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/* Copyright (C) 2023 Free Software Foundation, Inc.
By: Benjamin Johnson
Date: 28-2-2023
This file is part of the GNUstep Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110 USA.
*/
#import <Foundation/Foundation.h>
#import "AppKit/NSLayoutConstraint.h"
#import "GSCassowarySolver.h"
@class NSView;
@class NSLayoutConstraint;
#ifndef _GS_AUTO_LAYOUT_ENGINE_H
#define _GS_AUTO_LAYOUT_ENGINE_H
@interface GSAutoLayoutEngine : NSObject
{
GSCassowarySolver *_solver;
NSMapTable *_variablesByKey;
NSMutableArray *_solverConstraints;
NSMapTable *_constraintsByAutoLayoutConstaintHash;
NSMapTable *_layoutConstraintsBySolverConstraint;
NSMutableArray *_trackedViews;
NSMutableDictionary *_viewIndexByViewHash;
NSMutableDictionary *_viewAlignmentRectByViewIndex;
NSMutableDictionary *_constraintsByViewIndex;
NSMapTable *_internalConstraintsByViewIndex;
NSMapTable *_supportingConstraintsByConstraint;
int _viewCounter;
}
- (instancetype) initWithSolver: (GSCassowarySolver*)solver;
- (void) addConstraint: (NSLayoutConstraint *)constraint;
- (void) addConstraints: (NSArray *)constraints;
- (void) removeConstraint: (NSLayoutConstraint *)constraint;
- (void) removeConstraints: (NSArray *)constraints;
- (NSRect) alignmentRectForView: (NSView *)view;
- (NSArray *) constraintsForView: (NSView *)view;
@end
#endif
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