File: viewport.cpp

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#if defined(Hiro_Viewport)

@implementation CocoaViewport : NSView

-(id) initWith:(hiro::mViewport&)viewportReference {
  if(self = [super initWithFrame:NSMakeRect(0, 0, 0, 0)]) {
    viewport = &viewportReference;
  }
  return self;
}

-(void) drawRect:(NSRect)rect {
  [[NSColor blackColor] setFill];
  NSRectFillUsingOperation(rect, NSCompositeSourceOver);
}

-(BOOL) acceptsFirstResponder {
  return YES;
}

-(NSDragOperation) draggingEntered:(id<NSDraggingInfo>)sender {
  return DropPathsOperation(sender);
}

-(BOOL) performDragOperation:(id<NSDraggingInfo>)sender {
  lstring paths = DropPaths(sender);
  if(paths.empty()) return NO;
  viewport->doDrop(paths);
  return YES;
}

-(void) keyDown:(NSEvent*)event {
}

-(void) keyUp:(NSEvent*)event {
}

@end

namespace hiro {

auto pViewport::construct() -> void {
  @autoreleasepool {
    cocoaView = cocoaViewport = [[CocoaViewport alloc] initWith:self()];
    pWidget::construct();
  }
}

auto pViewport::destruct() -> void {
  @autoreleasepool {
    [cocoaView removeFromSuperview];
    [cocoaView release];
  }
}

auto pViewport::handle() const -> uintptr {
  return (uintptr)cocoaViewport;
}

auto pViewport::setDroppable(bool droppable) -> void {
  @autoreleasepool {
    if(droppable) {
      [cocoaViewport registerForDraggedTypes:[NSArray arrayWithObject:NSFilenamesPboardType]];
    } else {
      [cocoaViewport unregisterDraggedTypes];
    }
  }
}

}

#endif