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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* GtkWrapBox: Wrapping box widget
* Copyright (C) 1999 Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GTK_WRAP_BOX_H__
#define __GTK_WRAP_BOX_H__
#include <gdk/gdk.h>
#include <gtk/gtkcontainer.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* --- type macros --- */
#define GTK_TYPE_WRAP_BOX (gtk_wrap_box_get_type ())
#define GTK_WRAP_BOX(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_WRAP_BOX, GtkWrapBox))
#define GTK_WRAP_BOX_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_WRAP_BOX, GtkWrapBoxClass))
#define GTK_IS_WRAP_BOX(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_WRAP_BOX))
#define GTK_IS_WRAP_BOX_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WRAP_BOX))
#define GTK_WRAP_BOX_GET_CLASS(obj) (GTK_WRAP_BOX_CLASS (((GtkObject*) (obj))->klass))
/* --- typedefs --- */
typedef struct _GtkWrapBox GtkWrapBox;
typedef struct _GtkWrapBoxClass GtkWrapBoxClass;
typedef struct _GtkWrapBoxChild GtkWrapBoxChild;
/* For nautilus usage, we should decrement the
aspect ratio capability */
/* --- GtkWrapBox --- */
struct _GtkWrapBox
{
GtkContainer container;
guint homogeneous : 1;
guint justify : 4;
guint line_justify : 4;
guint8 hspacing;
guint8 vspacing;
guint16 n_children;
GtkWrapBoxChild *children;
gfloat aspect_ratio; /* 1/256..256 */
guint child_limit;
};
struct _GtkWrapBoxClass
{
GtkContainerClass parent_class;
GSList* (*rlist_line_children) (GtkWrapBox *wbox,
GtkWrapBoxChild **child_p,
GtkAllocation *area,
guint *max_child_size,
gboolean *expand_line);
/* This signal is added to tell parent widgets that
the box doesn't have enough space in the new configuration,
and that a resize is recommended. This can happen when a
layout changes the box's allocation. */
void (*need_reallocation) (GtkWrapBox *wbox);
};
struct _GtkWrapBoxChild
{
GtkWidget *widget;
guint hexpand : 1;
guint hfill : 1;
guint vexpand : 1;
guint vfill : 1;
guint forced_break : 1;
GtkWrapBoxChild *next;
};
#define GTK_JUSTIFY_TOP GTK_JUSTIFY_LEFT
#define GTK_JUSTIFY_BOTTOM GTK_JUSTIFY_RIGHT
/* --- prototypes --- */
GtkType gtk_wrap_box_get_type (void);
void gtk_wrap_box_set_homogeneous (GtkWrapBox *wbox,
gboolean homogeneous);
void gtk_wrap_box_set_hspacing (GtkWrapBox *wbox,
guint hspacing);
void gtk_wrap_box_set_vspacing (GtkWrapBox *wbox,
guint vspacing);
void gtk_wrap_box_set_justify (GtkWrapBox *wbox,
GtkJustification justify);
void gtk_wrap_box_set_line_justify (GtkWrapBox *wbox,
GtkJustification line_justify);
void gtk_wrap_box_set_aspect_ratio (GtkWrapBox *wbox,
gfloat aspect_ratio);
void gtk_wrap_box_pack (GtkWrapBox *wbox,
GtkWidget *child,
gboolean hexpand,
gboolean hfill,
gboolean vexpand,
gboolean vfill);
void gtk_wrap_box_reorder_child (GtkWrapBox *wbox,
GtkWidget *child,
gint position);
void gtk_wrap_box_query_child_packing (GtkWrapBox *wbox,
GtkWidget *child,
gboolean *hexpand,
gboolean *hfill,
gboolean *vexpand,
gboolean *vfill);
void gtk_wrap_box_query_child_forced_break (GtkWrapBox *wbox,
GtkWidget *child,
gboolean *forced_break);
void gtk_wrap_box_set_child_packing (GtkWrapBox *wbox,
GtkWidget *child,
gboolean hexpand,
gboolean hfill,
gboolean vexpand,
gboolean vfill);
void gtk_wrap_box_set_child_forced_break (GtkWrapBox *wbox,
GtkWidget *child,
gboolean forced_break);
guint* gtk_wrap_box_query_line_lengths (GtkWrapBox *wbox,
guint *n_lines);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_WRAP_BOX_H__ */
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