Rtl: The alignment is totally in mess

Precondition:
rtl.qml import QtQuick1.0

Reproduction Steps:
1. execute rtl.qml using qmlviewer
2. press the Implicit alignment then change Left alignment, then Right alignment, then Center alignment.
3. abserve the alignment of the text in "right-to-left text" of three different elements.

Expected Results:
1.when the indicator is "Implicit alignment",the text in "right-to-left text" of three different elements are aligned to Right;
2.when the indicator is "Left alignment",the text in "right-to-left text" of three different elements are aligned to Left;
3.when the indicator is "Right alignment",the text in "right-to-left text" of three different elements are aligned to Right;
3.when the indicator is "Justify alignment",the text in "right-to-left text" of "Text"&"TextEdit" elements are aligned to Right;

Actual results:
1.when the indicator is "Implicit alignment",the text in "right-to-left text" of "Text"&"TextInput" elements are aligned to Left;
2.when the indicator is "Left alignment",the text in "right-to-left text" of "TextEdit" element is aligned to Right;
3.when the indicator is "Right alignment",the text in "right-to-left text" of "TextEdit" element is aligned to Left;
4.when the indicator is "Justify alignment",the text in "right-to-left text" of "Text" element is aligned to Left;