Fix some IE8 problems with the right-click menu

Author: marijnh

lib/codemirror.js

@@ -84,7 +84,7 @@ var CodeMirror = (function() {
     // Gecko browsers fire contextmenu *after* opening the menu, at
     // which point we can't mess with it anymore. Context menu is
     // handled in onMouseDown for Gecko.
-    if (!gecko) connect(scroller, "contextmenu", operation(onContextMenu));
+    if (!gecko) connect(scroller, "contextmenu", onContextMenu);
     connect(code, "dblclick", operation(onDblClick));
     connect(scroller, "scroll", function() {updateDisplay([]); if (options.onScroll) options.onScroll(instance);});
     connect(window, "resize", function() {updateDisplay(true);});
@@ -1162,18 +1162,21 @@ var CodeMirror = (function() {
       var pos = posFromMouse(e);
       if (!pos || window.opera) return; // Opera is difficult.
       if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))
-        setCursor(pos.line, pos.ch);
+        operation(setCursor)(pos.line, pos.ch);
 
       var oldCSS = input.style.cssText;
+      inputDiv.style.position = "absolute";
       input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.pageY() - 1) +
         "px; left: " + (e.pageX() - 1) + "px; z-index: 1000; background: white; " +
-        "border-width: 0; outline: none; overflow: hidden; opacity: .05;";
+        "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
       var val = input.value = getSelection();
       focusInput();
       setSelRange(input, 0, input.value.length);
       leaveInputAlone = true;
       function rehide() {
-        if (input.value != val) operation(replaceSelection)(input.value, "end");
+        var newVal = splitLines(input.value).join("\n");
+        if (newVal != val) operation(replaceSelection)(newVal, "end");
+        inputDiv.style.position = "relative";
         input.style.cssText = oldCSS;
         leaveInputAlone = false;
         prepareInput();