167 lines
6.3 KiB
C++
167 lines
6.3 KiB
C++
/**MOD+**********************************************************************/
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/* Module: fsapi.cpp */
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/* */
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/* Purpose: Font Sender API functions */
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/* */
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/* Copyright(C) Microsoft Corporation 1997 */
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/* */
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/****************************************************************************/
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#include <adcg.h>
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extern "C" {
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#define TRC_GROUP TRC_GROUP_CORE
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#define TRC_FILE "afsapi"
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#include <atrcapi.h>
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}
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#include "autil.h"
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#include "wui.h"
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#include "cd.h"
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#include "fs.h"
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#include "sl.h"
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CFS::CFS(CObjs* objs)
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{
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_pClientObjects = objs;
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}
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CFS::~CFS()
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{
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}
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/****************************************************************************/
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// FS_Init
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//
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// Initialize Font Sender
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/****************************************************************************/
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VOID DCAPI CFS::FS_Init(VOID)
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{
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DC_BEGIN_FN("FS_Init");
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_pSl = _pClientObjects->_pSlObject;
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_pUt = _pClientObjects->_pUtObject;
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_pUi = _pClientObjects->_pUiObject;
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/************************************************************************/
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/* Initialize FS data */
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/************************************************************************/
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TRC_DBG((TB, _T("FS Initialize")));
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_FS.sentFontPDU = FALSE;
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DC_END_FN();
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} /* FS_Init */
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/****************************************************************************/
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// FS_Term
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//
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// This is an empty function since we don't enumerate fonts anymore. We
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// use glyphs instead of fonts for text display. We still keep FS_Term
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// is to have a symmetric function with FS_Init
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/****************************************************************************/
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VOID DCAPI CFS::FS_Term(VOID)
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{
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DC_BEGIN_FN("FS_Term");
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TRC_DBG((TB, _T("Empty FS_Term")));
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DC_END_FN();
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} /* FS_Term */
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/****************************************************************************/
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// FS_Enable
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//
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// This is an empty function since we don't enumerate fonts anymore. We
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// use glyphs instead of fonts for text display. We still keep FS_Enable
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// is to have a symmetric function with FS_Disable
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/****************************************************************************/
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VOID DCAPI CFS::FS_Enable(VOID)
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{
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DC_BEGIN_FN("FS_Enable");
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TRC_DBG((TB, _T("Empty FS_Enable")));
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DC_END_FN();
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} /* FS_Enable */
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/****************************************************************************/
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// FS_Disable
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//
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// Disable _FS.
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/****************************************************************************/
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VOID DCAPI CFS::FS_Disable(VOID)
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{
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DC_BEGIN_FN("FS_Disable");
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TRC_NRM((TB, _T("Disabled")));
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// reset sentFontPDU flag
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_FS.sentFontPDU = FALSE;
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DC_END_FN();
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} /* FS_Disable */
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/****************************************************************************/
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// FS_SendZeroFontList
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//
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// Attempts to send an empty FontList PDU. The zero-font packet maintains
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// backward compatibility with RDP 4.0 servers where RDPWD waits on the
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// font list packet to arrive before allowing the session to continue.
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// Font support is otherwise not required, so we can send zero fonts.
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/****************************************************************************/
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DCVOID DCAPI CFS::FS_SendZeroFontList(DCUINT unusedParm)
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{
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unsigned short PktLen;
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SL_BUFHND hBuffer;
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PTS_FONT_LIST_PDU pFontListPDU;
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DC_BEGIN_FN("FS_SendFontList");
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DC_IGNORE_PARAMETER(unusedParm);
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// Only send font PDU if we haven't already done so
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if (!_FS.sentFontPDU) {
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PktLen = sizeof(TS_FONT_LIST_PDU) - sizeof(TS_FONT_ATTRIBUTE);
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if (_pSl->SL_GetBuffer(PktLen, (PPDCUINT8)&pFontListPDU, &hBuffer)) {
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TRC_NRM((TB, _T("Successfully alloc'd font list packet")));
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pFontListPDU->shareDataHeader.shareControlHeader.pduType =
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TS_PDUTYPE_DATAPDU | TS_PROTOCOL_VERSION;
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pFontListPDU->shareDataHeader.shareControlHeader.totalLength = PktLen;
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pFontListPDU->shareDataHeader.shareControlHeader.pduSource =
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_pUi->UI_GetClientMCSID();
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pFontListPDU->shareDataHeader.shareID = _pUi->UI_GetShareID();
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pFontListPDU->shareDataHeader.pad1 = 0;
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pFontListPDU->shareDataHeader.streamID = TS_STREAM_LOW;
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pFontListPDU->shareDataHeader.pduType2 = TS_PDUTYPE2_FONTLIST;
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pFontListPDU->shareDataHeader.generalCompressedType = 0;
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pFontListPDU->shareDataHeader.generalCompressedLength = 0;
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pFontListPDU->numberFonts = 0;
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pFontListPDU->totalNumFonts = 0;
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pFontListPDU->listFlags = TS_FONTLIST_FIRST | TS_FONTLIST_LAST;
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pFontListPDU->entrySize = sizeof(TS_FONT_ATTRIBUTE);
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TRC_NRM((TB, _T("Send zero length font list")));
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_pSl->SL_SendPacket((PDCUINT8)pFontListPDU, PktLen, RNS_SEC_ENCRYPT,
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hBuffer, _pUi->UI_GetClientMCSID(), _pUi->UI_GetChannelID(),
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TS_MEDPRIORITY);
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_FS.sentFontPDU = TRUE;
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}
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else {
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// If we fail to allocate a buffer then we will try again when we get
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// an UH_OnBufferAvailable() on WinSock FD_WRITE.
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TRC_ALT((TB, _T("Failed to alloc font list packet")));
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pFontListPDU = NULL;
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}
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}
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DC_END_FN();
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} /* FS_SendZeroFontList */
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