brmbar v3: Add support for numpad touch entry, use in charge and withdrawal screens

brmbar3/brmbar-gui-qt4/BarKeyboard.qml

@@ -0,0 +1,39 @@
+import Qt 4.7
+
+Grid {
+    property string keys: ""
+    property int gridRows: 0
+    property int gridColumns: 0
+    property int buttonWidth: 70
+    property int buttonHeight: 70
+
+    property bool shift: false
+
+    signal letterBackspace()
+    signal letterEntered(string letter)
+
+    rows: gridRows
+    columns: gridColumns
+    spacing: 1
+
+    Repeater {
+        model: keys.length
+        BarButton {
+	    width: buttonWidth; height: buttonHeight
+	    property string key: keys.charAt(index)
+	    property bool special: key == "^" || key == "<"
+
+            text: key == "^" ? "shift" : key == "<" ? "bksp" : shift ? key.toUpperCase() : key
+            fontSize: special ? 20 : 44
+
+            onButtonClick: {
+		if (key == "^")
+		    shift = !shift
+		else if (key == "<")
+		    letterBackspace()
+		else
+		    letterEntered(key)
+            }
+        }
+    }
+}