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SELECTION-SCREEN FUNCTION KEY N

There’s so many things you can do on the selection screen. Here’s another one: five buttons in the toolbar.

In order to use them you need to:

  • declare a special structure called SSCRFIELDS;
  • fill in its fields FUNCTXT_01 to 05 with the button texts;
  • Declare which buttons you want to show using command SELECTION-SCREEN FUNCTION KEY N (N being a integer from 1 to 5);
  • Use SSCRFIELDS-UCOMM in AT SELECTION-SCREEN to know which button was clicked.

Here’s an example:


REPORT zvirus.

TABLES sscrfields.

SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME.
PARAMETERS: p_matnr TYPE matnr.
SELECTION-SCREEN: FUNCTION KEY 1,
                  FUNCTION KEY 2,
                  FUNCTION KEY 3.
SELECTION-SCREEN END OF BLOCK b1.

initialization.
    sscrfields-functxt_01 = 'COVID-19'.
    sscrfields-functxt_02 = 'Bird flu'.
    sscrfields-functxt_03 = 'Spanish flu'.

AT SELECTION-SCREEN.
  CASE sscrfields-ucomm.
    WHEN'FC01'.
      p_matnr = 'SARS-COV-2'.
    WHEN 'FC02'.
      p_matnr = 'H5N1'.
    WHEN 'FC03'.
      p_matnr = 'H1N1'.
  ENDCASE.

And here’s the result:

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