696 lines
16 KiB
C++
696 lines
16 KiB
C++
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/*
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* @doc INTERNAL
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*
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* @module PROPCHG.CPP -- Property Change Notification Routines |
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*
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* Original Author: <nl>
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* Rick Sailor
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*
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* History: <nl>
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* 9/5/95 ricksa Created and documented
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*
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* Documentation is generated straight from the code. The following
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* date/time stamp indicates the version of code from which the
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* the documentation was generated.
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*
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* Copyright (c) 1995-1997 Microsoft Corporation. All rights reserved.
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*/
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#include "_common.h"
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#include "_edit.h"
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#include "_dispprt.h"
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#include "_dispml.h"
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#include "_dispsl.h"
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#include "_select.h"
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#include "_text.h"
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#include "_runptr.h"
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#include "_font.h"
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#include "_measure.h"
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#include "_render.h"
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#include "_urlsup.h"
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ASSERTDATA
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CTxtEdit::FNPPROPCHG CTxtEdit::_fnpPropChg[MAX_PROPERTY_BITS];
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/*
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* CTxtEdit::UpdateAccelerator()
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*
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* @mfunc
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* Get accelerator cp from host
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*
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* @rdesc
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* HRESULT
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*
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* @devnote:
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* The point of this is to leave the accelerator offset unchanged
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* in the face of an error from the host.
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*/
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HRESULT CTxtEdit::UpdateAccelerator()
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::UpdateAccelerator");
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LONG cpAccel;
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HRESULT hr = _phost->TxGetAcceleratorPos(&cpAccel);
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if(SUCCEEDED(hr))
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{
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// It worked so reset our value
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AssertSz(cpAccel < 32768,
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"CTxtEdit::UpdateAccelerator: cp too large");
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_cpAccelerator = cpAccel;
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}
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return hr;
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}
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/*
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* CTxtEdit::HandleRichToPlainConversion()
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*
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* @mfunc
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* Convert a rich text object to a plain text object
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*/
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void CTxtEdit::HandleRichToPlainConversion()
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::HandleRichToPlainConversion");
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// Notify every interested party that they should dump their formatting
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_nm.NotifyPreReplaceRange(NULL, CONVERT_TO_PLAIN, 0, 0, 0, 0);
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// Set _fRich to false so we can delete the final CRLF.
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_fRich = 0;
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_fSelChangeCharFormat = 0;
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_fPageView = 0;
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// if(_pdetecturl)
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// {
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// delete _pdetecturl;
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// _pdetecturl = NULL;
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// }
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// Tell document to dump its format runs
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_story.DeleteFormatRuns();
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// Clear out the ending CRLF
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CRchTxtPtr rtp(this, 0);
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rtp.ReplaceRange(GetTextLength(), 0, NULL, NULL, -1);
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}
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/*
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* CTxtEdit::OnRichEditChange (fPropertyFlag)
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*
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* @mfunc
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* Notify text services that rich-text property changed
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*
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* @rdesc
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* S_OK - Notification successfully processed.
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*/
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HRESULT CTxtEdit::OnRichEditChange(
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BOOL fPropertyFlag) //@parm New state of richedit flag
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnRichEditChange");
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// Calculate length of empty document. Remember that multiline rich text
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// controls always have and end of paragraph marker.
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LONG cchEmptyDoc = cchCR;
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CFreezeDisplay fd(_pdp); // defer screen update until we finish the change.
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if(!_fRich)
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cchEmptyDoc = 0;
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else if(_f10Mode)
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cchEmptyDoc = cchCRLF;
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// This can only be changed if there is no text and nothing to undo.
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// It makes no sense to change when there is already text. This is
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// particularly true of going from rich to plain. Further, what would
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// you do with the undo state?
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if(GetTextLength() == cchEmptyDoc && (!_pundo || !_pundo->CanUndo()))
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{
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#ifdef DEBUG
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// Make sure that document is in a sensible state.
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if(_fRich)
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{
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CTxtPtr tp(this, 0);
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WCHAR szBuf[cchCRLF];
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tp.GetText(cchCRLF, &szBuf[0]);
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AssertSz(szBuf[0] == CR && (!_f10Mode || szBuf[1] == LF),
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"CTxtEdit::OnRichEditChange: invalid document terminator");
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}
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#endif // DEBUG
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if(_fRich && !fPropertyFlag)
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{
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// Going from rich text to plain text. Need to dump
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// format runs.
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HandleRichToPlainConversion();
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_fAutoFontSizeAdjust = TRUE;
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}
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else if (!_fRich && fPropertyFlag)
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{
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// Going from plain text to rich text. Need to add the
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// appropriate EOP at the end of the document.
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SetRichDocEndEOP(0);
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_fAutoFontSizeAdjust = FALSE;
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}
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_fRich = fPropertyFlag;
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return S_OK;
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}
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return E_FAIL; // Flag was not updated
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}
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/*
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* CTxtEdit::OnTxMultiLineChange (fMultiline)
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*
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* @mfunc
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* Notify text services that the display changed.
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*
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* @rdesc
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* S_OK - Notification successfully processed.
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*/
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HRESULT CTxtEdit::OnTxMultiLineChange(
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BOOL fMultiLine)
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnTxMultiLineChange");
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BOOL fHadSelection = (_psel != NULL);
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CDisplay * pSavedDisplay;
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BOOL fOldShowSelection = FALSE;
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// Remember the old value for show selection
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if (fHadSelection)
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fOldShowSelection = _psel->GetShowSelection();
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// Save the current display away and null it out
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pSavedDisplay = _pdp;
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_pdp = NULL;
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// Attempt to create the new display
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if (fMultiLine)
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_pdp = new CDisplayML(this);
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else
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_pdp = new CDisplaySL(this);
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Assert(_pdp);
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if(!_pdp)
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{
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Assert(pSavedDisplay);
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_pdp = pSavedDisplay;
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return E_OUTOFMEMORY;
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}
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// Attempt to init the new display
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if(pSavedDisplay)
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_pdp->InitFromDisplay(pSavedDisplay);
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if(!_pdp->Init())
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{
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delete _pdp;
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Assert(pSavedDisplay);
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_pdp = pSavedDisplay;
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return E_FAIL;
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}
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// Ok to now kill the old display
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delete pSavedDisplay;
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// Is there are selection?
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if(_psel)
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{
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// Need to tell it there is a new display to talk to.
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_psel->SetDisplay(_pdp);
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}
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// Is this a switch to Single Line? If this is we need to
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// make sure we truncate the text to the first EOP. We wait
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// till this point to do this check to make sure that everything
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// is in sync before doing something which potentially affects
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// the display and the selection.
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if(!fMultiLine)
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{
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// Set up for finding an EOP
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CTxtPtr tp(this, 0);
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tp.FindEOP(tomForward);
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// Is there any EOP and text beyond?
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if (tp.GetCp() < GetAdjustedTextLength())
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{
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// FindEOP places the text after the EOP if there
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// is one. Since we want to delete the EOP as well
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// we need to back up to the EOP.
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tp.BackupCRLF();
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// Sync up the cp's of all the ranges before deleting
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// the text.
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CRchTxtPtr rtp(this, tp.GetCp());
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// Truncate from the EOP to the end of the document
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rtp.ReplaceRange(GetAdjustedTextLength() - tp.GetCp(), 0, NULL, NULL, -1);
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}
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}
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_pdp->UpdateView();
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if(fHadSelection && _fFocus && fOldShowSelection)
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_psel->ShowSelection(TRUE);
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return S_OK;
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}
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/*
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* CTxtEdit::OnTxReadOnlyChange (fReadOnly)
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*
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* @mfunc
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* Notify text services that read-only property changed
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*
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* @rdesc
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* S_OK - Notification successfully processed.
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*/
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HRESULT CTxtEdit::OnTxReadOnlyChange(
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BOOL fReadOnly) //@parm TRUE = read only, FALSE = not read only
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnTxReadOnlyChange");
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if (fReadOnly)
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_ldte.ReleaseDropTarget();
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_fReadOnly = fReadOnly; // Cache bit
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return S_OK;
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}
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/*
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* CTxtEdit::OnShowAccelerator (fPropertyFlag)
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*
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* @mfunc
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* Update accelerator based on change
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*
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* @rdesc
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* S_OK - Notification successfully processed.
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*/
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HRESULT CTxtEdit::OnShowAccelerator(
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BOOL fPropertyFlag) //@parm TRUE = show accelerator
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnShowAccelerator");
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// Get the new accelerator character
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HRESULT hr = UpdateAccelerator();
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// Update the view - we update even in the face of an error return.
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// The point is that errors will be rare (non-existent?) and the update
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// will work even in the face of the error so why bother conditionalizing
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// the execution.
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NeedViewUpdate(TRUE);
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return hr;
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}
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/*
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* CTxtEdit::OnUsePassword (fPropertyFlag)
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*
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* @mfunc
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* Update use-password property
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*
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* @rdesc
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* S_OK - Notification successfully processed.
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*/
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HRESULT CTxtEdit::OnUsePassword(
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BOOL fPropertyFlag) //@parm TRUE = use password character
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnUsePassword");
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Assert((DWORD)fPropertyFlag <= 1); // Be sure it's C boolean
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_fUsePassword = fPropertyFlag;
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_pdp->UpdateView(); // State changed so update view
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return S_OK;
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}
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/*
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* CTxtEdit::OnTxHideSelectionChange (fHideSelection)
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*
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* @mfunc
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* Notify text services that hide-selection property changed
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*
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* @rdesc
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* S_OK - Notification successfully processed.
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*/
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HRESULT CTxtEdit::OnTxHideSelectionChange(
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BOOL fHideSelection) //@parm TRUE = hide selection
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnTxHideSelectionChange");
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// update internal flag if selection is to be hidden
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_fHideSelection = fHideSelection;
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if (!_fFocus)
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OnHideSelectionChange(fHideSelection);
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return S_OK;
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}
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/*
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* CTxtEdit::OnHideSelectionChange (fHideSelection)
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*
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* @mfunc
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* Performs the actual hide selection. Helper to OnTxHideSelectionChange
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*
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* @rdesc
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* S_OK - Notification successfully processed.
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*/
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HRESULT CTxtEdit::OnHideSelectionChange(
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BOOL fHideSelection) //@parm TRUE = hide selection
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{
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnHideSelectionChange");
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_fHideSelection = fHideSelection;
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CTxtSelection * psel = GetSel();
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if(psel)
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{
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psel->ShowSelection(!fHideSelection);
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// In the case where we don't have focus we don't want to allow the user to display the caret but it's okay
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// to hide the caret.
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if (_fFocus || fHideSelection)
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psel->ShowCaret(!fHideSelection);
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}
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if(!_fInPlaceActive)
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{
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TxInvalidate(); // Since _fInPlaceActive = FALSE,
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TxUpdateWindow(); // this only tells user.exe to
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} // send a WM_PAINT message
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return S_OK;
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}
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/*
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* CTxtEdit::OnSaveSelection (fPropertyFlag)
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*
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* @mfunc
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* Notify text services that save-selection property changed
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*
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* @rdesc
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* S_OK - Notification successfully processed.
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*/
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HRESULT CTxtEdit::OnSaveSelection(
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BOOL fPropertyFlag) //@parm TRUE = save selection when inactive
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{
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|
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TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnSaveSelection");
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnAutoWordSel (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that auto-word-selection property changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnAutoWordSel(
|
||
|
|
BOOL fPropertyFlag) //@parm TRUE = auto word selection on
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnAutoWordSel");
|
||
|
|
|
||
|
|
// We call back to the host when we need to know, so we don't bother doing
|
||
|
|
// anything in response to this notification.
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnTxVerticalChange (fVertical)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that vertical property changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnTxVerticalChange(
|
||
|
|
BOOL fVertical) //@parm TRUE - text vertically oriented.
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnTxVerticalChange");
|
||
|
|
|
||
|
|
_fUseAtFont = fVertical;
|
||
|
|
|
||
|
|
HandleSetTextFlow(fVertical ? tflowSW : tflowES);
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnClientRectChange (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that client rectangle changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnClientRectChange(
|
||
|
|
BOOL fPropertyFlag) //@parm Ignored for this property
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnClientRectChange");
|
||
|
|
|
||
|
|
// It is unclear whether we need to actually do anything for this
|
||
|
|
// notification. Logically, the change of this property is followed
|
||
|
|
// closely by some kind of operation which will cause the display
|
||
|
|
// cache to be updated anyway. The old code is left here as an
|
||
|
|
// example of what might be done if it turns out we need to do
|
||
|
|
// anything. For now, we will simply return S_OK to this notification.
|
||
|
|
#if 0
|
||
|
|
if (_fInPlaceActive)
|
||
|
|
{
|
||
|
|
RECT rc;
|
||
|
|
|
||
|
|
if(_phost->TxGetClientRect(&rc) == NOERROR)
|
||
|
|
_pdp->OnClientRectChange(rc);
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
return NeedViewUpdate(fPropertyFlag);
|
||
|
|
#endif // 0
|
||
|
|
|
||
|
|
if(IsInPageView())
|
||
|
|
_pdp->Paginate(0, TRUE);
|
||
|
|
|
||
|
|
// With a client rect change we do need to update the caret when
|
||
|
|
// we get redrawn even if the basic information did not change.
|
||
|
|
_pdp->SetUpdateCaret();
|
||
|
|
|
||
|
|
if (_fInPlaceActive && _pMsgFilter && _pMsgCallBack)
|
||
|
|
_pMsgCallBack->NotifyEvents(NE_LAYOUTCHANGE);
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnCharFormatChange (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Update default CCharFormat
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - update successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnCharFormatChange(
|
||
|
|
BOOL fPropertyFlag) //@parm Not used
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnCharFormatChange");
|
||
|
|
|
||
|
|
CCharFormat CF;
|
||
|
|
DWORD dwMask;
|
||
|
|
|
||
|
|
HRESULT hr = TxGetDefaultCharFormat(&CF, dwMask);
|
||
|
|
if(hr == NOERROR)
|
||
|
|
{
|
||
|
|
DWORD dwMask2 = CFM2_CHARFORMAT;
|
||
|
|
WPARAM wparam = SCF_ALL;
|
||
|
|
|
||
|
|
if(!GetAdjustedTextLength())
|
||
|
|
{
|
||
|
|
dwMask2 = CFM2_CHARFORMAT | CFM2_NOCHARSETCHECK;
|
||
|
|
wparam = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// OnSetCharFormat handles updating the view.
|
||
|
|
hr = OnSetCharFormat(wparam, &CF, NULL, dwMask, dwMask2) ? NOERROR : E_FAIL;
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnParaFormatChange (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Update default CParaFormat
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - update successfully processed
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnParaFormatChange(
|
||
|
|
BOOL fPropertyFlag) //@parm Not used
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnParaFormatChange");
|
||
|
|
|
||
|
|
CParaFormat PF;
|
||
|
|
|
||
|
|
HRESULT hr = TxGetDefaultParaFormat(&PF);
|
||
|
|
if(hr == NOERROR)
|
||
|
|
{
|
||
|
|
// OnSetParaFormat handles updating the view.
|
||
|
|
hr = OnSetParaFormat(SPF_SETDEFAULT, &PF, NULL, PFM_ALL2, 0)
|
||
|
|
? NOERROR : E_FAIL;
|
||
|
|
}
|
||
|
|
#ifdef TABS
|
||
|
|
GetTabsCache()->Release(PF._iTabs);
|
||
|
|
#endif
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::NeedViewUpdate (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that view of data changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::NeedViewUpdate(
|
||
|
|
BOOL fPropertyFlag)
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::NeedViewUpdate");
|
||
|
|
|
||
|
|
_pdp->UpdateView();
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnTxBackStyleChange (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that background style changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnTxBackStyleChange(
|
||
|
|
BOOL fPropertyFlag) //@parm Ignored for this property
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnTxBackStyleChange");
|
||
|
|
|
||
|
|
_fTransparent = (TxGetBackStyle() == TXTBACK_TRANSPARENT);
|
||
|
|
TxInvalidate();
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnAllowBeep (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that beep property changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnAllowBeep(
|
||
|
|
BOOL fPropertyFlag) //@parm New state of property
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnAllowBeep");
|
||
|
|
|
||
|
|
_fAllowBeep = fPropertyFlag;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnMaxLengthChange (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that max-length property changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnMaxLengthChange(
|
||
|
|
BOOL fPropertyFlag) //@parm New state of property
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnMaxLengthChange");
|
||
|
|
|
||
|
|
// Query host for max text length
|
||
|
|
DWORD length = CP_INFINITE;
|
||
|
|
_phost->TxGetMaxLength(&length);
|
||
|
|
_cchTextMost = length;
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnWordWrapChange (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that word-wrap property changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnWordWrapChange(
|
||
|
|
BOOL fPropertyFlag) //@parm TRUE = do word wrap
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnWordWrapChange");
|
||
|
|
|
||
|
|
_pdp->SetWordWrap(fPropertyFlag);
|
||
|
|
|
||
|
|
// Update was successful so we need the screen updated at some point
|
||
|
|
_pdp->UpdateView();
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnDisableDrag (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services that disable drag property changed
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnDisableDrag(
|
||
|
|
BOOL fPropertyFlag) //@parm New state of property
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnDisableDrag");
|
||
|
|
|
||
|
|
_fDisableDrag = fPropertyFlag;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTxtEdit::OnScrollChange (fPropertyFlag)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Notify text services scroll property change
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* S_OK - Notification successfully processed.
|
||
|
|
*/
|
||
|
|
HRESULT CTxtEdit::OnScrollChange(
|
||
|
|
BOOL fPropertyFlag) //@parm New state of property
|
||
|
|
{
|
||
|
|
TRACEBEGIN(TRCSUBSYSTS, TRCSCOPEINTERN, "CTxtEdit::OnScrollChange");
|
||
|
|
|
||
|
|
// Tell the display that scroll bars for sure need to be updated
|
||
|
|
_pdp->SetViewChanged();
|
||
|
|
|
||
|
|
// Tell the display to update itself.
|
||
|
|
_pdp->UpdateView();
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|