initial compilable version of saving key bindings with "new" scheme

libs/gtkmm2ext/bindings.cc

@@ -43,6 +43,7 @@ using namespace Gtkmm2ext;
 using namespace PBD;
 
 uint32_t Bindings::_ignored_state = 0;
+map<string,Bindings*> Bindings::bindings_for_state;
 
 MouseButton::MouseButton (uint32_t state, uint32_t keycode)
 {
@@ -227,6 +228,9 @@ Bindings::Bindings ()
 
 Bindings::~Bindings()
 {
+	if (!_name.empty()) {
+		remove_bindings_for_state (_name, *this);
+	}
 }
 
 bool
@@ -507,6 +511,10 @@ Bindings::load (string const & name)
 	        error << string_compose (_("No keyboard binding information when loading bindings for \"%1\""), name) << endmsg;
 	        return false;
         }
+
+        if (!_name.empty()) {
+	        remove_bindings_for_state (_name, *this);
+        }
         
         const XMLNodeList& children (node->children());
         bool found = false;
@@ -543,6 +551,9 @@ Bindings::load (string const & name)
 	        load (**i);
         }
 
+        add_bindings_for_state (_name, *this);
+        _name = name;
+        
         return true;
 }
 
@@ -832,6 +843,18 @@ ActionMap::register_toggle_action (RefPtr<ActionGroup> group,
         return RefPtr<Action>();
 }
 
+void
+Bindings::add_bindings_for_state (std::string const& name, Bindings& bindings)
+{
+	bindings_for_state.insert (make_pair (name, &bindings));
+}
+
+void
+Bindings::remove_bindings_for_state (std::string const& name, Bindings& bindings)
+{
+	bindings_for_state.erase (name);
+}
+
 std::ostream& operator<<(std::ostream& out, Gtkmm2ext::KeyboardKey const & k) {
 	return out << "Key " << k.key() << " (" << (k.key() > 0 ? gdk_keyval_name (k.key()) : "no-key") << ") state " << k.state();
 }

libs/gtkmm2ext/gtkmm2ext/bindings.h

@@ -151,9 +151,15 @@ class LIBGTKMM2EXT_API Bindings {
 	                      std::vector<std::string>& tooltips,
 	                      std::vector<KeyboardKey>& bindings);
 
+	static std::map<std::string,Bindings*> bindings_for_state;
+
+	static void add_bindings_for_state (std::string const &, Bindings&);
+	static void remove_bindings_for_state (std::string const &, Bindings&);
+	
   private:
         typedef std::map<KeyboardKey,Glib::RefPtr<Gtk::Action> > KeybindingMap;
 
+        std::string  _name;
         KeybindingMap press_bindings;
         KeybindingMap release_bindings;
         

libs/gtkmm2ext/keyboard.cc

@@ -38,8 +38,9 @@
 #include "pbd/debug.h"
 #include "pbd/unwind.h"
 
-#include "gtkmm2ext/keyboard.h"
 #include "gtkmm2ext/actions.h"
+#include "gtkmm2ext/bindings.h"
+#include "gtkmm2ext/keyboard.h"
 #include "gtkmm2ext/debug.h"
 
 #include "i18n.h"
@@ -704,7 +705,28 @@ Keyboard::read_keybindings (string const & path)
 int
 Keyboard::store_keybindings (string const & path)
 {
-	return 0;
+	XMLNode* node = new XMLNode (X_("BindingSet"));
+	XMLNode* bnode;
+	int ret = 0;
+
+	for (map<string,Bindings*>::const_iterator c = Bindings::bindings_for_state.begin(); c != Bindings::bindings_for_state.end(); ++c) {
+		bnode = new XMLNode (X_("Bindings"));
+		bnode->add_property (X_("name"), c->first);
+		c->second->save (*bnode);
+		node->add_child_nocopy (*bnode);
+	}
+
+	XMLTree tree;
+	tree.set_root (node);
+
+	if (!tree.write (path)) {
+		error << string_compose (_("Cannot save key bindings to %1"), path) << endmsg;
+		ret = -1;
+	}
+
+	delete node;
+	
+	return ret;
 }
 
 int