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/* gtkconstraintsolverprivate.h: Constraint solver based on the Cassowary method
* Copyright 2019 GNOME Foundation
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Author: Emmanuele Bassi
*/
#pragma once
#include "gtkconstrainttypesprivate.h"
G_BEGIN_DECLS
#define GTK_TYPE_CONSTRAINT_SOLVER (gtk_constraint_solver_get_type())
G_DECLARE_FINAL_TYPE (GtkConstraintSolver, gtk_constraint_solver, GTK, CONSTRAINT_SOLVER, GObject)
GtkConstraintSolver *
gtk_constraint_solver_new (void);
void
gtk_constraint_solver_freeze (GtkConstraintSolver *solver);
void
gtk_constraint_solver_thaw (GtkConstraintSolver *solver);
void
gtk_constraint_solver_resolve (GtkConstraintSolver *solver);
GtkConstraintVariable *
gtk_constraint_solver_create_variable (GtkConstraintSolver *solver,
const char *prefix,
const char *name,
double value);
GtkConstraintRef *
gtk_constraint_solver_add_constraint (GtkConstraintSolver *solver,
GtkConstraintVariable *variable,
GtkConstraintRelation relation,
GtkConstraintExpression *expression,
double strength);
void
gtk_constraint_solver_remove_constraint (GtkConstraintSolver *solver,
GtkConstraintRef *reference);
GtkConstraintRef *
gtk_constraint_solver_add_stay_variable (GtkConstraintSolver *solver,
GtkConstraintVariable *variable,
double strength);
void
gtk_constraint_solver_remove_stay_variable (GtkConstraintSolver *solver,
GtkConstraintVariable *variable);
gboolean
gtk_constraint_solver_has_stay_variable (GtkConstraintSolver *solver,
GtkConstraintVariable *variable);
GtkConstraintRef *
gtk_constraint_solver_add_edit_variable (GtkConstraintSolver *solver,
GtkConstraintVariable *variable,
double strength);
void
gtk_constraint_solver_remove_edit_variable (GtkConstraintSolver *solver,
GtkConstraintVariable *variable);
gboolean
gtk_constraint_solver_has_edit_variable (GtkConstraintSolver *solver,
GtkConstraintVariable *variable);
void
gtk_constraint_solver_suggest_value (GtkConstraintSolver *solver,
GtkConstraintVariable *variable,
double value);
void
gtk_constraint_solver_begin_edit (GtkConstraintSolver *solver);
void
gtk_constraint_solver_end_edit (GtkConstraintSolver *solver);
void
gtk_constraint_solver_note_added_variable (GtkConstraintSolver *self,
GtkConstraintVariable *variable,
GtkConstraintVariable *subject);
void
gtk_constraint_solver_note_removed_variable (GtkConstraintSolver *self,
GtkConstraintVariable *variable,
GtkConstraintVariable *subject);
void
gtk_constraint_solver_clear (GtkConstraintSolver *solver);
char *
gtk_constraint_solver_to_string (GtkConstraintSolver *solver);
G_END_DECLS
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