Let source and target text input be editable and set source path to target

Signed-off-by: Rodrigo Belem <rodrigo.belem@gmail.com>
More code style adjustments.

Signed-off-by: Rodrigo Belem <rodrigo.belem@gmail.com>
Merge pull request #9 from rbelem/textinput

Let source and target text input be editable and set source path to target