mirror of
https://github.com/gryf/pentadactyl-pm.git
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415 lines
14 KiB
JavaScript
415 lines
14 KiB
JavaScript
/***** BEGIN LICENSE BLOCK ***** {{{
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Version: MPL 1.1/GPL 2.0/LGPL 2.1
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The contents of this file are subject to the Mozilla Public License Version
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1.1 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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for the specific language governing rights and limitations under the
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License.
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(c) 2006-2008: Martin Stubenschrott <stubenschrott@gmx.net>
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Alternatively, the contents of this file may be used under the terms of
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either the GNU General Public License Version 2 or later (the "GPL"), or
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the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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in which case the provisions of the GPL or the LGPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of either the GPL or the LGPL, and not to allow others to
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use your version of this file under the terms of the MPL, indicate your
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decision by deleting the provisions above and replace them with the notice
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and other provisions required by the GPL or the LGPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the MPL, the GPL or the LGPL.
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}}} ***** END LICENSE BLOCK *****/
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// Do NOT create instances of this class yourself, use the helper method
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// mappings.add() instead
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function Map(modes, cmds, description, action, extraInfo) //{{{
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{
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if (!modes || (!cmds || !cmds.length) || !action)
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return null;
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if (!extraInfo)
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extraInfo = {};
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this.modes = modes;
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// only store keysyms with uppercase modifier strings
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this.names = cmds.map(function (cmd) cmd.replace(/[casm]-/g, String.toUpperCase));
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this.action = action;
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this.flags = extraInfo.flags || 0;
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this.description = description || "";
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this.rhs = extraInfo.rhs || null;
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this.noremap = extraInfo.noremap || false;
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this.silent = extraInfo.silent || false;
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};
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Map.prototype = {
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hasName: function (name)
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{
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return this.names.indexOf(name) >= 0;
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},
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execute: function (motion, count, argument)
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{
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var args = [];
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if (this.flags & Mappings.flags.MOTION)
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args.push(motion);
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if (this.flags & Mappings.flags.COUNT)
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args.push(count);
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if (this.flags & Mappings.flags.ARGUMENT)
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args.push(argument);
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let self = this;
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// FIXME: Kludge.
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if (this.names[0] != ".")
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mappings.repeat = function () self.action.apply(self, args);
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return this.action.apply(this, args);
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}
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}; //}}}
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function Mappings() //{{{
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{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////// PRIVATE SECTION /////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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var main = []; // default mappings
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var user = []; // user created mappings
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for (let mode in modes)
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{
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main[mode] = [];
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user[mode] = [];
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}
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function addMap(map, userMap)
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{
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var where = userMap ? user : main;
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map.modes.forEach(function (mode) {
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if (!(mode in where))
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where[mode] = [];
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where[mode].push(map);
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});
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}
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function getMap(mode, cmd, stack)
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{
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var maps = stack[mode] || [];
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for (let [,map] in Iterator(maps))
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{
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if (map.hasName(cmd))
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return map;
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}
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return null;
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}
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function removeMap(mode, cmd)
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{
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var maps = user[mode] || [];
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var names;
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for (let [i, map] in Iterator(maps))
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{
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for (let [j, name] in Iterator(map.names))
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{
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if (name == cmd)
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{
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map.names.splice(j, 1);
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if (map.names.length == 0)
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maps.splice(i, 1);
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return;
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}
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}
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}
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}
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function expandLeader(keyString) keyString.replace(/<Leader>/i, mappings.getMapLeader())
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// Return all mappings present in all @modes
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function mappingsIterator(modes, stack)
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{
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modes = modes.slice();
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return (map for ([i, map] in Iterator(stack[modes.shift()]))
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if (modes.every(function (mode) stack[mode].some(
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function (m) m.rhs == map.rhs && m.names[0] == map.names[0]))))
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}
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function addMapCommands(ch, modes, modeDescription)
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{
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// 0 args -> list all maps
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// 1 arg -> list the maps starting with args
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// 2 args -> map arg1 to arg*
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function map(args, mode, noremap)
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{
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if (!args.length)
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{
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mappings.list(mode);
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return;
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}
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// ?:\s+ <- don't remember; (...)? optional = rhs
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let [lhs, rhs] = args;
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if (!rhs) // list the mapping
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{
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mappings.list(mode, expandLeader(lhs));
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}
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else
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{
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for (let [,m] in Iterator(mode))
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{
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mappings.addUserMap([m], [lhs],
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"User defined mapping",
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function (count) { events.feedkeys((count > 1 ? count : "") + this.rhs, this.noremap, this.silent); },
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{
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flags: Mappings.flags.COUNT,
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rhs: rhs,
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noremap: !!noremap,
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silent: "<silent>" in args
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});
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}
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}
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}
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modeDescription = modeDescription ? " in " + modeDescription + " mode" : "";
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const opts = {
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completer: function (context, args) completion.userMapping(context, args, modes),
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options: [
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[["<silent>", "<Silent>"], commands.OPTION_NOARG]
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],
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literal: 1,
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serial: function () {
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let noremap = this.name.indexOf("noremap") > -1;
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return [
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{
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command: this.name,
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options: map.silent ? { "<silent>": null } : {},
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arguments: [map.names[0]],
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literalArg: map.rhs
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}
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for (map in mappingsIterator(modes, user))
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if (map.rhs && map.noremap == noremap)
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]
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}
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};
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commands.add([ch ? ch + "m[ap]" : "map"],
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"Map a key sequence" + modeDescription,
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function (args) { map(args, modes, false); },
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opts);
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commands.add([ch + "no[remap]"],
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"Map a key sequence without remapping keys" + modeDescription,
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function (args) { map(args, modes, true); },
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opts);
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commands.add([ch + "mapc[lear]"],
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"Remove all mappings" + modeDescription,
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function () { modes.forEach(function (mode) { mappings.removeAll(mode); }); },
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{ argCount: "0" });
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commands.add([ch + "unm[ap]"],
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"Remove a mapping" + modeDescription,
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function (args)
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{
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args = args[0];
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let found = false;
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for (let [,mode] in Iterator(modes))
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{
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if (mappings.hasMap(mode, args))
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{
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mappings.remove(mode, args);
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found = true;
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}
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}
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if (!found)
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liberator.echoerr("E31: No such mapping");
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},
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{
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argCount: "1",
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completer: function (context, args) completion.userMapping(context, args, modes)
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});
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}
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/////////////////////////////////////////////////////////////////////////////}}}
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////////////////////// COMMANDS ////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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addMapCommands("", [modes.NORMAL], "");
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addMapCommands("c", [modes.COMMAND_LINE], "command line");
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addMapCommands("i", [modes.INSERT, modes.TEXTAREA], "insert");
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if (liberator.has("mail"))
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addMapCommands("m", [modes.MESSAGE], "message");
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/////////////////////////////////////////////////////////////////////////////}}}
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////////////////////// PUBLIC SECTION //////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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liberator.registerObserver("load_completion", function ()
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{
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completion.setFunctionCompleter(mappings.get,
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[
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null,
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function (context, obj, args)
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{
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let mode = args[0]
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return util.Array.flatten(
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[
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[[name, map.description] for ([i, name] in Iterator(map.names))]
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for ([i, map] in Iterator(user[mode].concat(main[mode])))
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])
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}
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]);
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});
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// FIXME:
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Mappings.flags = {
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ALLOW_EVENT_ROUTING: 1 << 0, // if set, return true inside the map command to pass the event further to firefox
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MOTION: 1 << 1,
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COUNT: 1 << 2,
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ARGUMENT: 1 << 3
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};
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return {
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// NOTE: just normal mode for now
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__iterator__: function () mappingsIterator([modes.NORMAL], main),
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// used by :mkvimperatorrc to save mappings
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getUserIterator: function (mode) mappingsIterator(mode, user),
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add: function (modes, keys, description, action, extra)
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{
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addMap(new Map(modes, keys, description, action, extra), false);
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},
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addUserMap: function (modes, keys, description, action, extra)
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{
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keys = keys.map(expandLeader);
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var map = new Map(modes, keys, description || "User defined mapping", action, extra);
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// remove all old mappings to this key sequence
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for (let [,name] in Iterator(map.names))
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{
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for (let [,mode] in Iterator(map.modes))
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removeMap(mode, name);
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}
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addMap(map, true);
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},
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get: function (mode, cmd)
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{
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mode = mode || modes.NORMAL;
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return getMap(mode, cmd, user) || getMap(mode, cmd, main);
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},
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getDefault: function (mode, cmd)
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{
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mode = mode || modes.NORMAL;
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return getMap(mode, cmd, main);
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},
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// returns an array of mappings with names which START with "cmd" (but are NOT "cmd")
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getCandidates: function (mode, cmd)
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{
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let mappings = user[mode].concat(main[mode]);
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let matches = [];
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for (let [,map] in Iterator(mappings))
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{
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for (let [,name] in Iterator(map.names))
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{
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if (name.indexOf(cmd) == 0 && name.length > cmd.length)
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{
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// for < only return a candidate if it doesn't look like a <c-x> mapping
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if (cmd != "<" || !/^<.+>/.test(name))
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matches.push(map);
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}
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}
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}
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return matches;
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},
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getMapLeader: function ()
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{
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var leaderRef = liberator.variableReference("mapleader");
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return leaderRef[0] ? leaderRef[0][leaderRef[1]] : "\\";
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},
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// returns whether the user added a custom user map
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hasMap: function (mode, cmd)
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{
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return user[mode].some(function (map) map.hasName(cmd));
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},
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remove: function (mode, cmd)
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{
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removeMap(mode, cmd);
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},
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removeAll: function (mode)
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{
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user[mode] = [];
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},
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list: function (modes, filter)
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{
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let modeSign = "";
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modes.forEach(function (mode)
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{
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if (mode == modes.NORMAL)
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modeSign += "n";
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if ((mode == modes.INSERT || mode == modes.TEXTAREA) && modeSign.indexOf("i") == -1)
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modeSign += "i";
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if (mode == modes.COMMAND_LINE)
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modeSign += "c";
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if (mode == modes.MESSAGRE)
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modeSign += "m";
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});
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let maps = mappingsIterator(modes, user);
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if (filter)
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maps = [map for (map in maps) if (map.names[0] == filter)];
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let list = <table>
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{
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template.map(maps, function (map)
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template.map(map.names, function (name)
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<tr>
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<td>{modeSign} {name}</td>
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<td>{map.noremap ? "*" : " "}</td>
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<td>{map.rhs || "function () { ... }"}</td>
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</tr>))
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}
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</table>;
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// TODO: Move this to an ItemList to show this automatically
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if (list.*.length() == list.text().length())
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{
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liberator.echomsg("No mapping found");
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return;
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}
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commandline.echo(list, commandline.HL_NORMAL, commandline.FORCE_MULTILINE);
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}
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};
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//}}}
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}; //}}}
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// vim: set fdm=marker sw=4 ts=4 et:
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