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/*
* E-table-item.c: A view of a Table.
*
* Author:
* Miguel de Icaza (miguel@gnu.org)
*
* Copyright 1999, Helix Code, Inc.
*/
#include <config.h>
#include "e-table-item.h"
#define PARENT_OBJECT_TYPE gnome_canvas_item_get_type ()
static GnomeCanvasItemClass *eti_parent_class;
enum {
ARG_0,
ARG_TABLE_HEADER,
ARG_TABLE_MODEL,
ARG_TABLE_X,
ARG_TABLE_Y,
};
static void
eti_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
{
ETableItem *eti = E_TABLE_ITEM (item);
if (GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update)
(*GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update)(item, affine, clip_path, flags);
item->x1 = eti->x1;
item->y1 = eti->y1;
item->x2 = INT_MAX;
item->y2 = eti->x1 + eti->height;
gnome_canvas_group_child_bounds (GNOME_CANVAS_GROUP (item->parent), item);
}
static void
eti_remove_table_model (ETableItem *eti)
{
if (!eti->table_model)
return;
gtk_signal_disconnect (eti->table_model_change_id);
gtk_object_unref (GTK_OBJECT (eti->table_model));
eti->table_model_change_id = 0;
eti->table_model = NULL;
}
static void
eti_remove_header_model (ETableItem *eti)
{
if (!eti->header)
return;
gtk_signal_disconnect (eti->header_structure_change_id);
gtk_signal_disconnect (eti->header_dim_change_id);
gtk_object_unref (GTK_OBJECT (eti->header));
eti->header_structure_change_id = 0;
eti->header_dim_change_id = 0;
eti->header = NULL;
}
static void
eti_table_model_changed (ETableModel *table_model, ETableItem *eti)
{
eti->height = e_table_model_height (eti->table_model);
eti_update (GNOME_CANVAS_ITEM (eti), NULL, NULL, 0);
}
static void
eti_add_table_model (ETableItem *eti, ETableModel *table_model)
{
g_assert (eti->table_model == NULL);
eti->table_model = table_model;
gtk_object_ref (GTK_OBJECT (table_model));
eti->table_model_change_id = gtk_signal_connect (
GTK_OBJECT (table_model), "model_changed",
GTK_SIGNAL_FUNC (eti_table_model_changed), eti);
}
static void
eti_header_dim_changed (ETableHeader *eth, int col, ETableItem *eti)
{
printf ("NOTIFY: Dimension changed");
}
static void
eti_header_structure_changed (ETableHeader *eth, ETableItem *eti)
{
printf ("NOTIFY: Structure changed");
}
static void
eti_add_header_model (ETableItem *eti, ETableHeader *header)
{
g_assert (eti->header == NULL);
eti->header = header;
gtk_object_ref (GTK_OBJECT (header));
eti->header_dim_change_id = gtk_signal_connect (
GTK_OBJECT (header), "dimension_change",
GTK_SIGNAL_FUNC (eti_header_dim_changed), eti);
eti->header_structure_change_id = gtk_signal_connect (
GTK_OBJECT (header), "structure_changed",
GTK_SIGNAL_FUNC (eti_header_structure_changed), eti);
}
static void
eti_destroy (GtkObject *object)
{
ETableItem *eti = E_TABLE_ITEM (object);
eti_remove_header_model (eti);
eti_remove_table_model (eti);
if (GTK_OBJECT_CLASS (eti_parent_class)->destroy)
(*GTK_OBJECT_CLASS (eti_parent_class)->destroy) (object);
}
static void
eti_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
GnomeCanvasItem *item;
ETableItem *eti;
int v;
item = GNOME_CANVAS_ITEM (o);
eti = E_TABLE_ITEM (o);
switch (arg_id){
case ARG_TABLE_HEADER:
eti->header = GTK_VALUE_POINTER (*arg);
gtk_object_ref (GTK_OBJECT (eti->header));
break;
case ARG_TABLE_MODEL:
eti_remove_table_model (eti);
eti->height = e_table_model_height (eti->table_model);
break;
case ARG_TABLE_X:
eti->x1 = GTK_VALUE_INT (*arg);
break;
case ARG_TABLE_Y:
eti->y1 = GTK_VALUE_INT (*arg);
break;
}
eti_update (item, NULL, NULL, 0);
}
static void
eti_init (GnomeCanvasItem *item)
{
ETableItem *eti = E_TABLE_ITEM (item);
}
static void
eti_realize (GnomeCanvasItem *item)
{
}
static void
eti_unrealize (GnomeCanvasItem *item)
{
}
static void
eti_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x1, int y1, int width, int height)
{
}
static double
eti_point (GnomeCanvasItem *item, double x, double y, int cx, int cy,
GnomeCanvasItem **actual_item)
{
*actual_item = item;
return 0.0;
}
static int
eti_event (GnomeCanvasItem *item, GdkEvent *e)
{
return FALSE;
}
static void
eti_class_init (GtkObjectClass *object_class)
{
GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class;
eti_parent_class = gtk_type_class (PARENT_OBJECT_TYPE);
object_class->destroy = eti_destroy;
object_class->set_arg = eti_set_arg;
item_class->update = eti_update;
item_class->realize = eti_realize;
item_class->unrealize = eti_unrealize;
item_class->draw = eti_draw;
item_class->point = eti_point;
item_class->event = eti_event;
gtk_object_add_arg_type ("ETableHeaderItem::ETableHeader", GTK_TYPE_POINTER,
GTK_ARG_WRITABLE, ARG_TABLE_HEADER);
gtk_object_add_arg_type ("ETableHeaderItem::ETableModel", GTK_TYPE_POINTER,
GTK_ARG_WRITABLE, ARG_TABLE_MODEL);
gtk_object_add_arg_type ("ETableHeaderItem::x", GTK_TYPE_INT,
GTK_ARG_WRITABLE, ARG_TABLE_X);
gtk_object_add_arg_type ("ETableHeaderItem::y", GTK_TYPE_INT,
GTK_ARG_WRITABLE, ARG_TABLE_Y);
}
GtkType
e_table_item_get_type (void)
{
static GtkType type = 0;
if (!type){
GtkTypeInfo info = {
"ETableItem",
sizeof (ETableItem),
sizeof (ETableItemClass),
(GtkClassInitFunc) eti_class_init,
(GtkObjectInitFunc) eti_init,
NULL, /* reserved 1 */
NULL, /* reserved 2 */
(GtkClassInitFunc) NULL
};
type = gtk_type_unique (PARENT_OBJECT_TYPE, &info);
}
return type;
}
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