[evince] libview: Added 'cursor-moved' signal to notify when the caret cursor has been moved.

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 4eecb334f4b79b7848c6d235779e16766cd61f1f
Author: Antia Puentes <apuentes igalia com>
Date:   Wed Jun 26 20:01:04 2013 +0200

    libview: Added 'cursor-moved' signal to notify when the caret cursor has been moved.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=702078

 libview/ev-view.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/libview/ev-view.c b/libview/ev-view.c
index 15950b4..f7f5bff 100644
--- a/libview/ev-view.c
+++ b/libview/ev-view.c
@@ -58,6 +58,7 @@ enum {
        SIGNAL_ANNOT_ADDED,
        SIGNAL_LAYERS_CHANGED,
        SIGNAL_MOVE_CURSOR,
+       SIGNAL_CURSOR_MOVED,
        N_SIGNALS
 };
 
@@ -4108,6 +4109,8 @@ position_caret_cursor_for_event (EvView         *view,
 
        view->cursor_line_offset = area.x;
 
+       g_signal_emit (view, signals[SIGNAL_CURSOR_MOVED], 0, view->cursor_page, view->cursor_offset);
+
        return TRUE;
 }
 
@@ -5101,6 +5104,8 @@ ev_view_move_cursor (EvView         *view,
        ev_document_model_set_page (view->model, view->cursor_page);
        ensure_rectangle_is_visible (view, &rect);
 
+       g_signal_emit (view, signals[SIGNAL_CURSOR_MOVED], 0, view->cursor_page, view->cursor_offset);
+
        /* Select text */
        if (extend_selection && EV_IS_SELECTION (view->document)) {
                GdkRectangle prev_rect;
@@ -5924,6 +5929,15 @@ ev_view_class_init (EvViewClass *class)
                         GTK_TYPE_MOVEMENT_STEP,
                         G_TYPE_INT,
                         G_TYPE_BOOLEAN);
+       signals[SIGNAL_CURSOR_MOVED] = g_signal_new ("cursor-moved",
+                        G_TYPE_FROM_CLASS (object_class),
+                        G_SIGNAL_RUN_LAST,
+                        0,
+                        NULL, NULL,
+                        ev_view_marshal_VOID__INT_INT,
+                        G_TYPE_NONE, 2,
+                        G_TYPE_INT,
+                        G_TYPE_INT);
 
        binding_set = gtk_binding_set_by_class (class);