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Programming With the Mac OS 8.5 Window Manager

Window Attribute Constants

The WindowAttributes enumeration defines masks your application can use to set or test window feature bits. You can use these masks with the function CreateNewWindow to set window feature bits, thereby defining a window's attributes. You can also use these masks to test the window feature bits produced by the function GetWindowAttributes , thereby obtaining a window's attributes.

enum {
    kWindowNoAttributes                         =   0L,
    kWindowCloseBoxAttribute                    =   (1L << 0),
    kWindowHorizontalZoomAttribute              =   (1L << 1),
    kWindowVerticalZoomAttribute                =   (1L << 2),
    kWindowFullZoomAttribute                    =   (kWindowVerticalZoomAttribute |
                                                    kWindowHorizontalZoomAttribute),
    kWindowCollapseBoxAttribute                 =   (1L << 3),
    kWindowResizeableAttribute                  =   (1L << 4),
    kWindowSideTitlebarAttribute                =   (1L << 5),
    kWindowNoUpdatesAttribute                   =   (1L << 16),
    kWindowNoActivatesAttribute                 =   (1L << 17),
    kWindowStandardDocumentAttributes           =   (kWindowCloseBoxAttribute |
                                                    kWindowFullZoomAttribute |
                                                    kWindowCollapseBoxAttribute |
                                                    kWindowResizeableAttribute),
    kWindowStandardFloatingAttributes           =   (kWindowCloseBoxAttribute |
                                                    kWindowCollapseBoxAttribute)
};
typedef UInt32 WindowAttributes;

Constant descriptions

kWindowNoAttributes
If no bits are set, the window has none of the following attributes.
kWindowCloseBoxAttribute
If the bit specified by this mask is set, the window has a close box.
kWindowHorizontalZoomAttribute
If the bit specified by this mask is set, the window has a horizontal zoom box.
kWindowVerticalZoomAttribute
If the bit specified by this mask is set, the window has a vertical zoom box.
kWindowFullZoomAttribute
If the bits specified by this mask are set, the window has a full--horizontal and vertical--zoom box.
kWindowCollapseBoxAttribute
If the bit specified by this mask is set, the window has a collapse box.
kWindowResizeableAttribute
If the bit specified by this mask is set, the window has a size box.
kWindowSideTitlebarAttribute
If the bit specified by this mask is set, the window has a side title bar. This attribute may be applied only to floating windows, that is, those windows assigned the window class constant kFloatingWindowClass . See Window Class Constants for a description of this constant.
kWindowNoUpdatesAttribute
If the bit specified by this mask is set, the window does not receive update events.
kWindowNoActivatesAttribute
If the bit specified by this mask is set, the window does not receive activate events.
kWindowStandardDocumentAttributes
If the bits specified by this mask are set, the window has the attributes of a standard document window--that is, a close box, full zoom box, collapse box, and size box.
kWindowStandardFloatingAttributes
If the bits specified by this mask are set, the window has the attributes of a standard floating window--that is, a close box and collapse box.
© 1999 Apple Computer, Inc. – (Last Updated 18 March 99)