1 files changed, 75 insertions, 0 deletions
diff --git a/Sources/Compositor/OwlSurface.h b/Sources/Compositor/OwlSurface.h
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+++ b/Sources/Compositor/OwlSurface.h
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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