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richedit: Replace offsets arg with ME_Cursor for ME_InternalDeleteText. 

Offsets are still used within the function, but this patch reduces the
use of it at the entry to the function.
This commit is contained in:
Dylan Smith 2009-08-13 08:44:18 -04:00 committed by Alexandre Julliard
parent 8f0dfaba30
commit bd4704280d
6 changed files with 62 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
dlls/riched20/caret.c
View File

@ -281,23 +281,22 @@ void ME_HideCaret(ME_TextEditor *ed)
}
}
BOOL ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars,
BOOL bForce)
BOOL ME_InternalDeleteText(ME_TextEditor *editor, ME_Cursor *start,
int nChars, BOOL bForce)
{
ME_Cursor c;
ME_Cursor c = *start;
int nOfs = ME_GetCursorOfs(start);
int shift = 0;
int totalChars = nChars;
ME_DisplayItem *start_para;
/* Prevent deletion past last end of paragraph run. */
nChars = min(nChars, ME_GetTextLength(editor) - nOfs);
ME_CursorFromCharOfs(editor, nOfs, &c);
start_para = c.pPara;
if (!bForce)
{
ME_ProtectPartialTableDeletion(editor, nOfs, &nChars);
ME_ProtectPartialTableDeletion(editor, &c, &nChars);
if (nChars == 0)
return FALSE;
}
@ -444,11 +443,11 @@ BOOL ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars,
}
BOOL ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, int nChars)
{
{
assert(nCursor>=0 && nCursor<editor->nCursors);
/* text operations set modified state */
editor->nModifyStep = 1;
return ME_InternalDeleteText(editor, ME_GetCursorOfs(&editor->pCursors[nCursor]),
return ME_InternalDeleteText(editor, &editor->pCursors[nCursor],
nChars, FALSE);
}

65
dlls/riched20/editor.c
View File

@ -1015,7 +1015,8 @@ void ME_RTFSpecialCharHook(RTF_Info *info)
info->editor->pCursors[1].nOffset = 0;
nOfs = ME_GetCursorOfs(&info->editor->pCursors[1]);
nChars = ME_GetCursorOfs(&info->editor->pCursors[0]) - nOfs;
ME_InternalDeleteText(info->editor, nOfs, nChars, TRUE);
ME_InternalDeleteText(info->editor, &info->editor->pCursors[1],
nChars, TRUE);
}
para = ME_InsertTableRowEndFromCursor(info->editor);
@ -1389,15 +1390,18 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
int nEventMask = editor->nEventMask;
ME_InStream inStream;
BOOL invalidRTF = FALSE;
ME_Cursor *selStart, *selEnd;
TRACE("stream==%p editor==%p format==0x%X\n", stream, editor, format);
editor->nEventMask = 0;
ME_GetSelectionOfs(editor, &from, &to);
if ((format & SFF_SELECTION) && (editor->mode & TM_RICHTEXT)) {
if (format & SFF_SELECTION && editor->mode & TM_RICHTEXT)
{
ME_GetSelection(editor, &selStart, &selEnd);
style = ME_GetSelectionInsertStyle(editor);
ME_InternalDeleteText(editor, from, to-from, FALSE);
ME_InternalDeleteText(editor, selStart, to - from, FALSE);
/* Don't insert text at the end of the table row */
if (!editor->bEmulateVersion10) { /* v4.1 */
@ -1422,12 +1426,12 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
ME_IsInTable(editor->pCursors[0].pRun))
return 0;
}
}
else {
} else {
style = editor->pBuffer->pDefaultStyle;
ME_AddRefStyle(style);
ME_SetSelection(editor, 0, 0);
ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
ME_InternalDeleteText(editor, &editor->pCursors[1],
ME_GetTextLength(editor), FALSE);
from = to = 0;
ME_ClearTempStyle(editor);
ME_SetDefaultParaFormat(editor->pCursors[0].pPara->member.para.pFmt);
@ -1518,7 +1522,7 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
editor->pCursors[1].nOffset = 0;
nOfs = ME_GetCursorOfs(&editor->pCursors[1]);
nChars = ME_GetCursorOfs(&editor->pCursors[0]) - nOfs;
ME_InternalDeleteText(editor, nOfs, nChars, TRUE);
ME_InternalDeleteText(editor, &editor->pCursors[1], nChars, TRUE);
if (parser.tableDef)
parser.tableDef->tableRowStart = NULL;
}
@ -1544,17 +1548,18 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
are converted according to the standard rules: \r for 2.0, \r\n for 1.0
*/
if (stripLastCR) {
int newfrom, newto;
ME_GetSelectionOfs(editor, &newfrom, &newto);
int newto;
ME_GetSelection(editor, &selStart, &selEnd);
newto = ME_GetCursorOfs(selEnd);
if (newto > to + (editor->bEmulateVersion10 ? 1 : 0)) {
WCHAR lastchar[3] = {'\0', '\0'};
int linebreakSize = editor->bEmulateVersion10 ? 2 : 1;
ME_Cursor linebreakCursor;
ME_Cursor linebreakCursor = *selEnd;
ME_CursorFromCharOfs(editor, newto - linebreakSize, &linebreakCursor);
ME_MoveCursorChars(editor, &linebreakCursor, -linebreakSize);
ME_GetTextW(editor, lastchar, 2, &linebreakCursor, linebreakSize, 0);
if (lastchar[0] == '\r' && (lastchar[1] == '\n' || lastchar[1] == '\0')) {
ME_InternalDeleteText(editor, newto - linebreakSize, linebreakSize, FALSE);
ME_InternalDeleteText(editor, &linebreakCursor, linebreakSize, FALSE);
}
}
}
@ -2284,7 +2289,7 @@ ME_KeyDown(ME_TextEditor *editor, WORD nKey)
result = ME_Copy(editor, selStart, nChars);
if (result && nKey == 'X')
{
ME_InternalDeleteText(editor, nOfs, nChars, FALSE);
ME_InternalDeleteText(editor, selStart, nChars, FALSE);
ME_CommitUndo(editor);
ME_UpdateRepaint(editor);
}
@ -3222,11 +3227,13 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
bSelection = (pStruct->flags & ST_SELECTION) != 0;
if (bSelection) {
ME_GetSelectionOfs(editor, &from, &to);
int nStartCursor = ME_GetSelectionOfs(editor, &from, &to);
style = ME_GetSelectionInsertStyle(editor);
ME_InternalDeleteText(editor, from, to - from, FALSE);
ME_InternalDeleteText(editor, &editor->pCursors[nStartCursor], to - from, FALSE);
} else {
ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
ME_Cursor start;
ME_SetCursorToStart(editor, &start);
ME_InternalDeleteText(editor, &start, ME_GetTextLength(editor), FALSE);
style = editor->pBuffer->pDefaultStyle;
}
@ -3417,23 +3424,23 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
case WM_CLEAR:
{
int from, to;
ME_GetSelectionOfs(editor, &from, &to);
ME_InternalDeleteText(editor, from, to-from, FALSE);
int nStartCursor = ME_GetSelectionOfs(editor, &from, &to);
ME_InternalDeleteText(editor, &editor->pCursors[nStartCursor], to-from, FALSE);
ME_CommitUndo(editor);
ME_UpdateRepaint(editor);
return 0;
}
case EM_REPLACESEL:
{
int from, to;
int from, to, nStartCursor;
ME_Style *style;
LPWSTR wszText = lParam ? ME_ToUnicode(unicode, (void *)lParam) : NULL;
size_t len = wszText ? lstrlenW(wszText) : 0;
TRACE("EM_REPLACESEL - %s\n", debugstr_w(wszText));
ME_GetSelectionOfs(editor, &from, &to);
nStartCursor = ME_GetSelectionOfs(editor, &from, &to);
style = ME_GetSelectionInsertStyle(editor);
ME_InternalDeleteText(editor, from, to-from, FALSE);
ME_InternalDeleteText(editor, &editor->pCursors[nStartCursor], to-from, FALSE);
ME_InsertTextFromCursor(editor, 0, wszText, len, style);
ME_ReleaseStyle(style);
/* drop temporary style if line end */
@ -3482,8 +3489,9 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
}
case WM_SETTEXT:
{
ME_Cursor updateLinksStart;
ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
ME_Cursor cursor;
ME_SetCursorToStart(editor, &cursor);
ME_InternalDeleteText(editor, &cursor, ME_GetTextLength(editor), FALSE);
if (lParam)
{
TRACE("WM_SETTEXT lParam==%lx\n",lParam);
@ -3517,8 +3525,8 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
}
else
TRACE("WM_SETTEXT - NULL\n");
ME_SetCursorToStart(editor, &updateLinksStart);
ME_UpdateLinkAttribute(editor, &updateLinksStart, INT_MAX);
ME_SetCursorToStart(editor, &cursor);
ME_UpdateLinkAttribute(editor, &cursor, INT_MAX);
ME_SetSelection(editor, 0, 0);
editor->nModifyStep = 0;
ME_CommitUndo(editor);
@ -3541,14 +3549,13 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
case WM_CUT:
case WM_COPY:
{
int nOfs, nChars;
int nStartCur = ME_GetSelectionOfs(editor, &nOfs, &nChars);
int nFrom, nTo, nStartCur = ME_GetSelectionOfs(editor, &nFrom, &nTo);
int nChars = nTo - nFrom;
ME_Cursor *selStart = &editor->pCursors[nStartCur];
nChars -= nOfs;
if (ME_Copy(editor, selStart, nChars) && msg == WM_CUT)
{
ME_InternalDeleteText(editor, nOfs, nChars, FALSE);
ME_InternalDeleteText(editor, selStart, nChars, FALSE);
ME_CommitUndo(editor);
ME_UpdateRepaint(editor);
}

4
dlls/riched20/editor.h
View File

@ -177,7 +177,7 @@ BOOL ME_IsSelection(ME_TextEditor *editor);
void ME_DeleteSelection(ME_TextEditor *editor);
void ME_SendSelChange(ME_TextEditor *editor);
void ME_InsertOLEFromCursor(ME_TextEditor *editor, const REOBJECT* reo, int nCursor);
BOOL ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars, BOOL bForce);
BOOL ME_InternalDeleteText(ME_TextEditor *editor, ME_Cursor *start, int nChars, BOOL bForce);
int ME_GetTextLength(ME_TextEditor *editor);
int ME_GetTextLengthEx(ME_TextEditor *editor, const GETTEXTLENGTHEX *how);
ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor);
@ -264,7 +264,7 @@ ME_DisplayItem *ME_InsertTableRowEndFromCursor(ME_TextEditor *editor);
ME_DisplayItem *ME_GetTableRowEnd(ME_DisplayItem *para);
ME_DisplayItem *ME_GetTableRowStart(ME_DisplayItem *para);
void ME_CheckTablesForCorruption(ME_TextEditor *editor);
void ME_ProtectPartialTableDeletion(ME_TextEditor *editor, int nOfs,int *nChars);
void ME_ProtectPartialTableDeletion(ME_TextEditor *editor, ME_Cursor *c, int *nChars);
ME_DisplayItem* ME_AppendTableRow(ME_TextEditor *editor, ME_DisplayItem *table_row);
void ME_TabPressedInTable(ME_TextEditor *editor, BOOL bSelectedRow);
void ME_MoveCursorFromTableRowStartParagraph(ME_TextEditor *editor);

19
dlls/riched20/table.c
View File

@ -275,13 +275,14 @@ BOOL ME_IsInTable(ME_DisplayItem *pItem)
}
/* Table rows should either be deleted completely or not at all. */
void ME_ProtectPartialTableDeletion(ME_TextEditor *editor, int nOfs,int *nChars)
void ME_ProtectPartialTableDeletion(ME_TextEditor *editor, ME_Cursor *c, int *nChars)
{
ME_Cursor c, c2;
ME_DisplayItem *this_para, *end_para;
ME_CursorFromCharOfs(editor, nOfs, &c);
this_para = c.pPara;
ME_CursorFromCharOfs(editor, nOfs + *nChars, &c2);
int nOfs = ME_GetCursorOfs(c);
ME_Cursor c2 = *c;
ME_DisplayItem *this_para = c->pPara;
ME_DisplayItem *end_para;
ME_MoveCursorChars(editor, &c2, *nChars);
end_para = c2.pPara;
if (c2.pRun->member.run.nFlags & MERF_ENDPARA) {
/* End offset might be in the middle of the end paragraph run.
@ -357,13 +358,13 @@ void ME_ProtectPartialTableDeletion(ME_TextEditor *editor, int nOfs,int *nChars)
this_para->member.para.pFmt->dwMask & PFM_TABLE &&
this_para->member.para.pFmt->wEffects & PFE_TABLE)
{
pRun = c.pRun;
pRun = c->pRun;
/* Find the next tab or end paragraph to use as a delete boundary */
while (!(pRun->member.run.nFlags & (MERF_TAB|MERF_ENDPARA)))
pRun = ME_FindItemFwd(pRun, diRun);
nCharsToBoundary = pRun->member.run.nCharOfs
- c.pRun->member.run.nCharOfs
- c.nOffset;
- c->pRun->member.run.nCharOfs
- c->nOffset;
*nChars = min(*nChars, nCharsToBoundary);
} else if (end_para->member.para.pFmt->dwMask & PFM_TABLE &&
end_para->member.para.pFmt->wEffects & PFE_TABLE)

6
dlls/riched20/txtsrv.c
View File

@ -312,9 +312,11 @@ HRESULT WINAPI fnTextSrv_TxSetText(ITextServices *iface,
LPCWSTR pszText)
{
ICOM_THIS_MULTI(ITextServicesImpl, lpVtbl, iface);
ME_Cursor cursor;
ME_InternalDeleteText(This->editor, 0, ME_GetTextLength(This->editor),
FALSE);
ME_SetCursorToStart(This->editor, &cursor);
ME_InternalDeleteText(This->editor, &cursor,
ME_GetTextLength(This->editor), FALSE);
ME_InsertTextFromCursor(This->editor, 0, pszText, -1,
This->editor->pBuffer->pDefaultStyle);
ME_SetSelection(This->editor, 0, 0);

4
dlls/riched20/undo.c
View File

@ -317,7 +317,9 @@ static void ME_PlayUndoItem(ME_TextEditor *editor, ME_DisplayItem *pItem)
}
case diUndoDeleteRun:
{
ME_InternalDeleteText(editor, pUItem->nStart, pUItem->nLen, TRUE);
ME_Cursor tmp;
ME_CursorFromCharOfs(editor, pUItem->nStart, &tmp);
ME_InternalDeleteText(editor, &tmp, pUItem->nLen, TRUE);
break;
}
case diUndoJoinParagraphs: