fix initialization of control protocols so that brand new sessions get working control protocols if the user's ardour.rc file indicates to do so; fix MCP bank scrolling

git-svn-id: svn://localhost/ardour2/branches/3.0@12096 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/ardour/control_protocol_manager.cc

@@ -41,7 +41,6 @@ const string ControlProtocolManager::state_node_name = X_("ControlProtocols");
 
 ControlProtocolManager::ControlProtocolManager ()
 {
-
 }
 
 ControlProtocolManager::~ControlProtocolManager()
@@ -320,13 +319,15 @@ ControlProtocolManager::set_state (const XMLNode& node, int /*version*/)
 			if (prop && string_is_affirmative (prop->value())) {
 				if ((prop = (*citer)->property (X_("name"))) != 0) {
 					ControlProtocolInfo* cpi = cpi_by_name (prop->value());
+
 					if (cpi) {
-						if (!(*citer)->children().empty()) {
+
-							cpi->state = (*citer)->children().front ();
+						if (cpi->state) {
-						} else {
+							delete cpi->state;
-							cpi->state = 0;
 						}
 
+						cpi->state = new XMLNode (**citer);
+
 						if (_session) {
 							instantiate (*cpi);
 						} else {

libs/surfaces/mackie/device_profile.cc

@@ -120,8 +120,6 @@ DeviceProfile::reload_device_profiles ()
 
 		XMLTree tree;
 
-		std::cerr << "Loading " << fullpath << std::endl;
-		
 		if (!tree.read (fullpath.c_str())) {
 			continue;
 		}

libs/surfaces/mackie/gui.cc

@@ -84,6 +84,7 @@ MackieControlProtocolGUI::MackieControlProtocolGUI (MackieControlProtocol& p)
 	table->set_row_spacings (4);
 	table->set_col_spacings (6);
 	l = manage (new Gtk::Label (_("Device Type:")));
+	l->set_alignment (1.0, 0.5);
 	table->attach (*l, 0, 1, 0, 1, AttachOptions(FILL|EXPAND), AttachOptions(0));
 	table->attach (_surface_combo, 1, 2, 0, 1, AttachOptions(FILL|EXPAND), AttachOptions(0), 0, 20);
 

libs/surfaces/mackie/mackie_control_protocol.cc

@@ -321,13 +321,6 @@ MackieControlProtocol::switch_banks (uint32_t initial, bool force)
 		return;
 	}
 
-	uint32_t delta = sorted.size() - strip_cnt;
-
-	if (delta > 0 && initial > delta) {
-		DEBUG_TRACE (DEBUG::MackieControl, string_compose ("not switching to %1\n", initial));
-		return;
-	}
-
 	_current_initial_bank = initial;
 	_current_selected_track = -1;
 
@@ -548,7 +541,7 @@ MackieControlProtocol::set_profile (const string& profile_name)
 }	
 
 void
-MackieControlProtocol::set_device (const string& device_name)
+MackieControlProtocol::set_device (const string& device_name, bool allow_activation)
 {
 	map<string,DeviceInfo>::iterator d = DeviceInfo::device_info.find (device_name);
 
@@ -563,9 +556,13 @@ MackieControlProtocol::set_device (const string& device_name)
 
 	_device_info = d->second;
 
-	if (_active) {
+	if (allow_activation) {
-		create_surfaces ();
+		set_active (true);
-		switch_banks (0, true);
+	} else {
+		if (_active) {
+			create_surfaces ();
+			switch_banks (0, true);
+		}
 	}
 }
 
@@ -691,7 +688,7 @@ MackieControlProtocol::set_state (const XMLNode & node, int /*version*/)
 	}
 
 	if ((prop = node.property (X_("device-name"))) != 0) {
-		set_device (prop->value());
+		set_device (prop->value(), false);
 	}
 
 	if ((prop = node.property (X_("device-profile"))) != 0) {

libs/surfaces/mackie/mackie_control_protocol.h

@@ -122,7 +122,7 @@ class MackieControlProtocol
 	Mackie::DeviceProfile& device_profile() { return _device_profile; }
 
 	int set_active (bool yn);
-	void set_device (const std::string&);
+	void set_device (const std::string&, bool allow_activation = true);
 	void set_profile (const std::string&);
 
 	bool     flip_mode () const { return _flip_mode; }

libs/surfaces/mackie/mcp_buttons.cc

@@ -17,6 +17,8 @@
 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#include <algorithm>
+
 #include "pbd/memento_command.h"
 
 #include "ardour/debug.h"
@@ -95,24 +97,21 @@ MackieControlProtocol::left_press (Button &)
 {
 	Sorted sorted = get_sorted_routes();
 	uint32_t strip_cnt = n_strips (); 
+	uint32_t route_cnt = sorted.size();
 
 	DEBUG_TRACE (DEBUG::MackieControl, string_compose ("bank left with current initial = %1 nstrips = %2 tracks/busses = %3\n",
-							   _current_initial_bank, strip_cnt, sorted.size()));
+							   _current_initial_bank, strip_cnt, route_cnt));
 
-	if (sorted.size() > strip_cnt) {
+	if (route_cnt && route_cnt > strip_cnt) {
-		int new_initial = _current_initial_bank - strip_cnt;
+		if (_current_initial_bank > strip_cnt) {
-		if (new_initial < 0) {
+			switch_banks (_current_initial_bank - strip_cnt);
-			new_initial = 0;
+		} else {
-		}
+			switch_banks (0);
-		
-		if (new_initial != int (_current_initial_bank)) {
-			switch_banks (new_initial);
 		}
 
 		return on;
-	} else {
-		return flashing;
 	}
+	return off;
 }
 
 LedState 
@@ -126,25 +125,17 @@ MackieControlProtocol::right_press (Button &)
 {
 	Sorted sorted = get_sorted_routes();
 	uint32_t strip_cnt = n_strips();
+	uint32_t route_cnt = sorted.size();
 
 	DEBUG_TRACE (DEBUG::MackieControl, string_compose ("bank right with current initial = %1 nstrips = %2 tracks/busses = %3\n",
 							   _current_initial_bank, strip_cnt, sorted.size()));
 
-	if (sorted.size() > strip_cnt) {
+	if (route_cnt && route_cnt > strip_cnt) {
-		uint32_t delta = sorted.size() - (strip_cnt + _current_initial_bank);
+		uint32_t new_initial = std::min (_current_initial_bank + strip_cnt, route_cnt - 1);
-
+		switch_banks (new_initial);
-		if (delta > strip_cnt) {
-			delta = strip_cnt;
-		}
-		
-		if (delta > 0) {
-			switch_banks (_current_initial_bank + delta);
-		}
-
 		return on;
-	} else {
-		return flashing;
 	}
+
 	return off;
 }
 

libs/surfaces/mackie/strip.cc

@@ -151,6 +151,7 @@ Strip::set_route (boost::shared_ptr<Route> r, bool with_messages)
 	reset_saved_values ();
 
 	if (!r) {
+		zero ();
 		return;
 	}
 
@@ -213,8 +214,6 @@ Strip::set_route (boost::shared_ptr<Route> r, bool with_messages)
 			if ((a = automatable.find (PanWidthAutomation)) != automatable.end()) {
 				possible_pot_parameters.push_back (PanWidthAutomation);
 			}
-		} else {
-			std::cerr << "connected to route without a panner\n";
 		}
 	}
 }

libs/surfaces/mackie/surface.cc

@@ -606,9 +606,9 @@ void
 Surface::map_routes (const vector<boost::shared_ptr<Route> >& routes)
 {
 	vector<boost::shared_ptr<Route> >::const_iterator r;
-	Strips::iterator s;
+	Strips::iterator s = strips.begin();
 
-	for (r = routes.begin(), s = strips.begin(); r != routes.end() && s != strips.end(); ++s) {
+	for (r = routes.begin(); r != routes.end() && s != strips.end(); ++s) {
 
 		/* don't try to assign routes to a locked strip. it won't
 		   use it anyway, but if we do, then we get out of sync