Patch from Lincoln (#3319) to make the range selection box not display trim handles...

[ardour.git] / gtk2_ardour / automation_streamview.cc

diff --git a/gtk2_ardour/automation_streamview.cc b/gtk2_ardour/automation_streamview.cc
index 9471d7c4065111dddb7a1894c9f00692c4d1e63e..146cdc7b8918077f672e772b115533b00ff84fdb 100644 (file)
--- a/gtk2_ardour/automation_streamview.cc
+++ b/gtk2_ardour/automation_streamview.cc
@@ -58,6 +58,7 @@ AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
                      new ArdourCanvas::Group(*tv.canvas_display()))
        , _controller(tv.controller())
        , _automation_view(tv)
+       , _pending_automation_state (Off)
 {
        //canvas_rect->property_fill_color_rgba() = stream_base_color;
        canvas_rect->property_outline_color_rgba() = RGBA_BLACK;
@@ -82,9 +83,9 @@ AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region
                        mr->midi_source()->load_model();
        }
 
-       const boost::shared_ptr<AutomationControl> control
-               = boost::dynamic_pointer_cast<AutomationControl>(
-                               region->control(_controller->controllable()->parameter()));
+       const boost::shared_ptr<AutomationControl> control = boost::dynamic_pointer_cast<AutomationControl> (
+               region->control (_controller->controllable()->parameter(), true)
+               );
 
        boost::shared_ptr<AutomationList> list;
        if (control) {
@@ -130,6 +131,12 @@ AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region
        /* catch regionview going away */
        region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
 
+       /* setup automation state for this region */
+       boost::shared_ptr<AutomationLine> line = region_view->line ();
+       if (line && line->the_list()) {
+               line->the_list()->set_automation_state (automation_state ());
+       }
+       
        RegionViewAdded (region_view);
 
        return region_view;
@@ -144,11 +151,18 @@ AutomationStreamView::display_region(AutomationRegionView* region_view)
 void
 AutomationStreamView::set_automation_state (AutoState state)
 {
-       std::list<RegionView *>::iterator i;
-       for (i = region_views.begin(); i != region_views.end(); ++i) {
-               boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*)(*i))->line();
-               if (line && line->the_list()) {
-                       line->the_list()->set_automation_state (state);
+       /* XXX: not sure if this is right, but for now the automation state is basically held by
+          the regions' AutomationLists.  Each region is always set to have the same AutoState.
+       */
+       
+       if (region_views.empty()) {
+               _pending_automation_state = state;
+       } else {
+               for (std::list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+                       boost::shared_ptr<AutomationLine> line = dynamic_cast<AutomationRegionView*>(*i)->line();
+                       if (line && line->the_list()) {
+                               line->the_list()->set_automation_state (state);
+                       }
                }
        }
 }
@@ -196,10 +210,8 @@ AutomationStreamView::color_handler ()
 AutoState
 AutomationStreamView::automation_state () const
 {
-       /* XXX: bit of a hack: just return the state of our first RegionView */
-
        if (region_views.empty()) {
-               return Off;
+               return _pending_automation_state;
        }
 
        boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
@@ -209,3 +221,44 @@ AutomationStreamView::automation_state () const
 
        return line->the_list()->automation_state ();
 }
+
+bool
+AutomationStreamView::has_automation () const
+{
+       list<RegionView*>::const_iterator i = region_views.begin ();
+       while (i != region_views.end()) {
+               AutomationRegionView* rv = static_cast<AutomationRegionView*> (*i);
+               if (rv->line() && rv->line()->npoints() > 0) {
+                       return true;
+               }
+               ++i;
+       }
+
+       return false;
+}
+
+/** Our parent AutomationTimeAxisView calls this when the user requests a particular
+ *  InterpolationStyle; tell the AutomationLists in our regions.
+ */
+void
+AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
+{
+       for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
+               AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
+               assert (arv);
+               arv->line()->the_list()->set_interpolation (s);
+       }
+}
+
+AutomationList::InterpolationStyle
+AutomationStreamView::interpolation () const
+{
+       if (region_views.empty()) {
+               return AutomationList::Linear;
+       }
+
+       AutomationRegionView* v = dynamic_cast<AutomationRegionView*> (region_views.front());
+       assert (v);
+
+       return v->line()->the_list()->interpolation ();
+}