Initial attempt at plugin state/restore

src/WindowParameters.hpp

@@ -0,0 +1,60 @@
+/*
+ * DISTRHO Cardinal Plugin
+ * Copyright (C) 2021 Filipe Coelho <falktx@falktx.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 3 of
+ * the License, or 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.
+ *
+ * For a full copy of the GNU General Public License see the LICENSE file.
+ */
+
+#pragma once
+
+#include "DistrhoUtils.hpp"
+
+namespace rack {
+namespace window {
+struct Window;
+}
+}
+
+START_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------------------------------------------
+
+enum WindowParameterList {
+    kWindowParameterCableOpacity,
+    kWindowParameterCableTension,
+    kWindowParameterRackBrightness,
+    kWindowParameterHaloBrightness,
+    kWindowParameterCount,
+};
+
+struct WindowParameters {
+    float cableOpacity = 0.5f;
+    float cableTension = 0.5f;
+    float rackBrightness = 1.0f;
+    float haloBrightness = 0.25f;
+    // KnobMode knobMode = KNOB_MODE_LINEAR;
+};
+
+struct WindowParametersCallback {
+    virtual ~WindowParametersCallback() {}
+    virtual void WindowParametersChanged(WindowParameterList param, float value) = 0;
+};
+
+void WindowParametersSave(rack::window::Window* window);
+void WindowParametersRestore(rack::window::Window* window);
+void WindowParametersSetCallback(rack::window::Window* window, WindowParametersCallback* callback);
+void WindowParametersSetValues(rack::window::Window* window, const WindowParameters& params);
+
+// -----------------------------------------------------------------------------------------------------------
+
+END_NAMESPACE_DISTRHO