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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 <[email protected]>
+ * Pablo Santamaria <[email protected]>
+ * Jacobo Aragunde <[email protected]>
+ * Eduardo Lima <[email protected]>
+ * Mario Sanchez <[email protected]>
+ * Miguel Gomez <[email protected]>
+ * Henrique Ferreiro <[email protected]>
+ * Alejandro Pinheiro <[email protected]>
+ * Carlos Sanmartin <[email protected]>
+ * Alejandro Garcia <[email protected]>
+ */
+
+#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