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