[evince] libview: Add API to get the selected text

[Jose Aliste <jaliste src gnome org>]

commit 8bca7b22961d3e6119eeb3e44190cb365a46bdc2
Author: Will Hawkins <hakinsw borlaugic com>
Date:   Wed Mar 28 22:35:46 2018 -0300

    libview: Add API to get the selected text
    
    To add search for selected text, we need to pass the
    selected text from the EvView to the shell. Thus
    we add a method to get the selected text from the View.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=794538

 libview/ev-view.c |   18 ++++++++++++++++++
 libview/ev-view.h |    1 +
 2 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/libview/ev-view.c b/libview/ev-view.c
index 488c368..f22a0c8 100644
--- a/libview/ev-view.c
+++ b/libview/ev-view.c
@@ -5656,6 +5656,24 @@ ev_view_motion_notify_event (GtkWidget      *widget,
 
        return FALSE;
 }
+/**
+ * ev_view_get_selected_text:
+ * @view: #EvView instance
+ *
+ * Returns a pointer to a constant string containing the selected
+ * text in the view.
+ *
+ * The value returned may be NULL if there is no selected text.
+ *
+ * Returns: The string representing selected text.
+ *
+ * Since: 3.30
+ */
+char *
+ev_view_get_selected_text (EvView *view)
+{
+       return get_selected_text (view);
+}
 
 /**
  * ev_view_add_text_markup_annotation_for_selected_text:
diff --git a/libview/ev-view.h b/libview/ev-view.h
index e2a243f..d458df0 100644
--- a/libview/ev-view.h
+++ b/libview/ev-view.h
@@ -66,6 +66,7 @@ void            ev_view_copy_link_address (EvView         *view,
                                           EvLinkAction   *action);
 void           ev_view_select_all        (EvView         *view);
 gboolean        ev_view_get_has_selection (EvView         *view);
+char *   ev_view_get_selected_text (EvView  *view);
 
 /* Page size */
 gboolean       ev_view_can_zoom_in       (EvView         *view);