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/*
* E-Table-Group.c: Implements the grouping objects for elements on a table
*
* Author:
* Miguel de Icaza (miguel@gnu.org()
*
* Copyright 1999, Helix Code, Inc.
*/
#include <config.h>
#include <gtk/gtksignal.h>
#include "e-table-group.h"
#include <libgnomeui/gnome-canvas-rect-ellipse.h>
#include "e-util.h"
#define TITLE_HEIGHT 16
#define GROUP_INDENT 10
#define PARENT_TYPE gnome_canvas_group_get_type ()
static GnomeCanvasGroupClass *etg_parent_class;
static void
etg_destroy (GtkObject *object)
{
ETableGroup *etg = E_TABLE_GROUP (object);
gtk_object_unref (GTK_OBJECT (etg->ecol));
GTK_OBJECT_CLASS (etg_parent_class)->destroy (object);
}
static int
etg_width (ETableGroup *etg)
{
return e_table_header_total_width (etg->header) + GROUP_INDENT;
}
static int
etg_height (ETableGroup *etg)
{
GnomeCanvasItem *child = etg->child;
return TITLE_HEIGHT + (child->y2 - child->y1);
}
static void
etg_header_changed (ETableHeader *header, ETableGroup *etg)
{
gnome_canvas_item_set (
etg->rect,
"x2", (double) etg_width (etg),
NULL);
}
void
e_table_group_construct (GnomeCanvasGroup *parent, ETableGroup *etg,
ETableHeader *header, int col,
GnomeCanvasItem *child, int open)
{
gnome_canvas_item_constructv (GNOME_CANVAS_ITEM (etg), parent, 0, NULL);
gtk_object_ref (GTK_OBJECT (header));
etg->header = header;
etg->col = col;
etg->ecol = e_table_header_get_column (header, col);
etg->open = open;
gtk_signal_connect (
GTK_OBJECT (header), "dimension_change",
GTK_SIGNAL_FUNC (etg_header_changed), etg);
etg->child = child;
etg->rect = gnome_canvas_item_new (
GNOME_CANVAS_GROUP (etg),
gnome_canvas_rect_get_type (),
"fill_color", "gray",
"outline_color", "gray20",
"x1", 0.0,
"y1", 0.0,
"x2", (double) etg_width (etg),
"y2", (double) etg_height (etg),
NULL);
/*
* Reparent the child into our space.
*/
gnome_canvas_item_reparent (child, GNOME_CANVAS_GROUP (etg));
gnome_canvas_item_set (
child,
"x", (double) GROUP_INDENT,
"y", (double) TITLE_HEIGHT,
NULL);
}
GnomeCanvasItem *
e_table_group_new (GnomeCanvasGroup *parent, ETableHeader *header, int col, GnomeCanvasItem *child, int open)
{
ETableGroup *etg;
g_return_val_if_fail (parent != NULL, NULL);
g_return_val_if_fail (header != NULL, NULL);
g_return_val_if_fail (child != NULL, NULL);
etg = gtk_type_new (e_table_group_get_type ());
e_table_group_construct (parent, etg, header, col, child, open);
return GNOME_CANVAS_ITEM (etg);
}
static void
etg_realize (GnomeCanvasItem *item)
{
ETableGroup *etg = E_TABLE_GROUP (item);
GNOME_CANVAS_ITEM_CLASS (etg_parent_class)->realize (item);
}
static void
etg_class_init (GtkObjectClass *object_class)
{
GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class;
object_class->destroy = etg_destroy;
item_class->realize = etg_realize;
etg_parent_class = gtk_type_class (PARENT_TYPE);
}
E_MAKE_TYPE (e_table_group, "ETableGroup", ETableGroup, etg_class_init, NULL, PARENT_TYPE);
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