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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 <Cocoa/Cocoa.h>
#import <wayland-server.h>
@class OwlBuffer;
@class OwlSurfaceState;
@protocol OwlSurfaceRole
- (void) map;
- (void) unmap;
- (void) update;
@end
@interface OwlSurface : NSView {
struct wl_resource *_resource;
NSOpenGLContext *_openGLContext;
// Mouse tracking rectangle.
NSTrackingRectTag _trackingRectTag;
// Sadly, we cannot trust Cocoa to always deliver us
// -mouseEntered: before -mouseMoved:, so keep our
// own track of whether we think the mouse is inside.
BOOL _mouseIsInside;
// Callbacks to be sent when we draw a frame.
// These are first collected as a part of a pending
// state, and added to this array on a commit. Once
// added, the callbacks stay in this array no matter
// further state changes and commits, only to be sent
// out during the next -drawRect: call.
NSMutableArray *_callbacks;
// The current state of this surface. This includes
// things such as the attached buffer and an array
// of damaged rects (compared to the previous frame).
OwlSurfaceState *_currentState;
// As the surface state in Wayland is double-buffered,
// we store the pending state separately while it is
// being built. This will become the new current state
// on the next commit.
OwlSurfaceState *_pendingState;
id<OwlSurfaceRole> _role;
}
- (id) initWithResource: (struct wl_resource *) resource;
- (struct wl_resource *) resource;
- (id<OwlSurfaceRole>) role;
- (void) setRole: (id<OwlSurfaceRole>) newRole;
- (void) setPendingGeometry: (NSRect) geometry;
- (NSSize) geometrySizeAdjustements;
@end
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