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1475 lines
35 KiB
1475 lines
35 KiB
//
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// Copyright (c) Microsoft Corporation 1993-1995
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//
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// common.c
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//
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// This files contains common utility and helper functions.
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//
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// History:
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// 08-06-93 ScottH Transferred from twin code
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// 04-26-95 ScottH Transferred and expanded from Briefcase code
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//
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#include "proj.h"
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#include "common.h"
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#ifdef NORTL
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// Some of these are replacements for the C runtime routines.
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// This is so we don't have to link to the CRT libs.
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//
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/*----------------------------------------------------------
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Purpose: memset
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Swiped from the C 7.0 runtime sources.
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Returns:
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Cond:
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*/
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LPSTR PUBLIC lmemset(
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LPSTR dst,
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char val,
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UINT count)
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{
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LPSTR start = dst;
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while (count--)
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*dst++ = val;
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return(start);
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}
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/*----------------------------------------------------------
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Purpose: memmove
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Swiped from the C 7.0 runtime sources.
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Returns:
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Cond:
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*/
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LPSTR PUBLIC lmemmove(
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LPSTR dst,
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LPCSTR src,
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int count)
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{
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LPSTR ret = dst;
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if (dst <= src || dst >= (src + count)) {
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/*
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* Non-Overlapping Buffers
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* copy from lower addresses to higher addresses
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*/
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while (count--)
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*dst++ = *src++;
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}
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else {
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/*
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* Overlapping Buffers
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* copy from higher addresses to lower addresses
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*/
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dst += count - 1;
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src += count - 1;
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while (count--)
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*dst-- = *src--;
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}
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return(ret);
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}
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#endif // NORTL
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#ifndef NOSTRING
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// WARNING: all of these APIs do not setup DS, so you can not access
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// any data in the default data seg of this DLL.
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//
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// do not create any global variables... talk to chrisg if you don't
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// understand this
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#define FASTCALL _fastcall
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/*----------------------------------------------------------
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Purpose: Case sensitive character comparison for DBCS
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Returns: FALSE if they match, TRUE if no match
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Cond: --
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*/
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BOOL PRIVATE ChrCmp(
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WORD w1,
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WORD wMatch)
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{
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/* Most of the time this won't match, so test it first for speed.
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*/
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if (LOBYTE(w1) == LOBYTE(wMatch))
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{
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if (IsDBCSLeadByte(LOBYTE(w1)))
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{
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return(w1 != wMatch);
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}
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return FALSE;
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}
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return TRUE;
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}
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/*----------------------------------------------------------
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Purpose: Case insensitive character comparison for DBCS
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Returns: FALSE if match, TRUE if not
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Cond: --
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*/
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BOOL PRIVATE ChrCmpI(
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WORD w1,
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WORD wMatch)
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{
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char sz1[3], sz2[3];
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if (IsDBCSLeadByte(sz1[0] = LOBYTE(w1)))
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{
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sz1[1] = HIBYTE(w1);
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sz1[2] = '\0';
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}
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else
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sz1[1] = '\0';
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*(WORD FAR *)sz2 = wMatch;
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sz2[2] = '\0';
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return lstrcmpi(sz1, sz2);
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}
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/*----------------------------------------------------------
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Purpose: strnicmp
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Swiped from the C 7.0 runtime sources.
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Returns:
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Cond:
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*/
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int PUBLIC lstrnicmp(
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LPCSTR psz1,
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LPCSTR psz2,
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UINT count)
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{
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int ch1;
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int ch2;
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int result = 0;
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LPCSTR pszTmp;
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if (count)
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{
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do
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{
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pszTmp = CharLower((LPSTR)LongToPtr(MAKELONG(*psz1, 0)));
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ch1 = *pszTmp;
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pszTmp = CharLower((LPSTR)LongToPtr(MAKELONG(*psz2, 0)));
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ch2 = *pszTmp;
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psz1 = AnsiNext(psz1);
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psz2 = AnsiNext(psz2);
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} while (--count && ch1 && ch2 && !ChrCmp((WORD)ch1, (WORD)ch2));
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result = ch1 - ch2;
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}
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return(result);
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}
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/*----------------------------------------------------------
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Purpose: My verion of atoi. Supports hexadecimal too.
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Returns: integer
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Cond: --
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*/
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int PUBLIC AnsiToInt(
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LPCSTR pszString)
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{
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#define IS_DIGIT(ch) InRange(ch, '0', '9')
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int n;
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BOOL bNeg = FALSE;
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LPCSTR psz;
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LPCSTR pszAdj;
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// Skip leading whitespace
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//
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for (psz = pszString; *psz == ' ' || *psz == '\n' || *psz == '\t'; psz = AnsiNext(psz))
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;
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// Determine possible explicit signage
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//
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if (*psz == '+' || *psz == '-')
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{
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bNeg = (*psz == '+') ? FALSE : TRUE;
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psz = AnsiNext(psz);
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}
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// Or is this hexadecimal?
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//
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pszAdj = AnsiNext(psz);
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if (*psz == '0' && (*pszAdj == 'x' || *pszAdj == 'X'))
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{
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bNeg = FALSE; // Never allow negative sign with hexadecimal numbers
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psz = AnsiNext(pszAdj);
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// Do the conversion
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//
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for (n = 0; ; psz = AnsiNext(psz))
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{
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if (IS_DIGIT(*psz))
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n = 0x10 * n + *psz - '0';
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else
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{
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char ch = *psz;
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int n2;
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if (ch >= 'a')
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ch -= 'a' - 'A';
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n2 = ch - 'A' + 0xA;
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if (n2 >= 0xA && n2 <= 0xF)
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n = 0x10 * n + n2;
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else
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break;
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}
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}
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}
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else
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{
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for (n = 0; IS_DIGIT(*psz); psz = AnsiNext(psz))
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n = 10 * n + *psz - '0';
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}
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return bNeg ? -n : n;
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}
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/*----------------------------------------------------------
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Purpose: Find first occurrence of character in string
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Returns: Pointer to the first occurrence of ch in
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Cond: --
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*/
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LPSTR PUBLIC AnsiChr(
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LPCSTR psz,
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WORD wMatch)
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{
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for ( ; *psz; psz = AnsiNext(psz))
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{
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if (!ChrCmp(*(WORD FAR *)psz, wMatch))
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return (LPSTR)psz;
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}
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return NULL;
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}
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#endif // NOSTRING
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#ifndef NODIALOGHELPER
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/*----------------------------------------------------------
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Purpose: General front end to invoke dialog boxes
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Returns: result from EndDialog
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Cond: --
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*/
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int PUBLIC DoModal(
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HWND hwndParent, // owner of dialog
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DLGPROC lpfnDlgProc, // dialog proc
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UINT uID, // dialog template ID
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LPARAM lParam) // extra parm to pass to dialog (may be NULL)
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{
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int nResult = -1;
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nResult = DialogBoxParam(g_hinst, MAKEINTRESOURCE(uID), hwndParent,
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lpfnDlgProc, lParam);
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return nResult;
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}
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/*----------------------------------------------------------
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Purpose: Sets the rectangle with the bounding extent of the given string.
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Returns: Rectangle
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Cond: --
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*/
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void PUBLIC SetRectFromExtent(
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HDC hdc,
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LPRECT lprect,
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LPCSTR lpcsz)
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{
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SIZE size;
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GetTextExtentPoint(hdc, lpcsz, lstrlen(lpcsz), &size);
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SetRect(lprect, 0, 0, size.cx, size.cy);
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}
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#endif // NODIALOGHELPER
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#ifndef NODRAWTEXT
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#pragma data_seg(DATASEG_READONLY)
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char const FAR c_szEllipses[] = "...";
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#pragma data_seg()
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// Global variables
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int g_cxLabelMargin = 0;
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int g_cxBorder = 0;
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int g_cyBorder = 0;
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COLORREF g_clrHighlightText = 0;
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COLORREF g_clrHighlight = 0;
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COLORREF g_clrWindowText = 0;
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COLORREF g_clrWindow = 0;
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HBRUSH g_hbrHighlight = 0;
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HBRUSH g_hbrWindow = 0;
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/*----------------------------------------------------------
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Purpose: Get the system metrics we need
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Returns: --
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Cond: --
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*/
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void PUBLIC GetCommonMetrics(
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WPARAM wParam) // wParam from WM_WININICHANGE
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{
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if ((wParam == 0) || (wParam == SPI_SETNONCLIENTMETRICS))
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{
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g_cxBorder = GetSystemMetrics(SM_CXBORDER);
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g_cyBorder = GetSystemMetrics(SM_CYBORDER);
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g_cxLabelMargin = (g_cxBorder * 2);
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}
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}
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/*----------------------------------------------------------
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Purpose: Sees whether the entire string will fit in *prc.
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If not, compute the numbder of chars that will fit
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(including ellipses). Returns length of string in
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*pcchDraw.
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Taken from COMMCTRL.
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Returns: TRUE if the string needed ellipses
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Cond: --
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*/
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BOOL PRIVATE NeedsEllipses(
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HDC hdc,
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LPCSTR pszText,
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RECT * prc,
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int * pcchDraw,
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int cxEllipses)
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{
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int cchText;
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int cxRect;
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int ichMin, ichMax, ichMid;
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SIZE siz;
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cxRect = prc->right - prc->left;
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cchText = lstrlen(pszText);
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if (cchText == 0)
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{
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*pcchDraw = cchText;
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return FALSE;
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}
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GetTextExtentPoint(hdc, pszText, cchText, &siz);
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if (siz.cx <= cxRect)
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{
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*pcchDraw = cchText;
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return FALSE;
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}
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cxRect -= cxEllipses;
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// If no room for ellipses, always show first character.
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//
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ichMax = 1;
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if (cxRect > 0)
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{
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// Binary search to find character that will fit
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ichMin = 0;
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ichMax = cchText;
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while (ichMin < ichMax)
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{
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// Be sure to round up, to make sure we make progress in
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// the loop if ichMax == ichMin + 1.
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//
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ichMid = (ichMin + ichMax + 1) / 2;
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GetTextExtentPoint(hdc, &pszText[ichMin], ichMid - ichMin, &siz);
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if (siz.cx < cxRect)
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{
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ichMin = ichMid;
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cxRect -= siz.cx;
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}
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else if (siz.cx > cxRect)
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{
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ichMax = ichMid - 1;
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}
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else
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{
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// Exact match up up to ichMid: just exit.
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//
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ichMax = ichMid;
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break;
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}
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}
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// Make sure we always show at least the first character...
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//
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if (ichMax < 1)
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ichMax = 1;
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}
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*pcchDraw = ichMax;
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return TRUE;
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}
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#define CCHELLIPSES 3
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#define DT_LVWRAP (DT_CENTER | DT_WORDBREAK | DT_NOPREFIX | DT_EDITCONTROL)
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/*----------------------------------------------------------
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Purpose: Draws text the shell's way.
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Taken from COMMCTRL.
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Returns: --
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Cond: This function requires TRANSPARENT background mode
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and a properly selected font.
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*/
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void PUBLIC MyDrawText(
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HDC hdc,
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LPCSTR pszText,
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RECT FAR* prc,
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UINT flags,
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int cyChar,
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int cxEllipses,
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COLORREF clrText,
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COLORREF clrTextBk)
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{
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int cchText;
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COLORREF clrSave;
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COLORREF clrSaveBk;
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UINT uETOFlags = 0;
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RECT rc;
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char ach[MAX_PATH + CCHELLIPSES];
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// REVIEW: Performance idea:
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// We could cache the currently selected text color
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// so we don't have to set and restore it each time
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// when the color is the same.
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//
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if (!pszText)
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return;
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rc = *prc;
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// If needed, add in a little extra margin...
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//
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if (IsFlagSet(flags, MDT_EXTRAMARGIN))
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{
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rc.left += g_cxLabelMargin * 3;
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rc.right -= g_cxLabelMargin * 3;
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}
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else
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{
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rc.left += g_cxLabelMargin;
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rc.right -= g_cxLabelMargin;
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}
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if (IsFlagSet(flags, MDT_ELLIPSES) &&
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NeedsEllipses(hdc, pszText, &rc, &cchText, cxEllipses))
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{
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hmemcpy(ach, pszText, cchText);
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lstrcpy(ach + cchText, c_szEllipses);
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pszText = ach;
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// Left-justify, in case there's no room for all of ellipses
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//
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ClearFlag(flags, (MDT_RIGHT | MDT_CENTER));
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SetFlag(flags, MDT_LEFT);
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cchText += CCHELLIPSES;
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}
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else
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{
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cchText = lstrlen(pszText);
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}
|
|
|
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if (IsFlagSet(flags, MDT_TRANSPARENT))
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{
|
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clrSave = SetTextColor(hdc, 0x000000);
|
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}
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else
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{
|
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uETOFlags |= ETO_OPAQUE;
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|
|
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if (IsFlagSet(flags, MDT_SELECTED))
|
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{
|
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clrSave = SetTextColor(hdc, g_clrHighlightText);
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clrSaveBk = SetBkColor(hdc, g_clrHighlight);
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|
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if (IsFlagSet(flags, MDT_DRAWTEXT))
|
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{
|
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FillRect(hdc, prc, g_hbrHighlight);
|
|
}
|
|
}
|
|
else
|
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{
|
|
if (clrText == CLR_DEFAULT && clrTextBk == CLR_DEFAULT)
|
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{
|
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clrSave = SetTextColor(hdc, g_clrWindowText);
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clrSaveBk = SetBkColor(hdc, g_clrWindow);
|
|
|
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if (IsFlagSet(flags, MDT_DRAWTEXT | MDT_DESELECTED))
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|
{
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FillRect(hdc, prc, g_hbrWindow);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
HBRUSH hbr;
|
|
|
|
if (clrText == CLR_DEFAULT)
|
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clrText = g_clrWindowText;
|
|
|
|
if (clrTextBk == CLR_DEFAULT)
|
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clrTextBk = g_clrWindow;
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|
|
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clrSave = SetTextColor(hdc, clrText);
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|
clrSaveBk = SetBkColor(hdc, clrTextBk);
|
|
|
|
if (IsFlagSet(flags, MDT_DRAWTEXT | MDT_DESELECTED))
|
|
{
|
|
hbr = CreateSolidBrush(GetNearestColor(hdc, clrTextBk));
|
|
if (hbr)
|
|
{
|
|
FillRect(hdc, prc, hbr);
|
|
DeleteObject(hbr);
|
|
}
|
|
else
|
|
FillRect(hdc, prc, GetStockObject(WHITE_BRUSH));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If we want the item to display as if it was depressed, we will
|
|
// offset the text rectangle down and to the left
|
|
if (IsFlagSet(flags, MDT_DEPRESSED))
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|
OffsetRect(&rc, g_cxBorder, g_cyBorder);
|
|
|
|
if (IsFlagSet(flags, MDT_DRAWTEXT))
|
|
{
|
|
UINT uDTFlags = DT_LVWRAP;
|
|
|
|
if (IsFlagClear(flags, MDT_CLIPPED))
|
|
uDTFlags |= DT_NOCLIP;
|
|
|
|
DrawText(hdc, pszText, cchText, &rc, uDTFlags);
|
|
}
|
|
else
|
|
{
|
|
if (IsFlagClear(flags, MDT_LEFT))
|
|
{
|
|
SIZE siz;
|
|
|
|
GetTextExtentPoint(hdc, pszText, cchText, &siz);
|
|
|
|
if (IsFlagSet(flags, MDT_CENTER))
|
|
rc.left = (rc.left + rc.right - siz.cx) / 2;
|
|
else
|
|
{
|
|
ASSERT(IsFlagSet(flags, MDT_RIGHT));
|
|
rc.left = rc.right - siz.cx;
|
|
}
|
|
}
|
|
|
|
if (IsFlagSet(flags, MDT_VCENTER))
|
|
{
|
|
// Center vertically
|
|
rc.top += (rc.bottom - rc.top - cyChar) / 2;
|
|
}
|
|
|
|
if (IsFlagSet(flags, MDT_CLIPPED))
|
|
uETOFlags |= ETO_CLIPPED;
|
|
|
|
ExtTextOut(hdc, rc.left, rc.top, uETOFlags, prc, pszText, cchText, NULL);
|
|
}
|
|
|
|
if (flags & (MDT_SELECTED | MDT_DESELECTED | MDT_TRANSPARENT))
|
|
{
|
|
SetTextColor(hdc, clrSave);
|
|
if (IsFlagClear(flags, MDT_TRANSPARENT))
|
|
SetBkColor(hdc, clrSaveBk);
|
|
}
|
|
}
|
|
#endif // NODRAWTEXT
|
|
|
|
|
|
#ifndef NOFILEINFO
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Takes a DWORD value and converts it to a string, adding
|
|
commas on the way.
|
|
|
|
This was taken from the shell.
|
|
|
|
Returns: Pointer to buffer
|
|
|
|
Cond: --
|
|
*/
|
|
LPSTR PRIVATE AddCommas(
|
|
DWORD dw,
|
|
LPSTR pszBuffer,
|
|
UINT cbBuffer)
|
|
{
|
|
char szTemp[30];
|
|
char szSep[5];
|
|
NUMBERFMT nfmt;
|
|
|
|
nfmt.NumDigits=0;
|
|
nfmt.LeadingZero=0;
|
|
GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_SGROUPING, szSep, sizeof(szSep));
|
|
nfmt.Grouping = AnsiToInt(szSep);
|
|
GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, szSep, sizeof(szSep));
|
|
nfmt.lpDecimalSep = nfmt.lpThousandSep = szSep;
|
|
nfmt.NegativeOrder= 0;
|
|
|
|
wsprintf(szTemp, "%lu", dw);
|
|
|
|
GetNumberFormatA(LOCALE_USER_DEFAULT, 0, szTemp, &nfmt, pszBuffer, cbBuffer);
|
|
return pszBuffer;
|
|
}
|
|
|
|
|
|
const short s_rgidsOrders[] = {IDS_BYTES, IDS_ORDERKB, IDS_ORDERMB, IDS_ORDERGB, IDS_ORDERTB};
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Converts a number into a short, string format.
|
|
|
|
This code was taken from the shell.
|
|
|
|
532 -> 523 bytes
|
|
1340 -> 1.3KB
|
|
23506 -> 23.5KB
|
|
-> 2.4MB
|
|
-> 5.2GB
|
|
|
|
Returns: pointer to buffer
|
|
Cond: --
|
|
*/
|
|
LPSTR PRIVATE ShortSizeFormat64(
|
|
__int64 dw64,
|
|
LPSTR szBuf)
|
|
{
|
|
int i;
|
|
UINT wInt, wLen, wDec;
|
|
char szTemp[10], szOrder[20], szFormat[5];
|
|
|
|
if (dw64 < 1000)
|
|
{
|
|
wsprintf(szTemp, "%d", LODWORD(dw64));
|
|
i = 0;
|
|
goto AddOrder;
|
|
}
|
|
|
|
for (i = 1; i < ARRAY_ELEMENTS(s_rgidsOrders)-1 && dw64 >= 1000L * 1024L; dw64 >>= 10, i++);
|
|
/* do nothing */
|
|
|
|
wInt = LODWORD(dw64 >> 10);
|
|
AddCommas(wInt, szTemp, sizeof(szTemp));
|
|
wLen = lstrlen(szTemp);
|
|
if (wLen < 3)
|
|
{
|
|
wDec = LODWORD(dw64 - (__int64)wInt * 1024L) * 1000 / 1024;
|
|
// At this point, wDec should be between 0 and 1000
|
|
// we want get the top one (or two) digits.
|
|
wDec /= 10;
|
|
if (wLen == 2)
|
|
wDec /= 10;
|
|
|
|
// Note that we need to set the format before getting the
|
|
// intl char.
|
|
lstrcpy(szFormat, "%02d");
|
|
|
|
szFormat[2] = '0' + 3 - wLen;
|
|
GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL,
|
|
szTemp+wLen, sizeof(szTemp)-wLen);
|
|
wLen = lstrlen(szTemp);
|
|
wLen += wsprintf(szTemp+wLen, szFormat, wDec);
|
|
}
|
|
|
|
AddOrder:
|
|
LoadString(g_hinst, s_rgidsOrders[i], szOrder, sizeof(szOrder));
|
|
wsprintf(szBuf, szOrder, (LPSTR)szTemp);
|
|
|
|
return szBuf;
|
|
}
|
|
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Converts a number into a short, string format.
|
|
|
|
This code was taken from the shell.
|
|
|
|
532 -> 523 bytes
|
|
1340 -> 1.3KB
|
|
23506 -> 23.5KB
|
|
-> 2.4MB
|
|
-> 5.2GB
|
|
|
|
Returns: pointer to buffer
|
|
Cond: --
|
|
*/
|
|
LPSTR PRIVATE ShortSizeFormat(DWORD dw, LPSTR szBuf)
|
|
{
|
|
return(ShortSizeFormat64((__int64)dw, szBuf));
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Gets the file info given a path. If the path refers
|
|
to a directory, then simply the path field is filled.
|
|
|
|
If himl != NULL, then the function will add the file's
|
|
image to the provided image list and set the image index
|
|
field in the *ppfi.
|
|
|
|
Returns: standard hresult
|
|
Cond: --
|
|
*/
|
|
HRESULT PUBLIC FICreate(
|
|
LPCSTR pszPath,
|
|
FileInfo ** ppfi,
|
|
UINT uFlags)
|
|
{
|
|
HRESULT hres = ResultFromScode(E_OUTOFMEMORY);
|
|
int cchPath;
|
|
SHFILEINFO sfi;
|
|
UINT uInfoFlags = SHGFI_DISPLAYNAME | SHGFI_ATTRIBUTES;
|
|
DWORD dwAttr;
|
|
|
|
ASSERT(pszPath);
|
|
ASSERT(ppfi);
|
|
|
|
// Get shell file info
|
|
if (IsFlagSet(uFlags, FIF_ICON))
|
|
uInfoFlags |= SHGFI_ICON;
|
|
if (IsFlagSet(uFlags, FIF_DONTTOUCH))
|
|
{
|
|
uInfoFlags |= SHGFI_USEFILEATTRIBUTES;
|
|
|
|
// Today, FICreate is not called for folders, so this is ifdef'd out
|
|
#ifdef SUPPORT_FOLDERS
|
|
dwAttr = IsFlagSet(uFlags, FIF_FOLDER) ? FILE_ATTRIBUTE_DIRECTORY : 0;
|
|
#else
|
|
dwAttr = 0;
|
|
#endif
|
|
}
|
|
else
|
|
dwAttr = 0;
|
|
|
|
if (SHGetFileInfo(pszPath, dwAttr, &sfi, sizeof(sfi), uInfoFlags))
|
|
{
|
|
// Allocate enough for the structure, plus buffer for the fully qualified
|
|
// path and buffer for the display name (and extra null terminator).
|
|
cchPath = lstrlen(pszPath);
|
|
|
|
*ppfi = GAlloc(sizeof(FileInfo)+cchPath+1-sizeof((*ppfi)->szPath)+lstrlen(sfi.szDisplayName)+1);
|
|
if (*ppfi)
|
|
{
|
|
FileInfo * pfi = *ppfi;
|
|
|
|
pfi->pszDisplayName = pfi->szPath+cchPath+1;
|
|
lstrcpy(pfi->pszDisplayName, sfi.szDisplayName);
|
|
|
|
if (IsFlagSet(uFlags, FIF_ICON))
|
|
pfi->hicon = sfi.hIcon;
|
|
|
|
pfi->dwAttributes = sfi.dwAttributes;
|
|
|
|
// Does the path refer to a directory?
|
|
if (FIIsFolder(pfi))
|
|
{
|
|
// Yes; just fill in the path field
|
|
lstrcpy(pfi->szPath, pszPath);
|
|
hres = NOERROR;
|
|
}
|
|
else
|
|
{
|
|
// No; assume the file exists?
|
|
if (IsFlagClear(uFlags, FIF_DONTTOUCH))
|
|
{
|
|
// Yes; get the time, date and size of the file
|
|
HANDLE hfile = CreateFile(pszPath, GENERIC_READ,
|
|
FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
|
|
NULL);
|
|
|
|
if (hfile == INVALID_HANDLE_VALUE)
|
|
{
|
|
GFree(*ppfi);
|
|
*ppfi = NULL;
|
|
hres = ResultFromScode(E_HANDLE);
|
|
}
|
|
else
|
|
{
|
|
hres = NOERROR;
|
|
|
|
lstrcpy(pfi->szPath, pszPath);
|
|
pfi->dwSize = GetFileSize(hfile, NULL);
|
|
GetFileTime(hfile, NULL, NULL, &pfi->ftMod);
|
|
CloseHandle(hfile);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// No; use what we have
|
|
hres = NOERROR;
|
|
lstrcpy(pfi->szPath, pszPath);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (!WPPathExists(pszPath))
|
|
{
|
|
// Differentiate between out of memory and file not found
|
|
hres = E_FAIL;
|
|
}
|
|
|
|
return hres;
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Get some file info of the given path.
|
|
The returned string is of the format "# bytes <date>"
|
|
|
|
If the path is a folder, the string is empty.
|
|
|
|
Returns: FALSE if path is not found
|
|
Cond: --
|
|
*/
|
|
BOOL PUBLIC FIGetInfoString(
|
|
FileInfo * pfi,
|
|
LPSTR pszBuf,
|
|
int cchBuf)
|
|
{
|
|
BOOL bRet;
|
|
|
|
ASSERT(pfi);
|
|
ASSERT(pszBuf);
|
|
|
|
*pszBuf = NULL_CHAR;
|
|
|
|
if (pfi)
|
|
{
|
|
// Is this a file?
|
|
if ( !FIIsFolder(pfi) )
|
|
{
|
|
// Yes
|
|
char szSize[MAX_BUF_MED];
|
|
char szDate[MAX_BUF_MED];
|
|
char szTime[MAX_BUF_MED];
|
|
LPSTR pszMsg;
|
|
SYSTEMTIME st;
|
|
FILETIME ftLocal;
|
|
|
|
// Construct the string
|
|
FileTimeToLocalFileTime(&pfi->ftMod, &ftLocal);
|
|
FileTimeToSystemTime(&ftLocal, &st);
|
|
GetDateFormatA(LOCALE_USER_DEFAULT, DATE_LONGDATE, &st, NULL, szDate, sizeof(szDate));
|
|
GetTimeFormatA(LOCALE_USER_DEFAULT, 0, &st, NULL, szTime, sizeof(szTime));
|
|
|
|
if (ConstructMessage(&pszMsg, g_hinst, MAKEINTRESOURCE(IDS_DATESIZELINE),
|
|
ShortSizeFormat(FIGetSize(pfi), szSize), szDate, szTime))
|
|
{
|
|
lstrcpy(pszBuf, pszMsg);
|
|
GFree(pszMsg);
|
|
}
|
|
else
|
|
*pszBuf = 0;
|
|
|
|
bRet = TRUE;
|
|
}
|
|
else
|
|
bRet = FALSE;
|
|
}
|
|
else
|
|
bRet = FALSE;
|
|
|
|
return bRet;
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Set the path entry. This can move the pfi.
|
|
|
|
Returns: FALSE on out of memory
|
|
Cond: --
|
|
*/
|
|
BOOL PUBLIC FISetPath(
|
|
FileInfo ** ppfi,
|
|
LPCSTR pszPathNew,
|
|
UINT uFlags)
|
|
{
|
|
ASSERT(ppfi);
|
|
ASSERT(pszPathNew);
|
|
|
|
FIFree(*ppfi);
|
|
|
|
return SUCCEEDED(FICreate(pszPathNew, ppfi, uFlags));
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Free our file info struct
|
|
Returns: --
|
|
Cond: --
|
|
*/
|
|
void PUBLIC FIFree(
|
|
FileInfo * pfi)
|
|
{
|
|
if (pfi)
|
|
{
|
|
if (pfi->hicon)
|
|
DestroyIcon(pfi->hicon);
|
|
|
|
GFree(pfi); // This macro already checks for NULL pfi condition
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Convert FILETIME struct to a readable string
|
|
|
|
Returns: String
|
|
Cond: --
|
|
*/
|
|
void PUBLIC FileTimeToDateTimeString(
|
|
LPFILETIME pft,
|
|
LPSTR pszBuf,
|
|
int cchBuf)
|
|
{
|
|
SYSTEMTIME st;
|
|
FILETIME ftLocal;
|
|
|
|
FileTimeToLocalFileTime(pft, &ftLocal);
|
|
FileTimeToSystemTime(&ftLocal, &st);
|
|
GetDateFormatA(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st, NULL, pszBuf, cchBuf/2);
|
|
pszBuf += lstrlen(pszBuf);
|
|
*pszBuf++ = ' ';
|
|
GetTimeFormatA(LOCALE_USER_DEFAULT, TIME_NOSECONDS, &st, NULL, pszBuf, cchBuf/2);
|
|
}
|
|
|
|
#endif // NOFILEINFO
|
|
|
|
|
|
#ifndef NOSYNC
|
|
CRITICAL_SECTION g_csCommon = { 0 };
|
|
DEBUG_CODE( UINT g_cRefCommonCS = 0; )
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Waits for on object to signal. This function "does
|
|
the right thing" to prevent deadlocks which can occur
|
|
because the calculation thread calls SendMessage.
|
|
|
|
Returns: value of MsgWaitForMultipleObjects
|
|
Cond: --
|
|
*/
|
|
DWORD PUBLIC MsgWaitObjectsSendMessage(
|
|
DWORD cObjects,
|
|
LPHANDLE phObjects,
|
|
DWORD dwTimeout)
|
|
{
|
|
DWORD dwRet;
|
|
|
|
while (TRUE)
|
|
{
|
|
dwRet = MsgWaitForMultipleObjects(cObjects, phObjects, FALSE,
|
|
dwTimeout, QS_SENDMESSAGE);
|
|
|
|
// If it is not a message, return
|
|
if ((WAIT_OBJECT_0 + cObjects) != dwRet)
|
|
{
|
|
return dwRet;
|
|
}
|
|
else
|
|
{
|
|
// Process all the sent messages
|
|
MSG msg;
|
|
PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Initialize the critical section.
|
|
|
|
Returns: --
|
|
|
|
Cond: Note that critical sections differ between Win95
|
|
and NT. On Win95, critical sections synchronize
|
|
across processes. On NT, they are per-process.
|
|
*/
|
|
void PUBLIC Common_InitExclusive(void)
|
|
{
|
|
ReinitializeCriticalSection(&g_csCommon);
|
|
ASSERT(0 != *((LPDWORD)&g_csCommon));
|
|
|
|
#ifdef DEBUG
|
|
g_cRefCommonCS = 0;
|
|
#endif
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Enter a critical section
|
|
Returns: --
|
|
|
|
Cond: Note that critical sections differ between Win95
|
|
and NT. On Win95, critical sections synchronize
|
|
across processes. On NT, they are per-process.
|
|
*/
|
|
void PUBLIC Common_EnterExclusive(void)
|
|
{
|
|
EnterCriticalSection(&g_csCommon);
|
|
#ifdef DEBUG
|
|
g_cRefCommonCS++;
|
|
#endif
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Leave a critical section
|
|
Returns: --
|
|
|
|
Cond: Note that critical sections differ between Win95
|
|
and NT. On Win95, critical sections synchronize
|
|
across processes. On NT, they are per-process.
|
|
*/
|
|
void PUBLIC Common_LeaveExclusive(void)
|
|
{
|
|
#ifdef DEBUG
|
|
g_cRefCommonCS--;
|
|
#endif
|
|
LeaveCriticalSection(&g_csCommon);
|
|
}
|
|
|
|
#endif // NOSYNC
|
|
|
|
|
|
#ifndef NOMESSAGESTRING
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Load the string (if necessary) and format the string
|
|
properly.
|
|
|
|
Returns: A pointer to the allocated string containing the formatted
|
|
message or
|
|
NULL if out of memory
|
|
|
|
Cond: free pointer with LocalFree()
|
|
*/
|
|
LPSTR PUBLIC ConstructVMessageString(
|
|
HINSTANCE hinst,
|
|
LPCSTR pszMsg,
|
|
va_list *ArgList)
|
|
{
|
|
char szTemp[MAX_BUF];
|
|
LPSTR pszRet;
|
|
LPSTR pszRes;
|
|
|
|
if (HIWORD(pszMsg))
|
|
pszRes = (LPSTR)pszMsg;
|
|
else if (LOWORD(pszMsg) && LoadString(hinst, LOWORD(pszMsg), szTemp, sizeof(szTemp)))
|
|
pszRes = szTemp;
|
|
else
|
|
pszRes = NULL;
|
|
|
|
if (pszRes)
|
|
{
|
|
if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
|
|
pszRes, 0, 0, (LPTSTR)&pszRet, 0, ArgList))
|
|
{
|
|
pszRet = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Bad parameter
|
|
pszRet = NULL;
|
|
}
|
|
|
|
return pszRet; // free with LocalFree()
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Constructs a formatted string. The returned string
|
|
must be freed using GFree().
|
|
|
|
Returns: TRUE on success
|
|
|
|
Cond: Free pointer with GFree()
|
|
*/
|
|
BOOL PUBLIC ConstructMessage(
|
|
LPSTR * ppsz,
|
|
HINSTANCE hinst,
|
|
LPCSTR pszMsg, ...)
|
|
{
|
|
BOOL bRet;
|
|
LPSTR pszRet;
|
|
va_list ArgList;
|
|
|
|
va_start(ArgList, pszMsg);
|
|
|
|
pszRet = ConstructVMessageString(hinst, pszMsg, &ArgList);
|
|
|
|
va_end(ArgList);
|
|
|
|
*ppsz = NULL;
|
|
|
|
if (pszRet)
|
|
{
|
|
bRet = GSetString(ppsz, pszRet);
|
|
LocalFree(pszRet);
|
|
}
|
|
else
|
|
bRet = FALSE;
|
|
|
|
return bRet;
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Invoke a message box.
|
|
|
|
Returns: ID of button that terminated the dialog
|
|
Cond: --
|
|
*/
|
|
int PUBLIC MsgBox(
|
|
HINSTANCE hinst,
|
|
HWND hwndOwner,
|
|
LPCSTR pszText,
|
|
LPCSTR pszCaption,
|
|
HICON hicon, // May be NULL
|
|
DWORD dwStyle, ...)
|
|
{
|
|
int iRet = -1;
|
|
int ids;
|
|
char szCaption[MAX_BUF];
|
|
LPSTR pszRet;
|
|
va_list ArgList;
|
|
|
|
va_start(ArgList, dwStyle);
|
|
|
|
pszRet = ConstructVMessageString(hinst, pszText, &ArgList);
|
|
|
|
va_end(ArgList);
|
|
|
|
if (pszRet)
|
|
{
|
|
// Is pszCaption a resource ID?
|
|
if (0 == HIWORD(pszCaption))
|
|
{
|
|
// Yes; load it
|
|
ids = LOWORD(pszCaption);
|
|
SzFromIDS(hinst, ids, szCaption, sizeof(szCaption));
|
|
pszCaption = szCaption;
|
|
}
|
|
|
|
// Invoke dialog
|
|
if (pszCaption)
|
|
{
|
|
MSGBOXPARAMS mbp;
|
|
|
|
mbp.cbSize = sizeof(mbp);
|
|
mbp.hwndOwner = hwndOwner;
|
|
mbp.hInstance = hinst;
|
|
mbp.lpszText = pszRet;
|
|
mbp.lpszCaption = pszCaption;
|
|
mbp.dwStyle = dwStyle | MB_SETFOREGROUND;
|
|
mbp.lpszIcon = MAKEINTRESOURCE(hicon);
|
|
mbp.lpfnMsgBoxCallback = NULL;
|
|
mbp.dwLanguageId = LANG_NEUTRAL;
|
|
|
|
iRet = MessageBoxIndirect(&mbp);
|
|
}
|
|
LocalFree(pszRet);
|
|
}
|
|
|
|
return iRet;
|
|
}
|
|
|
|
#endif // NOMESSAGESTRING
|
|
|
|
|
|
#ifndef NODEBUGHELP
|
|
|
|
#ifdef DEBUG
|
|
|
|
// Globals
|
|
DWORD g_dwBreakFlags = 0;
|
|
DWORD g_dwDumpFlags = 0;
|
|
DWORD g_dwTraceFlags = 0;
|
|
|
|
|
|
#pragma data_seg(DATASEG_READONLY)
|
|
|
|
char const FAR c_szNewline[] = "\r\n";
|
|
char const FAR c_szTrace[] = "t " SZ_MODULE " ";
|
|
char const FAR c_szDbg[] = SZ_MODULE " ";
|
|
char const FAR c_szAssertFailed[] = SZ_MODULE " Assertion failed in %s on line %d\r\n";
|
|
|
|
#ifdef WANT_OLE_SUPPORT
|
|
struct _RIIDMAP
|
|
{
|
|
REFIID riid;
|
|
LPCSTR psz;
|
|
} const c_rgriidmap[] = {
|
|
{ &IID_IUnknown, "IID_IUnknown" },
|
|
{ &IID_IBriefcaseStg, "IID_IBriefcaseStg" },
|
|
{ &IID_IEnumUnknown, "IID_IEnumUnknown" },
|
|
{ &IID_IShellBrowser, "IID_IShellBrowser" },
|
|
{ &IID_IShellView, "IID_IShellView" },
|
|
{ &IID_IContextMenu, "IID_IContextMenu" },
|
|
{ &IID_IShellFolder, "IID_IShellFolder" },
|
|
{ &IID_IShellExtInit, "IID_IShellExtInit" },
|
|
{ &IID_IShellPropSheetExt, "IID_IShellPropSheetExt" },
|
|
{ &IID_IPersistFolder, "IID_IPersistFolder" },
|
|
{ &IID_IExtractIcon, "IID_IExtractIcon" },
|
|
{ &IID_IShellDetails, "IID_IShellDetails" },
|
|
{ &IID_IDelayedRelease, "IID_IDelayedRelease" },
|
|
{ &IID_IShellLink, "IID_IShellLink" },
|
|
};
|
|
#endif // WANT_OLE_SUPPORT
|
|
|
|
struct _SCODEMAP
|
|
{
|
|
SCODE sc;
|
|
LPCSTR psz;
|
|
} const c_rgscodemap[] = {
|
|
{ S_OK, "S_OK" },
|
|
{ S_FALSE, "S_FALSE" },
|
|
{ E_UNEXPECTED, "E_UNEXPECTED" },
|
|
{ E_NOTIMPL, "E_NOTIMPL" },
|
|
{ E_OUTOFMEMORY, "E_OUTOFMEMORY" },
|
|
{ E_INVALIDARG, "E_INVALIDARG" },
|
|
{ E_NOINTERFACE, "E_NOINTERFACE" },
|
|
{ E_POINTER, "E_POINTER" },
|
|
{ E_HANDLE, "E_HANDLE" },
|
|
{ E_ABORT, "E_ABORT" },
|
|
{ E_FAIL, "E_FAIL" },
|
|
{ E_ACCESSDENIED, "E_ACCESSDENIED" },
|
|
};
|
|
|
|
#pragma data_seg()
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Return English reason for the debug break
|
|
Returns: String
|
|
Cond: --
|
|
*/
|
|
LPCSTR PRIVATE GetReasonString(
|
|
DWORD flag) // One of BF_ flags
|
|
{
|
|
LPCSTR psz;
|
|
|
|
if (IsFlagSet(flag, BF_ONOPEN))
|
|
psz = "BREAK ON OPEN\r\n";
|
|
|
|
else if (IsFlagSet(flag, BF_ONCLOSE))
|
|
psz = "BREAK ON CLOSE\r\n";
|
|
|
|
else if (IsFlagSet(flag, BF_ONVALIDATE))
|
|
psz = "BREAK ON VALIDATION FAILURE\r\n";
|
|
|
|
else if (IsFlagSet(flag, BF_ONTHREADATT))
|
|
psz = "BREAK ON THREAD ATTACH\r\n";
|
|
|
|
else if (IsFlagSet(flag, BF_ONTHREADDET))
|
|
psz = "BREAK ON THREAD DETACH\r\n";
|
|
|
|
else if (IsFlagSet(flag, BF_ONPROCESSATT))
|
|
psz = "BREAK ON PROCESS ATTACH\r\n";
|
|
|
|
else if (IsFlagSet(flag, BF_ONPROCESSDET))
|
|
psz = "BREAK ON PROCESS DETACH\r\n";
|
|
|
|
else
|
|
psz = c_szNewline;
|
|
|
|
return psz;
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Perform a debug break based on the flag
|
|
Returns: --
|
|
Cond: --
|
|
*/
|
|
void PUBLIC CommonDebugBreak(
|
|
DWORD flag) // One of BF_ flags
|
|
{
|
|
if (IsFlagSet(g_dwBreakFlags, flag))
|
|
{
|
|
TRACE_MSG(TF_ALWAYS, GetReasonString(flag));
|
|
DebugBreak();
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Assert failed
|
|
Returns: --
|
|
Cond: --
|
|
*/
|
|
void PUBLIC CommonAssertFailed(
|
|
LPCSTR pszFile,
|
|
int line)
|
|
{
|
|
LPCSTR psz;
|
|
char ach[256];
|
|
|
|
// Strip off path info from filename string, if present.
|
|
//
|
|
for (psz = pszFile + lstrlen(pszFile); psz != pszFile; psz=AnsiPrev(pszFile, psz))
|
|
{
|
|
#ifdef DBCS
|
|
if ((AnsiPrev(pszFile, psz) != (psz-2)) && *(psz - 1) == '\\')
|
|
#else
|
|
if (*(psz - 1) == '\\')
|
|
#endif
|
|
break;
|
|
}
|
|
wsprintf(ach, c_szAssertFailed, psz, line);
|
|
OutputDebugString(ach);
|
|
|
|
if (IsFlagSet(g_dwBreakFlags, BF_ONVALIDATE))
|
|
DebugBreak();
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Assert failed message only
|
|
Returns: --
|
|
Cond: --
|
|
*/
|
|
void CPUBLIC CommonAssertMsg(
|
|
BOOL f,
|
|
LPCSTR pszMsg, ...)
|
|
{
|
|
char ach[MAX_PATH+40]; // Largest path plus extra
|
|
|
|
if (!f)
|
|
{
|
|
lstrcpy(ach, c_szTrace);
|
|
wvsprintf(&ach[sizeof(c_szTrace)-1], pszMsg, (va_list)(&pszMsg + 1));
|
|
OutputDebugString(ach);
|
|
OutputDebugString(c_szNewline);
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Debug spew
|
|
Returns: --
|
|
Cond: --
|
|
*/
|
|
void CPUBLIC CommonDebugMsg(
|
|
DWORD flag,
|
|
LPCSTR pszMsg, ...)
|
|
{
|
|
char ach[MAX_PATH+40]; // Largest path plus extra
|
|
|
|
if (TF_ALWAYS == flag || IsFlagSet(g_dwTraceFlags, flag))
|
|
{
|
|
lstrcpy(ach, c_szTrace);
|
|
wvsprintf(&ach[sizeof(c_szTrace)-1], pszMsg, (va_list)(&pszMsg + 1));
|
|
OutputDebugString(ach);
|
|
OutputDebugString(c_szNewline);
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef WANT_OLE_SUPPORT
|
|
/*----------------------------------------------------------
|
|
Purpose: Returns the string form of an known interface ID.
|
|
|
|
Returns: String ptr
|
|
Cond: --
|
|
*/
|
|
LPCSTR PUBLIC Dbg_GetRiidName(
|
|
REFIID riid)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_ELEMENTS(c_rgriidmap); i++)
|
|
{
|
|
if (IsEqualIID(riid, c_rgriidmap[i].riid))
|
|
return c_rgriidmap[i].psz;
|
|
}
|
|
return "Unknown riid";
|
|
}
|
|
#endif
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Returns the string form of an scode given an hresult.
|
|
|
|
Returns: String ptr
|
|
Cond: --
|
|
*/
|
|
LPCSTR PUBLIC Dbg_GetScode(
|
|
HRESULT hres)
|
|
{
|
|
int i;
|
|
SCODE sc;
|
|
|
|
sc = GetScode(hres);
|
|
for (i = 0; i < ARRAY_ELEMENTS(c_rgscodemap); i++)
|
|
{
|
|
if (sc == c_rgscodemap[i].sc)
|
|
return c_rgscodemap[i].psz;
|
|
}
|
|
return "Unknown scode";
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------
|
|
Purpose: Returns a string safe enough to print...and I don't
|
|
mean swear words.
|
|
|
|
Returns: String ptr
|
|
Cond: --
|
|
*/
|
|
LPCSTR PUBLIC Dbg_SafeStr(
|
|
LPCSTR psz)
|
|
{
|
|
if (psz)
|
|
return psz;
|
|
else
|
|
return "NULL";
|
|
}
|
|
|
|
#endif // DEBUG
|
|
|
|
#endif // NODEBUGHELP
|