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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-table-selection-model.c: a Table Selection Model
*
* Author:
* Christopher James Lahey <clahey@ximian.com>
*
* (C) 2000, 2001 Ximian, Inc.
*/
#include <config.h>
#include <gtk/gtksignal.h>
#include "e-table-selection-model.h"
#include "gal/util/e-util.h"
#include <gdk/gdkkeysyms.h>
#define ETSM_CLASS(e) ((ETableSelectionModelClass *)((GtkObject *)e)->klass)
#define PARENT_TYPE e_selection_model_get_type ()
static ESelectionModel *parent_class;
static gint etsm_get_row_count (ESelectionModel *esm);
enum {
ARG_0,
ARG_MODEL,
};
static void
model_changed(ETableModel *etm, ETableSelectionModel *etsm)
{
e_selection_model_clear(E_SELECTION_MODEL(etsm));
}
#if 1
static void
model_row_inserted(ETableModel *etm, int row, ETableSelectionModel *etsm)
{
e_selection_model_insert_row(E_SELECTION_MODEL(etsm), row);
}
static void
model_row_deleted(ETableModel *etm, int row, ETableSelectionModel *etsm)
{
e_selection_model_delete_row(E_SELECTION_MODEL(etsm), row);
}
#else
static void
model_row_inserted(ETableModel *etm, int row, ETableSelectionModel *etsm)
{
model_changed(etm, etsm);
}
static void
model_row_deleted(ETableModel *etm, int row, ETableSelectionModel *etsm)
{
model_changed(etm, etsm);
}
#endif
inline static void
add_model(ETableSelectionModel *etsm, ETableModel *model)
{
etsm->model = model;
if (model) {
gtk_object_ref(GTK_OBJECT(model));
etsm->model_changed_id = gtk_signal_connect(GTK_OBJECT(model), "model_changed",
GTK_SIGNAL_FUNC(model_changed), etsm);
etsm->model_row_inserted_id = gtk_signal_connect(GTK_OBJECT(model), "model_row_inserted",
GTK_SIGNAL_FUNC(model_row_inserted), etsm);
etsm->model_row_deleted_id = gtk_signal_connect(GTK_OBJECT(model), "model_row_deleted",
GTK_SIGNAL_FUNC(model_row_deleted), etsm);
}
}
inline static void
drop_model(ETableSelectionModel *etsm)
{
if (etsm->model) {
gtk_signal_disconnect(GTK_OBJECT(etsm->model),
etsm->model_changed_id);
gtk_signal_disconnect(GTK_OBJECT(etsm->model),
etsm->model_row_inserted_id);
gtk_signal_disconnect(GTK_OBJECT(etsm->model),
etsm->model_row_deleted_id);
gtk_object_unref(GTK_OBJECT(etsm->model));
}
etsm->model = NULL;
}
static void
etsm_destroy (GtkObject *object)
{
ETableSelectionModel *etsm;
etsm = E_TABLE_SELECTION_MODEL (object);
drop_model(etsm);
if (GTK_OBJECT_CLASS(parent_class)->destroy)
GTK_OBJECT_CLASS(parent_class)->destroy (object);
}
static void
etsm_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
ETableSelectionModel *etsm = E_TABLE_SELECTION_MODEL (o);
switch (arg_id){
case ARG_MODEL:
GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(etsm->model);
break;
}
}
static void
etsm_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
ETableSelectionModel *etsm = E_TABLE_SELECTION_MODEL (o);
switch (arg_id){
case ARG_MODEL:
drop_model(etsm);
add_model(etsm, GTK_VALUE_OBJECT (*arg) ? E_TABLE_MODEL(GTK_VALUE_OBJECT (*arg)) : NULL);
break;
}
}
static void
e_table_selection_model_init (ETableSelectionModel *selection)
{
selection->model = NULL;
}
static void
e_table_selection_model_class_init (ETableSelectionModelClass *klass)
{
GtkObjectClass *object_class;
ESelectionModelClass *esm_class;
parent_class = gtk_type_class (PARENT_TYPE);
object_class = GTK_OBJECT_CLASS(klass);
esm_class = E_SELECTION_MODEL_CLASS(klass);
object_class->destroy = etsm_destroy;
object_class->get_arg = etsm_get_arg;
object_class->set_arg = etsm_set_arg;
esm_class->get_row_count = etsm_get_row_count;
gtk_object_add_arg_type ("ETableSelectionModel::model", GTK_TYPE_OBJECT,
GTK_ARG_READWRITE, ARG_MODEL);
}
E_MAKE_TYPE(e_table_selection_model, "ETableSelectionModel", ETableSelectionModel,
e_table_selection_model_class_init, e_table_selection_model_init, PARENT_TYPE);
/**
* e_table_selection_model_new
*
* This routine creates a new #ETableSelectionModel.
*
* Returns: The new #ETableSelectionModel.
*/
ETableSelectionModel *
e_table_selection_model_new (void)
{
return gtk_type_new (e_table_selection_model_get_type ());
}
static gint
etsm_get_row_count (ESelectionModel *esm)
{
ETableSelectionModel *etsm = E_TABLE_SELECTION_MODEL(esm);
return e_table_model_row_count (etsm->model);
}
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