f8120919af
Based on PR #2616
593 lines
17 KiB
C
593 lines
17 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Windowing Alternate Secondary Orders
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2011 Roman Barabanov <romanbarabanov@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <winpr/crt.h>
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#include <freerdp/log.h>
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#include "window.h"
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#define TAG FREERDP_TAG("core.window")
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BOOL rail_read_unicode_string(wStream* s, RAIL_UNICODE_STRING* unicode_string)
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{
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UINT16 new_len;
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BYTE *new_str;
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if (Stream_GetRemainingLength(s) < 2)
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return FALSE;
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Stream_Read_UINT16(s, new_len); /* cbString (2 bytes) */
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if (Stream_GetRemainingLength(s) < new_len)
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return FALSE;
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if (!new_len)
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{
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free(unicode_string->string);
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unicode_string->string = NULL;
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unicode_string->length = 0;
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return TRUE;
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}
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new_str = (BYTE*) realloc(unicode_string->string, new_len);
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if (!new_str)
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{
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free (unicode_string->string);
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unicode_string->string = NULL;
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return FALSE;
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}
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unicode_string->string = new_str;
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unicode_string->length = new_len;
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Stream_Read(s, unicode_string->string, unicode_string->length);
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return TRUE;
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}
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BOOL update_read_icon_info(wStream* s, ICON_INFO* iconInfo)
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{
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BYTE* newBitMask;
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if (Stream_GetRemainingLength(s) < 8)
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return FALSE;
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Stream_Read_UINT16(s, iconInfo->cacheEntry); /* cacheEntry (2 bytes) */
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Stream_Read_UINT8(s, iconInfo->cacheId); /* cacheId (1 byte) */
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Stream_Read_UINT8(s, iconInfo->bpp); /* bpp (1 byte) */
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if ((iconInfo->bpp < 1) || (iconInfo->bpp > 32))
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{
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WLog_ERR(TAG, "invalid bpp value %d", iconInfo->bpp);
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return FALSE;
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}
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Stream_Read_UINT16(s, iconInfo->width); /* width (2 bytes) */
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Stream_Read_UINT16(s, iconInfo->height); /* height (2 bytes) */
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/* cbColorTable is only present when bpp is 1, 2 or 4 */
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if (iconInfo->bpp == 1 || iconInfo->bpp == 2 || iconInfo->bpp == 4)
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{
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if (Stream_GetRemainingLength(s) < 2)
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return FALSE;
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Stream_Read_UINT16(s, iconInfo->cbColorTable); /* cbColorTable (2 bytes) */
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}
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else
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{
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iconInfo->cbColorTable = 0;
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}
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT16(s, iconInfo->cbBitsMask); /* cbBitsMask (2 bytes) */
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Stream_Read_UINT16(s, iconInfo->cbBitsColor); /* cbBitsColor (2 bytes) */
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if (Stream_GetRemainingLength(s) < iconInfo->cbBitsMask + iconInfo->cbBitsColor)
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return FALSE;
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/* bitsMask */
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newBitMask = (BYTE*) realloc(iconInfo->bitsMask, iconInfo->cbBitsMask);
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if (!newBitMask)
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{
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free (iconInfo->bitsMask);
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iconInfo->bitsMask = NULL;
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return FALSE;
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}
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iconInfo->bitsMask = newBitMask;
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Stream_Read(s, iconInfo->bitsMask, iconInfo->cbBitsMask);
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/* colorTable */
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if (iconInfo->colorTable == NULL)
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{
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if (iconInfo->cbColorTable)
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iconInfo->colorTable = (BYTE*) malloc(iconInfo->cbColorTable);
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}
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else if (iconInfo->cbColorTable)
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{
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BYTE *new_tab;
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new_tab = (BYTE*) realloc(iconInfo->colorTable, iconInfo->cbColorTable);
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if (!new_tab)
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{
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free (iconInfo->colorTable);
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iconInfo->colorTable = NULL;
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return FALSE;
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}
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iconInfo->colorTable = new_tab;
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}
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else
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{
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free(iconInfo->colorTable);
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iconInfo->colorTable = NULL;
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}
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if (iconInfo->colorTable)
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Stream_Read(s, iconInfo->colorTable, iconInfo->cbColorTable);
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/* bitsColor */
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newBitMask = (BYTE *)realloc(iconInfo->bitsColor, iconInfo->cbBitsColor);
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if (!newBitMask)
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{
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free (iconInfo->bitsColor);
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iconInfo->bitsColor = NULL;
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return FALSE;
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}
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iconInfo->bitsColor = newBitMask;
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Stream_Read(s, iconInfo->bitsColor, iconInfo->cbBitsColor);
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return TRUE;
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}
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BOOL update_read_cached_icon_info(wStream* s, CACHED_ICON_INFO* cachedIconInfo)
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{
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if (Stream_GetRemainingLength(s) < 3)
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return FALSE;
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Stream_Read_UINT16(s, cachedIconInfo->cacheEntry); /* cacheEntry (2 bytes) */
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Stream_Read_UINT8(s, cachedIconInfo->cacheId); /* cacheId (1 byte) */
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return TRUE;
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}
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BOOL update_read_notify_icon_infotip(wStream* s, NOTIFY_ICON_INFOTIP* notifyIconInfoTip)
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{
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if (Stream_GetRemainingLength(s) < 8)
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return FALSE;
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Stream_Read_UINT32(s, notifyIconInfoTip->timeout); /* timeout (4 bytes) */
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Stream_Read_UINT32(s, notifyIconInfoTip->flags); /* infoFlags (4 bytes) */
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return rail_read_unicode_string(s, ¬ifyIconInfoTip->text) && /* infoTipText */
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rail_read_unicode_string(s, ¬ifyIconInfoTip->title); /* title */
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}
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BOOL update_read_window_state_order(wStream* s, WINDOW_ORDER_INFO* orderInfo, WINDOW_STATE_ORDER* windowState)
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{
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int i;
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int size;
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_OWNER)
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{
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT32(s, windowState->ownerWindowId); /* ownerWindowId (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_STYLE)
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{
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if (Stream_GetRemainingLength(s) < 8)
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return FALSE;
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Stream_Read_UINT32(s, windowState->style); /* style (4 bytes) */
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Stream_Read_UINT32(s, windowState->extendedStyle); /* extendedStyle (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_SHOW)
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{
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if (Stream_GetRemainingLength(s) < 1)
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return FALSE;
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Stream_Read_UINT8(s, windowState->showState); /* showState (1 byte) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_TITLE)
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{
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if (!rail_read_unicode_string(s, &windowState->titleInfo)) /* titleInfo */
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return FALSE;
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET)
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{
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT32(s, windowState->clientOffsetX); /* clientOffsetX (4 bytes) */
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Stream_Read_UINT32(s, windowState->clientOffsetY); /* clientOffsetY (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE)
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{
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT32(s, windowState->clientAreaWidth); /* clientAreaWidth (4 bytes) */
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Stream_Read_UINT32(s, windowState->clientAreaHeight); /* clientAreaHeight (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RP_CONTENT)
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{
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if (Stream_GetRemainingLength(s) < 1)
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return FALSE;
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Stream_Read_UINT8(s, windowState->RPContent); /* RPContent (1 byte) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_ROOT_PARENT)
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{
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT32(s, windowState->rootParentHandle);/* rootParentHandle (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET)
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{
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if (Stream_GetRemainingLength(s) < 8)
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return FALSE;
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Stream_Read_UINT32(s, windowState->windowOffsetX); /* windowOffsetX (4 bytes) */
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Stream_Read_UINT32(s, windowState->windowOffsetY); /* windowOffsetY (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA)
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{
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if (Stream_GetRemainingLength(s) < 8)
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return FALSE;
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Stream_Read_UINT32(s, windowState->windowClientDeltaX); /* windowClientDeltaX (4 bytes) */
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Stream_Read_UINT32(s, windowState->windowClientDeltaY); /* windowClientDeltaY (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE)
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{
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if (Stream_GetRemainingLength(s) < 8)
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return FALSE;
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Stream_Read_UINT32(s, windowState->windowWidth); /* windowWidth (4 bytes) */
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Stream_Read_UINT32(s, windowState->windowHeight); /* windowHeight (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_RECTS)
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{
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if (Stream_GetRemainingLength(s) < 2)
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return FALSE;
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Stream_Read_UINT16(s, windowState->numWindowRects); /* numWindowRects (2 bytes) */
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size = sizeof(RECTANGLE_16) * windowState->numWindowRects;
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windowState->windowRects = (RECTANGLE_16*) malloc(size);
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if (Stream_GetRemainingLength(s) < 8 * windowState->numWindowRects)
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return FALSE;
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/* windowRects */
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for (i = 0; i < (int) windowState->numWindowRects; i++)
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{
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Stream_Read_UINT16(s, windowState->windowRects[i].left); /* left (2 bytes) */
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Stream_Read_UINT16(s, windowState->windowRects[i].top); /* top (2 bytes) */
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Stream_Read_UINT16(s, windowState->windowRects[i].right); /* right (2 bytes) */
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Stream_Read_UINT16(s, windowState->windowRects[i].bottom); /* bottom (2 bytes) */
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}
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_VIS_OFFSET)
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{
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT32(s, windowState->visibleOffsetX); /* visibleOffsetX (4 bytes) */
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Stream_Read_UINT32(s, windowState->visibleOffsetY); /* visibleOffsetY (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_VISIBILITY)
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{
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if (Stream_GetRemainingLength(s) < 2)
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return FALSE;
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Stream_Read_UINT16(s, windowState->numVisibilityRects); /* numVisibilityRects (2 bytes) */
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size = sizeof(RECTANGLE_16) * windowState->numVisibilityRects;
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windowState->visibilityRects = (RECTANGLE_16*) malloc(size);
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if (Stream_GetRemainingLength(s) < windowState->numVisibilityRects * 8)
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return FALSE;
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/* visibilityRects */
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for (i = 0; i < (int) windowState->numVisibilityRects; i++)
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{
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Stream_Read_UINT16(s, windowState->visibilityRects[i].left); /* left (2 bytes) */
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Stream_Read_UINT16(s, windowState->visibilityRects[i].top); /* top (2 bytes) */
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Stream_Read_UINT16(s, windowState->visibilityRects[i].right); /* right (2 bytes) */
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Stream_Read_UINT16(s, windowState->visibilityRects[i].bottom); /* bottom (2 bytes) */
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}
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}
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return TRUE;
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}
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BOOL update_read_window_icon_order(wStream* s, WINDOW_ORDER_INFO* orderInfo, WINDOW_ICON_ORDER* window_icon)
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{
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window_icon->iconInfo = (ICON_INFO*) malloc(sizeof(ICON_INFO));
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ZeroMemory(window_icon->iconInfo, sizeof(ICON_INFO));
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return update_read_icon_info(s, window_icon->iconInfo); /* iconInfo (ICON_INFO) */
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}
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BOOL update_read_window_cached_icon_order(wStream* s, WINDOW_ORDER_INFO* orderInfo, WINDOW_CACHED_ICON_ORDER* window_cached_icon)
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{
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return update_read_cached_icon_info(s, &window_cached_icon->cachedIcon); /* cachedIcon (CACHED_ICON_INFO) */
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}
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void update_read_window_delete_order(wStream* s, WINDOW_ORDER_INFO* orderInfo)
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{
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/* window deletion event */
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}
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BOOL update_recv_window_info_order(rdpUpdate* update, wStream* s, WINDOW_ORDER_INFO* orderInfo)
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{
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rdpContext* context = update->context;
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rdpWindowUpdate* window = update->window;
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT32(s, orderInfo->windowId); /* windowId (4 bytes) */
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if (orderInfo->fieldFlags & WINDOW_ORDER_ICON)
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{
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if (!update_read_window_icon_order(s, orderInfo, &window->window_icon))
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return FALSE;
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WLog_Print(update->log, WLOG_DEBUG, "WindowIcon");
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IFCALL(window->WindowIcon, context, orderInfo, &window->window_icon);
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}
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else if (orderInfo->fieldFlags & WINDOW_ORDER_CACHED_ICON)
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{
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if (!update_read_window_cached_icon_order(s, orderInfo, &window->window_cached_icon))
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return FALSE;
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WLog_Print(update->log, WLOG_DEBUG, "WindowCachedIcon");
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IFCALL(window->WindowCachedIcon, context, orderInfo, &window->window_cached_icon);
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}
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else if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_DELETED)
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{
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update_read_window_delete_order(s, orderInfo);
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WLog_Print(update->log, WLOG_DEBUG, "WindowDelete");
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IFCALL(window->WindowDelete, context, orderInfo);
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}
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else
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{
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if (!update_read_window_state_order(s, orderInfo, &window->window_state))
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return FALSE;
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if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_NEW)
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{
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WLog_Print(update->log, WLOG_DEBUG, "WindowCreate");
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IFCALL(window->WindowCreate, context, orderInfo, &window->window_state);
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}
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else
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{
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WLog_Print(update->log, WLOG_DEBUG, "WindowUpdate");
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IFCALL(window->WindowUpdate, context, orderInfo, &window->window_state);
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}
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}
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return TRUE;
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}
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BOOL update_read_notification_icon_state_order(wStream* s, WINDOW_ORDER_INFO* orderInfo, NOTIFY_ICON_STATE_ORDER* notify_icon_state)
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{
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_VERSION)
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{
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT32(s, notify_icon_state->version); /* version (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_TIP)
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{
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if (!rail_read_unicode_string(s, ¬ify_icon_state->toolTip)) /* toolTip (UNICODE_STRING) */
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return FALSE;
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_INFO_TIP)
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{
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if (!update_read_notify_icon_infotip(s, ¬ify_icon_state->infoTip)) /* infoTip (NOTIFY_ICON_INFOTIP) */
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return FALSE;
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_STATE)
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{
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if (Stream_GetRemainingLength(s) < 4)
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return FALSE;
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Stream_Read_UINT32(s, notify_icon_state->state); /* state (4 bytes) */
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_ICON)
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{
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if (!update_read_icon_info(s, ¬ify_icon_state->icon)) /* icon (ICON_INFO) */
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return FALSE;
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}
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if (orderInfo->fieldFlags & WINDOW_ORDER_CACHED_ICON)
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{
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if (!update_read_cached_icon_info(s, ¬ify_icon_state->cachedIcon)) /* cachedIcon (CACHED_ICON_INFO) */
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return FALSE;
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}
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return TRUE;
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}
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void update_read_notification_icon_delete_order(wStream* s, WINDOW_ORDER_INFO* orderInfo)
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{
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/* notification icon deletion event */
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}
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BOOL update_recv_notification_icon_info_order(rdpUpdate* update, wStream* s, WINDOW_ORDER_INFO* orderInfo)
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{
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rdpContext* context = update->context;
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rdpWindowUpdate* window = update->window;
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if (Stream_GetRemainingLength(s) < 8)
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return FALSE;
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Stream_Read_UINT32(s, orderInfo->windowId); /* windowId (4 bytes) */
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Stream_Read_UINT32(s, orderInfo->notifyIconId); /* notifyIconId (4 bytes) */
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if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_DELETED)
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{
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update_read_notification_icon_delete_order(s, orderInfo);
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WLog_Print(update->log, WLOG_DEBUG, "NotifyIconDelete");
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IFCALL(window->NotifyIconDelete, context, orderInfo);
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}
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else
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{
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if (!update_read_notification_icon_state_order(s, orderInfo, &window->notify_icon_state))
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return FALSE;
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if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_NEW)
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{
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WLog_Print(update->log, WLOG_DEBUG, "NotifyIconCreate");
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IFCALL(window->NotifyIconCreate, context, orderInfo, &window->notify_icon_state);
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}
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else
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{
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WLog_Print(update->log, WLOG_DEBUG, "NotifyIconUpdate");
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|
IFCALL(window->NotifyIconUpdate, context, orderInfo, &window->notify_icon_state);
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL update_read_desktop_actively_monitored_order(wStream* s, WINDOW_ORDER_INFO* orderInfo, MONITORED_DESKTOP_ORDER* monitored_desktop)
|
|
{
|
|
int i;
|
|
int size;
|
|
|
|
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ACTIVE_WND)
|
|
{
|
|
if (Stream_GetRemainingLength(s) < 4)
|
|
return FALSE;
|
|
|
|
Stream_Read_UINT32(s, monitored_desktop->activeWindowId); /* activeWindowId (4 bytes) */
|
|
}
|
|
|
|
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ZORDER)
|
|
{
|
|
UINT32 *newid;
|
|
|
|
if (Stream_GetRemainingLength(s) < 1)
|
|
return FALSE;
|
|
|
|
Stream_Read_UINT8(s, monitored_desktop->numWindowIds); /* numWindowIds (1 byte) */
|
|
|
|
if (Stream_GetRemainingLength(s) < 4 * monitored_desktop->numWindowIds)
|
|
return FALSE;
|
|
|
|
if (monitored_desktop->numWindowIds > 0) {
|
|
size = sizeof(UINT32) * monitored_desktop->numWindowIds;
|
|
|
|
newid = (UINT32*)realloc(monitored_desktop->windowIds, size);
|
|
if (!newid)
|
|
{
|
|
free(monitored_desktop->windowIds);
|
|
monitored_desktop->windowIds = NULL;
|
|
return FALSE;
|
|
}
|
|
monitored_desktop->windowIds = newid;
|
|
|
|
/* windowIds */
|
|
for (i = 0; i < (int)monitored_desktop->numWindowIds; i++)
|
|
{
|
|
Stream_Read_UINT32(s, monitored_desktop->windowIds[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void update_read_desktop_non_monitored_order(wStream* s, WINDOW_ORDER_INFO* orderInfo)
|
|
{
|
|
/* non-monitored desktop notification event */
|
|
}
|
|
|
|
BOOL update_recv_desktop_info_order(rdpUpdate* update, wStream* s, WINDOW_ORDER_INFO* orderInfo)
|
|
{
|
|
rdpContext* context = update->context;
|
|
rdpWindowUpdate* window = update->window;
|
|
|
|
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_NONE)
|
|
{
|
|
update_read_desktop_non_monitored_order(s, orderInfo);
|
|
WLog_Print(update->log, WLOG_DEBUG, "NonMonitoredDesktop");
|
|
IFCALL(window->NonMonitoredDesktop, context, orderInfo);
|
|
}
|
|
else
|
|
{
|
|
if (!update_read_desktop_actively_monitored_order(s, orderInfo, &window->monitored_desktop))
|
|
return FALSE;
|
|
WLog_Print(update->log, WLOG_DEBUG, "ActivelyMonitoredDesktop");
|
|
IFCALL(window->MonitoredDesktop, context, orderInfo, &window->monitored_desktop);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL update_recv_altsec_window_order(rdpUpdate* update, wStream* s)
|
|
{
|
|
UINT16 orderSize;
|
|
rdpWindowUpdate* window = update->window;
|
|
|
|
if (Stream_GetRemainingLength(s) < 6)
|
|
return FALSE;
|
|
|
|
Stream_Read_UINT16(s, orderSize); /* orderSize (2 bytes) */
|
|
Stream_Read_UINT32(s, window->orderInfo.fieldFlags); /* FieldsPresentFlags (4 bytes) */
|
|
|
|
if (window->orderInfo.fieldFlags & WINDOW_ORDER_TYPE_WINDOW)
|
|
return update_recv_window_info_order(update, s, &window->orderInfo);
|
|
else if (window->orderInfo.fieldFlags & WINDOW_ORDER_TYPE_NOTIFY)
|
|
return update_recv_notification_icon_info_order(update, s, &window->orderInfo);
|
|
else if (window->orderInfo.fieldFlags & WINDOW_ORDER_TYPE_DESKTOP)
|
|
return update_recv_desktop_info_order(update, s, &window->orderInfo);
|
|
|
|
return TRUE;
|
|
}
|
|
|