diff options
Diffstat (limited to 'xfa/fee/fde_txtedtengine.cpp')
| -rw-r--r-- | xfa/fee/fde_txtedtengine.cpp | 1659 |
1 files changed, 0 insertions, 1659 deletions
diff --git a/xfa/fee/fde_txtedtengine.cpp b/xfa/fee/fde_txtedtengine.cpp deleted file mode 100644 index d1d33fe8c6..0000000000 --- a/xfa/fee/fde_txtedtengine.cpp +++ /dev/null @@ -1,1659 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "xfa/fee/fde_txtedtengine.h" - -#include <algorithm> -#include <memory> - -#include "xfa/fde/tto/fde_textout.h" -#include "xfa/fee/fde_txtedtparag.h" -#include "xfa/fee/ifde_txtedtengine.h" -#include "xfa/fee/ifde_txtedtpage.h" -#include "xfa/fwl/basewidget/fwl_editimp.h" - -#define FDE_PAGEWIDTH_MAX 0xFFFF -#define FDE_TXTPLATESIZE (1024 * 12) -#define FDE_UNICODE_PARAGRAPH_SPERATOR (0x2029) -#define FDE_TXTEDT_DORECORD_INS 0 -#define FDE_TXTEDT_DORECORD_DEL 1 - -CFDE_TxtEdtEngine::CFDE_TxtEdtEngine() - : m_pTextBreak(nullptr), - m_nPageLineCount(20), - m_nLineCount(0), - m_nAnchorPos(-1), - m_nLayoutPos(0), - m_fCaretPosReserve(0.0), - m_nCaret(0), - m_bBefore(TRUE), - m_nCaretPage(0), - m_dwFindFlags(0), - m_bLock(FALSE), - m_nLimit(0), - m_wcAliasChar(L'*'), - m_nFirstLineEnd(FDE_TXTEDIT_LINEEND_Auto), - m_bAutoLineEnd(TRUE), - m_wLineEnd(FDE_UNICODE_PARAGRAPH_SPERATOR) { - FXSYS_memset(&m_rtCaret, 0, sizeof(CFX_RectF)); - m_pTxtBuf = new CFDE_TxtEdtBuf(); - m_bAutoLineEnd = (m_Param.nLineEnd == FDE_TXTEDIT_LINEEND_Auto); -} -CFDE_TxtEdtEngine::~CFDE_TxtEdtEngine() { - if (m_pTxtBuf) { - m_pTxtBuf->Release(); - m_pTxtBuf = NULL; - } - if (m_pTextBreak) { - m_pTextBreak->Release(); - m_pTextBreak = NULL; - } - RemoveAllParags(); - RemoveAllPages(); - m_Param.pEventSink = NULL; - ClearSelection(); -} -void CFDE_TxtEdtEngine::Release() { - delete this; -} -void CFDE_TxtEdtEngine::SetEditParams(const FDE_TXTEDTPARAMS& params) { - if (!m_pTextBreak) - m_pTextBreak = new CFX_TxtBreak(FX_TXTBREAKPOLICY_None); - - FXSYS_memcpy(&m_Param, ¶ms, sizeof(FDE_TXTEDTPARAMS)); - m_wLineEnd = params.wLineBreakChar; - m_bAutoLineEnd = (m_Param.nLineEnd == FDE_TXTEDIT_LINEEND_Auto); - UpdateTxtBreak(); -} -FDE_TXTEDTPARAMS* CFDE_TxtEdtEngine::GetEditParams() { - return &m_Param; -} -int32_t CFDE_TxtEdtEngine::CountPages() const { - if (m_nLineCount == 0) { - return 0; - } - return ((m_nLineCount - 1) / m_nPageLineCount) + 1; -} -IFDE_TxtEdtPage* CFDE_TxtEdtEngine::GetPage(int32_t nIndex) { - if (m_PagePtrArray.GetSize() <= nIndex) { - return NULL; - } - return (IFDE_TxtEdtPage*)m_PagePtrArray[nIndex]; -} -FX_BOOL CFDE_TxtEdtEngine::SetBufChunkSize(int32_t nChunkSize) { - return m_pTxtBuf->SetChunkSize(nChunkSize); -} -void CFDE_TxtEdtEngine::SetTextByStream(IFX_Stream* pStream) { - ResetEngine(); - int32_t nIndex = 0; - if (pStream != NULL && pStream->GetLength()) { - int32_t nStreamLength = pStream->GetLength(); - FX_BOOL bValid = TRUE; - if (m_nLimit > 0 && nStreamLength > m_nLimit) { - bValid = FALSE; - } - FX_BOOL bPreIsCR = FALSE; - if (bValid) { - uint8_t bom[4]; - int32_t nPos = pStream->GetBOM(bom); - pStream->Seek(FX_STREAMSEEK_Begin, nPos); - int32_t nPlateSize = std::min(nStreamLength, m_pTxtBuf->GetChunkSize()); - FX_WCHAR* lpwstr = FX_Alloc(FX_WCHAR, nPlateSize); - FX_BOOL bEos = false; - while (!bEos) { - int32_t nRead = pStream->ReadString(lpwstr, nPlateSize, bEos); - bPreIsCR = ReplaceParagEnd(lpwstr, nRead, bPreIsCR); - m_pTxtBuf->Insert(nIndex, lpwstr, nRead); - nIndex += nRead; - } - FX_Free(lpwstr); - } - } - m_pTxtBuf->Insert(nIndex, &m_wLineEnd, 1); - RebuildParagraphs(); -} -void CFDE_TxtEdtEngine::SetText(const CFX_WideString& wsText) { - ResetEngine(); - int32_t nLength = wsText.GetLength(); - if (nLength > 0) { - CFX_WideString wsTemp; - FX_WCHAR* lpBuffer = wsTemp.GetBuffer(nLength); - FXSYS_memcpy(lpBuffer, wsText.c_str(), nLength * sizeof(FX_WCHAR)); - ReplaceParagEnd(lpBuffer, nLength, FALSE); - wsTemp.ReleaseBuffer(nLength); - if (m_nLimit > 0 && nLength > m_nLimit) { - wsTemp.Delete(m_nLimit, nLength - m_nLimit); - nLength = m_nLimit; - } - m_pTxtBuf->SetText(wsTemp); - } - m_pTxtBuf->Insert(nLength, &m_wLineEnd, 1); - RebuildParagraphs(); -} -int32_t CFDE_TxtEdtEngine::GetTextLength() const { - return GetTextBufLength(); -} -void CFDE_TxtEdtEngine::GetText(CFX_WideString& wsText, - int32_t nStart, - int32_t nCount) { - int32_t nTextBufLength = GetTextBufLength(); - if (nCount == -1) { - nCount = nTextBufLength - nStart; - } - m_pTxtBuf->GetRange(wsText, nStart, nCount); - RecoverParagEnd(wsText); -} - -void CFDE_TxtEdtEngine::ClearText() { - DeleteRange(0, -1); -} -int32_t CFDE_TxtEdtEngine::GetCaretRect(CFX_RectF& rtCaret) const { - rtCaret = m_rtCaret; - return m_nCaret; -} -int32_t CFDE_TxtEdtEngine::GetCaretPos() const { - if (IsLocked()) { - return 0; - } - return m_nCaret + (m_bBefore ? 0 : 1); -} -int32_t CFDE_TxtEdtEngine::SetCaretPos(int32_t nIndex, FX_BOOL bBefore) { - if (IsLocked()) { - return 0; - } - ASSERT(nIndex >= 0 && nIndex <= GetTextBufLength()); - if (m_PagePtrArray.GetSize() <= m_nCaretPage) { - return 0; - } - m_bBefore = bBefore; - m_nCaret = nIndex; - MovePage2Char(m_nCaret); - GetCaretRect(m_rtCaret, m_nCaretPage, m_nCaret, m_bBefore); - if (!m_bBefore) { - m_nCaret++; - m_bBefore = TRUE; - } - m_fCaretPosReserve = (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) - ? m_rtCaret.top - : m_rtCaret.left; - m_Param.pEventSink->On_CaretChanged(this, m_nCaretPage, 0); - m_nAnchorPos = -1; - return m_nCaret; -} -int32_t CFDE_TxtEdtEngine::MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret, - FX_BOOL bShift, - FX_BOOL bCtrl) { - if (IsLocked()) { - return 0; - } - if (m_PagePtrArray.GetSize() <= m_nCaretPage) { - return 0; - } - FX_BOOL bSelChange = FALSE; - if (IsSelect()) { - ClearSelection(); - bSelChange = TRUE; - } - if (bShift) { - if (m_nAnchorPos == -1) { - m_nAnchorPos = m_nCaret; - } - } else { - m_nAnchorPos = -1; - } - FX_BOOL bVertical = m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical; - switch (eMoveCaret) { - case MC_Left: { - if (bVertical) { - CFX_PointF ptCaret; - if (MoveUp(ptCaret)) { - UpdateCaretIndex(ptCaret); - } - } else { - FX_BOOL bBefore = TRUE; - int32_t nIndex = MoveBackward(bBefore); - if (nIndex >= 0) { - UpdateCaretRect(nIndex, bBefore); - } - } - } break; - case MC_Right: { - if (bVertical) { - CFX_PointF ptCaret; - if (MoveDown(ptCaret)) { - UpdateCaretIndex(ptCaret); - } - } else { - FX_BOOL bBefore = TRUE; - int32_t nIndex = MoveForward(bBefore); - if (nIndex >= 0) { - UpdateCaretRect(nIndex, bBefore); - } - } - } break; - case MC_Up: { - if (bVertical) { - FX_BOOL bBefore = TRUE; - int32_t nIndex = MoveBackward(bBefore); - if (nIndex >= 0) { - UpdateCaretRect(nIndex, bBefore); - } - } else { - CFX_PointF ptCaret; - if (MoveUp(ptCaret)) { - UpdateCaretIndex(ptCaret); - } - } - } break; - case MC_Down: { - if (bVertical) { - FX_BOOL bBefore = TRUE; - int32_t nIndex = MoveForward(bBefore); - if (nIndex >= 0) { - UpdateCaretRect(nIndex, bBefore); - } - } else { - CFX_PointF ptCaret; - if (MoveDown(ptCaret)) { - UpdateCaretIndex(ptCaret); - } - } - } break; - case MC_WordBackward: - break; - case MC_WordForward: - break; - case MC_LineStart: - MoveLineStart(); - break; - case MC_LineEnd: - MoveLineEnd(); - break; - case MC_ParagStart: - MoveParagStart(); - break; - case MC_ParagEnd: - MoveParagEnd(); - break; - case MC_PageDown: - break; - case MC_PageUp: - break; - case MC_Home: - MoveHome(); - break; - case MC_End: - MoveEnd(); - break; - default: - break; - } - if (bShift && m_nAnchorPos != -1 && (m_nAnchorPos != m_nCaret)) { - AddSelRange(std::min(m_nAnchorPos, m_nCaret), - FXSYS_abs(m_nAnchorPos - m_nCaret)); - m_Param.pEventSink->On_SelChanged(this); - } - if (bSelChange) { - m_Param.pEventSink->On_SelChanged(this); - } - return m_nCaret; -} -void CFDE_TxtEdtEngine::Lock() { - m_bLock = TRUE; -} -void CFDE_TxtEdtEngine::Unlock() { - m_bLock = FALSE; -} -FX_BOOL CFDE_TxtEdtEngine::IsLocked() const { - return m_bLock; -} -int32_t CFDE_TxtEdtEngine::Insert(int32_t nStart, - const FX_WCHAR* lpText, - int32_t nLength) { - if (IsLocked()) { - return FDE_TXTEDT_MODIFY_RET_F_Locked; - } - CFX_WideString wsTemp; - FX_WCHAR* lpBuffer = wsTemp.GetBuffer(nLength); - FXSYS_memcpy(lpBuffer, lpText, nLength * sizeof(FX_WCHAR)); - ReplaceParagEnd(lpBuffer, nLength, FALSE); - wsTemp.ReleaseBuffer(nLength); - FX_BOOL bPart = FALSE; - if (m_nLimit > 0) { - int32_t nTotalLength = GetTextBufLength(); - int32_t nCount = m_SelRangePtrArr.GetSize(); - for (int32_t i = 0; i < nCount; i++) { - FDE_TXTEDTSELRANGE* lpSelRange = m_SelRangePtrArr.GetAt(i); - nTotalLength -= lpSelRange->nCount; - } - int32_t nExpectLength = nTotalLength + nLength; - if (nTotalLength == m_nLimit) { - return FDE_TXTEDT_MODIFY_RET_F_Full; - } - if (nExpectLength > m_nLimit) { - nLength -= (nExpectLength - m_nLimit); - bPart = TRUE; - } - } - if ((m_Param.dwMode & FDE_TEXTEDITMODE_LimitArea_Vert) || - (m_Param.dwMode & FDE_TEXTEDITMODE_LimitArea_Horz)) { - int32_t nTemp = nLength; - if (m_Param.dwMode & FDE_TEXTEDITMODE_Password) { - CFX_WideString wsText; - while (nLength > 0) { - GetPreInsertText(wsText, m_nCaret, lpBuffer, nLength); - int32_t nTotal = wsText.GetLength(); - FX_WCHAR* lpBuf = wsText.GetBuffer(nTotal); - for (int32_t i = 0; i < nTotal; i++) { - lpBuf[i] = m_wcAliasChar; - } - wsText.ReleaseBuffer(nTotal); - if (IsFitArea(wsText)) { - break; - } - nLength--; - } - } else { - CFX_WideString wsText; - while (nLength > 0) { - GetPreInsertText(wsText, m_nCaret, lpBuffer, nLength); - if (IsFitArea(wsText)) { - break; - } - nLength--; - } - } - if (nLength == 0) { - return FDE_TXTEDT_MODIFY_RET_F_Full; - } - if (nLength < nTemp) { - bPart = TRUE; - } - } - if (m_Param.dwMode & FDE_TEXTEDITMODE_Validate) { - CFX_WideString wsText; - GetPreInsertText(wsText, m_nCaret, lpBuffer, nLength); - if (!m_Param.pEventSink->On_Validate(this, wsText)) { - return FDE_TXTEDT_MODIFY_RET_F_Invalidate; - } - } - if (IsSelect()) { - DeleteSelect(); - } - if (!(m_Param.dwMode & FDE_TEXTEDITMODE_NoRedoUndo)) - m_Param.pEventSink->On_AddDoRecord( - this, - new CFDE_TxtEdtDoRecord_Insert(this, m_nCaret, lpBuffer, nLength)); - - GetText(m_ChangeInfo.wsPrevText, 0); - Inner_Insert(m_nCaret, lpBuffer, nLength); - m_ChangeInfo.nChangeType = FDE_TXTEDT_TEXTCHANGE_TYPE_Insert; - m_ChangeInfo.wsInsert = CFX_WideString(lpBuffer, nLength); - nStart = m_nCaret; - nStart += nLength; - FX_WCHAR wChar = m_pTxtBuf->GetCharByIndex(nStart - 1); - FX_BOOL bBefore = TRUE; - if (wChar != L'\n' && wChar != L'\r') { - nStart--; - bBefore = FALSE; - } - SetCaretPos(nStart, bBefore); - m_Param.pEventSink->On_TextChanged(this, m_ChangeInfo); - return bPart ? FDE_TXTEDT_MODIFY_RET_S_Part : FDE_TXTEDT_MODIFY_RET_S_Normal; -} -int32_t CFDE_TxtEdtEngine::Delete(int32_t nStart, FX_BOOL bBackspace) { - if (IsLocked()) { - return FDE_TXTEDT_MODIFY_RET_F_Locked; - } - if (IsSelect()) { - DeleteSelect(); - return FDE_TXTEDT_MODIFY_RET_S_Normal; - } - - int32_t nCount = 1; - if (bBackspace) { - if (nStart == 0) { - return FDE_TXTEDT_MODIFY_RET_F_Boundary; - } - if (nStart > 2 && m_pTxtBuf->GetCharByIndex(nStart - 1) == L'\n' && - m_pTxtBuf->GetCharByIndex(nStart - 2) == L'\r') { - nStart--; - nCount++; - } - nStart--; - } else { - if (nStart == GetTextBufLength()) { - return FDE_TXTEDT_MODIFY_RET_F_Full; - } - if ((nStart + 1 < GetTextBufLength()) && - (m_pTxtBuf->GetCharByIndex(nStart) == L'\r') && - (m_pTxtBuf->GetCharByIndex(nStart + 1) == L'\n')) { - nCount++; - } - } - if (m_Param.dwMode & FDE_TEXTEDITMODE_Validate) { - CFX_WideString wsText; - GetPreDeleteText(wsText, nStart, nCount); - if (!m_Param.pEventSink->On_Validate(this, wsText)) { - return FDE_TXTEDT_MODIFY_RET_F_Invalidate; - } - } - if (!(m_Param.dwMode & FDE_TEXTEDITMODE_NoRedoUndo)) { - CFX_WideString wsRange; - m_pTxtBuf->GetRange(wsRange, nStart, nCount); - m_Param.pEventSink->On_AddDoRecord( - this, - new CFDE_TxtEdtDoRecord_DeleteRange(this, nStart, m_nCaret, wsRange)); - } - m_ChangeInfo.nChangeType = FDE_TXTEDT_TEXTCHANGE_TYPE_Delete; - GetText(m_ChangeInfo.wsDelete, nStart, nCount); - Inner_DeleteRange(nStart, nCount); - SetCaretPos(nStart + ((!bBackspace && nStart > 0) ? -1 : 0), - (bBackspace || nStart == 0)); - m_Param.pEventSink->On_TextChanged(this, m_ChangeInfo); - return FDE_TXTEDT_MODIFY_RET_S_Normal; -} -int32_t CFDE_TxtEdtEngine::DeleteRange(int32_t nStart, int32_t nCount) { - if (IsLocked()) { - return FDE_TXTEDT_MODIFY_RET_F_Locked; - } - if (nCount == -1) { - nCount = GetTextBufLength(); - } - if (nCount == 0) { - return FDE_TXTEDT_MODIFY_RET_S_Normal; - } - if (m_Param.dwMode & FDE_TEXTEDITMODE_Validate) { - CFX_WideString wsText; - GetPreDeleteText(wsText, nStart, nCount); - if (!m_Param.pEventSink->On_Validate(this, wsText)) { - return FDE_TXTEDT_MODIFY_RET_F_Invalidate; - } - } - DeleteRange_DoRecord(nStart, nCount); - m_Param.pEventSink->On_TextChanged(this, m_ChangeInfo); - SetCaretPos(nStart, TRUE); - return FDE_TXTEDT_MODIFY_RET_S_Normal; -} -int32_t CFDE_TxtEdtEngine::Replace(int32_t nStart, - int32_t nLength, - const CFX_WideString& wsReplace) { - if (IsLocked()) { - return FDE_TXTEDT_MODIFY_RET_F_Locked; - } - if (nStart < 0 || (nStart + nLength > GetTextBufLength())) { - return FDE_TXTEDT_MODIFY_RET_F_Boundary; - } - if (m_Param.dwMode & FDE_TEXTEDITMODE_Validate) { - CFX_WideString wsText; - GetPreReplaceText(wsText, nStart, nLength, wsReplace.c_str(), - wsReplace.GetLength()); - if (!m_Param.pEventSink->On_Validate(this, wsText)) { - return FDE_TXTEDT_MODIFY_RET_F_Invalidate; - } - } - if (IsSelect()) { - ClearSelection(); - } - m_ChangeInfo.nChangeType = FDE_TXTEDT_TEXTCHANGE_TYPE_Replace; - GetText(m_ChangeInfo.wsDelete, nStart, nLength); - if (nLength > 0) { - Inner_DeleteRange(nStart, nLength); - } - int32_t nTextLength = wsReplace.GetLength(); - if (nTextLength > 0) { - Inner_Insert(nStart, wsReplace.c_str(), nTextLength); - } - m_ChangeInfo.wsInsert = CFX_WideString(wsReplace.c_str(), nTextLength); - nStart += nTextLength; - FX_WCHAR wChar = m_pTxtBuf->GetCharByIndex(nStart - 1); - FX_BOOL bBefore = TRUE; - if (wChar != L'\n' && wChar != L'\r') { - nStart--; - bBefore = FALSE; - } - SetCaretPos(nStart, bBefore); - m_Param.pEventSink->On_PageUnload(this, m_nCaretPage, 0); - m_Param.pEventSink->On_PageLoad(this, m_nCaretPage, 0); - m_Param.pEventSink->On_TextChanged(this, m_ChangeInfo); - return FDE_TXTEDT_MODIFY_RET_S_Normal; -} -void CFDE_TxtEdtEngine::SetLimit(int32_t nLimit) { - m_nLimit = nLimit; -} -void CFDE_TxtEdtEngine::SetAliasChar(FX_WCHAR wcAlias) { - m_wcAliasChar = wcAlias; -} - -void CFDE_TxtEdtEngine::RemoveSelRange(int32_t nStart, int32_t nCount) { - FDE_TXTEDTSELRANGE* lpTemp = nullptr; - int32_t nRangeCount = m_SelRangePtrArr.GetSize(); - int32_t i = 0; - for (i = 0; i < nRangeCount; i++) { - lpTemp = m_SelRangePtrArr[i]; - if (lpTemp->nStart == nStart && lpTemp->nCount == nCount) { - delete lpTemp; - m_SelRangePtrArr.RemoveAt(i); - return; - } - } -} - -void CFDE_TxtEdtEngine::AddSelRange(int32_t nStart, int32_t nCount) { - if (nCount == -1) { - nCount = GetTextLength() - nStart; - } - int32_t nSize = m_SelRangePtrArr.GetSize(); - if (nSize <= 0) { - FDE_TXTEDTSELRANGE* lpSelRange = new FDE_TXTEDTSELRANGE; - lpSelRange->nStart = nStart; - lpSelRange->nCount = nCount; - m_SelRangePtrArr.Add(lpSelRange); - m_Param.pEventSink->On_SelChanged(this); - return; - } - FDE_TXTEDTSELRANGE* lpTemp = nullptr; - lpTemp = m_SelRangePtrArr[nSize - 1]; - if (nStart >= lpTemp->nStart + lpTemp->nCount) { - FDE_TXTEDTSELRANGE* lpSelRange = new FDE_TXTEDTSELRANGE; - lpSelRange->nStart = nStart; - lpSelRange->nCount = nCount; - m_SelRangePtrArr.Add(lpSelRange); - m_Param.pEventSink->On_SelChanged(this); - return; - } - int32_t nEnd = nStart + nCount - 1; - FX_BOOL bBegin = FALSE; - int32_t nRangeBgn = 0; - int32_t nRangeCnt = 0; - for (int32_t i = 0; i < nSize; i++) { - lpTemp = m_SelRangePtrArr[i]; - int32_t nTempBgn = lpTemp->nStart; - int32_t nTempEnd = nTempBgn + lpTemp->nCount - 1; - if (bBegin) { - if (nEnd < nTempBgn) { - break; - } else if (nStart >= nTempBgn && nStart <= nTempEnd) { - nRangeCnt++; - break; - } - nRangeCnt++; - } else { - if (nStart <= nTempEnd) { - nRangeBgn = i; - if (nEnd < nTempBgn) { - break; - } - nRangeCnt = 1; - bBegin = TRUE; - } - } - } - if (nRangeCnt == 0) { - FDE_TXTEDTSELRANGE* lpSelRange = new FDE_TXTEDTSELRANGE; - lpSelRange->nStart = nStart; - lpSelRange->nCount = nCount; - m_SelRangePtrArr.InsertAt(nRangeBgn, lpSelRange); - } else { - lpTemp = m_SelRangePtrArr[nRangeBgn]; - lpTemp->nStart = nStart; - lpTemp->nCount = nCount; - nRangeCnt--; - nRangeBgn++; - while (nRangeCnt--) { - delete m_SelRangePtrArr[nRangeBgn]; - m_SelRangePtrArr.RemoveAt(nRangeBgn); - } - } - m_Param.pEventSink->On_SelChanged(this); -} - -int32_t CFDE_TxtEdtEngine::CountSelRanges() { - return m_SelRangePtrArr.GetSize(); -} -int32_t CFDE_TxtEdtEngine::GetSelRange(int32_t nIndex, int32_t& nStart) { - nStart = m_SelRangePtrArr[nIndex]->nStart; - return m_SelRangePtrArr[nIndex]->nCount; -} - -void CFDE_TxtEdtEngine::ClearSelection() { - int32_t nCount = m_SelRangePtrArr.GetSize(); - for (int i = 0; i < nCount; ++i) - delete m_SelRangePtrArr[i]; - m_SelRangePtrArr.RemoveAll(); - if (nCount && m_Param.pEventSink) - m_Param.pEventSink->On_SelChanged(this); -} - -FX_BOOL CFDE_TxtEdtEngine::Redo(const IFDE_TxtEdtDoRecord* pDoRecord) { - if (IsLocked()) - return FALSE; - if (m_Param.dwMode & FDE_TEXTEDITMODE_NoRedoUndo) - return FALSE; - return pDoRecord->Redo(); -} - -FX_BOOL CFDE_TxtEdtEngine::Undo(const IFDE_TxtEdtDoRecord* pDoRecord) { - if (IsLocked()) - return FALSE; - if (m_Param.dwMode & FDE_TEXTEDITMODE_NoRedoUndo) - return FALSE; - return pDoRecord->Undo(); -} - -int32_t CFDE_TxtEdtEngine::StartLayout() { - Lock(); - RemoveAllPages(); - m_nLayoutPos = 0; - m_nLineCount = 0; - return 0; -} -int32_t CFDE_TxtEdtEngine::DoLayout(IFX_Pause* pPause) { - int32_t nCount = m_ParagPtrArray.GetSize(); - CFDE_TxtEdtParag* pParag = NULL; - int32_t nLineCount = 0; - for (; m_nLayoutPos < nCount; m_nLayoutPos++) { - pParag = m_ParagPtrArray[m_nLayoutPos]; - pParag->CalcLines(); - nLineCount += pParag->GetLineCount(); - if ((pPause != NULL) && (nLineCount > m_nPageLineCount) && - pPause->NeedToPauseNow()) { - m_nLineCount += nLineCount; - return (++m_nLayoutPos * 100) / nCount; - } - } - m_nLineCount += nLineCount; - return 100; -} -void CFDE_TxtEdtEngine::EndLayout() { - UpdatePages(); - int32_t nLength = GetTextLength(); - if (m_nCaret > nLength) { - m_nCaret = nLength; - } - int32_t nIndex = m_nCaret; - if (!m_bBefore) { - nIndex--; - } - m_rtCaret.Set(0, 0, 1, m_Param.fFontSize); - Unlock(); -} -FX_BOOL CFDE_TxtEdtEngine::Optimize(IFX_Pause* pPause) { - return m_pTxtBuf->Optimize(pPause); -} -CFDE_TxtEdtBuf* CFDE_TxtEdtEngine::GetTextBuf() const { - return m_pTxtBuf; -} -int32_t CFDE_TxtEdtEngine::GetTextBufLength() const { - return m_pTxtBuf->GetTextLength() - 1; -} -CFX_TxtBreak* CFDE_TxtEdtEngine::GetTextBreak() const { - return m_pTextBreak; -} -int32_t CFDE_TxtEdtEngine::GetLineCount() const { - return m_nLineCount; -} -int32_t CFDE_TxtEdtEngine::GetPageLineCount() const { - return m_nPageLineCount; -} -int32_t CFDE_TxtEdtEngine::CountParags() const { - return m_ParagPtrArray.GetSize(); -} -CFDE_TxtEdtParag* CFDE_TxtEdtEngine::GetParag(int32_t nParagIndex) const { - return m_ParagPtrArray[nParagIndex]; -} -IFX_CharIter* CFDE_TxtEdtEngine::CreateCharIter() { - if (!m_pTxtBuf) { - return NULL; - } - return new CFDE_TxtEdtBufIter((CFDE_TxtEdtBuf*)m_pTxtBuf); -} -int32_t CFDE_TxtEdtEngine::Line2Parag(int32_t nStartParag, - int32_t nStartLineofParag, - int32_t nLineIndex, - int32_t& nStartLine) const { - int32_t nLineTotal = nStartLineofParag; - int32_t nCount = m_ParagPtrArray.GetSize(); - CFDE_TxtEdtParag* pParag = NULL; - int32_t i = nStartParag; - for (; i < nCount; i++) { - pParag = m_ParagPtrArray[i]; - nLineTotal += pParag->GetLineCount(); - if (nLineTotal > nLineIndex) { - break; - } - } - nStartLine = nLineTotal - pParag->GetLineCount(); - return i; -} -void CFDE_TxtEdtEngine::GetPreDeleteText(CFX_WideString& wsText, - int32_t nIndex, - int32_t nLength) { - GetText(wsText, 0, GetTextBufLength()); - wsText.Delete(nIndex, nLength); -} -void CFDE_TxtEdtEngine::GetPreInsertText(CFX_WideString& wsText, - int32_t nIndex, - const FX_WCHAR* lpText, - int32_t nLength) { - GetText(wsText, 0, GetTextBufLength()); - int32_t nSelIndex = 0; - int32_t nSelLength = 0; - int32_t nSelCount = CountSelRanges(); - while (nSelCount--) { - nSelLength = GetSelRange(nSelCount, nSelIndex); - wsText.Delete(nSelIndex, nSelLength); - nIndex = nSelIndex; - } - CFX_WideString wsTemp; - int32_t nOldLength = wsText.GetLength(); - const FX_WCHAR* pOldBuffer = wsText.c_str(); - FX_WCHAR* lpBuffer = wsTemp.GetBuffer(nOldLength + nLength); - FXSYS_memcpy(lpBuffer, pOldBuffer, (nIndex) * sizeof(FX_WCHAR)); - FXSYS_memcpy(lpBuffer + nIndex, lpText, nLength * sizeof(FX_WCHAR)); - FXSYS_memcpy(lpBuffer + nIndex + nLength, pOldBuffer + nIndex, - (nOldLength - nIndex) * sizeof(FX_WCHAR)); - wsTemp.ReleaseBuffer(nOldLength + nLength); - wsText = wsTemp; -} -void CFDE_TxtEdtEngine::GetPreReplaceText(CFX_WideString& wsText, - int32_t nIndex, - int32_t nOriginLength, - const FX_WCHAR* lpText, - int32_t nLength) { - GetText(wsText, 0, GetTextBufLength()); - int32_t nSelIndex = 0; - int32_t nSelLength = 0; - int32_t nSelCount = CountSelRanges(); - while (nSelCount--) { - nSelLength = GetSelRange(nSelCount, nSelIndex); - wsText.Delete(nSelIndex, nSelLength); - } - wsText.Delete(nIndex, nOriginLength); - int32_t i = 0; - for (i = 0; i < nLength; i++) { - wsText.Insert(nIndex++, lpText[i]); - } -} -void CFDE_TxtEdtEngine::Inner_Insert(int32_t nStart, - const FX_WCHAR* lpText, - int32_t nLength) { - ASSERT(nLength > 0); - FDE_TXTEDTPARAGPOS ParagPos; - TextPos2ParagPos(nStart, ParagPos); - m_Param.pEventSink->On_PageUnload(this, m_nCaretPage, 0); - int32_t nParagCount = m_ParagPtrArray.GetSize(); - int32_t i = 0; - for (i = ParagPos.nParagIndex + 1; i < nParagCount; i++) - m_ParagPtrArray[i]->IncrementStartIndex(nLength); - - CFDE_TxtEdtParag* pParag = m_ParagPtrArray[ParagPos.nParagIndex]; - int32_t nReserveLineCount = pParag->GetLineCount(); - int32_t nReserveCharStart = pParag->GetStartIndex(); - int32_t nLeavePart = ParagPos.nCharIndex; - int32_t nCutPart = pParag->GetTextLength() - ParagPos.nCharIndex; - int32_t nTextStart = 0; - FX_WCHAR wCurChar = L' '; - const FX_WCHAR* lpPos = lpText; - FX_BOOL bFirst = TRUE; - int32_t nParagIndex = ParagPos.nParagIndex; - for (i = 0; i < nLength; i++, lpPos++) { - wCurChar = *lpPos; - if (wCurChar == m_wLineEnd) { - if (bFirst) { - pParag->SetTextLength(nLeavePart + (i - nTextStart + 1)); - pParag->SetLineCount(-1); - nReserveCharStart += pParag->GetTextLength(); - bFirst = FALSE; - } else { - pParag = new CFDE_TxtEdtParag(this); - pParag->SetLineCount(-1); - pParag->SetTextLength(i - nTextStart + 1); - pParag->SetStartIndex(nReserveCharStart); - m_ParagPtrArray.InsertAt(++nParagIndex, pParag); - nReserveCharStart += pParag->GetTextLength(); - } - nTextStart = i + 1; - } - } - if (bFirst) { - pParag->IncrementTextLength(nLength); - pParag->SetLineCount(-1); - bFirst = FALSE; - } else { - pParag = new CFDE_TxtEdtParag(this); - pParag->SetLineCount(-1); - pParag->SetTextLength(nLength - nTextStart + nCutPart); - pParag->SetStartIndex(nReserveCharStart); - m_ParagPtrArray.InsertAt(++nParagIndex, pParag); - } - m_pTxtBuf->Insert(nStart, lpText, nLength); - int32_t nTotalLineCount = 0; - for (i = ParagPos.nParagIndex; i <= nParagIndex; i++) { - pParag = m_ParagPtrArray[i]; - pParag->CalcLines(); - nTotalLineCount += pParag->GetLineCount(); - } - m_nLineCount += nTotalLineCount - nReserveLineCount; - m_Param.pEventSink->On_PageLoad(this, m_nCaretPage, 0); - UpdatePages(); -} - -void CFDE_TxtEdtEngine::Inner_DeleteRange(int32_t nStart, int32_t nCount) { - if (nCount == -1) { - nCount = m_pTxtBuf->GetTextLength() - nStart; - } - int32_t nEnd = nStart + nCount - 1; - ASSERT(nStart >= 0 && nEnd < m_pTxtBuf->GetTextLength()); - m_Param.pEventSink->On_PageUnload(this, m_nCaretPage, 0); - FDE_TXTEDTPARAGPOS ParagPosBgn, ParagPosEnd; - TextPos2ParagPos(nStart, ParagPosBgn); - TextPos2ParagPos(nEnd, ParagPosEnd); - CFDE_TxtEdtParag* pParag = m_ParagPtrArray[ParagPosEnd.nParagIndex]; - FX_BOOL bLastParag = FALSE; - if (ParagPosEnd.nCharIndex == pParag->GetTextLength() - 1) { - if (ParagPosEnd.nParagIndex < m_ParagPtrArray.GetSize() - 1) { - ParagPosEnd.nParagIndex++; - } else { - bLastParag = TRUE; - } - } - int32_t nTotalLineCount = 0; - int32_t nTotalCharCount = 0; - int32_t i = 0; - for (i = ParagPosBgn.nParagIndex; i <= ParagPosEnd.nParagIndex; i++) { - CFDE_TxtEdtParag* pParag = m_ParagPtrArray[i]; - pParag->CalcLines(); - nTotalLineCount += pParag->GetLineCount(); - nTotalCharCount += pParag->GetTextLength(); - } - m_pTxtBuf->Delete(nStart, nCount); - int32_t nNextParagIndex = (ParagPosBgn.nCharIndex == 0 && bLastParag) - ? ParagPosBgn.nParagIndex - : (ParagPosBgn.nParagIndex + 1); - for (i = nNextParagIndex; i <= ParagPosEnd.nParagIndex; i++) { - delete m_ParagPtrArray[nNextParagIndex]; - m_ParagPtrArray.RemoveAt(nNextParagIndex); - } - if (!(bLastParag && ParagPosBgn.nCharIndex == 0)) { - pParag = m_ParagPtrArray[ParagPosBgn.nParagIndex]; - pParag->SetTextLength(nTotalCharCount - nCount); - pParag->CalcLines(); - nTotalLineCount -= pParag->GetTextLength(); - } - int32_t nParagCount = m_ParagPtrArray.GetSize(); - for (i = nNextParagIndex; i < nParagCount; i++) - m_ParagPtrArray[i]->DecrementStartIndex(nCount); - - m_nLineCount -= nTotalLineCount; - UpdatePages(); - int32_t nPageCount = CountPages(); - if (m_nCaretPage >= nPageCount) { - m_nCaretPage = nPageCount - 1; - } - m_Param.pEventSink->On_PageLoad(this, m_nCaretPage, 0); -} -void CFDE_TxtEdtEngine::DeleteRange_DoRecord(int32_t nStart, - int32_t nCount, - FX_BOOL bSel) { - ASSERT(nStart >= 0); - if (nCount == -1) { - nCount = GetTextLength() - nStart; - } - ASSERT((nStart + nCount) <= m_pTxtBuf->GetTextLength()); - - if (!(m_Param.dwMode & FDE_TEXTEDITMODE_NoRedoUndo)) { - CFX_WideString wsRange; - m_pTxtBuf->GetRange(wsRange, nStart, nCount); - m_Param.pEventSink->On_AddDoRecord( - this, new CFDE_TxtEdtDoRecord_DeleteRange(this, nStart, m_nCaret, - wsRange, bSel)); - } - m_ChangeInfo.nChangeType = FDE_TXTEDT_TEXTCHANGE_TYPE_Delete; - GetText(m_ChangeInfo.wsDelete, nStart, nCount); - Inner_DeleteRange(nStart, nCount); -} -void CFDE_TxtEdtEngine::ResetEngine() { - RemoveAllPages(); - RemoveAllParags(); - ClearSelection(); - m_nCaret = 0; - m_pTxtBuf->Clear(FALSE); - m_nCaret = 0; -} -void CFDE_TxtEdtEngine::RebuildParagraphs() { - RemoveAllParags(); - FX_WCHAR wChar = L' '; - int32_t nParagStart = 0; - int32_t nIndex = 0; - std::unique_ptr<IFX_CharIter> pIter( - new CFDE_TxtEdtBufIter(static_cast<CFDE_TxtEdtBuf*>(m_pTxtBuf))); - pIter->SetAt(0); - do { - wChar = pIter->GetChar(); - nIndex = pIter->GetAt(); - if (wChar == m_wLineEnd) { - CFDE_TxtEdtParag* pParag = new CFDE_TxtEdtParag(this); - pParag->SetStartIndex(nParagStart); - pParag->SetTextLength(nIndex - nParagStart + 1); - pParag->SetLineCount(-1); - m_ParagPtrArray.Add(pParag); - nParagStart = nIndex + 1; - } - } while (pIter->Next()); -} - -void CFDE_TxtEdtEngine::RemoveAllParags() { - int32_t nCount = m_ParagPtrArray.GetSize(); - for (int i = 0; i < nCount; ++i) - delete m_ParagPtrArray[i]; - m_ParagPtrArray.RemoveAll(); -} - -void CFDE_TxtEdtEngine::RemoveAllPages() { - int32_t nCount = m_PagePtrArray.GetSize(); - int32_t i = 0; - for (i = 0; i < nCount; i++) { - IFDE_TxtEdtPage* pPage = m_PagePtrArray[i]; - if (pPage) { - pPage->Release(); - } - } - m_PagePtrArray.RemoveAll(); -} -void CFDE_TxtEdtEngine::UpdateParags() { - int32_t nCount = m_ParagPtrArray.GetSize(); - if (nCount == 0) { - return; - } - CFDE_TxtEdtParag* pParag = NULL; - int32_t nLineCount = 0; - int32_t i = 0; - for (i = 0; i < nCount; i++) { - pParag = m_ParagPtrArray[i]; - if (pParag->GetLineCount() == -1) - pParag->CalcLines(); - - nLineCount += pParag->GetLineCount(); - } - m_nLineCount = nLineCount; -} -void CFDE_TxtEdtEngine::UpdatePages() { - if (m_nLineCount == 0) - return; - - int32_t nPageCount = (m_nLineCount - 1) / (m_nPageLineCount) + 1; - int32_t nSize = m_PagePtrArray.GetSize(); - if (nSize == nPageCount) - return; - - if (nSize > nPageCount) { - IFDE_TxtEdtPage* pPage = NULL; - int32_t i = 0; - for (i = nSize - 1; i >= nPageCount; i--) { - pPage = m_PagePtrArray[i]; - if (pPage) { - pPage->Release(); - } - m_PagePtrArray.RemoveAt(i); - } - return; - } - if (nSize < nPageCount) { - IFDE_TxtEdtPage* pPage = NULL; - int32_t i = 0; - for (i = nSize; i < nPageCount; i++) { - pPage = IFDE_TxtEdtPage::Create(this, i); - m_PagePtrArray.Add(pPage); - } - return; - } -} -void CFDE_TxtEdtEngine::UpdateTxtBreak() { - uint32_t dwStyle = m_pTextBreak->GetLayoutStyles(); - if (m_Param.dwMode & FDE_TEXTEDITMODE_MultiLines) { - dwStyle &= ~FX_TXTLAYOUTSTYLE_SingleLine; - } else { - dwStyle |= FX_TXTLAYOUTSTYLE_SingleLine; - } - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) { - dwStyle |= FX_TXTLAYOUTSTYLE_VerticalLayout; - } else { - dwStyle &= ~FX_TXTLAYOUTSTYLE_VerticalLayout; - } - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_LineReserve) { - dwStyle |= FX_TXTLAYOUTSTYLE_ReverseLine; - } else { - dwStyle &= ~FX_TXTLAYOUTSTYLE_ReverseLine; - } - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_RTL) { - dwStyle |= FX_TXTLAYOUTSTYLE_RTLReadingOrder; - } else { - dwStyle &= ~FX_TXTLAYOUTSTYLE_RTLReadingOrder; - } - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_CombText) { - dwStyle |= FX_TXTLAYOUTSTYLE_CombText; - } else { - dwStyle &= ~FX_TXTLAYOUTSTYLE_CombText; - } - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_CharVertial) { - dwStyle |= FX_TXTLAYOUTSTYLE_VerticalChars; - } else { - dwStyle &= ~FX_TXTLAYOUTSTYLE_VerticalChars; - } - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_ExpandTab) { - dwStyle |= FX_TXTLAYOUTSTYLE_ExpandTab; - } else { - dwStyle &= ~FX_TXTLAYOUTSTYLE_ExpandTab; - } - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_ArabicContext) { - dwStyle |= FX_TXTLAYOUTSTYLE_ArabicContext; - } else { - dwStyle &= ~FX_TXTLAYOUTSTYLE_ArabicContext; - } - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_ArabicShapes) { - dwStyle |= FX_TXTLAYOUTSTYLE_ArabicShapes; - } else { - dwStyle &= ~FX_TXTLAYOUTSTYLE_ArabicShapes; - } - m_pTextBreak->SetLayoutStyles(dwStyle); - uint32_t dwAligment = 0; - if (m_Param.dwAlignment & FDE_TEXTEDITALIGN_Justified) { - dwAligment |= FX_TXTLINEALIGNMENT_Justified; - } else if (m_Param.dwAlignment & FDE_TEXTEDITALIGN_Distributed) { - dwAligment |= FX_TXTLINEALIGNMENT_Distributed; - } - if (m_Param.dwAlignment & FDE_TEXTEDITALIGN_Center) { - dwAligment |= FX_TXTLINEALIGNMENT_Center; - } else if (m_Param.dwAlignment & FDE_TEXTEDITALIGN_Right) { - dwAligment |= FX_TXTLINEALIGNMENT_Right; - } - m_pTextBreak->SetAlignment(dwAligment); - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) { - if (m_Param.dwMode & FDE_TEXTEDITMODE_AutoLineWrap) { - m_pTextBreak->SetLineWidth(m_Param.fPlateHeight); - } else { - m_pTextBreak->SetLineWidth(FDE_PAGEWIDTH_MAX); - } - } else { - if (m_Param.dwMode & FDE_TEXTEDITMODE_AutoLineWrap) { - m_pTextBreak->SetLineWidth(m_Param.fPlateWidth); - } else { - m_pTextBreak->SetLineWidth(FDE_PAGEWIDTH_MAX); - } - } - m_nPageLineCount = m_Param.nLineCount; - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_CombText) { - FX_FLOAT fCombWidth = - m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical - ? m_Param.fPlateHeight - : m_Param.fPlateWidth; - if (m_nLimit > 0) { - fCombWidth /= m_nLimit; - } - m_pTextBreak->SetCombWidth(fCombWidth); - } - m_pTextBreak->SetFont(m_Param.pFont); - m_pTextBreak->SetFontSize(m_Param.fFontSize); - m_pTextBreak->SetTabWidth(m_Param.fTabWidth, m_Param.bTabEquidistant); - m_pTextBreak->SetDefaultChar(m_Param.wDefChar); - m_pTextBreak->SetParagraphBreakChar(m_Param.wLineBreakChar); - m_pTextBreak->SetCharRotation(m_Param.nCharRotation); - m_pTextBreak->SetLineBreakTolerance(m_Param.fFontSize * 0.2f); - m_pTextBreak->SetHorizontalScale(m_Param.nHorzScale); - m_pTextBreak->SetCharSpace(m_Param.fCharSpace); -} -FX_BOOL CFDE_TxtEdtEngine::ReplaceParagEnd(FX_WCHAR*& lpText, - int32_t& nLength, - FX_BOOL bPreIsCR) { - for (int32_t i = 0; i < nLength; i++) { - FX_WCHAR wc = lpText[i]; - switch (wc) { - case L'\r': { - lpText[i] = m_wLineEnd; - bPreIsCR = TRUE; - } break; - case L'\n': { - if (bPreIsCR == TRUE) { - int32_t nNext = i + 1; - if (nNext < nLength) { - FXSYS_memmove(lpText + i, lpText + nNext, - (nLength - nNext) * sizeof(FX_WCHAR)); - } - i--; - nLength--; - bPreIsCR = FALSE; - if (m_bAutoLineEnd) { - m_nFirstLineEnd = FDE_TXTEDIT_LINEEND_CRLF; - m_bAutoLineEnd = FALSE; - } - } else { - lpText[i] = m_wLineEnd; - if (m_bAutoLineEnd) { - m_nFirstLineEnd = FDE_TXTEDIT_LINEEND_LF; - m_bAutoLineEnd = FALSE; - } - } - } break; - default: { - if (bPreIsCR && m_bAutoLineEnd) { - m_nFirstLineEnd = FDE_TXTEDIT_LINEEND_CR; - m_bAutoLineEnd = FALSE; - } - bPreIsCR = FALSE; - } break; - } - } - return bPreIsCR; -} -void CFDE_TxtEdtEngine::RecoverParagEnd(CFX_WideString& wsText) { - FX_WCHAR wc = (m_nFirstLineEnd == FDE_TXTEDIT_LINEEND_CR) ? L'\n' : L'\r'; - if (m_nFirstLineEnd == FDE_TXTEDIT_LINEEND_CRLF) { - CFX_ArrayTemplate<int32_t> PosArr; - int32_t nLength = wsText.GetLength(); - int32_t i = 0; - FX_WCHAR* lpPos = const_cast<FX_WCHAR*>(wsText.c_str()); - for (i = 0; i < nLength; i++, lpPos++) { - if (*lpPos == m_wLineEnd) { - *lpPos = wc; - PosArr.Add(i); - } - } - const FX_WCHAR* lpSrcBuf = wsText.c_str(); - CFX_WideString wsTemp; - int32_t nCount = PosArr.GetSize(); - FX_WCHAR* lpDstBuf = wsTemp.GetBuffer(nLength + nCount); - int32_t nDstPos = 0; - int32_t nSrcPos = 0; - for (i = 0; i < nCount; i++) { - int32_t nPos = PosArr[i]; - int32_t nCopyLen = nPos - nSrcPos + 1; - FXSYS_memcpy(lpDstBuf + nDstPos, lpSrcBuf + nSrcPos, - nCopyLen * sizeof(FX_WCHAR)); - nDstPos += nCopyLen; - nSrcPos += nCopyLen; - lpDstBuf[nDstPos] = L'\n'; - nDstPos++; - } - if (nSrcPos < nLength) { - FXSYS_memcpy(lpDstBuf + nDstPos, lpSrcBuf + nSrcPos, - (nLength - nSrcPos) * sizeof(FX_WCHAR)); - } - wsTemp.ReleaseBuffer(nLength + nCount); - wsText = wsTemp; - } else { - int32_t nLength = wsText.GetLength(); - FX_WCHAR* lpBuf = const_cast<FX_WCHAR*>(wsText.c_str()); - for (int32_t i = 0; i < nLength; i++, lpBuf++) { - if (*lpBuf == m_wLineEnd) { - *lpBuf = wc; - } - } - } -} -int32_t CFDE_TxtEdtEngine::MovePage2Char(int32_t nIndex) { - ASSERT(nIndex >= 0); - ASSERT(nIndex <= m_pTxtBuf->GetTextLength()); - if (m_nCaretPage >= 0) { - IFDE_TxtEdtPage* pPage = m_PagePtrArray[m_nCaretPage]; - m_Param.pEventSink->On_PageLoad(this, m_nCaretPage, 0); - int32_t nPageCharStart = pPage->GetCharStart(); - int32_t nPageCharCount = pPage->GetCharCount(); - if (nIndex >= nPageCharStart && nIndex < nPageCharStart + nPageCharCount) { - m_Param.pEventSink->On_PageUnload(this, m_nCaretPage, 0); - return m_nCaretPage; - } - m_Param.pEventSink->On_PageUnload(this, m_nCaretPage, 0); - } - CFDE_TxtEdtParag* pParag = NULL; - int32_t nLineCount = 0; - int32_t nParagCount = m_ParagPtrArray.GetSize(); - int32_t i = 0; - for (i = 0; i < nParagCount; i++) { - pParag = m_ParagPtrArray[i]; - if (pParag->GetStartIndex() <= nIndex && - nIndex < (pParag->GetStartIndex() + pParag->GetTextLength())) { - break; - } - nLineCount += pParag->GetLineCount(); - } - pParag->LoadParag(); - int32_t nLineStart = -1; - int32_t nLineCharCount = -1; - for (i = 0; i < pParag->GetLineCount(); i++) { - pParag->GetLineRange(i, nLineStart, nLineCharCount); - if (nLineStart <= nIndex && nIndex < (nLineStart + nLineCharCount)) { - break; - } - } - ASSERT(i < pParag->GetLineCount()); - nLineCount += (i + 1); - m_nCaretPage = (nLineCount - 1) / m_nPageLineCount + 1 - 1; - pParag->UnloadParag(); - return m_nCaretPage; -} -void CFDE_TxtEdtEngine::TextPos2ParagPos(int32_t nIndex, - FDE_TXTEDTPARAGPOS& ParagPos) const { - ASSERT(nIndex >= 0 && nIndex < m_pTxtBuf->GetTextLength()); - int32_t nCount = m_ParagPtrArray.GetSize(); - int32_t nBgn = 0; - int32_t nMid = 0; - int32_t nEnd = nCount - 1; - while (nEnd > nBgn) { - nMid = (nBgn + nEnd) / 2; - CFDE_TxtEdtParag* pParag = m_ParagPtrArray[nMid]; - if (nIndex < pParag->GetStartIndex()) { - nEnd = nMid - 1; - } else if (nIndex >= (pParag->GetStartIndex() + pParag->GetTextLength())) { - nBgn = nMid + 1; - } else { - break; - } - } - if (nBgn == nEnd) { - nMid = nBgn; - } - ASSERT(nIndex >= m_ParagPtrArray[nMid]->GetStartIndex() && - (nIndex < m_ParagPtrArray[nMid]->GetStartIndex() + - m_ParagPtrArray[nMid]->GetTextLength())); - ParagPos.nParagIndex = nMid; - ParagPos.nCharIndex = nIndex - m_ParagPtrArray[nMid]->GetStartIndex(); -} -int32_t CFDE_TxtEdtEngine::MoveForward(FX_BOOL& bBefore) { - if (m_nCaret == m_pTxtBuf->GetTextLength() - 1) { - return -1; - } - int32_t nCaret = m_nCaret; - if ((nCaret + 1 < m_pTxtBuf->GetTextLength()) && - (m_pTxtBuf->GetCharByIndex(nCaret) == L'\r') && - (m_pTxtBuf->GetCharByIndex(nCaret + 1) == L'\n')) { - nCaret++; - } - nCaret++; - bBefore = TRUE; - return nCaret; -} -int32_t CFDE_TxtEdtEngine::MoveBackward(FX_BOOL& bBefore) { - if (m_nCaret == 0) { - return FALSE; - } - int32_t nCaret = m_nCaret; - if (nCaret > 2 && m_pTxtBuf->GetCharByIndex(nCaret - 1) == L'\n' && - m_pTxtBuf->GetCharByIndex(nCaret - 2) == L'\r') { - nCaret--; - } - nCaret--; - bBefore = TRUE; - return nCaret; -} -FX_BOOL CFDE_TxtEdtEngine::MoveUp(CFX_PointF& ptCaret) { - IFDE_TxtEdtPage* pPage = GetPage(m_nCaretPage); - const CFX_RectF& rtContent = pPage->GetContentsBox(); - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) { - ptCaret.x = m_rtCaret.left + m_rtCaret.width / 2 - m_Param.fLineSpace; - ptCaret.y = m_fCaretPosReserve; - FX_BOOL bLineReserve = - m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_LineReserve; - if (ptCaret.x < rtContent.left) { - if (bLineReserve) { - if (m_nCaretPage == CountPages() - 1) { - return FALSE; - } - } else { - if (m_nCaretPage == 0) { - return FALSE; - } - } - if (bLineReserve) { - m_nCaretPage++; - } else { - m_nCaretPage--; - } - ptCaret.x -= rtContent.left; - IFDE_TxtEdtPage* pCurPage = GetPage(m_nCaretPage); - ptCaret.x += pCurPage->GetContentsBox().right(); - } - } else { - ptCaret.x = m_fCaretPosReserve; - ptCaret.y = m_rtCaret.top + m_rtCaret.height / 2 - m_Param.fLineSpace; - if (ptCaret.y < rtContent.top) { - if (m_nCaretPage == 0) { - return FALSE; - } - ptCaret.y -= rtContent.top; - m_nCaretPage--; - IFDE_TxtEdtPage* pCurPage = GetPage(m_nCaretPage); - ptCaret.y += pCurPage->GetContentsBox().bottom(); - } - } - return TRUE; -} -FX_BOOL CFDE_TxtEdtEngine::MoveDown(CFX_PointF& ptCaret) { - IFDE_TxtEdtPage* pPage = GetPage(m_nCaretPage); - const CFX_RectF& rtContent = pPage->GetContentsBox(); - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) { - ptCaret.x = m_rtCaret.left + m_rtCaret.width / 2 + m_Param.fLineSpace; - ptCaret.y = m_fCaretPosReserve; - if (ptCaret.x >= rtContent.right()) { - FX_BOOL bLineReserve = - m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_LineReserve; - if (bLineReserve) { - if (m_nCaretPage == 0) { - return FALSE; - } - } else { - if (m_nCaretPage == CountPages() - 1) { - return FALSE; - } - } - if (bLineReserve) { - m_nCaretPage--; - } else { - m_nCaretPage++; - } - ptCaret.x -= rtContent.right(); - IFDE_TxtEdtPage* pCurPage = GetPage(m_nCaretPage); - ptCaret.x += pCurPage->GetContentsBox().left; - } - } else { - ptCaret.x = m_fCaretPosReserve; - ptCaret.y = m_rtCaret.top + m_rtCaret.height / 2 + m_Param.fLineSpace; - if (ptCaret.y >= rtContent.bottom()) { - if (m_nCaretPage == CountPages() - 1) { - return FALSE; - } - ptCaret.y -= rtContent.bottom(); - m_nCaretPage++; - IFDE_TxtEdtPage* pCurPage = GetPage(m_nCaretPage); - ptCaret.y += pCurPage->GetContentsBox().top; - } - } - return TRUE; -} -FX_BOOL CFDE_TxtEdtEngine::MoveLineStart() { - int32_t nIndex = m_bBefore ? m_nCaret : m_nCaret - 1; - FDE_TXTEDTPARAGPOS ParagPos; - TextPos2ParagPos(nIndex, ParagPos); - CFDE_TxtEdtParag* pParag = m_ParagPtrArray[ParagPos.nParagIndex]; - pParag->LoadParag(); - int32_t nLineCount = pParag->GetLineCount(); - int32_t i = 0; - int32_t nStart = 0; - int32_t nCount = 0; - for (; i < nLineCount; i++) { - pParag->GetLineRange(i, nStart, nCount); - if (nIndex >= nStart && nIndex < nStart + nCount) { - break; - } - } - UpdateCaretRect(nStart, TRUE); - pParag->UnloadParag(); - return TRUE; -} -FX_BOOL CFDE_TxtEdtEngine::MoveLineEnd() { - int32_t nIndex = m_bBefore ? m_nCaret : m_nCaret - 1; - FDE_TXTEDTPARAGPOS ParagPos; - TextPos2ParagPos(nIndex, ParagPos); - CFDE_TxtEdtParag* pParag = m_ParagPtrArray[ParagPos.nParagIndex]; - pParag->LoadParag(); - int32_t nLineCount = pParag->GetLineCount(); - int32_t i = 0; - int32_t nStart = 0; - int32_t nCount = 0; - for (; i < nLineCount; i++) { - pParag->GetLineRange(i, nStart, nCount); - if (nIndex >= nStart && nIndex < nStart + nCount) { - break; - } - } - nIndex = nStart + nCount - 1; - ASSERT(nIndex <= GetTextBufLength()); - FX_WCHAR wChar = m_pTxtBuf->GetCharByIndex(nIndex); - FX_BOOL bBefore = FALSE; - if (nIndex <= GetTextBufLength()) { - if (wChar == L'\r') { - bBefore = TRUE; - } else if (wChar == L'\n' && nIndex > nStart) { - bBefore = TRUE; - nIndex--; - wChar = m_pTxtBuf->GetCharByIndex(nIndex); - if (wChar != L'\r') { - nIndex++; - } - } - } - UpdateCaretRect(nIndex, bBefore); - pParag->UnloadParag(); - return TRUE; -} -FX_BOOL CFDE_TxtEdtEngine::MoveParagStart() { - int32_t nIndex = m_bBefore ? m_nCaret : m_nCaret - 1; - FDE_TXTEDTPARAGPOS ParagPos; - TextPos2ParagPos(nIndex, ParagPos); - CFDE_TxtEdtParag* pParag = m_ParagPtrArray[ParagPos.nParagIndex]; - UpdateCaretRect(pParag->GetStartIndex(), TRUE); - return TRUE; -} -FX_BOOL CFDE_TxtEdtEngine::MoveParagEnd() { - int32_t nIndex = m_bBefore ? m_nCaret : m_nCaret - 1; - FDE_TXTEDTPARAGPOS ParagPos; - TextPos2ParagPos(nIndex, ParagPos); - CFDE_TxtEdtParag* pParag = m_ParagPtrArray[ParagPos.nParagIndex]; - nIndex = pParag->GetStartIndex() + pParag->GetTextLength() - 1; - FX_WCHAR wChar = m_pTxtBuf->GetCharByIndex(nIndex); - if (wChar == L'\n' && nIndex > 0) { - nIndex--; - wChar = m_pTxtBuf->GetCharByIndex(nIndex); - if (wChar != L'\r') { - nIndex++; - } - } - UpdateCaretRect(nIndex, TRUE); - return TRUE; -} -FX_BOOL CFDE_TxtEdtEngine::MoveHome() { - UpdateCaretRect(0, TRUE); - return TRUE; -} -FX_BOOL CFDE_TxtEdtEngine::MoveEnd() { - UpdateCaretRect(GetTextBufLength(), TRUE); - return TRUE; -} - -FX_BOOL CFDE_TxtEdtEngine::IsFitArea(CFX_WideString& wsText) { - std::unique_ptr<CFDE_TextOut> pTextOut(new CFDE_TextOut); - pTextOut->SetLineSpace(m_Param.fLineSpace); - pTextOut->SetFont(m_Param.pFont); - pTextOut->SetFontSize(m_Param.fFontSize); - CFX_RectF rcText; - FXSYS_memset(&rcText, 0, sizeof(rcText)); - uint32_t dwStyle = 0; - if (!(m_Param.dwMode & FDE_TEXTEDITMODE_MultiLines)) { - dwStyle |= FDE_TTOSTYLE_SingleLine; - } - if (m_Param.dwMode & FDE_TEXTEDITMODE_AutoLineWrap) { - dwStyle |= FDE_TTOSTYLE_LineWrap; - rcText.width = m_Param.fPlateWidth; - } else { - rcText.width = 65535; - } - pTextOut->SetStyles(dwStyle); - wsText += L"\n"; - pTextOut->CalcLogicSize(wsText.c_str(), wsText.GetLength(), rcText); - wsText.Delete(wsText.GetLength() - 1); - if ((m_Param.dwMode & FDE_TEXTEDITMODE_LimitArea_Horz) && - (rcText.width > m_Param.fPlateWidth)) { - return FALSE; - } - if ((m_Param.dwMode & FDE_TEXTEDITMODE_LimitArea_Vert) && - (rcText.height > m_Param.fLineSpace * m_Param.nLineCount)) { - return FALSE; - } - return TRUE; -} -void CFDE_TxtEdtEngine::UpdateCaretRect(int32_t nIndex, FX_BOOL bBefore) { - MovePage2Char(nIndex); - GetCaretRect(m_rtCaret, m_nCaretPage, nIndex, bBefore); - m_nCaret = nIndex; - m_bBefore = bBefore; - if (!m_bBefore) { - m_nCaret++; - m_bBefore = TRUE; - } - m_fCaretPosReserve = (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) - ? m_rtCaret.top - : m_rtCaret.left; - m_Param.pEventSink->On_CaretChanged(this, m_nCaretPage, 0); -} -void CFDE_TxtEdtEngine::GetCaretRect(CFX_RectF& rtCaret, - int32_t nPageIndex, - int32_t nCaret, - FX_BOOL bBefore) { - IFDE_TxtEdtPage* pPage = m_PagePtrArray[m_nCaretPage]; - m_Param.pEventSink->On_PageLoad(this, m_nCaretPage, 0); - FX_BOOL bCombText = m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_CombText; - int32_t nIndexInpage = nCaret - pPage->GetCharStart(); - if (bBefore && bCombText && nIndexInpage > 0) { - nIndexInpage--; - bBefore = FALSE; - } - int32_t nBIDILevel = pPage->GetCharRect(nIndexInpage, rtCaret, bCombText); - if (m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) { - if ((!FX_IsOdd(nBIDILevel) && !bBefore) || - (FX_IsOdd(nBIDILevel) && bBefore)) { - rtCaret.Offset(0, rtCaret.height - 1.0f); - } - if (rtCaret.height == 0 && rtCaret.top > 1.0f) { - rtCaret.top -= 1.0f; - } - rtCaret.height = 1.0f; - } else { - if ((!FX_IsOdd(nBIDILevel) && !bBefore) || - (FX_IsOdd(nBIDILevel) && bBefore)) { - rtCaret.Offset(rtCaret.width - 1.0f, 0); - } - if (rtCaret.width == 0 && rtCaret.left > 1.0f) { - rtCaret.left -= 1.0f; - } - rtCaret.width = 1.0f; - } - m_Param.pEventSink->On_PageUnload(this, m_nCaretPage, 0); -} -void CFDE_TxtEdtEngine::UpdateCaretIndex(const CFX_PointF& ptCaret) { - IFDE_TxtEdtPage* pPage = m_PagePtrArray[m_nCaretPage]; - m_Param.pEventSink->On_PageLoad(this, m_nCaretPage, 0); - m_nCaret = pPage->GetCharIndex(ptCaret, m_bBefore); - GetCaretRect(m_rtCaret, m_nCaretPage, m_nCaret, m_bBefore); - if (!m_bBefore) { - m_nCaret++; - m_bBefore = TRUE; - } - m_Param.pEventSink->On_CaretChanged(this, m_nCaretPage); - m_Param.pEventSink->On_PageUnload(this, m_nCaretPage, 0); -} -FX_BOOL CFDE_TxtEdtEngine::IsSelect() { - return m_SelRangePtrArr.GetSize() > 0; -} -void CFDE_TxtEdtEngine::DeleteSelect() { - int32_t nCountRange = CountSelRanges(); - if (nCountRange > 0) { - int32_t nSelStart; - int32_t nSelCount; - while (nCountRange > 0) { - nSelCount = GetSelRange(--nCountRange, nSelStart); - delete m_SelRangePtrArr[nCountRange]; - m_SelRangePtrArr.RemoveAt(nCountRange); - DeleteRange_DoRecord(nSelStart, nSelCount, TRUE); - } - ClearSelection(); - m_Param.pEventSink->On_TextChanged(this, m_ChangeInfo); - m_Param.pEventSink->On_SelChanged(this); - SetCaretPos(nSelStart, TRUE); - return; - } -} - -CFDE_TxtEdtDoRecord_Insert::CFDE_TxtEdtDoRecord_Insert( - CFDE_TxtEdtEngine* pEngine, - int32_t nCaret, - const FX_WCHAR* lpText, - int32_t nLength) - : m_pEngine(pEngine), m_nCaret(nCaret) { - ASSERT(pEngine); - FX_WCHAR* lpBuffer = m_wsInsert.GetBuffer(nLength); - FXSYS_memcpy(lpBuffer, lpText, nLength * sizeof(FX_WCHAR)); - m_wsInsert.ReleaseBuffer(); -} - -CFDE_TxtEdtDoRecord_Insert::~CFDE_TxtEdtDoRecord_Insert() {} - -FX_BOOL CFDE_TxtEdtDoRecord_Insert::Undo() const { - if (m_pEngine->IsSelect()) { - m_pEngine->ClearSelection(); - } - m_pEngine->Inner_DeleteRange(m_nCaret, m_wsInsert.GetLength()); - FDE_TXTEDTPARAMS& Param = m_pEngine->m_Param; - m_pEngine->m_ChangeInfo.nChangeType = FDE_TXTEDT_TEXTCHANGE_TYPE_Delete; - m_pEngine->m_ChangeInfo.wsDelete = m_wsInsert; - Param.pEventSink->On_TextChanged(m_pEngine, m_pEngine->m_ChangeInfo); - m_pEngine->SetCaretPos(m_nCaret, TRUE); - return TRUE; -} - -FX_BOOL CFDE_TxtEdtDoRecord_Insert::Redo() const { - m_pEngine->Inner_Insert(m_nCaret, m_wsInsert.c_str(), m_wsInsert.GetLength()); - FDE_TXTEDTPARAMS& Param = m_pEngine->m_Param; - m_pEngine->m_ChangeInfo.nChangeType = FDE_TXTEDT_TEXTCHANGE_TYPE_Insert; - m_pEngine->m_ChangeInfo.wsDelete = m_wsInsert; - Param.pEventSink->On_TextChanged(m_pEngine, m_pEngine->m_ChangeInfo); - m_pEngine->SetCaretPos(m_nCaret, FALSE); - return TRUE; -} - -CFDE_TxtEdtDoRecord_DeleteRange::CFDE_TxtEdtDoRecord_DeleteRange( - CFDE_TxtEdtEngine* pEngine, - int32_t nIndex, - int32_t nCaret, - const CFX_WideString& wsRange, - FX_BOOL bSel) - : m_pEngine(pEngine), - m_bSel(bSel), - m_nIndex(nIndex), - m_nCaret(nCaret), - m_wsRange(wsRange) { - ASSERT(pEngine); -} - -CFDE_TxtEdtDoRecord_DeleteRange::~CFDE_TxtEdtDoRecord_DeleteRange() {} - -FX_BOOL CFDE_TxtEdtDoRecord_DeleteRange::Undo() const { - if (m_pEngine->IsSelect()) { - m_pEngine->ClearSelection(); - } - m_pEngine->Inner_Insert(m_nIndex, m_wsRange.c_str(), m_wsRange.GetLength()); - if (m_bSel) { - m_pEngine->AddSelRange(m_nIndex, m_wsRange.GetLength()); - } - FDE_TXTEDTPARAMS& Param = m_pEngine->m_Param; - m_pEngine->m_ChangeInfo.nChangeType = FDE_TXTEDT_TEXTCHANGE_TYPE_Insert; - m_pEngine->m_ChangeInfo.wsDelete = m_wsRange; - Param.pEventSink->On_TextChanged(m_pEngine, m_pEngine->m_ChangeInfo); - m_pEngine->SetCaretPos(m_nCaret, TRUE); - return TRUE; -} - -FX_BOOL CFDE_TxtEdtDoRecord_DeleteRange::Redo() const { - m_pEngine->Inner_DeleteRange(m_nIndex, m_wsRange.GetLength()); - if (m_bSel) { - m_pEngine->RemoveSelRange(m_nIndex, m_wsRange.GetLength()); - } - FDE_TXTEDTPARAMS& Param = m_pEngine->m_Param; - m_pEngine->m_ChangeInfo.nChangeType = FDE_TXTEDT_TEXTCHANGE_TYPE_Insert; - m_pEngine->m_ChangeInfo.wsDelete = m_wsRange; - Param.pEventSink->On_TextChanged(m_pEngine, m_pEngine->m_ChangeInfo); - m_pEngine->SetCaretPos(m_nIndex, TRUE); - return TRUE; -} |