1/* gtkconstrainttypesprivate.h: Private types for the constraint solver
2 * Copyright 2019 GNOME Foundation
3 *
4 * SPDX-License-Identifier: LGPL-2.1-or-later
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
18 *
19 * Author: Emmanuele Bassi
20 */
21
22#pragma once
23
24#include <gtk/gtktypes.h>
25#include <gtk/gtkenums.h>
26
27G_BEGIN_DECLS
28
29typedef struct _GtkConstraintVariable GtkConstraintVariable;
30typedef struct _GtkConstraintExpression GtkConstraintExpression;
31typedef struct _GtkConstraintExpressionBuilder GtkConstraintExpressionBuilder;
32
33/*< private >
34 * GtkConstraintRef:
35 *
36 * A reference to a constraint stored inside the solver; while `GtkConstraint`
37 * represent the public API, a `GtkConstraintRef` represents data stored inside
38 * the solver. A `GtkConstraintRef` is completely opaque, and should only be
39 * used to remove a constraint from the solver.
40 */
41typedef struct _GtkConstraintRef GtkConstraintRef;
42
43/*< private >
44 * GtkConstraintSolver:
45 *
46 * A simplex solver using the Cassowary constraint solving algorithm.
47 */
48typedef struct _GtkConstraintSolver GtkConstraintSolver;
49
50G_END_DECLS
51

source code of gtk/gtk/gtkconstrainttypesprivate.h