C++ SDL_VideoData类代码示例

void WINCE_ShowWindow(_THIS, SDL_Window* window, int visible)
{
    SDL_WindowData* windowdata = (SDL_WindowData*) window->driverdata;
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;

    if(visible) {
        if(window->flags & SDL_WINDOW_FULLSCREEN) {
            if(videodata->SHFullScreen)
                videodata->SHFullScreen(windowdata->hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);

            ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_HIDE);
        }

        ShowWindow(windowdata->hwnd, SW_SHOW);
        SetForegroundWindow(windowdata->hwnd);
    } else {
        ShowWindow(windowdata->hwnd, SW_HIDE);

        if(window->flags & SDL_WINDOW_FULLSCREEN) {
            if(videodata->SHFullScreen)
                videodata->SHFullScreen(windowdata->hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);

            ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_SHOW);

        }
    }
}

void
VIVANTE_DestroyWindow(_THIS, SDL_Window * window)
{
    SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
    SDL_WindowData *data;

    data = window->driverdata;
    if (data) {
#if SDL_VIDEO_OPENGL_EGL
        if (data->egl_surface != EGL_NO_SURFACE) {
            SDL_EGL_DestroySurface(_this, data->egl_surface);
        }
#endif

        if (data->native_window) {
#if SDL_VIDEO_DRIVER_VIVANTE_VDK
            vdkDestroyWindow(data->native_window);
#else
            videodata->fbDestroyWindow(data->native_window);
#endif
        }

        SDL_free(data);
    }
    window->driverdata = NULL;
}

void
WIN_MinimizeWindow(_THIS, SDL_Window * window)
{
    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;

    ShowWindow(hwnd, SW_MINIMIZE);

#ifdef _WIN32_WCE
    if((window->flags & SDL_WINDOW_FULLSCREEN) && videodata->SHFullScreen)
        videodata->SHFullScreen(hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);
#endif
}

static int
VIVANTE_AddVideoDisplays(_THIS)
{
    SDL_VideoData *videodata = _this->driverdata;
    SDL_VideoDisplay display;
    SDL_DisplayMode current_mode;
    SDL_DisplayData *data;
    int pitch = 0, bpp = 0;
    unsigned long pixels = 0;

    data = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
    if (data == NULL) {
        return SDL_OutOfMemory();
    }

    SDL_zero(current_mode);
#if SDL_VIDEO_DRIVER_VIVANTE_VDK
    data->native_display = vdkGetDisplay(videodata->vdk_private);

    vdkGetDisplayInfo(data->native_display, &current_mode.w, &current_mode.h, &pixels, &pitch, &bpp);
#else
    data->native_display = videodata->fbGetDisplayByIndex(0);

    videodata->fbGetDisplayInfo(data->native_display, &current_mode.w, &current_mode.h, &pixels, &pitch, &bpp);
#endif /* SDL_VIDEO_DRIVER_VIVANTE_VDK */

    switch (bpp)
    {
    default: /* Is another format used? */
    case 32:
        current_mode.format = SDL_PIXELFORMAT_ARGB8888;
        break;
    case 16:
        current_mode.format = SDL_PIXELFORMAT_RGB565;
        break;
    }
    /* FIXME: How do we query refresh rate? */
    current_mode.refresh_rate = 60;

    SDL_zero(display);
    display.name = VIVANTE_GetDisplayName(_this);
    display.desktop_mode = current_mode;
    display.current_mode = current_mode;
    display.driverdata = data;
    SDL_AddVideoDisplay(&display);
    return 0;
}

void
WIN_DestroyWindow(_THIS, SDL_Window * window)
{
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;

    if (data) {
        ReleaseDC(data->hwnd, data->hdc);
        if (data->created) {
            if (videodata->wintabDLL) {
                videodata->WTClose(g_hCtx[window->id]);
            }
            DestroyWindow(data->hwnd);
        }
        SDL_free(data);
    }
}

int
VIVANTE_CreateWindow(_THIS, SDL_Window * window)
{
    SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
    SDL_DisplayData *displaydata;
    SDL_WindowData *data;

    displaydata = SDL_GetDisplayDriverData(0);

    /* Allocate window internal data */
    data = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
    if (data == NULL) {
        return SDL_OutOfMemory();
    }

    /* Setup driver data for this window */
    window->driverdata = data;

#if SDL_VIDEO_DRIVER_VIVANTE_VDK
    data->native_window = vdkCreateWindow(displaydata->native_display, window->x, window->y, window->w, window->h);
#else
    data->native_window = videodata->fbCreateWindow(displaydata->native_display, window->x, window->y, window->w, window->h);
#endif
    if (!data->native_window) {
        return SDL_SetError("VIVANTE: Can't create native window");
    }

#if SDL_VIDEO_OPENGL_EGL
    if (window->flags & SDL_WINDOW_OPENGL) {
        data->egl_surface = SDL_EGL_CreateSurface(_this, data->native_window);
        if (data->egl_surface == EGL_NO_SURFACE) {
            return SDL_SetError("VIVANTE: Can't create EGL surface");
        }
    } else {
        data->egl_surface = EGL_NO_SURFACE;
    }
#endif

    /* Window has been successfully created */
    return 0;
}

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_free(device);
        SDL_OutOfMemory();
        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");
        
        // Urho3D: call SetProcessDPIAware if available to prevent Windows 8.1 from performing unwanted scaling
        data->SetProcessDPIAware = (BOOL (WINAPI *)()) SDL_LoadFunction(data->userDLL, "SetProcessDPIAware");
        if (data->SetProcessDPIAware)
            data->SetProcessDPIAware();
    }

    /* 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->OnWindowEnter = WIN_OnWindowEnter;

    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;
}

static int
SetupWindowData(_THIS, SDL_Window * window, HWND hwnd, SDL_bool created)
{
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
    SDL_WindowData *data;

    /* Allocate the window data */
    data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
    if (!data) {
        return SDL_OutOfMemory();
    }
    data->window = window;
    data->hwnd = hwnd;
    data->hdc = GetDC(hwnd);
    data->created = created;
    data->mouse_button_flags = 0;
    data->videodata = videodata;

    window->driverdata = data;

    /* Associate the data with the window */
    if (!SetProp(hwnd, TEXT("SDL_WindowData"), data)) {
        ReleaseDC(hwnd, data->hdc);
        SDL_free(data);
        return WIN_SetError("SetProp() failed");
    }

    /* Set up the window proc function */
#ifdef GWLP_WNDPROC
    data->wndproc = (WNDPROC) GetWindowLongPtr(hwnd, GWLP_WNDPROC);
    if (data->wndproc == WIN_WindowProc) {
        data->wndproc = NULL;
    } else {
        SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR) WIN_WindowProc);
    }
#else
    data->wndproc = (WNDPROC) GetWindowLong(hwnd, GWL_WNDPROC);
    if (data->wndproc == WIN_WindowProc) {
        data->wndproc = NULL;
    } else {
        SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR) WIN_WindowProc);
    }
#endif

    /* Fill in the SDL window with the window data */
    {
        RECT rect;
        if (GetClientRect(hwnd, &rect)) {
            int w = rect.right;
            int h = rect.bottom;
            if ((window->w && window->w != w) || (window->h && window->h != h)) {
                /* We tried to create a window larger than the desktop and Windows didn't allow it.  Override! */
                WIN_SetWindowPositionInternal(_this, window, SWP_NOCOPYBITS | SWP_NOZORDER | SWP_NOACTIVATE);
            } else {
                window->w = w;
                window->h = h;
            }
        }
    }
    {
        POINT point;
        point.x = 0;
        point.y = 0;
        if (ClientToScreen(hwnd, &point)) {
            window->x = point.x;
            window->y = point.y;
        }
    }
    {
        DWORD style = GetWindowLong(hwnd, GWL_STYLE);
        if (style & WS_VISIBLE) {
            window->flags |= SDL_WINDOW_SHOWN;
        } else {
            window->flags &= ~SDL_WINDOW_SHOWN;
        }
        if (style & (WS_BORDER | WS_THICKFRAME)) {
            window->flags &= ~SDL_WINDOW_BORDERLESS;
        } else {
            window->flags |= SDL_WINDOW_BORDERLESS;
        }
        if (style & WS_THICKFRAME) {
            window->flags |= SDL_WINDOW_RESIZABLE;
        } else {
            window->flags &= ~SDL_WINDOW_RESIZABLE;
        }
#ifdef WS_MAXIMIZE
        if (style & WS_MAXIMIZE) {
            window->flags |= SDL_WINDOW_MAXIMIZED;
        } else
#endif
        {
            window->flags &= ~SDL_WINDOW_MAXIMIZED;
        }
#ifdef WS_MINIMIZE
        if (style & WS_MINIMIZE) {
            window->flags |= SDL_WINDOW_MINIMIZED;
        } else
#endif
        {
            window->flags &= ~SDL_WINDOW_MINIMIZED;
//.........这里部分代码省略.........

static int
SetupWindowData(_THIS, SDL_Window * window, HWND hwnd, SDL_bool created)
{
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
    SDL_WindowData *data;

    /* Allocate the window data */
    data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
    if (!data) {
        SDL_OutOfMemory();
        return -1;
    }
    data->window = window;
    data->hwnd = hwnd;
    data->hdc = GetDC(hwnd);
    data->created = created;
    data->mouse_pressed = SDL_FALSE;
    data->videodata = videodata;

    /* Associate the data with the window */
    if (!SetProp(hwnd, TEXT("SDL_WindowData"), data)) {
        ReleaseDC(hwnd, data->hdc);
        SDL_free(data);
        WIN_SetError("SetProp() failed");
        return -1;
    }

    /* Set up the window proc function */
#ifdef GWLP_WNDPROC
    data->wndproc = (WNDPROC) GetWindowLongPtr(hwnd, GWLP_WNDPROC);
    if (data->wndproc == WIN_WindowProc) {
        data->wndproc = NULL;
    } else {
        SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR) WIN_WindowProc);
    }
#else
    data->wndproc = (WNDPROC) GetWindowLong(hwnd, GWL_WNDPROC);
    if (data->wndproc == WIN_WindowProc) {
        data->wndproc = NULL;
    } else {
        SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR) WIN_WindowProc);
    }
#endif

    /* Fill in the SDL window with the window data */
    {
        POINT point;
        point.x = 0;
        point.y = 0;
        if (ClientToScreen(hwnd, &point)) {
            window->x = point.x;
            window->y = point.y;
        }
    }
    {
        RECT rect;
        if (GetClientRect(hwnd, &rect)) {
            window->w = rect.right;
            window->h = rect.bottom;
        }
    }
    {
        DWORD style = GetWindowLong(hwnd, GWL_STYLE);
        if (style & WS_VISIBLE) {
            window->flags |= SDL_WINDOW_SHOWN;
        } else {
            window->flags &= ~SDL_WINDOW_SHOWN;
        }
        if (style & (WS_BORDER | WS_THICKFRAME)) {
            window->flags &= ~SDL_WINDOW_BORDERLESS;
        } else {
            window->flags |= SDL_WINDOW_BORDERLESS;
        }
        if (style & WS_THICKFRAME) {
            window->flags |= SDL_WINDOW_RESIZABLE;
        } else {
            window->flags &= ~SDL_WINDOW_RESIZABLE;
        }
#ifdef WS_MAXIMIZE
        if (style & WS_MAXIMIZE) {
            window->flags |= SDL_WINDOW_MAXIMIZED;
        } else
#endif
        {
            window->flags &= ~SDL_WINDOW_MAXIMIZED;
        }
#ifdef WS_MINIMIZE
        if (style & WS_MINIMIZE) {
            window->flags |= SDL_WINDOW_MINIMIZED;
        } else
#endif
        {
            window->flags &= ~SDL_WINDOW_MINIMIZED;
        }
    }
    if (GetFocus() == hwnd) {
        window->flags |= SDL_WINDOW_INPUT_FOCUS;
        SDL_SetKeyboardFocus(data->window);

//.........这里部分代码省略.........

SDL_bool X11_Vulkan_CreateSurface(_THIS,
                                  SDL_Window *window,
                                  VkInstance instance,
                                  VkSurfaceKHR *surface)
{
    SDL_VideoData *videoData = (SDL_VideoData *)_this->driverdata;
    SDL_WindowData *windowData = (SDL_WindowData *)window->driverdata;
    PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr;
    if(!_this->vulkan_config.loader_handle)
    {
        SDL_SetError("Vulkan is not loaded");
        return SDL_FALSE;
    }
    vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr;
    if(videoData->vulkan_xlib_xcb_library)
    {
        PFN_vkCreateXcbSurfaceKHR vkCreateXcbSurfaceKHR =
            (PFN_vkCreateXcbSurfaceKHR)vkGetInstanceProcAddr((VkInstance)instance,
                                                             "vkCreateXcbSurfaceKHR");
        VkXcbSurfaceCreateInfoKHR createInfo;
        VkResult result;
        if(!vkCreateXcbSurfaceKHR)
        {
            SDL_SetError(VK_KHR_XCB_SURFACE_EXTENSION_NAME
                         " extension is not enabled in the Vulkan instance.");
            return SDL_FALSE;
        }
        SDL_zero(createInfo);
        createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
        createInfo.connection = videoData->vulkan_XGetXCBConnection(videoData->display);
        if(!createInfo.connection)
        {
            SDL_SetError("XGetXCBConnection failed");
            return SDL_FALSE;
        }
        createInfo.window = (xcb_window_t)windowData->xwindow;
        result = vkCreateXcbSurfaceKHR(instance, &createInfo,
                                       NULL, surface);
        if(result != VK_SUCCESS)
        {
            SDL_SetError("vkCreateXcbSurfaceKHR failed: %s", SDL_Vulkan_GetResultString(result));
            return SDL_FALSE;
        }
        return SDL_TRUE;
    }
    else
    {
        PFN_vkCreateXlibSurfaceKHR vkCreateXlibSurfaceKHR =
            (PFN_vkCreateXlibSurfaceKHR)vkGetInstanceProcAddr((VkInstance)instance,
                                                              "vkCreateXlibSurfaceKHR");
        VkXlibSurfaceCreateInfoKHR createInfo;
        VkResult result;
        if(!vkCreateXlibSurfaceKHR)
        {
            SDL_SetError(VK_KHR_XLIB_SURFACE_EXTENSION_NAME
                         " extension is not enabled in the Vulkan instance.");
            return SDL_FALSE;
        }
        SDL_zero(createInfo);
        createInfo.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
        createInfo.dpy = videoData->display;
        createInfo.window = (xcb_window_t)windowData->xwindow;
        result = vkCreateXlibSurfaceKHR(instance, &createInfo,
                                        NULL, surface);
        if(result != VK_SUCCESS)
        {
            SDL_SetError("vkCreateXlibSurfaceKHR failed: %s", SDL_Vulkan_GetResultString(result));
            return SDL_FALSE;
        }
        return SDL_TRUE;
    }
}

void
WIN_InitMouse(_THIS)
{
    int index = 0;
    RAWINPUTDEVICELIST *deviceList = NULL;
    int devCount = 0;
    int i;
    int tmp = 0;
    char *buffer = NULL;
    char *tab = "wacom";        /* since windows does't give us handles to tablets, we have to detect a tablet by it's name */
    const char *rdp = "rdp_mou";
    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;

/* WinCE has no RawInputDeviceList */
#ifdef _WIN32_WCE
    SDL_Mouse mouse;
    SDL_zero(mouse);
    mouse.id = 0;
    SDL_AddMouse(&mouse, "Stylus", 0, 0, 1);
#else
    /* we're checking for the number of rawinput devices */
    if (GetRawInputDeviceList(NULL, &devCount, sizeof(RAWINPUTDEVICELIST))) {
        return;
    }

    deviceList = SDL_malloc(sizeof(RAWINPUTDEVICELIST) * devCount);

    /* we're getting the raw input device list */
    GetRawInputDeviceList(deviceList, &devCount, sizeof(RAWINPUTDEVICELIST));
    mice = SDL_malloc(devCount * sizeof(HANDLE));

    /* we're getting the details of the devices */
    for (i = 0; i < devCount; ++i) {
        int is_rdp = 0;
        int j;
        int k;
        char *default_device_name = "Pointing device xx";
        const char *reg_key_root = "System\\CurrentControlSet\\Enum\\";
        char *device_name = SDL_malloc(256 * sizeof(char));
        char *key_name = NULL;
        char *tmp_name = NULL;
        LONG rc = 0;
        HKEY hkey;
        DWORD regtype = REG_SZ;
        DWORD out = 256 * sizeof(char);
        SDL_Mouse mouse;
        int l;
        if (deviceList[i].dwType != RIM_TYPEMOUSE) {    /* if a device isn't a mouse type we don't want it */
            continue;
        }
        if (GetRawInputDeviceInfoA
            (deviceList[i].hDevice, RIDI_DEVICENAME, NULL, &tmp) < 0) {
            continue;
        }
        buffer = SDL_malloc((tmp + 1) * sizeof(char));
        key_name =
            SDL_malloc((tmp + SDL_strlen(reg_key_root) + 1) * sizeof(char));

        /* we're getting the device registry path and polishing it to get it's name,
           surely there must be an easier way, but we haven't found it yet */
        if (GetRawInputDeviceInfoA
            (deviceList[i].hDevice, RIDI_DEVICENAME, buffer, &tmp) < 0) {
            continue;
        }
        buffer += 4;
        tmp -= 4;
        tmp_name = buffer;
        for (j = 0; j < tmp; ++j) {
            if (*tmp_name == '#') {
                *tmp_name = '\\';
            }

            else if (*tmp_name == '{') {
                break;
            }
            ++tmp_name;
        }
        *tmp_name = '\0';
        SDL_memcpy(key_name, reg_key_root, SDL_strlen(reg_key_root));
        SDL_memcpy(key_name + (SDL_strlen(reg_key_root)), buffer, j + 1);
        l = SDL_strlen(key_name);
        is_rdp = 0;
        if (l >= 7) {
            for (j = 0; j < l - 7; ++j) {
                for (k = 0; k < 7; ++k) {
                    if (rdp[k] !=
                        SDL_tolower((unsigned char) key_name[j + k])) {
                        break;
                    }
                }
                if (k == 7) {
                    is_rdp = 1;
                    break;
                }
            }
        }

        buffer -= 4;

        if (is_rdp == 1) {
//.........这里部分代码省略.........

int
WIN_CreateWindow(_THIS, SDL_Window * window)
{
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
    RAWINPUTDEVICE Rid;
    AXIS TabX, TabY;
    LOGCONTEXTA lc;
    HWND hwnd;
    HWND top;
    RECT rect;
    SDL_Rect bounds;
    DWORD style = (WS_CLIPSIBLINGS | WS_CLIPCHILDREN);
    int x, y;
    int w, h;

    if (window->flags & (SDL_WINDOW_BORDERLESS | SDL_WINDOW_FULLSCREEN)) {
        style |= WS_POPUP;
    } else {
        style |= (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX);
    }
    if ((window->flags & SDL_WINDOW_RESIZABLE)
        && !(window->flags & SDL_WINDOW_FULLSCREEN)) {
        style |= (WS_THICKFRAME | WS_MAXIMIZEBOX);
    }

    /* Figure out what the window area will be */
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
        top = HWND_TOPMOST;
    } else {
        top = HWND_NOTOPMOST;
    }
    rect.left = 0;
    rect.top = 0;
    rect.right = window->w;
    rect.bottom = window->h;
    AdjustWindowRectEx(&rect, style, FALSE, 0);
    w = (rect.right - rect.left);
    h = (rect.bottom - rect.top);

    WIN_GetDisplayBounds(_this, display, &bounds);
    if ((window->flags & SDL_WINDOW_FULLSCREEN)
        || window->x == SDL_WINDOWPOS_CENTERED) {
        x = bounds.x + (bounds.w - window->w) / 2;
    } else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
        if (bounds.x == 0) {
            x = CW_USEDEFAULT;
        } else {
            x = bounds.x;
        }
    } else {
        x = bounds.x + window->x + rect.left;
    }
    if ((window->flags & SDL_WINDOW_FULLSCREEN)
        || window->y == SDL_WINDOWPOS_CENTERED) {
        y = bounds.y + (bounds.h - window->h) / 2;
    } else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
        if (bounds.x == 0) {
            y = CW_USEDEFAULT;
        } else {
            y = bounds.y;
        }
    } else {
        y = bounds.y + window->y + rect.top;
    }

    hwnd =
        CreateWindow(SDL_Appname, TEXT(""), style, x, y, w, h, NULL, NULL,
                     SDL_Instance, NULL);
    if (!hwnd) {
        WIN_SetError("Couldn't create window");
        return -1;
    }

    /* we're configuring the tablet data. See Wintab reference for more info */
    if (videodata->wintabDLL
        && videodata->WTInfoA(WTI_DEFSYSCTX, 0, &lc) != 0) {
        lc.lcPktData = PACKETDATA;
        lc.lcPktMode = PACKETMODE;
        lc.lcOptions |= CXO_MESSAGES;
        lc.lcOptions |= CXO_SYSTEM;
        lc.lcMoveMask = PACKETDATA;
        lc.lcBtnDnMask = lc.lcBtnUpMask = PACKETDATA;
        videodata->WTInfoA(WTI_DEVICES, DVC_X, &TabX);
        videodata->WTInfoA(WTI_DEVICES, DVC_Y, &TabY);
        lc.lcInOrgX = 0;
        lc.lcInOrgY = 0;
        lc.lcInExtX = TabX.axMax;
        lc.lcInExtY = TabY.axMax;
        lc.lcOutOrgX = 0;
        lc.lcOutOrgY = 0;
        lc.lcOutExtX = GetSystemMetrics(SM_CXSCREEN);
        lc.lcOutExtY = -GetSystemMetrics(SM_CYSCREEN);
        if (window->id > highestId) {
            HCTX *tmp_hctx;
            highestId = window->id;
            tmp_hctx =
                (HCTX *) SDL_realloc(g_hCtx, (highestId + 1) * sizeof(HCTX));
            if (!tmp_hctx) {
                SDL_OutOfMemory();
//.........这里部分代码省略.........