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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 example-refresh-hooks |
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66 | |
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67 | Displays a very simple digital clock in the upper right corner of the |
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68 | window. Illustrates overwriting the refresh callbacks to create your own |
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69 | overlays or changes. |
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70 | |
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71 | =item mark-urls |
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72 | |
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73 | A not very useful example of filtering all text output to the terminal, by |
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74 | underlining all urls that matches a certain regex (i.e. some urls :). It |
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75 | is not very useful because urls that are output in multiple steps (e.g. |
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76 | when typing them) do not get marked. |
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77 | |
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78 | =back |
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79 | |
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80 | =head2 General API Considerations |
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81 | |
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82 | All objects (such as terminals, time watchers etc.) are typical |
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83 | reference-to-hash objects. The hash can be used to store anything you |
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84 | like. All members starting with an underscore (such as C<_ptr> or |
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85 | C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or |
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86 | modified). |
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87 | |
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88 | When objects are destroyed on the C++ side, the perl object hashes are |
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89 | emptied, so its best to store related objects such as time watchers and |
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90 | the like inside the terminal object so they get destroyed as soon as the |
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91 | terminal is destroyed. |
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92 | |
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93 | Argument names also often indicate the type of a parameter. Here are some |
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94 | hints on what they mean: |
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95 | |
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96 | =over 4 |
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97 | |
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98 | =item $text |
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99 | |
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100 | Rxvt-unicodes special way of encoding text, where one "unicode" character |
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101 | always represents one screen cell. See L<row_t> for a discussion of this format. |
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102 | |
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103 | =item $string |
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104 | |
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105 | A perl text string, with an emphasis on I<text>. It can store all unicode |
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106 | characters and is to be distinguished with text encoded in a specific |
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107 | encoding (often locale-specific) and binary data. |
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108 | |
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109 | =item $octets |
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110 | |
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111 | Either binary data or - more common - a text string encoded in a |
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112 | locale-specific way. |
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113 | |
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114 | =back |
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115 | |
24 | =head2 Hooks |
116 | =head2 Hooks |
25 | |
117 | |
26 | The following subroutines can be declared in loaded scripts, and will be called |
118 | The following subroutines can be declared in loaded scripts, and will be |
27 | whenever the relevant event happens. |
119 | called whenever the relevant event happens. |
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120 | |
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121 | The first argument passed to them is an object private to each terminal |
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122 | and extension package. You can call all C<urxvt::term> methods on it, but |
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123 | its not a real C<urxvt::term> object. Instead, the real C<urxvt::term> |
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124 | object that is shared between all packages is stored in the C<term> |
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125 | member. |
28 | |
126 | |
29 | All of them must return a boolean value. If it is true, then the event |
127 | 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, |
128 | 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. |
129 | and the relevant action might not be carried out by the C++ code. |
32 | |
130 | |
… | |
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65 | requested from the server. The selection text can be queried and changed |
163 | requested from the server. The selection text can be queried and changed |
66 | by calling C<< $term->selection >>. |
164 | by calling C<< $term->selection >>. |
67 | |
165 | |
68 | Returning a true value aborts selection grabbing. It will still be hilighted. |
166 | Returning a true value aborts selection grabbing. It will still be hilighted. |
69 | |
167 | |
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168 | =item on_sel_extend $term |
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169 | |
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170 | Called whenever the user tries to extend the selection (e.g. with a double |
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171 | click) and is either supposed to return false (normal operation), or |
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172 | should extend the selection itelf and return true to suppress the built-in |
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173 | processing. |
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174 | |
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175 | See the F<selection> example extension. |
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176 | |
70 | =item on_focus_in $term |
177 | =item on_focus_in $term |
71 | |
178 | |
72 | Called whenever the window gets the keyboard focus, before urxvt does |
179 | Called whenever the window gets the keyboard focus, before urxvt does |
73 | focus in processing. |
180 | focus in processing. |
74 | |
181 | |
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94 | number of lines that will be in the scrollback buffer. |
201 | number of lines that will be in the scrollback buffer. |
95 | |
202 | |
96 | =item on_tty_activity $term *NYI* |
203 | =item on_tty_activity $term *NYI* |
97 | |
204 | |
98 | Called whenever the program(s) running in the urxvt window send output. |
205 | Called whenever the program(s) running in the urxvt window send output. |
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206 | |
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207 | =item on_osc_seq $term, $string |
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208 | |
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209 | Called whenever the B<ESC ] 777 ; string ST> command sequence (OSC = |
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210 | operating system command) is processed. Cursor position and other state |
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211 | information is up-to-date when this happens. For interoperability, the |
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212 | string should start with the extension name and a colon, to distinguish |
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213 | it from commands for other extensions, and this might be enforced in the |
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214 | future. |
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215 | |
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216 | Be careful not ever to trust (in a security sense) the data you receive, |
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217 | as its source can not easily be controleld (e-mail content, messages from |
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218 | other users on the same system etc.). |
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219 | |
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220 | =item on_add_lines $term, $string |
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221 | |
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222 | Called whenever text is about to be output, with the text as argument. You |
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223 | can filter/change and output the text yourself by returning a true value |
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224 | and calling C<< $term->scr_add_lines >> yourself. Please note that this |
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225 | might be very slow, however, as your hook is called for B<all> text being |
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226 | output. |
99 | |
227 | |
100 | =item on_refresh_begin $term |
228 | =item on_refresh_begin $term |
101 | |
229 | |
102 | Called just before the screen gets redrawn. Can be used for overlay |
230 | Called just before the screen gets redrawn. Can be used for overlay |
103 | or similar effects by modify terminal contents in refresh_begin, and |
231 | or similar effects by modify terminal contents in refresh_begin, and |
… | |
… | |
106 | |
234 | |
107 | =item on_refresh_end $term |
235 | =item on_refresh_end $term |
108 | |
236 | |
109 | Called just after the screen gets redrawn. See C<on_refresh_begin>. |
237 | Called just after the screen gets redrawn. See C<on_refresh_begin>. |
110 | |
238 | |
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239 | =item on_keyboard_command $term, $string |
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240 | |
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241 | Called whenever the user presses a key combination that has a |
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242 | C<perl:string> action bound to it (see description of the B<keysym> |
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243 | resource in the @@RXVT_NAME@@(1) manpage). |
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244 | |
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245 | =back |
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246 | |
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247 | =head2 Variables in the C<urxvt> Package |
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248 | |
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249 | =over 4 |
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250 | |
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251 | =item $urxvt::TERM |
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252 | |
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253 | The current terminal. Whenever a callback/Hook is bein executed, this |
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254 | variable stores the current C<urxvt::term> object. |
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255 | |
111 | =back |
256 | =back |
112 | |
257 | |
113 | =head2 Functions in the C<urxvt> Package |
258 | =head2 Functions in the C<urxvt> Package |
114 | |
259 | |
115 | =over 4 |
260 | =over 4 |
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120 | costs! The only time this is acceptable is when the terminal process |
265 | costs! The only time this is acceptable is when the terminal process |
121 | starts up. |
266 | starts up. |
122 | |
267 | |
123 | =item urxvt::warn $string |
268 | =item urxvt::warn $string |
124 | |
269 | |
125 | Calls C<rxvt_warn> witht eh given string which should not include a |
270 | 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 |
271 | newline. The module also overwrites the C<warn> builtin with a function |
127 | that calls this function. |
272 | that calls this function. |
128 | |
273 | |
129 | Using this function has the advantage that its output ends up in the |
274 | 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. |
275 | correct place, e.g. on stderr of the connecting urxvtc client. |
131 | |
276 | |
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 |
277 | =item $time = urxvt::NOW |
138 | |
278 | |
139 | Returns the "current time" (as per the event loop). |
279 | Returns the "current time" (as per the event loop). |
140 | |
280 | |
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281 | =back |
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282 | |
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283 | =head2 RENDITION |
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284 | |
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285 | Rendition bitsets contain information about colour, font, font styles and |
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286 | similar information for each screen cell. |
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287 | |
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288 | The following "macros" deal with changes in rendition sets. You should |
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289 | never just create a bitset, you should always modify an existing one, |
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290 | as they contain important information required for correct operation of |
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291 | rxvt-unicode. |
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292 | |
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293 | =over 4 |
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294 | |
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295 | =item $rend = urxvt::DEFAULT_RSTYLE |
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296 | |
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297 | Returns the default rendition, as used when the terminal is starting up or |
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298 | being reset. Useful as a base to start when creating renditions. |
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299 | |
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300 | =item $rend = urxvt::OVERLAY_RSTYLE |
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301 | |
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302 | Return the rendition mask used for overlays by default. |
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303 | |
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304 | =item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline |
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305 | |
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306 | Return the bit that enabled bold, italic, blink, reverse-video and |
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307 | underline, respectively. To enable such a style, just logically OR it into |
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308 | the bitset. |
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309 | |
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310 | =item $foreground = urxvt::GET_BASEFG $rend |
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311 | |
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312 | =item $background = urxvt::GET_BASEBG $rend |
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313 | |
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314 | Return the foreground/background colour index, respectively. |
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315 | |
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316 | =item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) |
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317 | |
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318 | =item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) |
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319 | |
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320 | Replace the foreground/background colour in the rendition mask with the |
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321 | specified one. |
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322 | |
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323 | =item $value = urxvt::GET_CUSTOM ($rend) |
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324 | |
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325 | Return the "custom" value: Every rendition has 5 bits for use by |
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326 | extensions. They can be set and changed as you like and are initially |
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327 | zero. |
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328 | |
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329 | =item $rend = urxvt::SET_CUSTOM ($rend, $new_value) |
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330 | |
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331 | Change the custom value. |
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332 | |
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333 | =back |
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334 | |
141 | =cut |
335 | =cut |
142 | |
336 | |
143 | package urxvt; |
337 | package urxvt; |
144 | |
338 | |
145 | use strict; |
339 | use strict; |
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340 | use Scalar::Util (); |
146 | |
341 | |
147 | our $term; |
342 | our $TERM; |
148 | our @HOOKNAME; |
343 | our @HOOKNAME; |
149 | our $LIBDIR; |
344 | our $LIBDIR; |
150 | |
345 | |
151 | BEGIN { |
346 | BEGIN { |
152 | urxvt->bootstrap; |
347 | urxvt->bootstrap; |
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158 | unless $msg =~ /\n$/; |
353 | unless $msg =~ /\n$/; |
159 | urxvt::warn ($msg); |
354 | urxvt::warn ($msg); |
160 | }; |
355 | }; |
161 | } |
356 | } |
162 | |
357 | |
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358 | my @hook_count; |
163 | my $verbosity = $ENV{URXVT_PERL_VERBOSITY} || 10; |
359 | my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; |
164 | |
360 | |
165 | sub verbose { |
361 | sub verbose { |
166 | my ($level, $msg) = @_; |
362 | my ($level, $msg) = @_; |
167 | warn "$msg\n"; #d# |
363 | 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 | } |
364 | } |
188 | |
365 | |
189 | # find on_xxx subs in the package and register them |
366 | # find on_xxx subs in the package and register them |
190 | # as hooks |
367 | # as hooks |
191 | sub register_package($) { |
368 | sub register_package($) { |
192 | my ($pkg) = @_; |
369 | my ($pkg) = @_; |
193 | |
370 | |
194 | for my $hook (0.. $#HOOKNAME) { |
371 | for my $htype (0.. $#HOOKNAME) { |
195 | my $name = $HOOKNAME[$hook]; |
372 | my $name = $HOOKNAME[$htype]; |
196 | |
373 | |
197 | my $ref = $pkg->can ("on_" . lc $name) |
374 | my $ref = $pkg->can ("on_" . lc $name) |
198 | or next; |
375 | or next; |
199 | |
376 | |
200 | $invoke_cb[$hook]{$ref*1} = $ref; |
377 | $TERM->{_hook}[$htype]{$pkg} = $ref; |
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378 | $hook_count[$htype]++ |
201 | set_should_invoke $hook, 1; |
379 | or set_should_invoke $htype, 1; |
202 | } |
380 | } |
203 | } |
381 | } |
204 | |
382 | |
205 | my $script_pkg = "script0000"; |
383 | my $script_pkg = "script0000"; |
206 | my %script_pkg; |
384 | my %script_pkg; |
207 | |
385 | |
208 | # load a single script into its own package, once only |
386 | # load a single script into its own package, once only |
209 | sub load_script($) { |
387 | sub script_package($) { |
210 | my ($path) = @_; |
388 | my ($path) = @_; |
211 | |
389 | |
212 | $script_pkg{$path} ||= do { |
390 | $script_pkg{$path} ||= do { |
213 | my $pkg = $script_pkg++; |
391 | my $pkg = "urxvt::" . ($script_pkg++); |
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392 | |
214 | verbose 3, "loading script '$path' into package '$pkg'"; |
393 | verbose 3, "loading script '$path' into package '$pkg'"; |
215 | |
394 | |
216 | open my $fh, "<:raw", $path |
395 | open my $fh, "<:raw", $path |
217 | or die "$path: $!"; |
396 | or die "$path: $!"; |
218 | |
397 | |
219 | eval "package $pkg; use strict; use utf8;\n" |
398 | my $source = "package $pkg; use strict; use utf8;\n" |
220 | . "#line 1 \"$path\"\n" |
399 | . "#line 1 \"$path\"\n{\n" |
221 | . do { local $/; <$fh> } |
400 | . (do { local $/; <$fh> }) |
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401 | . "\n};\n1"; |
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402 | |
222 | or die "$path: $@"; |
403 | eval $source or die "$path: $@"; |
223 | |
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224 | register_package $pkg; |
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225 | |
404 | |
226 | $pkg |
405 | $pkg |
227 | }; |
406 | } |
228 | } |
407 | } |
229 | |
408 | |
230 | load_script $_ for grep -f $_, <$LIBDIR/perl-ext/*>; |
409 | our $retval; # return value for urxvt |
231 | |
410 | |
232 | =back |
411 | # called by the rxvt core |
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412 | sub invoke { |
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413 | local $TERM = shift; |
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414 | my $htype = shift; |
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415 | |
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416 | if ($htype == 0) { # INIT |
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417 | my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); |
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418 | |
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419 | for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { |
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420 | my @files = grep -f $_, map "$_/$ext", @dirs; |
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421 | |
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422 | if (@files) { |
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423 | register_package script_package $files[0]; |
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424 | } else { |
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425 | warn "perl extension '$ext' not found in perl library search path\n"; |
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426 | } |
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427 | } |
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428 | } |
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429 | |
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430 | $retval = undef; |
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431 | |
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432 | if (my $cb = $TERM->{_hook}[$htype]) { |
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433 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" |
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434 | if $verbosity >= 10; |
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435 | |
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436 | keys %$cb; |
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437 | |
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438 | while (my ($pkg, $cb) = each %$cb) { |
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439 | $retval = $cb->( |
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440 | $TERM->{_pkg}{$pkg} ||= do { |
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441 | my $proxy = bless { }, urxvt::term::proxy::; |
|
|
442 | Scalar::Util::weaken ($proxy->{term} = $TERM); |
|
|
443 | $proxy |
|
|
444 | }, |
|
|
445 | @_, |
|
|
446 | ) and last; |
|
|
447 | } |
|
|
448 | } |
|
|
449 | |
|
|
450 | if ($htype == 1) { # DESTROY |
|
|
451 | # remove hooks if unused |
|
|
452 | if (my $hook = $TERM->{_hook}) { |
|
|
453 | for my $htype (0..$#$hook) { |
|
|
454 | $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } |
|
|
455 | or set_should_invoke $htype, 0; |
|
|
456 | } |
|
|
457 | } |
|
|
458 | |
|
|
459 | # clear package objects |
|
|
460 | %$_ = () for values %{ $TERM->{_pkg} }; |
|
|
461 | |
|
|
462 | # clear package |
|
|
463 | %$TERM = (); |
|
|
464 | } |
|
|
465 | |
|
|
466 | $retval |
|
|
467 | } |
|
|
468 | |
|
|
469 | sub urxvt::term::proxy::AUTOLOAD { |
|
|
470 | $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ |
|
|
471 | or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; |
|
|
472 | |
|
|
473 | eval qq{ |
|
|
474 | sub $urxvt::term::proxy::AUTOLOAD { |
|
|
475 | my \$proxy = shift; |
|
|
476 | \$proxy->{term}->$1 (\@_) |
|
|
477 | } |
|
|
478 | 1 |
|
|
479 | } or die "FATAL: unable to compile method forwarder: $@"; |
|
|
480 | |
|
|
481 | goto &$urxvt::term::proxy::AUTOLOAD; |
|
|
482 | } |
233 | |
483 | |
234 | =head2 The C<urxvt::term> Class |
484 | =head2 The C<urxvt::term> Class |
235 | |
485 | |
236 | =over 4 |
486 | =over 4 |
237 | |
487 | |
… | |
… | |
258 | |
508 | |
259 | answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont |
509 | answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont |
260 | borderLess color cursorBlink cursorUnderline cutchars delete_key |
510 | borderLess color cursorBlink cursorUnderline cutchars delete_key |
261 | display_name embed ext_bwidth fade font geometry hold iconName |
511 | display_name embed ext_bwidth fade font geometry hold iconName |
262 | imFont imLocale inputMethod insecure int_bwidth intensityStyles |
512 | imFont imLocale inputMethod insecure int_bwidth intensityStyles |
263 | italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 |
513 | italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier |
264 | modifier mouseWheelScrollPage name pastableTabs path pointerBlank |
514 | mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 |
265 | pointerBlankDelay preeditType print_pipe pty_fd reverseVideo saveLines |
515 | perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd |
266 | scrollBar scrollBar_align scrollBar_floating scrollBar_right |
516 | reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating |
267 | scrollBar_thickness scrollTtyKeypress scrollTtyOutput scrollWithBuffer |
517 | scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput |
268 | scrollstyle secondaryScreen secondaryScroll selectstyle shade term_name |
518 | scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle |
269 | title transparent transparent_all tripleclickwords utmpInhibit |
519 | shade term_name title transparent transparent_all tripleclickwords |
270 | visualBell |
520 | utmpInhibit visualBell |
271 | |
521 | |
272 | =cut |
522 | =cut |
273 | |
523 | |
274 | sub urxvt::term::resource($$;$) { |
524 | sub urxvt::term::resource($$;$) { |
275 | my ($self, $name) = (shift, shift); |
525 | my ($self, $name) = (shift, shift); |
276 | unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); |
526 | unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); |
277 | goto &urxvt::term::_resource; |
527 | goto &urxvt::term::_resource; |
278 | } |
528 | } |
279 | |
529 | |
|
|
530 | =item $rend = $term->rstyle ([$new_rstyle]) |
|
|
531 | |
|
|
532 | Return and optionally change the current rendition. Text that is output by |
|
|
533 | the terminal application will use this style. |
|
|
534 | |
|
|
535 | =item ($row, $col) = $term->screen_cur ([$row, $col]) |
|
|
536 | |
|
|
537 | Return the current coordinates of the text cursor position and optionally |
|
|
538 | set it (which is usually bad as applications don't expect that). |
|
|
539 | |
280 | =item ($row, $col) = $term->selection_mark ([$row, $col]) |
540 | =item ($row, $col) = $term->selection_mark ([$row, $col]) |
281 | |
541 | |
282 | =item ($row, $col) = $term->selection_beg ([$row, $col]) |
542 | =item ($row, $col) = $term->selection_beg ([$row, $col]) |
283 | |
543 | |
284 | =item ($row, $col) = $term->selection_end ([$row, $col]) |
544 | =item ($row, $col) = $term->selection_end ([$row, $col]) |
… | |
… | |
293 | |
553 | |
294 | =item $oldtext = $term->selection ([$newtext]) |
554 | =item $oldtext = $term->selection ([$newtext]) |
295 | |
555 | |
296 | Return the current selection text and optionally replace it by C<$newtext>. |
556 | Return the current selection text and optionally replace it by C<$newtext>. |
297 | |
557 | |
298 | =item $term->scr_overlay ($x, $y, $text) |
558 | #=item $term->overlay ($x, $y, $text) |
299 | |
559 | # |
300 | Create a simple multi-line overlay box. See the next method for details. |
560 | #Create a simple multi-line overlay box. See the next method for details. |
|
|
561 | # |
|
|
562 | #=cut |
|
|
563 | # |
|
|
564 | #sub urxvt::term::scr_overlay { |
|
|
565 | # my ($self, $x, $y, $text) = @_; |
|
|
566 | # |
|
|
567 | # my @lines = split /\n/, $text; |
|
|
568 | # |
|
|
569 | # my $w = 0; |
|
|
570 | # for (map $self->strwidth ($_), @lines) { |
|
|
571 | # $w = $_ if $w < $_; |
|
|
572 | # } |
|
|
573 | # |
|
|
574 | # $self->scr_overlay_new ($x, $y, $w, scalar @lines); |
|
|
575 | # $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; |
|
|
576 | #} |
|
|
577 | |
|
|
578 | =item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) |
|
|
579 | |
|
|
580 | Create a new (empty) overlay at the given position with the given |
|
|
581 | width/height. C<$rstyle> defines the initial rendition style |
|
|
582 | (default: C<OVERLAY_RSTYLE>). |
|
|
583 | |
|
|
584 | If C<$border> is C<2> (default), then a decorative border will be put |
|
|
585 | around the box. |
|
|
586 | |
|
|
587 | If either C<$x> or C<$y> is negative, then this is counted from the |
|
|
588 | right/bottom side, respectively. |
|
|
589 | |
|
|
590 | This method returns an urxvt::overlay object. The overlay will be visible |
|
|
591 | as long as the perl object is referenced. |
|
|
592 | |
|
|
593 | The methods currently supported on C<urxvt::overlay> objects are: |
|
|
594 | |
|
|
595 | =over 4 |
|
|
596 | |
|
|
597 | =item $overlay->set ($x, $y, $text, $rend) |
|
|
598 | |
|
|
599 | Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts |
|
|
600 | text in rxvt-unicode's special encoding and an array of rendition values |
|
|
601 | at a specific position inside the overlay. |
|
|
602 | |
|
|
603 | =item $overlay->hide |
|
|
604 | |
|
|
605 | If visible, hide the overlay, but do not destroy it. |
|
|
606 | |
|
|
607 | =item $overlay->show |
|
|
608 | |
|
|
609 | If hidden, display the overlay again. |
|
|
610 | |
|
|
611 | =back |
|
|
612 | |
|
|
613 | =item $cellwidth = $term->strwidth $string |
|
|
614 | |
|
|
615 | Returns the number of screen-cells this string would need. Correctly |
|
|
616 | accounts for wide and combining characters. |
|
|
617 | |
|
|
618 | =item $octets = $term->locale_encode $string |
|
|
619 | |
|
|
620 | Convert the given text string into the corresponding locale encoding. |
|
|
621 | |
|
|
622 | =item $string = $term->locale_decode $octets |
|
|
623 | |
|
|
624 | Convert the given locale-encoded octets into a perl string. |
|
|
625 | |
|
|
626 | =item $term->scr_add_lines ($string) |
|
|
627 | |
|
|
628 | Write the given text string to the screen, as if output by the application |
|
|
629 | running inside the terminal. It may not contain command sequences (escape |
|
|
630 | codes), but is free to use line feeds, carriage returns and tabs. The |
|
|
631 | string is a normal text string, not in locale-dependent encoding. |
|
|
632 | |
|
|
633 | Normally its not a good idea to use this function, as programs might be |
|
|
634 | confused by changes in cursor position or scrolling. Its useful inside a |
|
|
635 | C<on_add_lines> hook, though. |
|
|
636 | |
|
|
637 | =item $term->tt_write ($octets) |
|
|
638 | |
|
|
639 | Write the octets given in C<$data> to the tty (i.e. as program input). To |
|
|
640 | pass characters instead of octets, you should convert your strings first |
|
|
641 | to the locale-specific encoding using C<< $term->locale_encode >>. |
|
|
642 | |
|
|
643 | =item $window_width = $term->width |
|
|
644 | |
|
|
645 | =item $window_height = $term->height |
|
|
646 | |
|
|
647 | =item $font_width = $term->fwidth |
|
|
648 | |
|
|
649 | =item $font_height = $term->fheight |
|
|
650 | |
|
|
651 | =item $font_ascent = $term->fbase |
|
|
652 | |
|
|
653 | =item $terminal_rows = $term->nrow |
|
|
654 | |
|
|
655 | =item $terminal_columns = $term->ncol |
|
|
656 | |
|
|
657 | =item $has_focus = $term->focus |
|
|
658 | |
|
|
659 | =item $is_mapped = $term->mapped |
|
|
660 | |
|
|
661 | =item $max_scrollback = $term->saveLines |
|
|
662 | |
|
|
663 | =item $nrow_plus_saveLines = $term->total_rows |
|
|
664 | |
|
|
665 | =item $lines_in_scrollback = $term->nsaved |
|
|
666 | |
|
|
667 | Return various integers describing terminal characteristics. |
|
|
668 | |
|
|
669 | =item $view_start = $term->view_start ([$newvalue]) |
|
|
670 | |
|
|
671 | Returns the negative row number of the topmost line. Minimum value is |
|
|
672 | C<0>, which displays the normal terminal contents. Larger values scroll |
|
|
673 | this many lines into the scrollback buffer. |
|
|
674 | |
|
|
675 | =item $term->want_refresh |
|
|
676 | |
|
|
677 | Requests a screen refresh. At the next opportunity, rxvt-unicode will |
|
|
678 | compare the on-screen display with its stored representation. If they |
|
|
679 | differ, it redraws the differences. |
|
|
680 | |
|
|
681 | Used after changing terminal contents to display them. |
|
|
682 | |
|
|
683 | =item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) |
|
|
684 | |
|
|
685 | Returns the text of the entire row with number C<$row_number>. Row C<0> |
|
|
686 | is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost |
|
|
687 | terminal line. The scrollback buffer starts at line C<-1> and extends to |
|
|
688 | line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line |
|
|
689 | is requested. |
|
|
690 | |
|
|
691 | If C<$new_text> is specified, it will replace characters in the current |
|
|
692 | line, starting at column C<$start_col> (default C<0>), which is useful |
|
|
693 | to replace only parts of a line. The font index in the rendition will |
|
|
694 | automatically be updated. |
|
|
695 | |
|
|
696 | C<$text> is in a special encoding: tabs and wide characters that use more |
|
|
697 | than one cell when displayed are padded with urxvt::NOCHAR characters |
|
|
698 | (C<chr 65535>). Characters with combining characters and other characters |
|
|
699 | that do not fit into the normal tetx encoding will be replaced with |
|
|
700 | characters in the private use area. |
|
|
701 | |
|
|
702 | You have to obey this encoding when changing text. The advantage is |
|
|
703 | that C<substr> and similar functions work on screen cells and not on |
|
|
704 | characters. |
|
|
705 | |
|
|
706 | The methods C<< $term->special_encode >> and C<< $term->special_decode >> |
|
|
707 | can be used to convert normal strings into this encoding and vice versa. |
|
|
708 | |
|
|
709 | =item $rend = $term->ROW_r ($row_number[, $new_rend[, $start_col]]) |
|
|
710 | |
|
|
711 | Like C<< $term->ROW_t >>, but returns an arrayref with rendition |
|
|
712 | bitsets. Rendition bitsets contain information about colour, font, font |
|
|
713 | styles and similar information. See also C<< $term->ROW_t >>. |
|
|
714 | |
|
|
715 | When setting rendition, the font mask will be ignored. |
|
|
716 | |
|
|
717 | See the section on RENDITION, above. |
|
|
718 | |
|
|
719 | =item $length = $term->ROW_l ($row_number[, $new_length]) |
|
|
720 | |
|
|
721 | Returns the number of screen cells that are in use ("the line |
|
|
722 | length"). Unlike the urxvt core, this returns C<< $term->ncol >> if the |
|
|
723 | line is joined with the following one. |
|
|
724 | |
|
|
725 | =item $bool = $term->is_longer ($row_number) |
|
|
726 | |
|
|
727 | Returns true if the row is part of a multiple-row logical "line" (i.e. |
|
|
728 | joined with the following row), which means all characters are in use |
|
|
729 | and it is continued on the next row (and possibly a continuation of the |
|
|
730 | previous row(s)). |
|
|
731 | |
|
|
732 | =item $line = $term->line ($row_number) |
|
|
733 | |
|
|
734 | Create and return a new C<urxvt::line> object that stores information |
|
|
735 | about the logical line that row C<$row_number> is part of. It supports the |
|
|
736 | following methods: |
|
|
737 | |
|
|
738 | =over 4 |
|
|
739 | |
|
|
740 | =item $text = $line->t |
|
|
741 | |
|
|
742 | Returns the full text of the line, similar to C<ROW_t> |
|
|
743 | |
|
|
744 | =item $rend = $line->r |
|
|
745 | |
|
|
746 | Returns the full rendition array of the line, similar to C<ROW_r> |
|
|
747 | |
|
|
748 | =item $length = $line->l |
|
|
749 | |
|
|
750 | Returns the length of the line in cells, similar to C<ROW_l>. |
|
|
751 | |
|
|
752 | =item $rownum = $line->beg |
|
|
753 | |
|
|
754 | =item $rownum = $line->end |
|
|
755 | |
|
|
756 | Return the row number of the first/last row of the line, respectively. |
|
|
757 | |
|
|
758 | =item $offset = $line->offset_of ($row, $col) |
|
|
759 | |
|
|
760 | Returns the character offset of the given row|col pair within the logical |
|
|
761 | line. |
|
|
762 | |
|
|
763 | =item ($row, $col) = $line->coord_of ($offset) |
|
|
764 | |
|
|
765 | Translates a string offset into terminal coordinates again. |
|
|
766 | |
|
|
767 | =back |
301 | |
768 | |
302 | =cut |
769 | =cut |
303 | |
770 | |
304 | sub urxvt::term::scr_overlay { |
771 | sub urxvt::term::line { |
|
|
772 | my ($self, $row) = @_; |
|
|
773 | |
|
|
774 | my $maxrow = $self->nrow - 1; |
|
|
775 | |
|
|
776 | my ($beg, $end) = ($row, $row); |
|
|
777 | |
|
|
778 | --$beg while $self->ROW_is_longer ($beg - 1); |
|
|
779 | ++$end while $self->ROW_is_longer ($end) && $end < $maxrow; |
|
|
780 | |
|
|
781 | bless { |
|
|
782 | term => $self, |
|
|
783 | beg => $beg, |
|
|
784 | end => $end, |
|
|
785 | len => ($end - $beg) * $self->ncol + $self->ROW_l ($end), |
|
|
786 | }, urxvt::line:: |
|
|
787 | } |
|
|
788 | |
|
|
789 | sub urxvt::line::t { |
|
|
790 | my ($self) = @_; |
|
|
791 | |
|
|
792 | substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), |
|
|
793 | 0, $self->{len} |
|
|
794 | } |
|
|
795 | |
|
|
796 | sub urxvt::line::r { |
|
|
797 | my ($self) = @_; |
|
|
798 | |
|
|
799 | my $rend = [ |
|
|
800 | map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} |
|
|
801 | ]; |
|
|
802 | $#$rend = $self->{len} - 1; |
|
|
803 | $rend |
|
|
804 | } |
|
|
805 | |
|
|
806 | sub urxvt::line::beg { $_[0]{beg} } |
|
|
807 | sub urxvt::line::end { $_[0]{end} } |
|
|
808 | sub urxvt::line::l { $_[0]{len} } |
|
|
809 | |
|
|
810 | sub urxvt::line::offset_of { |
|
|
811 | my ($self, $row, $col) = @_; |
|
|
812 | |
|
|
813 | ($row - $self->{beg}) * $self->{term}->ncol + $col |
|
|
814 | } |
|
|
815 | |
|
|
816 | sub urxvt::line::coord_of { |
305 | my ($self, $x, $y, $text) = @_; |
817 | my ($self, $offset) = @_; |
306 | |
818 | |
307 | my @lines = split /\n/, $text; |
819 | use integer; |
308 | |
820 | |
309 | my $w = 0; |
|
|
310 | for (map urxvt::wcswidth $_, @lines) { |
|
|
311 | $w = $_ if $w < $_; |
|
|
312 | } |
821 | ( |
313 | |
822 | $offset / $self->{term}->ncol + $self->{beg}, |
314 | $self->scr_overlay_new ($x, $y, $w, scalar @lines); |
823 | $offset % $self->{term}->ncol |
315 | $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; |
824 | ) |
316 | } |
825 | } |
317 | |
826 | |
318 | =item $term->scr_overlay_new ($x, $y, $width, $height) |
827 | =item ($row, $col) = $line->coord_of ($offset) |
|
|
828 | =item $text = $term->special_encode $string |
319 | |
829 | |
320 | Create a new (empty) overlay at the given position with the given |
830 | Converts a perl string into the special encoding used by rxvt-unicode, |
321 | width/height. A border will be put around the box. If either C<$x> or |
831 | where one character corresponds to one screen cell. See |
322 | C<$y> is negative, then this is counted from the right/bottom side, |
832 | C<< $term->ROW_t >> for details. |
323 | respectively. |
|
|
324 | |
833 | |
325 | =item $term->scr_overlay_off |
834 | =item $string = $term->special_decode $text |
326 | |
835 | |
327 | Switch the overlay off again. |
836 | Converts rxvt-unicodes text reprsentation into a perl string. See |
328 | |
837 | C<< $term->ROW_t >> for details. |
329 | =item $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE) |
|
|
330 | |
|
|
331 | Put a single character (specified numerically) at the given overlay |
|
|
332 | position. |
|
|
333 | |
|
|
334 | =item $term->scr_overlay_set ($x, $y, $text) |
|
|
335 | |
|
|
336 | Write a string at the given position into the overlay. |
|
|
337 | |
838 | |
338 | =back |
839 | =back |
339 | |
840 | |
340 | =head2 The C<urxvt::timer> Class |
841 | =head2 The C<urxvt::timer> Class |
341 | |
842 | |
342 | This class implements timer watchers/events. Time is represented as a |
843 | This class implements timer watchers/events. Time is represented as a |
343 | fractional number of seconds since the epoch. Example: |
844 | fractional number of seconds since the epoch. Example: |
344 | |
845 | |
345 | # create a digital clock display in upper right corner |
846 | $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0); |
346 | $term->{timer} = urxvt::timer |
847 | $term->{timer} = urxvt::timer |
347 | ->new |
848 | ->new |
348 | ->start (urxvt::NOW) |
849 | ->interval (1) |
349 | ->cb (sub { |
850 | ->cb (sub { |
350 | my ($timer) = @_; |
|
|
351 | my $time = $timer->at; |
|
|
352 | $timer->start ($time + 1); |
|
|
353 | $self->scr_overlay (-1, 0, |
851 | $term->{overlay}->set (0, 0, |
354 | POSIX::strftime "%H:%M:%S", localtime $time); |
852 | sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]); |
355 | }); |
853 | }); |
356 | |
854 | |
357 | =over 4 |
855 | =over 4 |
358 | |
856 | |
359 | =item $timer = new urxvt::timer |
857 | =item $timer = new urxvt::timer |
360 | |
858 | |
361 | Create a new timer object in stopped state. |
859 | Create a new timer object in started state. It is scheduled to fire |
|
|
860 | immediately. |
362 | |
861 | |
363 | =item $timer = $timer->cb (sub { my ($timer) = @_; ... }) |
862 | =item $timer = $timer->cb (sub { my ($timer) = @_; ... }) |
364 | |
863 | |
365 | Set the callback to be called when the timer triggers. |
864 | Set the callback to be called when the timer triggers. |
366 | |
865 | |
… | |
… | |
369 | Return the time this watcher will fire next. |
868 | Return the time this watcher will fire next. |
370 | |
869 | |
371 | =item $timer = $timer->set ($tstamp) |
870 | =item $timer = $timer->set ($tstamp) |
372 | |
871 | |
373 | Set the time the event is generated to $tstamp. |
872 | Set the time the event is generated to $tstamp. |
|
|
873 | |
|
|
874 | =item $timer = $timer->interval ($interval) |
|
|
875 | |
|
|
876 | Normally (and when C<$interval> is C<0>), the timer will automatically |
|
|
877 | stop after it has fired once. If C<$interval> is non-zero, then the timer |
|
|
878 | is automatically rescheduled at the given intervals. |
374 | |
879 | |
375 | =item $timer = $timer->start |
880 | =item $timer = $timer->start |
376 | |
881 | |
377 | Start the timer. |
882 | Start the timer. |
378 | |
883 | |
… | |
… | |
441 | This variable controls the verbosity level of the perl extension. Higher |
946 | This variable controls the verbosity level of the perl extension. Higher |
442 | numbers indicate more verbose output. |
947 | numbers indicate more verbose output. |
443 | |
948 | |
444 | =over 4 |
949 | =over 4 |
445 | |
950 | |
446 | =item 0 - only fatal messages |
951 | =item =0 - only fatal messages |
447 | |
952 | |
448 | =item 3 - script loading and management |
953 | =item =3 - script loading and management |
449 | |
954 | |
450 | =item 10 - all events received |
955 | =item =10 - all events received |
451 | |
956 | |
452 | =back |
957 | =back |
453 | |
958 | |
454 | =head1 AUTHOR |
959 | =head1 AUTHOR |
455 | |
960 | |