diff options
Diffstat (limited to 'libdocument/ev-link.c')
| -rw-r--r-- | libdocument/ev-link.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/libdocument/ev-link.c b/libdocument/ev-link.c new file mode 100644 index 0000000..8561914 --- /dev/null +++ b/libdocument/ev-link.c @@ -0,0 +1,226 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ +/* this file is part of evince, a gnome document viewer + * + * Copyright (C) 2005 Red Hat, Inc. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "ev-link.h" + +enum { + PROP_0, + PROP_TITLE, + PROP_ACTION +}; + +struct _EvLink { + GObject base_instance; + EvLinkPrivate *priv; +}; + +struct _EvLinkClass { + GObjectClass base_class; +}; + +struct _EvLinkPrivate { + gchar *title; + EvLinkAction *action; +}; + +G_DEFINE_TYPE (EvLink, ev_link, G_TYPE_OBJECT) + +#define EV_LINK_GET_PRIVATE(object) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_LINK, EvLinkPrivate)) + +const gchar * +ev_link_get_title (EvLink *self) +{ + g_return_val_if_fail (EV_IS_LINK (self), NULL); + + return self->priv->title; +} + +EvLinkAction * +ev_link_get_action (EvLink *self) +{ + g_return_val_if_fail (EV_IS_LINK (self), NULL); + + return self->priv->action; +} + +static void +ev_link_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *param_spec) +{ + EvLink *self; + + self = EV_LINK (object); + + switch (prop_id) { + case PROP_TITLE: + g_value_set_string (value, self->priv->title); + break; + case PROP_ACTION: + g_value_set_pointer (value, self->priv->action); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, + prop_id, + param_spec); + break; + } +} + +static void +ev_link_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *param_spec) +{ + EvLink *self = EV_LINK (object); + + switch (prop_id) { + case PROP_TITLE: + self->priv->title = g_value_dup_string (value); + break; + case PROP_ACTION: + self->priv->action = g_value_get_pointer (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, + prop_id, + param_spec); + break; + } +} + +static void +ev_link_finalize (GObject *object) +{ + EvLinkPrivate *priv; + + priv = EV_LINK (object)->priv; + + if (priv->title) { + g_free (priv->title); + priv->title = NULL; + } + + if (priv->action) { + g_object_unref (priv->action); + priv->action = NULL; + } + + G_OBJECT_CLASS (ev_link_parent_class)->finalize (object); +} + +static void +ev_link_init (EvLink *ev_link) +{ + ev_link->priv = EV_LINK_GET_PRIVATE (ev_link); + + ev_link->priv->title = NULL; + ev_link->priv->action = NULL; +} + +static void +ev_link_class_init (EvLinkClass *ev_window_class) +{ + GObjectClass *g_object_class; + + g_object_class = G_OBJECT_CLASS (ev_window_class); + + g_object_class->set_property = ev_link_set_property; + g_object_class->get_property = ev_link_get_property; + + g_object_class->finalize = ev_link_finalize; + + g_type_class_add_private (g_object_class, sizeof (EvLinkPrivate)); + + g_object_class_install_property (g_object_class, + PROP_TITLE, + g_param_spec_string ("title", + "Link Title", + "The link title", + NULL, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_ACTION, + g_param_spec_pointer ("action", + "Link Action", + "The link action", + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +EvLink * +ev_link_new (const char *title, + EvLinkAction *action) +{ + return EV_LINK (g_object_new (EV_TYPE_LINK, + "title", title, + "action", action, + NULL)); +} + +/* Link Mapping stuff */ +static void +ev_link_mapping_free_foreach (EvLinkMapping *mapping) +{ + g_object_unref (G_OBJECT (mapping->link)); + g_free (mapping); +} + +void +ev_link_mapping_free (GList *link_mapping) +{ + if (link_mapping == NULL) + return; + + g_list_foreach (link_mapping, (GFunc) (ev_link_mapping_free_foreach), NULL); + g_list_free (link_mapping); +} + +EvLink * +ev_link_mapping_find (GList *link_mapping, + gdouble x, + gdouble y) +{ + GList *list; + EvLink *link = NULL; + int i; + + i = 0; + + for (list = link_mapping; list; list = list->next) { + EvLinkMapping *mapping = list->data; + + i++; + if ((x >= mapping->x1) && + (y >= mapping->y1) && + (x <= mapping->x2) && + (y <= mapping->y2)) { + link = mapping->link; + break; + } + } + + return link; +} + |