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/* mg-entry-none.c
*
* Copyright (C) 2003 Vivien Malerba
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "mg-entry-none.h"
#include <libmergeant/mg-data-handler.h>
/*
* Main static functions
*/
static void mg_entry_none_class_init (MgEntryNoneClass * class);
static void mg_entry_none_init (MgEntryNone * srv);
static void mg_entry_none_dispose (GObject * object);
static void mg_entry_none_finalize (GObject * object);
/* virtual functions */
static GtkWidget *create_entry (MgEntryWrapper *mgwrap);
static void real_set_value (MgEntryWrapper *mgwrap, const GdaValue *value);
static GdaValue *real_get_value (MgEntryWrapper *mgwrap);
static void connect_signals(MgEntryWrapper *mgwrap, GCallback callback);
static gboolean expand_in_layout (MgEntryWrapper *mgwrap);
/* get a pointer to the parents to be able to call their destructor */
static GObjectClass *parent_class = NULL;
/* private structure */
struct _MgEntryNonePrivate
{
gboolean dummy;
};
guint
mg_entry_none_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (MgEntryNoneClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) mg_entry_none_class_init,
NULL,
NULL,
sizeof (MgEntryNone),
0,
(GInstanceInitFunc) mg_entry_none_init
};
type = g_type_register_static (MG_ENTRY_WRAPPER_TYPE, "MgEntryNone", &info, 0);
}
return type;
}
static void
mg_entry_none_class_init (MgEntryNoneClass * class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
parent_class = g_type_class_peek_parent (class);
object_class->dispose = mg_entry_none_dispose;
object_class->finalize = mg_entry_none_finalize;
MG_ENTRY_WRAPPER_CLASS (class)->create_entry = create_entry;
MG_ENTRY_WRAPPER_CLASS (class)->real_set_value = real_set_value;
MG_ENTRY_WRAPPER_CLASS (class)->real_get_value = real_get_value;
MG_ENTRY_WRAPPER_CLASS (class)->connect_signals = connect_signals;
MG_ENTRY_WRAPPER_CLASS (class)->expand_in_layout = expand_in_layout;
}
static void
mg_entry_none_init (MgEntryNone * mg_entry_none)
{
mg_entry_none->priv = g_new0 (MgEntryNonePrivate, 1);
}
/**
* mg_entry_none_new
* @dh: the data handler to be used by the new widget
* @type: the requested data type (compatible with @dh)
*
* Creates a new widget which is mainly a GtkEntry
*
* Returns: the new widget
*/
GtkWidget *
mg_entry_none_new (MgDataHandler *dh, GdaValueType type)
{
GObject *obj;
MgEntryNone *mgnone;
g_return_val_if_fail (dh && IS_MG_DATA_HANDLER (dh), NULL);
g_return_val_if_fail (type != GDA_VALUE_TYPE_UNKNOWN, NULL);
g_return_val_if_fail (mg_data_handler_accepts_gda_type (dh, type), NULL);
obj = g_object_new (MG_ENTRY_NONE_TYPE, "handler", dh, NULL);
mgnone = MG_ENTRY_NONE (obj);
mg_data_entry_set_value_type (MG_DATA_ENTRY (mgnone), type);
return GTK_WIDGET (obj);
}
static void
mg_entry_none_dispose (GObject * object)
{
MgEntryNone *mg_entry_none;
g_return_if_fail (object != NULL);
g_return_if_fail (IS_MG_ENTRY_NONE (object));
mg_entry_none = MG_ENTRY_NONE (object);
if (mg_entry_none->priv) {
}
/* parent class */
parent_class->dispose (object);
}
static void
mg_entry_none_finalize (GObject * object)
{
MgEntryNone *mg_entry_none;
g_return_if_fail (object != NULL);
g_return_if_fail (IS_MG_ENTRY_NONE (object));
mg_entry_none = MG_ENTRY_NONE (object);
if (mg_entry_none->priv) {
g_free (mg_entry_none->priv);
mg_entry_none->priv = NULL;
}
/* parent class */
parent_class->finalize (object);
}
static GtkWidget *
create_entry (MgEntryWrapper *mgwrap)
{
GtkWidget *frame, *label;
MgEntryNone *mgnone;
g_return_val_if_fail (mgwrap && IS_MG_ENTRY_NONE (mgwrap), NULL);
mgnone = MG_ENTRY_NONE (mgwrap);
g_return_val_if_fail (mgnone->priv, NULL);
frame = gtk_frame_new (NULL);
gtk_container_set_border_width (GTK_CONTAINER (frame), 5);
label = gtk_label_new (_("This data cannot be displayed or edited\n"
"because of its data type, a plugin needs to be\n"
"affected to that data type (or develop if none exists!)"));
gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
gtk_container_add (GTK_CONTAINER (frame), label);
gtk_widget_show (label);
return frame;
}
static void
real_set_value (MgEntryWrapper *mgwrap, const GdaValue *value)
{
MgEntryNone *mgnone;
g_return_if_fail (mgwrap && IS_MG_ENTRY_NONE (mgwrap));
mgnone = MG_ENTRY_NONE (mgwrap);
g_return_if_fail (mgnone->priv);
}
static GdaValue *
real_get_value (MgEntryWrapper *mgwrap)
{
MgEntryNone *mgnone;
g_return_val_if_fail (mgwrap && IS_MG_ENTRY_NONE (mgwrap), NULL);
mgnone = MG_ENTRY_NONE (mgwrap);
g_return_val_if_fail (mgnone->priv, NULL);
return gda_value_new_null ();
}
static void
connect_signals(MgEntryWrapper *mgwrap, GCallback callback)
{
MgEntryNone *mgnone;
g_return_if_fail (mgwrap && IS_MG_ENTRY_NONE (mgwrap));
mgnone = MG_ENTRY_NONE (mgwrap);
g_return_if_fail (mgnone->priv);
}
static gboolean
expand_in_layout (MgEntryWrapper *mgwrap)
{
return FALSE;
}
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