[emacs bindings] Define named commands for the key bindings
This commit is contained in:
Joe Predham
GitHub
parent
86af2dc6e2
commit
97ee575155
382
keymap/emacs.js
382
keymap/emacs.js
|
|
@ -11,6 +11,7 @@
|
|||
})(function(CodeMirror) {
|
||||
"use strict";
|
||||
|
||||
var cmds = CodeMirror.commands;
|
||||
var Pos = CodeMirror.Pos;
|
||||
function posEq(a, b) { return a.line == b.line && a.ch == b.ch; }
|
||||
|
||||
|
|
@ -30,7 +31,8 @@
|
|||
|
||||
var lastKill = null;
|
||||
|
||||
function kill(cm, from, to, ring, text) {
|
||||
// Internal generic kill function, used by several mapped kill "family" functions.
|
||||
function _kill(cm, from, to, ring, text) {
|
||||
if (text == null) text = cm.getRange(from, to);
|
||||
|
||||
if (ring == "grow" && lastKill && lastKill.cm == cm && posEq(from, lastKill.pos) && cm.isClean(lastKill.gen))
|
||||
|
|
@ -156,17 +158,17 @@
|
|||
var i = selections.length;
|
||||
while (i--) {
|
||||
cursor = selections[i].head;
|
||||
kill(cm, cursor, findEnd(cm, cursor, by, dir), ring);
|
||||
_kill(cm, cursor, findEnd(cm, cursor, by, dir), ring);
|
||||
}
|
||||
}
|
||||
|
||||
function killRegion(cm, ring) {
|
||||
function _killRegion(cm, ring) {
|
||||
if (cm.somethingSelected()) {
|
||||
var selections = cm.listSelections(), selection;
|
||||
var i = selections.length;
|
||||
while (i--) {
|
||||
selection = selections[i];
|
||||
kill(cm, selection.anchor, selection.head, ring);
|
||||
_kill(cm, selection.anchor, selection.head, ring);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
|
@ -205,13 +207,6 @@
|
|||
}
|
||||
}
|
||||
|
||||
function addPrefixMap(cm) {
|
||||
cm.state.emacsPrefixMap = true;
|
||||
cm.addKeyMap(prefixMap);
|
||||
cm.on("keyHandled", maybeRemovePrefixMap);
|
||||
cm.on("inputRead", maybeRemovePrefixMap);
|
||||
}
|
||||
|
||||
function maybeRemovePrefixMap(cm, arg) {
|
||||
if (typeof arg == "string" && (/^\d$/.test(arg) || arg == "Ctrl-U")) return;
|
||||
cm.removeKeyMap(prefixMap);
|
||||
|
|
@ -222,7 +217,7 @@
|
|||
|
||||
// Utilities
|
||||
|
||||
function setMark(cm) {
|
||||
cmds.setMark = function (cm) {
|
||||
cm.setCursor(cm.getCursor());
|
||||
cm.setExtending(!cm.getExtending());
|
||||
cm.on("change", function() { cm.setExtending(false); });
|
||||
|
|
@ -276,145 +271,266 @@
|
|||
}
|
||||
}
|
||||
|
||||
function quit(cm) {
|
||||
// Commands. Names should match emacs function names (albeit in camelCase)
|
||||
// except where emacs function names collide with code mirror core commands.
|
||||
|
||||
cmds.killRegion = function(cm) {
|
||||
_kill(cm, cm.getCursor("start"), cm.getCursor("end"), true);
|
||||
};
|
||||
|
||||
// Maps to emacs kill-line
|
||||
cmds.killLineEmacs = repeated(function(cm) {
|
||||
var start = cm.getCursor(), end = cm.clipPos(Pos(start.line));
|
||||
var text = cm.getRange(start, end);
|
||||
if (!/\S/.test(text)) {
|
||||
text += "\n";
|
||||
end = Pos(start.line + 1, 0);
|
||||
}
|
||||
_kill(cm, start, end, "grow", text);
|
||||
});
|
||||
|
||||
cmds.killRingSave = function(cm) {
|
||||
addToRing(cm.getSelection());
|
||||
clearMark(cm);
|
||||
};
|
||||
|
||||
cmds.yank = function(cm) {
|
||||
var start = cm.getCursor();
|
||||
cm.replaceRange(getFromRing(getPrefix(cm)), start, start, "paste");
|
||||
cm.setSelection(start, cm.getCursor());
|
||||
};
|
||||
|
||||
cmds.yankPop = function(cm) {
|
||||
cm.replaceSelection(popFromRing(), "around", "paste");
|
||||
};
|
||||
|
||||
cmds.forwardChar = move(byChar, 1);
|
||||
|
||||
cmds.backwardChar = move(byChar, -1)
|
||||
|
||||
cmds.deleteChar = function(cm) { killTo(cm, byChar, 1, false); };
|
||||
|
||||
cmds.deleteForwardChar = function(cm) {
|
||||
_killRegion(cm, false) || killTo(cm, byChar, 1, false);
|
||||
};
|
||||
|
||||
cmds.deleteBackwardChar = function(cm) {
|
||||
_killRegion(cm, false) || killTo(cm, byChar, -1, false);
|
||||
};
|
||||
|
||||
cmds.forwardWord = move(byWord, 1);
|
||||
|
||||
cmds.backwardWord = move(byWord, -1);
|
||||
|
||||
cmds.killWord = function(cm) { killTo(cm, byWord, 1, "grow"); };
|
||||
|
||||
cmds.backwardKillWord = function(cm) { killTo(cm, byWord, -1, "grow"); };
|
||||
|
||||
cmds.nextLine = move(byLine, 1);
|
||||
|
||||
cmds.previousLine = move(byLine, -1);
|
||||
|
||||
cmds.scrollDownCommand = move(byPage, 1);
|
||||
|
||||
cmds.scrollUpCommand = move(byPage, -1);
|
||||
|
||||
cmds.backwardParagraph = move(byParagraph, -1);
|
||||
|
||||
cmds.forwardParagraph = move(byParagraph, 1);
|
||||
|
||||
cmds.backwardSentence = move(bySentence, -1);
|
||||
|
||||
cmds.forwardSentence = move(bySentence, 1);
|
||||
|
||||
cmds.killSentence = function(cm) { killTo(cm, bySentence, 1, "grow"); };
|
||||
|
||||
cmds.backwardKillSentence = function(cm) {
|
||||
_kill(cm, cm.getCursor(), bySentence(cm, cm.getCursor(), 1), "grow");
|
||||
};
|
||||
|
||||
cmds.killSexp = function(cm) { killTo(cm, byExpr, 1, "grow"); };
|
||||
|
||||
cmds.backwardKillSexp = function(cm) { killTo(cm, byExpr, -1, "grow"); };
|
||||
|
||||
cmds.forwardSexp = move(byExpr, 1);
|
||||
|
||||
cmds.backwardSexp = move(byExpr, -1);
|
||||
|
||||
cmds.markSexp = function(cm) {
|
||||
var cursor = cm.getCursor();
|
||||
cm.setSelection(findEnd(cm, cursor, byExpr, 1), cursor);
|
||||
};
|
||||
|
||||
cmds.transposeSexps = function(cm) {
|
||||
var leftStart = byExpr(cm, cm.getCursor(), -1);
|
||||
var leftEnd = byExpr(cm, leftStart, 1);
|
||||
var rightEnd = byExpr(cm, leftEnd, 1);
|
||||
var rightStart = byExpr(cm, rightEnd, -1);
|
||||
cm.replaceRange(cm.getRange(rightStart, rightEnd) +
|
||||
cm.getRange(leftEnd, rightStart) +
|
||||
cm.getRange(leftStart, leftEnd), leftStart, rightEnd);
|
||||
};
|
||||
|
||||
cmds.backwardUpList = repeated(toEnclosingExpr);
|
||||
|
||||
cmds.justOneSpace = function(cm) {
|
||||
var pos = cm.getCursor(), from = pos.ch;
|
||||
var to = pos.ch, text = cm.getLine(pos.line);
|
||||
while (from && /\s/.test(text.charAt(from - 1))) --from;
|
||||
while (to < text.length && /\s/.test(text.charAt(to))) ++to;
|
||||
cm.replaceRange(" ", Pos(pos.line, from), Pos(pos.line, to));
|
||||
};
|
||||
|
||||
cmds.openLine = repeated(function(cm) {
|
||||
cm.replaceSelection("\n", "start");
|
||||
});
|
||||
|
||||
// maps to emacs 'transpose-chars'
|
||||
cmds.transposeCharsRepeatable = repeated(function(cm) {
|
||||
cm.execCommand("transposeChars");
|
||||
});
|
||||
|
||||
cmds.capitalizeWord = repeated(function(cm) {
|
||||
operateOnWord(cm, function(w) {
|
||||
var letter = w.search(/\w/);
|
||||
if (letter == -1) return w;
|
||||
return w.slice(0, letter) + w.charAt(letter).toUpperCase() +
|
||||
w.slice(letter + 1).toLowerCase();
|
||||
});
|
||||
});
|
||||
|
||||
cmds.upcaseWord = repeated(function(cm) {
|
||||
operateOnWord(cm, function(w) { return w.toUpperCase(); });
|
||||
});
|
||||
|
||||
cmds.downcaseWord = repeated(function(cm) {
|
||||
operateOnWord(cm, function(w) { return w.toLowerCase(); });
|
||||
});
|
||||
|
||||
// maps to emacs 'undo'
|
||||
cmds.undoRepeatable = repeated("undo");
|
||||
|
||||
cmds.keyboardQuit = function(cm) {
|
||||
cm.execCommand("clearSearch");
|
||||
clearMark(cm);
|
||||
}
|
||||
|
||||
CodeMirror.emacs = {kill: kill, killRegion: killRegion, repeated: repeated};
|
||||
cmds.newline = repeated(function(cm) { cm.replaceSelection("\n", "end"); });
|
||||
|
||||
cmds.gotoLine = function(cm) {
|
||||
var prefix = getPrefix(cm, true);
|
||||
if (prefix != null && prefix > 0) return cm.setCursor(prefix - 1);
|
||||
|
||||
getInput(cm, "Goto line", function(str) {
|
||||
var num;
|
||||
if (str && !isNaN(num = Number(str)) && num == (num|0) && num > 0)
|
||||
cm.setCursor(num - 1);
|
||||
});
|
||||
};
|
||||
|
||||
cmds.indentRigidly = function(cm) {
|
||||
cm.indentSelection(getPrefix(cm, true) || cm.getOption("indentUnit"));
|
||||
};
|
||||
|
||||
cmds.exchangePointAndMark = function(cm) {
|
||||
cm.setSelection(cm.getCursor("head"), cm.getCursor("anchor"));
|
||||
};
|
||||
|
||||
cmds.quotedInsertTab = repeated("insertTab");
|
||||
|
||||
cmds.universalArgument = function addPrefixMap(cm) {
|
||||
cm.state.emacsPrefixMap = true;
|
||||
cm.addKeyMap(prefixMap);
|
||||
cm.on("keyHandled", maybeRemovePrefixMap);
|
||||
cm.on("inputRead", maybeRemovePrefixMap);
|
||||
};
|
||||
|
||||
CodeMirror.emacs = {kill: _kill, killRegion: _killRegion, repeated: repeated};
|
||||
|
||||
// Actual keymap
|
||||
|
||||
var keyMap = CodeMirror.keyMap.emacs = CodeMirror.normalizeKeyMap({
|
||||
"Ctrl-W": function(cm) {kill(cm, cm.getCursor("start"), cm.getCursor("end"), true);},
|
||||
"Ctrl-K": repeated(function(cm) {
|
||||
var start = cm.getCursor(), end = cm.clipPos(Pos(start.line));
|
||||
var text = cm.getRange(start, end);
|
||||
if (!/\S/.test(text)) {
|
||||
text += "\n";
|
||||
end = Pos(start.line + 1, 0);
|
||||
}
|
||||
kill(cm, start, end, "grow", text);
|
||||
}),
|
||||
"Alt-W": function(cm) {
|
||||
addToRing(cm.getSelection());
|
||||
clearMark(cm);
|
||||
},
|
||||
"Ctrl-Y": function(cm) {
|
||||
var start = cm.getCursor();
|
||||
cm.replaceRange(getFromRing(getPrefix(cm)), start, start, "paste");
|
||||
cm.setSelection(start, cm.getCursor());
|
||||
},
|
||||
"Alt-Y": function(cm) {cm.replaceSelection(popFromRing(), "around", "paste");},
|
||||
|
||||
"Ctrl-Space": setMark, "Ctrl-Shift-2": setMark,
|
||||
|
||||
"Ctrl-F": move(byChar, 1), "Ctrl-B": move(byChar, -1),
|
||||
"Right": move(byChar, 1), "Left": move(byChar, -1),
|
||||
"Ctrl-D": function(cm) { killTo(cm, byChar, 1, false); },
|
||||
"Delete": function(cm) { killRegion(cm, false) || killTo(cm, byChar, 1, false); },
|
||||
"Ctrl-H": function(cm) { killTo(cm, byChar, -1, false); },
|
||||
"Backspace": function(cm) { killRegion(cm, false) || killTo(cm, byChar, -1, false); },
|
||||
|
||||
"Alt-F": move(byWord, 1), "Alt-B": move(byWord, -1),
|
||||
"Alt-Right": move(byWord, 1), "Alt-Left": move(byWord, -1),
|
||||
"Alt-D": function(cm) { killTo(cm, byWord, 1, "grow"); },
|
||||
"Alt-Backspace": function(cm) { killTo(cm, byWord, -1, "grow"); },
|
||||
|
||||
"Ctrl-N": move(byLine, 1), "Ctrl-P": move(byLine, -1),
|
||||
"Down": move(byLine, 1), "Up": move(byLine, -1),
|
||||
"Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
|
||||
"End": "goLineEnd", "Home": "goLineStart",
|
||||
|
||||
"Alt-V": move(byPage, -1), "Ctrl-V": move(byPage, 1),
|
||||
"PageUp": move(byPage, -1), "PageDown": move(byPage, 1),
|
||||
|
||||
"Ctrl-Up": move(byParagraph, -1), "Ctrl-Down": move(byParagraph, 1),
|
||||
|
||||
"Alt-A": move(bySentence, -1), "Alt-E": move(bySentence, 1),
|
||||
"Alt-K": function(cm) { killTo(cm, bySentence, 1, "grow"); },
|
||||
|
||||
"Ctrl-Alt-K": function(cm) { killTo(cm, byExpr, 1, "grow"); },
|
||||
"Ctrl-Alt-Backspace": function(cm) { killTo(cm, byExpr, -1, "grow"); },
|
||||
"Ctrl-Alt-F": move(byExpr, 1), "Ctrl-Alt-B": move(byExpr, -1, "grow"),
|
||||
|
||||
"Shift-Ctrl-Alt-2": function(cm) {
|
||||
var cursor = cm.getCursor();
|
||||
cm.setSelection(findEnd(cm, cursor, byExpr, 1), cursor);
|
||||
},
|
||||
"Ctrl-Alt-T": function(cm) {
|
||||
var leftStart = byExpr(cm, cm.getCursor(), -1), leftEnd = byExpr(cm, leftStart, 1);
|
||||
var rightEnd = byExpr(cm, leftEnd, 1), rightStart = byExpr(cm, rightEnd, -1);
|
||||
cm.replaceRange(cm.getRange(rightStart, rightEnd) + cm.getRange(leftEnd, rightStart) +
|
||||
cm.getRange(leftStart, leftEnd), leftStart, rightEnd);
|
||||
},
|
||||
"Ctrl-Alt-U": repeated(toEnclosingExpr),
|
||||
|
||||
"Alt-Space": function(cm) {
|
||||
var pos = cm.getCursor(), from = pos.ch, to = pos.ch, text = cm.getLine(pos.line);
|
||||
while (from && /\s/.test(text.charAt(from - 1))) --from;
|
||||
while (to < text.length && /\s/.test(text.charAt(to))) ++to;
|
||||
cm.replaceRange(" ", Pos(pos.line, from), Pos(pos.line, to));
|
||||
},
|
||||
"Ctrl-O": repeated(function(cm) { cm.replaceSelection("\n", "start"); }),
|
||||
"Ctrl-T": repeated(function(cm) {
|
||||
cm.execCommand("transposeChars");
|
||||
}),
|
||||
|
||||
"Alt-C": repeated(function(cm) {
|
||||
operateOnWord(cm, function(w) {
|
||||
var letter = w.search(/\w/);
|
||||
if (letter == -1) return w;
|
||||
return w.slice(0, letter) + w.charAt(letter).toUpperCase() + w.slice(letter + 1).toLowerCase();
|
||||
});
|
||||
}),
|
||||
"Alt-U": repeated(function(cm) {
|
||||
operateOnWord(cm, function(w) { return w.toUpperCase(); });
|
||||
}),
|
||||
"Alt-L": repeated(function(cm) {
|
||||
operateOnWord(cm, function(w) { return w.toLowerCase(); });
|
||||
}),
|
||||
|
||||
"Ctrl-W": "killRegion",
|
||||
"Ctrl-K": "killLineEmacs",
|
||||
"Alt-W": "killRingSave",
|
||||
"Ctrl-Y": "yank",
|
||||
"Alt-Y": "yankPop",
|
||||
"Ctrl-Space": "setMark",
|
||||
"Ctrl-Shift-2": "setMark",
|
||||
"Ctrl-F": "forwardChar",
|
||||
"Ctrl-B": "backwardChar",
|
||||
"Right": "forwardChar",
|
||||
"Left": "backwardChar",
|
||||
"Ctrl-D": "deleteChar",
|
||||
"Delete": "deleteForwardChar",
|
||||
"Ctrl-H": "deleteBackwardChar",
|
||||
"Backspace": "deleteBackwardChar",
|
||||
"Alt-F": "forwardWord",
|
||||
"Alt-B": "backwardWord",
|
||||
"Alt-Right": "forwardWord",
|
||||
"Alt-Left": "backwardWord",
|
||||
"Alt-D": "killWord",
|
||||
"Alt-Backspace": "backwardKillWord",
|
||||
"Ctrl-N": "nextLine",
|
||||
"Ctrl-P": "previousLine",
|
||||
"Down": "nextLine",
|
||||
"Up": "previousLine",
|
||||
"Ctrl-A": "goLineStart",
|
||||
"Ctrl-E": "goLineEnd",
|
||||
"End": "goLineEnd",
|
||||
"Home": "goLineStart",
|
||||
"Alt-V": "scrollDownCommand",
|
||||
"Ctrl-V": "scrollUpCommand",
|
||||
"PageUp": "scrollUpCommand",
|
||||
"PageDown": "scrollDownCommand",
|
||||
"Ctrl-Up": "backwardParagraph",
|
||||
"Ctrl-Down": "forwardParagraph",
|
||||
"Alt-{": "backwardParagraph",
|
||||
"Alt-}": "forwardParagraph",
|
||||
"Alt-A": "backwardSentence",
|
||||
"Alt-E": "forwardSentence",
|
||||
"Alt-K": "killSentence",
|
||||
"Ctrl-X Delete": "backwardKillSentence",
|
||||
"Ctrl-Alt-K": "killSexp",
|
||||
"Ctrl-Alt-Backspace": "backwardKillSexp",
|
||||
"Ctrl-Alt-F": "forwardSexp",
|
||||
"Ctrl-Alt-B": "backwardSexp",
|
||||
"Shift-Ctrl-Alt-2": "markSexp",
|
||||
"Ctrl-Alt-T": "transposeSexps",
|
||||
"Ctrl-Alt-U": "backwardUpList",
|
||||
"Alt-Space": "justOneSpace",
|
||||
"Ctrl-O": "openLine",
|
||||
"Ctrl-T": "transposeCharsRepeatable",
|
||||
"Alt-C": "capitalizeWord",
|
||||
"Alt-U": "upcaseWord",
|
||||
"Alt-L": "downcaseWord",
|
||||
"Alt-;": "toggleComment",
|
||||
|
||||
"Ctrl-/": repeated("undo"), "Shift-Ctrl--": repeated("undo"),
|
||||
"Ctrl-Z": repeated("undo"), "Cmd-Z": repeated("undo"),
|
||||
"Ctrl-/": "undoRepeatable",
|
||||
"Shift-Ctrl--": "undoRepeatable",
|
||||
"Ctrl-Z": "undoRepeatable",
|
||||
"Cmd-Z": "undoRepeatable",
|
||||
"Ctrl-X U": "undoRepeatable",
|
||||
"Shift-Ctrl-Z": "redo",
|
||||
"Shift-Alt-,": "goDocStart", "Shift-Alt-.": "goDocEnd",
|
||||
"Ctrl-S": "findPersistentNext", "Ctrl-R": "findPersistentPrev", "Ctrl-G": quit, "Shift-Alt-5": "replace",
|
||||
"Shift-Alt-,": "goDocStart",
|
||||
"Shift-Alt-.": "goDocEnd",
|
||||
"Ctrl-S": "findPersistentNext",
|
||||
"Ctrl-R": "findPersistentPrev",
|
||||
"Ctrl-G": "keyboardQuit",
|
||||
"Shift-Alt-5": "replace",
|
||||
"Alt-/": "autocomplete",
|
||||
"Enter": "newlineAndIndent",
|
||||
"Ctrl-J": repeated(function(cm) { cm.replaceSelection("\n", "end"); }),
|
||||
"Ctrl-J": "newline",
|
||||
"Tab": "indentAuto",
|
||||
|
||||
"Alt-G G": function(cm) {
|
||||
var prefix = getPrefix(cm, true);
|
||||
if (prefix != null && prefix > 0) return cm.setCursor(prefix - 1);
|
||||
|
||||
getInput(cm, "Goto line", function(str) {
|
||||
var num;
|
||||
if (str && !isNaN(num = Number(str)) && num == (num|0) && num > 0)
|
||||
cm.setCursor(num - 1);
|
||||
});
|
||||
},
|
||||
|
||||
"Ctrl-X Tab": function(cm) {
|
||||
cm.indentSelection(getPrefix(cm, true) || cm.getOption("indentUnit"));
|
||||
},
|
||||
"Ctrl-X Ctrl-X": function(cm) {
|
||||
cm.setSelection(cm.getCursor("head"), cm.getCursor("anchor"));
|
||||
},
|
||||
"Alt-G G": "gotoLine",
|
||||
"Ctrl-X Tab": "indentRigidly",
|
||||
"Ctrl-X Ctrl-X": "exchangePointAndMark",
|
||||
"Ctrl-X Ctrl-S": "save",
|
||||
"Ctrl-X Ctrl-W": "save",
|
||||
"Ctrl-X S": "saveAll",
|
||||
"Ctrl-X F": "open",
|
||||
"Ctrl-X U": repeated("undo"),
|
||||
"Ctrl-X K": "close",
|
||||
"Ctrl-X Delete": function(cm) { kill(cm, cm.getCursor(), bySentence(cm, cm.getCursor(), 1), "grow"); },
|
||||
"Ctrl-X H": "selectAll",
|
||||
|
||||
"Ctrl-Q Tab": repeated("insertTab"),
|
||||
"Ctrl-U": addPrefixMap,
|
||||
"Ctrl-Q Tab": "quotedInsertTab",
|
||||
"Ctrl-U": "universalArgument",
|
||||
"fallthrough": "default"
|
||||
});
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue