89 lines
4.1 KiB
C
89 lines
4.1 KiB
C
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/* gtkconstraint.h: Constraint between two widgets
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* Copyright 2019 GNOME Foundation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Emmanuele Bassi
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*/
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#pragma once
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#include <gtk/gtktypes.h>
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#include <gtk/gtkenums.h>
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G_BEGIN_DECLS
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typedef struct _GtkConstraintTarget GtkConstraintTarget;
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#define GTK_TYPE_CONSTRAINT_TARGET (gtk_constraint_target_get_type ())
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/**
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* GtkConstraintTarget:
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*
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* The `GtkConstraintTarget` interface is implemented by objects that
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* can be used as source or target in `GtkConstraint`s.
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*
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* Besides `GtkWidget`, it is also implemented by `GtkConstraintGuide`.
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*/
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GDK_AVAILABLE_IN_ALL
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G_DECLARE_INTERFACE (GtkConstraintTarget, gtk_constraint_target, GTK, CONSTRAINT_TARGET, GObject)
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#define GTK_TYPE_CONSTRAINT (gtk_constraint_get_type ())
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GDK_AVAILABLE_IN_ALL
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G_DECLARE_FINAL_TYPE (GtkConstraint, gtk_constraint, GTK, CONSTRAINT, GObject)
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GDK_AVAILABLE_IN_ALL
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GtkConstraint * gtk_constraint_new (gpointer target,
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GtkConstraintAttribute target_attribute,
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GtkConstraintRelation relation,
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gpointer source,
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GtkConstraintAttribute source_attribute,
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double multiplier,
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double constant,
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int strength);
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GDK_AVAILABLE_IN_ALL
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GtkConstraint * gtk_constraint_new_constant (gpointer target,
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GtkConstraintAttribute target_attribute,
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GtkConstraintRelation relation,
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double constant,
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int strength);
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GDK_AVAILABLE_IN_ALL
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GtkConstraintTarget * gtk_constraint_get_target (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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GtkConstraintAttribute gtk_constraint_get_target_attribute (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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GtkConstraintTarget * gtk_constraint_get_source (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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GtkConstraintAttribute gtk_constraint_get_source_attribute (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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GtkConstraintRelation gtk_constraint_get_relation (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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double gtk_constraint_get_multiplier (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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double gtk_constraint_get_constant (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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int gtk_constraint_get_strength (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_constraint_is_required (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_constraint_is_attached (GtkConstraint *constraint);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_constraint_is_constant (GtkConstraint *constraint);
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G_END_DECLS
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