added emu_window.h to define interface to drawing to a window

src/common/common.vcxproj

@@ -154,6 +154,7 @@
     <ClInclude Include="src\console_listener.h" />
     <ClInclude Include="src\cpu_detect.h" />
     <ClInclude Include="src\debug_interface.h" />
+    <ClInclude Include="src\emu_window.h" />
     <ClInclude Include="src\extended_trace.h" />
     <ClInclude Include="src\fifo_queue.h" />
     <ClInclude Include="src\file_search.h" />

src/common/common.vcxproj.filters

@@ -52,6 +52,7 @@
     <ClInclude Include="src\timer.h" />
     <ClInclude Include="src\atomic_gcc.h" />
     <ClInclude Include="src\atomic_win32.h" />
+    <ClInclude Include="src\emu_window.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="CMakeLists.txt" />

src/common/src/emu_window.h

@@ -0,0 +1,106 @@
+/**
+ * Copyright (C) 2005-2012 Gekko Emulator
+ *
+ * @file    emuwindow.h
+ * @author  Neobrain
+ * @date    2012-06-01
+ * @brief   Interface for implementing an emulator window manager
+ *
+ * @section LICENSE
+ * 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 2 of
+ * the License, or (at your option) 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 at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#ifndef CORE_EMUWINDOW_H_
+#define CORE_EMUWINDOW_H_
+
+#include "common.h"
+#include "config.h"
+
+namespace input_common
+{
+class KeyboardInput;
+}
+
+// Abstraction class used to provide an interface between emulation code and the frontend (e.g. SDL, 
+//  QGLWidget, GLFW, etc...)
+class EmuWindow
+{
+
+public:
+    /// Data structure to store an emuwindow configuration
+    struct Config{
+        bool    fullscreen;
+        int     res_width;
+        int     res_height;
+    };
+
+    /// Swap buffers to display the next frame
+    virtual void SwapBuffers() = 0;
+
+	/// Polls window events
+	virtual void PollEvents() = 0;
+
+    /// Makes the graphics context current for the caller thread
+    virtual void MakeCurrent() = 0;
+
+    /// Releases (dunno if this is the "right" word) the GLFW context from the caller thread
+    virtual void DoneCurrent() = 0;
+
+    /**
+     * @brief Called from KeyboardInput constructor to notify EmuWindow about its presence
+     * @param controller_interface Pointer to a running KeyboardInput interface
+     */
+    void set_controller_interface(input_common::KeyboardInput* controller_interface) { 
+        controller_interface_ = controller_interface;
+    }
+    input_common::KeyboardInput* controller_interface() { return controller_interface_; }
+
+    Config config() { return config_; }
+    void set_config(Config val) { config_ = val; }
+    
+    int client_area_width() { return client_area_width_; }
+    void set_client_area_width(int val) { client_area_width_ = val; }
+
+    int client_area_height() { return client_area_height_; }
+    void set_client_area_height(int val) { client_area_height_ = val; }
+
+    std::string window_title() { return window_title_; }
+    void set_window_title(std::string val) { window_title_ = val; }
+
+protected:
+    EmuWindow() : controller_interface_(NULL), client_area_width_(640), client_area_height_(480) {
+        char window_title[255];
+        sprintf(window_title, "gekko [%s|%s] - %s", 
+            common::g_config->CPUCoreTypeToString(common::g_config->powerpc_core()).c_str(), 
+            common::g_config->RenderTypeToString(common::g_config->current_renderer()).c_str(), 
+            __DATE__);
+        window_title_ = window_title;
+    }
+    virtual ~EmuWindow() {}
+
+    std::string window_title_;          ///< Current window title, should be used by window impl.
+
+    int client_area_width_;             ///< Current client width, should be set by window impl.
+    int client_area_height_;            ///< Current client height, should be set by window impl.
+
+private:
+    Config config_;         ///< Internal configuration
+
+    input_common::KeyboardInput* controller_interface_;
+
+    DISALLOW_COPY_AND_ASSIGN(EmuWindow);
+};
+
+#endif // CORE_EMUWINDOW_H_