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/*
* e-table-model.c: a Table Model
*
* Author:
* Miguel de Icaza (miguel@gnu.org)
*
* (C) 1999 Helix Code, Inc.
*/
#include <config.h>
#include <gtk/gtksignal.h>
#include "e-table-model.h"
#define ETM_CLASS(e) ((ETableModelClass *)((GtkObject *)e)->klass)
static GtkObjectClass *e_table_model_parent_class;
enum {
MODEL_CHANGED,
ROW_SELECTION,
LAST_SIGNAL
};
static guint etm_signals [LAST_SIGNAL] = { 0, };
int
e_table_model_column_count (ETableModel *etable)
{
return ETM_CLASS (etable)->column_count (etable);
}
const char *
e_table_model_column_name (ETableModel *etable, int col)
{
return ETM_CLASS (etable)->column_name (etable, col);
}
int
e_table_model_row_count (ETableModel *etable)
{
return ETM_CLASS (etable)->row_count (etable);
}
void *
e_table_model_value_at (ETableModel *etable, int col, int row)
{
return ETM_CLASS (etable)->value_at (etable, col, row);
}
void
e_table_model_set_value_at (ETableModel *etable, int col, int row, void *data)
{
return ETM_CLASS (etable)->set_value_at (etable, col, row, data);
}
gboolean
e_table_model_is_cell_editable (ETableModel *etable, int col, int row)
{
return ETM_CLASS (etable)->is_cell_editable (etable, col, row);
}
int
e_table_model_row_height (ETableModel *etable, int row)
{
return ETM_CLASS (etable)->row_height (etable, row);
}
static void
e_table_model_destroy (GtkObject *object)
{
GSList *l;
ETableModel *etable = (ETableModel *) object;
if (e_table_model_parent_class->destroy)
(*e_table_model_parent_class->destroy)(object);
}
static void
e_table_model_class_init (GtkObjectClass *object_class)
{
e_table_model_parent_class = gtk_type_class (gtk_object_get_type ());
object_class->destroy = e_table_model_destroy;
etm_signals [MODEL_CHANGED] =
gtk_signal_new ("model_changed",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (ETableModelClass, model_changed),
gtk_marshal_NONE__NONE,
GTK_TYPE_NONE, 0);
etm_signals [ROW_SELECTION] =
gtk_signal_new ("row_selection",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (ETableModelClass, row_selection),
gtk_marshal_NONE__INT_INT,
GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
gtk_object_class_add_signals (object_class, etm_signals, LAST_SIGNAL);
}
GtkType
e_table_model_get_type (void)
{
static GtkType type = 0;
if (!type){
GtkTypeInfo info = {
"ETableModel",
sizeof (ETableModel),
sizeof (ETableModelClass),
(GtkClassInitFunc) e_table_model_class_init,
(GtkObjectInitFunc) NULL,
NULL, /* reserved 1 */
NULL, /* reserved 2 */
(GtkClassInitFunc) NULL
};
type = gtk_type_unique (gtk_object_get_type (), &info);
}
return type;
}
int
e_table_model_height (ETableModel *etable)
{
int rows, size, i;
g_return_val_if_fail (etable != NULL, 0);
rows = e_table_model_row_count (etable);
size = 0;
for (i = 0; i < rows; i++)
size += e_table_model_row_height (etable, i) + 1;
return size;
}
void
e_table_model_changed (ETableModel *e_table_model)
{
gtk_signal_emit (GTK_OBJECT (e_table_model),
etm_signals [MODEL_CHANGED]);
}
#if 0
int
e_table_model_max_col_width (ETableModel *etm, int col)
{
const int nvals = e_table_model_row_count (etm);
int max = 0;
int row;
for (row = 0; row < nvals; row++){
int w;
w = e_table_model_cell_width (etm, col, i);
if (w > max)
max = w;
}
return max;
}
#endif
void
e_table_model_select_row (ETableModel *etm, int row)
{
gtk_signal_emit (GTK_OBJECT (etm), etm_signals [ROW_SELECTION], row, 1);
etm->row_selected = row;
}
void
e_table_model_unselect_row (ETableModel *etm, int row)
{
if (etm->row_selected != -1){
gtk_signal_emit (
GTK_OBJECT (etm), etm_signals [ROW_SELECTION],
etm->row_selected, 0);
}
etm->row_selected = -1;
}
gint
e_table_model_get_selected_row (ETableModel *etm)
{
return etm->row_selected;
}
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