more NSD hacks, including a new exception thrown when loading a session at a different SR than JACK, and the user opts not to load it

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@5672 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/ardour_ui.cc

@@ -25,6 +25,7 @@
 #include <time.h>
 #include <cerrno>
 #include <fstream>
+#include <stdlib.h>
 
 #include <iostream>
 
@@ -2316,8 +2317,6 @@ ARDOUR_UI::get_session_parameters (bool backend_audio_is_running, bool should_be
 			new_session_dialog->set_existing_session (false);
 			new_session_dialog->set_current_page (0); // new engine page
 			new_session_dialog->engine_control.unset_interface_chosen ();
-			cerr << "go back and show the engine setup tab again , beir = "
-			     << backend_audio_is_running << endl;
 
 			response = Gtk::RESPONSE_NONE;
 			goto try_again;
@@ -2328,7 +2327,7 @@ ARDOUR_UI::get_session_parameters (bool backend_audio_is_running, bool should_be
 		if (response == Gtk::RESPONSE_OK) {
 
 			session_name = new_session_dialog->session_name();
-			
+
 			if (session_name.empty()) {
 				response = Gtk::RESPONSE_NONE;
 				goto try_again;
@@ -2346,8 +2345,9 @@ ARDOUR_UI::get_session_parameters (bool backend_audio_is_running, bool should_be
 				session_name = Glib::path_get_basename (session_name);
 				
 			} else {
-				
+
 				session_path = new_session_dialog->session_folder();
+
 			}
 
 			template_name = Glib::ustring();			
@@ -2392,6 +2392,8 @@ ARDOUR_UI::get_session_parameters (bool backend_audio_is_running, bool should_be
 
 				if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
 
+					new_session_dialog->hide ();
+
 					if (ask_about_loading_existing_session (session_path)) {
 						goto loadit;
 					} else {
@@ -2525,6 +2527,12 @@ ARDOUR_UI::load_session (const Glib::ustring& path, const Glib::ustring& snap_na
 		goto out;
 	}
 
+	/* this exception is also special */
+
+	catch (Session::SRMismatchRejected& err) {
+		goto out; /* just go back and reload something else, etc. */
+	}
+
 	catch (...) {
 
 		MessageDialog msg (string_compose(_("Session \"%1 (snapshot %2)\" did not load successfully"), path, snap_name),
@@ -3117,14 +3125,17 @@ ARDOUR_UI::write_buffer_stats ()
 	std::ofstream fout;
 	struct tm tm;
 	char buf[64];
-	char* path;
+	char path[PATH_MAX+1];	int fd;
 
-	if ((path = tempnam (0, "ardourBuffering")) == 0) {
+	strcpy (path, "ardourBufferingXXXXXX");
+
+	if ((fd = mkstemp (path )) < 0) {
 		cerr << X_("cannot find temporary name for ardour buffer stats") << endl;
 		return;
 	}
-
+	
 	fout.open (path);
+	close (fd);
 
 	if (!fout) {
 		cerr << string_compose (X_("cannot open file %1 for ardour buffer stats"), path) << endl;

gtk2_ardour/new_session_dialog.cc

@@ -48,6 +48,7 @@ NewSessionDialog::NewSessionDialog()
 {
 	in_destructor = false;
 	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);
 
@@ -593,12 +594,11 @@ NewSessionDialog::set_session_folder(const Glib::ustring& dir)
 	char* res;
 	if (!Glib::file_test (dir, Glib::FILE_TEST_IS_DIR)) {
 		realdir = Glib::path_get_dirname (realdir);
-		cerr << "didn't exist, use " << realdir << endl;
 	}
 
 	if ((res = canonicalize_file_name (realdir.c_str())) != 0) {
-		cerr << "canonical, use " << res << endl;
 		m_folder->set_current_folder (res);
+		engine_page_session_folder = res;
 		free (res);
 	}
 	
@@ -626,12 +626,18 @@ NewSessionDialog::session_name() const
 
 	switch (which_page()) {
 	case NewPage:
-	case EnginePage:
-		/* new or audio setup pages */
-		if (!(page_set & OpenPage) && !(page_set & NewPage)) {
-			return Glib::filename_from_utf8(engine_page_session_name);
-		}
 	        return Glib::filename_from_utf8(m_name->get_text());
+
+	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 */
+		}
+		break;
+
 	default:
 		break;
 	} 
@@ -639,6 +645,7 @@ NewSessionDialog::session_name() const
 	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];
 }
@@ -651,13 +658,13 @@ NewSessionDialog::session_folder() const
 	        return Glib::filename_from_utf8(m_folder->get_filename());
 		
 	case EnginePage:
-		if (!(page_set & OpenPage) && !(page_set & NewPage)) {
-			/* just engine page, nothing else */
+		if (!(page_set & (OpenPage|NewPage))) {
 			return Glib::filename_from_utf8(engine_page_session_folder);
-		}
-		if (page_set == EnginePage) {
+		} 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 */
 		}
 		break;
 
@@ -770,8 +777,6 @@ NewSessionDialog::which_page () const
 {
 	int num = m_notebook->get_current_page();
 
-	cerr << "current page set = " << std::hex << page_set << std::dec << endl;
-
 	if (page_set == NewPage) {
 		return NewPage;
 
@@ -891,6 +896,7 @@ NewSessionDialog::notebook_page_changed (GtkNotebookPage* np, uint pagenum)
 		} else {
 			set_response_sensitive (Gtk::RESPONSE_OK, true);
 		}
+		last_name_page = OpenPage;
 		break;
 
 	case EnginePage:
@@ -898,14 +904,14 @@ NewSessionDialog::notebook_page_changed (GtkNotebookPage* np, uint pagenum)
 		if (!engine_control.interface_chosen()) {
 			m_okbutton->set_label(_("Start Audio Engine"));
 		} else {
-			m_okbutton->set_label(_("Open"));
+			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;
 
-	default:
+	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)));
@@ -915,6 +921,8 @@ NewSessionDialog::notebook_page_changed (GtkNotebookPage* np, uint pagenum)
 		} else {
 			set_response_sensitive (Gtk::RESPONSE_OK, true);
 		}
+		last_name_page = NewPage;
+		break;
 	}
 }
 

gtk2_ardour/new_session_dialog.h

@@ -220,6 +220,7 @@ protected:
 
 	sigc::connection ic_connection;
 	void engine_interface_chosen();
+	Pages last_name_page;
 };
 
 #endif // NEW_SESSION_DIALOG_H

libs/ardour/ardour/session.h

@@ -656,6 +656,12 @@ class Session : public PBD::StatefulDestructible
 
 	static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
 
+	class SRMismatchRejected : public std::exception {
+	  public:
+		SRMismatchRejected () {}
+		const char* what() const throw() { return "Sample rate mismatch rejected"; }
+	};
+
 	/* handlers should return !0 for use pending state, 0 for
 	   ignore it.
 	*/

libs/ardour/session_state.cc

@@ -1158,10 +1158,10 @@ Session::set_state (const XMLNode& node)
 	if ((prop = node.property (X_("sample-rate"))) != 0) {
 
 		_nominal_frame_rate = atoi (prop->value());
-
+		
 		if (_nominal_frame_rate != _current_frame_rate) {
 			if (AskAboutSampleRateMismatch (_nominal_frame_rate, _current_frame_rate)) {
-				return -1;
+				throw SRMismatchRejected();
 			}
 		}
 	}