Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
source/MyKeys.c
/* |
File: MyKeys.c |
Description:Functions for dealing with keyboard input. |
Author: MC |
Copyright: © Copyright 1999-2000 Apple Computer, Inc. All rights reserved. |
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Change History (most recent first): |
*/ |
#define TARGET_API_MAC_CARBON 1 |
#include <Script.h> |
#include "MyKeys.h" |
#include "MyMenus.h" |
#include "WindowCode.h" |
extern Boolean gStop; |
OSErr HandleKeys (EventRecord *eventPtr) { |
OSErr err; |
err = noErr; |
// Did they have the command key down while pressing a key? |
// Yes, so process it as a menu selection or command-period |
if (eventPtr->modifiers & cmdKey) { |
if (IsCmdChar (eventPtr, '.')) { |
gStop = true; |
} else { |
UInt8 ch = (UInt8)(eventPtr->message & charCodeMask); |
if (eventPtr->modifiers & optionKey) { |
UInt32 state = 0; |
// UInt32 kchrPtr; |
// Call script manager to get pointer to current KCHR resource for KeyTranslate |
// so that it can translate the 'option-key' back to just 'key' for MenuKey. |
// kchrPtr = GetScriptManagerVariable (smKCHRCache); |
ch = (UInt8)KeyTranslate ((void*)GetScriptManagerVariable (smKCHRCache), (UInt16)((eventPtr->message & keyCodeMask) >> 8), &state); |
} |
err = DispatchMenuChoice (MenuKey (ch)); |
} |
} else { |
// command key is not down, so process it as a regular key |
switch (eventPtr->message & charCodeMask) { |
case kEscapeCharCode: |
gStop = true; |
break; |
case kBackspaceCharCode: |
case kDeleteCharCode: |
err = MoveFrontWindowFileToTrash (); |
break; |
} |
} |
return err; |
} |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-01-14