[gedit] GeditDocument: adapt code for get_iter_at_line_*() changes in GTK+

[Sébastien Wilmet <swilmet src gnome org>]

commit b05c5e09fd3bc18e4d868f25f30dade29bbc380c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Nov 12 18:20:57 2015 +0100

    GeditDocument: adapt code for get_iter_at_line_*() changes in GTK+
    
    See:
    https://git.gnome.org/browse/gtk+/commit/?id=fde91c3bece9aaea17b51ce6db8f9cb6088dbf96
    
    The gedit code still relies on the niceness of
    gtk_text_buffer_get_iter_at_line_*() functions.

 gedit/gedit-document.c |   21 ++++++++++-----------
 1 files changed, 10 insertions(+), 11 deletions(-)
---
diff --git a/gedit/gedit-document.c b/gedit/gedit-document.c
index 27813dc..f2e7f07 100644
--- a/gedit/gedit-document.c
+++ b/gedit/gedit-document.c
@@ -1475,20 +1475,19 @@ gedit_document_goto_line (GeditDocument *doc,
                          gint           line)
 {
        GtkTextIter iter;
-       gboolean ret;
 
        gedit_debug (DEBUG_DOCUMENT);
 
        g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), FALSE);
        g_return_val_if_fail (line >= -1, FALSE);
 
-       ret = gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (doc),
-                                               &iter,
-                                               line);
+       gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (doc),
+                                         &iter,
+                                         line);
 
        gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (doc), &iter);
 
-       return ret;
+       return gtk_text_iter_get_line (&iter) == line;
 }
 
 gboolean
@@ -1496,21 +1495,21 @@ gedit_document_goto_line_offset (GeditDocument *doc,
                                 gint           line,
                                 gint           line_offset)
 {
-       gboolean ret;
        GtkTextIter iter;
 
        g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), FALSE);
        g_return_val_if_fail (line >= -1, FALSE);
        g_return_val_if_fail (line_offset >= -1, FALSE);
 
-       ret = gtk_text_buffer_get_iter_at_line_offset (GTK_TEXT_BUFFER (doc),
-                                                      &iter,
-                                                      line,
-                                                      line_offset);
+       gtk_text_buffer_get_iter_at_line_offset (GTK_TEXT_BUFFER (doc),
+                                                &iter,
+                                                line,
+                                                line_offset);
 
        gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (doc), &iter);
 
-       return ret;
+       return (gtk_text_iter_get_line (&iter) == line &&
+               gtk_text_iter_get_line_offset (&iter) == line_offset);
 }
 
 /**