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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 | * Each script will only be loaded once, even in urxvtd, and will be valid |
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10 | globally. |
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11 | |
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12 | * Scripts are evaluated in a 'use strict' and 'use utf8' environment, and |
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13 | thus must be encoded as UTF-8. |
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14 | |
10 | |
15 | sub on_sel_grab { |
11 | sub on_sel_grab { |
16 | warn "you selected ", $_[0]->selection; |
12 | warn "you selected ", $_[0]->selection; |
17 | () |
13 | () |
18 | } |
14 | } |
19 | |
15 | |
20 | 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 |
21 | |
19 | |
22 | =head1 DESCRIPTION |
20 | =head1 DESCRIPTION |
23 | |
21 | |
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22 | Everytime a terminal object gets created, scripts specified via the |
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23 | C<perl> resource are loaded and associated with it. |
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24 | |
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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. |
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27 | |
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28 | Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where |
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29 | scripts will be shared (but not enabled) for all terminals. |
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30 | |
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31 | =head2 Prepackaged Extensions |
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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 filtering (C<on_line_update>) to underline urls. |
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68 | |
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69 | =item example-refresh-hooks |
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70 | |
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71 | Displays a very simple digital clock in the upper right corner of the |
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72 | window. Illustrates overwriting the refresh callbacks to create your own |
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73 | overlays or changes. |
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74 | |
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75 | =item example-filter-input |
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76 | |
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77 | A not very useful example of filtering all text output to the terminal, by |
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78 | underlining all urls that matches a certain regex (i.e. some urls :). It |
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79 | is not very useful because urls that are output in multiple steps (e.g. |
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80 | when typing them) do not get marked. |
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81 | |
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82 | =back |
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83 | |
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84 | =head2 General API Considerations |
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85 | |
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86 | All objects (such as terminals, time watchers etc.) are typical |
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87 | reference-to-hash objects. The hash can be used to store anything you |
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88 | like. All members starting with an underscore (such as C<_ptr> or |
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89 | C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or |
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90 | modified). |
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91 | |
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92 | When objects are destroyed on the C++ side, the perl object hashes are |
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93 | emptied, so its best to store related objects such as time watchers and |
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94 | the like inside the terminal object so they get destroyed as soon as the |
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95 | terminal is destroyed. |
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96 | |
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97 | Argument names also often indicate the type of a parameter. Here are some |
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98 | hints on what they mean: |
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99 | |
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100 | =over 4 |
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101 | |
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102 | =item $text |
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103 | |
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104 | Rxvt-unicodes special way of encoding text, where one "unicode" character |
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105 | always represents one screen cell. See L<row_t> for a discussion of this format. |
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106 | |
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107 | =item $string |
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108 | |
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109 | A perl text string, with an emphasis on I<text>. It can store all unicode |
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110 | characters and is to be distinguished with text encoded in a specific |
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111 | encoding (often locale-specific) and binary data. |
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112 | |
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113 | =item $octets |
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114 | |
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115 | Either binary data or - more common - a text string encoded in a |
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116 | locale-specific way. |
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117 | |
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118 | =back |
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119 | |
24 | =head2 Hooks |
120 | =head2 Hooks |
25 | |
121 | |
26 | The following subroutines can be declared in loaded scripts, and will be called |
122 | The following subroutines can be declared in loaded scripts, and will be |
27 | whenever the relevant event happens. |
123 | called whenever the relevant event happens. |
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124 | |
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125 | The first argument passed to them is an object private to each terminal |
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126 | and extension package. You can call all C<urxvt::term> methods on it, but |
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127 | its not a real C<urxvt::term> object. Instead, the real C<urxvt::term> |
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128 | object that is shared between all packages is stored in the C<term> |
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129 | member. |
28 | |
130 | |
29 | All of them must return a boolean value. If it is true, then the event |
131 | All of them must return a boolean value. If it is true, then the event |
30 | counts as being I<consumed>, and the invocation of other hooks is skipped, |
132 | counts as being I<consumed>, and the invocation of other hooks is skipped, |
31 | and the relevant action might not be carried out by the C++ code. |
133 | and the relevant action might not be carried out by the C++ code. |
32 | |
134 | |
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35 | =over 4 |
137 | =over 4 |
36 | |
138 | |
37 | =item on_init $term |
139 | =item on_init $term |
38 | |
140 | |
39 | Called after a new terminal object has been initialized, but before |
141 | Called after a new terminal object has been initialized, but before |
40 | windows are created or the command gets run. |
142 | windows are created or the command gets run. Most methods are unsafe to |
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143 | call or deliver senseless data, as terminal size and other characteristics |
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144 | have not yet been determined. You can safely query and change resources, |
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145 | though. |
41 | |
146 | |
42 | =item on_reset $term |
147 | =item on_reset $term |
43 | |
148 | |
44 | Called after the screen is "reset" for any reason, such as resizing or |
149 | Called after the screen is "reset" for any reason, such as resizing or |
45 | control sequences. Here is where you can react on changes to size-related |
150 | control sequences. Here is where you can react on changes to size-related |
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65 | requested from the server. The selection text can be queried and changed |
170 | requested from the server. The selection text can be queried and changed |
66 | by calling C<< $term->selection >>. |
171 | by calling C<< $term->selection >>. |
67 | |
172 | |
68 | Returning a true value aborts selection grabbing. It will still be hilighted. |
173 | Returning a true value aborts selection grabbing. It will still be hilighted. |
69 | |
174 | |
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175 | =item on_sel_extend $term |
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176 | |
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177 | Called whenever the user tries to extend the selection (e.g. with a double |
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178 | click) and is either supposed to return false (normal operation), or |
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179 | should extend the selection itelf and return true to suppress the built-in |
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180 | processing. |
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181 | |
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182 | See the F<selection> example extension. |
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183 | |
70 | =item on_focus_in $term |
184 | =item on_focus_in $term |
71 | |
185 | |
72 | Called whenever the window gets the keyboard focus, before urxvt does |
186 | Called whenever the window gets the keyboard focus, before urxvt does |
73 | focus in processing. |
187 | focus in processing. |
74 | |
188 | |
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94 | number of lines that will be in the scrollback buffer. |
208 | number of lines that will be in the scrollback buffer. |
95 | |
209 | |
96 | =item on_tty_activity $term *NYI* |
210 | =item on_tty_activity $term *NYI* |
97 | |
211 | |
98 | Called whenever the program(s) running in the urxvt window send output. |
212 | Called whenever the program(s) running in the urxvt window send output. |
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213 | |
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214 | =item on_osc_seq $term, $string |
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215 | |
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216 | Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = |
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217 | operating system command) is processed. Cursor position and other state |
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218 | information is up-to-date when this happens. For interoperability, the |
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219 | string should start with the extension name and a colon, to distinguish |
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220 | it from commands for other extensions, and this might be enforced in the |
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221 | future. |
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222 | |
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223 | Be careful not ever to trust (in a security sense) the data you receive, |
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224 | as its source can not easily be controleld (e-mail content, messages from |
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225 | other users on the same system etc.). |
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226 | |
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227 | =item on_add_lines $term, $string |
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228 | |
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229 | Called whenever text is about to be output, with the text as argument. You |
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230 | can filter/change and output the text yourself by returning a true value |
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231 | and calling C<< $term->scr_add_lines >> yourself. Please note that this |
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232 | might be very slow, however, as your hook is called for B<all> text being |
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233 | output. |
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234 | |
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235 | =item on_line_update $term, $row |
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236 | |
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237 | Called whenever a line was updated or changed. Can be used to filter |
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238 | screen output (e.g. underline urls or other useless stuff). Only lines |
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239 | that are being shown will be filtered, and, due to performance reasons, |
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240 | not always immediately. |
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241 | |
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242 | The row number is always the topmost row of the line if the line spans |
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243 | multiple rows. |
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244 | |
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245 | Please note that, if you change the line, then the hook might get called |
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246 | later with the already-modified line (e.g. if unrelated parts change), so |
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247 | you cannot just toggle rendition bits, but only set them. |
99 | |
248 | |
100 | =item on_refresh_begin $term |
249 | =item on_refresh_begin $term |
101 | |
250 | |
102 | Called just before the screen gets redrawn. Can be used for overlay |
251 | Called just before the screen gets redrawn. Can be used for overlay |
103 | or similar effects by modify terminal contents in refresh_begin, and |
252 | or similar effects by modify terminal contents in refresh_begin, and |
… | |
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106 | |
255 | |
107 | =item on_refresh_end $term |
256 | =item on_refresh_end $term |
108 | |
257 | |
109 | Called just after the screen gets redrawn. See C<on_refresh_begin>. |
258 | Called just after the screen gets redrawn. See C<on_refresh_begin>. |
110 | |
259 | |
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260 | =item on_keyboard_command $term, $string |
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261 | |
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262 | Called whenever the user presses a key combination that has a |
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263 | C<perl:string> action bound to it (see description of the B<keysym> |
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264 | resource in the @@RXVT_NAME@@(1) manpage). |
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265 | |
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266 | =item on_key_press $term, $event |
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267 | |
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268 | =item on_key_release $term, $event |
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269 | |
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270 | =item on_button_press $term, $event |
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271 | |
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272 | =item on_button_release $term, $event |
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273 | |
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274 | =item on_motion_notify $term, $event |
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275 | |
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276 | Called whenever the corresponding X event is received for the terminal. If |
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277 | the hook returns true, then the even will be ignored by rxvt-unicode. |
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278 | |
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279 | subwindow. |
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280 | |
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281 | =back |
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282 | |
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283 | =head2 Variables in the C<urxvt> Package |
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284 | |
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285 | =over 4 |
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286 | |
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287 | =item $urxvt::TERM |
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288 | |
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289 | The current terminal. Whenever a callback/Hook is bein executed, this |
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290 | variable stores the current C<urxvt::term> object. |
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291 | |
111 | =back |
292 | =back |
112 | |
293 | |
113 | =head2 Functions in the C<urxvt> Package |
294 | =head2 Functions in the C<urxvt> Package |
114 | |
295 | |
115 | =over 4 |
296 | =over 4 |
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297 | |
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298 | =item $term = new urxvt [arg...] |
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299 | |
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300 | Creates a new terminal, very similar as if you had started it with |
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301 | C<system $binfile, arg...>. Croaks (and probably outputs an error message) |
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302 | if the new instance couldn't be created. Returns C<undef> if the new |
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303 | instance didn't initialise perl, and the terminal object otherwise. The |
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304 | C<init> and C<start> hooks will be called during the call. |
116 | |
305 | |
117 | =item urxvt::fatal $errormessage |
306 | =item urxvt::fatal $errormessage |
118 | |
307 | |
119 | Fatally aborts execution with the given error message. Avoid at all |
308 | Fatally aborts execution with the given error message. Avoid at all |
120 | costs! The only time this is acceptable is when the terminal process |
309 | costs! The only time this is acceptable is when the terminal process |
121 | starts up. |
310 | starts up. |
122 | |
311 | |
123 | =item urxvt::warn $string |
312 | =item urxvt::warn $string |
124 | |
313 | |
125 | Calls C<rxvt_warn> witht eh given string which should not include a |
314 | Calls C<rxvt_warn> with the given string which should not include a |
126 | newline. The module also overwrites the C<warn> builtin with a function |
315 | newline. The module also overwrites the C<warn> builtin with a function |
127 | that calls this function. |
316 | that calls this function. |
128 | |
317 | |
129 | Using this function has the advantage that its output ends up in the |
318 | Using this function has the advantage that its output ends up in the |
130 | correct place, e.g. on stderr of the connecting urxvtc client. |
319 | correct place, e.g. on stderr of the connecting urxvtc client. |
131 | |
320 | |
132 | =item $cellwidth = urxvt::wcswidth $string |
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133 | |
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134 | Returns the number of screen-cells this string would need. Correctly |
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135 | accounts for wide and combining characters. |
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136 | |
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137 | =item $time = urxvt::NOW |
321 | =item $time = urxvt::NOW |
138 | |
322 | |
139 | Returns the "current time" (as per the event loop). |
323 | Returns the "current time" (as per the event loop). |
140 | |
324 | |
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325 | =back |
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326 | |
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327 | =head2 RENDITION |
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328 | |
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329 | Rendition bitsets contain information about colour, font, font styles and |
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330 | similar information for each screen cell. |
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331 | |
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332 | The following "macros" deal with changes in rendition sets. You should |
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333 | never just create a bitset, you should always modify an existing one, |
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334 | as they contain important information required for correct operation of |
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335 | rxvt-unicode. |
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336 | |
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337 | =over 4 |
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338 | |
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339 | =item $rend = urxvt::DEFAULT_RSTYLE |
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340 | |
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341 | Returns the default rendition, as used when the terminal is starting up or |
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342 | being reset. Useful as a base to start when creating renditions. |
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343 | |
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344 | =item $rend = urxvt::OVERLAY_RSTYLE |
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345 | |
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346 | Return the rendition mask used for overlays by default. |
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347 | |
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348 | =item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline |
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349 | |
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350 | Return the bit that enabled bold, italic, blink, reverse-video and |
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351 | underline, respectively. To enable such a style, just logically OR it into |
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352 | the bitset. |
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353 | |
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354 | =item $foreground = urxvt::GET_BASEFG $rend |
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355 | |
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356 | =item $background = urxvt::GET_BASEBG $rend |
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357 | |
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358 | Return the foreground/background colour index, respectively. |
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359 | |
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360 | =item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) |
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361 | |
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362 | =item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) |
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363 | |
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364 | Replace the foreground/background colour in the rendition mask with the |
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365 | specified one. |
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366 | |
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367 | =item $value = urxvt::GET_CUSTOM ($rend) |
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368 | |
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369 | Return the "custom" value: Every rendition has 5 bits for use by |
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370 | extensions. They can be set and changed as you like and are initially |
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371 | zero. |
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372 | |
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373 | =item $rend = urxvt::SET_CUSTOM ($rend, $new_value) |
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374 | |
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375 | Change the custom value. |
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376 | |
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377 | =back |
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378 | |
141 | =cut |
379 | =cut |
142 | |
380 | |
143 | package urxvt; |
381 | package urxvt; |
144 | |
382 | |
145 | use strict; |
383 | use strict; |
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384 | use Scalar::Util (); |
146 | |
385 | |
147 | our $term; |
386 | our $TERM; |
148 | our @HOOKNAME; |
387 | our @HOOKNAME; |
149 | our $LIBDIR; |
388 | our $LIBDIR; |
150 | |
389 | |
151 | BEGIN { |
390 | BEGIN { |
152 | urxvt->bootstrap; |
391 | urxvt->bootstrap; |
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158 | unless $msg =~ /\n$/; |
397 | unless $msg =~ /\n$/; |
159 | urxvt::warn ($msg); |
398 | urxvt::warn ($msg); |
160 | }; |
399 | }; |
161 | } |
400 | } |
162 | |
401 | |
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402 | my @hook_count; |
163 | my $verbosity = $ENV{URXVT_PERL_VERBOSITY} || 10; |
403 | my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; |
164 | |
404 | |
165 | sub verbose { |
405 | sub verbose { |
166 | my ($level, $msg) = @_; |
406 | my ($level, $msg) = @_; |
167 | warn "$msg\n"; #d# |
407 | warn "$msg\n" if $level <= $verbosity; |
168 | } |
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169 | |
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170 | my @invoke_cb; |
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171 | |
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172 | # called by the rxvt core |
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173 | sub invoke { |
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174 | local $term = shift; |
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175 | my $htype = shift; |
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176 | |
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177 | my $cb = $invoke_cb[$htype]; |
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178 | |
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179 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" |
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180 | if $verbosity >= 10; |
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181 | |
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182 | while (my ($k, $v) = each %$cb) { |
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183 | return 1 if $v->($term, @_); |
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184 | } |
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185 | |
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186 | 0 |
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187 | } |
408 | } |
188 | |
409 | |
189 | # find on_xxx subs in the package and register them |
410 | # find on_xxx subs in the package and register them |
190 | # as hooks |
411 | # as hooks |
191 | sub register_package($) { |
412 | sub register_package($) { |
192 | my ($pkg) = @_; |
413 | my ($pkg) = @_; |
193 | |
414 | |
194 | for my $hook (0.. $#HOOKNAME) { |
415 | for my $htype (0.. $#HOOKNAME) { |
195 | my $name = $HOOKNAME[$hook]; |
416 | my $name = $HOOKNAME[$htype]; |
196 | |
417 | |
197 | my $ref = $pkg->can ("on_" . lc $name) |
418 | my $ref = $pkg->can ("on_" . lc $name) |
198 | or next; |
419 | or next; |
199 | |
420 | |
200 | $invoke_cb[$hook]{$ref*1} = $ref; |
421 | $TERM->{_hook}[$htype]{$pkg} = $ref; |
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422 | $hook_count[$htype]++ |
201 | set_should_invoke $hook, 1; |
423 | or set_should_invoke $htype, 1; |
202 | } |
424 | } |
203 | } |
425 | } |
204 | |
426 | |
205 | my $script_pkg = "script0000"; |
427 | my $script_pkg = "script0000"; |
206 | my %script_pkg; |
428 | my %script_pkg; |
207 | |
429 | |
208 | # load a single script into its own package, once only |
430 | # load a single script into its own package, once only |
209 | sub load_script($) { |
431 | sub script_package($) { |
210 | my ($path) = @_; |
432 | my ($path) = @_; |
211 | |
433 | |
212 | $script_pkg{$path} ||= do { |
434 | $script_pkg{$path} ||= do { |
213 | my $pkg = $script_pkg++; |
435 | my $pkg = "urxvt::" . ($script_pkg++); |
|
|
436 | |
214 | verbose 3, "loading script '$path' into package '$pkg'"; |
437 | verbose 3, "loading script '$path' into package '$pkg'"; |
215 | |
438 | |
216 | open my $fh, "<:raw", $path |
439 | open my $fh, "<:raw", $path |
217 | or die "$path: $!"; |
440 | or die "$path: $!"; |
218 | |
441 | |
219 | eval "package $pkg; use strict; use utf8;\n" |
442 | my $source = "package $pkg; use strict; use utf8;\n" |
220 | . "#line 1 \"$path\"\n" |
443 | . "#line 1 \"$path\"\n{\n" |
221 | . do { local $/; <$fh> } |
444 | . (do { local $/; <$fh> }) |
|
|
445 | . "\n};\n1"; |
|
|
446 | |
222 | or die "$path: $@"; |
447 | eval $source or die "$path: $@"; |
223 | |
|
|
224 | register_package $pkg; |
|
|
225 | |
448 | |
226 | $pkg |
449 | $pkg |
227 | }; |
450 | } |
228 | } |
451 | } |
229 | |
452 | |
230 | load_script $_ for grep -f $_, <$LIBDIR/perl-ext/*>; |
453 | our $retval; # return value for urxvt |
231 | |
454 | |
232 | =back |
455 | # called by the rxvt core |
|
|
456 | sub invoke { |
|
|
457 | local $TERM = shift; |
|
|
458 | my $htype = shift; |
|
|
459 | |
|
|
460 | if ($htype == 0) { # INIT |
|
|
461 | my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); |
|
|
462 | |
|
|
463 | for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { |
|
|
464 | my @files = grep -f $_, map "$_/$ext", @dirs; |
|
|
465 | |
|
|
466 | if (@files) { |
|
|
467 | register_package script_package $files[0]; |
|
|
468 | } else { |
|
|
469 | warn "perl extension '$ext' not found in perl library search path\n"; |
|
|
470 | } |
|
|
471 | } |
|
|
472 | } |
|
|
473 | |
|
|
474 | $retval = undef; |
|
|
475 | |
|
|
476 | if (my $cb = $TERM->{_hook}[$htype]) { |
|
|
477 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" |
|
|
478 | if $verbosity >= 10; |
|
|
479 | |
|
|
480 | keys %$cb; |
|
|
481 | |
|
|
482 | while (my ($pkg, $cb) = each %$cb) { |
|
|
483 | $retval = $cb->( |
|
|
484 | $TERM->{_pkg}{$pkg} ||= do { |
|
|
485 | my $proxy = bless { }, urxvt::term::proxy::; |
|
|
486 | Scalar::Util::weaken ($proxy->{term} = $TERM); |
|
|
487 | $proxy |
|
|
488 | }, |
|
|
489 | @_, |
|
|
490 | ) and last; |
|
|
491 | } |
|
|
492 | } |
|
|
493 | |
|
|
494 | if ($htype == 1) { # DESTROY |
|
|
495 | # remove hooks if unused |
|
|
496 | if (my $hook = $TERM->{_hook}) { |
|
|
497 | for my $htype (0..$#$hook) { |
|
|
498 | $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } |
|
|
499 | or set_should_invoke $htype, 0; |
|
|
500 | } |
|
|
501 | } |
|
|
502 | |
|
|
503 | # clear package objects |
|
|
504 | %$_ = () for values %{ $TERM->{_pkg} }; |
|
|
505 | |
|
|
506 | # clear package |
|
|
507 | %$TERM = (); |
|
|
508 | } |
|
|
509 | |
|
|
510 | $retval |
|
|
511 | } |
|
|
512 | |
|
|
513 | sub urxvt::term::proxy::AUTOLOAD { |
|
|
514 | $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ |
|
|
515 | or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; |
|
|
516 | |
|
|
517 | eval qq{ |
|
|
518 | sub $urxvt::term::proxy::AUTOLOAD { |
|
|
519 | my \$proxy = shift; |
|
|
520 | \$proxy->{term}->$1 (\@_) |
|
|
521 | } |
|
|
522 | 1 |
|
|
523 | } or die "FATAL: unable to compile method forwarder: $@"; |
|
|
524 | |
|
|
525 | goto &$urxvt::term::proxy::AUTOLOAD; |
|
|
526 | } |
233 | |
527 | |
234 | =head2 The C<urxvt::term> Class |
528 | =head2 The C<urxvt::term> Class |
235 | |
529 | |
236 | =over 4 |
530 | =over 4 |
|
|
531 | |
|
|
532 | =item $term->destroy |
|
|
533 | |
|
|
534 | Destroy the terminal object (close the window, free resources etc.). |
237 | |
535 | |
238 | =item $value = $term->resource ($name[, $newval]) |
536 | =item $value = $term->resource ($name[, $newval]) |
239 | |
537 | |
240 | Returns the current resource value associated with a given name and |
538 | Returns the current resource value associated with a given name and |
241 | optionally sets a new value. Setting values is most useful in the C<init> |
539 | optionally sets a new value. Setting values is most useful in the C<init> |
… | |
… | |
249 | as resource names of the form C<< color+<index> >>, e.g. C<color+5>. (will |
547 | as resource names of the form C<< color+<index> >>, e.g. C<color+5>. (will |
250 | likely change). |
548 | likely change). |
251 | |
549 | |
252 | Please note that resource strings will currently only be freed when the |
550 | Please note that resource strings will currently only be freed when the |
253 | terminal is destroyed, so changing options frequently will eat memory. |
551 | terminal is destroyed, so changing options frequently will eat memory. |
|
|
552 | |
|
|
553 | Here is a a likely non-exhaustive list of resource names, not all of which |
|
|
554 | are supported in every build, please see the source to see the actual |
|
|
555 | list: |
|
|
556 | |
|
|
557 | answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont |
|
|
558 | borderLess color cursorBlink cursorUnderline cutchars delete_key |
|
|
559 | display_name embed ext_bwidth fade font geometry hold iconName |
|
|
560 | imFont imLocale inputMethod insecure int_bwidth intensityStyles |
|
|
561 | italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier |
|
|
562 | mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 |
|
|
563 | perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd |
|
|
564 | reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating |
|
|
565 | scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput |
|
|
566 | scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle |
|
|
567 | shade term_name title transparent transparent_all tripleclickwords |
|
|
568 | utmpInhibit visualBell |
254 | |
569 | |
255 | =cut |
570 | =cut |
256 | |
571 | |
257 | sub urxvt::term::resource($$;$) { |
572 | sub urxvt::term::resource($$;$) { |
258 | my ($self, $name) = (shift, shift); |
573 | my ($self, $name) = (shift, shift); |
259 | unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); |
574 | unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); |
260 | goto &urxvt::term::_resource; |
575 | goto &urxvt::term::_resource; |
261 | } |
576 | } |
262 | |
577 | |
|
|
578 | =item $rend = $term->rstyle ([$new_rstyle]) |
|
|
579 | |
|
|
580 | Return and optionally change the current rendition. Text that is output by |
|
|
581 | the terminal application will use this style. |
|
|
582 | |
|
|
583 | =item ($row, $col) = $term->screen_cur ([$row, $col]) |
|
|
584 | |
|
|
585 | Return the current coordinates of the text cursor position and optionally |
|
|
586 | set it (which is usually bad as applications don't expect that). |
|
|
587 | |
263 | =item ($row, $col) = $term->selection_mark ([$row, $col]) |
588 | =item ($row, $col) = $term->selection_mark ([$row, $col]) |
264 | |
589 | |
265 | =item ($row, $col) = $term->selection_beg ([$row, $col]) |
590 | =item ($row, $col) = $term->selection_beg ([$row, $col]) |
266 | |
591 | |
267 | =item ($row, $col) = $term->selection_end ([$row, $col]) |
592 | =item ($row, $col) = $term->selection_end ([$row, $col]) |
… | |
… | |
276 | |
601 | |
277 | =item $oldtext = $term->selection ([$newtext]) |
602 | =item $oldtext = $term->selection ([$newtext]) |
278 | |
603 | |
279 | Return the current selection text and optionally replace it by C<$newtext>. |
604 | Return the current selection text and optionally replace it by C<$newtext>. |
280 | |
605 | |
281 | =item $term->scr_overlay ($x, $y, $text) |
606 | #=item $term->overlay ($x, $y, $text) |
282 | |
607 | # |
283 | Create a simple multi-line overlay box. See the next method for details. |
608 | #Create a simple multi-line overlay box. See the next method for details. |
|
|
609 | # |
|
|
610 | #=cut |
|
|
611 | # |
|
|
612 | #sub urxvt::term::scr_overlay { |
|
|
613 | # my ($self, $x, $y, $text) = @_; |
|
|
614 | # |
|
|
615 | # my @lines = split /\n/, $text; |
|
|
616 | # |
|
|
617 | # my $w = 0; |
|
|
618 | # for (map $self->strwidth ($_), @lines) { |
|
|
619 | # $w = $_ if $w < $_; |
|
|
620 | # } |
|
|
621 | # |
|
|
622 | # $self->scr_overlay_new ($x, $y, $w, scalar @lines); |
|
|
623 | # $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; |
|
|
624 | #} |
|
|
625 | |
|
|
626 | =item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) |
|
|
627 | |
|
|
628 | Create a new (empty) overlay at the given position with the given |
|
|
629 | width/height. C<$rstyle> defines the initial rendition style |
|
|
630 | (default: C<OVERLAY_RSTYLE>). |
|
|
631 | |
|
|
632 | If C<$border> is C<2> (default), then a decorative border will be put |
|
|
633 | around the box. |
|
|
634 | |
|
|
635 | If either C<$x> or C<$y> is negative, then this is counted from the |
|
|
636 | right/bottom side, respectively. |
|
|
637 | |
|
|
638 | This method returns an urxvt::overlay object. The overlay will be visible |
|
|
639 | as long as the perl object is referenced. |
|
|
640 | |
|
|
641 | The methods currently supported on C<urxvt::overlay> objects are: |
|
|
642 | |
|
|
643 | =over 4 |
|
|
644 | |
|
|
645 | =item $overlay->set ($x, $y, $text, $rend) |
|
|
646 | |
|
|
647 | Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts |
|
|
648 | text in rxvt-unicode's special encoding and an array of rendition values |
|
|
649 | at a specific position inside the overlay. |
|
|
650 | |
|
|
651 | =item $overlay->hide |
|
|
652 | |
|
|
653 | If visible, hide the overlay, but do not destroy it. |
|
|
654 | |
|
|
655 | =item $overlay->show |
|
|
656 | |
|
|
657 | If hidden, display the overlay again. |
|
|
658 | |
|
|
659 | =back |
|
|
660 | |
|
|
661 | =item $cellwidth = $term->strwidth $string |
|
|
662 | |
|
|
663 | Returns the number of screen-cells this string would need. Correctly |
|
|
664 | accounts for wide and combining characters. |
|
|
665 | |
|
|
666 | =item $octets = $term->locale_encode $string |
|
|
667 | |
|
|
668 | Convert the given text string into the corresponding locale encoding. |
|
|
669 | |
|
|
670 | =item $string = $term->locale_decode $octets |
|
|
671 | |
|
|
672 | Convert the given locale-encoded octets into a perl string. |
|
|
673 | |
|
|
674 | =item $term->scr_add_lines ($string) |
|
|
675 | |
|
|
676 | Write the given text string to the screen, as if output by the application |
|
|
677 | running inside the terminal. It may not contain command sequences (escape |
|
|
678 | codes), but is free to use line feeds, carriage returns and tabs. The |
|
|
679 | string is a normal text string, not in locale-dependent encoding. |
|
|
680 | |
|
|
681 | Normally its not a good idea to use this function, as programs might be |
|
|
682 | confused by changes in cursor position or scrolling. Its useful inside a |
|
|
683 | C<on_add_lines> hook, though. |
|
|
684 | |
|
|
685 | =item $term->cmd_parse ($octets) |
|
|
686 | |
|
|
687 | Similar to C<scr_add_lines>, but the argument must be in the |
|
|
688 | locale-specific encoding of the terminal and can contain command sequences |
|
|
689 | (escape codes) that will be interpreted. |
|
|
690 | |
|
|
691 | =item $term->tt_write ($octets) |
|
|
692 | |
|
|
693 | Write the octets given in C<$data> to the tty (i.e. as program input). To |
|
|
694 | pass characters instead of octets, you should convert your strings first |
|
|
695 | to the locale-specific encoding using C<< $term->locale_encode >>. |
|
|
696 | |
|
|
697 | =item $window_width = $term->width |
|
|
698 | |
|
|
699 | =item $window_height = $term->height |
|
|
700 | |
|
|
701 | =item $font_width = $term->fwidth |
|
|
702 | |
|
|
703 | =item $font_height = $term->fheight |
|
|
704 | |
|
|
705 | =item $font_ascent = $term->fbase |
|
|
706 | |
|
|
707 | =item $terminal_rows = $term->nrow |
|
|
708 | |
|
|
709 | =item $terminal_columns = $term->ncol |
|
|
710 | |
|
|
711 | =item $has_focus = $term->focus |
|
|
712 | |
|
|
713 | =item $is_mapped = $term->mapped |
|
|
714 | |
|
|
715 | =item $max_scrollback = $term->saveLines |
|
|
716 | |
|
|
717 | =item $nrow_plus_saveLines = $term->total_rows |
|
|
718 | |
|
|
719 | =item $lines_in_scrollback = $term->nsaved |
|
|
720 | |
|
|
721 | Return various integers describing terminal characteristics. |
|
|
722 | |
|
|
723 | =item $view_start = $term->view_start ([$newvalue]) |
|
|
724 | |
|
|
725 | Returns the negative row number of the topmost line. Minimum value is |
|
|
726 | C<0>, which displays the normal terminal contents. Larger values scroll |
|
|
727 | this many lines into the scrollback buffer. |
|
|
728 | |
|
|
729 | =item $term->want_refresh |
|
|
730 | |
|
|
731 | Requests a screen refresh. At the next opportunity, rxvt-unicode will |
|
|
732 | compare the on-screen display with its stored representation. If they |
|
|
733 | differ, it redraws the differences. |
|
|
734 | |
|
|
735 | Used after changing terminal contents to display them. |
|
|
736 | |
|
|
737 | =item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) |
|
|
738 | |
|
|
739 | Returns the text of the entire row with number C<$row_number>. Row C<0> |
|
|
740 | is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost |
|
|
741 | terminal line. The scrollback buffer starts at line C<-1> and extends to |
|
|
742 | line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line |
|
|
743 | is requested. |
|
|
744 | |
|
|
745 | If C<$new_text> is specified, it will replace characters in the current |
|
|
746 | line, starting at column C<$start_col> (default C<0>), which is useful |
|
|
747 | to replace only parts of a line. The font index in the rendition will |
|
|
748 | automatically be updated. |
|
|
749 | |
|
|
750 | C<$text> is in a special encoding: tabs and wide characters that use more |
|
|
751 | than one cell when displayed are padded with urxvt::NOCHAR characters |
|
|
752 | (C<chr 65535>). Characters with combining characters and other characters |
|
|
753 | that do not fit into the normal tetx encoding will be replaced with |
|
|
754 | characters in the private use area. |
|
|
755 | |
|
|
756 | You have to obey this encoding when changing text. The advantage is |
|
|
757 | that C<substr> and similar functions work on screen cells and not on |
|
|
758 | characters. |
|
|
759 | |
|
|
760 | The methods C<< $term->special_encode >> and C<< $term->special_decode >> |
|
|
761 | can be used to convert normal strings into this encoding and vice versa. |
|
|
762 | |
|
|
763 | =item $rend = $term->ROW_r ($row_number[, $new_rend[, $start_col]]) |
|
|
764 | |
|
|
765 | Like C<< $term->ROW_t >>, but returns an arrayref with rendition |
|
|
766 | bitsets. Rendition bitsets contain information about colour, font, font |
|
|
767 | styles and similar information. See also C<< $term->ROW_t >>. |
|
|
768 | |
|
|
769 | When setting rendition, the font mask will be ignored. |
|
|
770 | |
|
|
771 | See the section on RENDITION, above. |
|
|
772 | |
|
|
773 | =item $length = $term->ROW_l ($row_number[, $new_length]) |
|
|
774 | |
|
|
775 | Returns the number of screen cells that are in use ("the line |
|
|
776 | length"). Unlike the urxvt core, this returns C<< $term->ncol >> if the |
|
|
777 | line is joined with the following one. |
|
|
778 | |
|
|
779 | =item $bool = $term->is_longer ($row_number) |
|
|
780 | |
|
|
781 | Returns true if the row is part of a multiple-row logical "line" (i.e. |
|
|
782 | joined with the following row), which means all characters are in use |
|
|
783 | and it is continued on the next row (and possibly a continuation of the |
|
|
784 | previous row(s)). |
|
|
785 | |
|
|
786 | =item $line = $term->line ($row_number) |
|
|
787 | |
|
|
788 | Create and return a new C<urxvt::line> object that stores information |
|
|
789 | about the logical line that row C<$row_number> is part of. It supports the |
|
|
790 | following methods: |
|
|
791 | |
|
|
792 | =over 4 |
|
|
793 | |
|
|
794 | =item $text = $line->t ([$new_text]) |
|
|
795 | |
|
|
796 | Returns or replaces the full text of the line, similar to C<ROW_t> |
|
|
797 | |
|
|
798 | =item $rend = $line->r ([$new_rend]) |
|
|
799 | |
|
|
800 | Returns or replaces the full rendition array of the line, similar to C<ROW_r> |
|
|
801 | |
|
|
802 | =item $length = $line->l |
|
|
803 | |
|
|
804 | Returns the length of the line in cells, similar to C<ROW_l>. |
|
|
805 | |
|
|
806 | =item $rownum = $line->beg |
|
|
807 | |
|
|
808 | =item $rownum = $line->end |
|
|
809 | |
|
|
810 | Return the row number of the first/last row of the line, respectively. |
|
|
811 | |
|
|
812 | =item $offset = $line->offset_of ($row, $col) |
|
|
813 | |
|
|
814 | Returns the character offset of the given row|col pair within the logical |
|
|
815 | line. |
|
|
816 | |
|
|
817 | =item ($row, $col) = $line->coord_of ($offset) |
|
|
818 | |
|
|
819 | Translates a string offset into terminal coordinates again. |
|
|
820 | |
|
|
821 | =back |
284 | |
822 | |
285 | =cut |
823 | =cut |
286 | |
824 | |
287 | sub urxvt::term::scr_overlay { |
825 | sub urxvt::term::line { |
288 | my ($self, $x, $y, $text) = @_; |
826 | my ($self, $row) = @_; |
289 | |
827 | |
290 | my @lines = split /\n/, $text; |
828 | my $maxrow = $self->nrow - 1; |
291 | |
829 | |
292 | my $w = 0; |
830 | my ($beg, $end) = ($row, $row); |
293 | for (map urxvt::wcswidth $_, @lines) { |
831 | |
294 | $w = $_ if $w < $_; |
832 | --$beg while $self->ROW_is_longer ($beg - 1); |
|
|
833 | ++$end while $self->ROW_is_longer ($end) && $end < $maxrow; |
|
|
834 | |
|
|
835 | bless { |
|
|
836 | term => $self, |
|
|
837 | beg => $beg, |
|
|
838 | end => $end, |
|
|
839 | ncol => $self->ncol, |
|
|
840 | len => ($end - $beg) * $self->ncol + $self->ROW_l ($end), |
|
|
841 | }, urxvt::line:: |
|
|
842 | } |
|
|
843 | |
|
|
844 | sub urxvt::line::t { |
|
|
845 | my ($self) = @_; |
|
|
846 | |
|
|
847 | if (@_ > 1) |
|
|
848 | { |
|
|
849 | $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) |
|
|
850 | for $self->{beg} .. $self->{end}; |
|
|
851 | } |
|
|
852 | |
|
|
853 | defined wantarray && |
|
|
854 | substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), |
|
|
855 | 0, $self->{len} |
|
|
856 | } |
|
|
857 | |
|
|
858 | sub urxvt::line::r { |
|
|
859 | my ($self) = @_; |
|
|
860 | |
|
|
861 | if (@_ > 1) |
|
|
862 | { |
|
|
863 | $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) |
|
|
864 | for $self->{beg} .. $self->{end}; |
|
|
865 | } |
|
|
866 | |
|
|
867 | if (defined wantarray) { |
|
|
868 | my $rend = [ |
|
|
869 | map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} |
|
|
870 | ]; |
|
|
871 | $#$rend = $self->{len} - 1; |
|
|
872 | return $rend; |
295 | } |
873 | } |
296 | |
874 | |
297 | $self->scr_overlay_new ($x, $y, $w, scalar @lines); |
875 | () |
298 | $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; |
|
|
299 | } |
876 | } |
300 | |
877 | |
301 | =item $term->scr_overlay_new ($x, $y, $width, $height) |
878 | sub urxvt::line::beg { $_[0]{beg} } |
|
|
879 | sub urxvt::line::end { $_[0]{end} } |
|
|
880 | sub urxvt::line::l { $_[0]{len} } |
302 | |
881 | |
303 | Create a new (empty) overlay at the given position with the given |
882 | sub urxvt::line::offset_of { |
304 | width/height. A border will be put around the box. If either C<$x> or |
883 | my ($self, $row, $col) = @_; |
305 | C<$y> is negative, then this is counted from the right/bottom side, |
|
|
306 | respectively. |
|
|
307 | |
884 | |
308 | =item $term->scr_overlay_off |
885 | ($row - $self->{beg}) * $self->{ncol} + $col |
|
|
886 | } |
309 | |
887 | |
310 | Switch the overlay off again. |
888 | sub urxvt::line::coord_of { |
|
|
889 | my ($self, $offset) = @_; |
311 | |
890 | |
312 | =item $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE) |
891 | use integer; |
313 | |
892 | |
314 | Put a single character (specified numerically) at the given overlay |
893 | ( |
315 | position. |
894 | $offset / $self->{ncol} + $self->{beg}, |
|
|
895 | $offset % $self->{ncol} |
|
|
896 | ) |
|
|
897 | } |
316 | |
898 | |
317 | =item $term->scr_overlay_set ($x, $y, $text) |
899 | =item ($row, $col) = $line->coord_of ($offset) |
|
|
900 | =item $text = $term->special_encode $string |
318 | |
901 | |
319 | Write a string at the given position into the overlay. |
902 | Converts a perl string into the special encoding used by rxvt-unicode, |
|
|
903 | where one character corresponds to one screen cell. See |
|
|
904 | C<< $term->ROW_t >> for details. |
|
|
905 | |
|
|
906 | =item $string = $term->special_decode $text |
|
|
907 | |
|
|
908 | Converts rxvt-unicodes text reprsentation into a perl string. See |
|
|
909 | C<< $term->ROW_t >> for details. |
320 | |
910 | |
321 | =back |
911 | =back |
322 | |
912 | |
323 | =head2 The C<urxvt::timer> Class |
913 | =head2 The C<urxvt::timer> Class |
324 | |
914 | |
325 | This class implements timer watchers/events. Time is represented as a |
915 | This class implements timer watchers/events. Time is represented as a |
326 | fractional number of seconds since the epoch. Example: |
916 | fractional number of seconds since the epoch. Example: |
327 | |
917 | |
328 | # create a digital clock display in upper right corner |
918 | $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0); |
329 | $term->{timer} = urxvt::timer |
919 | $term->{timer} = urxvt::timer |
330 | ->new |
920 | ->new |
331 | ->start (urxvt::NOW) |
921 | ->interval (1) |
332 | ->cb (sub { |
922 | ->cb (sub { |
333 | my ($timer) = @_; |
|
|
334 | my $time = $timer->at; |
|
|
335 | $timer->start ($time + 1); |
|
|
336 | $self->scr_overlay (-1, 0, |
923 | $term->{overlay}->set (0, 0, |
337 | POSIX::strftime "%H:%M:%S", localtime $time); |
924 | sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]); |
338 | }); |
925 | }); |
339 | |
926 | |
340 | =over 4 |
927 | =over 4 |
341 | |
928 | |
342 | =item $timer = new urxvt::timer |
929 | =item $timer = new urxvt::timer |
343 | |
930 | |
344 | Create a new timer object in stopped state. |
931 | Create a new timer object in started state. It is scheduled to fire |
|
|
932 | immediately. |
345 | |
933 | |
346 | =item $timer = $timer->cb (sub { my ($timer) = @_; ... }) |
934 | =item $timer = $timer->cb (sub { my ($timer) = @_; ... }) |
347 | |
935 | |
348 | Set the callback to be called when the timer triggers. |
936 | Set the callback to be called when the timer triggers. |
349 | |
937 | |
… | |
… | |
352 | Return the time this watcher will fire next. |
940 | Return the time this watcher will fire next. |
353 | |
941 | |
354 | =item $timer = $timer->set ($tstamp) |
942 | =item $timer = $timer->set ($tstamp) |
355 | |
943 | |
356 | Set the time the event is generated to $tstamp. |
944 | Set the time the event is generated to $tstamp. |
|
|
945 | |
|
|
946 | =item $timer = $timer->interval ($interval) |
|
|
947 | |
|
|
948 | Normally (and when C<$interval> is C<0>), the timer will automatically |
|
|
949 | stop after it has fired once. If C<$interval> is non-zero, then the timer |
|
|
950 | is automatically rescheduled at the given intervals. |
357 | |
951 | |
358 | =item $timer = $timer->start |
952 | =item $timer = $timer->start |
359 | |
953 | |
360 | Start the timer. |
954 | Start the timer. |
361 | |
955 | |
… | |
… | |
424 | This variable controls the verbosity level of the perl extension. Higher |
1018 | This variable controls the verbosity level of the perl extension. Higher |
425 | numbers indicate more verbose output. |
1019 | numbers indicate more verbose output. |
426 | |
1020 | |
427 | =over 4 |
1021 | =over 4 |
428 | |
1022 | |
429 | =item 0 - only fatal messages |
1023 | =item =0 - only fatal messages |
430 | |
1024 | |
431 | =item 3 - script loading and management |
1025 | =item =3 - script loading and management |
432 | |
1026 | |
433 | =item 10 - all events received |
1027 | =item =10 - all events received |
434 | |
1028 | |
435 | =back |
1029 | =back |
436 | |
1030 | |
437 | =head1 AUTHOR |
1031 | =head1 AUTHOR |
438 | |
1032 | |