if user asks for session templates, make sure user template dir exists, and switch...
[ardour.git] / gtk2_ardour / new_session_dialog.cc
index ad92edf0b71500bddab4a508f31340dd4fd696ee..0fecaf3cf01318d506711f0128ba6a99e256308b 100644 (file)
@@ -17,8 +17,7 @@
 
 */
 
-#include "i18n.h"
-#include "new_session_dialog.h"
+#include <pbd/error.h>
 
 #include <ardour/recent_sessions.h>
 #include <ardour/session.h>
 
 #include <gtkmm2ext/window_title.h>
 
+using namespace Gtk;
 using namespace Gtkmm2ext;
+using namespace PBD;
 
 #include "opts.h"
+#include "utils.h"
+#include "i18n.h"
+#include "new_session_dialog.h"
 
 NewSessionDialog::NewSessionDialog()
        : ArdourDialog ("session control")
 {
        in_destructor = false;
-       session_name_label = Gtk::manage(new class Gtk::Label(_("Name :")));
-       m_name = Gtk::manage(new class Gtk::Entry());
+       session_name_label = new Gtk::Label(_("Name :"));
+       last_name_page = NewPage;
+       m_name = new Gtk::Entry();
        m_name->set_text(ARDOUR_COMMAND_LINE::session_name);
 
-       chan_count_label_1 = Gtk::manage(new class Gtk::Label(_("channels")));
-       chan_count_label_2 = Gtk::manage(new class Gtk::Label(_("channels")));
-       chan_count_label_3 = Gtk::manage(new class Gtk::Label(_("channels")));
-       chan_count_label_4 = Gtk::manage(new class Gtk::Label(_("channels")));
+       chan_count_label_1 = new Gtk::Label(_("channels"));
+       chan_count_label_2 = new Gtk::Label(_("channels"));
+       chan_count_label_3 = new Gtk::Label(_("channels"));
+       chan_count_label_4 = new Gtk::Label(_("channels"));
 
        chan_count_label_1->set_alignment(0,0.5);
        chan_count_label_1->set_padding(0,0);
@@ -68,64 +73,64 @@ NewSessionDialog::NewSessionDialog()
        chan_count_label_4->set_padding(0,0);
        chan_count_label_4->set_line_wrap(false);
 
-       bus_label = Gtk::manage(new class Gtk::Label(_("<b>Busses</b>")));
-       input_label = Gtk::manage(new class Gtk::Label(_("<b>Inputs</b>")));
-       output_label = Gtk::manage(new class Gtk::Label(_("<b>Outputs</b>")));
+       bus_label = new Gtk::Label(_("<b>Busses</b>"));
+       input_label = new Gtk::Label(_("<b>Inputs</b>"));
+       output_label = new Gtk::Label(_("<b>Outputs</b>"));
 
-       session_location_label = Gtk::manage(new class Gtk::Label(_("Create Folder In :")));
-       m_folder = Gtk::manage(new class Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER));
-       session_template_label = Gtk::manage(new class Gtk::Label(_("Template :")));
-       m_template = Gtk::manage(new class Gtk::FileChooserButton());
-       m_create_control_bus = Gtk::manage(new class Gtk::CheckButton(_("Create Monitor Bus")));
+       session_location_label = new Gtk::Label(_("Create Folder In :"));
+       m_folder = new Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER);
+       session_template_label = new Gtk::Label(_("Template :"));
+       m_template = new Gtk::FileChooserButton();
+       m_create_control_bus = new Gtk::CheckButton(_("Create Monitor Bus"));
        
-       Gtk::Adjustment *m_control_bus_channel_count_adj = Gtk::manage(new class Gtk::Adjustment(2, 0, 100, 1, 10, 10));
-       m_control_bus_channel_count = Gtk::manage(new class Gtk::SpinButton(*m_control_bus_channel_count_adj, 1, 0));
+       Gtk::Adjustment *m_control_bus_channel_count_adj = Gtk::manage(new Gtk::Adjustment(2, 0, 100, 1, 10));
+       m_control_bus_channel_count = new Gtk::SpinButton(*m_control_bus_channel_count_adj, 1, 0);
        
-       Gtk::Adjustment *m_master_bus_channel_count_adj = Gtk::manage(new class Gtk::Adjustment(2, 0, 100, 1, 10, 10));
-       m_master_bus_channel_count = Gtk::manage(new class Gtk::SpinButton(*m_master_bus_channel_count_adj, 1, 0));
-       m_create_master_bus = Gtk::manage(new class Gtk::CheckButton(_("Create Master Bus")));
-       advanced_table = Gtk::manage(new class Gtk::Table(2, 2, true));
-       m_connect_inputs = Gtk::manage(new class Gtk::CheckButton(_("Automatically Connect to Physical Inputs")));
-       m_limit_input_ports = Gtk::manage(new class Gtk::CheckButton(_("Use only")));
+       Gtk::Adjustment *m_master_bus_channel_count_adj = Gtk::manage(new Gtk::Adjustment(2, 0, 100, 1, 10));
+       m_master_bus_channel_count = new Gtk::SpinButton(*m_master_bus_channel_count_adj, 1, 0);
+       m_create_master_bus = new Gtk::CheckButton(_("Create Master Bus"));
+       advanced_table = new Gtk::Table(2, 2, true);
+       m_connect_inputs = new Gtk::CheckButton(_("Automatically Connect to Physical Inputs"));
+       m_limit_input_ports = new Gtk::CheckButton(_("Use only"));
        
-       Gtk::Adjustment *m_input_limit_count_adj = Gtk::manage(new class Gtk::Adjustment(1, 0, 100, 1, 10, 10));
-       m_input_limit_count = Gtk::manage(new class Gtk::SpinButton(*m_input_limit_count_adj, 1, 0));
-       input_port_limit_hbox = Gtk::manage(new class Gtk::HBox(false, 0));
-       input_port_vbox = Gtk::manage(new class Gtk::VBox(false, 0));
-       input_table = Gtk::manage(new class Gtk::Table(2, 2, false));
-
-       bus_frame = Gtk::manage(new class Gtk::Frame());
-       bus_table = Gtk::manage (new Gtk::Table (2, 3, false));
-
-       input_frame = Gtk::manage(new class Gtk::Frame());
-       m_connect_outputs = Gtk::manage(new class Gtk::CheckButton(_("Automatically Connect Outputs")));
-       m_limit_output_ports = Gtk::manage(new class Gtk::CheckButton(_("Use only")));
+       Gtk::Adjustment *m_input_limit_count_adj = Gtk::manage(new Gtk::Adjustment(1, 0, 100, 1, 10));
+       m_input_limit_count = new Gtk::SpinButton(*m_input_limit_count_adj, 1, 0);
+       input_port_limit_hbox = new Gtk::HBox(false, 0);
+       input_port_vbox = new Gtk::VBox(false, 0);
+       input_table = new Gtk::Table(2, 2, false);
+
+       bus_frame = new Gtk::Frame();
+       bus_table = new Gtk::Table (2, 3, false);
        
-       Gtk::Adjustment *m_output_limit_count_adj = Gtk::manage(new class Gtk::Adjustment(1, 0, 100, 1, 10, 10));
-       m_output_limit_count = Gtk::manage(new class Gtk::SpinButton(*m_output_limit_count_adj, 1, 0));
-       output_port_limit_hbox = Gtk::manage(new class Gtk::HBox(false, 0));
-       output_port_vbox = Gtk::manage(new class Gtk::VBox(false, 0));
+       input_frame = new Gtk::Frame();
+       m_connect_outputs = new Gtk::CheckButton(_("Automatically Connect Outputs"));
+       m_limit_output_ports = new Gtk::CheckButton(_("Use only"));
+       
+       Gtk::Adjustment *m_output_limit_count_adj = Gtk::manage(new Gtk::Adjustment(1, 0, 100, 1, 10));
+       m_output_limit_count = new Gtk::SpinButton(*m_output_limit_count_adj, 1, 0);
+       output_port_limit_hbox = new Gtk::HBox(false, 0);
+       output_port_vbox = new Gtk::VBox(false, 0);
        
        Gtk::RadioButton::Group _RadioBGroup_m_connect_outputs_to_master;
-       m_connect_outputs_to_master = Gtk::manage(new class Gtk::RadioButton(_RadioBGroup_m_connect_outputs_to_master, _("... to Master Bus")));
-       m_connect_outputs_to_physical = Gtk::manage(new class Gtk::RadioButton(_RadioBGroup_m_connect_outputs_to_master, _("... to Physical Outputs")));
-       output_conn_vbox = Gtk::manage(new class Gtk::VBox(false, 0));
-       output_vbox = Gtk::manage(new class Gtk::VBox(false, 0));
-
-       output_frame = Gtk::manage(new class Gtk::Frame());
-       advanced_vbox = Gtk::manage(new class Gtk::VBox(false, 0));
-       advanced_label = Gtk::manage(new class Gtk::Label(_("Advanced Options")));
-       advanced_expander = Gtk::manage(new class Gtk::Expander());
-       new_session_table = Gtk::manage(new class Gtk::Table(2, 2, false));
-       m_open_filechooser = Gtk::manage(new class Gtk::FileChooserButton());
-       open_session_hbox = Gtk::manage(new class Gtk::HBox(false, 0));
-       m_treeview = Gtk::manage(new class Gtk::TreeView());
-       recent_scrolledwindow = Gtk::manage(new class Gtk::ScrolledWindow());
-
-       recent_sesion_label = Gtk::manage(new class Gtk::Label(_("Recent:")));
-       recent_frame = Gtk::manage(new class Gtk::Frame());
-       open_session_vbox = Gtk::manage(new class Gtk::VBox(false, 0));
-       m_notebook = Gtk::manage(new class Gtk::Notebook());
+       m_connect_outputs_to_master = new Gtk::RadioButton(_RadioBGroup_m_connect_outputs_to_master, _("... to Master Bus"));
+       m_connect_outputs_to_physical = new Gtk::RadioButton(_RadioBGroup_m_connect_outputs_to_master, _("... to Physical Outputs"));
+       output_conn_vbox = new Gtk::VBox(false, 0);
+       output_vbox = new Gtk::VBox(false, 0);
+
+       output_frame = new Gtk::Frame();
+       advanced_vbox = new Gtk::VBox(false, 0);
+       advanced_label = new Gtk::Label(_("Advanced Options"));
+       advanced_expander = new Gtk::Expander();
+       new_session_table = new Gtk::Table(2, 2, false);
+       m_open_filechooser = new Gtk::FileChooserButton();
+       open_session_hbox = new Gtk::HBox(false, 0);
+       m_treeview = new Gtk::TreeView();
+       recent_scrolledwindow = new Gtk::ScrolledWindow();
+
+       recent_sesion_label = new Gtk::Label(_("Recent:"));
+       recent_frame = new Gtk::Frame();
+       open_session_vbox = new Gtk::VBox(false, 0);
+       m_notebook = new Gtk::Notebook();
        session_name_label->set_alignment(0, 0.5);
        session_name_label->set_padding(6,0);
        session_name_label->set_line_wrap(false);
@@ -159,7 +164,7 @@ NewSessionDialog::NewSessionDialog()
        m_master_bus_channel_count->set_numeric(true);
        m_master_bus_channel_count->set_digits(0);
        m_master_bus_channel_count->set_wrap(false);
-       open_session_file_label = Gtk::manage(new class Gtk::Label(_("Browse:")));
+       open_session_file_label = new Gtk::Label(_("Browse:"));
        open_session_file_label->set_alignment(0, 0.5);
        m_create_master_bus->set_flags(Gtk::CAN_FOCUS);
        m_create_master_bus->set_relief(Gtk::RELIEF_NORMAL);
@@ -168,7 +173,7 @@ NewSessionDialog::NewSessionDialog()
        m_create_master_bus->set_border_width(0);
        advanced_table->set_row_spacings(0);
        advanced_table->set_col_spacings(0);
-
+       
        m_connect_inputs->set_flags(Gtk::CAN_FOCUS);
        m_connect_inputs->set_relief(Gtk::RELIEF_NORMAL);
        m_connect_inputs->set_mode(true);
@@ -187,7 +192,7 @@ NewSessionDialog::NewSessionDialog()
        m_input_limit_count->set_wrap(false);
        m_input_limit_count->set_sensitive(false);
 
-       bus_hbox = Gtk::manage (new Gtk::HBox (false, 0));
+       bus_hbox = new Gtk::HBox (false, 0);
        bus_hbox->pack_start (*bus_table, Gtk::PACK_SHRINK, 18);
 
        bus_label->set_alignment(0, 0.5);
@@ -218,7 +223,7 @@ NewSessionDialog::NewSessionDialog()
        input_table->set_col_spacings(0);
        input_table->attach(*input_port_vbox, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 6, 6);
 
-       input_hbox = Gtk::manage (new Gtk::HBox (false, 0));
+       input_hbox = new Gtk::HBox (false, 0);
        input_hbox->pack_start (*input_table, Gtk::PACK_SHRINK, 18);
 
        input_label->set_alignment(0, 0.5);
@@ -278,7 +283,7 @@ NewSessionDialog::NewSessionDialog()
        output_frame->set_shadow_type(Gtk::SHADOW_NONE);
        output_frame->set_label_align(0,0.5);
 
-       output_hbox = Gtk::manage (new Gtk::HBox (false, 0));
+       output_hbox = new Gtk::HBox (false, 0);
        output_hbox->pack_start (*output_vbox, Gtk::PACK_SHRINK, 18);
 
        output_frame->add(*output_hbox);
@@ -346,19 +351,40 @@ NewSessionDialog::NewSessionDialog()
        get_vbox()->set_spacing(0);
        get_vbox()->pack_start(*m_notebook, Gtk::PACK_SHRINK, 0);
 
+       /* 
+          icon setting is done again in the editor (for the whole app),
+          but its all chickens and eggs at this point.
+       */
+
+       list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
+       Glib::RefPtr<Gdk::Pixbuf> icon;
+
+       if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
+               window_icons.push_back (icon);
+       }
+       if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
+               window_icons.push_back (icon);
+       }
+       if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
+               window_icons.push_back (icon);
+       }
+       if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
+               window_icons.push_back (icon);
+       }
+       if (!window_icons.empty()) {
+               set_icon_list (window_icons);
+       }
+
        WindowTitle title(Glib::get_application_name());
        title += _("Session Control");
        set_title(title.get_string());
 
-       //set_modal(false);
-       //property_window_position().set_value(Gtk::WIN_POS_NONE);
+       set_position (Gtk::WIN_POS_MOUSE);
        set_resizable(false);
-       //property_destroy_with_parent().set_value(false);
        set_has_separator(false);
-       // add_button(Gtk::Stock::HELP, Gtk::RESPONSE_HELP);
        add_button(Gtk::Stock::QUIT, Gtk::RESPONSE_CANCEL);
        add_button(Gtk::Stock::CLEAR, Gtk::RESPONSE_NONE);
-       m_okbutton = add_button(Gtk::Stock::OPEN, Gtk::RESPONSE_OK);
+       m_okbutton = add_button(Gtk::Stock::NEW, Gtk::RESPONSE_OK);
 
        recent_model = Gtk::TreeStore::create (recent_columns);
        m_treeview->set_model (recent_model);
@@ -374,20 +400,28 @@ NewSessionDialog::NewSessionDialog()
 
        const char * const template_dir_name = X_("templates");
 
-       if (!path.empty()) {
-               string user_template_path = path + template_dir_name;
+       //if SYSTEM template folder exists, add it to the file chooser
+       const std::string sys_templates_path = ARDOUR::get_system_data_path() + template_dir_name;
+printf("system template path = %s\n", sys_templates_path.c_str());
+       if (Glib::file_test(sys_templates_path, Glib::FILE_TEST_IS_DIR))
+       {
+               m_template->add_shortcut_folder(sys_templates_path);
+               m_template->set_current_folder (sys_templates_path);
+       }
 
-               if (Glib::file_test(user_template_path, Glib::FILE_TEST_IS_DIR))
-               {
-                       m_template->set_current_folder (user_template_path);
+       //if USER template folder exists, add it to the file chooser
+       const std::string user_template_path = ARDOUR::get_user_ardour_path() + template_dir_name;
+       bool utp_exists = true;
+
+       if (!Glib::file_test(user_template_path, Glib::FILE_TEST_IS_DIR)) {
+               if (g_mkdir_with_parents (user_template_path.c_str(), 0755)) {
+                       utp_exists = false;
                }
        }
 
-       const std::string sys_templates_dir = ARDOUR::get_system_data_path() + template_dir_name;
-       
-       if (Glib::file_test(sys_templates_dir, Glib::FILE_TEST_IS_DIR))
-       {
-               m_template->add_shortcut_folder(sys_templates_dir);
+       if (utp_exists) {
+               m_template->add_shortcut_folder(user_template_path);
+               m_template->set_current_folder (user_template_path);
        }
 
        m_template->set_title(_("select template"));
@@ -412,6 +446,8 @@ NewSessionDialog::NewSessionDialog()
        m_notebook->show();
        m_notebook->show_all_children();
 
+       engine_page_session_folder = X_("");
+       engine_page_session_name = X_("");
 
        set_default_response (Gtk::RESPONSE_OK);
        if (!ARDOUR_COMMAND_LINE::session_name.length()) {
@@ -436,7 +472,6 @@ NewSessionDialog::NewSessionDialog()
        m_treeview->signal_row_activated().connect (mem_fun (*this, &NewSessionDialog::recent_row_activated));
        m_open_filechooser->signal_selection_changed ().connect (mem_fun (*this, &NewSessionDialog::file_chosen));
        m_template->signal_selection_changed ().connect (mem_fun (*this, &NewSessionDialog::template_chosen));
-       m_name->grab_focus();
        
        page_set = Pages (0);
 }
@@ -453,21 +488,41 @@ NewSessionDialog::run ()
                /* nothing to display */
                return Gtk::RESPONSE_OK;
        }
-
+       if (!(page_set & NewPage) && !(page_set & OpenPage)) {
+               set_response_sensitive (Gtk::RESPONSE_OK, true);
+       }
        return ArdourDialog::run ();
 }
 
 void
 NewSessionDialog::set_have_engine (bool yn)
 {
-       if (yn) {
-               m_notebook->remove_page (engine_control);
-               page_set = Pages (page_set & ~EnginePage);
-       } else {
-               if (!(page_set & EnginePage)) {
+
+       m_notebook->remove_page (engine_control);
+       page_set = Pages (page_set & ~EnginePage);
+       
+       if (!yn) {
+
+               engine_control.discover_servers ();
+
+               if (engine_control.interface_chosen()) {
                        m_notebook->append_page (engine_control, _("Audio Setup"));
                        m_notebook->show_all_children();
                        page_set = Pages (page_set | EnginePage);
+               } else {
+                       m_notebook->prepend_page (engine_control, _("Audio Setup"));
+                       page_set = Pages (page_set | EnginePage);
+
+                       /* no interface ever selected - make it the first and only page */
+                       if (page_set & NewPage) {
+                               m_notebook->remove_page (*new_session_table);
+                               page_set = Pages (page_set & ~NewPage);
+                       }
+                       if (page_set & OpenPage) {
+                               m_notebook->remove_page (*open_session_vbox);
+                               page_set = Pages (page_set & ~OpenPage);
+                       }
+                       m_notebook->show_all_children();
                }
        }
 }
@@ -507,12 +562,55 @@ void
 NewSessionDialog::set_session_name (const Glib::ustring& name)
 {
        m_name->set_text (name);
+       engine_page_session_name = name;
 }
 
 void
 NewSessionDialog::set_session_folder(const Glib::ustring& dir)
 {
-       m_folder->set_current_folder (dir);
+       Glib::ustring realdir = dir;
+
+       /* this little tangled mess is a result of 4 things:
+
+           1) GtkFileChooser vomits when given a non-absolute directory
+                   argument to set_current_folder()
+            2) canonicalize_file_name() doesn't exist on OS X
+           3) linux man page for realpath() says "do not use this function"
+           4) canonicalize_file_name() & realpath() have entirely
+                   different semantics on OS X and Linux when given
+                  a non-existent path.
+                  
+          as result of all this, we take two distinct pathways through the code.
+       */
+
+
+#ifdef __APPLE__
+
+       char buf[PATH_MAX];
+
+       if(realpath (dir.c_str(), buf) != 0) {
+               if (!Glib::file_test (dir, Glib::FILE_TEST_IS_DIR)) {
+                       realdir = Glib::path_get_dirname (realdir);
+               }
+               m_folder->set_current_folder (realdir);
+               engine_page_session_folder = realdir;
+       }
+
+       
+#else 
+       char* res;
+       if (!Glib::file_test (dir, Glib::FILE_TEST_IS_DIR)) {
+               realdir = Glib::path_get_dirname (realdir);
+       }
+
+       if ((res = canonicalize_file_name (realdir.c_str())) != 0) {
+               m_folder->set_current_folder (res);
+               engine_page_session_folder = res;
+               free (res);
+       }
+       
+#endif
+
 }
 
 std::string
@@ -533,40 +631,67 @@ NewSessionDialog::session_name() const
        }         
        */
 
-       int page = m_notebook->get_current_page();
-
-       if (page == 0 || page == 2) {
-               /* new or audio setup pages */
+       switch (which_page()) {
+       case NewPage:
                return Glib::filename_from_utf8(m_name->get_text());
-       } else {
-               if (m_treeview->get_selection()->count_selected_rows() == 0) {
-                       return Glib::filename_from_utf8(str);
+
+       case EnginePage:
+               if (!(page_set & (OpenPage|NewPage))) {
+                       return engine_page_session_name;
+               } else if (last_name_page == NewPage) {
+                       return Glib::filename_from_utf8(m_name->get_text());
+               } else {
+                       /* relax and use the open page stuff at the end */
                }
-               Gtk::TreeModel::iterator i = m_treeview->get_selection()->get_selected();
-               return (*i)[recent_columns.visible_name];
+               break;
+
+       default:
+               break;
+       } 
+
+       if (m_treeview->get_selection()->count_selected_rows() == 0) {
+               return Glib::filename_from_utf8(str);
        }
+
+       Gtk::TreeModel::iterator i = m_treeview->get_selection()->get_selected();
+       return (*i)[recent_columns.visible_name];
 }
 
 std::string
 NewSessionDialog::session_folder() const
 {
-        if (m_notebook->get_current_page() == 0) {
+       switch (which_page()) {
+       case NewPage:
                return Glib::filename_from_utf8(m_folder->get_filename());
-       } else {
-              
-               if (m_treeview->get_selection()->count_selected_rows() == 0) {
-                       const string filename(Glib::filename_from_utf8(m_open_filechooser->get_filename()));
-                       return Glib::path_get_dirname(filename);
+               
+       case EnginePage:
+               if (!(page_set & (OpenPage|NewPage))) {
+                       return Glib::filename_from_utf8(engine_page_session_folder);
+               } else if (last_name_page == NewPage) {
+                       /* use m_folder since it should be set */
+                       return Glib::filename_from_utf8(m_folder->get_filename());
+               } else {
+                       /* relax and use the open page stuff at the end */
                }
-               Gtk::TreeModel::iterator i = m_treeview->get_selection()->get_selected();
-               return (*i)[recent_columns.fullpath];
+               break;
+
+       default:
+               break;
+       }
+              
+       if (m_treeview->get_selection()->count_selected_rows() == 0) {
+               const string filename(Glib::filename_from_utf8(m_open_filechooser->get_filename()));
+               return Glib::path_get_dirname(filename);
        }
+
+       Gtk::TreeModel::iterator i = m_treeview->get_selection()->get_selected();
+       return (*i)[recent_columns.fullpath];
 }
 
 bool
 NewSessionDialog::use_session_template() const
 {
-        if(m_template->get_filename().empty() && (m_notebook->get_current_page() == 0)) return false;
+        if(m_template->get_filename().empty() && (which_page() == NewPage)) return false;
        return true;
 }
 
@@ -654,6 +779,87 @@ NewSessionDialog::get_current_page()
        return m_notebook->get_current_page();
 }
 
+NewSessionDialog::Pages
+NewSessionDialog::which_page () const
+{
+       int num = m_notebook->get_current_page();
+
+       if (page_set == NewPage) {
+               return NewPage;
+
+       } else if (page_set == OpenPage) {
+               return OpenPage;
+
+       } else if (page_set == EnginePage) {
+               return EnginePage;
+
+       } else if (page_set == (NewPage|OpenPage)) {
+               switch (num) {
+               case 0:
+                       return NewPage;
+               default:
+                       return OpenPage;
+               }
+
+       } else if (page_set == (NewPage|EnginePage)) {
+               if (engine_control.interface_chosen()) {
+                       switch (num) {
+                       case 0:
+                               return NewPage;
+                       default:
+                               return EnginePage;
+                       } 
+               } else {
+                       switch (num) {
+                       case 0:
+                               return EnginePage;
+                       default:
+                               return NewPage;
+                       } 
+               }
+
+       } else if (page_set == (NewPage|EnginePage|OpenPage)) {
+               if (engine_control.interface_chosen()) {
+                       switch (num) {
+                       case 0:
+                               return NewPage;
+                       case 1:
+                               return OpenPage;
+                       default:
+                               return EnginePage;
+                       }
+               } else {
+                       switch (num) {
+                       case 0:
+                               return EnginePage;
+                       case 1:
+                               return NewPage;
+                       default:
+                               return OpenPage;
+                       }
+               }
+
+       } else if (page_set == (OpenPage|EnginePage)) {
+               if (engine_control.interface_chosen()) {
+                       switch (num) {
+                       case 0:
+                               return OpenPage;
+                       default:
+                               return EnginePage;
+                       }
+               } else {
+                       switch (num) {
+                       case 0:
+                               return EnginePage;
+                       default:
+                               return OpenPage;
+                       }
+               }
+       }
+
+       return NewPage; /* shouldn't get here */
+}
+
 void
 NewSessionDialog::set_current_page(int page)
 {
@@ -686,24 +892,44 @@ NewSessionDialog::notebook_page_changed (GtkNotebookPage* np, uint pagenum)
                return;
        }
 
-       if (pagenum == 1) {
+       switch (which_page()) {
+       case OpenPage:
                on_new_session_page = false;
+               m_okbutton->set_label(_("Open"));
+               m_okbutton->set_image (*(manage (new Gtk::Image (Gtk::Stock::OPEN, Gtk::ICON_SIZE_BUTTON))));
                set_response_sensitive (Gtk::RESPONSE_NONE, false);
                if (m_treeview->get_selection()->count_selected_rows() == 0) {
                        set_response_sensitive (Gtk::RESPONSE_OK, false);
                } else {
                        set_response_sensitive (Gtk::RESPONSE_OK, true);
                }
-       } else {
-               on_new_session_page = true;
-               if (m_name->get_text() != "") {
-                       set_response_sensitive (Gtk::RESPONSE_NONE, true);
+               last_name_page = OpenPage;
+               break;
+
+       case EnginePage:
+               on_new_session_page = false;
+               if (!engine_control.interface_chosen()) {
+                       m_okbutton->set_label(_("Start Audio Engine"));
+               } else {
+                       m_okbutton->set_label(_("Start"));
                }
+               m_okbutton->set_image (*(manage (new Gtk::Image (Gtk::Stock::OPEN, Gtk::ICON_SIZE_BUTTON))));
+               set_response_sensitive (Gtk::RESPONSE_NONE, false);
+               set_response_sensitive (Gtk::RESPONSE_OK, true);
+               break;
+
+       case NewPage:
+               on_new_session_page = true;
+               m_okbutton->set_label(_("New"));
+               m_okbutton->set_image (*(new Gtk::Image (Gtk::Stock::NEW, Gtk::ICON_SIZE_BUTTON)));
                if (m_name->get_text() == "") {
                        set_response_sensitive (Gtk::RESPONSE_OK, false);
+                       m_name->grab_focus();
                } else {
                        set_response_sensitive (Gtk::RESPONSE_OK, true);
                }
+               last_name_page = NewPage;
+               break;
        }
 }
 
@@ -724,11 +950,21 @@ NewSessionDialog::treeview_selection_changed ()
 void
 NewSessionDialog::file_chosen ()
 {
-       if (on_new_session_page) return;
+       switch (which_page()) {
+      case OpenPage:
+         break;
+          case NewPage:
+          case EnginePage:
+                  return;
+       }
 
        m_treeview->get_selection()->unselect_all();
 
-       get_window()->set_cursor(Gdk::Cursor(Gdk::WATCH));
+       Glib::RefPtr<Gdk::Window> win (get_window());
+
+       if (win) {
+               win->set_cursor(Gdk::Cursor(Gdk::WATCH));
+       }
 
        if (!m_open_filechooser->get_filename().empty()) {
                set_response_sensitive (Gtk::RESPONSE_OK, true);
@@ -751,7 +987,7 @@ NewSessionDialog::template_chosen ()
 void
 NewSessionDialog::recent_row_activated (const Gtk::TreePath& path, Gtk::TreeViewColumn* col)
 {
-        response (Gtk::RESPONSE_YES);
+        response (Gtk::RESPONSE_OK);
 }
 
 void
@@ -805,7 +1041,7 @@ NewSessionDialog::monitor_bus_button_clicked ()
 void
 NewSessionDialog::reset_template()
 {
-        m_template->set_filename("");
+        m_template->unselect_all ();
 }
 
 void
@@ -826,7 +1062,7 @@ NewSessionDialog::reset_recent()
        sessions = new std::vector<std::string*>;
        
        for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
-               sessions->push_back (new string ((*i).second));
+               sessions->push_back (new string ((*i).second));
        }
        
        for (i = sessions->begin(); i != sessions->end(); ++i) {
@@ -838,9 +1074,15 @@ NewSessionDialog::reset_recent()
                /* remove any trailing / */
                
                if (fullpath[fullpath.length()-1] == '/') {
-                       fullpath = fullpath.substr (0, fullpath.length()-1);
+                       fullpath = fullpath.substr (0, fullpath.length()-1);
                }
            
+               /* check whether session still exists */
+               if (!Glib::file_test(fullpath, Glib::FILE_TEST_EXISTS)) {
+                       /* session doesn't exist */
+                       continue;
+               }               
+               
                /* now get available states for this session */
                  
                if ((states = ARDOUR::Session::possible_states (fullpath)) == 0) {