forked from AuroraMiddleware/gtk
6c76243f46
Added a convenience api for containers to use when allocating children (used to distribute space evenly to children).
113 lines
4.4 KiB
C
113 lines
4.4 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2007-2010 Openismus GmbH
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*
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* Authors:
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* Mathias Hasselmann <mathias@openismus.com>
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* Tristan Van Berkom <tristan.van.berkom@gmail.com>
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GTK_SIZE_REQUEST_H__
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#define __GTK_SIZE_REQUEST_H__
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_SIZE_REQUEST (gtk_size_request_get_type ())
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#define GTK_SIZE_REQUEST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SIZE_REQUEST, GtkSizeRequest))
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#define GTK_SIZE_REQUEST_CLASS(klass) ((GtkSizeRequestIface*)g_type_interface_peek ((klass), GTK_TYPE_SIZE_REQUEST))
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#define GTK_IS_SIZE_REQUEST(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SIZE_REQUEST))
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#define GTK_SIZE_REQUEST_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GTK_TYPE_SIZE_REQUEST, GtkSizeRequestIface))
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typedef struct _GtkSizeRequest GtkSizeRequest;
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typedef struct _GtkSizeRequestIface GtkSizeRequestIface;
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typedef struct _GtkRequestedSize GtkRequestedSize;
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/**
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* GtkRequestedSize:
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* @data: A client pointer
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* @minimum_size: The minimum size needed for allocation in a given orientation
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* @natural_size: The natural size for allocation in a given orientation
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*
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* Represents a request of a screen object in a given orientation. These
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* are primarily used in container implementations when allocating a natural
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* size for children calling. See gtk_distribute_natural_allocation().
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*/
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struct _GtkRequestedSize
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{
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gpointer data;
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gint minimum_size;
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gint natural_size;
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};
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struct _GtkSizeRequestIface
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{
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GTypeInterface g_iface;
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/* virtual table */
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GtkSizeRequestMode (* get_request_mode) (GtkSizeRequest *widget);
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void (* get_height) (GtkSizeRequest *widget,
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gint *minimum_height,
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gint *natural_height);
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void (* get_width_for_height) (GtkSizeRequest *widget,
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gint height,
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gint *minimum_width,
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gint *natural_width);
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void (* get_width) (GtkSizeRequest *widget,
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gint *minimum_width,
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gint *natural_width);
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void (* get_height_for_width) (GtkSizeRequest *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height);
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};
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GType gtk_size_request_get_type (void) G_GNUC_CONST;
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GtkSizeRequestMode gtk_size_request_get_request_mode (GtkSizeRequest *widget);
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void gtk_size_request_get_width (GtkSizeRequest *widget,
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gint *minimum_width,
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gint *natural_width);
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void gtk_size_request_get_height_for_width (GtkSizeRequest *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height);
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void gtk_size_request_get_height (GtkSizeRequest *widget,
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gint *minimum_height,
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gint *natural_height);
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void gtk_size_request_get_width_for_height (GtkSizeRequest *widget,
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gint height,
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gint *minimum_width,
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gint *natural_width);
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void gtk_size_request_get_size (GtkSizeRequest *widget,
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GtkRequisition *minimum_size,
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GtkRequisition *natural_size);
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/* General convenience function to aid in allocating natural sizes */
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gint gtk_distribute_natural_allocation (gint extra_space,
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guint n_requested_sizes,
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GtkRequestedSize *sizes);
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G_END_DECLS
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#endif /* __GTK_SIZE_REQUEST_H__ */
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