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1 | =encoding utf8 |
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2 | |
1 | =head1 NAME |
3 | =head1 NAME |
2 | |
4 | |
3 | rxvtperl - rxvt-unicode's embedded perl interpreter |
5 | @@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter |
4 | |
6 | |
5 | =head1 SYNOPSIS |
7 | =head1 SYNOPSIS |
6 | |
8 | |
7 | * Put your scripts into F<@@RXVT_LIBDIR@@/urxvt/perl-ext/>, they will be loaded automatically. |
9 | # create a file grab_test in $HOME: |
8 | |
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9 | * Scripts are evaluated in a 'use strict' and 'use utf8' environment, and |
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10 | thus must be encoded as UTF-8. |
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11 | |
10 | |
12 | sub on_sel_grab { |
11 | sub on_sel_grab { |
13 | warn "you selected ", $_[0]->selection; |
12 | warn "you selected ", $_[0]->selection; |
14 | () |
13 | () |
15 | } |
14 | } |
16 | |
15 | |
17 | 1 |
16 | # start a @@RXVT_NAME@@ using it: |
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17 | |
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18 | @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test |
18 | |
19 | |
19 | =head1 DESCRIPTION |
20 | =head1 DESCRIPTION |
20 | |
21 | |
21 | On startup, @@RXVT_NAME@@ will scan F<@@RXVT_LIBDIR@@/urxvt/perl-ext/> |
22 | Everytime a terminal object gets created, scripts specified via the |
22 | for files and will load them. Everytime a terminal object gets created, |
23 | C<perl> resource are loaded and associated with it. |
23 | the directory specified by the C<perl-lib> resource will be additionally |
24 | |
24 | scanned. |
25 | Scripts are compiled in a 'use strict' and 'use utf8' environment, and |
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26 | thus must be encoded as UTF-8. |
25 | |
27 | |
26 | Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where |
28 | Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where |
27 | scripts will be shared for all terminals. |
29 | scripts will be shared (but not enabled) for all terminals. |
28 | |
30 | |
29 | Hooks in scripts specified by C<perl-lib> will only be called for the |
31 | =head2 Prepackaged Extensions |
30 | terminals created with that specific option value. |
32 | |
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33 | This section describes the extensiosn delivered with this version. You can |
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34 | find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>. |
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35 | |
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36 | You can activate them like this: |
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37 | |
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38 | @@RXVT_NAME@@ -pe <extensionname> |
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39 | |
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40 | =over 4 |
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41 | |
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42 | =item selection |
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43 | |
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44 | Intelligent selection. This extension tries to be more intelligent when |
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45 | the user extends selections (double-click). Right now, it tries to select |
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46 | urls and complete shell-quoted arguments, which is very convenient, too, |
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47 | if your F<ls> supports C<--quoting-style=shell>. |
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48 | |
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49 | It also offers the following bindable event: |
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50 | |
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51 | =over 4 |
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52 | |
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53 | =item rot13 |
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54 | |
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55 | Rot-13 the selection when activated. Used via keyboard trigger: |
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56 | |
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57 | URxvt.keysym.C-M-r: perl:selection:rot13 |
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58 | |
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59 | =back |
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60 | |
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61 | =item digital-clock |
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62 | |
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63 | Displays a digital clock using the built-in overlay. |
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64 | |
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65 | =item mark-urls |
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66 | |
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67 | Uses per-line 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 |
31 | |
83 | |
32 | =head2 General API Considerations |
84 | =head2 General API Considerations |
33 | |
85 | |
34 | All objects (such as terminals, time watchers etc.) are typical |
86 | All objects (such as terminals, time watchers etc.) are typical |
35 | reference-to-hash objects. The hash can be used to store anything you |
87 | reference-to-hash objects. The hash can be used to store anything you |
36 | like. All members starting with an underscore (such as C<_ptr> or |
88 | like. All members starting with an underscore (such as C<_ptr> or |
37 | C<_hook>) are reserved for internal uses and must not be accessed or |
89 | C<_hook>) are reserved for internal uses and B<MUST NOT> be accessed or |
38 | modified). |
90 | modified). |
39 | |
91 | |
40 | When objects are destroyed on the C++ side, the perl object hashes are |
92 | When objects are destroyed on the C++ side, the perl object hashes are |
41 | emptied, so its best to store related objects such as time watchers and |
93 | emptied, so its best to store related objects such as time watchers and |
42 | the like inside the terminal object so they get destroyed as soon as the |
94 | the like inside the terminal object so they get destroyed as soon as the |
43 | terminal is destroyed. |
95 | terminal is destroyed. |
44 | |
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 | |
45 | =head2 Hooks |
120 | =head2 Hooks |
46 | |
121 | |
47 | 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 |
48 | 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. |
49 | |
130 | |
50 | 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 |
51 | 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, |
52 | 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. |
53 | |
134 | |
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56 | =over 4 |
137 | =over 4 |
57 | |
138 | |
58 | =item on_init $term |
139 | =item on_init $term |
59 | |
140 | |
60 | Called after a new terminal object has been initialized, but before |
141 | Called after a new terminal object has been initialized, but before |
61 | 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. |
62 | |
146 | |
63 | =item on_reset $term |
147 | =item on_reset $term |
64 | |
148 | |
65 | 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 |
66 | 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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86 | 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 |
87 | by calling C<< $term->selection >>. |
171 | by calling C<< $term->selection >>. |
88 | |
172 | |
89 | 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. |
90 | |
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 | |
91 | =item on_focus_in $term |
184 | =item on_focus_in $term |
92 | |
185 | |
93 | Called whenever the window gets the keyboard focus, before urxvt does |
186 | Called whenever the window gets the keyboard focus, before urxvt does |
94 | focus in processing. |
187 | focus in processing. |
95 | |
188 | |
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115 | number of lines that will be in the scrollback buffer. |
208 | number of lines that will be in the scrollback buffer. |
116 | |
209 | |
117 | =item on_tty_activity $term *NYI* |
210 | =item on_tty_activity $term *NYI* |
118 | |
211 | |
119 | 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. |
120 | |
248 | |
121 | =item on_refresh_begin $term |
249 | =item on_refresh_begin $term |
122 | |
250 | |
123 | 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 |
124 | 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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127 | |
255 | |
128 | =item on_refresh_end $term |
256 | =item on_refresh_end $term |
129 | |
257 | |
130 | 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>. |
131 | |
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 | =back |
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267 | |
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268 | =head2 Variables in the C<urxvt> Package |
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269 | |
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270 | =over 4 |
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271 | |
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272 | =item $urxvt::TERM |
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273 | |
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274 | The current terminal. Whenever a callback/Hook is bein executed, this |
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275 | variable stores the current C<urxvt::term> object. |
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276 | |
132 | =back |
277 | =back |
133 | |
278 | |
134 | =head2 Functions in the C<urxvt> Package |
279 | =head2 Functions in the C<urxvt> Package |
135 | |
280 | |
136 | =over 4 |
281 | =over 4 |
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282 | |
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283 | =item $term = new urxvt [arg...] |
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284 | |
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285 | Creates a new terminal, very similar as if you had started it with |
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286 | C<system $binfile, arg...>. Croaks (and probably outputs an error message) |
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287 | if the new instance couldn't be created. Returns C<undef> if the new |
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288 | instance didn't initialise perl, and the terminal object otherwise. The |
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289 | C<init> and C<start> hooks will be called during the call. |
137 | |
290 | |
138 | =item urxvt::fatal $errormessage |
291 | =item urxvt::fatal $errormessage |
139 | |
292 | |
140 | Fatally aborts execution with the given error message. Avoid at all |
293 | Fatally aborts execution with the given error message. Avoid at all |
141 | costs! The only time this is acceptable is when the terminal process |
294 | costs! The only time this is acceptable is when the terminal process |
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152 | |
305 | |
153 | =item $time = urxvt::NOW |
306 | =item $time = urxvt::NOW |
154 | |
307 | |
155 | Returns the "current time" (as per the event loop). |
308 | Returns the "current time" (as per the event loop). |
156 | |
309 | |
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310 | =back |
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311 | |
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312 | =head2 RENDITION |
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313 | |
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314 | Rendition bitsets contain information about colour, font, font styles and |
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315 | similar information for each screen cell. |
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316 | |
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317 | The following "macros" deal with changes in rendition sets. You should |
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318 | never just create a bitset, you should always modify an existing one, |
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319 | as they contain important information required for correct operation of |
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320 | rxvt-unicode. |
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321 | |
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322 | =over 4 |
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323 | |
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324 | =item $rend = urxvt::DEFAULT_RSTYLE |
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325 | |
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326 | Returns the default rendition, as used when the terminal is starting up or |
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327 | being reset. Useful as a base to start when creating renditions. |
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328 | |
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329 | =item $rend = urxvt::OVERLAY_RSTYLE |
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330 | |
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331 | Return the rendition mask used for overlays by default. |
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332 | |
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333 | =item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline |
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334 | |
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335 | Return the bit that enabled bold, italic, blink, reverse-video and |
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336 | underline, respectively. To enable such a style, just logically OR it into |
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337 | the bitset. |
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338 | |
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339 | =item $foreground = urxvt::GET_BASEFG $rend |
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340 | |
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341 | =item $background = urxvt::GET_BASEBG $rend |
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342 | |
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343 | Return the foreground/background colour index, respectively. |
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344 | |
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345 | =item $rend = urxvt::SET_FGCOLOR ($rend, $new_colour) |
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346 | |
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347 | =item $rend = urxvt::SET_BGCOLOR ($rend, $new_colour) |
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348 | |
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349 | Replace the foreground/background colour in the rendition mask with the |
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350 | specified one. |
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351 | |
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352 | =item $value = urxvt::GET_CUSTOM ($rend) |
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353 | |
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354 | Return the "custom" value: Every rendition has 5 bits for use by |
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355 | extensions. They can be set and changed as you like and are initially |
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356 | zero. |
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357 | |
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358 | =item $rend = urxvt::SET_CUSTOM ($rend, $new_value) |
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359 | |
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360 | Change the custom value. |
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361 | |
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362 | =back |
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363 | |
157 | =cut |
364 | =cut |
158 | |
365 | |
159 | package urxvt; |
366 | package urxvt; |
160 | |
367 | |
161 | use strict; |
368 | use strict; |
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369 | use Scalar::Util (); |
162 | |
370 | |
163 | our $term; |
371 | our $TERM; |
164 | our @HOOKNAME; |
372 | our @HOOKNAME; |
165 | our $LIBDIR; |
373 | our $LIBDIR; |
166 | |
374 | |
167 | BEGIN { |
375 | BEGIN { |
168 | urxvt->bootstrap; |
376 | urxvt->bootstrap; |
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174 | unless $msg =~ /\n$/; |
382 | unless $msg =~ /\n$/; |
175 | urxvt::warn ($msg); |
383 | urxvt::warn ($msg); |
176 | }; |
384 | }; |
177 | } |
385 | } |
178 | |
386 | |
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387 | my @hook_count; |
179 | my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; |
388 | my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; |
180 | |
389 | |
181 | sub verbose { |
390 | sub verbose { |
182 | my ($level, $msg) = @_; |
391 | my ($level, $msg) = @_; |
183 | warn "$msg\n" if $level < $verbosity; |
392 | warn "$msg\n" if $level <= $verbosity; |
184 | } |
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185 | |
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186 | my %hook_global; |
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187 | my @hook_count; |
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188 | |
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189 | # called by the rxvt core |
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190 | sub invoke { |
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191 | local $term = shift; |
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192 | my $htype = shift; |
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193 | |
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194 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $term, @_) . ")" |
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195 | if $verbosity >= 10; |
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196 | |
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197 | for my $cb ($hook_global{_hook}[$htype], $term->{_hook}[$htype]) { |
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198 | $cb or next; |
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199 | |
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200 | while (my ($k, $v) = each %$cb) { |
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201 | return 1 if $v->($term, @_); |
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202 | } |
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203 | } |
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204 | |
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205 | 0 |
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206 | } |
393 | } |
207 | |
394 | |
208 | # find on_xxx subs in the package and register them |
395 | # find on_xxx subs in the package and register them |
209 | # as hooks |
396 | # as hooks |
210 | sub register_package($) { |
397 | sub register_package($) { |
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214 | my $name = $HOOKNAME[$htype]; |
401 | my $name = $HOOKNAME[$htype]; |
215 | |
402 | |
216 | my $ref = $pkg->can ("on_" . lc $name) |
403 | my $ref = $pkg->can ("on_" . lc $name) |
217 | or next; |
404 | or next; |
218 | |
405 | |
219 | $term->{_hook}[$htype]{$ref*1} = $ref; |
406 | $TERM->{_hook}[$htype]{$pkg} = $ref; |
220 | $hook_count[$htype]++ |
407 | $hook_count[$htype]++ |
221 | or set_should_invoke $htype, 1; |
408 | or set_should_invoke $htype, 1; |
222 | } |
409 | } |
223 | } |
410 | } |
224 | |
411 | |
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228 | # load a single script into its own package, once only |
415 | # load a single script into its own package, once only |
229 | sub script_package($) { |
416 | sub script_package($) { |
230 | my ($path) = @_; |
417 | my ($path) = @_; |
231 | |
418 | |
232 | $script_pkg{$path} ||= do { |
419 | $script_pkg{$path} ||= do { |
233 | my $pkg = $script_pkg++; |
420 | my $pkg = "urxvt::" . ($script_pkg++); |
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421 | |
234 | verbose 3, "loading script '$path' into package '$pkg'"; |
422 | verbose 3, "loading script '$path' into package '$pkg'"; |
235 | |
423 | |
236 | open my $fh, "<:raw", $path |
424 | open my $fh, "<:raw", $path |
237 | or die "$path: $!"; |
425 | or die "$path: $!"; |
238 | |
426 | |
239 | eval "package $pkg; use strict; use utf8;\n" |
427 | my $source = "package $pkg; use strict; use utf8;\n" |
240 | . "#line 1 \"$path\"\n" |
428 | . "#line 1 \"$path\"\n{\n" |
241 | . do { local $/; <$fh> } |
429 | . (do { local $/; <$fh> }) |
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430 | . "\n};\n1"; |
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431 | |
242 | or die "$path: $@"; |
432 | eval $source or die "$path: $@"; |
243 | |
433 | |
244 | $pkg |
434 | $pkg |
245 | } |
435 | } |
246 | } |
436 | } |
247 | |
437 | |
248 | sub load_scripts($) { |
438 | our $retval; # return value for urxvt |
249 | my ($dir) = @_; |
|
|
250 | |
439 | |
251 | verbose 3, "loading scripts from '$dir'"; |
440 | # called by the rxvt core |
|
|
441 | sub invoke { |
|
|
442 | local $TERM = shift; |
|
|
443 | my $htype = shift; |
252 | |
444 | |
|
|
445 | if ($htype == 0) { # INIT |
|
|
446 | my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl"); |
|
|
447 | |
|
|
448 | for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) { |
|
|
449 | my @files = grep -f $_, map "$_/$ext", @dirs; |
|
|
450 | |
|
|
451 | if (@files) { |
253 | register_package script_package $_ |
452 | register_package script_package $files[0]; |
254 | for grep -f $_, |
453 | } else { |
255 | <$dir/*>; |
454 | warn "perl extension '$ext' not found in perl library search path\n"; |
256 | } |
455 | } |
257 | |
456 | } |
258 | sub on_init { |
|
|
259 | my ($term) = @_; |
|
|
260 | |
|
|
261 | my $libdir = $term->resource ("perl_lib"); |
|
|
262 | |
|
|
263 | load_scripts $libdir |
|
|
264 | if defined $libdir; |
|
|
265 | } |
|
|
266 | |
|
|
267 | sub on_destroy { |
|
|
268 | my ($term) = @_; |
|
|
269 | |
|
|
270 | my $hook = $term->{_hook} |
|
|
271 | or return; |
|
|
272 | |
|
|
273 | for my $htype (0..$#$hook) { |
|
|
274 | $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } |
|
|
275 | or set_should_invoke $htype, 0; |
|
|
276 | } |
457 | } |
277 | } |
|
|
278 | |
458 | |
279 | { |
459 | $retval = undef; |
280 | local $term = \%hook_global; |
|
|
281 | |
460 | |
282 | register_package __PACKAGE__; |
461 | if (my $cb = $TERM->{_hook}[$htype]) { |
283 | load_scripts "$LIBDIR/perl-ext"; |
462 | verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")" |
284 | } |
463 | if $verbosity >= 10; |
285 | |
464 | |
286 | =back |
465 | keys %$cb; |
|
|
466 | |
|
|
467 | while (my ($pkg, $cb) = each %$cb) { |
|
|
468 | $retval = $cb->( |
|
|
469 | $TERM->{_pkg}{$pkg} ||= do { |
|
|
470 | my $proxy = bless { }, urxvt::term::proxy::; |
|
|
471 | Scalar::Util::weaken ($proxy->{term} = $TERM); |
|
|
472 | $proxy |
|
|
473 | }, |
|
|
474 | @_, |
|
|
475 | ) and last; |
|
|
476 | } |
|
|
477 | } |
|
|
478 | |
|
|
479 | if ($htype == 1) { # DESTROY |
|
|
480 | # remove hooks if unused |
|
|
481 | if (my $hook = $TERM->{_hook}) { |
|
|
482 | for my $htype (0..$#$hook) { |
|
|
483 | $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } |
|
|
484 | or set_should_invoke $htype, 0; |
|
|
485 | } |
|
|
486 | } |
|
|
487 | |
|
|
488 | # clear package objects |
|
|
489 | %$_ = () for values %{ $TERM->{_pkg} }; |
|
|
490 | |
|
|
491 | # clear package |
|
|
492 | %$TERM = (); |
|
|
493 | } |
|
|
494 | |
|
|
495 | $retval |
|
|
496 | } |
|
|
497 | |
|
|
498 | sub urxvt::term::proxy::AUTOLOAD { |
|
|
499 | $urxvt::term::proxy::AUTOLOAD =~ /:([^:]+)$/ |
|
|
500 | or die "FATAL: \$AUTOLOAD '$urxvt::term::proxy::AUTOLOAD' unparsable"; |
|
|
501 | |
|
|
502 | eval qq{ |
|
|
503 | sub $urxvt::term::proxy::AUTOLOAD { |
|
|
504 | my \$proxy = shift; |
|
|
505 | \$proxy->{term}->$1 (\@_) |
|
|
506 | } |
|
|
507 | 1 |
|
|
508 | } or die "FATAL: unable to compile method forwarder: $@"; |
|
|
509 | |
|
|
510 | goto &$urxvt::term::proxy::AUTOLOAD; |
|
|
511 | } |
287 | |
512 | |
288 | =head2 The C<urxvt::term> Class |
513 | =head2 The C<urxvt::term> Class |
289 | |
514 | |
290 | =over 4 |
515 | =over 4 |
|
|
516 | |
|
|
517 | =item $term->destroy |
|
|
518 | |
|
|
519 | Destroy the terminal object (close the window, free resources etc.). |
291 | |
520 | |
292 | =item $value = $term->resource ($name[, $newval]) |
521 | =item $value = $term->resource ($name[, $newval]) |
293 | |
522 | |
294 | Returns the current resource value associated with a given name and |
523 | Returns the current resource value associated with a given name and |
295 | optionally sets a new value. Setting values is most useful in the C<init> |
524 | optionally sets a new value. Setting values is most useful in the C<init> |
… | |
… | |
312 | |
541 | |
313 | answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont |
542 | answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont |
314 | borderLess color cursorBlink cursorUnderline cutchars delete_key |
543 | borderLess color cursorBlink cursorUnderline cutchars delete_key |
315 | display_name embed ext_bwidth fade font geometry hold iconName |
544 | display_name embed ext_bwidth fade font geometry hold iconName |
316 | imFont imLocale inputMethod insecure int_bwidth intensityStyles |
545 | imFont imLocale inputMethod insecure int_bwidth intensityStyles |
317 | italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 |
546 | italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier |
318 | modifier mouseWheelScrollPage name pastableTabs path perl perl_eval |
547 | mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 |
319 | perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd |
548 | perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd |
320 | reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating |
549 | reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating |
321 | scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput |
550 | scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput |
322 | scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle |
551 | scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle |
323 | shade term_name title transparent transparent_all tripleclickwords |
552 | shade term_name title transparent transparent_all tripleclickwords |
… | |
… | |
329 | my ($self, $name) = (shift, shift); |
558 | my ($self, $name) = (shift, shift); |
330 | unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); |
559 | unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0); |
331 | goto &urxvt::term::_resource; |
560 | goto &urxvt::term::_resource; |
332 | } |
561 | } |
333 | |
562 | |
|
|
563 | =item $rend = $term->rstyle ([$new_rstyle]) |
|
|
564 | |
|
|
565 | Return and optionally change the current rendition. Text that is output by |
|
|
566 | the terminal application will use this style. |
|
|
567 | |
|
|
568 | =item ($row, $col) = $term->screen_cur ([$row, $col]) |
|
|
569 | |
|
|
570 | Return the current coordinates of the text cursor position and optionally |
|
|
571 | set it (which is usually bad as applications don't expect that). |
|
|
572 | |
334 | =item ($row, $col) = $term->selection_mark ([$row, $col]) |
573 | =item ($row, $col) = $term->selection_mark ([$row, $col]) |
335 | |
574 | |
336 | =item ($row, $col) = $term->selection_beg ([$row, $col]) |
575 | =item ($row, $col) = $term->selection_beg ([$row, $col]) |
337 | |
576 | |
338 | =item ($row, $col) = $term->selection_end ([$row, $col]) |
577 | =item ($row, $col) = $term->selection_end ([$row, $col]) |
… | |
… | |
347 | |
586 | |
348 | =item $oldtext = $term->selection ([$newtext]) |
587 | =item $oldtext = $term->selection ([$newtext]) |
349 | |
588 | |
350 | Return the current selection text and optionally replace it by C<$newtext>. |
589 | Return the current selection text and optionally replace it by C<$newtext>. |
351 | |
590 | |
352 | =item $term->scr_overlay ($x, $y, $text) |
591 | #=item $term->overlay ($x, $y, $text) |
353 | |
592 | # |
354 | Create a simple multi-line overlay box. See the next method for details. |
593 | #Create a simple multi-line overlay box. See the next method for details. |
355 | |
594 | # |
356 | =cut |
595 | #=cut |
357 | |
596 | # |
358 | sub urxvt::term::scr_overlay { |
597 | #sub urxvt::term::scr_overlay { |
359 | my ($self, $x, $y, $text) = @_; |
598 | # my ($self, $x, $y, $text) = @_; |
360 | |
599 | # |
361 | my @lines = split /\n/, $text; |
600 | # my @lines = split /\n/, $text; |
362 | |
601 | # |
363 | my $w = 0; |
602 | # my $w = 0; |
364 | for (map $self->strwidth ($_), @lines) { |
603 | # for (map $self->strwidth ($_), @lines) { |
365 | $w = $_ if $w < $_; |
604 | # $w = $_ if $w < $_; |
366 | } |
605 | # } |
367 | |
606 | # |
368 | $self->scr_overlay_new ($x, $y, $w, scalar @lines); |
607 | # $self->scr_overlay_new ($x, $y, $w, scalar @lines); |
369 | $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; |
608 | # $self->scr_overlay_set (0, $_, $lines[$_]) for 0.. $#lines; |
370 | } |
609 | #} |
371 | |
610 | |
372 | =item $term->scr_overlay_new ($x, $y, $width, $height) |
611 | =item $term->overlay ($x, $y, $width, $height[, $rstyle[, $border]]) |
373 | |
612 | |
374 | Create a new (empty) overlay at the given position with the given |
613 | Create a new (empty) overlay at the given position with the given |
375 | width/height. A border will be put around the box. If either C<$x> or |
614 | width/height. C<$rstyle> defines the initial rendition style |
376 | C<$y> is negative, then this is counted from the right/bottom side, |
615 | (default: C<OVERLAY_RSTYLE>). |
377 | respectively. |
|
|
378 | |
616 | |
379 | =item $term->scr_overlay_off |
617 | If C<$border> is C<2> (default), then a decorative border will be put |
|
|
618 | around the box. |
380 | |
619 | |
381 | Switch the overlay off again. |
620 | If either C<$x> or C<$y> is negative, then this is counted from the |
|
|
621 | right/bottom side, respectively. |
382 | |
622 | |
383 | =item $term->scr_overlay_set_char ($x, $y, $char, $rend = OVERLAY_RSTYLE) |
623 | This method returns an urxvt::overlay object. The overlay will be visible |
|
|
624 | as long as the perl object is referenced. |
384 | |
625 | |
385 | Put a single character (specified numerically) at the given overlay |
626 | The methods currently supported on C<urxvt::overlay> objects are: |
386 | position. |
|
|
387 | |
627 | |
|
|
628 | =over 4 |
|
|
629 | |
388 | =item $term->scr_overlay_set ($x, $y, $text) |
630 | =item $overlay->set ($x, $y, $text, $rend) |
389 | |
631 | |
390 | Write a string at the given position into the overlay. |
632 | Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts |
|
|
633 | text in rxvt-unicode's special encoding and an array of rendition values |
|
|
634 | at a specific position inside the overlay. |
|
|
635 | |
|
|
636 | =item $overlay->hide |
|
|
637 | |
|
|
638 | If visible, hide the overlay, but do not destroy it. |
|
|
639 | |
|
|
640 | =item $overlay->show |
|
|
641 | |
|
|
642 | If hidden, display the overlay again. |
|
|
643 | |
|
|
644 | =back |
391 | |
645 | |
392 | =item $cellwidth = $term->strwidth $string |
646 | =item $cellwidth = $term->strwidth $string |
393 | |
647 | |
394 | Returns the number of screen-cells this string would need. Correctly |
648 | Returns the number of screen-cells this string would need. Correctly |
395 | accounts for wide and combining characters. |
649 | accounts for wide and combining characters. |
… | |
… | |
400 | |
654 | |
401 | =item $string = $term->locale_decode $octets |
655 | =item $string = $term->locale_decode $octets |
402 | |
656 | |
403 | Convert the given locale-encoded octets into a perl string. |
657 | Convert the given locale-encoded octets into a perl string. |
404 | |
658 | |
|
|
659 | =item $term->scr_add_lines ($string) |
|
|
660 | |
|
|
661 | Write the given text string to the screen, as if output by the application |
|
|
662 | running inside the terminal. It may not contain command sequences (escape |
|
|
663 | codes), but is free to use line feeds, carriage returns and tabs. The |
|
|
664 | string is a normal text string, not in locale-dependent encoding. |
|
|
665 | |
|
|
666 | Normally its not a good idea to use this function, as programs might be |
|
|
667 | confused by changes in cursor position or scrolling. Its useful inside a |
|
|
668 | C<on_add_lines> hook, though. |
|
|
669 | |
|
|
670 | =item $term->cmd_parse ($octets) |
|
|
671 | |
|
|
672 | Similar to C<scr_add_lines>, but the argument must be in the |
|
|
673 | locale-specific encoding of the terminal and can contain command sequences |
|
|
674 | (escape codes) that will be interpreted. |
|
|
675 | |
405 | =item $term->tt_write ($octets) |
676 | =item $term->tt_write ($octets) |
406 | |
677 | |
407 | Write the octets given in C<$data> to the tty (i.e. as program input). To |
678 | Write the octets given in C<$data> to the tty (i.e. as program input). To |
408 | pass characters instead of octets, you should convetr you strings first to |
679 | pass characters instead of octets, you should convert your strings first |
409 | the locale-specific encoding using C<< $term->locale_encode >>. |
680 | to the locale-specific encoding using C<< $term->locale_encode >>. |
|
|
681 | |
|
|
682 | =item $window_width = $term->width |
|
|
683 | |
|
|
684 | =item $window_height = $term->height |
|
|
685 | |
|
|
686 | =item $font_width = $term->fwidth |
|
|
687 | |
|
|
688 | =item $font_height = $term->fheight |
|
|
689 | |
|
|
690 | =item $font_ascent = $term->fbase |
|
|
691 | |
|
|
692 | =item $terminal_rows = $term->nrow |
|
|
693 | |
|
|
694 | =item $terminal_columns = $term->ncol |
|
|
695 | |
|
|
696 | =item $has_focus = $term->focus |
|
|
697 | |
|
|
698 | =item $is_mapped = $term->mapped |
|
|
699 | |
|
|
700 | =item $max_scrollback = $term->saveLines |
|
|
701 | |
|
|
702 | =item $nrow_plus_saveLines = $term->total_rows |
|
|
703 | |
|
|
704 | =item $lines_in_scrollback = $term->nsaved |
|
|
705 | |
|
|
706 | Return various integers describing terminal characteristics. |
|
|
707 | |
|
|
708 | =item $view_start = $term->view_start ([$newvalue]) |
|
|
709 | |
|
|
710 | Returns the negative row number of the topmost line. Minimum value is |
|
|
711 | C<0>, which displays the normal terminal contents. Larger values scroll |
|
|
712 | this many lines into the scrollback buffer. |
|
|
713 | |
|
|
714 | =item $term->want_refresh |
|
|
715 | |
|
|
716 | Requests a screen refresh. At the next opportunity, rxvt-unicode will |
|
|
717 | compare the on-screen display with its stored representation. If they |
|
|
718 | differ, it redraws the differences. |
|
|
719 | |
|
|
720 | Used after changing terminal contents to display them. |
|
|
721 | |
|
|
722 | =item $text = $term->ROW_t ($row_number[, $new_text[, $start_col]]) |
|
|
723 | |
|
|
724 | Returns the text of the entire row with number C<$row_number>. Row C<0> |
|
|
725 | is the topmost terminal line, row C<< $term->$ncol-1 >> is the bottommost |
|
|
726 | terminal line. The scrollback buffer starts at line C<-1> and extends to |
|
|
727 | line C<< -$term->nsaved >>. Nothing will be returned if a nonexistent line |
|
|
728 | is requested. |
|
|
729 | |
|
|
730 | If C<$new_text> is specified, it will replace characters in the current |
|
|
731 | line, starting at column C<$start_col> (default C<0>), which is useful |
|
|
732 | to replace only parts of a line. The font index in the rendition will |
|
|
733 | automatically be updated. |
|
|
734 | |
|
|
735 | C<$text> is in a special encoding: tabs and wide characters that use more |
|
|
736 | than one cell when displayed are padded with urxvt::NOCHAR characters |
|
|
737 | (C<chr 65535>). Characters with combining characters and other characters |
|
|
738 | that do not fit into the normal tetx encoding will be replaced with |
|
|
739 | characters in the private use area. |
|
|
740 | |
|
|
741 | You have to obey this encoding when changing text. The advantage is |
|
|
742 | that C<substr> and similar functions work on screen cells and not on |
|
|
743 | characters. |
|
|
744 | |
|
|
745 | The methods C<< $term->special_encode >> and C<< $term->special_decode >> |
|
|
746 | can be used to convert normal strings into this encoding and vice versa. |
|
|
747 | |
|
|
748 | =item $rend = $term->ROW_r ($row_number[, $new_rend[, $start_col]]) |
|
|
749 | |
|
|
750 | Like C<< $term->ROW_t >>, but returns an arrayref with rendition |
|
|
751 | bitsets. Rendition bitsets contain information about colour, font, font |
|
|
752 | styles and similar information. See also C<< $term->ROW_t >>. |
|
|
753 | |
|
|
754 | When setting rendition, the font mask will be ignored. |
|
|
755 | |
|
|
756 | See the section on RENDITION, above. |
|
|
757 | |
|
|
758 | =item $length = $term->ROW_l ($row_number[, $new_length]) |
|
|
759 | |
|
|
760 | Returns the number of screen cells that are in use ("the line |
|
|
761 | length"). Unlike the urxvt core, this returns C<< $term->ncol >> if the |
|
|
762 | line is joined with the following one. |
|
|
763 | |
|
|
764 | =item $bool = $term->is_longer ($row_number) |
|
|
765 | |
|
|
766 | Returns true if the row is part of a multiple-row logical "line" (i.e. |
|
|
767 | joined with the following row), which means all characters are in use |
|
|
768 | and it is continued on the next row (and possibly a continuation of the |
|
|
769 | previous row(s)). |
|
|
770 | |
|
|
771 | =item $line = $term->line ($row_number) |
|
|
772 | |
|
|
773 | Create and return a new C<urxvt::line> object that stores information |
|
|
774 | about the logical line that row C<$row_number> is part of. It supports the |
|
|
775 | following methods: |
|
|
776 | |
|
|
777 | =over 4 |
|
|
778 | |
|
|
779 | =item $text = $line->t ([$new_text]) |
|
|
780 | |
|
|
781 | Returns or replaces the full text of the line, similar to C<ROW_t> |
|
|
782 | |
|
|
783 | =item $rend = $line->r ([$new_rend]) |
|
|
784 | |
|
|
785 | Returns or replaces the full rendition array of the line, similar to C<ROW_r> |
|
|
786 | |
|
|
787 | =item $length = $line->l |
|
|
788 | |
|
|
789 | Returns the length of the line in cells, similar to C<ROW_l>. |
|
|
790 | |
|
|
791 | =item $rownum = $line->beg |
|
|
792 | |
|
|
793 | =item $rownum = $line->end |
|
|
794 | |
|
|
795 | Return the row number of the first/last row of the line, respectively. |
|
|
796 | |
|
|
797 | =item $offset = $line->offset_of ($row, $col) |
|
|
798 | |
|
|
799 | Returns the character offset of the given row|col pair within the logical |
|
|
800 | line. |
|
|
801 | |
|
|
802 | =item ($row, $col) = $line->coord_of ($offset) |
|
|
803 | |
|
|
804 | Translates a string offset into terminal coordinates again. |
|
|
805 | |
|
|
806 | =back |
|
|
807 | |
|
|
808 | =cut |
|
|
809 | |
|
|
810 | sub urxvt::term::line { |
|
|
811 | my ($self, $row) = @_; |
|
|
812 | |
|
|
813 | my $maxrow = $self->nrow - 1; |
|
|
814 | |
|
|
815 | my ($beg, $end) = ($row, $row); |
|
|
816 | |
|
|
817 | --$beg while $self->ROW_is_longer ($beg - 1); |
|
|
818 | ++$end while $self->ROW_is_longer ($end) && $end < $maxrow; |
|
|
819 | |
|
|
820 | bless { |
|
|
821 | term => $self, |
|
|
822 | beg => $beg, |
|
|
823 | end => $end, |
|
|
824 | ncol => $self->ncol, |
|
|
825 | len => ($end - $beg) * $self->ncol + $self->ROW_l ($end), |
|
|
826 | }, urxvt::line:: |
|
|
827 | } |
|
|
828 | |
|
|
829 | sub urxvt::line::t { |
|
|
830 | my ($self) = @_; |
|
|
831 | |
|
|
832 | if (@_ > 1) |
|
|
833 | { |
|
|
834 | $self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) |
|
|
835 | for $self->{beg} .. $self->{end}; |
|
|
836 | } |
|
|
837 | |
|
|
838 | defined wantarray && |
|
|
839 | substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}), |
|
|
840 | 0, $self->{len} |
|
|
841 | } |
|
|
842 | |
|
|
843 | sub urxvt::line::r { |
|
|
844 | my ($self) = @_; |
|
|
845 | |
|
|
846 | if (@_ > 1) |
|
|
847 | { |
|
|
848 | $self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol}) |
|
|
849 | for $self->{beg} .. $self->{end}; |
|
|
850 | } |
|
|
851 | |
|
|
852 | if (defined wantarray) { |
|
|
853 | my $rend = [ |
|
|
854 | map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end} |
|
|
855 | ]; |
|
|
856 | $#$rend = $self->{len} - 1; |
|
|
857 | return $rend; |
|
|
858 | } |
|
|
859 | |
|
|
860 | () |
|
|
861 | } |
|
|
862 | |
|
|
863 | sub urxvt::line::beg { $_[0]{beg} } |
|
|
864 | sub urxvt::line::end { $_[0]{end} } |
|
|
865 | sub urxvt::line::l { $_[0]{len} } |
|
|
866 | |
|
|
867 | sub urxvt::line::offset_of { |
|
|
868 | my ($self, $row, $col) = @_; |
|
|
869 | |
|
|
870 | ($row - $self->{beg}) * $self->{ncol} + $col |
|
|
871 | } |
|
|
872 | |
|
|
873 | sub urxvt::line::coord_of { |
|
|
874 | my ($self, $offset) = @_; |
|
|
875 | |
|
|
876 | use integer; |
|
|
877 | |
|
|
878 | ( |
|
|
879 | $offset / $self->{ncol} + $self->{beg}, |
|
|
880 | $offset % $self->{ncol} |
|
|
881 | ) |
|
|
882 | } |
|
|
883 | |
|
|
884 | =item ($row, $col) = $line->coord_of ($offset) |
|
|
885 | =item $text = $term->special_encode $string |
|
|
886 | |
|
|
887 | Converts a perl string into the special encoding used by rxvt-unicode, |
|
|
888 | where one character corresponds to one screen cell. See |
|
|
889 | C<< $term->ROW_t >> for details. |
|
|
890 | |
|
|
891 | =item $string = $term->special_decode $text |
|
|
892 | |
|
|
893 | Converts rxvt-unicodes text reprsentation into a perl string. See |
|
|
894 | C<< $term->ROW_t >> for details. |
410 | |
895 | |
411 | =back |
896 | =back |
412 | |
897 | |
413 | =head2 The C<urxvt::timer> Class |
898 | =head2 The C<urxvt::timer> Class |
414 | |
899 | |
415 | This class implements timer watchers/events. Time is represented as a |
900 | This class implements timer watchers/events. Time is represented as a |
416 | fractional number of seconds since the epoch. Example: |
901 | fractional number of seconds since the epoch. Example: |
417 | |
902 | |
418 | # create a digital clock display in upper right corner |
903 | $term->{overlay} = $term->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0); |
419 | $term->{timer} = urxvt::timer |
904 | $term->{timer} = urxvt::timer |
420 | ->new |
905 | ->new |
421 | ->start (urxvt::NOW) |
906 | ->interval (1) |
422 | ->cb (sub { |
907 | ->cb (sub { |
423 | my ($timer) = @_; |
|
|
424 | my $time = $timer->at; |
|
|
425 | $timer->start ($time + 1); |
|
|
426 | $self->scr_overlay (-1, 0, |
908 | $term->{overlay}->set (0, 0, |
427 | POSIX::strftime "%H:%M:%S", localtime $time); |
909 | sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]); |
428 | }); |
910 | }); |
429 | |
911 | |
430 | =over 4 |
912 | =over 4 |
431 | |
913 | |
432 | =item $timer = new urxvt::timer |
914 | =item $timer = new urxvt::timer |
433 | |
915 | |
434 | Create a new timer object in stopped state. |
916 | Create a new timer object in started state. It is scheduled to fire |
|
|
917 | immediately. |
435 | |
918 | |
436 | =item $timer = $timer->cb (sub { my ($timer) = @_; ... }) |
919 | =item $timer = $timer->cb (sub { my ($timer) = @_; ... }) |
437 | |
920 | |
438 | Set the callback to be called when the timer triggers. |
921 | Set the callback to be called when the timer triggers. |
439 | |
922 | |
… | |
… | |
442 | Return the time this watcher will fire next. |
925 | Return the time this watcher will fire next. |
443 | |
926 | |
444 | =item $timer = $timer->set ($tstamp) |
927 | =item $timer = $timer->set ($tstamp) |
445 | |
928 | |
446 | Set the time the event is generated to $tstamp. |
929 | Set the time the event is generated to $tstamp. |
|
|
930 | |
|
|
931 | =item $timer = $timer->interval ($interval) |
|
|
932 | |
|
|
933 | Normally (and when C<$interval> is C<0>), the timer will automatically |
|
|
934 | stop after it has fired once. If C<$interval> is non-zero, then the timer |
|
|
935 | is automatically rescheduled at the given intervals. |
447 | |
936 | |
448 | =item $timer = $timer->start |
937 | =item $timer = $timer->start |
449 | |
938 | |
450 | Start the timer. |
939 | Start the timer. |
451 | |
940 | |
… | |
… | |
514 | This variable controls the verbosity level of the perl extension. Higher |
1003 | This variable controls the verbosity level of the perl extension. Higher |
515 | numbers indicate more verbose output. |
1004 | numbers indicate more verbose output. |
516 | |
1005 | |
517 | =over 4 |
1006 | =over 4 |
518 | |
1007 | |
519 | =item 0 - only fatal messages |
1008 | =item =0 - only fatal messages |
520 | |
1009 | |
521 | =item 3 - script loading and management |
1010 | =item =3 - script loading and management |
522 | |
1011 | |
523 | =item 10 - all events received |
1012 | =item =10 - all events received |
524 | |
1013 | |
525 | =back |
1014 | =back |
526 | |
1015 | |
527 | =head1 AUTHOR |
1016 | =head1 AUTHOR |
528 | |
1017 | |