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1 | =encoding utf8 |
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2 | |
1 | =head1 NAME |
3 | =head1 NAME |
2 | |
4 | |
3 | rxvtperl - rxvt-unicode's embedded perl interpreter |
5 | @@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter |
4 | |
6 | |
5 | =head1 SYNOPSIS |
7 | =head1 SYNOPSIS |
6 | |
8 | |
7 | * Put your scripts into F<@@RXVT_LIBDIR@@/urxvt/perl-ext/>, they will be loaded automatically. |
9 | # create a file grab_test in $HOME: |
8 | |
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9 | * Scripts are evaluated in a 'use strict' and 'use utf8' environment, and |
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10 | thus must be encoded as UTF-8. |
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11 | |
10 | |
12 | sub on_sel_grab { |
11 | sub on_sel_grab { |
13 | warn "you selected ", $_[0]->selection; |
12 | warn "you selected ", $_[0]->selection; |
14 | () |
13 | () |
15 | } |
14 | } |
16 | |
15 | |
17 | 1 |
16 | # start a @@RXVT_NAME@@ using it: |
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17 | |
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18 | @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test |
18 | |
19 | |
19 | =head1 DESCRIPTION |
20 | =head1 DESCRIPTION |
20 | |
21 | |
21 | On startup, @@RXVT_NAME@@ will scan F<@@RXVT_LIBDIR@@/urxvt/perl-ext/> |
22 | Everytime a terminal object gets created, scripts specified via the |
22 | for files and will load them. Everytime a terminal object gets created, |
23 | C<perl> resource are loaded and associated with it. |
23 | the directory specified by the C<perl-lib> resource will be additionally |
24 | |
24 | scanned. |
25 | Scripts are compiled in a 'use strict' and 'use utf8' environment, and |
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26 | thus must be encoded as UTF-8. |
25 | |
27 | |
26 | Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where |
28 | Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where |
27 | scripts will be shared for all terminals. |
29 | scripts will be shared (but not enabled) for all terminals. |
28 | |
30 | |
29 | Hooks in scripts specified by C<perl-lib> will only be called for the |
31 | =head2 Prepackaged Extensions |
30 | terminals created with that specific option value. |
32 | |
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33 | This section describes the extensiosn delivered with this version. You can |
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34 | find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. |
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35 | |
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36 | You can activate them like this: |
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37 | |
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38 | @@RXVT_NAME@@ -pe <extensionname> |
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39 | |
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40 | =over 4 |
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41 | |
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42 | =item selection |
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43 | |
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44 | Intelligent selection. This extension tries to be more intelligent when |
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45 | the user extends selections (double-click). Right now, it tries to select |
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46 | urls and complete shell-quoted arguments, which is very convenient, too, |
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47 | if your F<ls> supports C<--quoting-style=shell>. |
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48 | |
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49 | It also offers the following bindable event: |
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50 | |
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51 | =over 4 |
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52 | |
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53 | =item rot13 |
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54 | |
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55 | Rot-13 the selection when activated. Used via keyboard trigger: |
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56 | |
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57 | URxvt.keysym.C-M-r: perl:selection:rot13 |
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58 | |
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59 | =back |
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60 | |
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61 | =item digital-clock |
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62 | |
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63 | Displays a digital clock using the built-in overlay. |
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64 | |
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65 | =item mark-urls |
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66 | |
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67 | Uses per-line display filtering (C<on_line_update>) to underline urls. |
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68 | |
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69 | =item block-graphics-to-ascii |
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70 | |
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71 | A not very useful example of filtering all text output to the terminal, |
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72 | by replacing all line-drawing characters (U+2500 .. U+259F) by a |
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73 | similar-looking ascii character. |
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74 | |
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75 | =item example-refresh-hooks |
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76 | |
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77 | Displays a very simple digital clock in the upper right corner of the |
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78 | window. Illustrates overwriting the refresh callbacks to create your own |
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79 | overlays or changes. |
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80 | |
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81 | =back |
31 | |
82 | |
32 | =head2 General API Considerations |
83 | =head2 General API Considerations |
33 | |
84 | |
34 | All objects (such as terminals, time watchers etc.) are typical |
85 | All objects (such as terminals, time watchers etc.) are typical |
35 | reference-to-hash objects. The hash can be used to store anything you |
86 | reference-to-hash objects. The hash can be used to store anything you |
36 | like. The only reserved member is C<_ptr>, which must not be changed. |
87 | like. All members starting with an underscore (such as C<_ptr> or |
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88 | C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or |
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89 | modified). |
37 | |
90 | |
38 | When objects are destroyed on the C++ side, the perl object hashes are |
91 | When objects are destroyed on the C++ side, the perl object hashes are |
39 | emptied, so its best to store related objects such as time watchers and |
92 | emptied, so its best to store related objects such as time watchers and |
40 | the like inside the terminal object so they get destroyed as soon as the |
93 | the like inside the terminal object so they get destroyed as soon as the |
41 | terminal is destroyed. |
94 | terminal is destroyed. |
42 | |
95 | |
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96 | Argument names also often indicate the type of a parameter. Here are some |
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97 | hints on what they mean: |
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98 | |
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99 | =over 4 |
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100 | |
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101 | =item $text |
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102 | |
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103 | Rxvt-unicodes special way of encoding text, where one "unicode" character |
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104 | always represents one screen cell. See L<row_t> for a discussion of this format. |
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105 | |
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106 | =item $string |
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107 | |
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108 | A perl text string, with an emphasis on I<text>. It can store all unicode |
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109 | characters and is to be distinguished with text encoded in a specific |
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110 | encoding (often locale-specific) and binary data. |
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111 | |
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112 | =item $octets |
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113 | |
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114 | Either binary data or - more common - a text string encoded in a |
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115 | locale-specific way. |
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116 | |
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117 | =back |
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118 | |
43 | =head2 Hooks |
119 | =head2 Hooks |
44 | |
120 | |
45 | The following subroutines can be declared in loaded scripts, and will be called |
121 | The following subroutines can be declared in extension files, and will be |
46 | whenever the relevant event happens. |
122 | called whenever the relevant event happens. |
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123 | |
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124 | The first argument passed to them is an object private to each terminal |
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125 | and extension package. You can call all C<urxvt::term> methods on it, but |
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126 | its not a real C<urxvt::term> object. Instead, the real C<urxvt::term> |
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127 | object that is shared between all packages is stored in the C<term> |
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128 | member. |
47 | |
129 | |
48 | All of them must return a boolean value. If it is true, then the event |
130 | All of them must return a boolean value. If it is true, then the event |
49 | counts as being I<consumed>, and the invocation of other hooks is skipped, |
131 | counts as being I<consumed>, and the invocation of other hooks is skipped, |
50 | and the relevant action might not be carried out by the C++ code. |
132 | and the relevant action might not be carried out by the C++ code. |
51 | |
133 | |
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54 | =over 4 |
136 | =over 4 |
55 | |
137 | |
56 | =item on_init $term |
138 | =item on_init $term |
57 | |
139 | |
58 | Called after a new terminal object has been initialized, but before |
140 | Called after a new terminal object has been initialized, but before |
59 | windows are created or the command gets run. |
141 | windows are created or the command gets run. Most methods are unsafe to |
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142 | call or deliver senseless data, as terminal size and other characteristics |
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143 | have not yet been determined. You can safely query and change resources, |
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144 | though. |
60 | |
145 | |
61 | =item on_reset $term |
146 | =item on_reset $term |
62 | |
147 | |
63 | Called after the screen is "reset" for any reason, such as resizing or |
148 | Called after the screen is "reset" for any reason, such as resizing or |
64 | control sequences. Here is where you can react on changes to size-related |
149 | control sequences. Here is where you can react on changes to size-related |
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84 | requested from the server. The selection text can be queried and changed |
169 | requested from the server. The selection text can be queried and changed |
85 | by calling C<< $term->selection >>. |
170 | by calling C<< $term->selection >>. |
86 | |
171 | |
87 | Returning a true value aborts selection grabbing. It will still be hilighted. |
172 | Returning a true value aborts selection grabbing. It will still be hilighted. |
88 | |
173 | |
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174 | =item on_sel_extend $term |
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175 | |
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176 | Called whenever the user tries to extend the selection (e.g. with a double |
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177 | click) and is either supposed to return false (normal operation), or |
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178 | should extend the selection itelf and return true to suppress the built-in |
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179 | processing. |
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180 | |
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181 | See the F<selection> example extension. |
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182 | |
89 | =item on_focus_in $term |
183 | =item on_focus_in $term |
90 | |
184 | |
91 | Called whenever the window gets the keyboard focus, before urxvt does |
185 | Called whenever the window gets the keyboard focus, before urxvt does |
92 | focus in processing. |
186 | focus in processing. |
93 | |
187 | |
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113 | number of lines that will be in the scrollback buffer. |
207 | number of lines that will be in the scrollback buffer. |
114 | |
208 | |
115 | =item on_tty_activity $term *NYI* |
209 | =item on_tty_activity $term *NYI* |
116 | |
210 | |
117 | Called whenever the program(s) running in the urxvt window send output. |
211 | Called whenever the program(s) running in the urxvt window send output. |
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212 | |
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213 | =item on_osc_seq $term, $string |
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214 | |
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215 | Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = |
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216 | operating system command) is processed. Cursor position and other state |
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217 | information is up-to-date when this happens. For interoperability, the |
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218 | string should start with the extension name and a colon, to distinguish |
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219 | it from commands for other extensions, and this might be enforced in the |
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220 | future. |
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221 | |
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222 | Be careful not ever to trust (in a security sense) the data you receive, |
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223 | as its source can not easily be controleld (e-mail content, messages from |
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224 | other users on the same system etc.). |
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225 | |
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226 | =item on_add_lines $term, $string |
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227 | |
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228 | Called whenever text is about to be output, with the text as argument. You |
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229 | can filter/change and output the text yourself by returning a true value |
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230 | and calling C<< $term->scr_add_lines >> yourself. Please note that this |
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231 | might be very slow, however, as your hook is called for B<all> text being |
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232 | output. |
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233 | |
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234 | =item on_line_update $term, $row |
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235 | |
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236 | Called whenever a line was updated or changed. Can be used to filter |
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237 | screen output (e.g. underline urls or other useless stuff). Only lines |
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238 | that are being shown will be filtered, and, due to performance reasons, |
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239 | not always immediately. |
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240 | |
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241 | The row number is always the topmost row of the line if the line spans |
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242 | multiple rows. |
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243 | |
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244 | Please note that, if you change the line, then the hook might get called |
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245 | later with the already-modified line (e.g. if unrelated parts change), so |
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246 | you cannot just toggle rendition bits, but only set them. |
118 | |
247 | |
119 | =item on_refresh_begin $term |
248 | =item on_refresh_begin $term |
120 | |
249 | |
121 | Called just before the screen gets redrawn. Can be used for overlay |
250 | Called just before the screen gets redrawn. Can be used for overlay |
122 | or similar effects by modify terminal contents in refresh_begin, and |
251 | or similar effects by modify terminal contents in refresh_begin, and |
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125 | |
254 | |
126 | =item on_refresh_end $term |
255 | =item on_refresh_end $term |
127 | |
256 | |
128 | Called just after the screen gets redrawn. See C<on_refresh_begin>. |
257 | Called just after the screen gets redrawn. See C<on_refresh_begin>. |
129 | |
258 | |
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259 | =item on_keyboard_command $term, $string |
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260 | |
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261 | Called whenever the user presses a key combination that has a |
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262 | C<perl:string> action bound to it (see description of the B<keysym> |
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263 | resource in the @@RXVT_NAME@@(1) manpage). |
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264 | |
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265 | =item on_key_press $term, $event, $octets |
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266 | |
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267 | =item on_key_release $term, $event |
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268 | |
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269 | =item on_button_press $term, $event |
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270 | |
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271 | =item on_button_release $term, $event |
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272 | |
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273 | =item on_motion_notify $term, $event |
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274 | |
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275 | Called whenever the corresponding X event is received for the terminal If |
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276 | the hook returns true, then the even will be ignored by rxvt-unicode. |
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277 | |
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278 | The event is a hash with most values as named by Xlib (see the XEvent |
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279 | manpage), with the additional members C<row> and C<col>, which are the row |
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280 | and column under the mouse cursor. |
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281 | |
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282 | C<on_key_press> additionally receives the string rxvt-unicode would |
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283 | output, if any, in locale-specific encoding. |
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284 | |
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285 | subwindow. |
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286 | |
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287 | =back |
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288 | |
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289 | =head2 Variables in the C<urxvt> Package |
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290 | |
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291 | =over 4 |
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292 | |
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293 | =item $urxvt::TERM |
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294 | |
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295 | The current terminal. This variable stores the current C<urxvt::term> |
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296 | object, whenever a callback/hook is executing. |
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297 | |
130 | =back |
298 | =back |
131 | |
299 | |
132 | =head2 Functions in the C<urxvt> Package |
300 | =head2 Functions in the C<urxvt> Package |
133 | |
301 | |
134 | =over 4 |
302 | =over 4 |
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303 | |
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304 | =item $term = new urxvt [arg...] |
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305 | |
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306 | Creates a new terminal, very similar as if you had started it with |
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307 | C<system $binfile, arg...>. Croaks (and probably outputs an error message) |
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308 | if the new instance couldn't be created. Returns C<undef> if the new |
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309 | instance didn't initialise perl, and the terminal object otherwise. The |
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310 | C<init> and C<start> hooks will be called during the call. |
135 | |
311 | |
136 | =item urxvt::fatal $errormessage |
312 | =item urxvt::fatal $errormessage |
137 | |
313 | |
138 | Fatally aborts execution with the given error message. Avoid at all |
314 | Fatally aborts execution with the given error message. Avoid at all |
139 | costs! The only time this is acceptable is when the terminal process |
315 | costs! The only time this is acceptable is when the terminal process |
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150 | |
326 | |
151 | =item $time = urxvt::NOW |
327 | =item $time = urxvt::NOW |
152 | |
328 | |
153 | Returns the "current time" (as per the event loop). |
329 | Returns the "current time" (as per the event loop). |
154 | |
330 | |
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331 | =back |
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332 | |
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333 | =head2 RENDITION |
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334 | |
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335 | Rendition bitsets contain information about colour, font, font styles and |
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336 | similar information for each screen cell. |
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337 | |
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338 | The following "macros" deal with changes in rendition sets. You should |
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339 | never just create a bitset, you should always modify an existing one, |
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340 | as they contain important information required for correct operation of |
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341 | rxvt-unicode. |
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342 | |
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343 | =over 4 |
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344 | |
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345 | =item $rend = urxvt::DEFAULT_RSTYLE |
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346 | |
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347 | Returns the default rendition, as used when the terminal is starting up or |
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348 | being reset. Useful as a base to start when creating renditions. |
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349 | |
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350 | =item $rend = urxvt::OVERLAY_RSTYLE |
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351 | |
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352 | Return the rendition mask used for overlays by default. |
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353 | |
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354 | =item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline |
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355 | |
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356 | Return the bit that enabled bold, italic, blink, reverse-video and |
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357 | underline, respectively. To enable such a style, just logically OR it into |
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358 | the bitset. |
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359 | |
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360 | =item $foreground = urxvt::GET_BASEFG $rend |
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361 | |
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362 | =item $background = urxvt::GET_BASEBG $rend |
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363 | |
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364 | Return the foreground/background colour index, respectively. |
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365 | |
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366 | =item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) |
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367 | |
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368 | =item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) |
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369 | |
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370 | Replace the foreground/background colour in the rendition mask with the |
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371 | specified one. |
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372 | |
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373 | =item $value = urxvt::GET_CUSTOM ($rend) |
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374 | |
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375 | Return the "custom" value: Every rendition has 5 bits for use by |
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376 | extensions. They can be set and changed as you like and are initially |
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377 | zero. |
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378 | |
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379 | =item $rend = urxvt::SET_CUSTOM ($rend, $new_value) |
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380 | |
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381 | Change the custom value. |
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382 | |
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383 | =back |
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384 | |
155 | =cut |
385 | =cut |
156 | |
386 | |
157 | package urxvt; |
387 | package urxvt; |
158 | |
388 | |
159 | use strict; |
389 | use strict; |
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390 | use Scalar::Util (); |
160 | |
391 | |
161 | our $term; |
392 | our $TERM; |
162 | our @HOOKNAME; |
393 | our @HOOKNAME; |
163 | our $LIBDIR; |
394 | our $LIBDIR; |
164 | |
395 | |
165 | BEGIN { |
396 | BEGIN { |
166 | urxvt->bootstrap; |
397 | urxvt->bootstrap; |
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172 | unless $msg =~ /\n$/; |
403 | unless $msg =~ /\n$/; |
173 | urxvt::warn ($msg); |
404 | urxvt::warn ($msg); |
174 | }; |
405 | }; |
175 | } |
406 | } |
176 | |
407 | |
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408 | my @hook_count; |
177 | my $verbosity = $ENV{URXVT_PERL_VERBOSITY} || 10; |
409 | my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; |
178 | |
410 | |
179 | sub verbose { |
411 | sub verbose { |
180 | my ($level, $msg) = @_; |
412 | my ($level, $msg) = @_; |
181 | warn "$msg\n"; #d# |
413 | warn "$msg\n" if $level <= $verbosity; |
182 | } |
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183 | |
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184 | my @invoke_cb; |
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185 | |
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186 | # called by the rxvt core |
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187 | sub invoke { |
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188 | local $term = shift; |
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189 | my $htype = shift; |
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190 | |
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191 | my $cb = $invoke_cb[$htype]; |
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192 | |
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193 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" |
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194 | if $verbosity >= 10; |
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195 | |
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196 | while (my ($k, $v) = each %$cb) { |
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197 | return 1 if $v->($term, @_); |
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198 | } |
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199 | |
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200 | 0 |
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201 | } |
414 | } |
202 | |
415 | |
203 | # find on_xxx subs in the package and register them |
416 | # find on_xxx subs in the package and register them |
204 | # as hooks |
417 | # as hooks |
205 | sub register_package($) { |
418 | sub register_package($) { |
206 | my ($pkg) = @_; |
419 | my ($pkg) = @_; |
207 | |
420 | |
208 | for my $hook (0.. $#HOOKNAME) { |
421 | for my $htype (0.. $#HOOKNAME) { |
209 | my $name = $HOOKNAME[$hook]; |
422 | my $name = $HOOKNAME[$htype]; |
210 | |
423 | |
211 | my $ref = $pkg->can ("on_" . lc $name) |
424 | my $ref = $pkg->can ("on_" . lc $name) |
212 | or next; |
425 | or next; |
213 | |
426 | |
214 | $invoke_cb[$hook]{$ref*1} = $ref; |
427 | $TERM->{_hook}[$htype]{$pkg} = $ref; |
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428 | $hook_count[$htype]++ |
215 | set_should_invoke $hook, 1; |
429 | or set_should_invoke $htype, 1; |
216 | } |
430 | } |
217 | } |
431 | } |
218 | |
432 | |
219 | my $script_pkg = "script0000"; |
433 | my $script_pkg = "script0000"; |
220 | my %script_pkg; |
434 | my %script_pkg; |
221 | |
435 | |
222 | # load a single script into its own package, once only |
436 | # load a single script into its own package, once only |
223 | sub load_script($) { |
437 | sub script_package($) { |
224 | my ($path) = @_; |
438 | my ($path) = @_; |
225 | |
439 | |
226 | $script_pkg{$path} ||= do { |
440 | $script_pkg{$path} ||= do { |
227 | my $pkg = $script_pkg++; |
441 | my $pkg = "urxvt::" . ($script_pkg++); |
|
|
442 | |
228 | verbose 3, "loading script '$path' into package '$pkg'"; |
443 | verbose 3, "loading script '$path' into package '$pkg'"; |
229 | |
444 | |
230 | open my $fh, "<:raw", $path |
445 | open my $fh, "<:raw", $path |
231 | or die "$path: $!"; |
446 | or die "$path: $!"; |
232 | |
447 | |
233 | eval "package $pkg; use strict; use utf8;\n" |
448 | my $source = "package $pkg; use strict; use utf8;\n" |
234 | . "#line 1 \"$path\"\n" |
449 | . "#line 1 \"$path\"\n{\n" |
235 | . do { local $/; <$fh> } |
450 | . (do { local $/; <$fh> }) |
|
|
451 | . "\n};\n1"; |
|
|
452 | |
236 | or die "$path: $@"; |
453 | eval $source or die "$path: $@"; |
237 | |
|
|
238 | register_package $pkg; |
|
|
239 | |
454 | |
240 | $pkg |
455 | $pkg |
241 | }; |
456 | } |
242 | } |
457 | } |
243 | |
458 | |
244 | sub load_scripts($) { |
459 | our $retval; # return value for urxvt |
245 | my ($dir) = @_; |
|
|
246 | |
460 | |
247 | verbose 3, "loading scripts from '$dir'"; |
461 | # called by the rxvt core |
|
|
462 | sub invoke { |
|
|
463 | local $TERM = shift; |
|
|
464 | my $htype = shift; |
248 | |
465 | |
249 | load_script $_ |
466 | if ($htype == 0) { # INIT |
250 | for grep -f $_, |
467 | my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); |
251 | <$dir/perl-ext/*>; |
|
|
252 | } |
|
|
253 | |
468 | |
254 | sub on_init { |
469 | for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { |
255 | my ($term) = @_; |
470 | my @files = grep -f $_, map "$_/$ext", @dirs; |
256 | |
471 | |
257 | my $libdir = $term->resource ("perl_lib"); |
472 | if (@files) { |
|
|
473 | register_package script_package $files[0]; |
|
|
474 | } else { |
|
|
475 | warn "perl extension '$ext' not found in perl library search path\n"; |
|
|
476 | } |
|
|
477 | } |
|
|
478 | } |
258 | |
479 | |
259 | load_scripts $libdir |
480 | $retval = undef; |
260 | if defined $libdir; |
|
|
261 | } |
|
|
262 | |
481 | |
263 | register_package __PACKAGE__; |
482 | if (my $cb = $TERM->{_hook}[$htype]) { |
264 | load_scripts $LIBDIR; |
483 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" |
|
|
484 | if $verbosity >= 10; |
265 | |
485 | |
266 | =back |
486 | keys %$cb; |
|
|
487 | |
|
|
488 | while (my ($pkg, $cb) = each %$cb) { |
|
|
489 | $retval = $cb->( |
|
|
490 | $TERM->{_pkg}{$pkg} ||= do { |
|
|
491 | my $proxy = bless { }, urxvt::term::proxy::; |
|
|
492 | Scalar::Util::weaken ($proxy->{term} = $TERM); |
|
|
493 | $proxy |
|
|
494 | }, |
|
|
495 | @_, |
|
|
496 | ) and last; |
|
|
497 | } |
|
|
498 | } |
|
|
499 | |
|
|
500 | if ($htype == 1) { # DESTROY |
|
|
501 | # remove hooks if unused |
|
|
502 | if (my $hook = $TERM->{_hook}) { |
|
|
503 | for my $htype (0..$#$hook) { |
|
|
504 | $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } |
|
|
505 | or set_should_invoke $htype, 0; |
|
|
506 | } |
|
|
507 | } |
|
|
508 | |
|
|
509 | # clear package objects |
|
|
510 | %$_ = () for values %{ $TERM->{_pkg} }; |
|
|
511 | |
|
|
512 | # clear package |
|
|
513 | %$TERM = (); |
|
|
514 | } |
|
|
515 | |
|
|
516 | $retval |
|
|
517 | } |
|
|
518 | |
|
|
519 | sub urxvt::term::proxy::AUTOLOAD { |
|
|
520 | $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ |
|
|
521 | or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; |
|
|
522 | |
|
|
523 | eval qq{ |
|
|
524 | sub $urxvt::term::proxy::AUTOLOAD { |
|
|
525 | my \$proxy = shift; |
|
|
526 | \$proxy->{term}->$1 (\@_) |
|
|
527 | } |
|
|
528 | 1 |
|
|
529 | } or die "FATAL: unable to compile method forwarder: $@"; |
|
|
530 | |
|
|
531 | goto &$urxvt::term::proxy::AUTOLOAD; |
|
|
532 | } |
267 | |
533 | |
268 | =head2 The C<urxvt::term> Class |
534 | =head2 The C<urxvt::term> Class |
269 | |
535 | |
270 | =over 4 |
536 | =over 4 |
|
|
537 | |
|
|
538 | =item $term->destroy |
|
|
539 | |
|
|
540 | Destroy the terminal object (close the window, free resources etc.). |
271 | |
541 | |
272 | =item $value = $term->resource ($name[, $newval]) |
542 | =item $value = $term->resource ($name[, $newval]) |
273 | |
543 | |
274 | Returns the current resource value associated with a given name and |
544 | Returns the current resource value associated with a given name and |
275 | optionally sets a new value. Setting values is most useful in the C<init> |
545 | optionally sets a new value. Setting values is most useful in the C<init> |
… | |
… | |
292 | |
562 | |
293 | answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont |
563 | answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont |
294 | borderLess color cursorBlink cursorUnderline cutchars delete_key |
564 | borderLess color cursorBlink cursorUnderline cutchars delete_key |
295 | display_name embed ext_bwidth fade font geometry hold iconName |
565 | display_name embed ext_bwidth fade font geometry hold iconName |
296 | imFont imLocale inputMethod insecure int_bwidth intensityStyles |
566 | imFont imLocale inputMethod insecure int_bwidth intensityStyles |
297 | italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 |
567 | italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier |
298 | modifier mouseWheelScrollPage name pastableTabs path perl perl_eval |
568 | mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 |
299 | perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd |
569 | perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd |
300 | reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating |
570 | reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating |
301 | scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput |
571 | scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput |
302 | scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle |
572 | scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle |
303 | shade term_name title transparent transparent_all tripleclickwords |
573 | shade term_name title transparent transparent_all tripleclickwords |
… | |
… | |
309 | my ($self, $name) = (shift, shift); |
579 | my ($self, $name) = (shift, shift); |
310 | unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); |
580 | unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); |
311 | goto &urxvt::term::_resource; |
581 | goto &urxvt::term::_resource; |
312 | } |
582 | } |
313 | |
583 | |
|
|
584 | =item $rend = $term->rstyle ([$new_rstyle]) |
|
|
585 | |
|
|
586 | Return and optionally change the current rendition. Text that is output by |
|
|
587 | the terminal application will use this style. |
|
|
588 | |
|
|
589 | =item ($row, $col) = $term->screen_cur ([$row, $col]) |
|
|
590 | |
|
|
591 | Return the current coordinates of the text cursor position and optionally |
|
|
592 | set it (which is usually bad as applications don't expect that). |
|
|
593 | |
314 | =item ($row, $col) = $term->selection_mark ([$row, $col]) |
594 | =item ($row, $col) = $term->selection_mark ([$row, $col]) |
315 | |
595 | |
316 | =item ($row, $col) = $term->selection_beg ([$row, $col]) |
596 | =item ($row, $col) = $term->selection_beg ([$row, $col]) |
317 | |
597 | |
318 | =item ($row, $col) = $term->selection_end ([$row, $col]) |
598 | =item ($row, $col) = $term->selection_end ([$row, $col]) |
… | |
… | |
327 | |
607 | |
328 | =item $oldtext = $term->selection ([$newtext]) |
608 | =item $oldtext = $term->selection ([$newtext]) |
329 | |
609 | |
330 | Return the current selection text and optionally replace it by C<$newtext>. |
610 | Return the current selection text and optionally replace it by C<$newtext>. |
331 | |
611 | |
332 | =item $term->scr_overlay ($x, $y, $text) |
612 | #=item $term->overlay ($x, $y, $text) |
333 | |
613 | # |
334 | Create a simple multi-line overlay box. See the next method for details. |
614 | #Create a simple multi-line overlay box. See the next method for details. |
335 | |
615 | # |
336 | =cut |
616 | #=cut |
337 | |
617 | # |
338 | sub urxvt::term::scr_overlay { |
618 | #sub urxvt::term::scr_overlay { |
339 | my ($self, $x, $y, $text) = @_; |
619 | # my ($self, $x, $y, $text) = @_; |
340 | |
620 | # |
341 | my @lines = split /\n/, $text; |
621 | # my @lines = split /\n/, $text; |
342 | |
622 | # |
343 | my $w = 0; |
623 | # my $w = 0; |
344 | for (map $self->strwidth ($_), @lines) { |
624 | # for (map $self->strwidth ($_), @lines) { |
345 | $w = $_ if $w < $_; |
625 | # $w = $_ if $w < $_; |
346 | } |
626 | # } |
347 | |
627 | # |
348 | $self->scr_overlay_new ($x, $y, $w, scalar @lines); |
628 | # $self->scr_overlay_new ($x, $y, $w, scalar @lines); |
349 | $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; |
629 | # $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; |
350 | } |
630 | #} |
351 | |
631 | |
352 | =item $term->scr_overlay_new ($x, $y, $width, $height) |
632 | =item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) |
353 | |
633 | |
354 | Create a new (empty) overlay at the given position with the given |
634 | Create a new (empty) overlay at the given position with the given |
355 | width/height. A border will be put around the box. If either C<$x> or |
635 | width/height. C<$rstyle> defines the initial rendition style |
356 | C<$y> is negative, then this is counted from the right/bottom side, |
636 | (default: C<OVERLAY_RSTYLE>). |
357 | respectively. |
|
|
358 | |
637 | |
359 | =item $term->scr_overlay_off |
638 | If C<$border> is C<2> (default), then a decorative border will be put |
|
|
639 | around the box. |
360 | |
640 | |
361 | Switch the overlay off again. |
641 | If either C<$x> or C<$y> is negative, then this is counted from the |
|
|
642 | right/bottom side, respectively. |
362 | |
643 | |
363 | =item $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE) |
644 | This method returns an urxvt::overlay object. The overlay will be visible |
|
|
645 | as long as the perl object is referenced. |
364 | |
646 | |
365 | Put a single character (specified numerically) at the given overlay |
647 | The methods currently supported on C<urxvt::overlay> objects are: |
366 | position. |
|
|
367 | |
648 | |
|
|
649 | =over 4 |
|
|
650 | |
368 | =item $term->scr_overlay_set ($x, $y, $text) |
651 | =item $overlay->set ($x, $y, $text, $rend) |
369 | |
652 | |
370 | Write a string at the given position into the overlay. |
653 | Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts |
|
|
654 | text in rxvt-unicode's special encoding and an array of rendition values |
|
|
655 | at a specific position inside the overlay. |
371 | |
656 | |
|
|
657 | =item $overlay->hide |
|
|
658 | |
|
|
659 | If visible, hide the overlay, but do not destroy it. |
|
|
660 | |
|
|
661 | =item $overlay->show |
|
|
662 | |
|
|
663 | If hidden, display the overlay again. |
|
|
664 | |
|
|
665 | =back |
|
|
666 | |
372 | =item $cellwidth = $term->strwidth $string |
667 | =item $cellwidth = $term->strwidth ($string) |
373 | |
668 | |
374 | Returns the number of screen-cells this string would need. Correctly |
669 | Returns the number of screen-cells this string would need. Correctly |
375 | accounts for wide and combining characters. |
670 | accounts for wide and combining characters. |
376 | |
671 | |
377 | =item $octets = $term->locale_encode $string |
672 | =item $octets = $term->locale_encode ($string) |
378 | |
673 | |
379 | Convert the given text string into the corresponding locale encoding. |
674 | Convert the given text string into the corresponding locale encoding. |
380 | |
675 | |
381 | =item $string = $term->locale_decode $octets |
676 | =item $string = $term->locale_decode ($octets) |
382 | |
677 | |
383 | Convert the given locale-encoded octets into a perl string. |
678 | Convert the given locale-encoded octets into a perl string. |
384 | |
679 | |
|
|
680 | =item $term->scr_add_lines ($string) |
|
|
681 | |
|
|
682 | Write the given text string to the screen, as if output by the application |
|
|
683 | running inside the terminal. It may not contain command sequences (escape |
|
|
684 | codes), but is free to use line feeds, carriage returns and tabs. The |
|
|
685 | string is a normal text string, not in locale-dependent encoding. |
|
|
686 | |
|
|
687 | Normally its not a good idea to use this function, as programs might be |
|
|
688 | confused by changes in cursor position or scrolling. Its useful inside a |
|
|
689 | C<on_add_lines> hook, though. |
|
|
690 | |
|
|
691 | =item $term->cmd_parse ($octets) |
|
|
692 | |
|
|
693 | Similar to C<scr_add_lines>, but the argument must be in the |
|
|
694 | locale-specific encoding of the terminal and can contain command sequences |
|
|
695 | (escape codes) that will be interpreted. |
|
|
696 | |
385 | =item $term->tt_write ($octets) |
697 | =item $term->tt_write ($octets) |
386 | |
698 | |
387 | Write the octets given in C<$data> to the tty (i.e. as program input). To |
699 | Write the octets given in C<$data> to the tty (i.e. as program input). To |
388 | pass characters instead of octets, you should convetr you strings first to |
700 | pass characters instead of octets, you should convert your strings first |
389 | the locale-specific encoding using C<< $term->locale_encode >>. |
701 | to the locale-specific encoding using C<< $term->locale_encode >>. |
|
|
702 | |
|
|
703 | =item $windowid = $term->parent |
|
|
704 | |
|
|
705 | Return the window id of the toplevel window. |
|
|
706 | |
|
|
707 | =item $windowid = $term->vt |
|
|
708 | |
|
|
709 | Return the window id of the terminal window. |
|
|
710 | |
|
|
711 | =item $window_width = $term->width |
|
|
712 | |
|
|
713 | =item $window_height = $term->height |
|
|
714 | |
|
|
715 | =item $font_width = $term->fwidth |
|
|
716 | |
|
|
717 | =item $font_height = $term->fheight |
|
|
718 | |
|
|
719 | =item $font_ascent = $term->fbase |
|
|
720 | |
|
|
721 | =item $terminal_rows = $term->nrow |
|
|
722 | |
|
|
723 | =item $terminal_columns = $term->ncol |
|
|
724 | |
|
|
725 | =item $has_focus = $term->focus |
|
|
726 | |
|
|
727 | =item $is_mapped = $term->mapped |
|
|
728 | |
|
|
729 | =item $max_scrollback = $term->saveLines |
|
|
730 | |
|
|
731 | =item $nrow_plus_saveLines = $term->total_rows |
|
|
732 | |
|
|
733 | =item $lines_in_scrollback = $term->nsaved |
|
|
734 | |
|
|
735 | Return various integers describing terminal characteristics. |
|
|
736 | |
|
|
737 | =item $view_start = $term->view_start ([$newvalue]) |
|
|
738 | |
|
|
739 | Returns the negative row number of the topmost line. Minimum value is |
|
|
740 | C<0>, which displays the normal terminal contents. Larger values scroll |
|
|
741 | this many lines into the scrollback buffer. |
|
|
742 | |
|
|
743 | =item $term->want_refresh |
|
|
744 | |
|
|
745 | Requests a screen refresh. At the next opportunity, rxvt-unicode will |
|
|
746 | compare the on-screen display with its stored representation. If they |
|
|
747 | differ, it redraws the differences. |
|
|
748 | |
|
|
749 | Used after changing terminal contents to display them. |
|
|
750 | |
|
|
751 | =item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) |
|
|
752 | |
|
|
753 | Returns the text of the entire row with number C<$row_number>. Row C<0> |
|
|
754 | is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost |
|
|
755 | terminal line. The scrollback buffer starts at line C<-1> and extends to |
|
|
756 | line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line |
|
|
757 | is requested. |
|
|
758 | |
|
|
759 | If C<$new_text> is specified, it will replace characters in the current |
|
|
760 | line, starting at column C<$start_col> (default C<0>), which is useful |
|
|
761 | to replace only parts of a line. The font index in the rendition will |
|
|
762 | automatically be updated. |
|
|
763 | |
|
|
764 | C<$text> is in a special encoding: tabs and wide characters that use more |
|
|
765 | than one cell when displayed are padded with urxvt::NOCHAR characters |
|
|
766 | (C<chr 65535>). Characters with combining characters and other characters |
|
|
767 | that do not fit into the normal tetx encoding will be replaced with |
|
|
768 | characters in the private use area. |
|
|
769 | |
|
|
770 | You have to obey this encoding when changing text. The advantage is |
|
|
771 | that C<substr> and similar functions work on screen cells and not on |
|
|
772 | characters. |
|
|
773 | |
|
|
774 | The methods C<< $term->special_encode >> and C<< $term->special_decode >> |
|
|
775 | can be used to convert normal strings into this encoding and vice versa. |
|
|
776 | |
|
|
777 | =item $rend = $term->ROW_r ($row_number[, $new_rend[, $start_col]]) |
|
|
778 | |
|
|
779 | Like C<< $term->ROW_t >>, but returns an arrayref with rendition |
|
|
780 | bitsets. Rendition bitsets contain information about colour, font, font |
|
|
781 | styles and similar information. See also C<< $term->ROW_t >>. |
|
|
782 | |
|
|
783 | When setting rendition, the font mask will be ignored. |
|
|
784 | |
|
|
785 | See the section on RENDITION, above. |
|
|
786 | |
|
|
787 | =item $length = $term->ROW_l ($row_number[, $new_length]) |
|
|
788 | |
|
|
789 | Returns the number of screen cells that are in use ("the line |
|
|
790 | length"). Unlike the urxvt core, this returns C<< $term->ncol >> if the |
|
|
791 | line is joined with the following one. |
|
|
792 | |
|
|
793 | =item $bool = $term->is_longer ($row_number) |
|
|
794 | |
|
|
795 | Returns true if the row is part of a multiple-row logical "line" (i.e. |
|
|
796 | joined with the following row), which means all characters are in use |
|
|
797 | and it is continued on the next row (and possibly a continuation of the |
|
|
798 | previous row(s)). |
|
|
799 | |
|
|
800 | =item $line = $term->line ($row_number) |
|
|
801 | |
|
|
802 | Create and return a new C<urxvt::line> object that stores information |
|
|
803 | about the logical line that row C<$row_number> is part of. It supports the |
|
|
804 | following methods: |
|
|
805 | |
|
|
806 | =over 4 |
|
|
807 | |
|
|
808 | =item $text = $line->t ([$new_text]) |
|
|
809 | |
|
|
810 | Returns or replaces the full text of the line, similar to C<ROW_t> |
|
|
811 | |
|
|
812 | =item $rend = $line->r ([$new_rend]) |
|
|
813 | |
|
|
814 | Returns or replaces the full rendition array of the line, similar to C<ROW_r> |
|
|
815 | |
|
|
816 | =item $length = $line->l |
|
|
817 | |
|
|
818 | Returns the length of the line in cells, similar to C<ROW_l>. |
|
|
819 | |
|
|
820 | =item $rownum = $line->beg |
|
|
821 | |
|
|
822 | =item $rownum = $line->end |
|
|
823 | |
|
|
824 | Return the row number of the first/last row of the line, respectively. |
|
|
825 | |
|
|
826 | =item $offset = $line->offset_of ($row, $col) |
|
|
827 | |
|
|
828 | Returns the character offset of the given row|col pair within the logical |
|
|
829 | line. |
|
|
830 | |
|
|
831 | =item ($row, $col) = $line->coord_of ($offset) |
|
|
832 | |
|
|
833 | Translates a string offset into terminal coordinates again. |
|
|
834 | |
|
|
835 | =back |
|
|
836 | |
|
|
837 | =cut |
|
|
838 | |
|
|
839 | sub urxvt::term::line { |
|
|
840 | my ($self, $row) = @_; |
|
|
841 | |
|
|
842 | my $maxrow = $self->nrow - 1; |
|
|
843 | |
|
|
844 | my ($beg, $end) = ($row, $row); |
|
|
845 | |
|
|
846 | --$beg while $self->ROW_is_longer ($beg - 1); |
|
|
847 | ++$end while $self->ROW_is_longer ($end) && $end < $maxrow; |
|
|
848 | |
|
|
849 | bless { |
|
|
850 | term => $self, |
|
|
851 | beg => $beg, |
|
|
852 | end => $end, |
|
|
853 | ncol => $self->ncol, |
|
|
854 | len => ($end - $beg) * $self->ncol + $self->ROW_l ($end), |
|
|
855 | }, urxvt::line:: |
|
|
856 | } |
|
|
857 | |
|
|
858 | sub urxvt::line::t { |
|
|
859 | my ($self) = @_; |
|
|
860 | |
|
|
861 | if (@_ > 1) |
|
|
862 | { |
|
|
863 | $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) |
|
|
864 | for $self->{beg} .. $self->{end}; |
|
|
865 | } |
|
|
866 | |
|
|
867 | defined wantarray && |
|
|
868 | substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), |
|
|
869 | 0, $self->{len} |
|
|
870 | } |
|
|
871 | |
|
|
872 | sub urxvt::line::r { |
|
|
873 | my ($self) = @_; |
|
|
874 | |
|
|
875 | if (@_ > 1) |
|
|
876 | { |
|
|
877 | $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) |
|
|
878 | for $self->{beg} .. $self->{end}; |
|
|
879 | } |
|
|
880 | |
|
|
881 | if (defined wantarray) { |
|
|
882 | my $rend = [ |
|
|
883 | map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} |
|
|
884 | ]; |
|
|
885 | $#$rend = $self->{len} - 1; |
|
|
886 | return $rend; |
|
|
887 | } |
|
|
888 | |
|
|
889 | () |
|
|
890 | } |
|
|
891 | |
|
|
892 | sub urxvt::line::beg { $_[0]{beg} } |
|
|
893 | sub urxvt::line::end { $_[0]{end} } |
|
|
894 | sub urxvt::line::l { $_[0]{len} } |
|
|
895 | |
|
|
896 | sub urxvt::line::offset_of { |
|
|
897 | my ($self, $row, $col) = @_; |
|
|
898 | |
|
|
899 | ($row - $self->{beg}) * $self->{ncol} + $col |
|
|
900 | } |
|
|
901 | |
|
|
902 | sub urxvt::line::coord_of { |
|
|
903 | my ($self, $offset) = @_; |
|
|
904 | |
|
|
905 | use integer; |
|
|
906 | |
|
|
907 | ( |
|
|
908 | $offset / $self->{ncol} + $self->{beg}, |
|
|
909 | $offset % $self->{ncol} |
|
|
910 | ) |
|
|
911 | } |
|
|
912 | |
|
|
913 | =item ($row, $col) = $line->coord_of ($offset) |
|
|
914 | =item $text = $term->special_encode $string |
|
|
915 | |
|
|
916 | Converts a perl string into the special encoding used by rxvt-unicode, |
|
|
917 | where one character corresponds to one screen cell. See |
|
|
918 | C<< $term->ROW_t >> for details. |
|
|
919 | |
|
|
920 | =item $string = $term->special_decode $text |
|
|
921 | |
|
|
922 | Converts rxvt-unicodes text reprsentation into a perl string. See |
|
|
923 | C<< $term->ROW_t >> for details. |
390 | |
924 | |
391 | =back |
925 | =back |
392 | |
926 | |
393 | =head2 The C<urxvt::timer> Class |
927 | =head2 The C<urxvt::timer> Class |
394 | |
928 | |
395 | This class implements timer watchers/events. Time is represented as a |
929 | This class implements timer watchers/events. Time is represented as a |
396 | fractional number of seconds since the epoch. Example: |
930 | fractional number of seconds since the epoch. Example: |
397 | |
931 | |
398 | # create a digital clock display in upper right corner |
932 | $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0); |
399 | $term->{timer} = urxvt::timer |
933 | $term->{timer} = urxvt::timer |
400 | ->new |
934 | ->new |
401 | ->start (urxvt::NOW) |
935 | ->interval (1) |
402 | ->cb (sub { |
936 | ->cb (sub { |
403 | my ($timer) = @_; |
|
|
404 | my $time = $timer->at; |
|
|
405 | $timer->start ($time + 1); |
|
|
406 | $self->scr_overlay (-1, 0, |
937 | $term->{overlay}->set (0, 0, |
407 | POSIX::strftime "%H:%M:%S", localtime $time); |
938 | sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]); |
408 | }); |
939 | }); |
409 | |
940 | |
410 | =over 4 |
941 | =over 4 |
411 | |
942 | |
412 | =item $timer = new urxvt::timer |
943 | =item $timer = new urxvt::timer |
413 | |
944 | |
414 | Create a new timer object in stopped state. |
945 | Create a new timer object in started state. It is scheduled to fire |
|
|
946 | immediately. |
415 | |
947 | |
416 | =item $timer = $timer->cb (sub { my ($timer) = @_; ... }) |
948 | =item $timer = $timer->cb (sub { my ($timer) = @_; ... }) |
417 | |
949 | |
418 | Set the callback to be called when the timer triggers. |
950 | Set the callback to be called when the timer triggers. |
419 | |
951 | |
… | |
… | |
422 | Return the time this watcher will fire next. |
954 | Return the time this watcher will fire next. |
423 | |
955 | |
424 | =item $timer = $timer->set ($tstamp) |
956 | =item $timer = $timer->set ($tstamp) |
425 | |
957 | |
426 | Set the time the event is generated to $tstamp. |
958 | Set the time the event is generated to $tstamp. |
|
|
959 | |
|
|
960 | =item $timer = $timer->interval ($interval) |
|
|
961 | |
|
|
962 | Normally (and when C<$interval> is C<0>), the timer will automatically |
|
|
963 | stop after it has fired once. If C<$interval> is non-zero, then the timer |
|
|
964 | is automatically rescheduled at the given intervals. |
427 | |
965 | |
428 | =item $timer = $timer->start |
966 | =item $timer = $timer->start |
429 | |
967 | |
430 | Start the timer. |
968 | Start the timer. |
431 | |
969 | |
… | |
… | |
494 | This variable controls the verbosity level of the perl extension. Higher |
1032 | This variable controls the verbosity level of the perl extension. Higher |
495 | numbers indicate more verbose output. |
1033 | numbers indicate more verbose output. |
496 | |
1034 | |
497 | =over 4 |
1035 | =over 4 |
498 | |
1036 | |
499 | =item 0 - only fatal messages |
1037 | =item =0 - only fatal messages |
500 | |
1038 | |
501 | =item 3 - script loading and management |
1039 | =item =3 - script loading and management |
502 | |
1040 | |
503 | =item 10 - all events received |
1041 | =item =10 - all events received |
504 | |
1042 | |
505 | =back |
1043 | =back |
506 | |
1044 | |
507 | =head1 AUTHOR |
1045 | =head1 AUTHOR |
508 | |
1046 | |