When moving around using nudge / move to next region etc., arrange the canvas so that the playhead is either a quarter of the way from the left (when moving right) or a quarter of the way from the right (when moving left).

git-svn-id: svn://localhost/ardour2/branches/3.0@6461 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 13 insertions, 1 deletions

diff --git a/gtk2_ardour/editor_mixer.cc b/gtk2_ardour/editor_mixer.cc
index b2cca47e98..21a35f6da3 100644
--- a/gtk2_ardour/editor_mixer.cc
+++ b/gtk2_ardour/editor_mixer.cc
@@ -243,8 +243,20 @@ Editor::update_current_screen ()
 						} else {
 							center_screen (current_page_frames()/2);
 						}
+						
 					} else {
-						center_screen (frame+(current_page_frames()/2));
+
+						if (frame < leftmost_frame) {
+							/* moving left: end up with the playhead 3/4 of the way along the page */
+							nframes64_t l = frame - (3 * current_page_frames() / 4);
+							if (l < 0) {
+								l = 0;
+							}
+							center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
+						} else {
+							/* moving right: end up with the playhead 1/4 of the way along the page */
+							center_screen_internal (frame + (current_page_frames() / 4), current_page_frames ());
+						}
 					}
 				}