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Fixed EM_LINEINDEX handler and added EM_LINEFROMCHAR handler.

This commit is contained in:
Phil Krylov 2005-07-06 11:12:10 +00:00 committed by Alexandre Julliard
parent 30ddf73954
commit 5067e0fc2a
3 changed files with 38 additions and 25 deletions
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35
dlls/riched20/editor.c
View File

@ -76,7 +76,7 @@
- EM_SETZOOM 3.0
- EM_HIDESELECTION
- EM_LIMITTEXT
- EM_LINEFROMCHAR
+ EM_LINEFROMCHAR
+ EM_LINEINDEX
- EM_LINELENGTH
+ EM_LINESCROLL
@ -914,7 +914,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
UNSUPPORTED_MSG(EM_GETZOOM)
UNSUPPORTED_MSG(EM_HIDESELECTION)
UNSUPPORTED_MSG(EM_LIMITTEXT) /* also known as EM_SETLIMITTEXT */
UNSUPPORTED_MSG(EM_LINEFROMCHAR)
UNSUPPORTED_MSG(EM_LINELENGTH)
UNSUPPORTED_MSG(EM_PASTESPECIAL)
/* UNSUPPORTED_MSG(EM_POSFROMCHARS) missing in Wine headers */
@ -1308,37 +1307,23 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
}
return max(1, nRows);
}
case EM_LINEFROMCHAR:
{
if (wParam == -1)
return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(editor, 1));
else
return ME_RowNumberFromCharOfs(editor, wParam);
}
case EM_EXLINEFROMCHAR:
{
ME_DisplayItem *item = editor->pBuffer->pFirst->next;
int nOffset;
int nRow = 0;
while (item && item->member.para.next_para->member.para.nCharOfs <= lParam)
{
nRow += item->member.para.nRows;
item = ME_FindItemFwd(item, diParagraph);
}
if (item)
{
nOffset = lParam - item->member.para.nCharOfs;
item = ME_FindItemFwd(item, diRun);
while ((item = ME_FindItemFwd(item, diStartRowOrParagraph)))
{
item = ME_FindItemFwd(item, diRun);
if (item->member.run.nCharOfs > nOffset)
break;
nRow++;
}
}
return nRow;
return ME_RowNumberFromCharOfs(editor, lParam);
}
case EM_LINEINDEX:
{
ME_DisplayItem *item, *para;
if (wParam == -1)
item = ME_FindItemBack(editor->pCursors[1].pRun, diStartRow);
item = ME_FindItemBack(editor->pCursors[0].pRun, diStartRow);
else
item = ME_FindRowWithNumber(editor, wParam);
if (!item)

1
dlls/riched20/editor.h
View File

@ -101,6 +101,7 @@ ME_DisplayItem *ME_RowStart(ME_DisplayItem *item);
ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item);
void ME_RenumberParagraphs(ME_DisplayItem *item); /* TODO */
ME_DisplayItem *ME_FindRowWithNumber(ME_TextEditor *editor, int nRow);
int ME_RowNumberFromCharOfs(ME_TextEditor *editor, int nOfs);
/* run.c */
ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags);

27
dlls/riched20/row.c
View File

@ -101,3 +101,30 @@ ME_FindRowWithNumber(ME_TextEditor *editor, int nRow)
item = ME_FindItemFwd(item, diStartRow);
return item;
}
int
ME_RowNumberFromCharOfs(ME_TextEditor *editor, int nOfs)
{
ME_DisplayItem *item = editor->pBuffer->pFirst->next;
int nRow = 0;
while (item && item->member.para.next_para->member.para.nCharOfs <= nOfs)
{
nRow += item->member.para.nRows;
item = ME_FindItemFwd(item, diParagraph);
}
if (item)
{
nOfs -= item->member.para.nCharOfs;
item = ME_FindItemFwd(item, diRun);
while ((item = ME_FindItemFwd(item, diStartRowOrParagraph)) != NULL)
{
item = ME_FindItemFwd(item, diRun);
if (item->member.run.nCharOfs > nOfs)
break;
nRow++;
}
}
return nRow;
}