/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * Windows Client

 *

 * Copyright 2009-2011 Jay Sorg

 * Copyright 2010-2011 Vic Lee

 * Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *	 http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <winpr/windows.h>

#include <winpr/crt.h>

#include <winpr/credui.h>

#include <errno.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <tchar.h>

#include <assert.h>

#include <sys/types.h>

#include <freerdp/log.h>

#include <freerdp/event.h>

#include <freerdp/freerdp.h>

#include <freerdp/constants.h>

#include <freerdp/codec/region.h>

#include <freerdp/client/cmdline.h>

#include <freerdp/client/channels.h>

#include <freerdp/channels/channels.h>

#include "wf_gdi.h"

#include "wf_rail.h"

#include "wf_channels.h"

#include "wf_graphics.h"

#include "wf_cliprdr.h"

#include "wf_client.h"

#include "resource.h"

#define TAG CLIENT_TAG("windows")

static BOOL wf_create_console(void)

{

#if defined(WITH_WIN_CONSOLE)

	if (!AttachConsole(ATTACH_PARENT_PROCESS))

		return FALSE;

	freopen("CONOUT$", "w", stdout);

	freopen("CONOUT$", "w", stderr);

	clearerr(stdout);

	clearerr(stderr);

	fflush(stdout);

	fflush(stderr);

	freopen("CONIN$", "r", stdin);

	clearerr(stdin);

	WLog_INFO(TAG, "Debug console created.");

	return TRUE;

#else

	return FALSE;

#endif

}

static BOOL wf_end_paint(rdpContext* context)

{

	int i;

	rdpGdi* gdi;

	int ninvalid;

	RECT updateRect;

	HGDI_RGN cinvalid;

	REGION16 invalidRegion;

	RECTANGLE_16 invalidRect;

	const RECTANGLE_16* extents;

	wfContext* wfc = (wfContext*)context;

	gdi = context->gdi;

	ninvalid = gdi->primary->hdc->hwnd->ninvalid;

	cinvalid = gdi->primary->hdc->hwnd->cinvalid;

	if (ninvalid < 1)

		return TRUE;

	region16_init(&invalidRegion);

	for (i = 0; i < ninvalid; i++)

	{

		invalidRect.left = cinvalid[i].x;

		invalidRect.top = cinvalid[i].y;

		invalidRect.right = cinvalid[i].x + cinvalid[i].w;

		invalidRect.bottom = cinvalid[i].y + cinvalid[i].h;

		region16_union_rect(&invalidRegion, &invalidRegion, &invalidRect);

	}

	if (!region16_is_empty(&invalidRegion))

	{

		extents = region16_extents(&invalidRegion);

		updateRect.left = extents->left;

		updateRect.top = extents->top;

		updateRect.right = extents->right;

		updateRect.bottom = extents->bottom;

		InvalidateRect(wfc->hwnd, &updateRect, FALSE);

		if (wfc->rail)

			wf_rail_invalidate_region(wfc, &invalidRegion);

	}

	region16_uninit(&invalidRegion);

	return TRUE;

}

static BOOL wf_begin_paint(rdpContext* context)

{

	HGDI_DC hdc;

	if (!context || !context->gdi || !context->gdi->primary || !context->gdi->primary->hdc)

		return FALSE;

	hdc = context->gdi->primary->hdc;

	if (!hdc || !hdc->hwnd || !hdc->hwnd->invalid)

		return FALSE;

	hdc->hwnd->invalid->null = TRUE;

	hdc->hwnd->ninvalid = 0;

	return TRUE;

}

static BOOL wf_desktop_resize(rdpContext* context)

{

	BOOL same;

	RECT rect;

	rdpSettings* settings;

	wfContext* wfc = (wfContext*)context;

	if (!context || !context->settings)

		return FALSE;

	settings = context->settings;

	if (wfc->primary)

	{

		same = (wfc->primary == wfc->drawing) ? TRUE : FALSE;

		wf_image_free(wfc->primary);

		wfc->primary = wf_image_new(wfc, settings->DesktopWidth, settings->DesktopHeight,

		                            context->gdi->dstFormat, NULL);

	}

	if (!gdi_resize_ex(context->gdi, settings->DesktopWidth, settings->DesktopHeight, 0,

	                   context->gdi->dstFormat, wfc->primary->pdata, NULL))

		return FALSE;

	if (same)

		wfc->drawing = wfc->primary;

	if (wfc->fullscreen != TRUE)

	{

		if (wfc->hwnd)

			SetWindowPos(wfc->hwnd, HWND_TOP, -1, -1, settings->DesktopWidth + wfc->diff.x,

			             settings->DesktopHeight + wfc->diff.y, SWP_NOMOVE);

	}

	else

	{

		wf_update_offset(wfc);

		GetWindowRect(wfc->hwnd, &rect);

		InvalidateRect(wfc->hwnd, &rect, TRUE);

	}

	return TRUE;

}

static BOOL wf_pre_connect(freerdp* instance)

{

	wfContext* wfc;

	int desktopWidth;

	int desktopHeight;

	rdpContext* context;

	rdpSettings* settings;

	if (!instance || !instance->context || !instance->settings)

		return FALSE;

	context = instance->context;

	wfc = (wfContext*)instance->context;

	settings = instance->settings;

	settings->OsMajorType = OSMAJORTYPE_WINDOWS;

	settings->OsMinorType = OSMINORTYPE_WINDOWS_NT;

	wfc->fullscreen = settings->Fullscreen;

	wfc->fullscreen_toggle = settings->ToggleFullscreen;

	desktopWidth = settings->DesktopWidth;

	desktopHeight = settings->DesktopHeight;

	if (wfc->percentscreen > 0)

	{

		desktopWidth = (GetSystemMetrics(SM_CXSCREEN) * wfc->percentscreen) / 100;

		settings->DesktopWidth = desktopWidth;

		desktopHeight = (GetSystemMetrics(SM_CYSCREEN) * wfc->percentscreen) / 100;

		settings->DesktopHeight = desktopHeight;

	}

	if (wfc->fullscreen)

	{

		if (settings->UseMultimon)

		{

			desktopWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN);

			desktopHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN);

		}

		else

		{

			desktopWidth = GetSystemMetrics(SM_CXSCREEN);

			desktopHeight = GetSystemMetrics(SM_CYSCREEN);

		}

	}

	/* FIXME: desktopWidth has a limitation that it should be divisible by 4,

	 *        otherwise the screen will crash when connecting to an XP desktop.*/

	desktopWidth = (desktopWidth + 3) & (~3);

	if (desktopWidth != settings->DesktopWidth)

	{

		freerdp_set_param_uint32(settings, FreeRDP_DesktopWidth, desktopWidth);

	}

	if (desktopHeight != settings->DesktopHeight)

	{

		freerdp_set_param_uint32(settings, FreeRDP_DesktopHeight, desktopHeight);

	}

	if ((settings->DesktopWidth < 64) || (settings->DesktopHeight < 64) ||

	    (settings->DesktopWidth > 4096) || (settings->DesktopHeight > 4096))

	{

		WLog_ERR(TAG, "invalid dimensions %lu %lu", settings->DesktopWidth,

		         settings->DesktopHeight);

		return FALSE;

	}

	if (!freerdp_client_load_addins(context->channels, instance->settings))

		return -1;

	freerdp_set_param_uint32(settings, FreeRDP_KeyboardLayout,

	                         (int)GetKeyboardLayout(0) & 0x0000FFFF);

	PubSub_SubscribeChannelConnected(instance->context->pubSub, wf_OnChannelConnectedEventHandler);

	PubSub_SubscribeChannelDisconnected(instance->context->pubSub,

	                                    wf_OnChannelDisconnectedEventHandler);

	return TRUE;

}

static void wf_add_system_menu(wfContext* wfc)

{

	HMENU hMenu;

	MENUITEMINFO item_info;

	if (wfc->fullscreen && !wfc->fullscreen_toggle)

	{

		return;

	}

	hMenu = GetSystemMenu(wfc->hwnd, FALSE);

	ZeroMemory(&item_info, sizeof(MENUITEMINFO));

	item_info.fMask = MIIM_CHECKMARKS | MIIM_FTYPE | MIIM_ID | MIIM_STRING | MIIM_DATA;

	item_info.cbSize = sizeof(MENUITEMINFO);

	item_info.wID = SYSCOMMAND_ID_SMARTSIZING;

	item_info.fType = MFT_STRING;

	item_info.dwTypeData = _wcsdup(_T("Smart sizing"));

	item_info.cch = (UINT)_wcslen(_T("Smart sizing"));

	item_info.dwItemData = (ULONG_PTR)wfc;

	InsertMenuItem(hMenu, 6, TRUE, &item_info);

	if (wfc->context.settings->SmartSizing)

	{

		CheckMenuItem(hMenu, SYSCOMMAND_ID_SMARTSIZING, MF_CHECKED);

	}

}

static WCHAR* wf_window_get_title(rdpSettings* settings)

{

	BOOL port;

	WCHAR* windowTitle = NULL;

	size_t size;

	char* name;

	WCHAR prefix[] = L"FreeRDP:";

	if (!settings)

		return NULL;

	name = settings->ServerHostname;

	if (settings->WindowTitle)

	{

		ConvertToUnicode(CP_UTF8, 0, settings->WindowTitle, -1, &windowTitle, 0);

		return windowTitle;

	}

	port = (settings->ServerPort != 3389);

	size = strlen(name) + 16 + wcslen(prefix);

	windowTitle = calloc(size, sizeof(WCHAR));

	if (!windowTitle)

		return NULL;

	if (!port)

		_snwprintf_s(windowTitle, size, _TRUNCATE, L"%s %S", prefix, name);

	else

		_snwprintf_s(windowTitle, size, _TRUNCATE, L"%s %S:%u", prefix, name, settings->ServerPort);

	return windowTitle;

}

static BOOL wf_post_connect(freerdp* instance)

{

	rdpGdi* gdi;

	DWORD dwStyle;

	rdpCache* cache;

	wfContext* wfc;

	rdpContext* context;

	rdpSettings* settings;

	EmbedWindowEventArgs e;

	const UINT32 format = PIXEL_FORMAT_BGRX32;

	settings = instance->settings;

	context = instance->context;

	wfc = (wfContext*)instance->context;

	cache = instance->context->cache;

	wfc->primary = wf_image_new(wfc, settings->DesktopWidth, settings->DesktopHeight, format, NULL);

	if (!gdi_init_ex(instance, format, 0, wfc->primary->pdata, NULL))

		return FALSE;

	gdi = instance->context->gdi;

	if (!settings->SoftwareGdi)

	{

		wf_gdi_register_update_callbacks(instance->update);

	}

	wfc->window_title = wf_window_get_title(settings);

	if (!wfc->window_title)

		return FALSE;

	if (settings->EmbeddedWindow)

		settings->Decorations = FALSE;

	if (wfc->fullscreen)

		dwStyle = WS_POPUP;

	else if (!settings->Decorations)

		dwStyle = WS_CHILD | WS_BORDER;

	else

		dwStyle =

		    WS_CAPTION | WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX | WS_SIZEBOX | WS_MAXIMIZEBOX;

	if (!wfc->hwnd)

	{

		wfc->hwnd = CreateWindowEx((DWORD)NULL, wfc->wndClassName, wfc->window_title, dwStyle, 0, 0,

		                           0, 0, wfc->hWndParent, NULL, wfc->hInstance, NULL);

		SetWindowLongPtr(wfc->hwnd, GWLP_USERDATA, (LONG_PTR)wfc);

	}

	wf_resize_window(wfc);

	wf_add_system_menu(wfc);

	BitBlt(wfc->primary->hdc, 0, 0, settings->DesktopWidth, settings->DesktopHeight, NULL, 0, 0,

	       BLACKNESS);

	wfc->drawing = wfc->primary;

	EventArgsInit(&e, "wfreerdp");

	e.embed = FALSE;

	e.handle = (void*)wfc->hwnd;

	PubSub_OnEmbedWindow(context->pubSub, context, &e);

	ShowWindow(wfc->hwnd, SW_SHOWNORMAL);

	UpdateWindow(wfc->hwnd);

	instance->update->BeginPaint = wf_begin_paint;

	instance->update->DesktopResize = wf_desktop_resize;

	instance->update->EndPaint = wf_end_paint;

	wf_register_pointer(context->graphics);

	if (!settings->SoftwareGdi)

	{

		wf_register_graphics(context->graphics);

		wf_gdi_register_update_callbacks(instance->update);

		brush_cache_register_callbacks(instance->update);

		glyph_cache_register_callbacks(instance->update);

		bitmap_cache_register_callbacks(instance->update);

		offscreen_cache_register_callbacks(instance->update);

		palette_cache_register_callbacks(instance->update);

	}

	wfc->floatbar = wf_floatbar_new(wfc, wfc->hInstance, settings->Floatbar);

	return TRUE;

}

static void wf_post_disconnect(freerdp* instance)

{

	wfContext* wfc;

	if (!instance || !instance->context || !instance->settings)

		return;

	wfc = (wfContext*)instance->context;

	free(wfc->window_title);

}

static CREDUI_INFOA wfUiInfo = { sizeof(CREDUI_INFOA), NULL, "Enter your credentials",

	                             "Remote Desktop Security", NULL };

static BOOL wf_authenticate_raw(freerdp* instance, const char* title, char** username,

                                char** password, char** domain)

{

	wfContext* wfc;

	BOOL fSave;

	DWORD status;

	DWORD dwFlags;

	char UserName[CREDUI_MAX_USERNAME_LENGTH + 1] = { 0 };

	char Password[CREDUI_MAX_PASSWORD_LENGTH + 1] = { 0 };

	char User[CREDUI_MAX_USERNAME_LENGTH + 1] = { 0 };

	char Domain[CREDUI_MAX_DOMAIN_TARGET_LENGTH + 1] = { 0 };

	if (!instance || !instance->context)

		return FALSE;

	wfc = (wfContext*)instance->context;

	fSave = FALSE;

	dwFlags = CREDUI_FLAGS_DO_NOT_PERSIST | CREDUI_FLAGS_EXCLUDE_CERTIFICATES;

	if (username && *username)

		strncpy(UserName, *username, CREDUI_MAX_USERNAME_LENGTH);

	if (wfc->isConsole)

		status = CredUICmdLinePromptForCredentialsA(

		    title, NULL, 0, UserName, CREDUI_MAX_USERNAME_LENGTH + 1, Password,

		    CREDUI_MAX_PASSWORD_LENGTH + 1, &fSave, dwFlags);

	else

		status = CredUIPromptForCredentialsA(&wfUiInfo, title, NULL, 0, UserName,

		                                     CREDUI_MAX_USERNAME_LENGTH + 1, Password,

		                                     CREDUI_MAX_PASSWORD_LENGTH + 1, &fSave, dwFlags);

	if (status != NO_ERROR)

	{

		WLog_ERR(TAG, "CredUIPromptForCredentials unexpected status: 0x%08lX", status);

		return FALSE;

	}

	status = CredUIParseUserNameA(UserName, User, sizeof(User), Domain, sizeof(Domain));

	// WLog_ERR(TAG, "User: %s Domain: %s Password: %s", User, Domain, Password);

	*username = _strdup(User);

	if (!(*username))

	{

		WLog_ERR(TAG, "strdup failed", status);

		return FALSE;

	}

	if (strlen(Domain) > 0)

		*domain = _strdup(Domain);

	else

		*domain = _strdup("\0");

	if (!(*domain))

	{

		free(*username);

		WLog_ERR(TAG, "strdup failed", status);

		return FALSE;

	}

	*password = _strdup(Password);

	if (!(*password))

	{

		free(*username);

		free(*domain);

		return FALSE;

	}

	return TRUE;

}

static BOOL wf_authenticate(freerdp* instance, char** username, char** password, char** domain)

{

	return wf_authenticate_raw(instance, instance->settings->ServerHostname, username, password,

	                           domain);

}

static BOOL wf_gw_authenticate(freerdp* instance, char** username, char** password, char** domain)

{

	char tmp[MAX_PATH];

	sprintf_s(tmp, sizeof(tmp), "Gateway %s", instance->settings->GatewayHostname);

	return wf_authenticate_raw(instance, tmp, username, password, domain);

}

static WCHAR* wf_format_text(const WCHAR* fmt, ...)

{

	int rc;

	size_t size = 1024;

	WCHAR* buffer = calloc(size, sizeof(WCHAR));

	if (!buffer)

		return NULL;

	do

	{

		WCHAR* tmp;

		va_list ap;

		va_start(ap, fmt);

		rc = vswprintf_s(buffer, size, fmt, ap);

		va_end(ap);

		if (rc <= 0)

			goto fail;

		if ((size_t)rc < size)

			return buffer;

		size = (size_t)rc + 1;

		tmp = realloc(buffer, size * sizeof(WCHAR));

		if (!tmp)

			goto fail;

		buffer = tmp;

	} while (TRUE);

fail:

	free(buffer);

	return NULL;

}

static DWORD wf_verify_certificate_ex(freerdp* instance, const char* host, UINT16 port,

                                      const char* common_name, const char* subject,

                                      const char* issuer, const char* fingerprint, DWORD flags)

{

	WCHAR* buffer;

	WCHAR* caption;

	int what = IDCANCEL;

	buffer = wf_format_text(

	    L"Certificate details:\n"

	    L"\tCommonName: %S\n"

	    L"\tSubject: %S\n"

	    L"\tIssuer: %S\n"

	    L"\tThumbprint: %S\n"

	    L"\tHostMismatch: %S\n"

	    L"\n"

	    L"The above X.509 certificate could not be verified, possibly because you do not have "

	    L"the CA certificate in your certificate store, or the certificate has expired. "

	    L"Please look at the OpenSSL documentation on how to add a private CA to the store.\n"

	    L"\n"

	    L"YES\tAccept permanently\n"

	    L"NO\tAccept for this session only\n"

	    L"CANCEL\tAbort connection\n",

	    common_name, subject, issuer, fingerprint,

	    flags & VERIFY_CERT_FLAG_MISMATCH ? "Yes" : "No");

	caption = wf_format_text(L"Verify certificate for %S:%hu", host, port);

	if (!buffer || !caption)

		goto fail;

	what = MessageBoxW(NULL, buffer, caption, MB_YESNOCANCEL);

fail:

	free(buffer);

	free(caption);

	/* return 1 to accept and store a certificate, 2 to accept

	 * a certificate only for this session, 0 otherwise */

	switch (what)

	{

		case IDYES:

			return 1;

		case IDNO:

			return 2;

		default:

			return 0;

	}

}

static DWORD wf_verify_changed_certificate_ex(freerdp* instance, const char* host, UINT16 port,

                                              const char* common_name, const char* subject,

                                              const char* issuer, const char* new_fingerprint,

                                              const char* old_subject, const char* old_issuer,

                                              const char* old_fingerprint, DWORD flags)

{

	WCHAR* buffer;

	WCHAR* caption;

	int what = IDCANCEL;

	buffer = wf_format_text(

	    L"New Certificate details:\n"

	    L"\tCommonName: %S\n"

	    L"\tSubject: %S\n"

	    L"\tIssuer: %S\n"

	    L"\tThumbprint: %S\n"

	    L"\tHostMismatch: %S\n"

	    L"\n"

	    L"Old Certificate details:\n"

	    L"\tSubject: %S\n"

	    L"\tIssuer: %S\n"

	    L"\tThumbprint: %S"

	    L"The above X.509 certificate could not be verified, possibly because you do not have "

	    L"the CA certificate in your certificate store, or the certificate has expired. "

	    L"Please look at the OpenSSL documentation on how to add a private CA to the store.\n"

	    L"\n"

	    L"YES\tAccept permanently\n"

	    L"NO\tAccept for this session only\n"

	    L"CANCEL\tAbort connection\n",

	    common_name, subject, issuer, new_fingerprint,

	    flags & VERIFY_CERT_FLAG_MISMATCH ? "Yes" : "No", old_subject, old_issuer, old_fingerprint);

	caption = wf_format_text(L"Verify certificate change for %S:%hu", host, port);

	if (!buffer || !caption)

		goto fail;

	what = MessageBoxW(NULL, buffer, caption, MB_YESNOCANCEL);

fail:

	free(buffer);

	free(caption);

	/* return 1 to accept and store a certificate, 2 to accept

	 * a certificate only for this session, 0 otherwise */

	switch (what)

	{

		case IDYES:

			return 1;

		case IDNO:

			return 2;

		default:

			return 0;

	}

}

static DWORD WINAPI wf_input_thread(LPVOID arg)

{

	int status;

	wMessage message;

	wMessageQueue* queue;

	freerdp* instance = (freerdp*)arg;

	assert(NULL != instance);

	status = 1;

	queue = freerdp_get_message_queue(instance, FREERDP_INPUT_MESSAGE_QUEUE);

	while (MessageQueue_Wait(queue))

	{

		while (MessageQueue_Peek(queue, &message, TRUE))

		{

			status = freerdp_message_queue_process_message(instance, FREERDP_INPUT_MESSAGE_QUEUE,

			                                               &message);

			if (!status)

				break;

		}

		if (!status)

			break;

	}

	ExitThread(0);

	return 0;

}

static DWORD WINAPI wf_client_thread(LPVOID lpParam)

{

	MSG msg;

	int width;

	int height;

	BOOL msg_ret;

	int quit_msg;

	DWORD nCount;

	DWORD error;

	HANDLE handles[64];

	wfContext* wfc;

	freerdp* instance;

	rdpContext* context;

	rdpChannels* channels;

	rdpSettings* settings;

	BOOL async_input;

	HANDLE input_thread;

	instance = (freerdp*)lpParam;

	context = instance->context;

	wfc = (wfContext*)instance->context;

	if (!freerdp_connect(instance))

		goto end;

	channels = instance->context->channels;

	settings = instance->context->settings;

	async_input = settings->AsyncInput;

	if (async_input)

	{

		if (!(input_thread = CreateThread(NULL, 0, wf_input_thread, instance, 0, NULL)))

		{

			WLog_ERR(TAG, "Failed to create async input thread.");

			goto disconnect;

		}

	}

	while (1)

	{

		nCount = 0;

		if (freerdp_focus_required(instance))

		{

			wf_event_focus_in(wfc);

			wf_event_focus_in(wfc);

		}

		{

			DWORD tmp = freerdp_get_event_handles(context, &handles[nCount], 64 - nCount);

			if (tmp == 0)

			{

				WLog_ERR(TAG, "freerdp_get_event_handles failed");

				break;

			}

			nCount += tmp;

		}

		if (MsgWaitForMultipleObjects(nCount, handles, FALSE, 1000, QS_ALLINPUT) == WAIT_FAILED)

		{

			WLog_ERR(TAG, "wfreerdp_run: WaitForMultipleObjects failed: 0x%08lX", GetLastError());

			break;

		}

		{

			if (!freerdp_check_event_handles(context))

			{

				if (client_auto_reconnect(instance))

					continue;

				WLog_ERR(TAG, "Failed to check FreeRDP file descriptor");

				break;

			}

		}

		if (freerdp_shall_disconnect(instance))

			break;

		quit_msg = FALSE;

		while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))

		{

			msg_ret = GetMessage(&msg, NULL, 0, 0);

			if (instance->settings->EmbeddedWindow)

			{

				if ((msg.message == WM_SETFOCUS) && (msg.lParam == 1))

				{

					PostMessage(wfc->hwnd, WM_SETFOCUS, 0, 0);

				}

				else if ((msg.message == WM_KILLFOCUS) && (msg.lParam == 1))

				{

					PostMessage(wfc->hwnd, WM_KILLFOCUS, 0, 0);

				}

			}

			if (msg.message == WM_SIZE)

			{

				width = LOWORD(msg.lParam);

				height = HIWORD(msg.lParam);

				SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);

			}

			if ((msg_ret == 0) || (msg_ret == -1))

			{

				quit_msg = TRUE;

				break;

			}

			TranslateMessage(&msg;;

			DispatchMessage(&msg;;

		}

		if (quit_msg)

			break;

	}

	/* cleanup */

	if (async_input)

	{

		wMessageQueue* input_queue;

		input_queue = freerdp_get_message_queue(instance, FREERDP_INPUT_MESSAGE_QUEUE);

		if (MessageQueue_PostQuit(input_queue, 0))

			WaitForSingleObject(input_thread, INFINITE);

	}

disconnect:

	freerdp_disconnect(instance);

	if (async_input)

		CloseHandle(input_thread);

end:

	error = freerdp_get_last_error(instance->context);

	WLog_DBG(TAG, "Main thread exited with %" PRIu32, error);

	ExitThread(error);

	return error;

}

static DWORD WINAPI wf_keyboard_thread(LPVOID lpParam)

{

	MSG msg;

	BOOL status;

	wfContext* wfc;

	HHOOK hook_handle;

	wfc = (wfContext*)lpParam;

	assert(NULL != wfc);

	hook_handle = SetWindowsHookEx(WH_KEYBOARD_LL, wf_ll_kbd_proc, wfc->hInstance, 0);

	if (hook_handle)

	{

		while ((status = GetMessage(&msg, NULL, 0, 0)) != 0)

		{

			if (status == -1)

			{

				WLog_ERR(TAG, "keyboard thread error getting message");

				break;

			}

			else

			{

				TranslateMessage(&msg;;

				DispatchMessage(&msg;;

			}

		}

		UnhookWindowsHookEx(hook_handle);

	}

	else

	{

		WLog_ERR(TAG, "failed to install keyboard hook");

	}

	WLog_DBG(TAG, "Keyboard thread exited.");

	ExitThread(0);

	return (DWORD)NULL;

}

static rdpSettings* freerdp_client_get_settings(wfContext* wfc)

{

	return wfc->context.settings;

}

static int freerdp_client_focus_in(wfContext* wfc)

{

	PostThreadMessage(wfc->mainThreadId, WM_SETFOCUS, 0, 1);

	return 0;

}

static int freerdp_client_focus_out(wfContext* wfc)

{

	PostThreadMessage(wfc->mainThreadId, WM_KILLFOCUS, 0, 1);

	return 0;

}

int freerdp_client_set_window_size(wfContext* wfc, int width, int height)

{

	WLog_DBG(TAG, "freerdp_client_set_window_size %d, %d", width, height);

	if ((width != wfc->client_width) || (height != wfc->client_height))

	{

		PostThreadMessage(wfc->mainThreadId, WM_SIZE, SIZE_RESTORED,

		                  ((UINT)height << 16) | (UINT)width);

	}

	return 0;

}

void wf_size_scrollbars(wfContext* wfc, UINT32 client_width, UINT32 client_height)

{