Newton Developer Technical Information: Newton Programmer's Guide: 2.1 OS Addendum /

Chapter 3 - Word Processing Views / Word Processing View Reference

Protos / protoTXView

PointToChar

protoTXView:PointToChar(point)

Returns a range frame for the character at the specified point.

point

A frame containing two slots:

x The horizontal coordinate, as a global coordinate value, relative to the top-left of the screen.

y The vertical coordinate, as a global coordinate value, relative to the top-left of the screen.

return value

The *PointToChar method returns a range frame for the character at the specified point. Range frames are described in "The Range Frame".

DISCUSSION

The values of the slots in the returned range frame are as follows:

• If point is inside of a text run, the 'first and 'last slots have the same value.
• If point is inside of a graphics run, the value of the 'last slot is 1 greater than the value of the 'first slot.