From: Robin Gareus <robin@gareus.org>
Date: Sat, 26 Nov 2016 13:31:24 +0000 (+0100)
Subject: Restrict Device selection to valid choices.
X-Git-Tag: 5.5~40
X-Git-Url: https://main.carlh.net/gitweb/?p=ardour.git;a=commitdiff_plain;h=0cb9d4a3d2c0dcd8535e50b8518b9bf8b6df3dc9;hp=335debfa2fed045dc80c43fb2ef62d89262fc8f8

Restrict Device selection to valid choices.
---

diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index b20b56176f..192c750131 100644
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -1592,6 +1592,24 @@ void
 EngineControl::input_device_changed ()
 {
 	DEBUG_ECONTROL ("input_device_changed");
+
+	boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+	if (backend && backend->match_input_output_devices_or_none ()) {
+		const std::string& dev_none = ARDOUR::AudioBackend::get_standard_device_name (ARDOUR::AudioBackend::DeviceNone);
+
+		if (get_output_device_name () != dev_none
+				&& get_input_device_name () != dev_none
+				&& get_input_device_name () != get_output_device_name ()) {
+			block_changed_signals ();
+			if (contains_value (output_device_combo, get_input_device_name ())) {
+				output_device_combo.set_active_text (get_input_device_name ());
+			} else {
+				assert (contains_value (output_device_combo, dev_none));
+				output_device_combo.set_active_text (dev_none);
+			}
+			unblock_changed_signals ();
+		}
+	}
 	device_changed ();
 }
 
@@ -1599,6 +1617,23 @@ void
 EngineControl::output_device_changed ()
 {
 	DEBUG_ECONTROL ("output_device_changed");
+	boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+	if (backend && backend->match_input_output_devices_or_none ()) {
+		const std::string& dev_none = ARDOUR::AudioBackend::get_standard_device_name (ARDOUR::AudioBackend::DeviceNone);
+
+		if (get_input_device_name () != dev_none
+				&& get_input_device_name () != dev_none
+				&& get_input_device_name () != get_output_device_name ()) {
+			block_changed_signals ();
+			if (contains_value (input_device_combo, get_output_device_name ())) {
+				input_device_combo.set_active_text (get_output_device_name ());
+			} else {
+				assert (contains_value (input_device_combo, dev_none));
+				input_device_combo.set_active_text (dev_none);
+			}
+			unblock_changed_signals ();
+		}
+	}
 	device_changed ();
 }