Learning_GTK4_tree/gtk/gtkconstraintlayout.h

83 lines
4.5 KiB
C

/* gtkconstraintlayout.h: Layout manager using constraints
* 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 <gtk/gtklayoutmanager.h>
#include <gtk/gtkconstraint.h>
#include <gtk/gtkconstraintguide.h>
G_BEGIN_DECLS
#define GTK_TYPE_CONSTRAINT_LAYOUT (gtk_constraint_layout_get_type ())
#define GTK_TYPE_CONSTRAINT_LAYOUT_CHILD (gtk_constraint_layout_child_get_type ())
#define GTK_CONSTRAINT_VFL_PARSER_ERROR (gtk_constraint_vfl_parser_error_quark ())
GDK_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (GtkConstraintLayoutChild, gtk_constraint_layout_child, GTK, CONSTRAINT_LAYOUT_CHILD, GtkLayoutChild)
GDK_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (GtkConstraintLayout, gtk_constraint_layout, GTK, CONSTRAINT_LAYOUT, GtkLayoutManager)
GDK_AVAILABLE_IN_ALL
GQuark gtk_constraint_vfl_parser_error_quark (void);
GDK_AVAILABLE_IN_ALL
GtkLayoutManager * gtk_constraint_layout_new (void);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_layout_add_constraint (GtkConstraintLayout *layout,
GtkConstraint *constraint);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_layout_remove_constraint (GtkConstraintLayout *layout,
GtkConstraint *constraint);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_layout_add_guide (GtkConstraintLayout *layout,
GtkConstraintGuide *guide);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_layout_remove_guide (GtkConstraintLayout *layout,
GtkConstraintGuide *guide);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_layout_remove_all_constraints (GtkConstraintLayout *layout);
GDK_AVAILABLE_IN_ALL
GList * gtk_constraint_layout_add_constraints_from_description (GtkConstraintLayout *layout,
const char * const lines[],
gsize n_lines,
int hspacing,
int vspacing,
GError **error,
const char *first_view,
...) G_GNUC_NULL_TERMINATED;
GDK_AVAILABLE_IN_ALL
GList * gtk_constraint_layout_add_constraints_from_descriptionv (GtkConstraintLayout *layout,
const char * const lines[],
gsize n_lines,
int hspacing,
int vspacing,
GHashTable *views,
GError **error);
GDK_AVAILABLE_IN_ALL
GListModel * gtk_constraint_layout_observe_constraints (GtkConstraintLayout *layout);
GDK_AVAILABLE_IN_ALL
GListModel * gtk_constraint_layout_observe_guides (GtkConstraintLayout *layout);
G_END_DECLS