Add settings retention to StripSilenceDialog

StripSilenceDialog will now retain its threshold, minimum length, and
fade length values from run to run.

This is done via Session::add_extra_xml() and recalled during the
construction of StripSilenceDialog via Session::extra_xml()

1 files changed, 29 insertions, 3 deletions

diff --git a/gtk2_ardour/strip_silence_dialog.cc b/gtk2_ardour/strip_silence_dialog.cc
index 50115af6d5..6aeec29cd9 100644
--- a/gtk2_ardour/strip_silence_dialog.cc
+++ b/gtk2_ardour/strip_silence_dialog.cc
@@ -51,6 +51,9 @@ StripSilenceDialog::StripSilenceDialog (Session* s, list<RegionView*> const & v)
 	, _destroying (false)
 	, analysis_progress_cur (0)
 	, analysis_progress_max (0)
+	, _threshold_value (-60)
+	, _minimum_length_value (1000)
+	, _fade_length_value (64)
 {
 	set_session (s);
 
@@ -63,6 +66,14 @@ StripSilenceDialog::StripSilenceDialog (Session* s, list<RegionView*> const & v)
 	Gtk::Table* table = Gtk::manage (new Gtk::Table (3, 3));
 	table->set_spacings (6);
 
+	//get the last used settings for this
+	XMLNode* node = _session->extra_xml(X_("StripSilence"));
+	if (node) {
+		node->get_property(X_("threshold"), _threshold_value);
+		node->get_property(X_("min-length"), _minimum_length_value);
+		node->get_property(X_("fade-length"), _fade_length_value);
+	}
+
 	int n = 0;
 
 	table->attach (*Gtk::manage (new Gtk::Label (_("Threshold"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
@@ -73,7 +84,7 @@ StripSilenceDialog::StripSilenceDialog (Session* s, list<RegionView*> const & v)
 	_threshold.set_digits (1);
 	_threshold.set_increments (1, 10);
 	_threshold.set_range (-120, 0);
-	_threshold.set_value (-60);
+	_threshold.set_value (_threshold_value);
 	_threshold.set_activates_default ();
 
 	table->attach (*Gtk::manage (new Gtk::Label (_("Minimum length"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
@@ -82,7 +93,7 @@ StripSilenceDialog::StripSilenceDialog (Session* s, list<RegionView*> const & v)
 
 	_minimum_length->set_session (s);
 	_minimum_length->set_mode (AudioClock::Samples);
-	_minimum_length->set (1000, true);
+	_minimum_length->set (_minimum_length_value, true);
 
 	table->attach (*Gtk::manage (new Gtk::Label (_("Fade length"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
 	table->attach (*_fade_length, 1, 2, n, n + 1, Gtk::FILL);
@@ -90,7 +101,7 @@ StripSilenceDialog::StripSilenceDialog (Session* s, list<RegionView*> const & v)
 
 	_fade_length->set_session (s);
 	_fade_length->set_mode (AudioClock::Samples);
-	_fade_length->set (64, true);
+	_fade_length->set (_fade_length_value, true);
 
 	hbox->pack_start (*table);
 
@@ -339,3 +350,18 @@ StripSilenceDialog::update_progress_gui (float p)
 {
 	_progress_bar.set_fraction (p);
 }
+
+XMLNode&
+StripSilenceDialog::get_state ()
+{
+	XMLNode* node = new XMLNode(X_("StripSilence"));
+	node->set_property(X_("threshold"), threshold());
+	node->set_property(X_("min-length"), minimum_length());
+	node->set_property(X_("fade-length"), fade_length());
+	return *node;
+}
+
+void
+StripSilenceDialog::set_state (const XMLNode &)
+{
+}
\ No newline at end of file