61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* gtkconstraintprivate.h: Constraint between two widgets
|
|
* Copyright 2019 GNOME Foundation
|
|
*
|
|
* 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 "gtkconstraint.h"
|
|
#include "gtkconstrainttypesprivate.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
struct _GtkConstraint
|
|
{
|
|
GObject parent_instance;
|
|
|
|
GtkConstraintAttribute target_attribute;
|
|
GtkConstraintAttribute source_attribute;
|
|
|
|
GtkConstraintTarget *target;
|
|
GtkConstraintTarget *source;
|
|
|
|
GtkConstraintRelation relation;
|
|
|
|
double multiplier;
|
|
double constant;
|
|
|
|
int strength;
|
|
|
|
/* A reference to the real constraint inside the
|
|
* GtkConstraintSolver, so we can remove it when
|
|
* finalizing the GtkConstraint instance
|
|
*/
|
|
GtkConstraintRef *constraint_ref;
|
|
|
|
GtkConstraintSolver *solver;
|
|
|
|
guint active : 1;
|
|
};
|
|
|
|
void gtk_constraint_attach (GtkConstraint *constraint,
|
|
GtkConstraintSolver *solver,
|
|
GtkConstraintRef *ref);
|
|
void gtk_constraint_detach (GtkConstraint *constraint);
|
|
|
|
G_END_DECLS
|