1 /* this file is part of evince, a gnome document viewer
3 * Copyright (C) 2006 Carlos Garcia Campos <carlosgc@gnome.org>
4 * Copyright (C) 2005 Red Hat, Inc.
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22 #include "ev-link-dest.h"
39 EV_DEST_CHANGE_TOP = 1 << 0,
40 EV_DEST_CHANGE_LEFT = 1 << 1,
41 EV_DEST_CHANGE_ZOOM = 1 << 2
45 GObject base_instance;
47 EvLinkDestPrivate *priv;
50 struct _EvLinkDestClass {
51 GObjectClass base_class;
54 struct _EvLinkDestPrivate {
67 G_DEFINE_TYPE (EvLinkDest, ev_link_dest, G_TYPE_OBJECT)
69 #define EV_LINK_DEST_GET_PRIVATE(object) \
70 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_LINK_DEST, EvLinkDestPrivate))
73 ev_link_dest_type_get_type (void)
75 static GType type = 0;
77 if (G_UNLIKELY (type == 0)) {
78 static const GEnumValue values[] = {
79 { EV_LINK_DEST_TYPE_PAGE, "EV_LINK_DEST_TYPE_PAGE", "page" },
80 { EV_LINK_DEST_TYPE_XYZ, "EV_LINK_DEST_TYPE_XYZ", "xyz" },
81 { EV_LINK_DEST_TYPE_FIT, "EV_LINK_DEST_TYPE_FIT", "fit" },
82 { EV_LINK_DEST_TYPE_FITH, "EV_LINK_DEST_TYPE_FITH", "fith" },
83 { EV_LINK_DEST_TYPE_FITV, "EV_LINK_DEST_TYPE_FITV", "fitv" },
84 { EV_LINK_DEST_TYPE_FITR, "EV_LINK_DEST_TYPE_FITR", "fitr" },
85 { EV_LINK_DEST_TYPE_NAMED, "EV_LINK_DEST_TYPE_NAMED", "named" },
86 { EV_LINK_DEST_TYPE_PAGE_LABEL, "EV_LINK_DEST_TYPE_PAGE_LABEL", "page_label" },
87 { EV_LINK_DEST_TYPE_UNKNOWN, "EV_LINK_DEST_TYPE_UNKNOWN", "unknown" },
91 type = g_enum_register_static ("EvLinkDestType", values);
98 ev_link_dest_get_dest_type (EvLinkDest *self)
100 g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
102 return self->priv->type;
106 ev_link_dest_get_page (EvLinkDest *self)
108 g_return_val_if_fail (EV_IS_LINK_DEST (self), -1);
110 return self->priv->page;
114 ev_link_dest_get_top (EvLinkDest *self,
115 gboolean *change_top)
117 g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
120 *change_top = (self->priv->change & EV_DEST_CHANGE_TOP);
122 return self->priv->top;
126 ev_link_dest_get_left (EvLinkDest *self,
127 gboolean *change_left)
129 g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
132 *change_left = (self->priv->change & EV_DEST_CHANGE_LEFT);
134 return self->priv->left;
138 ev_link_dest_get_bottom (EvLinkDest *self)
140 g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
142 return self->priv->bottom;
146 ev_link_dest_get_right (EvLinkDest *self)
148 g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
150 return self->priv->right;
154 ev_link_dest_get_zoom (EvLinkDest *self,
155 gboolean *change_zoom)
157 g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
160 *change_zoom = (self->priv->change & EV_DEST_CHANGE_ZOOM);
162 return self->priv->zoom;
166 ev_link_dest_get_named_dest (EvLinkDest *self)
168 g_return_val_if_fail (EV_IS_LINK_DEST (self), NULL);
170 return self->priv->named;
174 ev_link_dest_get_page_label (EvLinkDest *self)
176 g_return_val_if_fail (EV_IS_LINK_DEST (self), NULL);
178 return self->priv->page_label;
182 ev_link_dest_get_property (GObject *object,
185 GParamSpec *param_spec)
189 self = EV_LINK_DEST (object);
193 g_value_set_enum (value, self->priv->type);
196 g_value_set_int (value, self->priv->page);
199 g_value_set_double (value, self->priv->top);
202 g_value_set_double (value, self->priv->left);
205 g_value_set_double (value, self->priv->bottom);
208 g_value_set_double (value, self->priv->left);
211 g_value_set_double (value, self->priv->zoom);
214 g_value_set_uint (value, self->priv->change);
217 g_value_set_string (value, self->priv->named);
219 case PROP_PAGE_LABEL:
220 g_value_set_string (value, self->priv->page_label);
223 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
231 ev_link_dest_set_property (GObject *object,
234 GParamSpec *param_spec)
236 EvLinkDest *self = EV_LINK_DEST (object);
240 self->priv->type = g_value_get_enum (value);
243 self->priv->page = g_value_get_int (value);
246 self->priv->top = g_value_get_double (value);
249 self->priv->left = g_value_get_double (value);
252 self->priv->bottom = g_value_get_double (value);
255 self->priv->right = g_value_get_double (value);
258 self->priv->zoom = g_value_get_double (value);
261 self->priv->change = g_value_get_uint (value);
264 self->priv->named = g_value_dup_string (value);
266 case PROP_PAGE_LABEL:
267 self->priv->page_label = g_value_dup_string (value);
270 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
278 ev_link_dest_finalize (GObject *object)
280 EvLinkDestPrivate *priv;
282 priv = EV_LINK_DEST (object)->priv;
285 g_free (priv->named);
288 if (priv->page_label) {
289 g_free (priv->page_label);
290 priv->page_label = NULL;
293 G_OBJECT_CLASS (ev_link_dest_parent_class)->finalize (object);
297 ev_link_dest_init (EvLinkDest *ev_link_dest)
299 ev_link_dest->priv = EV_LINK_DEST_GET_PRIVATE (ev_link_dest);
301 ev_link_dest->priv->named = NULL;
305 ev_link_dest_class_init (EvLinkDestClass *ev_link_dest_class)
307 GObjectClass *g_object_class;
309 g_object_class = G_OBJECT_CLASS (ev_link_dest_class);
311 g_object_class->set_property = ev_link_dest_set_property;
312 g_object_class->get_property = ev_link_dest_get_property;
314 g_object_class->finalize = ev_link_dest_finalize;
316 g_type_class_add_private (g_object_class, sizeof (EvLinkDestPrivate));
318 g_object_class_install_property (g_object_class,
320 g_param_spec_enum ("type",
322 "The destination type",
323 EV_TYPE_LINK_DEST_TYPE,
324 EV_LINK_DEST_TYPE_UNKNOWN,
326 G_PARAM_CONSTRUCT_ONLY));
327 g_object_class_install_property (g_object_class,
329 g_param_spec_int ("page",
331 "The destination page",
336 G_PARAM_CONSTRUCT_ONLY));
337 g_object_class_install_property (g_object_class,
339 g_param_spec_double ("left",
341 "The left coordinate",
346 G_PARAM_CONSTRUCT_ONLY));
347 g_object_class_install_property (g_object_class,
349 g_param_spec_double ("top",
351 "The top coordinate",
356 G_PARAM_CONSTRUCT_ONLY));
357 g_object_class_install_property (g_object_class,
359 g_param_spec_double ("bottom",
361 "The bottom coordinate",
366 G_PARAM_CONSTRUCT_ONLY));
367 g_object_class_install_property (g_object_class,
369 g_param_spec_double ("right",
371 "The right coordinate",
376 G_PARAM_CONSTRUCT_ONLY));
378 g_object_class_install_property (g_object_class,
380 g_param_spec_double ("zoom",
387 G_PARAM_CONSTRUCT_ONLY));
388 g_object_class_install_property (g_object_class,
390 g_param_spec_uint ("change",
392 "Wether top, left, and zoom should be changed",
397 G_PARAM_CONSTRUCT_ONLY));
398 g_object_class_install_property (g_object_class,
400 g_param_spec_string ("named",
402 "The named destination",
405 G_PARAM_CONSTRUCT_ONLY));
406 g_object_class_install_property (g_object_class,
408 g_param_spec_string ("page_label",
410 "The label of the destination page",
413 G_PARAM_CONSTRUCT_ONLY));
417 ev_link_dest_new_page (gint page)
419 return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
421 "type", EV_LINK_DEST_TYPE_PAGE,
426 ev_link_dest_new_xyz (gint page,
430 gboolean change_left,
432 gboolean change_zoom)
434 EvDestChange change = 0;
437 change |= EV_DEST_CHANGE_LEFT;
439 change |= EV_DEST_CHANGE_TOP;
441 change |= EV_DEST_CHANGE_ZOOM;
443 return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
445 "type", EV_LINK_DEST_TYPE_XYZ,
454 ev_link_dest_new_fit (gint page)
456 return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
458 "type", EV_LINK_DEST_TYPE_FIT,
463 ev_link_dest_new_fith (gint page,
467 EvDestChange change = 0;
470 change |= EV_DEST_CHANGE_TOP;
472 return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
474 "type", EV_LINK_DEST_TYPE_FITH,
481 ev_link_dest_new_fitv (gint page,
483 gboolean change_left)
485 EvDestChange change = 0;
488 change |= EV_DEST_CHANGE_LEFT;
490 return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
492 "type", EV_LINK_DEST_TYPE_FITV,
499 ev_link_dest_new_fitr (gint page,
505 EvDestChange change = EV_DEST_CHANGE_TOP | EV_DEST_CHANGE_LEFT;
507 return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
509 "type", EV_LINK_DEST_TYPE_FITR,
519 ev_link_dest_new_named (const gchar *named_dest)
521 return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
523 "type", EV_LINK_DEST_TYPE_NAMED,
528 ev_link_dest_new_page_label (const gchar *page_label)
530 return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
531 "page_label", page_label,
532 "type", EV_LINK_DEST_TYPE_PAGE_LABEL,