some structure/code for managing menu sensitivity now that VCAs are selectable

[ardour.git] / gtk2_ardour / editor_selection.cc

diff --git a/gtk2_ardour/editor_selection.cc b/gtk2_ardour/editor_selection.cc
index 2eb0279f46ab4fd02ccc99ff23d1cf93c780df43..b5a0be1c7869aa3e19c71a5a83c8ef282ac08bdb 100644 (file)
--- a/gtk2_ardour/editor_selection.cc
+++ b/gtk2_ardour/editor_selection.cc
@@ -30,6 +30,7 @@
 #include "ardour/route_group.h"
 #include "ardour/selection.h"
 #include "ardour/session.h"
+#include "ardour/vca.h"
 
 #include "editor.h"
 #include "editor_drag.h"
@@ -1000,6 +1001,12 @@ struct SelectionOrderSorter {
 void
 Editor::presentation_info_changed (PropertyChange const & what_changed)
 {
+       uint32_t n_tracks = 0;
+       uint32_t n_busses = 0;
+       uint32_t n_vcas = 0;
+       uint32_t n_routes = 0;
+       uint32_t n_stripables = 0;
+
        /* We cannot ensure ordering of the handlers for
         * PresentationInfo::Changed, so we have to do everything in order
         * here, as a single handler.
@@ -1047,6 +1054,18 @@ Editor::presentation_info_changed (PropertyChange const & what_changed)
                                continue;
                        }
 
+                       n_stripables++;
+
+                       if (boost::dynamic_pointer_cast<Track> ((*i).stripable)) {
+                               n_tracks++;
+                               n_routes++;
+                       } else if (boost::dynamic_pointer_cast<Route> ((*i).stripable)) {
+                               n_busses++;
+                               n_routes++;
+                       } else if (boost::dynamic_pointer_cast<VCA> ((*i).stripable)) {
+                               n_vcas++;
+                       }
+
                        TimeAxisView* tav = dynamic_cast<TimeAxisView*> (av);
 
                        if (!tav) {
@@ -1082,7 +1101,11 @@ Editor::presentation_info_changed (PropertyChange const & what_changed)
                        stripables->push_back ((*i).stripable);
                }
 
-               ActionManager::set_sensitive (ActionManager::track_selection_sensitive_actions, !selection->tracks.empty());
+               ActionManager::set_sensitive (ActionManager::stripable_selection_sensitive_actions, (n_stripables > 0));
+               ActionManager::set_sensitive (ActionManager::track_selection_sensitive_actions, (n_tracks > 0));
+               ActionManager::set_sensitive (ActionManager::bus_selection_sensitive_actions, (n_busses > 0));
+               ActionManager::set_sensitive (ActionManager::route_selection_sensitive_actions, (n_routes > 0));
+               ActionManager::set_sensitive (ActionManager::vca_selection_sensitive_actions, (n_vcas > 0));
 
                sensitize_the_right_region_actions (false);