Brmbar v3: Support for simple GUI

All the CLI functionality implemented in the GUI.

brmbar3/brmbar-gui-qt4/BarcodeInput.qml

@@ -0,0 +1,18 @@
+// import QtQuick 1.0 // to target S60 5th Edition or Maemo 5
+import QtQuick 1.1
+
+TextInput {
+    id: barcode
+    x: 433
+    y: 65
+    width: 80
+    height: 100
+    color: "#ff6464"
+    text: ""
+    transformOrigin: Item.Center
+    visible: true
+    opacity: 0
+    font.pixelSize: 12
+    focus: true
+    validator: RegExpValidator { regExp: /..*/ } /* non-empty strings; barcode readers send empty lines, ignore these */
+}