[gnome-builder/wip/libide] libide: track initial cursor position

[Christian Hergert <chergert src gnome org>]

commit c033f5d1d73f35f69e4538ce3414bc8b5c8c6875
Author: Christian Hergert <christian hergert me>
Date:   Wed Mar 18 15:18:07 2015 -0700

    libide: track initial cursor position

 libide/ide-source-view.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide-source-view.c b/libide/ide-source-view.c
index b18d55e..4bb7362 100644
--- a/libide/ide-source-view.c
+++ b/libide/ide-source-view.c
@@ -1262,7 +1262,9 @@ static void
 ide_source_view__buffer_loaded_cb (IdeSourceView *self,
                                    IdeBuffer     *buffer)
 {
+  IdeSourceViewPrivate *priv = ide_source_view_get_instance_private (self);
   GtkTextMark *insert;
+  GtkTextIter iter;
 
   g_assert (IDE_IS_SOURCE_VIEW (self));
   g_assert (IDE_IS_BUFFER (buffer));
@@ -1278,6 +1280,12 @@ ide_source_view__buffer_loaded_cb (IdeSourceView *self,
    */
   insert = gtk_text_buffer_get_insert (GTK_TEXT_BUFFER (buffer));
   gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (self), insert, 0.0, TRUE, 1.0, 0.5);
+
+  /*
+   * Store the line offset so movements are correct.
+   */
+  gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (buffer), &iter, insert);
+  priv->target_line_offset = gtk_text_iter_get_line_offset (&iter);
 }
 
 static void