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/* This file is part of Owl.
*
* Copyright © 2019-2021 Sergey Bugaev <bugaevc@gmail.com>
*
* Owl is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* Owl is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with Owl. If not, see <http://www.gnu.org/licenses/>.
*/
#import "OwlDataSource.h"
#import "OwlFeatures.h"
#import <Cocoa/Cocoa.h>
@class OwlDataDevice;
// A selection represents a "place" or a "slot" where data can be copied to
// and pasted from. One selection can only hold one data source at a time.
//
// There's a single global selection that represents the system clipboard.
// On GNUstep, there's additionally the primary selection.
@interface OwlSelection : NSObject <OwlDataSourceHolder> {
OwlDataSource *_dataSource;
NSMutableArray *_dataDevices;
}
+ (OwlSelection *) clipboard;
#ifdef OWL_PLATFORM_GNUSTEP
+ (OwlSelection *) primary;
#endif
// Get and set the contents of the selction, as a data source.
- (OwlDataSource *) dataSource;
- (void) setDataSource: (OwlDataSource *) dataSource;
// Subscribe and unsubscribe data devices.
// OwlSelection will call -selectionChanged: on the registered data devices.
- (void) addDataDevice: (OwlDataDevice *) dataDevice;
- (void) removeDataDevice: (OwlDataDevice *) dataDevice;
@end
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