Setting a minimum size for a GUI object in Dyalog APL

Question

Is there a way to specify a minimum size for e.g. a window created with 'F'⎕WC'Form' so that I can resize the window but not make it smaller than a certain size?

Silas · Accepted Answer · 2025-03-29 22:03:12Z

1

I think the best approach is to create a Configure event callback which rejects sizes that are smaller than you want.

e.g.

      'f' ⎕wc 'form' ('event' 'configure' 'onconfig')
      ⎕cr 'onconfig'
 r←onconfig W   
 ⎕←W            
 :If W[5]<10    
 :OrIf W[6]<20  
     r←0        
 :Else          
     r←1        
 :EndIf

This onconfig callback will reject the Configure event by returning 0 if W[5] < 10 or W[6] < 20.

W[5] is Height and W[6] is Width

⎕IO is 1

Regards,

Vince

edited Mar 29 at 22:03

Silas

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answered Mar 28 at 10:34

Dyalog Limited

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