// NOTE: Apologies for the quality of this code, this is really from pre-opensource Dolphin - that is, 2003.

#include <windows.h>
#include <tchar.h>

#include "base/NativeApp.h"
#include "Globals.h"

#include "shellapi.h"
#include "commctrl.h"

#include "input/input_state.h"
#include "Core/Debugger/SymbolMap.h"
#include "Windows/OpenGLBase.h"
#include "Windows/Debugger/Debugger_Disasm.h"
#include "Windows/Debugger/Debugger_MemoryDlg.h"
#include "main.h"

#include "Core/Core.h"
#include "Core/MemMap.h"
#include "Core/SaveState.h"
#include "Core/System.h"
#include "Core/Config.h"
#include "Windows/EmuThread.h"

#include "resource.h"

#include "Windows/WndMainWindow.h"
#include "Common/LogManager.h"
#include "Common/ConsoleListener.h"
#include "Windows/W32Util/DialogManager.h"
#include "Windows/W32Util/ShellUtil.h"
#include "Windows/W32Util/Misc.h"
#include "GPU/GPUInterface.h"
#include "GPU/GPUState.h"
#include "native/image/png_load.h"
#include "GPU/GLES/TextureScaler.h"
#include "ControlMapping.h"
#include "UI/OnScreenDisplay.h"
#include "i18n/i18n.h"

#ifdef THEMES
#include "XPTheme.h"
#endif

#define ENABLE_TOUCH 0

BOOL g_bFullScreen = FALSE;
static RECT g_normalRC = {0};

extern InputState input_state;
extern const char * getVirtualKeyName(unsigned char key);
extern const char * getXinputButtonName(unsigned int button);
#define TIMER_CURSORUPDATE 1
#define CURSORUPDATE_INTERVAL_MS 50

namespace MainWindow
{
	HWND hwndMain;
	HWND hwndDisplay;
	HWND hwndGameList;
	static HMENU menu;

	static HINSTANCE hInst;

	//W32Util::LayeredWindow *layer;
#define MAX_LOADSTRING 100
	const TCHAR *szTitle = TEXT("PPSSPP");
	const TCHAR *szWindowClass = TEXT("PPSSPPWnd");
	const TCHAR *szDisplayClass = TEXT("PPSSPPDisplay");

	// Forward declarations of functions included in this code module:
	LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
	LRESULT CALLBACK DisplayProc(HWND, UINT, WPARAM, LPARAM);
	LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);
	LRESULT CALLBACK Controls(HWND, UINT, WPARAM, LPARAM);

	HWND GetHWND()
	{
		return hwndMain;
	}

	HWND GetDisplayHWND()
	{
		return hwndDisplay;
	}

	void Init(HINSTANCE hInstance)
	{
#ifdef THEMES
		WTL::CTheme::IsThemingSupported();
#endif
		//Register classes
		WNDCLASSEX wcex;
		wcex.cbSize = sizeof(WNDCLASSEX); 
		wcex.style			= CS_HREDRAW | CS_VREDRAW;
		wcex.lpfnWndProc	= (WNDPROC)WndProc;
		wcex.cbClsExtra		= 0;
		wcex.cbWndExtra		= 0;
		wcex.hInstance		= hInstance;
		wcex.hIcon			= LoadIcon(hInstance, (LPCTSTR)IDI_PPSSPP); 
		wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
		wcex.hbrBackground	= (HBRUSH)GetStockObject(BLACK_BRUSH);
		wcex.lpszMenuName	= (LPCSTR)IDR_MENU1;
		wcex.lpszClassName	= szWindowClass;
		wcex.hIconSm		= (HICON)LoadImage(hInstance, (LPCTSTR)IDI_PPSSPP, IMAGE_ICON, 16,16,LR_SHARED);
		RegisterClassEx(&wcex);

		wcex.style = CS_HREDRAW | CS_VREDRAW;;
		wcex.lpfnWndProc = (WNDPROC)DisplayProc;
		wcex.hIcon = 0;
		wcex.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
		wcex.lpszMenuName = 0;
		wcex.lpszClassName = szDisplayClass;
		wcex.hIconSm = 0;
		RegisterClassEx(&wcex);
	}

	void GetWindowRectAtZoom(int zoom, RECT &rcInner, RECT &rcOuter) {
		// GetWindowRect(hwndMain, &rcInner);
		rcInner.left = 0;
		rcInner.top = 0;

		rcInner.right=480*zoom;//+client edge
		rcInner.bottom=272*zoom; //+client edge

		rcOuter=rcInner;
		AdjustWindowRect(&rcOuter, WS_OVERLAPPEDWINDOW, TRUE);
		rcOuter.right += g_Config.iWindowX - rcOuter.left;
		rcOuter.bottom += g_Config.iWindowY - rcOuter.top;
		rcOuter.left = g_Config.iWindowX;
		rcOuter.top = g_Config.iWindowY;
	}

	void SavePosition() {
		WINDOWPLACEMENT placement;
		GetWindowPlacement(hwndMain, &placement);
		if (placement.showCmd == SW_SHOWNORMAL) {
			RECT rc;
			GetWindowRect(hwndMain, &rc);
			g_Config.iWindowX = rc.left;
			g_Config.iWindowY = rc.top;
		}
	}

	void ResizeDisplay(bool noWindowMovement = false) {
		RECT rc;
		GetClientRect(hwndMain, &rc);
		if (!noWindowMovement) {

			if ((rc.right - rc.left) == PSP_CoreParameter().pixelWidth &&
				(rc.bottom - rc.top) == PSP_CoreParameter().pixelHeight)
				return;
			PSP_CoreParameter().pixelWidth = rc.right - rc.left;
			PSP_CoreParameter().pixelHeight = rc.bottom - rc.top;
			MoveWindow(hwndDisplay, 0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight, TRUE);
		}

		// round up to a zoom factor for the render size.
		int zoom = (rc.right - rc.left + 479) / 480;
		if (g_Config.SSAntiAliasing) zoom *= 2;
		PSP_CoreParameter().renderWidth = 480 * zoom;
		PSP_CoreParameter().renderHeight = 272 * zoom;
		PSP_CoreParameter().outputWidth = 480 * zoom;
		PSP_CoreParameter().outputHeight = 272 * zoom;

		if (gpu)
			gpu->Resized();
	}

	void SetZoom(float zoom) {
		if (zoom < 5)
			g_Config.iWindowZoom = (int) zoom;
		RECT rc, rcOuter;
		GetWindowRectAtZoom((int) zoom, rc, rcOuter);
		MoveWindow(hwndMain, rcOuter.left, rcOuter.top, rcOuter.right - rcOuter.left, rcOuter.bottom - rcOuter.top, TRUE);
		ResizeDisplay();
	}

	void setTexScalingLevel(int num) {
		g_Config.iTexScalingLevel = num;
		if(gpu) gpu->ClearCacheNextFrame();
	}
	void setTexScalingType(int num) {
		g_Config.iTexScalingType = num;
		if(gpu) gpu->ClearCacheNextFrame();
	}
	void setFpsLimit(int fps) {
		g_Config.iFpsLimit = fps;
	}

	BOOL Show(HINSTANCE hInstance, int nCmdShow)
	{
		hInst = hInstance; // Store instance handle in our global variable

		int zoom = g_Config.iWindowZoom;
		if (zoom < 1) zoom = 1;
		if (zoom > 4) zoom = 4;
		
		RECT rc,rcOrig;
		GetWindowRectAtZoom(zoom, rcOrig, rc);

		u32 style = WS_OVERLAPPEDWINDOW;

		hwndMain = CreateWindowEx(0,szWindowClass, "", style,
			rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, NULL, NULL, hInstance, NULL);
		SetTimer(hwndMain, TIMER_CURSORUPDATE, CURSORUPDATE_INTERVAL_MS, 0);
		SetPlaying(0);
		if (!hwndMain)
			return FALSE;

		menu = GetMenu(hwndMain);
#ifdef FINAL
		RemoveMenu(menu,2,MF_BYPOSITION);
		RemoveMenu(menu,2,MF_BYPOSITION);
#endif
		MENUINFO info;
		ZeroMemory(&info,sizeof(MENUINFO));
		info.cbSize = sizeof(MENUINFO);
		info.cyMax = 0;
		info.dwStyle = MNS_CHECKORBMP;
		info.fMask = MIM_STYLE;
		for (int i = 0; i < GetMenuItemCount(menu); i++)
		{
			SetMenuInfo(GetSubMenu(menu,i),&info);
		}

		hwndDisplay = CreateWindowEx(0,szDisplayClass,TEXT(""),
			WS_CHILD|WS_VISIBLE,
			0,0,/*rcOrig.left,rcOrig.top,*/rcOrig.right-rcOrig.left,rcOrig.bottom-rcOrig.top,hwndMain,0,hInstance,0);

		ShowWindow(hwndMain, nCmdShow);
		//accept dragged files
		DragAcceptFiles(hwndMain, TRUE);

#if ENABLE_TOUCH
		RegisterTouchWindow(hwndDisplay, TWF_WANTPALM);
#endif

		SetFocus(hwndMain);
		SetFocus(hwndDisplay);

		return TRUE;
	}

	void BrowseAndBoot(std::string defaultPath)
	{
		std::string fn;
		std::string filter = "PSP ROMs (*.iso *.cso *.pbp *.elf)|*.pbp;*.elf;*.iso;*.cso;*.prx|All files (*.*)|*.*||";
		
		for (int i=0; i<(int)filter.length(); i++)
		{
			if (filter[i] == '|')
				filter[i] = '\0';
		}

		if (W32Util::BrowseForFileName(true, GetHWND(), "Load File", defaultPath.size() ? defaultPath.c_str() : 0, filter.c_str(),"*.pbp;*.elf;*.iso;*.cso;",fn))
		{
			// decode the filename with fullpath
			std::string fullpath = fn;
			char drive[MAX_PATH];
			char dir[MAX_PATH];
			char fname[MAX_PATH];
			char ext[MAX_PATH];
			_splitpath(fullpath.c_str(), drive, dir, fname, ext);

			std::string executable = std::string(drive) + std::string(dir) + std::string(fname) + std::string(ext);
			NativeMessageReceived("boot", executable.c_str());
		}
	}

	LRESULT CALLBACK DisplayProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
	{
		switch (message) 
		{
		case WM_ACTIVATE:
			break;
		case WM_SETFOCUS:
			break;
		case WM_SIZE:
			break;

		case WM_ERASEBKGND:
	  	return DefWindowProc(hWnd, message, wParam, lParam);

		case WM_LBUTTONDOWN:
			{
				lock_guard guard(input_state.lock);
				input_state.mouse_valid = true;
				input_state.pointer_down[0] = true;
				input_state.pointer_x[0] = GET_X_LPARAM(lParam); 
				input_state.pointer_y[0] = GET_Y_LPARAM(lParam);

				if (g_Config.iWindowZoom == 1)
				{
					input_state.pointer_x[0] *= 2;
					input_state.pointer_y[0] *= 2;
				}
			}
			break;

		case WM_MOUSEMOVE:
			{
				lock_guard guard(input_state.lock);
				input_state.pointer_x[0] = GET_X_LPARAM(lParam); 
				input_state.pointer_y[0] = GET_Y_LPARAM(lParam);

				if (g_Config.iWindowZoom == 1)
				{
					input_state.pointer_x[0] *= 2;
					input_state.pointer_y[0] *= 2;
				}
			}
			break;

		case WM_LBUTTONUP:
			{
				lock_guard guard(input_state.lock);
				input_state.pointer_down[0] = false;
				input_state.pointer_x[0] = GET_X_LPARAM(lParam); 
				input_state.pointer_y[0] = GET_Y_LPARAM(lParam);

				if (g_Config.iWindowZoom == 1)
				{
					input_state.pointer_x[0] *= 2;
					input_state.pointer_y[0] *= 2;
				}
			}
			break;

		case WM_TOUCH:
			{
				// TODO: Enabling this section will probably break things on Windows XP.
				// We probably need to manually fetch pointers to GetTouchInputInfo and CloseTouchInputHandle.
#if ENABLE_TOUCH
				UINT inputCount = LOWORD(wParam);
				TOUCHINPUT *inputs = new TOUCHINPUT[inputCount];
				if (GetTouchInputInfo((HTOUCHINPUT)lParam,
					inputCount,
					inputs,
					sizeof(TOUCHINPUT)))
				{
					for (int i = 0; i < inputCount; i++) {
						// TODO: process inputs here!

					}

					if (!CloseTouchInputHandle((HTOUCHINPUT)lParam))
					{
						// error handling
					}
				}
				else
				{
					// GetLastError() and error handling
				}
				delete [] inputs;
				return DefWindowProc(hWnd, message, wParam, lParam);
#endif
			}


		case WM_PAINT:
			return DefWindowProc(hWnd, message, wParam, lParam);
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		return 0;
	}

	LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
	{
		int wmId, wmEvent;
		std::string fn;

		I18NCategory *g = GetI18NCategory("Graphics");

		switch (message) 
		{
		case WM_CREATE:
			loadControlsFromFile();
			break;

		case WM_MOVE:
			SavePosition();
			ResizeDisplay();
			break;

		case WM_SIZE:
			SavePosition();
			ResizeDisplay();
			break;

		case WM_TIMER:
			// Hack: Take the opportunity to also show/hide the mouse cursor in fullscreen mode.
			if (g_bFullScreen && globalUIState == UISTATE_INGAME) {
				ShowCursor(FALSE);
			} else {
				ShowCursor(TRUE);
				SetCursor(LoadCursor(NULL, IDC_ARROW));
			}
			SetTimer(hWnd, TIMER_CURSORUPDATE, CURSORUPDATE_INTERVAL_MS, 0);
			return 0;

		case WM_COMMAND:
			wmId    = LOWORD(wParam); 
			wmEvent = HIWORD(wParam); 
			// Parse the menu selections:
			switch (wmId)
			{
			case ID_FILE_LOAD:
				BrowseAndBoot("");
				break;

			case ID_FILE_LOAD_MEMSTICK:
				{
					std::string memStickDir, flash0dir;
					GetSysDirectories(memStickDir, flash0dir);
					memStickDir += "PSP\\GAME\\";
					BrowseAndBoot(memStickDir);
				}
				break;

			case ID_FILE_REFRESHGAMELIST:
				break;

			case ID_FILE_MEMSTICK:
				{
					std::string memStickDir, flash0dir;
					GetSysDirectories(memStickDir, flash0dir);
					ShellExecuteA(NULL, "open", memStickDir.c_str(), 0, 0, SW_SHOW);
				}
				break;

			case ID_EMULATION_RUN:
				if (Core_IsStepping()) {
					Core_EnableStepping(false);
				} else {
					NativeMessageReceived("run", "");
				}
				if (disasmWindow[0])
					SendMessage(disasmWindow[0]->GetDlgHandle(), WM_COMMAND, IDC_GO, 0);
				break;

			case ID_EMULATION_STOP:
				if (memoryWindow[0]) {
					SendMessage(memoryWindow[0]->GetDlgHandle(), WM_CLOSE, 0, 0);
				}
				if (disasmWindow[0]) {
					SendMessage(disasmWindow[0]->GetDlgHandle(), WM_CLOSE, 0, 0);
				}
				if (Core_IsStepping()) {
					Core_EnableStepping(false);
				}
				NativeMessageReceived("stop", "");
				SetPlaying(0);
				Update();
				break;

			case ID_EMULATION_PAUSE:
				if (disasmWindow[0])
				{
					SendMessage(disasmWindow[0]->GetDlgHandle(), WM_COMMAND, IDC_STOP, 0);
				} else if (globalUIState == UISTATE_INGAME) {
					Core_EnableStepping(true);
				}
				break;

			case ID_EMULATION_RESET:
				NativeMessageReceived("reset", "");
				break;

			case ID_EMULATION_SPEEDLIMIT:
				g_Config.bSpeedLimit = !g_Config.bSpeedLimit;
				break;

			case ID_FILE_LOADSTATEFILE:
				if (W32Util::BrowseForFileName(true, hWnd, "Load state",0,"Save States (*.ppst)\0*.ppst\0All files\0*.*\0\0","ppst",fn))
				{
					SetCursor(LoadCursor(0,IDC_WAIT));
					SaveState::Load(fn, SaveStateActionFinished);
				}
				break;

			case ID_FILE_SAVESTATEFILE:
				if (W32Util::BrowseForFileName(false, hWnd, "Save state",0,"Save States (*.ppst)\0*.ppst\0All files\0*.*\0\0","ppst",fn))
				{
					SetCursor(LoadCursor(0,IDC_WAIT));
					SaveState::Save(fn, SaveStateActionFinished);
				}
				break;

			// TODO: Add UI for multiple slots

			case ID_FILE_QUICKLOADSTATE:
				SetCursor(LoadCursor(0,IDC_WAIT));
				SaveState::LoadSlot(0, SaveStateActionFinished);
				break;

			case ID_FILE_QUICKSAVESTATE:
				SetCursor(LoadCursor(0,IDC_WAIT));
				SaveState::SaveSlot(0, SaveStateActionFinished);
				break;

			case ID_OPTIONS_SCREEN1X:
				SetZoom(1);
				break;
			case ID_OPTIONS_SCREEN2X:
				SetZoom(2);
				break;
			case ID_OPTIONS_SCREEN3X:
				SetZoom(3);
				break;
			case ID_OPTIONS_SCREEN4X:
				SetZoom(4);
				break;

			case ID_OPTIONS_MIPMAP:
				g_Config.bMipMap = !g_Config.bMipMap;
				break;

			case ID_TEXTURESCALING_OFF:
				setTexScalingLevel(1);
				break;
			case ID_TEXTURESCALING_2X:
				setTexScalingLevel(2);
				break;
			case ID_TEXTURESCALING_3X:
				setTexScalingLevel(3);
				break;
			case ID_TEXTURESCALING_4X:
				setTexScalingLevel(4);
				break;
			case ID_TEXTURESCALING_5X:
				setTexScalingLevel(5);
				break;

			case ID_TEXTURESCALING_XBRZ:
				setTexScalingType(TextureScaler::XBRZ);
				break;
			case ID_TEXTURESCALING_HYBRID:
				setTexScalingType(TextureScaler::HYBRID);
				break;
			case ID_TEXTURESCALING_BICUBIC:
				setTexScalingType(TextureScaler::BICUBIC);
				break;
			case ID_TEXTURESCALING_HYBRID_BICUBIC:
				setTexScalingType(TextureScaler::HYBRID_BICUBIC);
				break;

			case ID_TEXTURESCALING_DEPOSTERIZE:
				g_Config.bTexDeposterize = !g_Config.bTexDeposterize;
				if(gpu) gpu->ClearCacheNextFrame();
				break;

			case ID_OPTIONS_BUFFEREDRENDERING:
				g_Config.bBufferedRendering = !g_Config.bBufferedRendering;
				osm.ShowOnOff(g->T("Buffered Rendering"), g_Config.bBufferedRendering);
				if (gpu)
					gpu->Resized();  // easy way to force a clear...
				break;

			case ID_OPTIONS_SHOWDEBUGSTATISTICS:
				g_Config.bShowDebugStats = !g_Config.bShowDebugStats;
				break;

			case ID_OPTIONS_HARDWARETRANSFORM:
				g_Config.bHardwareTransform = !g_Config.bHardwareTransform;
				osm.ShowOnOff(g->T("Hardware Transform"), g_Config.bHardwareTransform);
				break;

			case ID_OPTIONS_STRETCHDISPLAY:
				g_Config.bStretchToDisplay = !g_Config.bStretchToDisplay;
				if (gpu)
					gpu->Resized();  // easy way to force a clear...
				break;

			case ID_OPTIONS_FRAMESKIP:
				g_Config.iFrameSkip = g_Config.iFrameSkip == 0 ? 1 : 0;
				osm.ShowOnOff(g->T("Frame Skipping"), g_Config.iFrameSkip != 0);
				break;

			case ID_OPTIONS_USEMEDIAENGINE:
				g_Config.bUseMediaEngine = !g_Config.bUseMediaEngine;
				osm.ShowOnOff(g->T("Media Engine"), g_Config.bUseMediaEngine);
				break;

			case ID_FILE_EXIT:
				DestroyWindow(hWnd);
				break;

			case ID_CPU_DYNAREC:
				g_Config.bJit = true;
				osm.ShowOnOff(g->T("Dynarec", "Dynarec (JIT)"), g_Config.bJit);
				break;	

			case ID_CPU_INTERPRETER:
				g_Config.bJit = false;
				break;

			case ID_EMULATION_RUNONLOAD:
				g_Config.bAutoRun = !g_Config.bAutoRun;
				break;

			case ID_DEBUG_DUMPNEXTFRAME:
				if (gpu)
					gpu->DumpNextFrame();
				break;

			case ID_DEBUG_LOADMAPFILE:
				if (W32Util::BrowseForFileName(true, hWnd, "Load .MAP",0,"Maps\0*.map\0All files\0*.*\0\0","map",fn)) {
					symbolMap.LoadSymbolMap(fn.c_str());
//					HLE_PatchFunctions();
					if (disasmWindow[0])
						disasmWindow[0]->NotifyMapLoaded();
					if (memoryWindow[0])
						memoryWindow[0]->NotifyMapLoaded();
				}
				break;
			case ID_DEBUG_SAVEMAPFILE:
				if (W32Util::BrowseForFileName(false, hWnd, "Save .MAP",0,"Maps\0*.map\0All files\0*.*\0\0","map",fn))
					symbolMap.SaveSymbolMap(fn.c_str());
				break;
		
			case ID_DEBUG_RESETSYMBOLTABLE:
				symbolMap.ResetSymbolMap();
				for (int i=0; i<numCPUs; i++)
					if (disasmWindow[i])
						disasmWindow[i]->NotifyMapLoaded();
				for (int i=0; i<numCPUs; i++)
					if (memoryWindow[i])
						memoryWindow[i]->NotifyMapLoaded();
				break;
			case ID_DEBUG_DISASSEMBLY:
				if (disasmWindow[0])
					disasmWindow[0]->Show(true);
				break;
			case ID_DEBUG_MEMORYVIEW:
				if (memoryWindow[0])
					memoryWindow[0]->Show(true);
				break;
			case ID_DEBUG_LOG:
				LogManager::GetInstance()->GetConsoleListener()->Show(LogManager::GetInstance()->GetConsoleListener()->Hidden());
				break;

			case ID_OPTIONS_IGNOREILLEGALREADS:
				g_Config.bIgnoreBadMemAccess = !g_Config.bIgnoreBadMemAccess;
				break;

			case ID_OPTIONS_FULLSCREEN:
				g_Config.bFullScreen = !g_Config.bFullScreen ;
				if(g_bFullScreen) {
					_ViewNormal(hWnd); 
				} else {
					_ViewFullScreen(hWnd);
				}
				break;

			case ID_OPTIONS_VERTEXCACHE:
				g_Config.bVertexCache = !g_Config.bVertexCache;
				break;
			case ID_OPTIONS_SHOWFPS:
				g_Config.bShowFPSCounter = !g_Config.bShowFPSCounter;
				break;
			case ID_OPTIONS_DISPLAYRAWFRAMEBUFFER:
				g_Config.bDisplayFramebuffer = !g_Config.bDisplayFramebuffer;
				break;
			case ID_OPTIONS_FASTMEMORY:
				g_Config.bFastMemory = !g_Config.bFastMemory;
				break;
			case ID_OPTIONS_USEVBO:
				g_Config.bUseVBO = !g_Config.bUseVBO;
				break;
			case ID_OPTIONS_LINEARFILTERING:
				g_Config.bLinearFiltering = !g_Config.bLinearFiltering;
				break;
			case ID_OPTIONS_SIMPLE2XSSAA:
				g_Config.SSAntiAliasing = !g_Config.SSAntiAliasing;
				ResizeDisplay(true);
				break;
			case ID_OPTIONS_CONTROLS:
				DialogManager::EnableAll(FALSE);
				DialogBox(hInst, (LPCTSTR)IDD_CONTROLS, hWnd, (DLGPROC)Controls);
				DialogManager::EnableAll(TRUE);
				break;
			case ID_EMULATION_SOUND:
				g_Config.bEnableSound = !g_Config.bEnableSound;
				break;
      			case ID_HELP_OPENWEBSITE:
				ShellExecute(NULL, "open", "http://www.ppsspp.org/", NULL, NULL, SW_SHOWNORMAL);
        			break;

      			case ID_HELP_ABOUT:
				DialogManager::EnableAll(FALSE);
				DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
				DialogManager::EnableAll(TRUE);
				break;

			default:
				{
					MessageBox(hwndMain,"Unimplemented","Sorry",0);
				}
				break;
			}
			break;
		case WM_KEYDOWN:
			return 0;

		case WM_DROPFILES:
			{
				HDROP hdrop = (HDROP)wParam;
				int count = DragQueryFile(hdrop,0xFFFFFFFF,0,0);
				if (count != 1)
				{
					MessageBox(hwndMain,"You can only load one file at a time","Error",MB_ICONINFORMATION);
				}
				else
				{
					TCHAR filename[512];
					DragQueryFile(hdrop,0,filename,512);
					TCHAR *type = filename+_tcslen(filename)-3;

					SendMessage(hWnd, WM_COMMAND, ID_EMULATION_STOP, 0);
					// Ugly, need to wait for the stop message to process in the EmuThread.
					Sleep(20);
					
					MainWindow::SetPlaying(filename);
					MainWindow::Update();

					NativeMessageReceived("boot", filename);
				}
			}
			break;

		case WM_CLOSE:
			Core_Stop();
			Core_WaitInactive(200);
			EmuThread_Stop();

			/*
			if (g_Config.bConfirmOnQuit && CCore::IsRunning())
			{
				if (IDNO==MessageBox(hwndMain,"A game is in progress. Are you sure you want to exit?","Are you sure?",MB_YESNO|MB_ICONQUESTION))
					return 1;//or 1?
				else
					return DefWindowProc(hWnd,message,wParam,lParam);
				break;
			}
			else
			*/
			return DefWindowProc(hWnd,message,wParam,lParam);

		case WM_DESTROY:
			PostQuitMessage(0);
			break;

		case WM_USER+1:
			if (disasmWindow[0])
				SendMessage(disasmWindow[0]->GetDlgHandle(), WM_CLOSE, 0, 0);
			if (memoryWindow[0])
				SendMessage(memoryWindow[0]->GetDlgHandle(), WM_CLOSE, 0, 0);

			disasmWindow[0] = new CDisasm(MainWindow::GetHInstance(), MainWindow::GetHWND(), currentDebugMIPS);
			DialogManager::AddDlg(disasmWindow[0]);
			disasmWindow[0]->Show(g_Config.bShowDebuggerOnLoad);
			if (g_Config.bFullScreen)
				_ViewFullScreen(hWnd);
			memoryWindow[0] = new CMemoryDlg(MainWindow::GetHInstance(), MainWindow::GetHWND(), currentDebugMIPS);
			DialogManager::AddDlg(memoryWindow[0]);
			if (disasmWindow[0])
				disasmWindow[0]->NotifyMapLoaded();
			if (memoryWindow[0])
				memoryWindow[0]->NotifyMapLoaded();

			SetForegroundWindow(hwndMain);
			break;


		case WM_MENUSELECT:
			// Unfortunately, accelerate keys (hotkeys) shares the same enabled/disabled states
			// with corresponding menu items.
			UpdateMenus();
			break;

		// Turn off the screensaver.
		// Note that if there's a screensaver password, this simple method
		// doesn't work on Vista or higher.
		case WM_SYSCOMMAND:
			{
				switch (wParam)
				{
				case SC_SCREENSAVE:  
					return 0;
				case SC_MONITORPOWER:
					return 0;      
				}
				return DefWindowProc(hWnd, message, wParam, lParam);
			}

		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		return 0;
	}

	void UpdateMenus()
	{
		HMENU menu = GetMenu(GetHWND());
#define CHECKITEM(item,value) 	CheckMenuItem(menu,item,MF_BYCOMMAND | ((value) ? MF_CHECKED : MF_UNCHECKED));

		CHECKITEM(ID_EMULATION_SPEEDLIMIT,g_Config.bSpeedLimit);
//		CHECK(ID_OPTIONS_ENABLEFRAMEBUFFER,g_Config.bEnableFrameBuffer);
//		CHECK(ID_OPTIONS_EMULATESYSCALL,g_bEmulateSyscall);
		CHECKITEM(ID_OPTIONS_DISPLAYRAWFRAMEBUFFER, g_Config.bDisplayFramebuffer);
		CHECKITEM(ID_OPTIONS_IGNOREILLEGALREADS,g_Config.bIgnoreBadMemAccess);
		CHECKITEM(ID_CPU_INTERPRETER,g_Config.bJit == false);
		CHECKITEM(ID_CPU_DYNAREC,g_Config.bJit == true);
		CHECKITEM(ID_OPTIONS_BUFFEREDRENDERING, g_Config.bBufferedRendering);
		CHECKITEM(ID_OPTIONS_SHOWDEBUGSTATISTICS, g_Config.bShowDebugStats);
		CHECKITEM(ID_OPTIONS_HARDWARETRANSFORM, g_Config.bHardwareTransform);
		CHECKITEM(ID_OPTIONS_FASTMEMORY, g_Config.bFastMemory);
		CHECKITEM(ID_OPTIONS_LINEARFILTERING, g_Config.bLinearFiltering);
		CHECKITEM(ID_OPTIONS_SIMPLE2XSSAA, g_Config.SSAntiAliasing);
		CHECKITEM(ID_OPTIONS_STRETCHDISPLAY, g_Config.bStretchToDisplay);
		CHECKITEM(ID_EMULATION_RUNONLOAD, g_Config.bAutoRun);
		CHECKITEM(ID_OPTIONS_USEVBO, g_Config.bUseVBO);
		CHECKITEM(ID_OPTIONS_VERTEXCACHE, g_Config.bVertexCache);
		CHECKITEM(ID_OPTIONS_SHOWFPS, g_Config.bShowFPSCounter);
		CHECKITEM(ID_OPTIONS_FRAMESKIP, g_Config.iFrameSkip != 0);
		CHECKITEM(ID_OPTIONS_USEMEDIAENGINE, g_Config.bUseMediaEngine);
		CHECKITEM(ID_OPTIONS_MIPMAP, g_Config.bMipMap);
		CHECKITEM(ID_EMULATION_SOUND, g_Config.bEnableSound);
		CHECKITEM(ID_TEXTURESCALING_DEPOSTERIZE, g_Config.bTexDeposterize);
		
		static const int zoomitems[4] = {
			ID_OPTIONS_SCREEN1X,
			ID_OPTIONS_SCREEN2X,
			ID_OPTIONS_SCREEN3X,
			ID_OPTIONS_SCREEN4X,
		};
		for (int i = 0; i < 4; i++) {
			CheckMenuItem(menu, zoomitems[i], MF_BYCOMMAND | ((i == g_Config.iWindowZoom - 1) ? MF_CHECKED : MF_UNCHECKED));
		}

		static const int texscalingitems[] = {
			ID_TEXTURESCALING_OFF,
			ID_TEXTURESCALING_2X,
			ID_TEXTURESCALING_3X,
			ID_TEXTURESCALING_4X,
			ID_TEXTURESCALING_5X,
		};
		for (int i = 0; i < 5; i++) {
			CheckMenuItem(menu, texscalingitems[i], MF_BYCOMMAND | ((i == g_Config.iTexScalingLevel-1) ? MF_CHECKED : MF_UNCHECKED));
		}

		static const int texscalingtypeitems[] = {
			ID_TEXTURESCALING_XBRZ,
			ID_TEXTURESCALING_HYBRID,
			ID_TEXTURESCALING_BICUBIC,
			ID_TEXTURESCALING_HYBRID_BICUBIC,
		};
		for (int i = 0; i < 4; i++) {
			CheckMenuItem(menu, texscalingtypeitems[i], MF_BYCOMMAND | ((i == g_Config.iTexScalingType) ? MF_CHECKED : MF_UNCHECKED));
		}

		UpdateCommands();
	}

	void UpdateCommands()
	{
		static GlobalUIState lastGlobalUIState = UISTATE_PAUSEMENU;
		static CoreState lastCoreState = CORE_ERROR;

		if (lastGlobalUIState == globalUIState && lastCoreState == coreState)
			return;

		lastCoreState = coreState;
		lastGlobalUIState = globalUIState;

		HMENU menu = GetMenu(GetHWND());
		EnableMenuItem(menu,ID_EMULATION_RUN, (Core_IsStepping() || globalUIState == UISTATE_PAUSEMENU) ? MF_ENABLED : MF_GRAYED);

		UINT ingameEnable = globalUIState == UISTATE_INGAME ? MF_ENABLED : MF_GRAYED;
		EnableMenuItem(menu,ID_EMULATION_PAUSE, ingameEnable);
		EnableMenuItem(menu,ID_EMULATION_STOP, ingameEnable);
		EnableMenuItem(menu,ID_EMULATION_RESET, ingameEnable);

		UINT menuEnable = globalUIState == UISTATE_MENU ? MF_ENABLED : MF_GRAYED;
		EnableMenuItem(menu,ID_FILE_LOAD, menuEnable);
		EnableMenuItem(menu,ID_FILE_LOAD_MEMSTICK, menuEnable);
		EnableMenuItem(menu,ID_FILE_SAVESTATEFILE, !menuEnable);
		EnableMenuItem(menu,ID_FILE_LOADSTATEFILE, !menuEnable);
		EnableMenuItem(menu,ID_FILE_QUICKSAVESTATE, !menuEnable);
		EnableMenuItem(menu,ID_FILE_QUICKLOADSTATE, !menuEnable);
		EnableMenuItem(menu,ID_CPU_DYNAREC, menuEnable);
		EnableMenuItem(menu,ID_CPU_INTERPRETER, menuEnable);
		EnableMenuItem(menu,ID_EMULATION_STOP, !menuEnable);
	}


	// Message handler for about box.
	LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
	{
		switch (message)
		{
		case WM_INITDIALOG:
			W32Util::CenterWindow(hDlg);
			{
				HWND versionBox = GetDlgItem(hDlg, IDC_VERSION);
				char temp[256];
				sprintf(temp, "PPSSPP %s", PPSSPP_GIT_VERSION);
				SetWindowText(versionBox, temp);
			}
			return TRUE;

		case WM_COMMAND:
			if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
			{
				EndDialog(hDlg, LOWORD(wParam));
				return TRUE;
			}
			break;
		}
		return FALSE;
	}

#define CONTROLS_IDC_EDIT_BEGIN IDC_EDIT_KEY_MENU
#define CONTROLS_IDC_EDIT_END   IDC_EDIT_KEY_ANALOG_RIGHT
#define CONTROLS_BUTTONS_COUNT  (IDC_EDIT_KEYRIGHT - CONTROLS_IDC_EDIT_BEGIN + 1)
#define CONTROLS_BUTTONNAME_MAX 16
// for controls dialog device polling and bind update.
#define TIMER_CONTROLS_BINDUPDATE 1
#define BINDUPDATE_INTERVAL_MS 50

	static const char *controllist[] = {
		"Menu",        // Open PauseScreen
		"Back",        // Toggle PauseScreen & Back Setting Page.
		"Triangle",
		"Rectangle",
		"Cross",
		"Circle",
		"Select",
		"Start",
		"Left Trigger",
		"Right Trigger",
		"Turbo",       // LBUMPER (Turbo)
		"Reserved",    // RBUMPER (Open PauseScreen)
		"Up",
		"Down",
		"Left",
		"Right",
		"LY+",
		"LY-",
		"LX-",
		"LX+",
	};

	struct ControlsDlgState {
		HHOOK    pKeydownHook;
		HBITMAP  hbmPspImage;
		HWND     hCtrlTab;
		UINT_PTR timerId;
		WNDPROC  orgPSPImageProc;
		WNDPROC  orgEditProc;
		ControlMapping *pCtrlMap;
		HWND     hStaticPspImage;
	};
	static ControlsDlgState *pCtrlDlgState;

	RECT getRedrawRect(HWND hWnd) {
		RECT rc;
		HWND hDlg = GetParent(hWnd);
		GetWindowRect(hWnd, &rc);
		POINT pt = {0, 0};
		ScreenToClient(hDlg, &pt);
		rc.left += pt.x;
		rc.right += pt.x;
		rc.top += pt.y;
		rc.bottom += pt.y;
		
		return rc;
	}

	LRESULT CALLBACK KeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
	{
		if (pCtrlDlgState->pCtrlMap->GetTargetDevice() == CONTROLS_KEYBOARD_INDEX) {
			HWND hEdit = GetFocus();
			UINT nCtrlID = GetDlgCtrlID(hEdit);
			if (nCtrlID < CONTROLS_IDC_EDIT_BEGIN || nCtrlID > CONTROLS_IDC_EDIT_END) {
				return CallNextHookEx(pCtrlDlgState->pKeydownHook, nCode, wParam, lParam);
			}
			if (!(lParam&(1<<31))) {
				// key down
				HWND hDlg = GetParent(hEdit);
				const char *str = getVirtualKeyName(wParam);
				if (str) {
					if (nCtrlID >= IDC_EDIT_KEY_ANALOG_UP) {
						pCtrlDlgState->pCtrlMap->SetBindCode(wParam, CONTROLS_KEYBOARD_ANALOG_INDEX,
							nCtrlID - IDC_EDIT_KEY_ANALOG_UP);
					} else {
						pCtrlDlgState->pCtrlMap->SetBindCode(wParam);
					}
					SetWindowTextA(hEdit, str);
					RECT rc = getRedrawRect(hEdit);
					InvalidateRect(hDlg, &rc, false);
				}
				else
					MessageBoxA(hDlg, "Not supported!", "controller", MB_OK);
			}
		}
		return 1;
	}

	HBITMAP LoadImageFromResource(HINSTANCE hInstance,LPCTSTR pszResourceName, LPCTSTR lpType)
	{
		HRSRC hrsrc = FindResource(hInstance, pszResourceName, lpType);
		if (!hrsrc)
			return FALSE;
		DWORD dwlen = SizeofResource(hInstance, hrsrc);
		BYTE *lpRsrc = (BYTE*)LoadResource(hInstance, hrsrc);
		if (!lpRsrc)
			return FALSE;
		int width, height;
		unsigned char *image_data = 0;
		bool bResult = pngLoadPtr(lpRsrc, dwlen, &width, &height, &image_data, false) != 0;
		FreeResource(lpRsrc);
		if (!bResult)
			return 0;
		HBITMAP hbm = CreateBitmap(width, height, 1, 32, image_data);
		free(image_data);
		return hbm;
	}
	void BitBlt(HBITMAP hbm, HDC dstDC, int dstX, int dstY, int width, int height, int srcX, int srcY)
	{
		HDC hCompDC = CreateCompatibleDC(dstDC);
		HBITMAP oldbm = (HBITMAP)SelectObject(hCompDC, hbm);
		BitBlt(dstDC, dstX, dstY, width, height, hCompDC, srcX, srcY, SRCCOPY);
		SelectObject(hCompDC, oldbm);
		DeleteObject(hCompDC);
	}

	inline void SetWindowTextForButton(HWND hEdit, u32 buttonCode, const char *pszButtonName)
	{
		if (buttonCode == 0) {
			SetWindowTextA(hEdit, "Disable");
		} else {
			SetWindowTextA(hEdit, pszButtonName);
		}
	}

	// Draw background image of Controls Dialog (pspmode.png) by use static control.
	LRESULT CALLBACK PSPImageProc(HWND hStatic, UINT message, WPARAM wParam, LPARAM lParam)
	{

		switch(message) {
			case WM_PAINT:
				{
					PAINTSTRUCT pst;	
					HDC hdc = BeginPaint(hStatic, &pst);
					
					BITMAP bm;
					GetObject(pCtrlDlgState->hbmPspImage, sizeof(BITMAP), &bm);
					BitBlt(pCtrlDlgState->hbmPspImage, hdc, 0, 0, bm.bmWidth, bm.bmHeight, 0 , 0);
					EndPaint(hStatic, &pst);
					
					return TRUE;
				}
			default:
				break;
		}
		return CallWindowProc(pCtrlDlgState->orgPSPImageProc, hStatic, message, wParam, lParam);
	}

	LRESULT CALLBACK ButtonsEditProc(HWND hEdit, UINT message, WPARAM wParam, LPARAM lParam)
	{
		switch (message) {
		case WM_RBUTTONUP:
			{
				UINT nCtrlID = GetDlgCtrlID(hEdit);
				int deviceIdx =  TabCtrl_GetCurSel(pCtrlDlgState->hCtrlTab);
				if (deviceIdx != CONTROLS_KEYBOARD_INDEX && nCtrlID >= IDC_EDIT_KEY_ANALOG_UP)
					return TRUE;

				HMENU hSubMenu = GetSubMenu(g_hPopupMenus, 4);
				POINT pos;
				pos.x = LOWORD(lParam);
				pos.y = HIWORD(lParam);
				ClientToScreen(hEdit, &pos);
				switch(TrackPopupMenuEx(GetSubMenu(g_hPopupMenus, 4), TPM_RETURNCMD, pos.x, pos.y, hEdit, NULL))
				{
				case ID_CONTROLS_KEY_DISABLE:
					{
						if (nCtrlID < IDC_EDIT_KEY_ANALOG_UP) {
							pCtrlDlgState->pCtrlMap->SetDisableBind(deviceIdx, nCtrlID - CONTROLS_IDC_EDIT_BEGIN);
						}
						else if (deviceIdx == CONTROLS_KEYBOARD_INDEX) {
							pCtrlDlgState->pCtrlMap->SetDisableBind(
								CONTROLS_KEYBOARD_ANALOG_INDEX, nCtrlID - IDC_EDIT_KEY_ANALOG_UP);
						}
						SetWindowTextA(hEdit, "Disable");
						RECT rc = getRedrawRect(hEdit);
						HWND hDlg = GetParent(hEdit);
						InvalidateRect(hDlg, &rc, false);
						break;
					}
				default:
					break;
				}
				return TRUE;
			}
		default :
			break;
		}
		return CallWindowProc(pCtrlDlgState->orgEditProc, hEdit, message, wParam, lParam);
	}

	// Message handler for control box.
	LRESULT CALLBACK Controls(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
	{	
		switch (message)
		{
		case WM_INITDIALOG:
			W32Util::CenterWindow(hDlg);
			{
				// IDC_EDIT_xxx is need continuous value to IDC_EDIT_KEY_ANALOG_RIGHT from IDC_EDIT_KEY_MENU.
				// it is total 16.
				// it is need the same order as the dinput_ctrl_map(and xinput/keyboard).
				if (CONTROLS_BUTTONS_COUNT != 16) {
					char mes[100];
					snprintf(mes, 100, "CONTROLS_BUTTONS_COUNT(%d) is need 16.", CONTROLS_BUTTONS_COUNT);
					MessageBoxA(hDlg, mes, "Controls dialog init error.", MB_OK);
				}
				pCtrlDlgState = new ControlsDlgState();
				ZeroMemory(pCtrlDlgState, sizeof(ControlsDlgState));
				pCtrlDlgState->pCtrlMap = ControlMapping::CreateInstance(CONTROLS_BUTTONS_COUNT);
				if (!pCtrlDlgState->pCtrlMap) {
					MessageBoxA(hDlg, "Cannot Created ControlMapping instance.", "Controls dialog init error.", MB_OK);
				}
				pCtrlDlgState->pCtrlMap->SetTargetDevice(CONTROLS_KEYBOARD_INDEX);

				pCtrlDlgState->hCtrlTab = GetDlgItem(hDlg, IDC_TAB_INPUT_DEVICE);
				TCITEM tcItem;
				ZeroMemory(&tcItem, sizeof(tcItem));
				tcItem.mask			= TCIF_TEXT;
				tcItem.dwState		= 0;
				tcItem.pszText		= "Keyboard";
				tcItem.cchTextMax	= (int)strlen(tcItem.pszText)+1;
				tcItem.iImage		= 0;
				TabCtrl_InsertItem(pCtrlDlgState->hCtrlTab, TabCtrl_GetItemCount(pCtrlDlgState->hCtrlTab),&tcItem);
				tcItem.pszText		= "DirectInput";
				tcItem.cchTextMax	= (int)strlen(tcItem.pszText)+1;
				TabCtrl_InsertItem(pCtrlDlgState->hCtrlTab, TabCtrl_GetItemCount(pCtrlDlgState->hCtrlTab),&tcItem);
				tcItem.pszText		= "XInput";
				tcItem.cchTextMax	= (int)strlen(tcItem.pszText)+1;
				TabCtrl_InsertItem(pCtrlDlgState->hCtrlTab, TabCtrl_GetItemCount(pCtrlDlgState->hCtrlTab),&tcItem);
				int tp_w = 0, tp_h = 0;
				// TODO: connect to keyboard device instead
				{
					
					HBITMAP hResBM = LoadImageFromResource(hInst, MAKEINTRESOURCE(IDB_IMAGE_PSP), "IMAGE");
					pCtrlDlgState->hStaticPspImage = GetDlgItem(hDlg,IDC_STATIC_IMAGE_PSP);
					RECT clientRect, tabPageRect, imgRect;
					
					GetClientRect(hDlg, &clientRect);
					memcpy(&tabPageRect, &clientRect, sizeof(RECT));
					TabCtrl_AdjustRect(pCtrlDlgState->hCtrlTab, FALSE, &tabPageRect);
					tp_w = tabPageRect.right - tabPageRect.left;
					tp_h = tabPageRect.bottom - tabPageRect.top;
					MoveWindow(pCtrlDlgState->hStaticPspImage, tabPageRect.left, tabPageRect.top, tp_w, tp_h, FALSE);
					
					HDC hDC = GetDC(pCtrlDlgState->hStaticPspImage);
					HBITMAP hMemBM = CreateCompatibleBitmap(hDC, tp_w, tp_h);
					HDC hResDC = CreateCompatibleDC(hDC);
					HDC hMemDC = CreateCompatibleDC(hDC);
					SelectObject(hResDC, hResBM);
					SelectObject(hMemDC, hMemBM);

					BITMAP bm;
					GetObject(hResBM, sizeof(BITMAP), &bm);
					SetStretchBltMode(hMemDC, HALFTONE);
					float scaleX = (float)bm.bmWidth / clientRect.right;
					float scaleY = (float)bm.bmHeight / clientRect.bottom;
					imgRect.left = (int)(tabPageRect.left * scaleX);
					imgRect.top  = (int)(tabPageRect.top * scaleY);
					imgRect.right= (int)(bm.bmWidth - ((clientRect.right - tabPageRect.right) * scaleX));
					imgRect.bottom = (int)(bm.bmHeight - ((clientRect.bottom - tabPageRect.bottom) * scaleY));
					StretchBlt(hMemDC, 0, 0, tp_w, tp_h, hResDC, imgRect.left, imgRect.top,
						imgRect.right - imgRect.left, imgRect.bottom - imgRect.top, SRCCOPY); 
					if (pCtrlDlgState->hbmPspImage)
						DeleteObject(pCtrlDlgState->hbmPspImage);
					pCtrlDlgState->hbmPspImage = hMemBM;

					DeleteDC(hMemDC);
					DeleteDC(hResDC);
					ReleaseDC(pCtrlDlgState->hStaticPspImage, hDC);
					DeleteObject(hResBM);
				}

				pCtrlDlgState->orgEditProc = (WNDPROC)GetWindowLongPtr(
					GetDlgItem(hDlg, CONTROLS_IDC_EDIT_BEGIN), GWLP_WNDPROC);
				for (int i = 0; i <= CONTROLS_IDC_EDIT_END - CONTROLS_IDC_EDIT_BEGIN; i++) {
					HWND hEdit = GetDlgItem(hDlg, CONTROLS_IDC_EDIT_BEGIN + i);
					if (i < CONTROLS_BUTTONS_COUNT) {
						u32 keyCode = pCtrlDlgState->pCtrlMap->GetBindCode(CONTROLS_KEYBOARD_INDEX, i);
						SetWindowTextForButton(hEdit, keyCode, getVirtualKeyName(keyCode));
					} else {
						u32 analogCode = pCtrlDlgState->pCtrlMap->GetBindCode(
							CONTROLS_KEYBOARD_ANALOG_INDEX, i - CONTROLS_BUTTONS_COUNT);
						SetWindowTextForButton(hEdit, analogCode, getVirtualKeyName(analogCode));
					}
					if (pCtrlDlgState->orgEditProc != (WNDPROC)GetWindowLongPtr(hEdit, GWLP_WNDPROC)) {
						MessageBoxA(hDlg,
							"Can not hook to the inherited Edit control. need wndproc of original edit control.",
							"Controls dialog init error.", MB_OK);
						break;
					}
					SetWindowLongPtr(hEdit, GWLP_WNDPROC, (LONG_PTR)ButtonsEditProc);
				}

				ComboBox_AddString(GetDlgItem(hDlg, IDC_FORCE_INPUT_DEVICE), "None");
				ComboBox_AddString(GetDlgItem(hDlg, IDC_FORCE_INPUT_DEVICE), "XInput");
				ComboBox_AddString(GetDlgItem(hDlg, IDC_FORCE_INPUT_DEVICE), "DirectInput");
				if ((g_Config.iForceInputDevice < 0) || (g_Config.iForceInputDevice > 1))
				{
					ComboBox_SetCurSel(GetDlgItem(hDlg, IDC_FORCE_INPUT_DEVICE), 0);
				}
				else
				{
					ComboBox_SetCurSel(GetDlgItem(hDlg, IDC_FORCE_INPUT_DEVICE), (g_Config.iForceInputDevice + 1));
				}
				pCtrlDlgState->orgPSPImageProc = (WNDPROC)GetWindowLongPtr(pCtrlDlgState->hStaticPspImage, GWLP_WNDPROC);
				SetWindowLongPtr(pCtrlDlgState->hStaticPspImage, GWLP_WNDPROC, (LONG_PTR)PSPImageProc);
				DWORD dwThreadID = GetWindowThreadProcessId(hDlg, NULL);
				pCtrlDlgState->pKeydownHook = SetWindowsHookEx(WH_KEYBOARD, KeyboardProc, NULL, dwThreadID);
			
				pCtrlDlgState->timerId = SetTimer(hDlg, TIMER_CONTROLS_BINDUPDATE, BINDUPDATE_INTERVAL_MS, 0);
			}
			return TRUE;
		case WM_TIMER:
			{
				if (wParam == TIMER_CONTROLS_BINDUPDATE && 
					pCtrlDlgState->pCtrlMap->GetTargetDevice() != CONTROLS_KEYBOARD_INDEX) {
					HWND hEdit = GetFocus();
					UINT nCtrlID = GetDlgCtrlID(hEdit);
					if (nCtrlID < CONTROLS_IDC_EDIT_BEGIN || nCtrlID > IDC_EDIT_KEYRIGHT) {
						break;
					}
					// device polling and update.
					int prevButton = pCtrlDlgState->pCtrlMap->GetBindCode();
					pCtrlDlgState->pCtrlMap->UpdateState();
					char str[CONTROLS_BUTTONNAME_MAX];
					ZeroMemory(str, CONTROLS_BUTTONNAME_MAX * sizeof(char));
					int buttonCode = pCtrlDlgState->pCtrlMap->GetBindCode();
					if (buttonCode == -1 || prevButton == buttonCode)
						break;

					switch(pCtrlDlgState->pCtrlMap->GetTargetDevice())
					{
					case CONTROLS_KEYBOARD_INDEX:
						{
							; // leave it to KeyboardProc.
						}
						break;
					case CONTROLS_DIRECT_INPUT_INDEX:
						{
							if (buttonCode > 0xFF) {
									int n = 1;
									for (int i = buttonCode >> 8; i > 1; i >>= 1) {
										n++;
									}
								snprintf(str, CONTROLS_BUTTONNAME_MAX, "%s",
									controllist[(IDC_EDIT_KEYUP - CONTROLS_IDC_EDIT_BEGIN - 1) + n]);
							} else {
								snprintf(str, CONTROLS_BUTTONNAME_MAX, "%d", buttonCode + 1);
							}
							SetWindowTextA(hEdit, str);
							RECT rc = getRedrawRect(hEdit);
							InvalidateRect(hDlg, &rc, FALSE);
						}
						break;
					case CONTROLS_XINPUT_INDEX:
						{
							SetWindowTextA(hEdit, getXinputButtonName(buttonCode));
							RECT rc = getRedrawRect(hEdit);
							InvalidateRect(hDlg, &rc, FALSE);								
						}
						break;
					}
				}
			}
			break;
		case WM_NOTIFY:
			{
				switch (((NMHDR *)lParam)->code)
				{
				case TCN_SELCHANGE:
					{
						int cursel =  TabCtrl_GetCurSel(pCtrlDlgState->hCtrlTab);
						pCtrlDlgState->pCtrlMap->SetTargetDevice(cursel);
						switch (cursel)
						{
						case CONTROLS_KEYBOARD_INDEX:
							{
								for (u32 i = 0; i <= IDC_EDIT_KEYRIGHT - CONTROLS_IDC_EDIT_BEGIN; i++) {
									HWND hEdit = GetDlgItem(hDlg, CONTROLS_IDC_EDIT_BEGIN + i);
									u32 keyCode = pCtrlDlgState->pCtrlMap->GetBindCode(i);
									SetWindowTextForButton(hEdit, keyCode, getVirtualKeyName(keyCode));
								}
								for (u32 i = 0; i <= CONTROLS_IDC_EDIT_END - IDC_EDIT_KEY_ANALOG_UP; i++) {
									HWND hEdit = GetDlgItem(hDlg, IDC_EDIT_KEY_ANALOG_UP + i);
									Edit_SetReadOnly(hEdit, FALSE);
									u32 analogCode = pCtrlDlgState->pCtrlMap->GetBindCode(
										CONTROLS_KEYBOARD_ANALOG_INDEX, i);
									SetWindowTextForButton(hEdit, analogCode, getVirtualKeyName(analogCode));
								}
								InvalidateRect(hDlg, 0, 0);
							}
							break;
						case CONTROLS_DIRECT_INPUT_INDEX:
							{

								for (u32 i = 0; i <= CONTROLS_IDC_EDIT_END - CONTROLS_IDC_EDIT_BEGIN; i++) {
									HWND hEdit = GetDlgItem(hDlg, CONTROLS_IDC_EDIT_BEGIN + i);
									int buttonCode = (int)pCtrlDlgState->pCtrlMap->GetBindCode(i);
									char str[16];
									if (i >= IDC_EDIT_KEYUP - CONTROLS_IDC_EDIT_BEGIN) {
										if (i >= IDC_EDIT_KEY_ANALOG_UP - CONTROLS_IDC_EDIT_BEGIN) {
											Edit_SetReadOnly(hEdit, TRUE);
											SetWindowTextA(hEdit, controllist[i]);
										} else {
											int n = 1;
											if (buttonCode != -1) {
												for (int i = buttonCode >> 8; i > 1; i >>= 1) {
													n++;
												}
												snprintf(str, CONTROLS_BUTTONNAME_MAX, "%s",
													controllist[(IDC_EDIT_KEYUP - CONTROLS_IDC_EDIT_BEGIN - 1) + n]);
											}
											SetWindowTextForButton(hEdit, buttonCode + 1, str);
										}
										continue;
									}
									snprintf(str, CONTROLS_BUTTONNAME_MAX, "%d", pCtrlDlgState->pCtrlMap->GetBindCode(i) + 1);
									SetWindowTextForButton(hEdit, buttonCode + 1, str);
								}
								InvalidateRect(hDlg, 0, 0);
							}
							break;
						case CONTROLS_XINPUT_INDEX:
							{
								for (u32 i = 0; i <= CONTROLS_IDC_EDIT_END - CONTROLS_IDC_EDIT_BEGIN; i++) {
									HWND hEdit = GetDlgItem(hDlg, CONTROLS_IDC_EDIT_BEGIN + i);
									if (i >= IDC_EDIT_KEY_ANALOG_UP - CONTROLS_IDC_EDIT_BEGIN) {
										Edit_SetReadOnly(hEdit, TRUE);
										SetWindowTextA(hEdit, controllist[i]);
										continue;
									}
									u32 button = pCtrlDlgState->pCtrlMap->GetBindCode(i);
									SetWindowTextForButton(hEdit, button, getXinputButtonName(button));
								}
								InvalidateRect(hDlg, 0, 0);
							}
							break;
						default:
							break;
						} // pCtrlDlgState->curDevice
					} // TCN_SELCHANGING:
					break;
				default:
					break;
				} // ((NMHDR *)lParam)->code
			} // WM_NOTIFY:
			break;
		case WM_PAINT:
			{
				return DefWindowProc(hDlg, message, wParam, lParam);
			}
		case WM_CTLCOLORSTATIC:
			{
				HDC hdc=(HDC)wParam;
				HWND hCtrl = (HWND)lParam;
				SetBkMode(hdc, TRANSPARENT);
				int ctrlId = GetDlgCtrlID(hCtrl);
				if (ctrlId >= IDC_EDIT_KEY_ANALOG_UP && ctrlId <= IDC_EDIT_KEY_ANALOG_RIGHT) {
					SetTextColor(hdc, RGB(128,128,128));
					RECT rc = getRedrawRect(hCtrl);
					TabCtrl_AdjustRect(pCtrlDlgState->hCtrlTab, TRUE, &rc);
					RECT clientrc;
					GetClientRect(hCtrl, &clientrc);
					TabCtrl_AdjustRect(pCtrlDlgState->hCtrlTab, TRUE, &clientrc);
					BitBlt(pCtrlDlgState->hbmPspImage, hdc, 0, 0, rc.right - rc.left, rc.bottom - rc.top, rc.left, rc.top);
					char str[11];
					GetWindowTextA(hCtrl, str, 10);
					DrawTextA(hdc, str, (int)strlen(str), &clientrc, DT_CENTER|DT_SINGLELINE);
				}
				return (LRESULT)GetStockObject(NULL_BRUSH); 
			}
		case WM_CTLCOLOREDIT:
			{
				if ((HWND)lParam == GetDlgItem(hDlg, IDC_FORCE_INPUT_DEVICE))
					return FALSE;
				HDC hdc = (HDC)wParam;
				SetBkMode(hdc, TRANSPARENT);
				SetTextColor(hdc, RGB(255, 0, 0));
				HWND hEdit = (HWND)lParam;
				RECT rc = getRedrawRect(hEdit);
				TabCtrl_AdjustRect(pCtrlDlgState->hCtrlTab, TRUE, &rc);
				RECT clientrc;
				GetClientRect(hEdit, &clientrc);
				TabCtrl_AdjustRect(pCtrlDlgState->hCtrlTab, TRUE, &clientrc);
				BitBlt(pCtrlDlgState->hbmPspImage, hdc, 0, 0, rc.right - rc.left, rc.bottom - rc.top, rc.left, rc.top);
				char str[11];
				GetWindowTextA(hEdit, str, 10);
				DrawTextA(hdc, str, (int)strlen(str), &clientrc, DT_CENTER|DT_SINGLELINE);
				return (LRESULT)GetStockObject(NULL_BRUSH);
			}
		case WM_COMMAND:
			if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
			{
				if (LOWORD(wParam) == IDOK) {
					g_Config.iForceInputDevice = (ComboBox_GetCurSel(GetDlgItem(hDlg, IDC_FORCE_INPUT_DEVICE)) - 1);
					pCtrlDlgState->pCtrlMap->BindToDevices();
					saveControlsToFile();
				}
				UnhookWindowsHookEx(pCtrlDlgState->pKeydownHook);
				KillTimer(hDlg, pCtrlDlgState->timerId);
				SetWindowLongPtr(pCtrlDlgState->hStaticPspImage, GWLP_WNDPROC, (LONG_PTR)pCtrlDlgState->orgPSPImageProc);
				for (u32 i = CONTROLS_IDC_EDIT_BEGIN; i <= CONTROLS_IDC_EDIT_END; i++) {
					HWND hEdit = GetDlgItem(hDlg, i);
					SetWindowLongPtr(hEdit, GWLP_WNDPROC, (LONG_PTR)pCtrlDlgState->orgEditProc);
				}
				EndDialog(hDlg, LOWORD(wParam));
				if (pCtrlDlgState->hbmPspImage) {
					DeleteObject(pCtrlDlgState->hbmPspImage);
					pCtrlDlgState->hbmPspImage = 0;
				}
				if (pCtrlDlgState->pCtrlMap) {
					delete pCtrlDlgState->pCtrlMap;
					pCtrlDlgState->pCtrlMap = NULL;
				}
				if (pCtrlDlgState) {
					delete pCtrlDlgState;
					pCtrlDlgState = NULL;
				}
				return TRUE;
			} else if (LOWORD(wParam) >= CONTROLS_IDC_EDIT_BEGIN &&
						LOWORD(wParam) <= IDC_EDIT_KEYRIGHT &&
						HIWORD(wParam) == EN_SETFOCUS) {
				// send about buttonsMap-index of current focus Edit-Control to ControlMapping instance.
				UINT nCtrlID = LOWORD(wParam);
				if (nCtrlID < CONTROLS_IDC_EDIT_BEGIN || nCtrlID > IDC_EDIT_KEYRIGHT) {
					break;
				}
				pCtrlDlgState->pCtrlMap->SetTargetButton(nCtrlID - CONTROLS_IDC_EDIT_BEGIN);
			}
			break;
		}
		return FALSE;
	}

	void Update()
	{
		InvalidateRect(hwndDisplay,0,0);
		UpdateWindow(hwndDisplay);
		SendMessage(hwndMain,WM_SIZE,0,0);
	}

	void Redraw()
	{
		InvalidateRect(hwndDisplay,0,0);
	}

	void _ViewNormal(HWND hWnd)
	{
		ShowCursor(TRUE);
		SetCursor(LoadCursor(NULL, IDC_ARROW));

		// put caption and border styles back
		DWORD dwOldStyle = ::GetWindowLong(hWnd, GWL_STYLE);
		DWORD dwNewStyle = dwOldStyle | WS_CAPTION | WS_THICKFRAME;
		::SetWindowLong(hWnd, GWL_STYLE, dwNewStyle);

		// put back the menu bar
		::SetMenu(hWnd, menu);

		// resize to normal view
		// NOTE: use SWP_FRAMECHANGED to force redraw non-client
		const int x = g_normalRC.left;
		const int y = g_normalRC.top;
		const int cx = g_normalRC.right - g_normalRC.left;
		const int cy = g_normalRC.bottom - g_normalRC.top;
		::SetWindowPos(hWnd, HWND_NOTOPMOST, x, y, cx, cy, SWP_FRAMECHANGED);

		// reset full screen indicator
		g_bFullScreen = FALSE;
		ResizeDisplay();
	}

	void _ViewFullScreen(HWND hWnd)
	{
		if (globalUIState == UISTATE_INGAME)
			ShowCursor(FALSE);

		// keep in mind normal window rectangle
		::GetWindowRect(hWnd, &g_normalRC);

		// remove caption and border styles
		DWORD dwOldStyle = ::GetWindowLong(hWnd, GWL_STYLE);
		DWORD dwNewStyle = dwOldStyle & ~(WS_CAPTION | WS_THICKFRAME);
		::SetWindowLong(hWnd, GWL_STYLE, dwNewStyle);

		// remove the menu bar
		::SetMenu(hWnd, NULL);

		// resize to full screen view
		// NOTE: use SWP_FRAMECHANGED to force redraw non-client
		const int x = 0;
		const int y = 0;
		const int cx = ::GetSystemMetrics(SM_CXSCREEN);
		const int cy = ::GetSystemMetrics(SM_CYSCREEN);
		::SetWindowPos(hWnd, HWND_TOPMOST, x, y, cx, cy, SWP_FRAMECHANGED);

		// set full screen indicator
		g_bFullScreen = TRUE;
		ResizeDisplay();
	}

	void SetPlaying(const char *text)
	{
		char temp[256];
		if (text == 0)
			snprintf(temp, 256, "PPSSPP %s", PPSSPP_GIT_VERSION);
		else
			snprintf(temp, 256, "%s - PPSSPP %s", text, PPSSPP_GIT_VERSION);
		temp[255] = '\0';
		SetWindowText(hwndMain, temp);
	}

	void SaveStateActionFinished(bool result, void *userdata)
	{
		if (!result)
			MessageBox(0, "Savestate failure.  Using savestates between different PPSSPP versions is not supported.", "Sorry", MB_OK);
		SetCursor(LoadCursor(0, IDC_ARROW));
	}

	HINSTANCE GetHInstance()
	{
		return hInst;
	}
}