Expose cursorRectangle for TextField & TextArea

Change-Id: I15ebfcb96e092c7deda647509ddd2aa67303b53d
Reviewed-by: Caroline Chao <caroline.chao@digia.com>
Reviewed-by: Liang Qi <liang.qi@digia.com>

src/controls/TextArea.qml

@@ -132,6 +132,14 @@ ScrollView {
     */
     property alias cursorPosition: edit.cursorPosition
 
+    /*!
+        \qmlproperty rect TextArea::cursorRectangle
+        \since QtQuick.Controls 1.3
+
+        The rectangle where the text cursor is rendered within the text area.
+    */
+    readonly property alias cursorRectangle: edit.cursorRectangle
+
     /*! \qmlproperty font TextArea::font
 
         The font of the TextArea.

src/controls/TextField.qml

@@ -128,6 +128,14 @@ Control {
     */
     property alias cursorPosition: textInput.cursorPosition
 
+    /*!
+        \qmlproperty rect TextField::cursorRectangle
+        \since QtQuick.Controls 1.3
+
+        The rectangle where the text cursor is rendered within the text field.
+    */
+    readonly property alias cursorRectangle: textInput.cursorRectangle
+
     /*!
        \qmlproperty string TextField::displayText