forked from AuroraMiddleware/gtk
147 lines
4.6 KiB
C
147 lines
4.6 KiB
C
/* gtkextendedlayout.c
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* Copyright (C) 2007 Openismus GmbH
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*
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* Author:
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* Mathias Hasselmann <mathias@openismus.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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#include <config.h>
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#include "gtkextendedlayout.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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GType
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gtk_extended_layout_get_type (void)
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{
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static GType extended_layout_type = 0;
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if (G_UNLIKELY(!extended_layout_type))
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extended_layout_type =
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g_type_register_static_simple (G_TYPE_INTERFACE, I_("GtkExtendedLayout"),
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sizeof (GtkExtendedLayoutIface),
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NULL, 0, NULL, 0);
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return extended_layout_type;
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}
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/**
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* gtk_extended_layout_get_desired_size:
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* @layout: a #GtkExtendedLayout instance
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* @minimum_size: location for storing the minimum size, or %NULL
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* @natural_size: location for storing the preferred size, or %NULL
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*
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* Retreives an extended layout item's desired size.
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*
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* Since: 2.20
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*/
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void
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gtk_extended_layout_get_desired_size (GtkExtendedLayout *layout,
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GtkRequisition *minimum_size,
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GtkRequisition *natural_size)
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{
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GtkExtendedLayoutIface *iface;
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g_return_if_fail (GTK_IS_EXTENDED_LAYOUT (layout));
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g_return_if_fail (NULL != minimum_size || NULL != natural_size);
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iface = GTK_EXTENDED_LAYOUT_GET_IFACE (layout);
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iface->get_desired_size (layout, minimum_size, natural_size);
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}
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/**
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* gtk_extended_layout_get_width_for_height:
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* @layout: a #GtkExtendedLayout instance
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* @height: the size which is available for allocation
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* @minimum_size: location for storing the minimum size, or %NULL
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* @natural_size: location for storing the preferred size, or %NULL
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*
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* Retreives an extended layout item's desired width if it would given
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* the size specified in @height.
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*
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* Since: 2.20
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*/
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void
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gtk_extended_layout_get_width_for_height (GtkExtendedLayout *layout,
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gint height,
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gint *minimum_width,
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gint *natural_width)
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{
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GtkExtendedLayoutIface *iface;
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g_return_if_fail (GTK_IS_EXTENDED_LAYOUT (layout));
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iface = GTK_EXTENDED_LAYOUT_GET_IFACE (layout);
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if (iface->get_width_for_height)
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iface->get_width_for_height (layout, height, minimum_width, natural_width);
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else
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{
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GtkRequisition minimum_size;
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GtkRequisition natural_size;
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iface->get_desired_size (layout, &minimum_size, &natural_size);
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if (minimum_width)
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*minimum_width = minimum_size.width;
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if (natural_width)
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*natural_width = natural_size.width;
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}
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}
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/**
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* gtk_extended_layout_get_height_for_width:
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* @layout: a #GtkExtendedLayout instance
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* @width: the size which is available for allocation
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* @minimum_size: location for storing the minimum size, or %NULL
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* @natural_size: location for storing the preferred size, or %NULL
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*
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* Retreives an extended layout item's desired height if it would given
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* the size specified in @width.
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*
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* Since: 2.20
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*/
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void
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gtk_extended_layout_get_height_for_width (GtkExtendedLayout *layout,
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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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GtkExtendedLayoutIface *iface;
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g_return_if_fail (GTK_IS_EXTENDED_LAYOUT (layout));
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iface = GTK_EXTENDED_LAYOUT_GET_IFACE (layout);
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if (iface->get_height_for_width)
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iface->get_height_for_width (layout, width, minimum_height, natural_height);
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else
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{
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GtkRequisition minimum_size;
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GtkRequisition natural_size;
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iface->get_desired_size (layout, &minimum_size, &natural_size);
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if (minimum_height)
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*minimum_height = minimum_size.height;
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if (natural_height)
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*natural_height = natural_size.height;
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}
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}
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#define __GTK_EXTENDED_LAYOUT_C__
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#include "gtkaliasdef.c"
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