deskflow/src/lib/platform/OSXDragView.m

/*
 * Deskflow -- mouse and keyboard sharing utility
 * SPDX-FileCopyrightText: (C) 2013 - 2016 Symless Ltd.
 * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
 */

#import "platform/OSXDragView.h"

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#pragma clang diagnostic ignored "-Wobjc-protocol-property-synthesis"
#pragma clang diagnostic ignored "-Wprotocol"

@implementation OSXDragView

@dynamic draggingFormation;
@dynamic animatesToDestination;
@dynamic numberOfValidItemsForDrop;

- (id)initWithFrame:(NSRect)frame
{
  self = [super initWithFrame:frame];
  m_dropTarget = [[NSMutableString alloc] initWithCapacity:0];
  m_dragFileExt = [[NSMutableString alloc] initWithCapacity:0];
  return self;
}

- (void)drawRect:(NSRect)dirtyRect
{
}

- (BOOL)acceptsFirstMouse:(NSEvent *)theEvent
{
  return YES;
}

- (void)mouseDown:(NSEvent *)theEvent
{
  NSLog(@"cocoa mouse down");
  NSPoint dragPosition;
  NSRect imageLocation;
  dragPosition = [self convertPoint:[theEvent locationInWindow] fromView:nil];

  dragPosition.x -= 16;
  dragPosition.y -= 16;
  imageLocation.origin = dragPosition;
  imageLocation.size = NSMakeSize(32, 32);
  [self dragPromisedFilesOfTypes:[NSArray arrayWithObject:m_dragFileExt]
                        fromRect:imageLocation
                          source:self
                       slideBack:NO
                           event:theEvent];
}

- (NSArray *)namesOfPromisedFilesDroppedAtDestination:(NSURL *)dropDestination
{
  [m_dropTarget setString:@""];
  [m_dropTarget appendString:dropDestination.path];
  NSLog(@"cocoa drop target: %@", m_dropTarget);
  return nil;
}

- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)flag
{
  return NSDragOperationCopy;
}

- (CFStringRef)getDropTarget
{
  NSMutableString *string;
  string = [[NSMutableString alloc] initWithCapacity:0];
  [string appendString:m_dropTarget];
  return (CFStringRef)string;
}

- (void)clearDropTarget
{
  [m_dropTarget setString:@""];
}

- (void)setFileExt:(NSString *)ext
{
  [ext retain];
  [m_dragFileExt release];
  m_dragFileExt = ext;
  NSLog(@"drag file ext: %@", m_dragFileExt);
}

- (NSWindow *)draggingDestinationWindow
{
  return nil;
}

- (NSDragOperation)draggingSourceOperationMask
{
  return NSDragOperationCopy;
}

- (NSPoint)draggingLocation
{
  NSPoint point;
  return point;
}

- (NSPoint)draggedImageLocation
{
  NSPoint point;
  return point;
}

- (NSImage *)draggedImage
{
  return nil;
}

- (NSPasteboard *)draggingPasteboard
{
  return nil;
}

- (id)draggingSource
{
  return nil;
}

- (NSInteger)draggingSequenceNumber
{
  return 0;
}

- (void)slideDraggedImageTo:(NSPoint)screenPoint
{
}

- (NSDragOperation)draggingSession:(NSDraggingSession *)session
    sourceOperationMaskForDraggingContext:(NSDraggingContext)context
{
  return NSDragOperationCopy;
}

- (void)enumerateDraggingItemsWithOptions:(NSDraggingItemEnumerationOptions)enumOpts
                                  forView:(NSView *)view
                                  classes:(NSArray *)classArray
                            searchOptions:(NSDictionary *)searchOptions
                               usingBlock:(void (^)(NSDraggingItem *draggingItem, NSInteger idx, BOOL *stop))block
{
}

@end