375 lines
11 KiB
JavaScript
375 lines
11 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Distributed under the BSD license:
|
|
*
|
|
* Copyright (c) 2010, Ajax.org B.V.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of Ajax.org B.V. nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
ace.define('ace/keyboard/emacs', ['require', 'exports', 'module' , 'ace/lib/dom', 'ace/keyboard/hash_handler', 'ace/lib/keys'], function(require, exports, module) {
|
|
|
|
|
|
var dom = require("../lib/dom");
|
|
|
|
var screenToTextBlockCoordinates = function(pageX, pageY) {
|
|
var canvasPos = this.scroller.getBoundingClientRect();
|
|
|
|
var col = Math.floor(
|
|
(pageX + this.scrollLeft - canvasPos.left - this.$padding - dom.getPageScrollLeft()) / this.characterWidth
|
|
);
|
|
var row = Math.floor(
|
|
(pageY + this.scrollTop - canvasPos.top - dom.getPageScrollTop()) / this.lineHeight
|
|
);
|
|
|
|
return this.session.screenToDocumentPosition(row, col);
|
|
};
|
|
|
|
var HashHandler = require("./hash_handler").HashHandler;
|
|
exports.handler = new HashHandler();
|
|
|
|
var initialized = false;
|
|
exports.handler.attach = function(editor) {
|
|
if (!initialized) {
|
|
initialized = true;
|
|
dom.importCssString('\
|
|
.emacs-mode .ace_cursor{\
|
|
border: 2px rgba(50,250,50,0.8) solid!important;\
|
|
-moz-box-sizing: border-box!important;\
|
|
box-sizing: border-box!important;\
|
|
background-color: rgba(0,250,0,0.9);\
|
|
opacity: 0.5;\
|
|
}\
|
|
.emacs-mode .ace_cursor.ace_hidden{\
|
|
opacity: 1;\
|
|
background-color: transparent;\
|
|
}\
|
|
.emacs-mode .ace_cursor.ace_overwrite {\
|
|
opacity: 1;\
|
|
background-color: transparent;\
|
|
border-width: 0 0 2px 2px !important;\
|
|
}\
|
|
.emacs-mode .ace_text-layer {\
|
|
z-index: 4\
|
|
}\
|
|
.emacs-mode .ace_cursor-layer {\
|
|
z-index: 2\
|
|
}', 'emacsMode'
|
|
);
|
|
}
|
|
|
|
editor.renderer.screenToTextCoordinates = screenToTextBlockCoordinates;
|
|
editor.setStyle("emacs-mode");
|
|
};
|
|
|
|
exports.handler.detach = function(editor) {
|
|
delete editor.renderer.screenToTextCoordinates;
|
|
editor.unsetStyle("emacs-mode");
|
|
};
|
|
|
|
|
|
var keys = require("../lib/keys").KEY_MODS;
|
|
var eMods = {
|
|
C: "ctrl", S: "shift", M: "alt"
|
|
};
|
|
["S-C-M", "S-C", "S-M", "C-M", "S", "C", "M"].forEach(function(c) {
|
|
var hashId = 0;
|
|
c.split("-").forEach(function(c){
|
|
hashId = hashId | keys[eMods[c]];
|
|
});
|
|
eMods[hashId] = c.toLowerCase() + "-";
|
|
});
|
|
|
|
exports.handler.bindKey = function(key, command) {
|
|
if (!key)
|
|
return;
|
|
|
|
var ckb = this.commmandKeyBinding;
|
|
key.split("|").forEach(function(keyPart) {
|
|
keyPart = keyPart.toLowerCase();
|
|
ckb[keyPart] = command;
|
|
keyPart = keyPart.split(" ")[0];
|
|
if (!ckb[keyPart])
|
|
ckb[keyPart] = "null";
|
|
}, this);
|
|
};
|
|
|
|
|
|
exports.handler.handleKeyboard = function(data, hashId, key, keyCode) {
|
|
if (hashId == -1) {
|
|
if (data.count) {
|
|
var str = Array(data.count + 1).join(key);
|
|
data.count = null;
|
|
return {command: "insertstring", args: str};
|
|
}
|
|
}
|
|
|
|
if (key == "\x00")
|
|
return;
|
|
|
|
var modifier = eMods[hashId];
|
|
if (modifier == "c-" || data.universalArgument) {
|
|
var count = parseInt(key[key.length - 1]);
|
|
if (count) {
|
|
data.count = count;
|
|
return {command: "null"};
|
|
}
|
|
}
|
|
data.universalArgument = false;
|
|
|
|
if (modifier)
|
|
key = modifier + key;
|
|
|
|
if (data.keyChain)
|
|
key = data.keyChain += " " + key;
|
|
|
|
var command = this.commmandKeyBinding[key];
|
|
data.keyChain = command == "null" ? key : "";
|
|
|
|
if (!command)
|
|
return;
|
|
|
|
if (command == "null")
|
|
return {command: "null"};
|
|
|
|
if (command == "universalArgument") {
|
|
data.universalArgument = true;
|
|
return {command: "null"};
|
|
}
|
|
|
|
if (typeof command != "string") {
|
|
var args = command.args;
|
|
command = command.command;
|
|
}
|
|
|
|
if (typeof command == "string") {
|
|
command = this.commands[command] || data.editor.commands.commands[command];
|
|
}
|
|
|
|
if (!command.readonly && !command.isYank)
|
|
data.lastCommand = null;
|
|
|
|
if (data.count) {
|
|
var count = data.count;
|
|
data.count = 0;
|
|
return {
|
|
args: args,
|
|
command: {
|
|
exec: function(editor, args) {
|
|
for (var i = 0; i < count; i++)
|
|
command.exec(editor, args);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
return {command: command, args: args};
|
|
};
|
|
|
|
exports.emacsKeys = {
|
|
// movement
|
|
"Up|C-p" : "golineup",
|
|
"Down|C-n" : "golinedown",
|
|
"Left|C-b" : "gotoleft",
|
|
"Right|C-f" : "gotoright",
|
|
"C-Left|M-b" : "gotowordleft",
|
|
"C-Right|M-f" : "gotowordright",
|
|
"Home|C-a" : "gotolinestart",
|
|
"End|C-e" : "gotolineend",
|
|
"C-Home|S-M-,": "gotostart",
|
|
"C-End|S-M-." : "gotoend",
|
|
|
|
// selection
|
|
"S-Up|S-C-p" : "selectup",
|
|
"S-Down|S-C-n" : "selectdown",
|
|
"S-Left|S-C-b" : "selectleft",
|
|
"S-Right|S-C-f" : "selectright",
|
|
"S-C-Left|S-M-b" : "selectwordleft",
|
|
"S-C-Right|S-M-f" : "selectwordright",
|
|
"S-Home|S-C-a" : "selecttolinestart",
|
|
"S-End|S-C-e" : "selecttolineend",
|
|
"S-C-Home" : "selecttostart",
|
|
"S-C-End" : "selecttoend",
|
|
|
|
"C-l" : "recenterTopBottom",
|
|
"M-s" : "centerselection",
|
|
"M-g": "gotoline",
|
|
"C-x C-p": "selectall",
|
|
|
|
// todo fix these
|
|
"C-Down": "gotopagedown",
|
|
"C-Up": "gotopageup",
|
|
"PageDown|C-v": "gotopagedown",
|
|
"PageUp|M-v": "gotopageup",
|
|
"S-C-Down": "selectpagedown",
|
|
"S-C-Up": "selectpageup",
|
|
"C-s": "findnext",
|
|
"C-r": "findprevious",
|
|
"M-C-s": "findnext",
|
|
"M-C-r": "findprevious",
|
|
"S-M-5": "replace",
|
|
|
|
// basic editing
|
|
"Backspace": "backspace",
|
|
"Delete|C-d": "del",
|
|
"Return|C-m": {command: "insertstring", args: "\n"}, // "newline"
|
|
"C-o": "splitline",
|
|
|
|
"M-d|C-Delete": {command: "killWord", args: "right"},
|
|
"C-Backspace|M-Backspace|M-Delete": {command: "killWord", args: "left"},
|
|
"C-k": "killLine",
|
|
|
|
"C-y|S-Delete": "yank",
|
|
"M-y": "yankRotate",
|
|
"C-g": "keyboardQuit",
|
|
|
|
"C-w": "killRegion",
|
|
"M-w": "killRingSave",
|
|
|
|
"C-Space": "setMark",
|
|
"C-x C-x": "exchangePointAndMark",
|
|
|
|
"C-t": "transposeletters",
|
|
|
|
"M-u": "touppercase",
|
|
"M-l": "tolowercase",
|
|
"M-/": "autocomplete",
|
|
"C-u": "universalArgument",
|
|
"M-;": "togglecomment",
|
|
|
|
"C-/|C-x u|S-C--|C-z": "undo",
|
|
"S-C-/|S-C-x u|C--|S-C-z": "redo", //infinite undo?
|
|
// vertical editing
|
|
"C-x r": "selectRectangularRegion"
|
|
|
|
// todo
|
|
// "M-x" "C-x C-t" "M-t" "M-c" "F11" "C-M- "M-q"
|
|
};
|
|
|
|
|
|
exports.handler.bindKeys(exports.emacsKeys);
|
|
|
|
exports.handler.addCommands({
|
|
recenterTopBottom: function(editor) {
|
|
var renderer = editor.renderer;
|
|
var pos = renderer.$cursorLayer.getPixelPosition();
|
|
var h = renderer.$size.scrollerHeight - renderer.lineHeight;
|
|
var scrollTop = renderer.scrollTop;
|
|
if (Math.abs(pos.top - scrollTop) < 2) {
|
|
scrollTop = pos.top - h;
|
|
} else if (Math.abs(pos.top - scrollTop - h * 0.5) < 2) {
|
|
scrollTop = pos.top;
|
|
} else {
|
|
scrollTop = pos.top - h * 0.5;
|
|
}
|
|
editor.session.setScrollTop(scrollTop);
|
|
},
|
|
selectRectangularRegion: function(editor) {
|
|
editor.multiSelect.toggleBlockSelection();
|
|
},
|
|
setMark: function() {
|
|
},
|
|
exchangePointAndMark: {
|
|
exec: function(editor) {
|
|
var range = editor.selection.getRange();
|
|
editor.selection.setSelectionRange(range, !editor.selection.isBackwards());
|
|
},
|
|
readonly: true,
|
|
multiselectAction: "forEach"
|
|
},
|
|
killWord: {
|
|
exec: function(editor, dir) {
|
|
editor.clearSelection();
|
|
if (dir == "left")
|
|
editor.selection.selectWordLeft();
|
|
else
|
|
editor.selection.selectWordRight();
|
|
|
|
var range = editor.getSelectionRange();
|
|
var text = editor.session.getTextRange(range);
|
|
exports.killRing.add(text);
|
|
|
|
editor.session.remove(range);
|
|
editor.clearSelection();
|
|
},
|
|
multiselectAction: "forEach"
|
|
},
|
|
killLine: function(editor) {
|
|
editor.selection.selectLine();
|
|
var range = editor.getSelectionRange();
|
|
var text = editor.session.getTextRange(range);
|
|
exports.killRing.add(text);
|
|
|
|
editor.session.remove(range);
|
|
editor.clearSelection();
|
|
},
|
|
yank: function(editor) {
|
|
editor.onPaste(exports.killRing.get());
|
|
editor.keyBinding.$data.lastCommand = "yank";
|
|
},
|
|
yankRotate: function(editor) {
|
|
if (editor.keyBinding.$data.lastCommand != "yank")
|
|
return;
|
|
|
|
editor.undo();
|
|
editor.onPaste(exports.killRing.rotate());
|
|
editor.keyBinding.$data.lastCommand = "yank";
|
|
},
|
|
killRegion: function(editor) {
|
|
exports.killRing.add(editor.getCopyText());
|
|
editor.commands.byName.cut.exec(editor);
|
|
},
|
|
killRingSave: function(editor) {
|
|
exports.killRing.add(editor.getCopyText());
|
|
}
|
|
});
|
|
|
|
var commands = exports.handler.commands;
|
|
commands.yank.isYank = true;
|
|
commands.yankRotate.isYank = true;
|
|
|
|
exports.killRing = {
|
|
$data: [],
|
|
add: function(str) {
|
|
str && this.$data.push(str);
|
|
if (this.$data.length > 30)
|
|
this.$data.shift();
|
|
},
|
|
get: function() {
|
|
return this.$data[this.$data.length - 1] || "";
|
|
},
|
|
pop: function() {
|
|
if (this.$data.length > 1)
|
|
this.$data.pop();
|
|
return this.get();
|
|
},
|
|
rotate: function() {
|
|
this.$data.unshift(this.$data.pop());
|
|
return this.get();
|
|
}
|
|
};
|
|
|
|
|
|
});
|