Add sound volume controls to ingame menu

src/guiVolumeChange.h

@@ -0,0 +1,53 @@
+/*
+Part of Minetest-c55
+Copyright (C) 2010-11 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2011 Ciaran Gultnieks <ciaran@ciarang.com>
+Copyright (C) 2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef GUIVOLUMECHANGE_HEADER
+#define GUIVOLUMECHANGE_HEADER
+
+#include "irrlichttypes_extrabloated.h"
+#include "modalMenu.h"
+#include "client.h"
+#include <string>
+
+class GUIVolumeChange : public GUIModalMenu
+{
+public:
+	GUIVolumeChange(gui::IGUIEnvironment* env,
+			gui::IGUIElement* parent, s32 id,
+			IMenuManager *menumgr,
+			Client* client);
+	~GUIVolumeChange();
+	
+	void removeChildren();
+	/*
+		Remove and re-add (or reposition) stuff
+	*/
+	void regenerateGui(v2u32 screensize);
+
+	void drawMenu();
+
+	bool OnEvent(const SEvent& event);
+	
+private:
+	Client* m_client;
+
+};
+
+#endif
+