[gtksourceview/wip/chergert/snippets] scroll to insertion points

[Christian Hergert <chergert src gnome org>]

commit ff20f2d103a89c67e6ade4db24956fa7f735cdc5
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jan 28 20:13:13 2020 -0800

    scroll to insertion points

 gtksourceview/gtksourceview-snippets.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/gtksourceview/gtksourceview-snippets.c b/gtksourceview/gtksourceview-snippets.c
index e01f77aa..899eba61 100644
--- a/gtksourceview/gtksourceview-snippets.c
+++ b/gtksourceview/gtksourceview-snippets.c
@@ -63,6 +63,15 @@ gtk_source_view_snippets_unblock (GtkSourceViewSnippets *snippets)
                                  snippets->buffer_cursor_moved_handler);
 }
 
+static void
+gtk_source_view_snippets_scroll_to_insert (GtkSourceViewSnippets *snippets)
+{
+       g_assert (snippets != NULL);
+
+       gtk_text_view_scroll_mark_onscreen (GTK_TEXT_VIEW (snippets->view),
+                                           gtk_text_buffer_get_insert (snippets->buffer));
+}
+
 static void
 buffer_insert_text_cb (GtkTextBuffer         *buffer,
                        GtkTextIter           *location,
@@ -427,6 +436,8 @@ _gtk_source_view_snippets_key_pressed (GtkSourceViewSnippets *snippets,
                                        _gtk_source_view_snippets_pop (snippets);
                                }
 
+                               gtk_source_view_snippets_scroll_to_insert (snippets);
+
                                return GDK_EVENT_STOP;
                        }
                        else if (state & GDK_SHIFT_MASK)
@@ -436,6 +447,8 @@ _gtk_source_view_snippets_key_pressed (GtkSourceViewSnippets *snippets,
                                        _gtk_source_view_snippets_pop (snippets);
                                }
 
+                               gtk_source_view_snippets_scroll_to_insert (snippets);
+
                                return GDK_EVENT_STOP;
                        }
                }
@@ -450,6 +463,7 @@ _gtk_source_view_snippets_key_pressed (GtkSourceViewSnippets *snippets,
                    !has_selection &&
                    gtk_source_view_snippets_try_expand (snippets, &end))
                {
+                       gtk_source_view_snippets_scroll_to_insert (snippets);
                        return GDK_EVENT_STOP;
                }
        }
@@ -522,6 +536,8 @@ _gtk_source_view_snippets_pop (GtkSourceViewSnippets *snippets)
                        g_free (new_text);
                }
 
+               gtk_source_view_snippets_scroll_to_insert (snippets);
+
                g_object_unref (snippet);
        }
 }