/*

  Simple DirectMedia Layer

  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>

  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.

*/

#include "SDL_config.h"

#if SDL_VIDEO_DRIVER_WINDOWS

#include "SDL_main.h"

#include "SDL_video.h"

#include "SDL_mouse.h"

#include "../SDL_sysvideo.h"

#include "../SDL_pixels_c.h"

#include "SDL_windowsvideo.h"

#include "SDL_windowsframebuffer.h"

#include "SDL_windowsshape.h"

/* Initialization/Query functions */

static int WIN_VideoInit(_THIS);

static void WIN_VideoQuit(_THIS);

/* Windows driver bootstrap functions */

static int

WIN_Available(void)

{

    return (1);

}

static void

WIN_DeleteDevice(SDL_VideoDevice * device)

{

    SDL_VideoData *data = (SDL_VideoData *) device->driverdata;

    SDL_UnregisterApp();

	if (data->userDLL) {

		SDL_UnloadObject(data->userDLL);

	}

    SDL_free(device->driverdata);

    SDL_free(device);

}

static SDL_VideoDevice *

WIN_CreateDevice(int devindex)

{

    SDL_VideoDevice *device;

    SDL_VideoData *data;

    SDL_RegisterApp(NULL, 0, NULL);

    /* Initialize all variables that we clean on shutdown */

    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));

    if (device) {

        data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));

    } else {

        data = NULL;

    }

    if (!data) {

        SDL_OutOfMemory();

        if (device) {

            SDL_free(device);

        }

        return NULL;

    }

    device->driverdata = data;

	data->userDLL = SDL_LoadObject("USER32.DLL");

	if (data->userDLL) {

		data->CloseTouchInputHandle = (BOOL (WINAPI *)( HTOUCHINPUT )) SDL_LoadFunction(data->userDLL, "CloseTouchInputHandle");

		data->GetTouchInputInfo = (BOOL (WINAPI *)( HTOUCHINPUT, UINT, PTOUCHINPUT, int )) SDL_LoadFunction(data->userDLL, "GetTouchInputInfo");

		data->RegisterTouchWindow = (BOOL (WINAPI *)( HWND, ULONG )) SDL_LoadFunction(data->userDLL, "RegisterTouchWindow");

	}

    /* Set the function pointers */

    device->VideoInit = WIN_VideoInit;

    device->VideoQuit = WIN_VideoQuit;

    device->GetDisplayBounds = WIN_GetDisplayBounds;

    device->GetDisplayModes = WIN_GetDisplayModes;

    device->SetDisplayMode = WIN_SetDisplayMode;

    device->PumpEvents = WIN_PumpEvents;

#undef CreateWindow

    device->CreateWindow = WIN_CreateWindow;

    device->CreateWindowFrom = WIN_CreateWindowFrom;

    device->SetWindowTitle = WIN_SetWindowTitle;

    device->SetWindowIcon = WIN_SetWindowIcon;

    device->SetWindowPosition = WIN_SetWindowPosition;

    device->SetWindowSize = WIN_SetWindowSize;

    device->ShowWindow = WIN_ShowWindow;

    device->HideWindow = WIN_HideWindow;

    device->RaiseWindow = WIN_RaiseWindow;

    device->MaximizeWindow = WIN_MaximizeWindow;

    device->MinimizeWindow = WIN_MinimizeWindow;

    device->RestoreWindow = WIN_RestoreWindow;

    device->SetWindowBordered = WIN_SetWindowBordered;

    device->SetWindowFullscreen = WIN_SetWindowFullscreen;

    device->SetWindowGammaRamp = WIN_SetWindowGammaRamp;

    device->GetWindowGammaRamp = WIN_GetWindowGammaRamp;

    device->SetWindowGrab = WIN_SetWindowGrab;

    device->DestroyWindow = WIN_DestroyWindow;

    device->GetWindowWMInfo = WIN_GetWindowWMInfo;

    device->CreateWindowFramebuffer = WIN_CreateWindowFramebuffer;

    device->UpdateWindowFramebuffer = WIN_UpdateWindowFramebuffer;

    device->DestroyWindowFramebuffer = WIN_DestroyWindowFramebuffer;

    device->shape_driver.CreateShaper = Win32_CreateShaper;

    device->shape_driver.SetWindowShape = Win32_SetWindowShape;

    device->shape_driver.ResizeWindowShape = Win32_ResizeWindowShape;

#if SDL_VIDEO_OPENGL_WGL

    device->GL_LoadLibrary = WIN_GL_LoadLibrary;

    device->GL_GetProcAddress = WIN_GL_GetProcAddress;

    device->GL_UnloadLibrary = WIN_GL_UnloadLibrary;

    device->GL_CreateContext = WIN_GL_CreateContext;

    device->GL_MakeCurrent = WIN_GL_MakeCurrent;

    device->GL_SetSwapInterval = WIN_GL_SetSwapInterval;

    device->GL_GetSwapInterval = WIN_GL_GetSwapInterval;

    device->GL_SwapWindow = WIN_GL_SwapWindow;

    device->GL_DeleteContext = WIN_GL_DeleteContext;

#endif

    device->StartTextInput = WIN_StartTextInput;

    device->StopTextInput = WIN_StopTextInput;

    device->SetTextInputRect = WIN_SetTextInputRect;

    device->SetClipboardText = WIN_SetClipboardText;

    device->GetClipboardText = WIN_GetClipboardText;

    device->HasClipboardText = WIN_HasClipboardText;

    device->free = WIN_DeleteDevice;

    return device;

}

VideoBootStrap WINDOWS_bootstrap = {

    "windows", "SDL Windows video driver", WIN_Available, WIN_CreateDevice

};

int

WIN_VideoInit(_THIS)

{

    if (WIN_InitModes(_this) < 0) {

        return -1;

    }

    WIN_InitKeyboard(_this);

    WIN_InitMouse(_this);

    return 0;

}

void

WIN_VideoQuit(_THIS)

{

    WIN_QuitModes(_this);

    WIN_QuitKeyboard(_this);

    WIN_QuitMouse(_this);

}

#endif /* SDL_VIDEO_DRIVER_WINDOWS */

/* vim: set ts=4 sw=4 expandtab: */