XmTextFieldPosToXY accesses the x and y position, relative to the upper left corner of the TextField
widget, of a given character position in the text buffer.
widget Specifies the TextField widget ID
position Specifies the character position in the text for which the x and y position is accessed. This
is an integer number of characters from the beginning of the buffer. The first character
position is 0.
x Specifies the pointer in which the x position is returned. The returned position is the
distance from the left side of the widget to the left border of the character. This value is
meaningful only if the function returns True.
y Specifies the pointer in which the y position is returned. The returned position is the
distance from the top of the widget to the character's baseline. This value is meaningful only
if the function returns True.
For a complete definition of TextField and its associated resources, see XmTextField(3).