Inside Macintosh: Mac OS 8 Toolbox Reference /

Chapter 5 - Menu Manager Reference / Menu Manager Types and Constants

Modifier Key Mask Constants

NEW WITH THE APPEARANCE MANAGER

You can use one or more of these mask constants in the modifier keys field of the 'xmnu' resource to determine which modifier key(s) must be pressed along with a character key to create a keyboard equivalent for selecting a menu item. These constants are also passed in and obtained by SetMenuItemModifiers and GetMenuItemModifiers, respectively.

enum {
   kMenuCommandModifiers  = 0,         
   kMenuShiftModifier     = (1 << 0),  
   kMenuOptionModifier    = (1 << 1),  
   kMenuControlModifier   = (1 << 2),  
   kMenuNoCommandModifier = (1 << 3)  
};

Constant descriptions

kMenuCommandModifiers

If no bit is set, only the Command key is used in the keyboard equivalent.

kMenuShiftModifier

If this bit (bit 0) is set, the Shift key is used in the keyboard equivalent.

kMenuOptionModifier

If this bit (bit 1) is set, the Option key is used in the keyboard equivalent.

kMenuControlModifier

If this bit (bit 2) is set, the Control key is used in the keyboard equivalent.

kMenuNoCommandModifier

If this bit (bit 3) is set, the Command key is not used in the keyboard equivalent.