X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/a0208e056389c8d9d21f9b0d8bf093e087809b21..a401632a210413c3a4f0237c8fd8986bdf45934c:/keys.js

diff --git a/keys.js b/keys.js
index d891b52..5dbfb10 100644
--- a/keys.js
+++ b/keys.js
@@ -23,3 +23,30 @@ function setmode(classname) {
 	}
 }
 
+var keyfocus = undefined;
+document.onkeypress = function(e) {
+	var keylabels = document.getElementById('rows').getElementsByTagName('B');
+	var keys = {};
+	for (var i = 0; i < keylabels.length; i++) {
+		keys[keylabels[i].innerHTML] = keylabels[i].parentNode;
+	}
+	var input = e.charCode || e.keyCode;
+	for (var i = 0; i < keylabels.length; i++) {
+		var key = keylabels[i].parentNode;
+		var keychar = key.className.match(/ chr(\d+)$/);
+		if (!keychar) continue; // not enterable
+		keychar = keychar[1];
+		if (keychar != input) continue; // different key
+		var keymod = key.parentNode.className;
+		if ((keymod.search(/\bctrl\b/) != -1) != e.ctrlKey) continue; // modifier mismatch
+		if ((keymod.search(/\bmeta\b/) != -1) != e.altKey) continue;
+		var row = key.parentNode.parentNode;
+		var shown = row.style.display != 'none';
+		if (!shown) continue; // foreign mode
+		if (keyfocus) keyfocus.style.outline = '';
+		key.style.outline = '1px solid red';
+		keyfocus = key;
+		if (key.onclick) key.onclick();
+		return false;
+	}
+}