John W. Campbell
An interface for objects which have highlight handler for a graphics window
object.
Interface and methods:
Class Details
Accessible Fields
Interface Methods
- Package:
- Jdl.JdlView;
- Class name:
- JdlGraphicsWindowHighlightHandler
- Class definition:
- public interface JdlGraphicsWindowHighlightHandler
- Extends:
- Object
- Implements:
- none
- Actions:
- none
No fields with public, package or protected access defined.
This section contains the methods which must be implemented for the interface.
Methods:
Highlight processing - processGraphicsHighlight
A method to react to the highlighting or un-highlighting of a cell and perform
any processing required.
- Method Definition:
- public void processGraphicsHighlight(int numc, int xmin, int ymin, int xmax, int ymax, Graphics g, boolean highlight)
- Parameters List:
- numc
- The user defined cell number (if >0) or -1 if highlighted overlay
character/symbol/cell-image or -2 if highlighted scrollable screen
character/symbol/cell-image. If -1 or -2 then identify cell from the
row and column offsets.
- irow_offset
- Cell row offset if numc is -1 or -2 (top cell of character
or symbol).
- icol_offset
- Cell column offset if numc is -1 or -2 (top cell of
character or symbol).
- highlight
- The cell has been highlighted (true) or un-highlighted
(false).
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