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javauser-interfacebarcodebarcode-scannernetbeans-8

focusing on a textfield in a panel which is in a tabbed pane that contains many panels

I am working on a barcode application which has in its main GUI a tabbed pane that contains many panels where one of this panels is for the cashier, the problem is that when the cashier panel is displayed i need to always set focus on the textfield where the barcode must be inserted. requestFocusInWindow() or requestFocus() does not work since I am in the same jframe and in the same jTabbedPane but i am choosing panels inside this tabbedpane what i need is when i move to a specific panel which is "cashier panel" is always to set focus on a certain textfield thanks.

Solution 
  • private void MainTabbedPaneStateChanged(javax.swing.event.ChangeEvent evt) {

        if(CashierPanel.isShowing()){
            Barcode_txt.requestFocus();
        }       
    }