adjust plugin-UI height when toggling expanders

[ardour.git] / gtk2_ardour / editor_cursors.cc

diff --git a/gtk2_ardour/editor_cursors.cc b/gtk2_ardour/editor_cursors.cc
index 740b96f9655a983700202c267ad17a320b463523..40245778d5b950dfc270f540c7484c79ddf8de06 100644 (file)
--- a/gtk2_ardour/editor_cursors.cc
+++ b/gtk2_ardour/editor_cursors.cc
@@ -33,8 +33,7 @@ using namespace Gtk;
 
 EditorCursor::EditorCursor (Editor& ed, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
        : _editor (ed)
-       , _track_canvas_item (new ArdourCanvas::Arrow (_editor.get_hscroll_group()))
-       , _length (1.0)
+       , _track_canvas_item (new ArdourCanvas::Arrow (_editor.get_cursor_scroll_group()))
 {
        CANVAS_DEBUG_NAME (_track_canvas_item, "track canvas editor cursor");
 
@@ -48,14 +47,15 @@ EditorCursor::EditorCursor (Editor& ed, bool (Editor::*callbck)(GdkEvent*,Ardour
        _track_canvas_item->Event.connect (sigc::bind (sigc::mem_fun (ed, callbck), _track_canvas_item));
 
        _track_canvas_item->set_y1 (ArdourCanvas::COORD_MAX);
-       
+
+       _track_canvas_item->set_x (0);
+
        _current_frame = 1; /* force redraw at 0 */
 }
 
 EditorCursor::EditorCursor (Editor& ed)
        : _editor (ed)
        , _track_canvas_item (new ArdourCanvas::Arrow (_editor.get_hscroll_group()))
-       , _length (1.0)
 {
        CANVAS_DEBUG_NAME (_track_canvas_item, "track canvas cursor");
 
@@ -63,7 +63,9 @@ EditorCursor::EditorCursor (Editor& ed)
        _track_canvas_item->set_show_head (1, false);
        _track_canvas_item->set_y1 (ArdourCanvas::COORD_MAX);
        _track_canvas_item->set_ignore_events (true);
-       
+
+       _track_canvas_item->set_x (0);
+
        _current_frame = 1; /* force redraw at 0 */
 }
 
@@ -75,11 +77,11 @@ EditorCursor::~EditorCursor ()
 void
 EditorCursor::set_position (framepos_t frame)
 {
-       PositionChanged (frame);
+       if (_current_frame != frame) { PositionChanged (frame); }
 
        double const new_pos = _editor.sample_to_pixel_unrounded (frame);
 
-       if (new_pos != _track_canvas_item->x ()) {
+       if (rint(new_pos) != rint(_track_canvas_item->x ())) {
                _track_canvas_item->set_x (new_pos);
        }