2 * (C) Copyright 2004-2007 Shawn Betts
3 * (C) Copyright 2007-2009 John J. Foerch
4 * (C) Copyright 2007-2008 Jeremy Maitin-Shepard
6 * Use, modification, and distribution are subject to the terms specified in the
10 function define_builtin_commands (prefix, do_command_function, toggle_mark, mark_active_predicate, mode) {
12 // Specify a docstring
13 function D (cmd, docstring) {
14 var o = new String(cmd);
19 // Specify a forward/reverse pair
22 o.is_reverse_pair = true;
26 // Specify a movement/select/scroll/move-caret command group.
27 function S (command, movement, select, scroll, caret) {
28 var o = [movement, select, scroll, caret];
30 o.is_move_select_pair = true;
34 var builtin_commands = [
37 * cmd_scrollBeginLine and cmd_scrollEndLine don't do what I
38 * want, either in or out of caret mode...
40 S(D("beginning-of-line", "Move or extend the selection to the beginning of the current line."),
41 D("cmd_beginLine", "Move point to the beginning of the current line."),
42 D("cmd_selectBeginLine", "Extend selection to the beginning of the current line."),
43 D("cmd_beginLine", "Scroll to the beginning of the line"),
44 D("cmd_beginLine", "Scroll to the beginning of the line")),
45 S(D("end-of-line", "Move or extend the selection to the end of the current line."),
46 D("cmd_endLine", "Move point to the end of the current line."),
47 D("cmd_selectEndLine", "Extend selection to the end of the current line."),
48 D("cmd_endLine", "Scroll to the end of the current line."),
49 D("cmd_endLine", "Scroll to the end of the current line.")),
50 S(D("beginning-of-first-line", "Move or extend the selection to the beginning of the first line."),
51 D("cmd_moveTop", "Move point to the beginning of the first line."),
52 D("cmd_selectTop", "Extend selection to the beginning of the first line."),
53 D("cmd_scrollTop", "Scroll to the top of the buffer"),
54 D("cmd_scrollTop", "Move point to the beginning of the first line.")),
55 S(D("end-of-last-line", "Move or extend the selection to the end of the last line."),
56 D("cmd_moveBottom", "Move point to the end of the last line."),
57 D("cmd_selectBottom", "Extend selection to the end of the last line."),
58 D("cmd_scrollBottom", "Scroll to the bottom of the buffer"),
59 D("cmd_scrollBottom", "Move point to the end of the last line.")),
61 "cmd_scrollBeginLine",
64 D("cmd_copy", "Copy the selection into the clipboard."),
65 D("cmd_cut", "Cut the selection into the clipboard."),
66 D("cmd_deleteToBeginningOfLine", "Delete to the beginning of the current line."),
67 D("cmd_deleteToEndOfLine", "Delete to the end of the current line."),
68 D("cmd_selectAll", "Select all."),
69 D("cmd_scrollTop", "Scroll to the top of the buffer."),
70 D("cmd_scrollBottom", "Scroll to the bottom of the buffer.")];
72 var builtin_commands_with_count = [
73 R(S(D("forward-char", "Move or extend the selection forward one character."),
74 D("cmd_charNext", "Move point forward one character."),
75 D("cmd_selectCharNext", "Extend selection forward one character."),
76 D("cmd_scrollRight", "Scroll to the right"),
77 D("cmd_scrollRight", "Scroll to the right")),
78 S(D("backward-char", "Move or extend the selection backward one character."),
79 D("cmd_charPrevious", "Move point backward one character."),
80 D("cmd_selectCharPrevious", "Extend selection backward one character."),
81 D("cmd_scrollLeft", "Scroll to the left."),
82 D("cmd_scrollLeft", "Scroll to the left."))),
83 R(D("cmd_deleteCharForward", "Delete the following character."),
84 D("cmd_deleteCharBackward", "Delete the previous character.")),
85 R(D("cmd_deleteWordForward", "Delete the following word."),
86 D("cmd_deleteWordBackward", "Delete the previous word.")),
87 R(S(D("forward-line", "Move or extend the selection forward one line."),
88 D("cmd_lineNext", "Move point forward one line."),
89 D("cmd_selectLineNext", "Extend selection forward one line."),
90 D("cmd_scrollLineDown", "Scroll down one line."),
91 D("cmd_scrollLineDown", "Scroll down one line.")),
92 S(D("backward-line", "Move or extend the selection backward one line."),
93 D("cmd_linePrevious", "Move point backward one line."),
94 D("cmd_selectLinePrevious", "Extend selection backward one line."),
95 D("cmd_scrollLineUp", "Scroll up one line."),
96 D("cmd_scrollLineUp", "Scroll up one line."))),
97 R(S(D("forward-page", "Move or extend the selection forward one page."),
98 D("cmd_movePageDown", "Move point forward one page."),
99 D("cmd_selectPageDown", "Extend selection forward one page."),
100 D("cmd_scrollPageDown", "Scroll forward one page."),
101 D("cmd_movePageDown", "Move point forward one page.")),
102 S(D("backward-page", "Move or extend the selection backward one page."),
103 D("cmd_movePageUp", "Move point backward one page."),
104 D("cmd_selectPageUp", "Extend selection backward one page."),
105 D("cmd_scrollPageUp", "Scroll backward one page."),
106 D("cmd_movePageUp", "Move point backward one page."))),
107 R(D("cmd_undo", "Undo last editing action."),
108 D("cmd_redo", "Redo last editing action.")),
109 R(S(D("forward-word", "Move or extend the selection forward one word."),
110 D("cmd_wordNext", "Move point forward one word."),
111 D("cmd_selectWordNext", "Extend selection forward one word."),
112 D("cmd_scrollRight", "Scroll to the right."),
113 D("cmd_wordNext", "Move point forward one word.")),
114 S(D("backward-word", "Move or extend the selection backward one word."),
115 D("cmd_wordPrevious", "Move point backward one word."),
116 D("cmd_selectWordPrevious", "Extend selection backward one word."),
117 D("cmd_scrollLeft", "Scroll to the left."),
118 D("cmd_wordPrevious", "Move point backward one word."))),
119 R(D("cmd_scrollPageUp", "Scroll up one page."),
120 D("cmd_scrollPageDown", "Scroll down one page.")),
121 R(D("cmd_scrollLineUp", "Scroll up one line."),
122 D("cmd_scrollLineDown", "Scroll down one line.")),
123 R(D("cmd_scrollLeft", "Scroll left."),
124 D("cmd_scrollRight", "Scroll right.")),
125 D("cmd_paste", "Insert the contents of the clipboard.")];
127 interactive(prefix + "set-mark",
128 "Toggle whether the mark is active.\n" +
129 "When the mark is active, movement commands affect the selection.",
132 function get_mode_idx () {
133 if (mode == 'scroll') return 2;
134 else if (mode == 'caret') return 3;
138 function get_move_select_idx (I) {
139 return mark_active_predicate(I) ? 1 : get_mode_idx();
142 function doc_for_builtin (c) {
146 return s + "Run the built-in command " + c + ".";
149 function define_simple_command (c) {
150 interactive(prefix + c, doc_for_builtin(c), function (I) { do_command_function(I, c); });
153 function get_move_select_doc_string (c) {
154 return c.command.doc +
155 "\nSpecifically, if the mark is active, runs `" + prefix + c[1] + "'. " +
156 "Otherwise, runs `" + prefix + c[get_mode_idx()] + "'\n" +
157 "To toggle whether the mark is active, use `" + prefix + "set-mark'.";
160 for each (let c_temp in builtin_commands) {
162 if (c.is_move_select_pair) {
163 interactive(prefix + c.command, get_move_select_doc_string(c), function (I) {
164 var idx = get_move_select_idx(I);
165 do_command_function(I, c[idx]);
167 define_simple_command(c[0]);
168 define_simple_command(c[1]);
171 define_simple_command(c);
174 function get_reverse_pair_doc_string (main_doc, alt_command) {
175 return main_doc + "\n" +
176 "The prefix argument specifies a repeat count for this command. " +
177 "If the count is negative, `" + prefix + alt_command + "' is performed instead with " +
178 "a corresponding positive repeat count.";
181 function define_simple_reverse_pair (a, b) {
182 interactive(prefix + a, get_reverse_pair_doc_string(doc_for_builtin(a), b),
184 do_repeatedly(do_command_function, I.p, [I, a], [I, b]);
186 interactive(prefix + b, get_reverse_pair_doc_string(doc_for_builtin(b), a),
188 do_repeatedly(do_command_function, I.p, [I, b], [I, a]);
192 for each (let c_temp in builtin_commands_with_count) {
194 if (c.is_reverse_pair) {
195 if (c[0].is_move_select_pair) {
196 interactive(prefix + c[0].command, get_reverse_pair_doc_string(get_move_select_doc_string(c[0]),
199 var idx = get_move_select_idx(I);
200 do_repeatedly(do_command_function, I.p, [I, c[0][idx]], [I, c[1][idx]]);
202 interactive(prefix + c[1].command, get_reverse_pair_doc_string(get_move_select_doc_string(c[1]),
205 var idx = get_move_select_idx(I);
206 do_repeatedly(do_command_function, I.p, [I, c[1][idx]], [I, c[0][idx]]);
208 define_simple_reverse_pair(c[0][0], c[1][0]);
209 define_simple_reverse_pair(c[0][1], c[1][1]);
211 define_simple_reverse_pair(c[0], c[1]);
213 let doc = doc_for_builtin(c) +
214 "\nThe prefix argument specifies a positive repeat count for this command.";
215 interactive(prefix + c, doc, function (I) {
216 do_repeatedly_positive(do_command_function, I.p, I, c);