108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
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/****************************** Module Header ******************************\
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* Module Name: text.c
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* Copyright (c) 1985 - 1999, Microsoft Corporation
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* This module contains the MessageBox API and related functions.
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* History:
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* 10-01-90 EricK Created.
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* 11-20-90 DarrinM Merged in User text APIs.
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* 02-07-91 DarrinM Removed TextOut, ExtTextOut, and GetTextExtentPoint stubs.
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*/
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/*
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* PSMGetTextExtent
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* NOTE: This routine should only be called with the system font since having
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* to realize a new font would cause memory to move...
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* LATER: Can't this be eliminated altogether? Nothing should be moving
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* anymore.
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* History:
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* 11-13-90 JimA Ported.
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*/
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#ifdef _USERK_
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BOOL xxxPSMGetTextExtent(
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HDC hdc,
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LPWSTR lpstr,
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int cch,
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PSIZE psize)
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{
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int result;
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WCHAR szTemp[255], *pchOut;
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PTHREADINFO ptiCurrent = PtiCurrentShared();
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TL tl;
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if (cch > sizeof(szTemp)/sizeof(WCHAR)) {
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pchOut = (WCHAR*)UserAllocPool((cch+1) * sizeof(WCHAR), TAG_RTL);
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if (pchOut == NULL)
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return FALSE;
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ThreadLockPool(ptiCurrent, pchOut, &tl);
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} else {
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pchOut = szTemp;
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}
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result = HIWORD(GetPrefixCount(lpstr, cch, pchOut, cch));
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if (result) {
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lpstr = pchOut;
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cch -= result;
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}
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if (CALL_LPK(ptiCurrent)) {
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xxxClientGetTextExtentPointW(hdc, lpstr, cch, psize);
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} else {
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UserGetTextExtentPointW(hdc, lpstr, cch, psize);
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}
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if (pchOut != szTemp)
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ThreadUnlockAndFreePool(ptiCurrent, &tl);
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/*
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* IanJa everyone seems to ignore the ret val
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*/
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return TRUE;
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}
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#else
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BOOL PSMGetTextExtent(
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HDC hdc,
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LPCWSTR lpstr,
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int cch,
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PSIZE psize)
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{
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int result;
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WCHAR szTemp[255], *pchOut;
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if (cch > sizeof(szTemp)/sizeof(WCHAR)) {
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pchOut = (WCHAR*)UserLocalAlloc(0, (cch+1) * sizeof(WCHAR));
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if (pchOut == NULL)
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return FALSE;
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} else {
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pchOut = szTemp;
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}
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result = HIWORD(GetPrefixCount(lpstr, cch, pchOut, cch));
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if (result) {
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lpstr = pchOut;
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cch -= result;
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}
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UserGetTextExtentPointW(hdc, lpstr, cch, psize);
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if (pchOut != szTemp)
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UserLocalFree(pchOut);
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/*
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* IanJa everyone seems to ignore the ret val
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*/
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return TRUE;
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}
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#endif // _USERK_
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