[evince] [shell] Focus the selected annotation in the sidebar

[Carlos Garcia Campos <carlosgc src gnome org>]

commit d87812b63f78717e5b82c9a2170769a89b91eefd
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Mon Jul 12 19:08:10 2010 +0200

    [shell] Focus the selected annotation in the sidebar

 shell/ev-sidebar-annotations.c |   49 ++++++++++++++++++++++++++++++++++++++++
 shell/ev-sidebar-annotations.h |    2 +
 shell/ev-window.c              |   12 +++++++++
 3 files changed, 63 insertions(+), 0 deletions(-)
---
diff --git a/shell/ev-sidebar-annotations.c b/shell/ev-sidebar-annotations.c
index 67a49f1..b1f0848 100644
--- a/shell/ev-sidebar-annotations.c
+++ b/shell/ev-sidebar-annotations.c
@@ -41,15 +41,23 @@ enum {
 	N_COLUMNS
 };
 
+enum {
+	ANNOT_ACTIVATED,
+	N_SIGNALS
+};
+
 struct _EvSidebarAnnotationsPrivate {
 	GtkWidget  *notebook;
 	GtkWidget  *tree_view;
 
 	EvJob      *job;
+	guint       selection_changed_id;
 };
 
 static void ev_sidebar_annotations_page_iface_init (EvSidebarPageInterface *iface);
 
+static guint signals[N_SIGNALS];
+
 G_DEFINE_TYPE_EXTENDED (EvSidebarAnnotations,
                         ev_sidebar_annotations,
                         GTK_TYPE_VBOX,
@@ -91,6 +99,7 @@ ev_sidebar_annotations_add_annots_list (EvSidebarAnnotations *ev_annots)
 	GtkTreeModel      *loading_model;
 	GtkCellRenderer   *renderer;
 	GtkTreeViewColumn *column;
+	GtkTreeSelection  *selection;
 
 	swindow = gtk_scrolled_window_new (NULL, NULL);
 	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
@@ -105,6 +114,8 @@ ev_sidebar_annotations_add_annots_list (EvSidebarAnnotations *ev_annots)
 
 	gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (ev_annots->priv->tree_view),
 					   FALSE);
+	selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (ev_annots->priv->tree_view));
+	gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE);
 
 	column = gtk_tree_view_column_new ();
 
@@ -173,6 +184,16 @@ ev_sidebar_annotations_class_init (EvSidebarAnnotationsClass *klass)
 	g_type_class_add_private (g_object_class, sizeof (EvSidebarAnnotationsPrivate));
 
 	g_object_class_override_property (g_object_class, PROP_WIDGET, "main-widget");
+
+	signals[ANNOT_ACTIVATED] =
+		g_signal_new ("annot-activated",
+			      G_TYPE_FROM_CLASS (g_object_class),
+			      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+			      G_STRUCT_OFFSET (EvSidebarAnnotationsClass, annot_activated),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__POINTER,
+			      G_TYPE_NONE, 1,
+			      G_TYPE_POINTER);
 }
 
 GtkWidget *
@@ -182,11 +203,30 @@ ev_sidebar_annotations_new (void)
 }
 
 static void
+selection_changed_cb (GtkTreeSelection     *selection,
+		      EvSidebarAnnotations *sidebar_annots)
+{
+	GtkTreeModel *model;
+	GtkTreeIter   iter;
+
+	if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
+		EvMapping *mapping = NULL;
+
+		gtk_tree_model_get (model, &iter,
+				    COLUMN_ANNOT_MAPPING, &mapping,
+				    -1);
+		if (mapping)
+			g_signal_emit (sidebar_annots, signals[ANNOT_ACTIVATED], 0, mapping);
+	}
+}
+
+static void
 job_finished_callback (EvJobAnnots          *job,
 		       EvSidebarAnnotations *sidebar_annots)
 {
 	EvSidebarAnnotationsPrivate *priv;
 	GtkTreeStore *model;
+	GtkTreeSelection *selection;
 	GList *l;
 	GdkPixbuf *text_icon = NULL;
 	GdkPixbuf *attachment_icon = NULL;
@@ -206,6 +246,15 @@ job_finished_callback (EvJobAnnots          *job,
 		return;
 	}
 
+	selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
+	gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
+	if (priv->selection_changed_id == 0) {
+		priv->selection_changed_id =
+			g_signal_connect (selection, "changed",
+					  G_CALLBACK (selection_changed_cb),
+					  sidebar_annots);
+	}
+
 	model = gtk_tree_store_new (N_COLUMNS,
 				    G_TYPE_STRING,
 				    GDK_TYPE_PIXBUF,
diff --git a/shell/ev-sidebar-annotations.h b/shell/ev-sidebar-annotations.h
index 72c5cc3..8762d78 100644
--- a/shell/ev-sidebar-annotations.h
+++ b/shell/ev-sidebar-annotations.h
@@ -46,6 +46,8 @@ struct _EvSidebarAnnotations {
 struct _EvSidebarAnnotationsClass {
 	GtkVBoxClass base_class;
 
+	void    (* annot_activated) (EvSidebarAnnotations *sidebar_annots,
+				     EvMapping            *mapping);
 };
 
 GType      ev_sidebar_annotations_get_type (void) G_GNUC_CONST;
diff --git a/shell/ev-window.c b/shell/ev-window.c
index 9228f4a..168ed67 100644
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -5376,6 +5376,14 @@ sidebar_layers_visibility_changed (EvSidebarLayers *layers,
 }
 
 static void
+sidebar_annots_annot_activated_cb (EvSidebarAnnotations *sidebar_annots,
+				   EvMapping            *annot_mapping,
+				   EvWindow             *window)
+{
+	ev_view_focus_annotation (EV_VIEW (window->priv->view), annot_mapping);
+}
+
+static void
 register_custom_actions (EvWindow *window, GtkActionGroup *group)
 {
 	GtkAction *action;
@@ -6537,6 +6545,10 @@ ev_window_init (EvWindow *ev_window)
 
 	sidebar_widget = ev_sidebar_annotations_new ();
 	ev_window->priv->sidebar_annots = sidebar_widget;
+	g_signal_connect (sidebar_widget,
+			  "annot_activated",
+			  G_CALLBACK (sidebar_annots_annot_activated_cb),
+			  ev_window);
 	gtk_widget_show (sidebar_widget);
 	ev_sidebar_add_page (EV_SIDEBAR (ev_window->priv->sidebar),
 			     sidebar_widget);