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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* e-reflow.h
* Copyright (C) 2000 Helix Code, Inc.
* Author: Chris Lahey <clahey@helixcode.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU 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 __E_REFLOW_H__
#define __E_REFLOW_H__
#include <libgnomeui/gnome-canvas.h>
#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus */
/* EReflow - A canvas item container.
*
* The following arguments are available:
*
* name type read/write description
* --------------------------------------------------------------------------------
* minimum_width double RW minimum width of the reflow. width >= minimum_width
* width double R width of the reflow
* height double RW height of the reflow
*/
#define E_REFLOW_TYPE (e_reflow_get_type ())
#define E_REFLOW(obj) (GTK_CHECK_CAST ((obj), E_REFLOW_TYPE, EReflow))
#define E_REFLOW_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), E_REFLOW_TYPE, EReflowClass))
#define E_IS_REFLOW(obj) (GTK_CHECK_TYPE ((obj), E_REFLOW_TYPE))
#define E_IS_REFLOW_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((obj), E_REFLOW_TYPE))
typedef struct _EReflow EReflow;
typedef struct _EReflowClass EReflowClass;
struct _EReflow
{
GnomeCanvasGroup parent;
/* item specific fields */
GList *items; /* Of type GnomeCanvasItem */
GList *columns; /* Of type GList of type GnomeCanvasItem (points into items) */
gint column_count; /* Number of columnns */
GnomeCanvasItem *empty_text;
gchar *empty_message;
double minimum_width;
double width;
double height;
double column_width;
int idle;
/* These are all for when the column is being dragged. */
gboolean column_drag;
gdouble start_x;
gint which_column_dragged;
double temp_column_width;
double previous_temp_column_width;
guint need_height_update : 1;
guint need_column_resize : 1;
guint default_cursor_shown : 1;
GdkCursor *arrow_cursor;
GdkCursor *default_cursor;
};
struct _EReflowClass
{
GnomeCanvasGroupClass parent_class;
/* Virtual methods. */
void (* add_item) (EReflow *reflow, GnomeCanvasItem *item, gint *position);
};
/*
* To be added to a reflow, an item must have the argument "width" as
* a Read/Write argument and "height" as a Read Only argument. It
* should also do an ECanvas parent reflow request if its size
* changes.
*/
void e_reflow_add_item (EReflow *e_reflow,
GnomeCanvasItem *item,
gint *position);
GtkType e_reflow_get_type (void);
/* Internal usage only: */
void e_reflow_post_add_item (EReflow *e_reflow,
GnomeCanvasItem *item);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __E_REFLOW_H__ */
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