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/*
* This program 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 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Chris Lahey <clahey@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifndef __E_REFLOW_H__
#define __E_REFLOW_H__
#include <libgnomecanvas/gnome-canvas.h>
#include <text/e-reflow-model.h>
#include <misc/e-selection-model.h>
#include <e-util/e-sorter-array.h>
G_BEGIN_DECLS
/* EReflow - A canvas item container.
*
* The following arguments are available:
*
* name type read/write description
* --------------------------------------------------------------------------------
* minimum_width gdouble RW minimum width of the reflow. width >= minimum_width
* width gdouble R width of the reflow
* height gdouble RW height of the reflow
*/
#define E_REFLOW_TYPE (e_reflow_get_type ())
#define E_REFLOW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_REFLOW_TYPE, EReflow))
#define E_REFLOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), E_REFLOW_TYPE, EReflowClass))
#define E_IS_REFLOW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_REFLOW_TYPE))
#define E_IS_REFLOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), E_REFLOW_TYPE))
typedef struct EReflowPriv EReflowPriv;
typedef struct _EReflow EReflow;
typedef struct _EReflowClass EReflowClass;
struct _EReflow
{
GnomeCanvasGroup parent;
/* item specific fields */
EReflowModel *model;
guint model_changed_id;
guint comparison_changed_id;
guint model_items_inserted_id;
guint model_item_removed_id;
guint model_item_changed_id;
ESelectionModel *selection;
guint selection_changed_id;
guint selection_row_changed_id;
guint cursor_changed_id;
ESorterArray *sorter;
GtkAdjustment *adjustment;
guint adjustment_changed_id;
guint adjustment_value_changed_id;
guint set_scroll_adjustments_id;
gint *heights;
GnomeCanvasItem **items;
gint count;
gint allocated_count;
gint *columns;
gint column_count; /* Number of columnns */
GnomeCanvasItem *empty_text;
gchar *empty_message;
gdouble minimum_width;
gdouble width;
gdouble height;
gdouble column_width;
gint incarnate_idle_id;
gint do_adjustment_idle_id;
/* These are all for when the column is being dragged. */
gdouble start_x;
gint which_column_dragged;
gdouble temp_column_width;
gdouble previous_temp_column_width;
gint cursor_row;
gint reflow_from_column;
guint column_drag : 1;
guint need_height_update : 1;
guint need_column_resize : 1;
guint need_reflow_columns : 1;
guint default_cursor_shown : 1;
guint maybe_did_something : 1;
guint maybe_in_drag : 1;
GdkCursor *arrow_cursor;
GdkCursor *default_cursor;
};
struct _EReflowClass
{
GnomeCanvasGroupClass parent_class;
gint (*selection_event) (EReflow *reflow, GnomeCanvasItem *item, GdkEvent *event);
void (*column_width_changed) (EReflow *reflow, gdouble width);
};
/*
* 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.
*/
GType e_reflow_get_type (void);
G_END_DECLS
#endif /* __E_REFLOW_H__ */
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