Legacy Document
Important: The information in this document is obsolete and should not be used for new development.
Important: The information in this document is obsolete and should not be used for new development.
Chapter 8 -
This chapter describes MacApp's facilities for displaying, manipulating, and printing data. It also describes how MacApp manipulates the cursor image and responds to a user's actions with the mouse.
Displaying, Manipulating, and Printing Data
Chapter Contents
- Overview
- Basic View Technology
- 32-Bit Coordinate Space
- Frame Size/Location
- View Hierarchies
- The TDrawingEnvironment Class
- Drawing a View's Contents
- Focusing
- Adorners
- MacApp's Adorner Classes
- How a View's Adorners Are Drawn
- Adorner Priorities
- Highlighting in a View
- Highlighting and Selection Adorners
- Highlighting States
- Specifying Views With View Resource Templates
- The TViewServer Class
- Registering View Classes
- Scrolling
- Autoscrolling
- Synchronized Scrolling
- Cursor Handling
- The Cursor Region
- Tracking the Cursor
- Setting the Cursor Image for a View
- Busy Cursor Handling
- Default Busy Cursor Behavior
- Modifying Busy Cursor Behavior
- Mouse Handling
- Which Objects Can Handle a Mouse Event
- Dispatching Mouse Events
- Creating a Command to Handle a Mouse Event
- Selecting With the Mouse
- Dragging With the Mouse
- Drawing With the Mouse
- The Tracking Sequence
- The TrackConstrain Method
- The TrackFeedback Method
- The TrackMouse Method
- Undoing Drawing
- Printing
- Print-Handling Classes
- Recordable Printing
- Creating Views for Displaying and Printing
- Behind the Scenes
- Initialization
- Page Setup
- Different Setups Required for Print Commands
- Overview of a Print Job
- Page Printing
- Page Definition Areas
- Customizing the Page
- Page Strips and Page Breaks
- Screen Feedback
- Dialog Boxes and Controls
- Modal Versus Modeless Dialog Boxes
- Creating a Dialog Box
- Displaying a Modal Dialog
- Adding Controls to Dialog Boxes
- Control View Classes
- Control Object Events
- Tabbing Between Views
- Validating Dialog-Box Data
- Validating Data When a User Changes Fields in a Dialog Box
- Validating Data When a User Accepts Changes to a Dialog Box
- Editing Text
- The TDialogTEView Class
- Editing With TEditText Objects
- Installing a TDialogTEView Object for the Current View
- Gridviews