Illustrates a number of techniques that can be used for providing convenient and easy to use scrolling facilities in your application's windows.
Scrolling techniques illustrated include:
- implementing live scrolling scroll bars,
- drawing proportional scroll bars,
- using the hand cursor for scrolling allowing users to 'virtually' grab a window's contents and drag it around with the mouse.
- scrolling using the keyboard.
Other interesting techniques illustrated include:
- Setting the cursor and handling mouse moved events for various regions of the screen,
- Optimizing drawing performance by limiting drawing operations to those ones that will have a visual effect on the screen (This can dramatically improve the speed of drawing during scrolling operations).
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Change History (most recent first):
Tue, Feb 8, 2000 -- created
Files:
':HandySample.prj Data:' - CodeWarrior project data
:obj: - compiled object files
HandySample - the compiled application.
HandySample.c - the main program and event dispatching code for the program.
HandySample.h - prototypes for routines defined in HandySample.c.
HandySample.prj - CodeWarrior project file.
HandySample.r - MPW Rez file for the program.
HandySample.rsrc - ResEdit resource file containing resources used in the program.
MakeFile - MPW make file for building the program.
ReadMe - see ReadMe.
HandyWindow.c - Routines implementing the windows displayed by the program.
HandyWindow.h - prototypes for routines defined in HandyWindow.c.
SampleUtils.c - utility routines set aside to simplify the example.
SampleUtils.h - prototypes for routines defined in SampleUtils.c.
