Views

About Views

View Compatibility

3

The following new functionality has been added for the 2.0 release of Newton
System Software. See the Newton Programmer's Reference for complete
descriptions on each new function and method.

New Drag and Drop API

3

A drag and drop API has been added. This API now lets users drag a view, or part
of a view, and drop it into another view. See "Dragging and Dropping with Views"
(page 3-40) for details.

New Functions and Methods

3

The following functions and methods have been added.

AsyncConfirm

creates and displays a slip that the user must dismiss before

continuing.

ButtonToggleScript

lets the application perform special handling when its

icon is tapped in the Extras Drawer.

DirtyBox

marks a portion of a view (or views) as needing redrawing.

GetDrawBox

returns the bounds of the area on the screen that needs redrawing.

GlobalOuterBox

returns the rectangle, in global coordinates, of the specified

view, including any frame that is drawn around the view.

ModalConfirm

creates and displays a slip.

MoveBehind

moves a view behind another view, redrawing the screen as

appropriate.

StdButtonWidth

returns the size that a button needs to be in order to fit some

specified text.

New Messages

3

The following messages have been added.

ReorientToScreen

is sent to each child of the root view when the screen

orientation is changed.

ViewPostQuitScript

is sent to a view following the

ViewQuitScript

message and after all of the view's child views have been destroyed.