mirror of https://github.com/bsnes-emu/bsnes.git
52 lines
2.3 KiB
C
52 lines
2.3 KiB
C
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//
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// HFPasteboardOwner.h
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// HexFiend_2
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//
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// Copyright 2008 ridiculous_fish. All rights reserved.
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//
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#import <Cocoa/Cocoa.h>
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@class HFByteArray;
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extern NSString *const HFPrivateByteArrayPboardType;
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@interface HFPasteboardOwner : NSObject {
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@private
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HFByteArray *byteArray;
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NSPasteboard *pasteboard; //not retained
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unsigned long long dataAmountToCopy;
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NSUInteger bytesPerLine;
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BOOL retainedSelfOnBehalfOfPboard;
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BOOL backgroundCopyOperationFinished;
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BOOL didStartModalSessionForBackgroundCopyOperation;
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}
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/* Creates an HFPasteboardOwner to own the given pasteboard with the given types. Note that the NSPasteboard retains its owner. */
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+ (id)ownPasteboard:(NSPasteboard *)pboard forByteArray:(HFByteArray *)array withTypes:(NSArray *)types;
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- (HFByteArray *)byteArray;
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/* Performs a copy to pasteboard with progress reporting. This must be overridden if you support types other than the private pboard type. */
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- (void)writeDataInBackgroundToPasteboard:(NSPasteboard *)pboard ofLength:(unsigned long long)length forType:(NSString *)type trackingProgress:(id)tracker;
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/* NSPasteboard delegate methods, declared here to indicate that subclasses should call super */
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- (void)pasteboard:(NSPasteboard *)sender provideDataForType:(NSString *)type;
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- (void)pasteboardChangedOwner:(NSPasteboard *)pboard;
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/* Useful property that several pasteboard types want to know */
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@property (nonatomic) NSUInteger bytesPerLine;
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/* For efficiency, Hex Fiend writes pointers to HFByteArrays into pasteboards. In the case that the user quits and relaunches Hex Fiend, we don't want to read a pointer from the old process, so each process we generate a UUID. This is constant for the lifetime of the process. */
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+ (NSString *)uuid;
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/* Unpacks a byte array from a pasteboard, preferring HFPrivateByteArrayPboardType */
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+ (HFByteArray *)unpackByteArrayFromPasteboard:(NSPasteboard *)pasteboard;
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/* Used to handle the case where copying data will require a lot of memory and give the user a chance to confirm. */
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- (unsigned long long)amountToCopyForDataLength:(unsigned long long)numBytes stringLength:(unsigned long long)stringLength;
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/* Must be overridden to return the length of a string containing this number of bytes. */
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- (unsigned long long)stringLengthForDataLength:(unsigned long long)dataLength;
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@end
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