This is DragView.h in view mode; [Download] [Up]
//====================================================================== // // Portions written by FreemanSoft Inc. // // FreemanSoft disclaims any warranty of any kind, expressed or implied, // as to this source code's fitness for any particular use. // // For more information, use the following electronic mail addresses: // // info@FreemanSoft.com general questions // support@FreemanSoft.com technical questions // //====================================================================== /* * DragView * Written by * Joe Freeman jfreeman@next.com * * This code has no warranty. * It is provided so that the consumer may maintain and modify it * at their own risk. Use this code at your own risk. */ #import <appkit/View.h> @interface DragView:View { id delegate; NXImage *proposedImage; /* holds the proposed icon */ NXImage *currentImage; /* holds the current icon */ /* just for fun, record number of times */ int exit_count; /* the user dragged stuff in and out. */ } - setDelegate:anObject; /*======================================================================== * notifies workspace to slide browser to that points *========================================================================*/ - mouseDown:(NXEvent *)theEvent; /*======================================================================== * *========================================================================*/ - (NXDragOperation) draggingEntered:sender; - draggingExited:(id <NXDraggingInfo>)sender; - (BOOL)prepareForDragOperation:(id <NXDraggingInfo>)sender; /*======================================================================== * so someone can programaticly tell to grab an icon for a specific file *========================================================================*/ - useIconForFile:(char *)aFullFilePath; /*======================================================================== * * we suppor the notion of a current image and a proposed * that way we can flash a new icon but still get back to the * old when if the operation fails (user drags out or wrong type file) * *========================================================================*/ /* does not free previous proposed */ - proposedImage:theImage; /* make passed in icon, the proposed icon */ /* frees old current NXImage */ - currentImage:theImage ; /* make passed in icon, the current icon */ - (NXImage *)currentImage; - abortProposedImage:sender; /* proposed icon not accepted use current */ - acceptProposedImage:sender; /* make the proposed icon the currentImage */ - clearCurrentImage:sender; /* we don't want an icon any more */ @end @interface DragViewDelegate:Object { } - iconEntered:where; /* so window title is cute */ - iconBogus:where; /* was determined to be invalid */ - iconLeft:where; /* so window title is cute */ - iconDropped:where; /* so window title is cute */ - (BOOL) isFilePBValid:(Pasteboard *)aPB forView:sender; - (BOOL) acceptedFilePB:(Pasteboard *)pboard forView:sender; - userClicked:(int)numTimes at:(NXPoint *)clickPoint inDragView:sender; @end
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