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// Copyright (c) 2006-2008 by Martin Stubenschrott <stubenschrott@vimperator.org>
// Copyright (c) 2007-2009 by Doug Kearns <dougkearns@gmail.com>
// Copyright (c) 2008-2010 by Kris Maglione <maglione.k@gmail.com>
//
// This work is licensed for reuse under an MIT license. Details are
// given in the LICENSE.txt file included with this file.
"use strict";
/** @scope modules */
const Modes = Module("modes", {
init: function () {
this.modeChars = {};
this._main = 1; // NORMAL
this._extended = 0; // NONE
this._lastShown = null;
this._passNextKey = false;
this._passAllKeys = false;
this._isRecording = false;
this._isReplaying = false; // playing a macro
this._modeStack = [];
this._mainModes = [this.NONE];
this._lastMode = 0;
this._modeMap = {};
this.boundProperties = {};
// main modes, only one should ever be active
this.addMode("NORMAL", { char: "n", display: -1 });
this.addMode("INSERT", { char: "i", input: true });
this.addMode("VISUAL", { char: "v", display: function () "VISUAL" + (this._extended & modes.LINE ? " LINE" : "") });
this.addMode("COMMAND_LINE", { char: "c", input: true });
this.addMode("CARET"); // text cursor is visible
this.addMode("TEXTAREA", { char: "i" });
this.addMode("EMBED", { input: true });
this.addMode("CUSTOM", { display: function () plugins.mode });
// this._extended modes, can include multiple modes, and even main modes
this.addMode("EX", true);
this.addMode("HINTS", true);
this.addMode("INPUT_MULTILINE", true);
this.addMode("OUTPUT_MULTILINE", true);
this.addMode("SEARCH_FORWARD", true);
this.addMode("SEARCH_BACKWARD", true);
this.addMode("SEARCH_VIEW_FORWARD", true);
this.addMode("SEARCH_VIEW_BACKWARD", true);
this.addMode("MENU", true); // a popupmenu is active
this.addMode("LINE", true); // linewise visual mode
this.addMode("PROMPT", true);
},
_getModeMessage: function () {
if (this._passNextKey && !this._passAllKeys)
return "-- PASS THROUGH (next) --";
else if (this._passAllKeys && !this._passNextKey)
return "-- PASS THROUGH --";
// when recording a macro
let macromode = "";
if (modes.isRecording)
macromode = "recording";
else if (modes.isReplaying)
macromode = "replaying";
let ext = "";
if (this._extended & modes.MENU) // TODO: desirable?
ext += " (menu)";
ext += " --" + macromode;
if (this._main in this._modeMap && typeof this._modeMap[this._main].display == "function")
return "-- " + this._modeMap[this._main].display() + ext;
return macromode;
},
// NOTE: Pay attention that you don't run into endless loops
// Usually you should only indicate to leave a special mode like HINTS
// by calling modes.reset() and adding the stuff which is needed
// for its cleanup here
_handleModeChange: function (oldMode, newMode, oldExtended) {
switch (oldMode) {
case modes.TEXTAREA:
case modes.INSERT:
editor.unselectText();
break;
case modes.VISUAL:
if (newMode == modes.CARET) {
try { // clear any selection made; a simple if (selection) does not work
let selection = window.content.getSelection();
selection.collapseToStart();
}
catch (e) {}
}
else
editor.unselectText();
break;
case modes.CUSTOM:
plugins.stop();
break;
case modes.COMMAND_LINE:
// clean up for HINT mode
if (oldExtended & modes.HINTS)
hints.hide();
commandline.close();
break;
}
if (newMode == modes.NORMAL) {
// disable caret mode when we want to switch to normal mode
if (options.getPref("accessibility.browsewithcaret"))
options.setPref("accessibility.browsewithcaret", false);
statusline.updateUrl();
dactyl.focusContent(true);
}
},
NONE: 0,
__iterator__: function () array.iterValues(this.all),
get all() this._mainModes.slice(),
get mainModes() (mode for ([k, mode] in Iterator(modes._modeMap)) if (!mode.extended && mode.name == k)),
get mainMode() this._modeMap[this._main],
get topOfStack() this._modeStack[this._modeStack.length - 1],
addMode: function (name, extended, options) {
let disp = name.replace("_", " ", "g");
this[name] = 1 << this._lastMode++;
if (typeof extended == "object") {
options = extended;
extended = false;
}
let mode = util.extend({
extended: extended,
count: true,
input: false,
mask: this[name],
name: name,
disp: disp
}, options);
if (mode.char) {
this.modeChars[mode.char] = this.modeChars[mode.char] || [];
this.modeChars[mode.char].push(mode);
}
mode.display = mode.display || function () disp;
this._modeMap[name] = mode;
this._modeMap[this[name]] = mode;
if (!extended)
this._mainModes.push(this[name]);
dactyl.triggerObserver("mode-add", mode);
},
getMode: function (name) this._modeMap[name],
getCharModes: function (chr) [m for (m in values(this._modeMap)) if (m.char == chr)],
matchModes: function (obj)
[m for (m in values(this._modeMap)) if (Object.keys(obj).every(function (k) obj[k] == (m[k] || false)))],
// show the current mode string in the command line
show: function () {
let msg = null;
if (options["showmode"])
msg = this._getModeMessage();
commandline.widgets.mode = msg || null;
},
// add/remove always work on the this._extended mode only
add: function (mode) {
this._extended |= mode;
this.show();
},
save: function (id, obj, prop) {
this.boundProperties[id] = { obj: Cu.getWeakReference(obj), prop: prop };
},
// helper function to set both modes in one go
// if silent == true, you also need to take care of the mode handling changes yourself
set: function (mainMode, extendedMode, silent, stack) {
if (!stack && mainMode != null)
this._modeStack = [];
let push = mainMode != null && !(stack && stack.pop);
if (push && this.topOfStack)
for (let [id, { obj, prop }] in Iterator(this.boundProperties)) {
if (!obj.get())
delete this.boundProperties(id);
else
this.topOfStack[2][id] = { obj: obj.get(), prop: prop, value: obj.get()[prop] };
}
silent = (silent || this._main == mainMode && this._extended == extendedMode);
// if a this._main mode is set, the this._extended is always cleared
let oldMain = this._main, oldExtended = this._extended;
if (typeof extendedMode === "number")
this._extended = extendedMode;
if (typeof mainMode === "number") {
this._main = mainMode;
if (!extendedMode)
this._extended = modes.NONE;
if (this._main != oldMain)
this._handleModeChange(oldMain, mainMode, oldExtended);
}
if (mainMode != null && !(stack && stack.pop))
this._modeStack.push([this._main, this._extended, {}]);
dactyl.triggerObserver("modeChange", [oldMain, oldExtended], [this._main, this._extended], stack);
if (!silent)
this.show();
},
push: function (mainMode, extendedMode, silent) {
this.set(mainMode, extendedMode, silent, { push: this.topOfStack });
},
pop: function (silent) {
let a = this._modeStack.pop();
if (!this.topOfStack)
this.reset(silent);
else {
this.set(this.topOfStack[0], this.topOfStack[1], silent, { pop: a });
for (let [k, { obj, prop, value }] in Iterator(this.topOfStack[2]))
obj[prop] = value;
}
},
// TODO: Deprecate this in favor of addMode? --Kris
// Ya --djk
setCustomMode: function (modestr, oneventfunc, stopfunc) {
// TODO this.plugin[id]... ('id' maybe submode or what..)
plugins.mode = modestr;
plugins.onEvent = oneventfunc;
plugins.stop = stopfunc;
},
// keeps recording state
reset: function (silent) {
this._modeStack = [];
if (config.isComposeWindow)
this.set(modes.COMPOSE, modes.NONE, silent);
else
this.set(modes.NORMAL, modes.NONE, silent);
},
remove: function (mode) {
if (this._extended & mode) {
this._extended &= ~mode;
this.show();
}
},
get passNextKey() this._passNextKey,
set passNextKey(value) { this._passNextKey = value; this.show(); },
get passAllKeys() this._passAllKeys,
set passAllKeys(value) { this._passAllKeys = value; this.show(); },
get isRecording() this._isRecording,
set isRecording(value) { this._isRecording = value; this.show(); },
get isReplaying() this._isReplaying,
set isReplaying(value) { this._isReplaying = value; this.show(); },
get main() this._main,
set main(value) { this.set(value); },
get extended() this._extended,
set extended(value) { this.set(null, value); }
}, {
cacheId: 0,
boundProperty: function boundProperty(desc) {
let id = this.cacheId++, value;
return Class.Property(update({
enumerable: true,
configurable: true,
init: function (prop) update(this, {
get: function () {
if (desc.get)
var val = desc.get.call(this, value);
return val === undefined ? value : val;
},
set: function (val) {
value = desc.set.call(this, val);
value = value === undefined ? val : value;
modes.save(id, this, prop)
}
})
}, desc));
}
});
// vim: set fdm=marker sw=4 ts=4 et:
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