1 files changed, 161 insertions, 0 deletions
diff --git a/src/commands/studio/CreateOrDeleteDeviceCommand.cpp b/src/commands/studio/CreateOrDeleteDeviceCommand.cpp
new file mode 100644
index 0000000..48dc6c1
--- /dev/null
+++ b/src/commands/studio/CreateOrDeleteDeviceCommand.cpp
@@ -0,0 +1,161 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#include "CreateOrDeleteDeviceCommand.h"
+
+#include "misc/Debug.h"
+#include "misc/Strings.h"
+#include "base/Device.h"
+#include "base/MidiDevice.h"
+#include "base/Studio.h"
+#include <qcstring.h>
+#include <qdatastream.h>
+#include <qstring.h>
+#include "gui/application/RosegardenApplication.h"
+
+
+namespace Rosegarden
+{
+
+CreateOrDeleteDeviceCommand::CreateOrDeleteDeviceCommand(Studio *studio,
+        DeviceId id) :
+        KNamedCommand(getGlobalName(true)),
+        m_studio(studio),
+        m_deviceId(id),
+        m_deviceCreated(true)
+{
+    Device *device = m_studio->getDevice(m_deviceId);
+
+    if (device) {
+        m_name = device->getName();
+        m_type = device->getType();
+        m_direction = MidiDevice::Play;
+        MidiDevice *md =
+            dynamic_cast<MidiDevice *>(device);
+        if (md)
+            m_direction = md->getDirection();
+        m_connection = device->getConnection();
+    } else {
+        RG_DEBUG << "CreateOrDeleteDeviceCommand: No such device as "
+        << m_deviceId << endl;
+    }
+}
+
+void
+CreateOrDeleteDeviceCommand::execute()
+{
+    if (!m_deviceCreated) {
+
+        // Create
+
+        // don't want to do this again on undo even if it fails -- only on redo
+        m_deviceCreated = true;
+
+
+        QByteArray data;
+        QByteArray replyData;
+        QCString replyType;
+        QDataStream arg(data, IO_WriteOnly);
+
+        arg << (int)m_type;
+        arg << (unsigned int)m_direction;
+
+        if (!rgapp->sequencerCall("addDevice(int, unsigned int)",
+                                  replyType, replyData, data)) {
+            SEQMAN_DEBUG << "CreateDeviceCommand::execute - "
+            << "failure in sequencer addDevice" << endl;
+            return ;
+        }
+
+        QDataStream reply(replyData, IO_ReadOnly);
+        reply >> m_deviceId;
+
+        if (m_deviceId == Device::NO_DEVICE) {
+            SEQMAN_DEBUG << "CreateDeviceCommand::execute - "
+            << "sequencer addDevice failed" << endl;
+            return ;
+        }
+
+        SEQMAN_DEBUG << "CreateDeviceCommand::execute - "
+        << " added device " << m_deviceId << endl;
+
+        arg.device()->reset();
+        arg << (unsigned int)m_deviceId;
+        arg << strtoqstr(m_connection);
+
+        if (!rgapp->sequencerCall("setConnection(unsigned int, QString)",
+                                  replyType, replyData, data)) {
+            SEQMAN_DEBUG << "CreateDeviceCommand::execute - "
+            << "failure in sequencer setConnection" << endl;
+            return ;
+        }
+
+        SEQMAN_DEBUG << "CreateDeviceCommand::execute - "
+        << " reconnected device " << m_deviceId
+        << " to " << m_connection << endl;
+
+        // Add the device to the Studio now, so that we can name it --
+        // otherwise the name will be lost
+        m_studio->addDevice(m_name, m_deviceId, m_type);
+        Device *device = m_studio->getDevice(m_deviceId);
+        if (device) {
+            MidiDevice *md = dynamic_cast<MidiDevice *>
+                             (device);
+            if (md)
+                md->setDirection(m_direction);
+        }
+
+    } else {
+
+        // Delete
+
+        QByteArray data;
+        QByteArray replyData;
+        QCString replyType;
+        QDataStream arg(data, IO_WriteOnly);
+
+        if (m_deviceId == Device::NO_DEVICE)
+            return ;
+
+        arg << (int)m_deviceId;
+
+        if (!rgapp->sequencerCall("removeDevice(unsigned int)",
+                                  replyType, replyData, data)) {
+            SEQMAN_DEBUG << "CreateDeviceCommand::execute - "
+            << "failure in sequencer addDevice" << endl;
+            return ;
+        }
+
+        SEQMAN_DEBUG << "CreateDeviceCommand::unexecute - "
+        << " removed device " << m_deviceId << endl;
+
+        m_studio->removeDevice(m_deviceId);
+
+        m_deviceId = Device::NO_DEVICE;
+        m_deviceCreated = false;
+    }
+}
+
+}