📄 findword.c
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__inline DWORD CheckMouseInCurWord(HDC hDC,
LPSTR szBuff,
int cbLen,
int x,
int y,
int FAR* lpDx,
int* lpLeft,
int nBegin, // = nPrevWord + 1
int nEnd,
int nCharType)
{
RECT StringRect;
GetStringRect(hDC, szBuff, nEnd + 1, x, y, &StringRect, lpDx);
StringRect.left = *lpLeft;
*lpLeft = StringRect.right;
if ( ((g_CurMousePos.x >= StringRect.left ) && (g_CurMousePos.x <= StringRect.right))
|| (g_CurMousePos.x == StringRect.left - 1)
|| (g_CurMousePos.x == StringRect.right + 1))
{
switch (nCharType)
{
case CHAR_TYPE_HZ:
case CHAR_TYPE_ASCII:
CopyWord(g_szCurWord, szBuff, nBegin, nEnd);
g_CurWordRect.left = StringRect.left;
g_CurWordRect.right = StringRect.right;
g_CurWordRect.top = StringRect.top;
g_CurWordRect.bottom = StringRect.bottom;
g_nCurCaretPlace = -1;
CalculateCaretPlace(hDC,
szBuff,
cbLen,
x,
y,
lpDx,
nBegin,
nEnd,
nCharType);
break;
case CHAR_TYPE_OTHER:
break;
}
AddToTotalWord(szBuff, cbLen, nBegin, nEnd, nCharType, StringRect, TRUE);
if ( (nCharType == CHAR_TYPE_OTHER)
&&(CalcCaretInThisPlace(g_CurMousePos.x, StringRect.right)))
{
#ifdef _DICTING_
return HAS_CURMOUSEWORD;
#else
return NO_CURMOUSEWORD;
#endif
}
return HAS_CURMOUSEWORD;
}
else
{
}
AddToTotalWord(szBuff, cbLen, nBegin, nEnd, nCharType, StringRect, FALSE);
return NO_CURMOUSEWORD;
}
// 用於计算指定位置在字串中的位置·
__inline DWORD CalculateCaretPlace(HDC hDC,
LPSTR szBuff,
int cbLen,
int x,
int y,
int FAR* lpDx,
int nBegin, // = nPrevWord + 1
int nEnd,
int nCharType)
{
RECT StringRect, BeginRect;
RECT CaretPrevRect, CaretNextRect;
// int itemWidth;
double itemWidth;
int TempPlace;
int i;
if ((nCharType == CHAR_TYPE_HZ) && (nBegin == nEnd))
{
g_nCurCaretPlace = -1;
return 0L;
}
GetStringRect(hDC, szBuff, nBegin, x, y, &BeginRect, lpDx);
GetStringRect(hDC, szBuff, nEnd + 1, x, y, &StringRect, lpDx);
StringRect.left = BeginRect.right;
if (StringRect.left == StringRect.right)
{
g_nCurCaretPlace = -1;
return 0L;
}
switch (nCharType)
{
case CHAR_TYPE_HZ:
///////////////////////////////////////////////////////////////////////
// 汉字处理部分·
// 由於汉字都是等宽的字符，因此对於汉字的计算是通过计算
// 平均宽度来实现的·
// itemWidth = (StringRect.right - StringRect.left) / (nEnd - nBegin + 1);
/////////////////////////////////////////////////////////////////
// Modify by GY
// Ver0.036 074号 bug.
// 主要是由於在进行类型转换中有误·
itemWidth = ((double)StringRect.right - (double)StringRect.left + 1) / ((double)nEnd - (double)nBegin + 1);
// Modify end
////////////////////////////////////////////////////////////////////
// g_nCurCaretPlace = (g_CurMousePos.x - StringRect.left) * (nEnd - nBegin + 1) / (StringRect.right - StringRect.left);
for (i = 0; i <= (nEnd - nBegin + 1); i++)
{
if (CalcCaretInThisPlace(g_CurMousePos.x, (double)((double)StringRect.left + (double)(itemWidth * i))))
{
g_nCurCaretPlace = i;
i = nEnd - nBegin + 2;
}
}
break;
//
///////////////////////////////////////////////////////////////////////
case CHAR_TYPE_ASCII:
// 由於英文字符为不等宽字符· 按以下步骤来计算的：
// 1. 按等宽计算一个相对位置·
// 2. 计算该相对位置的的绝对位置·
// 3. 若在该位置，返回·
// 4. 若该绝对长小於相对位置乘以宽，转6
// 5. 向右计算·
// 6. 向左计算·
// 1. 按等宽计算一个相对位置·
// 计算宽度·
itemWidth = (StringRect.right - StringRect.left + 1) / (nEnd - nBegin + 1);
// 计算位置·
TempPlace = (g_CurMousePos.x - StringRect.left) * (nEnd - nBegin + 1) / (StringRect.right - StringRect.left);
// 2. 计算该相对位置的的绝对位置·
GetStringRect(hDC, szBuff, TempPlace, x, y, &CaretPrevRect, lpDx);
GetStringRect(hDC, szBuff, TempPlace + 1, x, y, &CaretNextRect, lpDx);
// 3. 若在该位置，返回·
if (CalcCaretInThisPlace(g_CurMousePos.x, CaretPrevRect.right))
{
g_nCurCaretPlace = TempPlace - nBegin;
break;
}
if (CalcCaretInThisPlace(g_CurMousePos.x, CaretNextRect.right))
{
g_nCurCaretPlace = TempPlace - nBegin + 1;
break;
}
// 4. 若该绝对长小於相对位置乘以宽，转6
if (g_CurMousePos.x > CaretNextRect.right)
{
// 5. 向右计算·
GetEngLishCaretPlace(hDC,
szBuff,
x,
y,
lpDx,
nBegin, // = nPrevWord + 1
nEnd,
TempPlace,
RIGHT);
}
else
{
// 6. 向左计算·
GetEngLishCaretPlace(hDC,
szBuff,
x,
y,
lpDx,
nBegin, // = nPrevWord + 1
nEnd,
TempPlace,
LEFT);
}
break;
}
return 0L;
}
__inline DWORD GetEngLishCaretPlace(HDC hDC,
LPSTR szBuff,
int x,
int y,
int FAR* lpDx,
int nBegin, // = nPrevWord + 1
int nEnd,
int TempPlace,
int turnto)
{
int i;
RECT CaretPrevRect, CaretNextRect;
if (turnto == RIGHT)
{
i = TempPlace;
GetStringRect(hDC, szBuff, i, x, y, &CaretPrevRect, lpDx);
for (i = TempPlace; i <= nEnd; i++)
{
GetStringRect(hDC, szBuff, i + 1, x, y, &CaretNextRect, lpDx);
if (CalcCaretInThisPlace(g_CurMousePos.x, CaretPrevRect.right))
{
g_nCurCaretPlace = i - nBegin;
return 0;
}
if (CalcCaretInThisPlace(g_CurMousePos.x, CaretNextRect.right))
{
g_nCurCaretPlace = i - nBegin + 1;
return 0;
}
CopyRect(&CaretPrevRect, &CaretNextRect);
}
g_nCurCaretPlace = nEnd - nBegin + 1;
}
else
{
i = TempPlace;
GetStringRect(hDC, szBuff, i + 1, x, y, &CaretNextRect, lpDx);
for (i = TempPlace; i >= nBegin; i--)
{
GetStringRect(hDC, szBuff, i, x, y, &CaretPrevRect, lpDx);
if (CalcCaretInThisPlace(g_CurMousePos.x, CaretPrevRect.right))
{
g_nCurCaretPlace = i - nBegin;
return 0;
}
if (CalcCaretInThisPlace(g_CurMousePos.x, CaretNextRect.right))
{
g_nCurCaretPlace = i - nBegin + 1;
return 0;
}
CopyRect(&CaretNextRect, &CaretPrevRect);
}
g_nCurCaretPlace = nBegin - nBegin;
}
return 0;
}
//BOOL CalcCaretInThisPlace(int CaretX, int nPlace)
BOOL CalcCaretInThisPlace(int CaretX, double nPlace)
{
if (((double)CaretX >= nPlace - 3)&&((double)CaretX <= nPlace + 1))
{
return TRUE;
}
return FALSE;
}
// Get current Chinese char that under the mouse cursor.
// 1. 2
// mouse place : | |
// chinese char: 英业达 英业达
// return place: | |
__inline int GetHZBeginPlace(LPSTR lpszHzBuff, int nBegin, int nEnd, LPRECT lpStringRect)
{
int itemWidth;
int nReturn;
itemWidth = (lpStringRect->right - lpStringRect->left + 1) / (nEnd - nBegin + 1);
// nReturn = (g_CurMousePos.x - lpStringRect->left) / itemWidth;
nReturn = (g_CurMousePos.x - lpStringRect->left) * (nEnd - nBegin + 1) / (lpStringRect->right - lpStringRect->left);
if (nReturn == 0)
return nBegin;
if (nReturn % 2 == 1)
{
lpStringRect->left = lpStringRect->left + (nReturn - 1) * itemWidth;
return nBegin + nReturn - 1;
}
lpStringRect->left = lpStringRect->left + nReturn * itemWidth;
return (nBegin + nReturn);
}
//=========================================================
//
// FUNCTION: void AddToTotalWord(LPSTR, int, int, int, int, RECT, BOOL);
//
// PURPOSE: 用於将多次文本输出的单词合并为一个完整单词·
//
// PARAMETER:
//
// LPSTR : 由 TextOut 或 ExtTextOut 函数传递的字符串·
// int : 字符串长·
// int : 由切词程序处理後的单词在串中的起始位置·( 0 代表串的第一字节 )
// int : 由切词程序处理後的单词在串中的结束位置·( 0 代表串的第一字节 )
// int : 代表由 nBegin, nEnd 指定的单词的性质 ( 中文／英文／其他字符)
// RECT : 代表由 nBegin, nEnd 指定的单词的区域·
// BOOL : 用於判断当前鼠标位置是否在该单词中·
//
// COMMENTS:
//
//
//=========================================================
_inline void AddToTotalWord(LPSTR szBuff,
int cbLen,
int nBegin,
int nEnd,
int nCharType,
RECT StringRect,
BOOL bInCurWord)
{
int nPos = 0 ; //temp variable
if ((nCharType == CHAR_TYPE_OTHER) && (!g_bMouseInTotalWord))
{
// 处理串开始为空格的情况·
g_szTotalWord[0] = 0x00;
g_CharType = nCharType;
g_bMouseInTotalWord = FALSE;
return;
}
//Added by XGL, see GetCurWordEnd for reasons
if (((BYTE)(szBuff[nBegin]) >= 0xa1 && (BYTE)(szBuff[nBegin]) <= 0xa9)
&& (!g_bMouseInTotalWord))
{
// 处理串开始为空格的情况·
g_szTotalWord[0] = 0x00;
g_CharType = CHAR_TYPE_HZ;
g_bMouseInTotalWord = FALSE;
return;
}
if ((g_szTotalWord[0] == 0x00)&&(nCharType != CHAR_TYPE_OTHER))
{
// 如果完整词缓冲区为空，并且单词为中文或英文，
// 拷贝字符串·
CopyWord(g_szTotalWord, szBuff, nBegin, nEnd);
g_TotalWordRect.left = StringRect.left;
g_TotalWordRect.right = StringRect.right;
g_TotalWordRect.top = StringRect.top;
g_TotalWordRect.bottom = StringRect.bottom;
g_CharType = nCharType;
if (bInCurWord)
{
g_bMouseInTotalWord = TRUE;
//Added by XGL, Sep 17th, 1998
//When the word pointed to by mouse was got,
//attain it's char-type.
g_nPhraseCharType = nCharType ;
g_nWordsInPhrase++ ;
//Adding ends.
//Added by XGL, Sep 29th, 1998
g_rcFirstWordRect.left = StringRect.left;
g_rcFirstWordRect.right = StringRect.right;
g_rcFirstWordRect.top = StringRect.top;
g_rcFirstWordRect.bottom = StringRect.bottom;
//Adding ends.
}
else
{
g_bMouseInTotalWord = FALSE;
}
g_nCurCaretPlaceInTotalWord = -1;
if (g_nCurCaretPlace != -1)
{
g_nCurCaretPlaceInTotalWord = g_nCurCaretPlace;
}
return;
}
if (!g_bMouseInTotalWord)
{
// Added by XGL
//(nCharType == CHAR_TYPE_OTHER) && (!g_bMouseInTotalWord)
//See the line above. How can conditions
//in the following line happen.
//Adding ends.
/* if ((nCharType == CHAR_TYPE_OTHER)&&(g_CharType != nCharType))
{
// Clear buffer.
g_szTotalWord[0] = 0x00;
g_CharType = CHAR_TYPE_OTHER;
g_bMouseInTotalWord = FALSE;
g_nCurCaretPlaceInTotalWord = -1;
if (g_nCurCaretPlace != -1)
{
g_nCurCaretPlaceInTotalWord = g_nCurCaretPlace;
}
return;
}
*/
if (g_CharType != nCharType)
{
CopyWord(g_szTotalWord, szBuff, nBegin, nEnd);
g_TotalWordRect.left = StringRect.left;
g_TotalWordRect.right = StringRect.right;
g_TotalWordRect.top = StringRect.top;
g_TotalWordRect.bottom = StringRect.bottom;
g_CharType = nCharType;
if (bInCurWord)
{
g_bMouseInTotalWord = TRUE;
//Added by XGL, Sep 17th, 1998
//When the word pointed to by mouse was got,
//attain it's char-type.
g_nPhraseCharType = nCharType ;
g_nWordsInPhrase++ ;
//Adding ends.
//Added by XGL, Sep 29th, 1998
g_rcFirstWordRect.left = StringRect.left;
g_rcFirstWordRect.right = StringRect.right;
g_rcFirstWordRect.top = StringRect.top;
g_rcFirstWordRect.bottom = StringRect.bottom;
//Adding ends.
}
else
{
g_bMouseInTotalWord = FALSE;
}
g_nCurCaretPlaceInTotalWord = -1;
if (g_nCurCaretPlace != -1)
{
g_nCurCaretPlaceInTotalWord = g_nCurCaretPlace;
}
return;
}
}
//Added by XGL
//g_bMouseInTotalWord == FALSE && g_CharType != nCharType
//has been dealed with.
//Adding ends.
if ((g_CharType != nCharType))
{
/* if (bInCurWord)
{
//Added by XGL
//How can this condition happen
//Adding ends.
if (!g_bMouseInTotalWord)
{
CopyWord(g_szTotalWord, szBuff, nBegin, nEnd);
g_TotalWordRect.left = StringRect.left;
g_TotalWordRect.right = StringRect.right;
g_TotalWordRect.top = StringRect.top;
g_TotalWordRect.bottom = StringRect.bottom;
g_CharType = nCharType;
g_bMouseInTotalWord = TRUE;
g_nCurCaretPlaceInTotalWord = g_nCurCaretPlace;
}
}
*/
//Added by XGL
//now, g_bMouseInTotalWord == TRUE
//let space char go through since we want to get phrase
if ( ((nCharType == CHAR_TYPE_OTHER) && (szBuff[nBegin] == ' '))
|| ((nCharType != CHAR_TYPE_OTHER)
&& (g_nPhraseCharType == nCharType)) )
{
//Modified by XGL, don't allow space char in Chinese
// if ( g_bPhraseNeeded
// &&(g_nWordsInPhrase > MIN_WORDS_IN_PHRASE)
// &&(g_nWordsInPhrase < MAX_WORDS_IN_PHRASE) )
if ( g_bPhraseNeeded
&&(g_nWordsInPhrase > MIN_WORDS_IN_PHRASE)
&&(g_nWordsInPhrase < MAX_WORDS_IN_PHRASE)
&&(!(g_szTotalWord[0] < 0 && szBuff[nBegin] == ' ')) )
{
}
else
{
g_nWordsInPhrase = MAX_WORDS_IN_PHRASE + 1 ;
return;
}
}
else
{
g_nWordsInPhrase = MAX_WORDS_IN_PHRASE + 1 ;
return;
}
//Adding ends.
}
/* //Added by XGL, Sep 17th, 1998
if ( g_bMouseInTotalWord && g_bPhraseNeeded
&& (strlen(g_szTotalWord) > MAX_WORDS_IN_PHRASE * 2)
&& (g_nPhraseCharType == CHAR_TYPE_HZ) )
{
//We cann't count Chinese words using space char
//so g_nWordsInPhrase is useless now
g_nWordsInPhrase = MAX_WORDS_IN_PHRASE + 1 ;
}
//Adding ends.
*/
if ( ((UINT)(StringRect.left - g_TotalWordRect.right) <= (UINT)SEPERATOR)
&&(abs((int)(StringRect.bottom - g_TotalWordRect.bottom)) <= SEPERATOR))
{
//Added by XGL, see GetCurWordEnd for reasons. Nov 13th, 1998.
if ((BYTE)(szBuff[nBegin]) >= 0xa1
&& (BYTE)(szBuff[nBegin]) <= 0xa9)
{
return;
}
//Adding ends. XGL, Nov 13th, 1998.
//Added by XGL, Sep 17th, 1998
if (g_bMouseInTotalWord && g_bPhraseNeeded
&& (g_nWordsInPhrase > MIN_WORDS_IN_PHRASE)
&& (g_nWordsInPhrase < MAX_WORDS_IN_PHRASE)
&& (szBuff[nBegin] == ' '))
{
//other chars between nBegin and nEnd must be space
nPos = nBegin ;
while (szBuff[nPos] == ' ' && nPos <= nEnd)
{
nPos++ ;
}
//Modified by XGL, Nov 11th, 1998
//We allow just one space between words of a phrase
//if (nPos <= nEnd)
if (nPos <= nEnd || nPos - nBegin > 1)
{
//stop get word
g_nWordsInPhrase = MAX_WORDS_IN_PHRASE + 1 ;
}
else
{
g_nWordsInPhrase++ ;
}
}
if (g_nWordsInPhrase >= MAX_WORDS_IN_PHRASE)
{
//enough words, no need to do more work
return ;
}
//Adding ends.
if ((g_nCurCaretPlace != -1)&&(g_nCurCaretPlaceInTotalWord == -1))
{
g_nCurCaretPlaceInTotalWord = strlen(g_szTotalWord) + g_nCurCaretPlace;
}
CopyWord(g_szTotalWord + strlen(g_szTotalWord), szBuff, nBegin, nEnd);
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