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Disallow Goto dlg offset option from moving to position inside multibyte char or between CR and LF

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Fix #9101, fix #9125, close #9129
This commit is contained in:
Scott Sumner 2020-11-09 14:38:23 -05:00 committed by Don HO
parent f75f8b8d40
commit f027e9271d
1 changed files with 11 additions and 3 deletions
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12
PowerEditor/src/ScitillaComponent/GoToLineDlg.cpp
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@ -62,9 +62,17 @@ INT_PTR CALLBACK GoToLineDlg::run_dlgProc(UINT message, WPARAM wParam, LPARAM)
} }
else else
{ {
auto sci_line = (*_ppEditView)->execute(SCI_LINEFROMPOSITION, line); int posToGoto = 0;
if (line > 0)
{
// make sure not jumping into the middle of a multibyte character
// or into the middle of a CR/LF pair for Windows files
auto before = (*_ppEditView)->execute(SCI_POSITIONBEFORE, line);
posToGoto = static_cast<int>((*_ppEditView)->execute(SCI_POSITIONAFTER, before));
}
auto sci_line = (*_ppEditView)->execute(SCI_LINEFROMPOSITION, posToGoto);
(*_ppEditView)->execute(SCI_ENSUREVISIBLE, sci_line); (*_ppEditView)->execute(SCI_ENSUREVISIBLE, sci_line);
(*_ppEditView)->execute(SCI_GOTOPOS, line); (*_ppEditView)->execute(SCI_GOTOPOS, posToGoto);
} }
} }