In this article we will see how we can set different border width to the line edit part of the combo box when mouse hover over the line edit part, line edit is the part of combo box which displays the selected item, it is editable by nature. In order to set and access the line edit object we use
setLineEdit and lineEdit method respectively.
In order to do this we have to do the following :
1. Create a combo box
2. Add item to the combo box
3. Create a QLineEdit object
4. Set border to the QLineEdit object
5. Set border with different width when mouse hover over it
6. Add QLineEdit object to the combo box
Below is the implementation
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