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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Chris Lahey <clahey@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include <config.h>
#include <string.h>
#include "e-util/e-util.h"
#include "e-table-search.h"
#define d(x)
d (static gint depth = 0)
struct _ETableSearchPrivate {
guint timeout_id;
gchar *search_string;
gunichar last_character;
};
G_DEFINE_TYPE (ETableSearch, e_table_search, G_TYPE_OBJECT)
enum {
SEARCH_SEARCH,
SEARCH_ACCEPT,
LAST_SIGNAL
};
static guint e_table_search_signals[LAST_SIGNAL] = { 0, };
static gboolean
e_table_search_search (ETableSearch *e_table_search,
gchar *string,
ETableSearchFlags flags)
{
gboolean ret_val;
g_return_val_if_fail (E_IS_TABLE_SEARCH (e_table_search), FALSE);
g_signal_emit (G_OBJECT (e_table_search),
e_table_search_signals[SEARCH_SEARCH],
0, string, flags, &ret_val);
return ret_val;
}
static void
e_table_search_accept (ETableSearch *e_table_search)
{
g_return_if_fail (E_IS_TABLE_SEARCH (e_table_search));
g_signal_emit (G_OBJECT (e_table_search),
e_table_search_signals[SEARCH_ACCEPT], 0);
}
static gboolean
ets_accept (gpointer data)
{
ETableSearch *ets = data;
e_table_search_accept (ets);
g_free (ets->priv->search_string);
ets->priv->timeout_id = 0;
ets->priv->search_string = g_strdup ("");
ets->priv->last_character = 0;
return FALSE;
}
static void
drop_timeout (ETableSearch *ets)
{
if (ets->priv->timeout_id) {
g_source_remove (ets->priv->timeout_id);
}
ets->priv->timeout_id = 0;
}
static void
add_timeout (ETableSearch *ets)
{
drop_timeout (ets);
ets->priv->timeout_id = g_timeout_add_seconds (1, ets_accept, ets);
}
static void
e_table_search_finalize (GObject *object)
{
ETableSearchPrivate *priv;
priv = E_TABLE_SEARCH (object)->priv;
drop_timeout (E_TABLE_SEARCH (object));
g_free (priv->search_string);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (e_table_search_parent_class)->finalize (object);
}
static void
e_table_search_class_init (ETableSearchClass *class)
{
GObjectClass *object_class;
g_type_class_add_private (class, sizeof (ETableSearchPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->finalize = e_table_search_finalize;
e_table_search_signals[SEARCH_SEARCH] =
g_signal_new ("search",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableSearchClass, search),
(GSignalAccumulator) NULL, NULL,
e_marshal_BOOLEAN__STRING_INT,
G_TYPE_BOOLEAN, 2, G_TYPE_STRING, G_TYPE_INT);
e_table_search_signals[SEARCH_ACCEPT] =
g_signal_new ("accept",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableSearchClass, accept),
(GSignalAccumulator) NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
class->search = NULL;
class->accept = NULL;
}
static void
e_table_search_init (ETableSearch *ets)
{
ets->priv = G_TYPE_INSTANCE_GET_PRIVATE (ets, E_TYPE_TABLE_SEARCH, ETableSearchPrivate);
ets->priv->search_string = g_strdup ("");
}
ETableSearch *
e_table_search_new (void)
{
return g_object_new (E_TYPE_TABLE_SEARCH, NULL);
}
/**
* e_table_search_column_count:
* @e_table_search: The e-table-search to operate on
*
* Returns: the number of columns in the table search.
*/
void
e_table_search_input_character (ETableSearch *ets, gunichar character)
{
gchar character_utf8[7];
gchar *temp_string;
g_return_if_fail (ets != NULL);
g_return_if_fail (E_IS_TABLE_SEARCH (ets));
character_utf8[g_unichar_to_utf8 (character, character_utf8)] = 0;
temp_string = g_strdup_printf ("%s%s", ets->priv->search_string, character_utf8);
if (e_table_search_search (ets, temp_string,
ets->priv->last_character != 0 ? E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST : 0)) {
g_free (ets->priv->search_string);
ets->priv->search_string = temp_string;
add_timeout (ets);
ets->priv->last_character = character;
return;
} else {
g_free (temp_string);
}
if (character == ets->priv->last_character) {
if (ets->priv->search_string &&
e_table_search_search (ets, ets->priv->search_string, 0)) {
add_timeout (ets);
}
}
}
gboolean
e_table_search_backspace (ETableSearch *ets)
{
gchar *end;
g_return_val_if_fail (ets != NULL, FALSE);
g_return_val_if_fail (E_IS_TABLE_SEARCH (ets), FALSE);
if (!ets->priv->search_string ||
!*ets->priv->search_string)
return FALSE;
end = ets->priv->search_string + strlen (ets->priv->search_string);
end = g_utf8_prev_char (end);
*end = 0;
ets->priv->last_character = 0;
add_timeout (ets);
return TRUE;
}
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