2 * Copyright (C) 2003 Marco Pesenti Gritti
3 * Copyright (C) 2003, 2004 Christian Persch
5 * Modified 2005 by James Bowes for use in evince.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 #include "ephy-zoom-action.h"
27 #include "ephy-zoom-control.h"
28 #include "ephy-zoom.h"
30 #include <glib-object.h>
31 #include <glib/gi18n.h>
34 #define EPHY_ZOOM_ACTION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_ZOOM_ACTION, EphyZoomActionPrivate))
36 struct _EphyZoomActionPrivate
48 static void ephy_zoom_action_init (EphyZoomAction *action);
49 static void ephy_zoom_action_class_init (EphyZoomActionClass *class);
57 static guint signals[LAST_SIGNAL] = { 0 };
59 static GObjectClass *parent_class = NULL;
62 ephy_zoom_action_get_type (void)
64 static GType type = 0;
66 if (G_UNLIKELY (type == 0))
68 const GTypeInfo our_info =
70 sizeof (EphyZoomActionClass),
72 NULL, /* base_finalize */
73 (GClassInitFunc) ephy_zoom_action_class_init,
75 NULL, /* class_data */
76 sizeof (EphyZoomAction),
78 (GInstanceInitFunc) ephy_zoom_action_init,
81 type = g_type_register_static (GTK_TYPE_ACTION,
90 zoom_to_level_cb (EphyZoomControl *control,
92 EphyZoomAction *action)
94 g_signal_emit (action, signals[ZOOM_TO_LEVEL_SIGNAL], 0, zoom);
98 sync_zoom_cb (GtkAction *action, GParamSpec *pspec, GtkWidget *proxy)
100 EphyZoomAction *zoom_action = EPHY_ZOOM_ACTION (action);
102 g_object_set (G_OBJECT (proxy), "zoom", zoom_action->priv->zoom, NULL);
106 connect_proxy (GtkAction *action, GtkWidget *proxy)
108 if (EPHY_IS_ZOOM_CONTROL (proxy))
110 g_signal_connect_object (action, "notify::zoom",
111 G_CALLBACK (sync_zoom_cb), proxy, 0);
113 g_signal_connect (proxy, "zoom_to_level",
114 G_CALLBACK (zoom_to_level_cb), action);
117 GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
121 proxy_menu_activate_cb (GtkMenuItem *menu_item, EphyZoomAction *action)
126 /* menu item was toggled OFF */
127 if (!gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (menu_item))) return;
129 index = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (menu_item), "zoom-level"));
130 zoom = zoom_levels[index].level;
132 if (zoom != action->priv->zoom)
134 g_signal_emit (action, signals[ZOOM_TO_LEVEL_SIGNAL], 0, zoom);
139 create_menu_item (GtkAction *action)
141 EphyZoomActionPrivate *p = EPHY_ZOOM_ACTION (action)->priv;
142 GtkWidget *menu, *menu_item;
143 GSList *group = NULL;
146 menu = gtk_menu_new ();
148 for (i = 0; i < n_zoom_levels; i++)
150 if (zoom_levels[i].level == EPHY_ZOOM_SEPARATOR)
152 menu_item = gtk_separator_menu_item_new ();
156 menu_item = gtk_radio_menu_item_new_with_label (group,
157 _(zoom_levels[i].name));
158 group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (menu_item));
160 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item),
161 p->zoom == zoom_levels[i].level);
163 g_object_set_data (G_OBJECT (menu_item), "zoom-level", GINT_TO_POINTER (i));
164 g_signal_connect_object (G_OBJECT (menu_item), "activate",
165 G_CALLBACK (proxy_menu_activate_cb), action, 0);
168 gtk_widget_show (menu_item);
169 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
172 gtk_widget_show (menu);
174 menu_item = GTK_ACTION_CLASS (parent_class)->create_menu_item (action);
176 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), menu);
178 gtk_widget_show (menu_item);
184 ephy_zoom_action_set_property (GObject *object,
189 EphyZoomAction *action;
191 action = EPHY_ZOOM_ACTION (object);
196 action->priv->zoom = g_value_get_float (value);
202 ephy_zoom_action_get_property (GObject *object,
207 EphyZoomAction *action;
209 action = EPHY_ZOOM_ACTION (object);
214 g_value_set_float (value, action->priv->zoom);
220 ephy_zoom_action_class_init (EphyZoomActionClass *class)
222 GObjectClass *object_class = G_OBJECT_CLASS (class);
223 GtkActionClass *action_class = GTK_ACTION_CLASS (class);
225 object_class->set_property = ephy_zoom_action_set_property;
226 object_class->get_property = ephy_zoom_action_get_property;
228 parent_class = g_type_class_peek_parent (class);
230 action_class->toolbar_item_type = EPHY_TYPE_ZOOM_CONTROL;
231 action_class->connect_proxy = connect_proxy;
232 action_class->create_menu_item = create_menu_item;
234 g_object_class_install_property (object_class,
236 g_param_spec_float ("zoom",
244 signals[ZOOM_TO_LEVEL_SIGNAL] =
245 g_signal_new ("zoom_to_level",
246 G_OBJECT_CLASS_TYPE (object_class),
248 G_STRUCT_OFFSET (EphyZoomActionClass, zoom_to_level),
250 g_cclosure_marshal_VOID__FLOAT,
255 g_type_class_add_private (object_class, sizeof (EphyZoomActionPrivate));
259 ephy_zoom_action_init (EphyZoomAction *action)
261 action->priv = EPHY_ZOOM_ACTION_GET_PRIVATE (action);
263 action->priv->zoom = 1.0;
267 ephy_zoom_action_set_zoom_level (EphyZoomAction *action, float zoom)
269 g_return_if_fail (EPHY_IS_ZOOM_ACTION (action));
271 if (zoom < ZOOM_MINIMAL || zoom > ZOOM_MAXIMAL) return;
273 action->priv->zoom = zoom;
274 g_object_notify (G_OBJECT (action), "zoom");
278 ephy_zoom_action_get_zoom_level (EphyZoomAction *action)
280 g_return_val_if_fail (EPHY_IS_ZOOM_ACTION (action), 1.0);
282 return action->priv->zoom;