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richedit: Rewrote FindPixelPos so that it always return something. 

Made the function static as well.
This commit is contained in:
Eric Pouech 2008-01-01 22:05:05 +01:00 committed by Alexandre Julliard
parent d319033a97
commit e9be142d78
3 changed files with 58 additions and 78 deletions
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131
dlls/riched20/caret.c
View File

@ -704,102 +704,83 @@ int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor)
+ pCursor->pRun->member.run.nCharOfs + pCursor->nOffset;
}
int ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor *result, BOOL *is_eol)
static void ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor *result, BOOL *is_eol)
{
ME_DisplayItem *p = editor->pBuffer->pFirst->member.para.next_para;
ME_DisplayItem *last = NULL;
int rx = 0;
if (is_eol)
*is_eol = 0;
while(p != editor->pBuffer->pLast)
/* find paragraph */
for (; p != editor->pBuffer->pLast; p = p->member.para.next_para)
{
if (p->type == diParagraph)
assert(p->type == diParagraph);
if (y < p->member.para.nYPos + p->member.para.nHeight)
{
int ry = y - p->member.para.nYPos;
if (ry < 0)
{
result->pRun = ME_FindItemFwd(p, diRun);
result->nOffset = 0;
return 0;
}
if (ry >= p->member.para.nHeight)
{
p = p->member.para.next_para;
continue;
}
y -= p->member.para.nYPos;
p = ME_FindItemFwd(p, diStartRow);
y = ry;
continue;
break;
}
if (p->type == diStartRow)
}
/* find row */
for (; p != editor->pBuffer->pLast; )
{
ME_DisplayItem *pp;
assert(p->type == diStartRow);
if (y < p->member.row.nYPos + p->member.row.nHeight)
{
int ry = y - p->member.row.nYPos;
if (ry < 0)
return 0;
if (ry >= p->member.row.nHeight)
{
p = ME_FindItemFwd(p, diStartRowOrParagraphOrEnd);
if (p->type != diStartRow)
return 0;
continue;
}
p = ME_FindItemFwd(p, diRun);
continue;
p = ME_FindItemFwd(p, diRun);
break;
}
if (p->type == diRun)
pp = ME_FindItemFwd(p, diStartRowOrParagraphOrEnd);
if (pp->type != diStartRow)
{
ME_DisplayItem *pp;
p = ME_FindItemFwd(p, diRun);
break;
}
p = pp;
}
for (; p != editor->pBuffer->pLast; p = p->next)
{
switch (p->type)
{
case diRun:
rx = x - p->member.run.pt.x;
if (rx < 0)
rx = 0;
if (rx >= p->member.run.nWidth) /* not this run yet... find next item */
if (rx < p->member.run.nWidth)
{
pp = p;
do {
p = p->next;
if (p->type == diRun)
{
rx = x - p->member.run.pt.x;
goto continue_search;
}
if (p->type == diStartRow)
{
p = ME_FindItemFwd(p, diRun);
if (is_eol)
*is_eol = 1;
rx = 0; /* FIXME not sure */
goto found_here;
}
if (p->type == diParagraph || p->type == diTextEnd)
{
rx = 0; /* FIXME not sure */
p = pp;
goto found_here;
}
} while(1);
continue;
found_here:
assert(p->type == diRun);
if ((p->member.run.nFlags & MERF_ENDPARA) || rx < 0)
rx = 0;
result->pRun = p;
result->nOffset = ME_CharFromPointCursor(editor, rx, &p->member.run);
if (editor->pCursors[0].nOffset == p->member.run.strText->nLen && rx)
{
result->pRun = ME_FindItemFwd(editor->pCursors[0].pRun, diRun);
result->nOffset = 0;
}
return;
}
found_here:
if (p->member.run.nFlags & MERF_ENDPARA)
rx = 0;
result->pRun = p;
result->nOffset = ME_CharFromPointCursor(editor, rx, &p->member.run);
if (editor->pCursors[0].nOffset == p->member.run.strText->nLen && rx)
{
result->pRun = ME_FindItemFwd(editor->pCursors[0].pRun, diRun);
result->nOffset = 0;
}
return 1;
break;
case diStartRow:
p = ME_FindItemFwd(p, diRun);
if (is_eol) *is_eol = 1;
rx = 0; /* FIXME not sure */
goto found_here;
case diParagraph:
case diTextEnd:
rx = 0; /* FIXME not sure */
p = last;
goto found_here;
default: assert(0);
}
assert(0);
continue_search:
;
last = p;
}
result->pRun = ME_FindItemBack(p, diRun);
result->nOffset = 0;
assert(result->pRun->member.run.nFlags & MERF_ENDPARA);
return 0;
}

1
dlls/riched20/editor.h
View File

@ -181,7 +181,6 @@ void ME_SelectWord(ME_TextEditor *editor);
void ME_HideCaret(ME_TextEditor *ed);
void ME_ShowCaret(ME_TextEditor *ed);
void ME_MoveCaret(ME_TextEditor *ed);
int ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor *result, BOOL *is_eol);
int ME_CharFromPos(ME_TextEditor *editor, int x, int y);
void ME_LButtonDown(ME_TextEditor *editor, int x, int y);
void ME_MouseMove(ME_TextEditor *editor, int x, int y);

4
dlls/riched20/wrap.c
View File

@ -354,8 +354,8 @@ static void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp, DWORD begino
wc.context = c;
/* wc.para_style = tp->member.para.style; */
wc.style = NULL;
wc.nFirstMargin = ME_twips2points(c, tp->member.para.pFmt->dxStartIndent, dpi) + beginofs
wc.nLeftMargin = wc.nFirstMargin + ME_twips2points(c, tp->member.para.pFmt->dxOffset, dpi) + beginofs
wc.nFirstMargin = ME_twips2points(c, tp->member.para.pFmt->dxStartIndent, dpi) + beginofs;
wc.nLeftMargin = wc.nFirstMargin + ME_twips2points(c, tp->member.para.pFmt->dxOffset, dpi) + beginofs;
wc.nRightMargin = ME_twips2points(c, tp->member.para.pFmt->dxRightIndent, dpi);
wc.nRow = 0;
wc.pt.x = 0;