Remove "implicit" selection for plugin deletion.

Allow deletions in the mixer strip to fall through to editor if nothing was selected.

gtk2_ardour/editor_ops.cc

@@ -3734,10 +3734,12 @@ Editor::delete_ ()
 {
 	//special case: if the user is pointing in the editor/mixer strip, they may be trying to delete a plugin.
 	//we need this because the editor-mixer strip is in the editor window, so it doesn't get the bindings from the mix window
+	bool deleted = false;
 	MixerStrip *entered = MixerStrip::entered_mixer_strip();
 	if ( current_mixer_strip && current_mixer_strip == entered )
-		current_mixer_strip->delete_processors ();
-	else
+		deleted = current_mixer_strip->delete_processors ();
+
+	if (!deleted)
 		cut_copy (Delete);
 }
 

gtk2_ardour/mixer_strip.cc

@@ -2219,10 +2219,10 @@ MixerStrip::select_all_processors ()
 	processor_box.processor_operation (ProcessorBox::ProcessorsSelectAll);
 }
 
-void
+bool
 MixerStrip::delete_processors ()
 {
-	processor_box.processor_operation (ProcessorBox::ProcessorsDelete);
+	return processor_box.processor_operation (ProcessorBox::ProcessorsDelete);
 }
 
 void

gtk2_ardour/mixer_strip.h

@@ -126,7 +126,7 @@ class MixerStrip : public RouteUI, public Gtk::EventBox
 	void cut_processors ();
 	void paste_processors ();
 	void select_all_processors ();
-	void delete_processors ();
+	bool delete_processors ();  //note: returns false if nothing was deleted
 	void toggle_processors ();
 	void ab_plugins ();
 

gtk2_ardour/mixer_ui.cc

@@ -1912,8 +1912,7 @@ Mixer_UI::set_route_targets_for_operation ()
 		return;
 	}
 
-	/* nothing selected ... try to get mixer strip at mouse */
-
+/*  removed "implicit" selections of strips and plugins, after discussion on IRC
 	int x, y;
 	get_pointer (x, y);
 	
@@ -1922,6 +1921,8 @@ Mixer_UI::set_route_targets_for_operation ()
 	if (ms) {
 		_route_targets.insert (ms);
 	}
+*/
+
 }
 
 void

gtk2_ardour/processor_box.cc

@@ -1195,14 +1195,18 @@ ProcessorBox::leave_notify (GdkEventCrossing*)
 	return false;
 }
 
-void
+bool
 ProcessorBox::processor_operation (ProcessorOperation op) 
 {
 	ProcSelection targets;
 
 	get_selected_processors (targets);
 
-	if (targets.empty()) {
+	if ((op == ProcessorsDelete) && targets.empty())
+		return false;  //special case:  editor-mixer needs to know that nothing got deleted;  the user probably meant to delete something in the editor
+
+/* removed "implicit" selections of strips and plugins, after discussion on IRC
+ 	if (targets.empty()) {
 
 		int x, y;
 		processor_display.get_pointer (x, y);
@@ -1213,6 +1217,7 @@ ProcessorBox::processor_operation (ProcessorOperation op)
 			targets.push_back (pointer.first->processor ());
 		}
 	}
+*/
 
 	switch (op) {
 	case ProcessorsSelectAll:
@@ -1256,6 +1261,8 @@ ProcessorBox::processor_operation (ProcessorOperation op)
 	default:
 		break;
 	}
+	
+	return true;
 }
 
 ProcessorWindowProxy* 

gtk2_ardour/processor_box.h

@@ -280,7 +280,7 @@ class ProcessorBox : public Gtk::HBox, public PluginInterestedObject, public ARD
 	void set_route (boost::shared_ptr<ARDOUR::Route>);
 	void set_width (Width);
 
-	void processor_operation (ProcessorOperation);
+	bool processor_operation (ProcessorOperation);
 
 	void select_all_processors ();
 	void deselect_all_processors ();