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show crosshair cursor when alt is pressed

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nightwing 2012-04-13 22:14:45 +04:00
commit 6a781ad9d3
1 changed files with 27 additions and 0 deletions
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27
lib/ace/multi_select.js
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@ -623,6 +623,33 @@ function MultiSelect(editor) {
editor.on("mousedown", onMouseDown);
editor.commands.addCommands(exports.commands.defaultCommands);
addAltCursorListeners(editor);
}
function addAltCursorListeners(editor){
var el = editor.textInput.getElement();
var altCursor = false;
var contentEl = editor.renderer.content;
el.addEventListener("keydown", function(e) {
if (e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey)) {
if (!altCursor) {
contentEl.style.cursor = "crosshair";
altCursor = true;
}
} else if (altCursor) {
contentEl.style.cursor = "";
}
});
el.addEventListener("keyup", reset);
el.addEventListener("blur", reset);
function reset() {
if (altCursor) {
contentEl.style.cursor = "";
altCursor = false;
}
}
}
exports.MultiSelect = MultiSelect;