Index Parent

Numericbutton class

 

The Numericbutton class is used to create numeric buttons objects.

 

See MakeObj()

 

ATTRIBUTES
Name Type Class Note
CheckAllSize B ISGN  
Default N ISGN  
Max N ISGN  
Min N ISGN  
Reverse B ISGN  
RevLeftRight B ISGN  
RevUpDown B ISGN  
Stringify S I  
Value N ISGN  

 

Stringify:
At Init time you can define a stringify-macro in this attribute: anytime the Numericbutton feels it should draw itself, that macro is called with one argument: the current Value of the Numericbutton. The result of the macro is used as label for the object. If the macro fails or it returns an empty string or it returns nothing at all, the Value itself is used.
The macro must be an ARexx in-line-string-macro designed to be very fast.
A simple example is 

nb.Stringify = "parse arg val;return 'Value is:" val"
READ THIS: YOU CANNOT USE ANY FUNCTION OR SET ANY ATTRIBUTE OR DO ANYTHING THAT MAIGHT LOCK THE LAYERS INSIDE STRINGIFY (E.G. YOU CANNOT OPEN WINDOWS, OPEN REQUESTERS OR EVEN SAY THERE!).

Format:
This is a string that defines the format of the button label.
Rules:

  1. The size of the string may be max 31 chars long
  2. The string may contain just one %ld (%lx)
  3. The string may contain any number of %%
  4. The string can't contain any %s
  5. If Stringify is present, it is used
  6. If Format is present, it is used
  7. If neither Stringify and Format are present, %ld is used

 

METHODS
Name Parameters Note
Decrease <delta/>  
Increase <delta/N>  
SetDefault <value/N>  
StringToValue <scalemin/N><scalemax/N><scale/N>  
ValueToString <min/N><max/N>