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00001 // -*- C++ -*- 00002 /* GG is a GUI for SDL and OpenGL. 00003 Copyright (C) 2003-2008 T. Zachary Laine 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public License 00007 as published by the Free Software Foundation; either version 2.1 00008 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Lesser General Public License for more details. 00014 00015 You should have received a copy of the GNU Lesser General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 00018 02111-1307 USA 00019 00020 If you do not wish to comply with the terms of the LGPL please 00021 contact the author as other terms are available for a fee. 00022 00023 Zach Laine 00024 whatwasthataddress@gmail.com */ 00025 00031 #ifndef _GG_EventPump_h_ 00032 #define _GG_EventPump_h_ 00033 00034 #include <GG/GUI.h> 00035 00036 00037 namespace GG { 00038 00043 struct GG_API EventPumpState 00044 { 00045 EventPumpState(); 00046 00047 unsigned int last_FPS_time; 00048 unsigned int last_frame_time; 00049 unsigned int most_recent_time; 00050 std::size_t frames; 00051 }; 00052 00058 class GG_API EventPumpBase 00059 { 00060 protected: 00071 void LoopBody(GUI* gui, EventPumpState& state, bool do_non_rendering, bool do_rendering); 00072 00074 static EventPumpState& State(); 00075 }; 00076 00120 class GG_API EventPump : public EventPumpBase 00121 { 00122 public: 00123 virtual ~EventPump() {} 00124 00127 virtual void operator()(); 00128 }; 00129 00134 class GG_API ModalEventPump : public EventPump 00135 { 00136 public: 00137 ModalEventPump(const bool& done); 00138 virtual void operator()(); 00139 00140 protected: 00142 bool Done() const; 00143 00144 private: 00145 const bool& m_done; 00146 }; 00147 00148 } // namespace GG 00149 00150 #endif // _GG_EventPump_h_