md-editor fixes

copyparty/web/md2.css

@@ -36,6 +36,11 @@
 	width: 55em;
 	width: min(55em, calc(100% - 2em));
 }
+#mtw.single.editor,
+#mw.single.editor {
+	width: calc(100% - 1em);
+	left: .5em;
+}
 
 
 #mp {

copyparty/web/md2.js

@@ -509,6 +509,19 @@ function setsel(s) {
 }
 
 
+// cut/copy current line
+function md_cut() {
+    var s = linebounds();
+    if (s.car != s.cdr)
+        return;
+
+    dom_src.setSelectionRange(s.n1, s.n2 + 1, 'forward');
+    setTimeout(function () {
+        dom_src.setSelectionRange(s.n1, s.n1, 'forward');
+    }, 1);
+}
+
+
 // indent/dedent
 function md_indent(dedent) {
     var s = getsel(),
@@ -955,6 +968,10 @@ var set_lno = (function () {
                 md_p_jump(dn);
                 return false;
             }
+            if (ev.code == "KeyX" || ev.code == "KeyC") {
+                md_cut();
+                return true; //sic
+            }
         }
         else {
             if (ev.code == "Tab" || kc == 9) {