Inside Macintosh: More Macintosh Toolbox /

Chapter 2 - Scrap Manager

Using the Scrap Manager

This section explains how you can use the Scrap Manager to support copy-and-paste operations in your application. In particular, this section explains how you can

• get information about the current contents of the scrap
• handle the Cut and Copy commands
• respond to suspend events
• handle the Paste command
• respond to resume events
• use TextEdit to support the editing commands
• support copying and pasting of data in dialog boxes

The Scrap Manager uses the services of the Translation Manager (if it's available). To determine whether the Scrap Manager can use the Translation Manager, call the Gestalt function with the gestaltScrapMgrAttr selector and check
the value of the response parameter. If the bit indicated by the constant gestaltScrapMgrTranslationAware is set, then the Scrap Manager uses the Translation Manager when needed to translate scrap format types.

CONST
gestaltScrapMgrAttr              = 'scra';{Gestalt selector for }
                                          { Scrap Mgr attributes}
gestaltScrapMgrTranslationAware  = 0;     {check this bit in the }
                                          { response parameter }

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Subtopics

Getting Information About the Scrap

Putting Data in the Scrap

Getting Data From the Scrap

Converting Data Between a Private Scrap and the Scrap

Converting Data Between the TextEdit Scrap and the Scrap

Handling Editing Operations in Dialog Boxes