgetatomname">$atom_name = $term-&gt;XGetAtomName ($atom)</a></strong>
1746
1747<dt><strong><a name="item_xlistproperties">@atoms = $term-&gt;XListProperties ($window)</a></strong>
1748
1749<dt><strong><a name="item_xgetwindowproperty">($type,$format,$octets) = $term-&gt;XGetWindowProperty ($window, $property)</a></strong>
1750
1751<dt><strong><a name="item_xchangewindowproperty">$term-&gt;XChangeWindowProperty ($window, $property, $type, $format, $octets)</a></strong>
1752
1753<dt><strong><a name="item_xdeleteproperty">$term-&gt;XDeleteProperty ($window, $property)</a></strong>
1754
1755<dt><strong><a name="item_defaultrootwindow">$window = $term-&gt;DefaultRootWindow</a></strong>
1756
1757<dt><strong><a name="item_xreparentwindow">$term-&gt;XReparentWindow ($window, $parent, [$x, $y])</a></strong>
1758
1759<dt><strong><a name="item_xmapwindow">$term-&gt;XMapWindow ($window)</a></strong>
1760
1761<dt><strong><a name="item_xunmapwindow">$term-&gt;XUnmapWindow ($window)</a></strong>
1762
1763<dt><strong><a name="item_xmoveresizewindow">$term-&gt;XMoveResizeWindow ($window, $x, $y, $width, $height)</a></strong>
1764
1765<dt><strong><a name="item_xtranslatecoordinates">($x, $y, $child_window) = $term-&gt;XTranslateCoordinates ($src, $dst, $x, $y)</a></strong>
1766
1767<dt><strong><a name="item_xchangeinput">$term-&gt;XChangeInput ($window, $add_events[, $del_events])</a></strong>
1768
989</dd> 1769<dd>
990<p></p></dl> 1770<p>Various X or X-related functions. The <a href="#item__term"><code>$term</code></a> object only serves as
1771the source of the display, otherwise those functions map more-or-less
1772directory onto the X functions of the same name.</p>
1773</dd>
1774</li>
1775</dl>
991<p> 1776<p>
992</p> 1777</p>
993<h2><a name="the_urxvt__popup_class">The <code>urxvt::popup</code> Class</a></h2> 1778<h2><a name="the_urxvt__popup_class">The <code>urxvt::popup</code> Class</a></h2>
1779<dl>
1780<dt><strong><a name="item_add_title">$popup-&gt;add_title ($title)</a></strong>
1781
1782<dd>
1783<p>Adds a non-clickable title to the popup.</p>
1784</dd>
1785</li>
1786<dt><strong><a name="item_add_separator">$popup-&gt;add_separator ([$sepchr])</a></strong>
1787
1788<dd>
1789<p>Creates a separator, optionally using the character given as <code>$sepchr</code>.</p>
1790</dd>
1791</li>
1792<dt><strong><a name="item_add_button">$popup-&gt;add_button ($text, $cb)</a></strong>
1793
1794<dd>
1795<p>Adds a clickable button to the popup. <code>$cb</code> is called whenever it is
1796selected.</p>
1797</dd>
1798</li>
1799<dt><strong><a name="item_add_toggle">$popup-&gt;add_toggle ($text, $initial_value, $cb)</a></strong>
1800
1801<dd>
1802<p>Adds a toggle/checkbox item to the popup. The callback gets called
1803whenever it gets toggled, with a boolean indicating its new value as its
1804first argument.</p>
1805</dd>
1806</li>
1807<dt><strong>$popup-&gt;show</strong>
1808
1809<dd>
1810<p>Displays the popup (which is initially hidden).</p>
1811</dd>
1812</li>
1813</dl>
994<p> 1814<p>
995</p> 1815</p>
996<h2><a name="the_urxvt__timer_class">The <code>urxvt::timer</code> Class</a></h2> 1816<h2><a name="the_urxvt__timer_class">The <code>urxvt::timer</code> Class</a></h2>
997<p>This class implements timer watchers/events. Time is represented as a 1817<p>This class implements timer watchers/events. Time is represented as a
998fractional number of seconds since the epoch. Example:</p> 1818fractional number of seconds since the epoch. Example:</p>
… …
1004 -&gt;cb (sub { 1824 -&gt;cb (sub {
1005 $term-&gt;{overlay}-&gt;set (0, 0, 1825 $term-&gt;{overlay}-&gt;set (0, 0,
1006 sprintf &quot;%2d:%02d:%02d&quot;, (localtime urxvt::NOW)[2,1,0]); 1826 sprintf &quot;%2d:%02d:%02d&quot;, (localtime urxvt::NOW)[2,1,0]);
1007 });</pre> 1827 });</pre>
1008<dl> 1828<dl>
1009<dt><strong><a name="item__24timer__3d_new_urxvt_3a_3atimer">$timer = new urxvt::timer</a></strong><br /> 1829<dt><strong><a name="item__timer">$timer = new urxvt::timer</a></strong>
1010</dt> 1830
1011<dd> 1831<dd>
1012Create a new timer object in started state. It is scheduled to fire 1832<p>Create a new timer object in started state. It is scheduled to fire
1013immediately. 1833immediately.</p>
1014</dd> 1834</dd>
1015<p></p> 1835</li>
1016<dt><strong><a name="item_cb">$timer = $timer-&gt;cb (sub { my ($timer) = @_; ... })</a></strong><br /> 1836<dt><strong><a name="item_cb">$timer = $timer-&gt;cb (sub { my ($timer) = @_; ... })</a></strong>
1017</dt> 1837
1018<dd> 1838<dd>
1019Set the callback to be called when the timer triggers. 1839<p>Set the callback to be called when the timer triggers.</p>
1020</dd> 1840</dd>
1021<p></p> 1841</li>
1022<dt><strong><a name="item_at">$tstamp = $timer-&gt;at</a></strong><br /> 1842<dt><strong><a name="item_at">$tstamp = $timer-&gt;at</a></strong>
1023</dt> 1843
1024<dd> 1844<dd>
1025Return the time this watcher will fire next. 1845<p>Return the time this watcher will fire next.</p>
1026</dd> 1846</dd>
1027<p></p> 1847</li>
1028<dt><strong>$timer = $timer-&gt;set ($tstamp)</strong><br /> 1848<dt><strong>$timer = $timer-&gt;set ($tstamp)</strong>
1029</dt> 1849
1030<dd> 1850<dd>
1031Set the time the event is generated to $tstamp. 1851<p>Set the time the event is generated to $tstamp.</p>
1032</dd> 1852</dd>
1033<p></p> 1853</li>
1034<dt><strong><a name="item_interval">$timer = $timer-&gt;interval ($interval)</a></strong><br /> 1854<dt><strong><a name="item_interval">$timer = $timer-&gt;interval ($interval)</a></strong>
1035</dt> 1855
1036<dd> 1856<dd>
1037Normally (and when <code>$interval</code> is <code>0</code>), the timer will automatically 1857<p>Normally (and when <code>$interval</code> is <code>0</code>), the timer will automatically
1038stop after it has fired once. If <code>$interval</code> is non-zero, then the timer 1858stop after it has fired once. If <code>$interval</code> is non-zero, then the timer
1039is automatically rescheduled at the given intervals. 1859is automatically rescheduled at the given intervals.</p>
1040</dd> 1860</dd>
1041<p></p> 1861</li>
1042<dt><strong><a name="item_start">$timer = $timer-&gt;start</a></strong><br /> 1862<dt><strong><a name="item_start">$timer = $timer-&gt;start</a></strong>
1043</dt> 1863
1044<dd>
1045Start the timer.
1046</dd> 1864<dd>
1047<p></p> 1865<p>Start the timer.</p>
1866</dd>
1867</li>
1048<dt><strong>$timer = $timer-&gt;start ($tstamp)</strong><br /> 1868<dt><strong>$timer = $timer-&gt;start ($tstamp)</strong>
1049</dt> 1869
1050<dd> 1870<dd>
1051Set the event trigger time to <code>$tstamp</code> and start the timer. 1871<p>Set the event trigger time to <code>$tstamp</code> and start the timer.</p>
1872</dd>
1873</li>
1874<dt><strong><a name="item_after">$timer = $timer-&gt;after ($delay)</a></strong>
1875
1052</dd> 1876<dd>
1053<p></p> 1877<p>Like <a href="#item_start"><code>start</code></a>, but sets the expiry timer to c&lt;urxvt::NOW + $delay&gt;.</p>
1878</dd>
1879</li>
1054<dt><strong><a name="item_stop">$timer = $timer-&gt;stop</a></strong><br /> 1880<dt><strong><a name="item_stop">$timer = $timer-&gt;stop</a></strong>
1055</dt> 1881
1056<dd>
1057Stop the timer.
1058</dd> 1882<dd>
1059<p></p></dl> 1883<p>Stop the timer.</p>
1884</dd>
1885</li>
1886</dl>
1060<p> 1887<p>
1061</p> 1888</p>
1062<h2><a name="the_urxvt__iow_class">The <code>urxvt::iow</code> Class</a></h2> 1889<h2><a name="the_urxvt__iow_class">The <code>urxvt::iow</code> Class</a></h2>
1063<p>This class implements io watchers/events. Example:</p> 1890<p>This class implements io watchers/events. Example:</p>
1064<pre> 1891<pre>
1065 $term-&gt;{socket} = ... 1892 $term-&gt;{socket} = ...
1066 $term-&gt;{iow} = urxvt::iow 1893 $term-&gt;{iow} = urxvt::iow
1067 -&gt;new 1894 -&gt;new
1068 -&gt;fd (fileno $term-&gt;{socket}) 1895 -&gt;fd (fileno $term-&gt;{socket})
1069 -&gt;events (1) # wait for read data 1896 -&gt;events (urxvt::EVENT_READ)
1070 -&gt;start 1897 -&gt;start
1071 -&gt;cb (sub { 1898 -&gt;cb (sub {
1072 my ($iow, $revents) = @_; 1899 my ($iow, $revents) = @_;
1073 # $revents must be 1 here, no need to check 1900 # $revents must be 1 here, no need to check
1074 sysread $term-&gt;{socket}, my $buf, 8192 1901 sysread $term-&gt;{socket}, my $buf, 8192
1075 or end-of-file; 1902 or end-of-file;
1076 });</pre> 1903 });</pre>
1077<dl> 1904<dl>
1078<dt><strong><a name="item__24iow__3d_new_urxvt_3a_3aiow">$iow = new urxvt::iow</a></strong><br /> 1905<dt><strong><a name="item__iow">$iow = new urxvt::iow</a></strong>
1079</dt> 1906
1080<dd> 1907<dd>
1081Create a new io watcher object in stopped state. 1908<p>Create a new io watcher object in stopped state.</p>
1082</dd> 1909</dd>
1083<p></p> 1910</li>
1084<dt><strong>$iow = $iow-&gt;cb (sub { my ($iow, $reventmask) = @_; ... })</strong><br /> 1911<dt><strong>$iow = $iow-&gt;cb (sub { my ($iow, $reventmask) = @_; ... })</strong>
1085</dt> 1912
1086<dd> 1913<dd>
1087Set the callback to be called when io events are triggered. <code>$reventmask</code> 1914<p>Set the callback to be called when io events are triggered. <code>$reventmask</code>
1088is a bitset as described in the <a href="#item_events"><code>events</code></a> method. 1915is a bitset as described in the <a href="#item_events"><code>events</code></a> method.</p>
1089</dd> 1916</dd>
1090<p></p> 1917</li>
1091<dt><strong><a name="item_fd">$iow = $iow-&gt;fd ($fd)</a></strong><br /> 1918<dt><strong><a name="item_fd">$iow = $iow-&gt;fd ($fd)</a></strong>
1092</dt> 1919
1093<dd> 1920<dd>
1094Set the filedescriptor (not handle) to watch. 1921<p>Set the file descriptor (not handle) to watch.</p>
1095</dd> 1922</dd>
1096<p></p> 1923</li>
1097<dt><strong><a name="item_events">$iow = $iow-&gt;events ($eventmask)</a></strong><br /> 1924<dt><strong><a name="item_events">$iow = $iow-&gt;events ($eventmask)</a></strong>
1098</dt> 1925
1099<dd>
1100Set the event mask to watch. Bit #0 (value <code>1</code>) enables watching for read
1101data, Bit #1 (value <code>2</code>) enables watching for write data.
1102</dd> 1926<dd>
1103<p></p> 1927<p>Set the event mask to watch. The only allowed values are
1928<code>urxvt::EVENT_READ</code> and <code>urxvt::EVENT_WRITE</code>, which might be ORed
1929together, or <code>urxvt::EVENT_NONE</code>.</p>
1930</dd>
1931</li>
1104<dt><strong>$iow = $iow-&gt;start</strong><br /> 1932<dt><strong>$iow = $iow-&gt;start</strong>
1105</dt> 1933
1106<dd> 1934<dd>
1107Start watching for requested events on the given handle. 1935<p>Start watching for requested events on the given handle.</p>
1108</dd> 1936</dd>
1109<p></p> 1937</li>
1110<dt><strong>$iow = $iow-&gt;stop</strong><br /> 1938<dt><strong>$iow = $iow-&gt;stop</strong>
1111</dt> 1939
1112<dd> 1940<dd>
1113Stop watching for events on the given filehandle. 1941<p>Stop watching for events on the given file handle.</p>
1942</dd>
1943</li>
1944</dl>
1945<p>
1946</p>
1947<h2><a name="the_urxvt__iw_class">The <code>urxvt::iw</code> Class</a></h2>
1948<p>This class implements idle watchers, that get called automatically when
1949the process is idle. They should return as fast as possible, after doing
1950some useful work.</p>
1951<dl>
1952<dt><strong><a name="item__iw">$iw = new urxvt::iw</a></strong>
1953
1114</dd> 1954<dd>
1115<p></p></dl> 1955<p>Create a new idle watcher object in stopped state.</p>
1956</dd>
1957</li>
1958<dt><strong>$iw = $iw-&gt;cb (sub { my ($iw) = @_; ... })</strong>
1959
1960<dd>
1961<p>Set the callback to be called when the watcher triggers.</p>
1962</dd>
1963</li>
1964<dt><strong>$timer = $timer-&gt;start</strong>
1965
1966<dd>
1967<p>Start the watcher.</p>
1968</dd>
1969</li>
1970<dt><strong>$timer = $timer-&gt;stop</strong>
1971
1972<dd>
1973<p>Stop the watcher.</p>
1974</dd>
1975</li>
1976</dl>
1977<p>
1978</p>
1979<h2><a name="the_urxvt__pw_class">The <code>urxvt::pw</code> Class</a></h2>
1980<p>This class implements process watchers. They create an event whenever a
1981process exits, after which they stop automatically.</p>
1982<pre>
1983 my $pid = fork;
1984 ...
1985 $term-&gt;{pw} = urxvt::pw
1986 -&gt;new
1987 -&gt;start ($pid)
1988 -&gt;cb (sub {
1989 my ($pw, $exit_status) = @_;
1990 ...
1991 });</pre>
1992<dl>
1993<dt><strong><a name="item__pw">$pw = new urxvt::pw</a></strong>
1994
1995<dd>
1996<p>Create a new process watcher in stopped state.</p>
1997</dd>
1998</li>
1999<dt><strong>$pw = $pw-&gt;cb (sub { my ($pw, $exit_status) = @_; ... })</strong>
2000
2001<dd>
2002<p>Set the callback to be called when the timer triggers.</p>
2003</dd>
2004</li>
2005<dt><strong>$pw = $timer-&gt;start ($pid)</strong>
2006
2007<dd>
2008<p>Tells the watcher to start watching for process <code>$pid</code>.</p>
2009</dd>
2010</li>
2011<dt><strong>$pw = $pw-&gt;stop</strong>
2012
2013<dd>
2014<p>Stop the watcher.</p>
2015</dd>
2016</li>
2017</dl>
1116<p> 2018<p>
1117</p> 2019</p>
1118<hr /> 2020<hr />
1119<h1><a name="environment">ENVIRONMENT</a></h1> 2021<h1><a name="environment">ENVIRONMENT</a></h1>
1120<p> 2022<p>
1121</p> 2023</p>
1122<h2><a name="urxvt_perl_verbosity">URXVT_PERL_VERBOSITY</a></h2> 2024<h2><a name="urxvt_perl_verbosity">URXVT_PERL_VERBOSITY</a></h2>
1123<p>This variable controls the verbosity level of the perl extension. Higher 2025<p>This variable controls the verbosity level of the perl extension. Higher
1124numbers indicate more verbose output.</p> 2026numbers indicate more verbose output.</p>
1125<dl> 2027<dl>
1126<dt><strong><a name="item__3d_3d_0__2d_fatal_messages">== 0 - fatal messages</a></strong><br /> 2028<dt><strong><a name="item__3d_3d_0__2d_fatal_messages">== 0 - fatal messages</a></strong>
1127</dt> 2029
1128<dt><strong><a name="item__3e_3d_3__2d_script_loading_and_management">&gt;= 3 - script loading and management</a></strong><br /> 2030<dt><strong><a name="item__3e_3d_3__2d_script_loading_and_management">&gt;= 3 - script loading and management</a></strong>
1129</dt> 2031
1130<dt><strong><a name="item__3e_3d10__2d_all_events_received">&gt;=10 - all events received</a></strong><br /> 2032<dt><strong><a name="item__3e_3d10__2d_all_called_hooks">&gt;=10 - all called hooks</a></strong>
1131</dt> 2033
2034<dt><strong><a name="item__3e_3d11__2d_hook_return_values">&gt;=11 - hook return values</a></strong>
2035
1132</dl> 2036</dl>
1133<p> 2037<p>
1134</p> 2038</p>
1135<hr /> 2039<hr />
1136<h1><a name="author">AUTHOR</a></h1> 2040<h1><a name="author">AUTHOR</a></h1>

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