Initial commit.
This commit is contained in:
Jim Gray
308
tools/ModView/commtest/wintalk.cpp
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308
tools/ModView/commtest/wintalk.cpp
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// Filename:- wintalk.cpp
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//
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// a module containing code for talking to other windows apps via a shared memory space...
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//
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#include "stdafx.h"
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#include <assert.h>
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#include "commtestDoc.h"
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#include "commtestview.h"
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//#include <winbase.h>
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#include "../tools/modview/CommArea.h"
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//
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#include "../tools/modview/wintalk.h"
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#ifndef ZEROMEM
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#define ZEROMEM(blah) memset(&blah,0,sizeof(blah))
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#endif
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void ErrorBox(const char *sString)
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{
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MessageBox( NULL, sString, "Error", MB_OK|MB_ICONERROR|MB_TASKMODAL );
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}
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void InfoBox(const char *sString)
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{
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MessageBox( NULL, sString, "Info", MB_OK|MB_ICONINFORMATION|MB_TASKMODAL );
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}
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void WarningBox(const char *sString)
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{
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MessageBox( NULL, sString, "Warning", MB_OK|MB_ICONWARNING|MB_TASKMODAL );
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}
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char *va(char *format, ...)
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{
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va_list argptr;
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static char string[16][1024];
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static index = 0;
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index = (++index)&15;
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va_start (argptr, format);
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vsprintf (string[index], format,argptr);
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va_end (argptr);
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return string[index];
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}
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// this'll return a string of up to the first 4095 chars of a system error message...
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//
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LPCSTR SystemErrorString(DWORD dwError)
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{
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static char sString[4096];
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LPVOID lpMsgBuf=0;
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL,
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dwError,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR) &lpMsgBuf,
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0,
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NULL
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);
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ZEROMEM(sString);
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strncpy(sString,(LPCSTR) lpMsgBuf,sizeof(sString)-1);
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LocalFree( lpMsgBuf );
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return sString;
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}
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//void SystemErrorBox(DWORD dwError)
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extern HWND g_hWnd;
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#define GetYesNo(psQuery) (!!(MessageBox(g_hWnd,psQuery,"Query",MB_YESNO|MB_ICONWARNING|MB_TASKMODAL)==IDYES))
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//////////////////////////////////////////////////////////////////////////////
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static LPCSTR FindWhitespace(LPCSTR psString)
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{
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while (*psString && !isspace(*psString)) psString++;
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return psString;
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}
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static LPCSTR SkipWhitespace(LPCSTR psString)
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{
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while (isspace(*psString)) psString++;
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return psString;
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}
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// every case here must either do CommArea_CommandAck(...) or CommArea_CommandError(...),
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// failure to do this is amazingly bad!!!
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//
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static void HandleCommands(LPCSTR psString, byte *pbCommandData, int iCommandDataSize)
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{
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/*
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#define IF_ARG(string) if (!strncmp(psArg,string,strlen(string)))
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#define NEXT_ARG SkipWhitespace(FindWhitespace(psArg))
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LPCSTR psArg = psString;
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IF_ARG("model_loadprimary")
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{
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psArg = NEXT_ARG;
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if (Document_ModelLoadPrimary( psArg ))
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{
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CommArea_CommandAck();
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}
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else
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{
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CommArea_CommandError(va("ModView: Failed command: \"model_loadprimary %s\"\"", psArg));
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}
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}
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else
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IF_ARG("modeltree_getrootsurface")
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{
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// for this command, just send back whatever the answer is without validating...
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//
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HTREEITEM hTreeItem = ModelTree_GetRootSurface(Model_GetPrimaryHandle());
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CommArea_CommandAck(va("%d",hTreeItem));
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}
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else
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IF_ARG("modeltree_getrootbone")
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{
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// for this command, just send back whatever the answer is without validating...
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//
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HTREEITEM hTreeItem = ModelTree_GetRootBone(Model_GetPrimaryHandle());
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CommArea_CommandAck(va("%d",hTreeItem));
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}
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else
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// this version MUST be the first of the two, or the shorter one will early-match even a long command
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IF_ARG("modeltree_getitemtextpure") // "...pure" will skip stuff like "////" for disabled surfaces
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{
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psArg = NEXT_ARG;
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HTREEITEM hTreeItem = (HTREEITEM) atoi(psArg);
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LPCSTR psText = ModelTree_GetItemText(hTreeItem,true);
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CommArea_CommandAck(psText);
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}
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else
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IF_ARG("modeltree_getitemtext")
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{
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psArg = NEXT_ARG;
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HTREEITEM hTreeItem = (HTREEITEM) atoi(psArg);
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LPCSTR psText = ModelTree_GetItemText(hTreeItem);
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CommArea_CommandAck(psText);
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}
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else
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IF_ARG("modeltree_getchilditem")
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{
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psArg = NEXT_ARG;
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HTREEITEM hTreeItem = (HTREEITEM) atoi(psArg);
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hTreeItem = ModelTree_GetChildItem(hTreeItem);
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CommArea_CommandAck(va("%d",hTreeItem));
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}
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else
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IF_ARG("modeltree_getnextsiblingitem")
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{
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psArg = NEXT_ARG;
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HTREEITEM hTreeItem = (HTREEITEM) atoi(psArg);
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hTreeItem = ModelTree_GetNextSiblingItem(hTreeItem);
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CommArea_CommandAck(va("%d",hTreeItem));
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}
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else
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{
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// unknown command...
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//
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CommArea_CommandError(va("ModView: Unknown command \"%s\"", psString));
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}
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*/
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InfoBox(va("CommsTest: Command recieved: \"%s\"",psString));
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if (GetYesNo("CommsTest: Report as error? ('NO' will report success)"))
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{
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CommArea_CommandError(va("CommsTest: Failed to complete task '%s'", psString));
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}
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else
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{
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CommArea_CommandAck();
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}
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}
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static bool bDoNotEnterHandler = false; // Modal dialogue boxes can cause problems with re-entrance
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void WinTalk_HandleMessages(void)
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{
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if (!bDoNotEnterHandler)
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{
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bDoNotEnterHandler = true;
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if (!CommArea_IsIdle())
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{
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CWaitCursor wait;
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byte *pbCommandData = NULL;
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int iCommandDataSize;
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LPCSTR psString;
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if ((psString = CommArea_IsCommandWaiting( &pbCommandData, &iCommandDataSize )) != NULL)
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{
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HandleCommands(psString, pbCommandData, iCommandDataSize);
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}
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else
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if ((psString = CommArea_IsErrorWaiting()) != NULL)
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{
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assert(0); // I don't think we should ever get here, but just in case...
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ErrorBox(va("CommTest: Other program reported an error:\n\n\"%s\"",psString));
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CommArea_CommandClear();
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}
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}
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bDoNotEnterHandler = false;
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}
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}
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// return is success / fail
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//
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bool WinTalk_IssueCommand( LPCSTR psCommand,
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byte *pbData, // optional extra command data (current max = 64k)
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int iDataSize, // sizeof above
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LPCSTR *ppsResultPassback, // optional result passback if expecting an answer string
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byte **ppbDataPassback, // optional data passback if expecting a data result
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int *piDataSizePassback // optional size of above if you need it supplying
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)
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{
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bool bError = false;
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while (!CommArea_IsIdle())
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{
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WinTalk_HandleMessages();
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}
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bDoNotEnterHandler = true;
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{
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CommArea_IssueCommand(psCommand, pbData, iDataSize);
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// wait until command is acknowledged or has failed... (you may want a sanity check timeout?)
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//
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CWaitCursor wait;
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while (1)
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{
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LPCSTR psReply;
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if ((psReply = CommArea_IsAckWaiting(ppbDataPassback,piDataSizePassback)) != NULL)
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{
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if ( ppsResultPassback)
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*ppsResultPassback = psReply;
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bError = false;
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break;
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}
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if ((psReply = CommArea_IsErrorWaiting()) != NULL)
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{
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ErrorBox(va("Other program reported an error:\n\n\"%s\"",psReply));
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bError = true;
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break;
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}
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Sleep(0); // needed to avoid hogging all CPU time :-)
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}
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// you MUST do this...
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//
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CommArea_CommandClear();
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/* {
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gpCommTestView->GetTreeCtrl().DeleteAllItems();
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gpCommTestView->GetTreeCtrl().InsertItem("hello");
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}
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*/
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}
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bDoNotEnterHandler = false;
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return !bError;
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}
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////////////////////// eof ////////////////
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