use mvvm

Switch the Testbed GUI architecture pattern to MVVM (Model-View-ModelView).

examples/testbed/framework/view_model.h

@@ -0,0 +1,127 @@
+/*
+* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef VIEW_MODEL_H
+#define VIEW_MODEL_H
+
+class Model;
+class View;
+
+//
+struct Settings
+{
+	Settings()
+	{
+		testID = 0;
+		drawPoints = true;
+		drawLines = true;
+		drawTriangles = true;
+		drawGrid = true;
+		drawProfile = false;
+		drawStats = false;
+	}
+
+	int testID;
+
+	bool drawPoints;
+	bool drawLines;
+	bool drawTriangles;
+	bool drawGrid;
+	bool drawProfile;
+	bool drawStats;
+};
+
+//
+extern Settings* g_settings;
+
+//
+struct TestSettings
+{
+	TestSettings()
+	{
+		hertz = 60.0f;
+		inv_hertz = 1.0f / hertz;
+		velocityIterations = 8;
+		positionIterations = 2;
+		sleep = false;
+		warmStart = true;
+		convexCache = true;
+		drawCenterOfMasses = true;
+		drawShapes = true;
+		drawBounds = false;
+		drawJoints = true;
+		drawContactPoints = true;
+		drawContactNormals = false;
+		drawContactTangents = false;
+		drawContactPolygons = false;
+	}
+
+	float hertz, inv_hertz;
+	int velocityIterations;
+	int positionIterations;
+	bool sleep;
+	bool warmStart;
+	bool convexCache;
+
+	bool drawCenterOfMasses;
+	bool drawBounds;
+	bool drawShapes;
+	bool drawJoints;
+	bool drawContactPoints;
+	bool drawContactNormals;
+	bool drawContactTangents;
+	bool drawContactPolygons;
+};
+
+//
+extern TestSettings* g_testSettings;
+
+class ViewModel
+{
+public:
+	ViewModel(Model* model, View* view);
+
+	~ViewModel();
+
+	void Action_SaveTest();
+	void Action_SetTest();
+	void Action_PreviousTest();
+	void Action_NextTest();
+	void Action_PlayPause();
+	void Action_SinglePlay();
+	void Action_ResetCamera();
+
+	void Event_SetWindowSize(int w, int h);
+	void Event_Press_Key(int button);
+	void Event_Release_Key(int button);
+	void Event_Press_Mouse(int button);
+	void Event_Release_Mouse(int button);
+	void Event_Move_Cursor(float x, float y);
+	void Event_Scroll(float dx, float dy);
+private:
+	friend class Model;
+	friend class View;
+
+	Settings m_settings;
+	TestSettings m_testSettings;
+
+	Model* m_model;
+	View* m_view;
+};
+
+#endif