add an empty ProcessorEntry before the fader if there are no pre-fader processors, to strongly visually indicate that you can insert new processors there; add back a fixed, static tooltip for the processor box

git-svn-id: svn://localhost/ardour2/branches/3.0@11187 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 8 insertions, 0 deletions

diff --git a/gtk2_ardour/processor_box.h b/gtk2_ardour/processor_box.h
index bf02caf3d7..b2fde9c668 100644
--- a/gtk2_ardour/processor_box.h
+++ b/gtk2_ardour/processor_box.h
@@ -144,6 +144,12 @@ private:
 	PBD::ScopedConnection name_connection;
 };
 
+class BlankProcessorEntry : public ProcessorEntry
+{
+  public:
+	BlankProcessorEntry (Width w);
+};
+
 class SendProcessorEntry : public ProcessorEntry
 {
 public:
@@ -252,6 +258,7 @@ class ProcessorBox : public Gtk::HBox, public PluginInterestedObject, public ARD
 	 *  put at the end of the plugin list.
 	 */
 	int _placement;
+	uint32_t                  _visible_prefader_processors;
 
 	RouteProcessorSelection& _rr_selection;
 
@@ -290,6 +297,7 @@ class ProcessorBox : public Gtk::HBox, public PluginInterestedObject, public ARD
 	bool processor_button_release_event (GdkEventButton *, ProcessorEntry *);
 	void redisplay_processors ();
 	void add_processor_to_display (boost::weak_ptr<ARDOUR::Processor>);
+	void help_count_visible_prefader_processors (boost::weak_ptr<ARDOUR::Processor>, uint32_t*, bool*);
 	void reordered ();
 	void report_failed_reorder ();
 	void route_processors_changed (ARDOUR::RouteProcessorChange);