From 78738ec5a10686c30d3cb12ece2fff03957274f0 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 11 Jun 2021 18:55:16 -0600
Subject: [PATCH] skeleton for DSP stats GUI

---
 gtk2_ardour/dsp_stats_ui.cc | 68 +++++++++++++++++++++++++++++++++++++
 gtk2_ardour/dsp_stats_ui.h  | 45 ++++++++++++++++++++++++
 gtk2_ardour/wscript         |  1 +
 3 files changed, 114 insertions(+)
 create mode 100644 gtk2_ardour/dsp_stats_ui.cc
 create mode 100644 gtk2_ardour/dsp_stats_ui.h

diff --git a/gtk2_ardour/dsp_stats_ui.cc b/gtk2_ardour/dsp_stats_ui.cc
new file mode 100644
index 0000000000..6757f09e85
--- /dev/null
+++ b/gtk2_ardour/dsp_stats_ui.cc
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2018 Robin Gareus <robin@gareus.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "gtkmm2ext/utils.h"
+
+#include "ardour/session.h"
+#include "ardour/audioengine.h"
+#include "ardour/audio_backend.h"
+
+#include "dsp_stats_ui.h"
+#include "timers.h"
+
+#include "pbd/i18n.h"
+
+using namespace ARDOUR;
+using namespace Gtkmm2ext;
+using namespace Gtk;
+
+DspStatisticsGUI::DspStatisticsGUI (Session* s)
+	: SessionHandlePtr (s)
+{
+	const size_t nlabels = Session::NTT + AudioEngine::NTT + AudioBackend::NTT;
+
+	labels = new Label*[nlabels];
+	for (size_t n = 0; n < nlabels; ++n) {
+		labels[n] = new Label ("", ALIGN_RIGHT, ALIGN_CENTER);
+		set_size_request_to_display_given_text (*labels[n], string_compose (_("%1 [ms]"), 99.123), 0, 0);
+	}
+
+	// attach (*manage (new Gtk::Label (_("Minimum"), ALIGN_RIGHT, ALIGN_CENTER)),
+	// 0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 0);
+	//attach (_lbl_min, 1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 0);
+}
+
+void
+DspStatisticsGUI::start_updating ()
+{
+	update ();
+	update_connection = Timers::second_connect (sigc::mem_fun(*this, &DspStatisticsGUI::update));
+}
+
+void
+DspStatisticsGUI::stop_updating ()
+{
+	update_connection.disconnect ();
+}
+
+
+void
+DspStatisticsGUI::update ()
+{
+}
+
diff --git a/gtk2_ardour/dsp_stats_ui.h b/gtk2_ardour/dsp_stats_ui.h
new file mode 100644
index 0000000000..8fdf9b901e
--- /dev/null
+++ b/gtk2_ardour/dsp_stats_ui.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2021 Paul Davis <paul@linuxaudiosystems.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _gtkardour_dspstats_ui_h_
+#define _gtkardour_dspstats_ui_h_
+
+#include <gtkmm/widget.h>
+#include <gtkmm/table.h>
+#include <gtkmm/label.h>
+
+#include "ardour/session_handle.h"
+
+class DspStatisticsGUI : public Gtk::Table, public ARDOUR::SessionHandlePtr
+{
+public:
+	DspStatisticsGUI (ARDOUR::Session* s);
+
+	void start_updating ();
+	void stop_updating ();
+
+private:
+	void update ();
+
+	sigc::connection update_connection;
+
+	Gtk::Label** labels;
+
+};
+
+#endif
diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index 07543ac7ba..0f431d31ed 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -72,6 +72,7 @@ gtk2_ardour_sources = [
         'cursor_context.cc',
         'curvetest.cc',
         'debug.cc',
+        'dsp_stats_ui.cc',
         'duplicate_routes_dialog.cc',
         'edit_note_dialog.cc',
         'editing.cc',