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source/libs/distrho/DistrhoUIExternal.hpp

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+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * For a full copy of the license see the LGPL.txt file
+ */
+
+#ifndef __DISTRHO_UI_EXTERNAL_HPP__
+#define __DISTRHO_UI_EXTERNAL_HPP__
+
+#include "DistrhoUI.hpp"
+
+#include <lo/lo.h>
+
+START_NAMESPACE_DISTRHO
+
+// -------------------------------------------------
+// External UI
+
+class ExternalUI : public UI
+{
+public:
+    ExternalUI();
+    virtual ~ExternalUI() override;
+
+protected:
+    const char* d_externalFilename() const = 0;
+
+private:
+    lo_server loServer;
+    friend class UIInternal;
+
+    // ---------------------------------------------
+    // Information
+
+    unsigned int d_width() const override { return 0; }
+    unsigned int d_height() const override { return 0; }
+
+    // ---------------------------------------------
+    // DSP Callbacks
+
+    void d_parameterChanged(uint32_t index, float value) override;
+#if DISTRHO_PLUGIN_WANT_PROGRAMS
+    void d_programChanged(uint32_t index) override;
+#endif
+#if DISTRHO_PLUGIN_WANT_STATE
+    void d_stateChanged(const char* key, const char* value) override;
+#endif
+#if DISTRHO_PLUGIN_IS_SYNTH
+    void d_noteReceived(bool onOff, uint8_t channel, uint8_t note, uint8_t velocity) override;
+#endif
+
+    // ---------------------------------------------
+    // UI Callbacks
+
+    void d_uiIdle() override;
+};
+
+// -------------------------------------------------
+
+END_NAMESPACE_DISTRHO
+
+#endif // __DISTRHO_UI_EXTERNAL_HPP__

source/libs/distrho/src/DistrhoUIExternal.cpp

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+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * For a full copy of the license see the LGPL.txt file
+ */
+
+#include "DistrhoUIInternal.hpp"
+
+START_NAMESPACE_DISTRHO
+
+// -------------------------------------------------
+// External UI
+
+ExternalUI::ExternalUI()
+    : UI(),
+      loServer(nullptr)
+{
+    //loServer = lo_server_new_with_proto(nullptr, LO_TCP, osc_error_handler);
+
+    //if (loServer != nullptr)
+        //lo_server_add_method(loServer, nullptr, nullptr, osc_message_handler, this);
+}
+
+ExternalUI::~ExternalUI()
+{
+    if (loServer == nullptr)
+        return;
+
+    lo_server_del_method(loServer, nullptr, nullptr);
+    lo_server_free(loServer);
+}
+
+// -------------------------------------------------
+// DSP Callbacks
+
+void ExternalUI::d_parameterChanged(uint32_t index, float value) override
+{
+    // TODO
+}
+
+#if DISTRHO_PLUGIN_WANT_PROGRAMS
+void ExternalUI::d_programChanged(uint32_t index) override
+{
+    // TODO
+}
+#endif
+
+#if DISTRHO_PLUGIN_WANT_STATE
+void ExternalUI::d_stateChanged(const char* key, const char* value) override
+{
+    // TODO
+}
+#endif
+
+#if DISTRHO_PLUGIN_IS_SYNTH
+void ExternalUI::d_noteReceived(bool onOff, uint8_t channel, uint8_t note, uint8_t velocity) override
+{
+    // TODO
+}
+#endif
+
+// -------------------------------------------------
+// UI Callbacks
+
+void ExternalUI::d_uiIdle() override
+{
+    if (loServer == nullptr)
+        return;
+
+    while (lo_server_recv_noblock(loServer, 0) != 0) {}
+}
+
+// -------------------------------------------------
+
+END_NAMESPACE_DISTRHO