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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-reflow.h
* Copyright 2000, 2001, Ximian, Inc.
*
* Authors:
* Chris Lahey <clahey@ximian.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License, version 2, as published by the Free Software Foundation.
*
* 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 __E_REFLOW_H__
#define __E_REFLOW_H__
#include <libgnomecanvas/gnome-canvas.h>
#include <misc/e-reflow-model.h>
#include <misc/e-selection-model.h>
#include <e-util/e-sorter-array.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) (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;
int *heights;
GnomeCanvasItem **items;
int count;
int allocated_count;
int *columns;
gint column_count; /* Number of columnns */
GnomeCanvasItem *empty_text;
gchar *empty_message;
double minimum_width;
double width;
double height;
double column_width;
int incarnate_idle_id;
int do_adjustment_idle_id;
/* These are all for when the column is being dragged. */
gdouble start_x;
gint which_column_dragged;
double temp_column_width;
double previous_temp_column_width;
int cursor_row;
int 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;
int (*selection_event) (EReflow *reflow, GnomeCanvasItem *item, GdkEvent *event);
void (*column_width_changed) (EReflow *reflow, double 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.
*/
GtkType e_reflow_get_type (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __E_REFLOW_H__ */
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