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Diffstat (limited to 'fpdfsdk/pwl/cpwl_edit.cpp')
-rw-r--r--fpdfsdk/pwl/cpwl_edit.cpp709
1 files changed, 709 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_edit.cpp b/fpdfsdk/pwl/cpwl_edit.cpp
new file mode 100644
index 0000000000..4a19e70eb6
--- /dev/null
+++ b/fpdfsdk/pwl/cpwl_edit.cpp
@@ -0,0 +1,709 @@
+// 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 "fpdfsdk/pwl/cpwl_edit.h"
+
+#include <algorithm>
+#include <memory>
+#include <sstream>
+#include <vector>
+
+#include "core/fpdfapi/font/cpdf_font.h"
+#include "core/fpdfdoc/cpvt_word.h"
+#include "core/fxcrt/fx_safe_types.h"
+#include "core/fxcrt/xml/cxml_content.h"
+#include "core/fxcrt/xml/cxml_element.h"
+#include "core/fxge/cfx_graphstatedata.h"
+#include "core/fxge/cfx_pathdata.h"
+#include "core/fxge/cfx_renderdevice.h"
+#include "core/fxge/fx_font.h"
+#include "fpdfsdk/pwl/cpwl_caret.h"
+#include "fpdfsdk/pwl/cpwl_edit_ctrl.h"
+#include "fpdfsdk/pwl/cpwl_edit_impl.h"
+#include "fpdfsdk/pwl/cpwl_font_map.h"
+#include "fpdfsdk/pwl/cpwl_scroll_bar.h"
+#include "fpdfsdk/pwl/cpwl_wnd.h"
+#include "public/fpdf_fwlevent.h"
+#include "third_party/base/stl_util.h"
+
+CPWL_Edit::CPWL_Edit() : m_bFocus(false) {}
+
+CPWL_Edit::~CPWL_Edit() {
+ ASSERT(!m_bFocus);
+}
+
+CFX_ByteString CPWL_Edit::GetClassName() const {
+ return PWL_CLASSNAME_EDIT;
+}
+
+void CPWL_Edit::SetText(const CFX_WideString& csText) {
+ CFX_WideString swText = csText;
+ if (!HasFlag(PES_RICH)) {
+ m_pEdit->SetText(swText);
+ return;
+ }
+
+ CFX_ByteString sValue = CFX_ByteString::FromUnicode(swText);
+ std::unique_ptr<CXML_Element> pXML(
+ CXML_Element::Parse(sValue.c_str(), sValue.GetLength()));
+ if (!pXML) {
+ m_pEdit->SetText(swText);
+ return;
+ }
+ swText.clear();
+
+ bool bFirst = true;
+ int32_t nCount = pXML->CountChildren();
+ for (int32_t i = 0; i < nCount; i++) {
+ CXML_Element* pSubElement = ToElement(pXML->GetChild(i));
+ if (!pSubElement || !pSubElement->GetTagName().EqualNoCase("p"))
+ continue;
+
+ CFX_WideString swSection;
+ int nSubChild = pSubElement->CountChildren();
+ for (int32_t j = 0; j < nSubChild; j++) {
+ CXML_Content* pSubContent = ToContent(pSubElement->GetChild(j));
+ if (pSubContent)
+ swSection += pSubContent->m_Content;
+ }
+ if (bFirst)
+ bFirst = false;
+ else
+ swText += FWL_VKEY_Return;
+ swText += swSection;
+ }
+
+ m_pEdit->SetText(swText);
+}
+
+void CPWL_Edit::RePosChildWnd() {
+ if (CPWL_ScrollBar* pVSB = GetVScrollBar()) {
+ CFX_FloatRect rcWindow = m_rcOldWindow;
+ CFX_FloatRect rcVScroll =
+ CFX_FloatRect(rcWindow.right, rcWindow.bottom,
+ rcWindow.right + PWL_SCROLLBAR_WIDTH, rcWindow.top);
+ pVSB->Move(rcVScroll, true, false);
+ }
+
+ if (m_pEditCaret && !HasFlag(PES_TEXTOVERFLOW)) {
+ CFX_FloatRect rect = GetClientRect();
+ if (!rect.IsEmpty()) {
+ // +1 for caret beside border
+ rect.Inflate(1.0f, 1.0f);
+ rect.Normalize();
+ }
+ m_pEditCaret->SetClipRect(rect);
+ }
+
+ CPWL_EditCtrl::RePosChildWnd();
+}
+
+CFX_FloatRect CPWL_Edit::GetClientRect() const {
+ float width = static_cast<float>(GetBorderWidth() + GetInnerBorderWidth());
+ CFX_FloatRect rcClient = GetWindowRect().GetDeflated(width, width);
+ if (CPWL_ScrollBar* pVSB = GetVScrollBar()) {
+ if (pVSB->IsVisible()) {
+ rcClient.right -= PWL_SCROLLBAR_WIDTH;
+ }
+ }
+
+ return rcClient;
+}
+
+void CPWL_Edit::SetAlignFormatV(PWL_EDIT_ALIGNFORMAT_V nFormat, bool bPaint) {
+ m_pEdit->SetAlignmentV((int32_t)nFormat, bPaint);
+}
+
+bool CPWL_Edit::CanSelectAll() const {
+ return GetSelectWordRange() != m_pEdit->GetWholeWordRange();
+}
+
+bool CPWL_Edit::CanClear() const {
+ return !IsReadOnly() && m_pEdit->IsSelected();
+}
+
+bool CPWL_Edit::CanCopy() const {
+ return !HasFlag(PES_PASSWORD) && !HasFlag(PES_NOREAD) &&
+ m_pEdit->IsSelected();
+}
+
+bool CPWL_Edit::CanCut() const {
+ return CanCopy() && !IsReadOnly();
+}
+void CPWL_Edit::CutText() {
+ if (!CanCut())
+ return;
+ m_pEdit->ClearSelection();
+}
+
+void CPWL_Edit::OnCreated() {
+ CPWL_EditCtrl::OnCreated();
+
+ if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
+ pScroll->RemoveFlag(PWS_AUTOTRANSPARENT);
+ pScroll->SetTransparency(255);
+ }
+
+ SetParamByFlag();
+
+ m_rcOldWindow = GetWindowRect();
+
+ m_pEdit->SetOprNotify(this);
+ m_pEdit->EnableOprNotify(true);
+}
+
+void CPWL_Edit::SetParamByFlag() {
+ if (HasFlag(PES_RIGHT)) {
+ m_pEdit->SetAlignmentH(2, false);
+ } else if (HasFlag(PES_MIDDLE)) {
+ m_pEdit->SetAlignmentH(1, false);
+ } else {
+ m_pEdit->SetAlignmentH(0, false);
+ }
+
+ if (HasFlag(PES_BOTTOM)) {
+ m_pEdit->SetAlignmentV(2, false);
+ } else if (HasFlag(PES_CENTER)) {
+ m_pEdit->SetAlignmentV(1, false);
+ } else {
+ m_pEdit->SetAlignmentV(0, false);
+ }
+
+ if (HasFlag(PES_PASSWORD)) {
+ m_pEdit->SetPasswordChar('*', false);
+ }
+
+ m_pEdit->SetMultiLine(HasFlag(PES_MULTILINE), false);
+ m_pEdit->SetAutoReturn(HasFlag(PES_AUTORETURN), false);
+ m_pEdit->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE), false);
+ m_pEdit->SetAutoScroll(HasFlag(PES_AUTOSCROLL), false);
+ m_pEdit->EnableUndo(HasFlag(PES_UNDO));
+
+ if (HasFlag(PES_TEXTOVERFLOW)) {
+ SetClipRect(CFX_FloatRect());
+ m_pEdit->SetTextOverflow(true, false);
+ } else {
+ if (m_pEditCaret) {
+ CFX_FloatRect rect = GetClientRect();
+ if (!rect.IsEmpty()) {
+ // +1 for caret beside border
+ rect.Inflate(1.0f, 1.0f);
+ rect.Normalize();
+ }
+ m_pEditCaret->SetClipRect(rect);
+ }
+ }
+}
+
+void CPWL_Edit::DrawThisAppearance(CFX_RenderDevice* pDevice,
+ CFX_Matrix* pUser2Device) {
+ CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
+
+ CFX_FloatRect rcClient = GetClientRect();
+
+ int32_t nCharArray = m_pEdit->GetCharArray();
+ FX_SAFE_INT32 nCharArraySafe = nCharArray;
+ nCharArraySafe -= 1;
+ nCharArraySafe *= 2;
+
+ if (nCharArray > 0 && nCharArraySafe.IsValid()) {
+ switch (GetBorderStyle()) {
+ case BorderStyle::SOLID: {
+ CFX_GraphStateData gsd;
+ gsd.m_LineWidth = (float)GetBorderWidth();
+
+ CFX_PathData path;
+
+ for (int32_t i = 0; i < nCharArray - 1; i++) {
+ path.AppendPoint(
+ CFX_PointF(
+ rcClient.left +
+ ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
+ rcClient.bottom),
+ FXPT_TYPE::MoveTo, false);
+ path.AppendPoint(
+ CFX_PointF(
+ rcClient.left +
+ ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
+ rcClient.top),
+ FXPT_TYPE::LineTo, false);
+ }
+ if (!path.GetPoints().empty()) {
+ pDevice->DrawPath(&path, pUser2Device, &gsd, 0,
+ GetBorderColor().ToFXColor(255), FXFILL_ALTERNATE);
+ }
+ break;
+ }
+ case BorderStyle::DASH: {
+ CFX_GraphStateData gsd;
+ gsd.m_LineWidth = (float)GetBorderWidth();
+
+ gsd.SetDashCount(2);
+ gsd.m_DashArray[0] = (float)GetBorderDash().nDash;
+ gsd.m_DashArray[1] = (float)GetBorderDash().nGap;
+ gsd.m_DashPhase = (float)GetBorderDash().nPhase;
+
+ CFX_PathData path;
+ for (int32_t i = 0; i < nCharArray - 1; i++) {
+ path.AppendPoint(
+ CFX_PointF(
+ rcClient.left +
+ ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
+ rcClient.bottom),
+ FXPT_TYPE::MoveTo, false);
+ path.AppendPoint(
+ CFX_PointF(
+ rcClient.left +
+ ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
+ rcClient.top),
+ FXPT_TYPE::LineTo, false);
+ }
+ if (!path.GetPoints().empty()) {
+ pDevice->DrawPath(&path, pUser2Device, &gsd, 0,
+ GetBorderColor().ToFXColor(255), FXFILL_ALTERNATE);
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ }
+
+ CFX_FloatRect rcClip;
+ CPVT_WordRange wrRange = m_pEdit->GetVisibleWordRange();
+ CPVT_WordRange* pRange = nullptr;
+ if (!HasFlag(PES_TEXTOVERFLOW)) {
+ rcClip = GetClientRect();
+ pRange = &wrRange;
+ }
+
+ CFX_SystemHandler* pSysHandler = GetSystemHandler();
+ CPWL_EditImpl::DrawEdit(pDevice, pUser2Device, m_pEdit.get(),
+ GetTextColor().ToFXColor(GetTransparency()), rcClip,
+ CFX_PointF(), pRange, pSysHandler,
+ m_pFormFiller.Get());
+}
+
+bool CPWL_Edit::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonDown(point, nFlag);
+
+ if (HasFlag(PES_TEXTOVERFLOW) || ClientHitTest(point)) {
+ if (m_bMouseDown)
+ InvalidateRect();
+
+ m_bMouseDown = true;
+ SetCapture();
+
+ m_pEdit->OnMouseDown(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ }
+
+ return true;
+}
+
+bool CPWL_Edit::OnLButtonDblClk(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonDblClk(point, nFlag);
+
+ if (HasFlag(PES_TEXTOVERFLOW) || ClientHitTest(point)) {
+ m_pEdit->SelectAll();
+ }
+
+ return true;
+}
+
+bool CPWL_Edit::OnRButtonUp(const CFX_PointF& point, uint32_t nFlag) {
+ if (m_bMouseDown)
+ return false;
+
+ CPWL_Wnd::OnRButtonUp(point, nFlag);
+
+ if (!HasFlag(PES_TEXTOVERFLOW) && !ClientHitTest(point))
+ return true;
+
+ CFX_SystemHandler* pSH = GetSystemHandler();
+ if (!pSH)
+ return false;
+
+ SetFocus();
+
+ return false;
+}
+
+void CPWL_Edit::OnSetFocus() {
+ SetEditCaret(true);
+ if (!IsReadOnly()) {
+ if (IPWL_FocusHandler* pFocusHandler = GetFocusHandler())
+ pFocusHandler->OnSetFocus(this);
+ }
+ m_bFocus = true;
+}
+
+void CPWL_Edit::OnKillFocus() {
+ CPWL_ScrollBar* pScroll = GetVScrollBar();
+ if (pScroll && pScroll->IsVisible()) {
+ pScroll->SetVisible(false);
+ Move(m_rcOldWindow, true, true);
+ }
+
+ m_pEdit->SelectNone();
+ SetCaret(false, CFX_PointF(), CFX_PointF());
+ SetCharSet(FX_CHARSET_ANSI);
+ m_bFocus = false;
+}
+
+void CPWL_Edit::SetCharSpace(float fCharSpace) {
+ m_pEdit->SetCharSpace(fCharSpace);
+}
+
+CPVT_WordRange CPWL_Edit::GetSelectWordRange() const {
+ if (m_pEdit->IsSelected()) {
+ int32_t nStart = -1;
+ int32_t nEnd = -1;
+
+ m_pEdit->GetSelection(nStart, nEnd);
+
+ CPVT_WordPlace wpStart = m_pEdit->WordIndexToWordPlace(nStart);
+ CPVT_WordPlace wpEnd = m_pEdit->WordIndexToWordPlace(nEnd);
+
+ return CPVT_WordRange(wpStart, wpEnd);
+ }
+
+ return CPVT_WordRange();
+}
+
+CFX_PointF CPWL_Edit::GetWordRightBottomPoint(const CPVT_WordPlace& wpWord) {
+ CPWL_EditImpl_Iterator* pIterator = m_pEdit->GetIterator();
+ CPVT_WordPlace wpOld = pIterator->GetAt();
+ pIterator->SetAt(wpWord);
+
+ CFX_PointF pt;
+ CPVT_Word word;
+ if (pIterator->GetWord(word)) {
+ pt = CFX_PointF(word.ptWord.x + word.fWidth, word.ptWord.y + word.fDescent);
+ }
+ pIterator->SetAt(wpOld);
+ return pt;
+}
+
+bool CPWL_Edit::IsTextFull() const {
+ return m_pEdit->IsTextFull();
+}
+
+float CPWL_Edit::GetCharArrayAutoFontSize(CPDF_Font* pFont,
+ const CFX_FloatRect& rcPlate,
+ int32_t nCharArray) {
+ if (pFont && !pFont->IsStandardFont()) {
+ FX_RECT rcBBox;
+ pFont->GetFontBBox(rcBBox);
+
+ CFX_FloatRect rcCell = rcPlate;
+ float xdiv = rcCell.Width() / nCharArray * 1000.0f / rcBBox.Width();
+ float ydiv = -rcCell.Height() * 1000.0f / rcBBox.Height();
+
+ return xdiv < ydiv ? xdiv : ydiv;
+ }
+
+ return 0.0f;
+}
+
+void CPWL_Edit::SetCharArray(int32_t nCharArray) {
+ if (HasFlag(PES_CHARARRAY) && nCharArray > 0) {
+ m_pEdit->SetCharArray(nCharArray);
+ m_pEdit->SetTextOverflow(true, true);
+
+ if (HasFlag(PWS_AUTOFONTSIZE)) {
+ if (IPVT_FontMap* pFontMap = GetFontMap()) {
+ float fFontSize = GetCharArrayAutoFontSize(pFontMap->GetPDFFont(0),
+ GetClientRect(), nCharArray);
+ if (fFontSize > 0.0f) {
+ m_pEdit->SetAutoFontSize(false, true);
+ m_pEdit->SetFontSize(fFontSize);
+ }
+ }
+ }
+ }
+}
+
+void CPWL_Edit::SetLimitChar(int32_t nLimitChar) {
+ m_pEdit->SetLimitChar(nLimitChar);
+}
+
+void CPWL_Edit::ReplaceSel(const CFX_WideString& wsText) {
+ m_pEdit->ClearSelection();
+ m_pEdit->InsertText(wsText, FX_CHARSET_Default);
+}
+
+CFX_FloatRect CPWL_Edit::GetFocusRect() const {
+ return CFX_FloatRect();
+}
+
+bool CPWL_Edit::IsVScrollBarVisible() const {
+ if (CPWL_ScrollBar* pScroll = GetVScrollBar())
+ return pScroll->IsVisible();
+ return false;
+}
+
+bool CPWL_Edit::OnKeyDown(uint16_t nChar, uint32_t nFlag) {
+ if (m_bMouseDown)
+ return true;
+
+ if (nChar == FWL_VKEY_Delete) {
+ if (m_pFillerNotify) {
+ CFX_WideString strChange;
+ CFX_WideString strChangeEx;
+
+ int nSelStart = 0;
+ int nSelEnd = 0;
+ GetSelection(nSelStart, nSelEnd);
+
+ if (nSelStart == nSelEnd)
+ nSelEnd = nSelStart + 1;
+
+ bool bRC;
+ bool bExit;
+ std::tie(bRC, bExit) = m_pFillerNotify->OnBeforeKeyStroke(
+ GetAttachedData(), strChange, strChangeEx, nSelStart, nSelEnd, true,
+ nFlag);
+ if (!bRC)
+ return false;
+ if (bExit)
+ return false;
+ }
+ }
+
+ bool bRet = CPWL_EditCtrl::OnKeyDown(nChar, nFlag);
+
+ // In case of implementation swallow the OnKeyDown event.
+ if (IsProceedtoOnChar(nChar, nFlag))
+ return true;
+
+ return bRet;
+}
+
+/**
+ *In case of implementation swallow the OnKeyDown event.
+ *If the event is swallowed, implementation may do other unexpected things,
+ *which is not the control means to do.
+ */
+bool CPWL_Edit::IsProceedtoOnChar(uint16_t nKeyCode, uint32_t nFlag) {
+ bool bCtrl = IsCTRLpressed(nFlag);
+ bool bAlt = IsALTpressed(nFlag);
+ if (bCtrl && !bAlt) {
+ // hot keys for edit control.
+ switch (nKeyCode) {
+ case 'C':
+ case 'V':
+ case 'X':
+ case 'A':
+ case 'Z':
+ return true;
+ default:
+ break;
+ }
+ }
+ // control characters.
+ switch (nKeyCode) {
+ case FWL_VKEY_Escape:
+ case FWL_VKEY_Back:
+ case FWL_VKEY_Return:
+ case FWL_VKEY_Space:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool CPWL_Edit::OnChar(uint16_t nChar, uint32_t nFlag) {
+ if (m_bMouseDown)
+ return true;
+
+ bool bRC = true;
+ bool bExit = false;
+
+ if (!IsCTRLpressed(nFlag)) {
+ if (m_pFillerNotify) {
+ CFX_WideString swChange;
+
+ int nSelStart = 0;
+ int nSelEnd = 0;
+ GetSelection(nSelStart, nSelEnd);
+
+ switch (nChar) {
+ case FWL_VKEY_Back:
+ if (nSelStart == nSelEnd)
+ nSelStart = nSelEnd - 1;
+ break;
+ case FWL_VKEY_Return:
+ break;
+ default:
+ swChange += nChar;
+ break;
+ }
+
+ CFX_WideString strChangeEx;
+ std::tie(bRC, bExit) = m_pFillerNotify->OnBeforeKeyStroke(
+ GetAttachedData(), swChange, strChangeEx, nSelStart, nSelEnd, true,
+ nFlag);
+ }
+ }
+
+ if (!bRC)
+ return true;
+ if (bExit)
+ return false;
+
+ if (IPVT_FontMap* pFontMap = GetFontMap()) {
+ int32_t nOldCharSet = GetCharSet();
+ int32_t nNewCharSet =
+ pFontMap->CharSetFromUnicode(nChar, FX_CHARSET_Default);
+ if (nOldCharSet != nNewCharSet) {
+ SetCharSet(nNewCharSet);
+ }
+ }
+
+ return CPWL_EditCtrl::OnChar(nChar, nFlag);
+}
+
+bool CPWL_Edit::OnMouseWheel(short zDelta,
+ const CFX_PointF& point,
+ uint32_t nFlag) {
+ if (HasFlag(PES_MULTILINE)) {
+ CFX_PointF ptScroll = GetScrollPos();
+
+ if (zDelta > 0) {
+ ptScroll.y += GetFontSize();
+ } else {
+ ptScroll.y -= GetFontSize();
+ }
+ SetScrollPos(ptScroll);
+
+ return true;
+ }
+
+ return false;
+}
+
+void CPWL_Edit::OnInsertReturn(const CPVT_WordPlace& place,
+ const CPVT_WordPlace& oldplace) {
+ if (HasFlag(PES_SPELLCHECK)) {
+ m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+ GetLatinWordsRange(place)));
+ }
+}
+
+void CPWL_Edit::OnBackSpace(const CPVT_WordPlace& place,
+ const CPVT_WordPlace& oldplace) {
+ if (HasFlag(PES_SPELLCHECK)) {
+ m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+ GetLatinWordsRange(place)));
+ }
+}
+
+void CPWL_Edit::OnDelete(const CPVT_WordPlace& place,
+ const CPVT_WordPlace& oldplace) {
+ if (HasFlag(PES_SPELLCHECK)) {
+ m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+ GetLatinWordsRange(place)));
+ }
+}
+
+void CPWL_Edit::OnClear(const CPVT_WordPlace& place,
+ const CPVT_WordPlace& oldplace) {
+ if (HasFlag(PES_SPELLCHECK)) {
+ m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+ GetLatinWordsRange(place)));
+ }
+}
+
+void CPWL_Edit::OnInsertWord(const CPVT_WordPlace& place,
+ const CPVT_WordPlace& oldplace) {
+ if (HasFlag(PES_SPELLCHECK)) {
+ m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+ GetLatinWordsRange(place)));
+ }
+}
+
+void CPWL_Edit::OnInsertText(const CPVT_WordPlace& place,
+ const CPVT_WordPlace& oldplace) {
+ if (HasFlag(PES_SPELLCHECK)) {
+ m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+ GetLatinWordsRange(place)));
+ }
+}
+
+CPVT_WordRange CPWL_Edit::CombineWordRange(const CPVT_WordRange& wr1,
+ const CPVT_WordRange& wr2) {
+ return CPVT_WordRange(std::min(wr1.BeginPos, wr2.BeginPos),
+ std::max(wr1.EndPos, wr2.EndPos));
+}
+
+CPVT_WordRange CPWL_Edit::GetLatinWordsRange(const CFX_PointF& point) const {
+ return GetSameWordsRange(m_pEdit->SearchWordPlace(point), true, false);
+}
+
+CPVT_WordRange CPWL_Edit::GetLatinWordsRange(
+ const CPVT_WordPlace& place) const {
+ return GetSameWordsRange(place, true, false);
+}
+
+CPVT_WordRange CPWL_Edit::GetArabicWordsRange(
+ const CPVT_WordPlace& place) const {
+ return GetSameWordsRange(place, false, true);
+}
+
+#define PWL_ISARABICWORD(word) \
+ ((word >= 0x0600 && word <= 0x06FF) || (word >= 0xFB50 && word <= 0xFEFC))
+
+CPVT_WordRange CPWL_Edit::GetSameWordsRange(const CPVT_WordPlace& place,
+ bool bLatin,
+ bool bArabic) const {
+ CPVT_WordRange range;
+
+ CPWL_EditImpl_Iterator* pIterator = m_pEdit->GetIterator();
+ CPVT_Word wordinfo;
+ CPVT_WordPlace wpStart(place), wpEnd(place);
+ pIterator->SetAt(place);
+
+ if (bLatin) {
+ while (pIterator->NextWord()) {
+ if (!pIterator->GetWord(wordinfo) ||
+ !FX_EDIT_ISLATINWORD(wordinfo.Word)) {
+ break;
+ }
+
+ wpEnd = pIterator->GetAt();
+ }
+ } else if (bArabic) {
+ while (pIterator->NextWord()) {
+ if (!pIterator->GetWord(wordinfo) || !PWL_ISARABICWORD(wordinfo.Word))
+ break;
+
+ wpEnd = pIterator->GetAt();
+ }
+ }
+
+ pIterator->SetAt(place);
+
+ if (bLatin) {
+ do {
+ if (!pIterator->GetWord(wordinfo) ||
+ !FX_EDIT_ISLATINWORD(wordinfo.Word)) {
+ break;
+ }
+
+ wpStart = pIterator->GetAt();
+ } while (pIterator->PrevWord());
+ } else if (bArabic) {
+ do {
+ if (!pIterator->GetWord(wordinfo) || !PWL_ISARABICWORD(wordinfo.Word))
+ break;
+
+ wpStart = pIterator->GetAt();
+ } while (pIterator->PrevWord());
+ }
+
+ range.Set(wpStart, wpEnd);
+ return range;
+}