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/*
* baobab-chart.h
*
* Copyright (C) 2006, 2007, 2008 Igalia
*
* This program 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 program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* Authors:
* Felipe Erias <femorandeira@igalia.com>
* Pablo Santamaria <psantamaria@igalia.com>
* Jacobo Aragunde <jaragunde@igalia.com>
* Eduardo Lima <elima@igalia.com>
* Mario Sanchez <msanchez@igalia.com>
* Miguel Gomez <magomez@igalia.com>
* Henrique Ferreiro <hferreiro@igalia.com>
* Alejandro Pinheiro <apinheiro@igalia.com>
* Carlos Sanmartin <csanmartin@igalia.com>
* Alejandro Garcia <alex@igalia.com>
*/
#ifndef __BAOBAB_CHART_H__
#define __BAOBAB_CHART_H__
#include <gtk/gtk.h>
G_BEGIN_DECLS
#define BAOBAB_CHART_TYPE (baobab_chart_get_type ())
#define BAOBAB_CHART(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), BAOBAB_CHART_TYPE, BaobabChart))
#define BAOBAB_CHART_CLASS(obj) (G_TYPE_CHECK_CLASS_CAST ((obj), BAOBAB_CHART_TYPE, BaobabChartClass))
#define BAOBAB_IS_CHART(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), BAOBAB_CHART_TYPE))
#define BAOBAB_IS_CHART_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((obj), BAOBAB_CHART_TYPE))
#define BAOBAB_CHART_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), BAOBAB_CHART_TYPE, BaobabChartClass))
typedef struct _BaobabChart BaobabChart;
typedef struct _BaobabChartClass BaobabChartClass;
typedef struct _BaobabChartPrivate BaobabChartPrivate;
typedef struct _BaobabChartColor BaobabChartColor;
typedef struct _BaobabChartItem BaobabChartItem;
struct _BaobabChart
{
GtkWidget parent;
/* < private > */
BaobabChartPrivate *priv;
};
struct _BaobabChartColor
{
gdouble red;
gdouble green;
gdouble blue;
};
struct _BaobabChartItem
{
gchar *name;
gchar *size;
guint depth;
gdouble rel_start;
gdouble rel_size;
GtkTreeIter iter;
gboolean visible;
gboolean has_any_child;
gboolean has_visible_children;
GdkRectangle rect;
GList *parent;
gpointer data;
};
struct _BaobabChartClass
{
GtkWidgetClass parent_class;
/* Signal prototypes */
void (* item_activated) (BaobabChart *chart,
GtkTreeIter *iter);
/* Abstract methods */
void (* draw_item) (GtkWidget *chart,
cairo_t *cr,
BaobabChartItem *item,
gboolean highlighted);
void (* pre_draw) (GtkWidget *chart,
cairo_t *cr);
void (* post_draw) (GtkWidget *chart,
cairo_t *cr);
void (* calculate_item_geometry) (GtkWidget *chart,
BaobabChartItem *item);
gboolean (* is_point_over_item) (GtkWidget *chart,
BaobabChartItem *item,
gdouble x,
gdouble y);
void (* get_item_rectangle) (GtkWidget *chart,
BaobabChartItem *item);
guint (* can_zoom_in) (GtkWidget *chart);
guint (* can_zoom_out) (GtkWidget *chart);
};
GType baobab_chart_get_type (void) G_GNUC_CONST;
GtkWidget* baobab_chart_new (void);
void baobab_chart_set_model_with_columns (GtkWidget *chart,
GtkTreeModel *model,
guint name_column,
guint size_column,
guint info_column,
guint percentage_column,
guint valid_column,
GtkTreePath *root);
void baobab_chart_set_model (GtkWidget *chart,
GtkTreeModel *model);
GtkTreeModel* baobab_chart_get_model (GtkWidget *chart);
void baobab_chart_set_max_depth (GtkWidget *chart,
guint max_depth);
guint baobab_chart_get_max_depth (GtkWidget *chart);
void baobab_chart_set_root (GtkWidget *chart,
GtkTreePath *root);
GtkTreePath *baobab_chart_get_root (GtkWidget *chart);
void baobab_chart_freeze_updates (GtkWidget *chart);
void baobab_chart_thaw_updates (GtkWidget *chart);
void baobab_chart_get_item_color (BaobabChartColor *color,
gdouble position,
gint depth,
gboolean highlighted);
void baobab_chart_move_up_root (GtkWidget *chart);
void baobab_chart_zoom_in (GtkWidget *chart);
void baobab_chart_zoom_out (GtkWidget *chart);
void baobab_chart_save_snapshot (GtkWidget *chart);
gboolean baobab_chart_is_frozen (GtkWidget *chart);
BaobabChartItem *baobab_chart_get_highlighted_item (GtkWidget *chart);
gboolean baobab_chart_can_zoom_in (GtkWidget *chart);
gboolean baobab_chart_can_zoom_out (GtkWidget *chart);
G_END_DECLS
#endif
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