Preliminary history implementation

2006-11-19  Nickolay V. Shmyrev  <nshmyrev@yandex.ru>

	* data/evince-toolbar.xml:
	* po/POTFILES.in:
	* shell/Makefile.am:
	* shell/ev-navigation-action-widget.c:
	(ev_navigation_action_widget_init),
	(ev_navigation_action_widget_class_init), (menu_deactivate_cb),
	(menu_detacher), (ev_navigation_action_widget_set_menu),
	(menu_position_func), (popup_menu_under_arrow),
	(ev_navigation_action_widget_toggled),
	(ev_navigation_action_widget_button_press_event):
	* shell/ev-navigation-action-widget.h:
	* shell/ev-navigation-action.c: (ev_navigation_action_set_history),
	(ev_navigation_action_set_window), (activate_menu_item_cb),
	(new_history_menu_item), (new_empty_history_menu_item),
	(build_menu), (menu_activated_cb), (connect_proxy),
	(create_tool_item), (ev_navigation_action_init),
	(ev_navigation_action_finalize), (ev_navigation_action_class_init):
	* shell/ev-navigation-action.h:
	* shell/ev-page-action-widget.c: (ev_page_action_widget_init),
	(ev_page_action_widget_set_page_cache),
	(ev_page_action_widget_finalize),
	(ev_page_action_widget_class_init), (match_selected_cb),
	(display_completion_text), (match_completion), (build_new_tree_cb),
	(get_filter_model_from_model),
	(ev_page_action_widget_update_model):
	* shell/ev-page-action-widget.h:
	* shell/ev-page-action.c: (activate_link_cb), (update_model),
	(connect_proxy):
	* shell/ev-page-action.h:
	* shell/ev-stock-icons.c:
	* shell/ev-stock-icons.h:
	* shell/ev-window.c: (ev_window_setup_action_sensitivity),
	(page_changed_cb), (ev_window_setup_document), (ev_window_dispose),
	(register_custom_actions):
	* shell/main.c:

	Preliminary history implementation

1 files changed, 230 insertions, 0 deletions

diff --git a/shell/ev-navigation-action.c b/shell/ev-navigation-action.c
new file mode 100644
index 0000000..4eeda9a
--- /dev/null
+++ b/shell/ev-navigation-action.c
@@ -0,0 +1,230 @@
+/*
+ *  Copyright (C) 2003, 2004 Marco Pesenti Gritti
+ *  Copyright (C) 2003, 2004 Christian Persch
+ *
+ *  This program 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, or (at your option)
+ *  any later version.
+ *
+ *  This program 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 "config.h"
+
+#include "ev-navigation-action.h"
+#include "ev-navigation-action-widget.h"
+#include "ev-window.h"
+
+#include <gtk/gtklabel.h>
+#include <gtk/gtkimage.h>
+#include <gtk/gtkmenuitem.h>
+#include <gtk/gtkimagemenuitem.h>
+#include <gtk/gtkmenushell.h>
+#include <gtk/gtkmenu.h>
+#include <gtk/gtkmenutoolbutton.h>
+#include <glib/gi18n.h>
+
+struct _EvNavigationActionPrivate
+{
+	EvWindow *window;
+	EvHistory *history;
+};
+
+static void ev_navigation_action_init       (EvNavigationAction *action);
+static void ev_navigation_action_class_init (EvNavigationActionClass *class);
+
+static GObjectClass *parent_class = NULL;
+
+G_DEFINE_TYPE (EvNavigationAction, ev_navigation_action, GTK_TYPE_ACTION)
+
+#define MAX_LABEL_LENGTH 48
+
+#define EV_NAVIGATION_ACTION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_NAVIGATION_ACTION, EvNavigationActionPrivate))
+
+void
+ev_navigation_action_set_history (EvNavigationAction *action,
+				  EvHistory	     *history)
+{
+	action->priv->history = history;
+
+	g_object_add_weak_pointer (G_OBJECT (action->priv->history),
+				   (gpointer *) &action->priv->history);
+}
+
+void
+ev_navigation_action_set_window (EvNavigationAction *action,
+				 EvWindow	    *window)
+{
+	action->priv->window = window;
+}
+
+static void
+activate_menu_item_cb (GtkWidget *widget, EvNavigationAction *action)
+{
+	int index;
+
+	g_return_if_fail (EV_IS_HISTORY (action->priv->history));
+
+	index = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "index"));
+	ev_history_set_current_index (action->priv->history, index);
+	
+	if (action->priv->window) {
+		EvLink *link;
+		EvLinkAction *link_action;
+		EvLinkDest *dest;
+
+		link = ev_history_get_link_nth (action->priv->history, index);
+		link_action = ev_link_get_action (link);
+		dest = ev_link_action_get_dest (link_action);
+		
+		ev_window_goto_dest (action->priv->window, dest);
+	}
+}
+
+static GtkWidget *
+new_history_menu_item (EvNavigationAction *action,
+		       EvLink             *link,
+		       int                 index)
+{
+	GtkLabel *label;
+	GtkWidget *item;
+	const char *title;
+
+	title = ev_link_get_title (link);
+	item = gtk_image_menu_item_new_with_label (title);
+	g_object_set_data (G_OBJECT (item), "index",
+			   GINT_TO_POINTER (index));
+
+	label = GTK_LABEL (GTK_BIN (item)->child);
+	gtk_label_set_ellipsize (label, PANGO_ELLIPSIZE_END);
+	gtk_label_set_max_width_chars (label, MAX_LABEL_LENGTH);
+
+	g_signal_connect (item, "activate",
+			  G_CALLBACK (activate_menu_item_cb),
+			  action);
+
+	gtk_widget_show (item);
+
+	return item;
+}
+
+static GtkWidget *
+new_empty_history_menu_item (EvNavigationAction *action)
+{
+	GtkWidget *item;
+	
+	item = gtk_image_menu_item_new_with_label (_("Empty"));
+	gtk_widget_set_sensitive (item, FALSE);
+	gtk_widget_show (item);
+	
+	return item;
+}
+
+static GtkWidget *
+build_menu (EvNavigationAction *action)
+{
+	GtkMenuShell *menu;
+	GtkWidget *item;
+	EvLink *link;
+	EvHistory *history = action->priv->history;
+	int start, end, i;
+
+	menu = GTK_MENU_SHELL (gtk_menu_new ());
+
+	if (history == NULL || ev_history_get_n_links (history) <= 0) {
+		item = new_empty_history_menu_item (action);
+		gtk_menu_shell_append (menu, item);		
+		return GTK_WIDGET (menu);
+	}
+
+	start = 0;
+	end = ev_history_get_n_links (history);
+
+	for (i = start; i < end; i++) {
+		link = ev_history_get_link_nth (history, i);
+		item = new_history_menu_item (action, link, i);
+		gtk_menu_shell_append (menu, item);
+	}
+
+	return GTK_WIDGET (menu);
+}
+
+static void
+menu_activated_cb (EvNavigationActionWidget *button,
+		   EvNavigationAction *action)
+{
+	GtkWidget *menu;
+
+	menu = build_menu (action);
+	ev_navigation_action_widget_set_menu (button, menu);
+}
+
+static void
+connect_proxy (GtkAction *action, GtkWidget *proxy)
+{
+	GtkWidget *menu;
+
+	/* set dummy menu so the arrow gets sensitive */
+	menu = gtk_menu_new ();
+	ev_navigation_action_widget_set_menu (EV_NAVIGATION_ACTION_WIDGET (proxy), menu);
+
+	g_signal_connect (proxy, "show-menu",
+			  G_CALLBACK (menu_activated_cb), action);
+
+	GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
+}
+
+static GtkWidget *
+create_tool_item (GtkAction *action)
+{
+	EvNavigationActionWidget *proxy;
+
+	proxy = g_object_new (EV_TYPE_NAVIGATION_ACTION_WIDGET, NULL);
+	gtk_widget_show (GTK_WIDGET (proxy));
+
+	return GTK_WIDGET (proxy);
+}
+
+static void
+ev_navigation_action_init (EvNavigationAction *action)
+{
+	action->priv = EV_NAVIGATION_ACTION_GET_PRIVATE (action);
+}
+
+static void
+ev_navigation_action_finalize (GObject *object)
+{
+	EvNavigationAction *action = EV_NAVIGATION_ACTION (object);
+
+	if (action->priv->history) {
+		g_object_add_weak_pointer (G_OBJECT (action->priv->history),
+					   (gpointer *) &action->priv->history);
+	}
+
+	parent_class->finalize (object);
+}
+
+static void
+ev_navigation_action_class_init (EvNavigationActionClass *class)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (class);
+	GtkActionClass *action_class = GTK_ACTION_CLASS (class);
+
+	object_class->finalize = ev_navigation_action_finalize;
+	parent_class = g_type_class_peek_parent (class);
+
+	action_class->toolbar_item_type = GTK_TYPE_TOOL_ITEM;
+	action_class->create_tool_item = create_tool_item;
+	action_class->connect_proxy = connect_proxy;
+
+	g_type_class_add_private (object_class, sizeof (EvNavigationActionPrivate));
+}