2 * Copyright (C) 2003, 2004 Marco Pesenti Gritti
3 * Copyright (C) 2003, 2004 Christian Persch
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2, or (at your option)
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #include "ev-navigation-action.h"
25 #include "ev-window.h"
27 #include <gtk/gtklabel.h>
28 #include <gtk/gtkimage.h>
29 #include <gtk/gtkmenuitem.h>
30 #include <gtk/gtkimagemenuitem.h>
31 #include <gtk/gtkmenushell.h>
32 #include <gtk/gtkmenu.h>
33 #include <gtk/gtkmenutoolbutton.h>
35 struct _EvNavigationActionPrivate
38 EvNavigationDirection direction;
50 static void ev_navigation_action_init (EvNavigationAction *action);
51 static void ev_navigation_action_class_init (EvNavigationActionClass *class);
53 static GObjectClass *parent_class = NULL;
55 G_DEFINE_TYPE (EvNavigationAction, ev_navigation_action, GTK_TYPE_ACTION)
57 #define MAX_LABEL_LENGTH 48
59 #define EV_NAVIGATION_ACTION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_NAVIGATION_ACTION, EvNavigationActionPrivate))
62 ev_navigation_action_set_history (EvNavigationAction *action,
65 action->priv->history = history;
67 g_object_add_weak_pointer (G_OBJECT (action->priv->history),
68 (gpointer *) &action->priv->history);
72 activate_menu_item_cb (GtkWidget *widget, EvNavigationAction *action)
76 g_return_if_fail (EV_IS_HISTORY (action->priv->history));
78 index = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "index"));
79 ev_history_set_current_index (action->priv->history, index);
83 new_history_menu_item (EvNavigationAction *action,
91 title = ev_link_get_title (link);
92 item = gtk_image_menu_item_new_with_label (title);
93 g_object_set_data (G_OBJECT (item), "index",
94 GINT_TO_POINTER (index));
96 label = GTK_LABEL (GTK_BIN (item)->child);
97 gtk_label_set_ellipsize (label, PANGO_ELLIPSIZE_END);
98 gtk_label_set_max_width_chars (label, MAX_LABEL_LENGTH);
100 g_signal_connect (item, "activate",
101 G_CALLBACK (activate_menu_item_cb),
104 gtk_widget_show (item);
110 build_menu (EvNavigationAction *action)
113 EvHistory *history = action->priv->history;
116 menu = GTK_MENU_SHELL (gtk_menu_new ());
118 if (history == NULL) {
119 return GTK_WIDGET (menu);
122 if (action->priv->direction == EV_NAVIGATION_DIRECTION_BACK) {
124 end = ev_history_get_current_index (history);
126 start = ev_history_get_current_index (history) + 1;
127 end = ev_history_get_n_links (history);
130 for (i = start; i < end; i++) {
131 EvLink *link = ev_history_get_link_nth (history, i);
134 item = new_history_menu_item (action, link, i);
135 gtk_menu_shell_append (menu, item);
138 return GTK_WIDGET (menu);
142 menu_activated_cb (GtkMenuToolButton *button,
143 EvNavigationAction *action)
147 menu = build_menu (action);
148 gtk_menu_tool_button_set_menu (button, menu);
152 set_tooltip_cb (GtkMenuToolButton *proxy,
153 GtkTooltips *tooltips,
155 const char *tip_private,
156 EvNavigationAction *action)
158 gtk_menu_tool_button_set_arrow_tooltip (proxy, tooltips,
159 action->priv->arrow_tooltip,
162 /* don't stop emission */
167 connect_proxy (GtkAction *action, GtkWidget *proxy)
169 if (GTK_IS_MENU_TOOL_BUTTON (proxy))
173 /* set dummy menu so the arrow gets sensitive */
174 menu = gtk_menu_new ();
175 gtk_menu_tool_button_set_menu (GTK_MENU_TOOL_BUTTON (proxy), menu);
177 g_signal_connect (proxy, "show-menu",
178 G_CALLBACK (menu_activated_cb), action);
180 g_signal_connect (proxy, "set-tooltip",
181 G_CALLBACK (set_tooltip_cb), action);
184 GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
188 ev_navigation_action_init (EvNavigationAction *action)
190 action->priv = EV_NAVIGATION_ACTION_GET_PRIVATE (action);
194 ev_navigation_action_finalize (GObject *object)
196 EvNavigationAction *action = EV_NAVIGATION_ACTION (object);
198 if (action->priv->history) {
199 g_object_add_weak_pointer (G_OBJECT (action->priv->history),
200 (gpointer *) &action->priv->history);
203 g_free (action->priv->arrow_tooltip);
205 parent_class->finalize (object);
209 ev_navigation_action_set_property (GObject *object,
214 EvNavigationAction *nav = EV_NAVIGATION_ACTION (object);
218 case PROP_ARROW_TOOLTIP:
219 nav->priv->arrow_tooltip = g_value_dup_string (value);
220 g_object_notify (object, "tooltip");
223 nav->priv->direction = g_value_get_int (value);
229 ev_navigation_action_get_property (GObject *object,
234 EvNavigationAction *nav = EV_NAVIGATION_ACTION (object);
238 case PROP_ARROW_TOOLTIP:
239 g_value_set_string (value, nav->priv->arrow_tooltip);
242 g_value_set_int (value, nav->priv->direction);
248 ev_navigation_action_class_init (EvNavigationActionClass *class)
250 GObjectClass *object_class = G_OBJECT_CLASS (class);
251 GtkActionClass *action_class = GTK_ACTION_CLASS (class);
253 object_class->finalize = ev_navigation_action_finalize;
254 object_class->set_property = ev_navigation_action_set_property;
255 object_class->get_property = ev_navigation_action_get_property;
257 parent_class = g_type_class_peek_parent (class);
259 action_class->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
260 action_class->connect_proxy = connect_proxy;
262 g_object_class_install_property (object_class,
264 g_param_spec_string ("arrow-tooltip",
270 g_object_class_install_property (object_class,
272 g_param_spec_int ("direction",
280 g_type_class_add_private (object_class, sizeof (EvNavigationActionPrivate));