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riched20: Use paragraph and run ptrs in the find text function. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2020-10-30 09:00:29 +00:00 committed by Alexandre Julliard
parent 0c9d5ebf5c
commit cdd507eb2b
1 changed files with 49 additions and 36 deletions
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85
dlls/riched20/editor.c
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@ -1928,11 +1928,11 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCH
while (cursor.pRun && ME_GetCursorOfs(&cursor) + nLen <= nMax)
{
ME_DisplayItem *pCurItem = cursor.pRun;
ME_Run *run = &cursor.pRun->member.run;
int nCurStart = cursor.nOffset;
int nMatched = 0;
while (pCurItem && ME_CharCompare( *get_text( &pCurItem->member.run, nCurStart + nMatched ), text[nMatched], (flags & FR_MATCHCASE)))
while (run && ME_CharCompare( *get_text( run, nCurStart + nMatched ), text[nMatched], (flags & FR_MATCHCASE)))
{
if ((flags & FR_WHOLEWORD) && iswalnum(wLastChar))
break;
@ -1940,21 +1940,21 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCH
nMatched++;
if (nMatched == nLen)
{
ME_DisplayItem *pNextItem = pCurItem;
ME_Run *next_run = run;
int nNextStart = nCurStart;
WCHAR wNextChar;
/* Check to see if next character is a whitespace */
if (flags & FR_WHOLEWORD)
{
if (nCurStart + nMatched == pCurItem->member.run.len)
if (nCurStart + nMatched == run->len)
{
pNextItem = ME_FindItemFwd(pCurItem, diRun);
next_run = run_next_all_paras( run );
nNextStart = -nMatched;
}
if (pNextItem)
wNextChar = *get_text( &pNextItem->member.run, nNextStart + nMatched );
if (next_run)
wNextChar = *get_text( next_run, nNextStart + nMatched );
else
wNextChar = ' ';
@ -1971,22 +1971,28 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCH
TRACE("found at %d-%d\n", cursor.nOffset, cursor.nOffset + nLen);
return cursor.nOffset;
}
if (nCurStart + nMatched == pCurItem->member.run.len)
if (nCurStart + nMatched == run->len)
{
pCurItem = ME_FindItemFwd(pCurItem, diRun);
run = run_next_all_paras( run );
nCurStart = -nMatched;
}
}
if (pCurItem)
wLastChar = *get_text( &pCurItem->member.run, nCurStart + nMatched );
if (run)
wLastChar = *get_text( run, nCurStart + nMatched );
else
wLastChar = ' ';
cursor.nOffset++;
if (cursor.nOffset == cursor.pRun->member.run.len)
{
ME_NextRun(&cursor.pPara, &cursor.pRun, TRUE);
cursor.nOffset = 0;
if (run_next_all_paras( &cursor.pRun->member.run ))
{
cursor.pRun = run_get_di( run_next_all_paras( &cursor.pRun->member.run ) );
cursor.pPara = para_get_di( cursor.pRun->member.run.para );
cursor.nOffset = 0;
}
else
cursor.pRun = NULL;
}
}
}
@ -2003,19 +2009,20 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCH
while (cursor.pRun && ME_GetCursorOfs(&cursor) - nLen >= nMin)
{
ME_DisplayItem *pCurItem = cursor.pRun;
ME_DisplayItem *pCurPara = cursor.pPara;
ME_Run *run = &cursor.pRun->member.run;
ME_Paragraph *para = &cursor.pPara->member.para;
int nCurEnd = cursor.nOffset;
int nMatched = 0;
if (nCurEnd == 0)
if (nCurEnd == 0 && run_prev_all_paras( run ))
{
ME_PrevRun(&pCurPara, &pCurItem, TRUE);
nCurEnd = pCurItem->member.run.len;
run = run_prev_all_paras( run );
para = run->para;
nCurEnd = run->len;
}
while (pCurItem && ME_CharCompare( *get_text( &pCurItem->member.run, nCurEnd - nMatched - 1 ),
text[nLen - nMatched - 1], (flags & FR_MATCHCASE) ))
while (run && ME_CharCompare( *get_text( run, nCurEnd - nMatched - 1 ),
text[nLen - nMatched - 1], (flags & FR_MATCHCASE) ))
{
if ((flags & FR_WHOLEWORD) && iswalnum(wLastChar))
break;
@ -2023,7 +2030,7 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCH
nMatched++;
if (nMatched == nLen)
{
ME_DisplayItem *pPrevItem = pCurItem;
ME_Run *prev_run = run;
int nPrevEnd = nCurEnd;
WCHAR wPrevChar;
int nStart;
@ -2033,22 +2040,18 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCH
{
if (nPrevEnd - nMatched == 0)
{
pPrevItem = ME_FindItemBack(pCurItem, diRun);
if (pPrevItem)
nPrevEnd = pPrevItem->member.run.len + nMatched;
prev_run = run_prev_all_paras( run );
if (prev_run) nPrevEnd = prev_run->len + nMatched;
}
if (pPrevItem)
wPrevChar = *get_text( &pPrevItem->member.run, nPrevEnd - nMatched - 1 );
else
wPrevChar = ' ';
if (prev_run) wPrevChar = *get_text( prev_run, nPrevEnd - nMatched - 1 );
else wPrevChar = ' ';
if (iswalnum(wPrevChar))
break;
}
nStart = pCurPara->member.para.nCharOfs
+ pCurItem->member.run.nCharOfs + nCurEnd - nMatched;
nStart = para->nCharOfs + run->nCharOfs + nCurEnd - nMatched;
if (chrgText)
{
chrgText->cpMin = nStart;
@ -2059,22 +2062,32 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCH
}
if (nCurEnd - nMatched == 0)
{
ME_PrevRun(&pCurPara, &pCurItem, TRUE);
if (run_prev_all_paras( run ))
{
run = run_prev_all_paras( run );
para = run->para;
}
/* Don't care about pCurItem becoming NULL here; it's already taken
* care of in the exterior loop condition */
nCurEnd = pCurItem->member.run.len + nMatched;
nCurEnd = run->len + nMatched;
}
}
if (pCurItem)
wLastChar = *get_text( &pCurItem->member.run, nCurEnd - nMatched - 1 );
if (run)
wLastChar = *get_text( run, nCurEnd - nMatched - 1 );
else
wLastChar = ' ';
cursor.nOffset--;
if (cursor.nOffset < 0)
{
ME_PrevRun(&cursor.pPara, &cursor.pRun, TRUE);
cursor.nOffset = cursor.pRun->member.run.len;
if (run_prev_all_paras( &cursor.pRun->member.run ) )
{
cursor.pRun = run_get_di( run_prev_all_paras( &cursor.pRun->member.run ) );
cursor.pPara = para_get_di( cursor.pRun->member.run.para );
cursor.nOffset = cursor.pRun->member.run.len;
}
else
cursor.pRun = NULL;
}
}
}