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/* ev-mapping.c
* this file is part of evince, a gnome document viewer
*
* Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
*
* Evince 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.
*
* Evince 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "ev-mapping.h"
EvMapping *
ev_mapping_list_find (GList *mapping_list,
gconstpointer data)
{
GList *list;
for (list = mapping_list; list; list = list->next) {
EvMapping *mapping = list->data;
if (mapping->data == data)
return mapping;
}
return NULL;
}
EvMapping *
ev_mapping_list_find_custom (GList *mapping_list,
gconstpointer data,
GCompareFunc func)
{
GList *list;
for (list = mapping_list; list; list = list->next) {
EvMapping *mapping = list->data;
if (!func (mapping->data, data))
return mapping;
}
return NULL;
}
gpointer
ev_mapping_list_get_data (GList *mapping_list,
gdouble x,
gdouble y)
{
GList *list;
for (list = mapping_list; list; list = list->next) {
EvMapping *mapping = list->data;
if ((x >= mapping->area.x1) &&
(y >= mapping->area.y1) &&
(x <= mapping->area.x2) &&
(y <= mapping->area.y2)) {
return mapping->data;
}
}
return NULL;
}
static void
mapping_list_free_foreach (EvMapping *mapping,
GDestroyNotify destroy_func)
{
destroy_func (mapping->data);
g_free (mapping);
}
void
ev_mapping_list_free (GList *mapping_list,
GDestroyNotify destroy_func)
{
g_list_foreach (mapping_list,
(GFunc)mapping_list_free_foreach,
destroy_func);
g_list_free (mapping_list);
}
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