blob: ba4f43d949568ee6695e1a58ec3f7c1ff43998d3 [file] [log] [blame]
// Copyright 2014 The PDFium Authors
// 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_impl.h"
#include <algorithm>
#include <memory>
#include <utility>
#include "core/fpdfapi/font/cpdf_font.h"
#include "core/fpdfapi/render/cpdf_renderoptions.h"
#include "core/fpdfapi/render/cpdf_textrenderer.h"
#include "core/fpdfdoc/cpvt_word.h"
#include "core/fpdfdoc/ipvt_fontmap.h"
#include "core/fxcrt/autorestorer.h"
#include "core/fxcrt/fx_codepage.h"
#include "core/fxge/cfx_fillrenderoptions.h"
#include "core/fxge/cfx_graphstatedata.h"
#include "core/fxge/cfx_path.h"
#include "core/fxge/cfx_renderdevice.h"
#include "fpdfsdk/pwl/cpwl_edit.h"
#include "fpdfsdk/pwl/cpwl_scroll_bar.h"
#include "fpdfsdk/pwl/ipwl_fillernotify.h"
#include "third_party/base/check.h"
#include "third_party/base/check_op.h"
namespace {
const int kEditUndoMaxItems = 10000;
void DrawTextString(CFX_RenderDevice* pDevice,
const CFX_PointF& pt,
CPDF_Font* pFont,
float fFontSize,
const CFX_Matrix& mtUser2Device,
const ByteString& str,
FX_ARGB crTextFill) {
if (!pFont)
return;
CFX_PointF pos = mtUser2Device.Transform(pt);
CPDF_RenderOptions ro;
DCHECK(ro.GetOptions().bClearType);
ro.SetColorMode(CPDF_RenderOptions::kNormal);
CPDF_TextRenderer::DrawTextString(pDevice, pos.x, pos.y, pFont, fFontSize,
mtUser2Device, str, crTextFill, ro);
}
} // namespace
CPWL_EditImpl::Iterator::Iterator(CPWL_EditImpl* pEdit,
CPVT_VariableText::Iterator* pVTIterator)
: m_pEdit(pEdit), m_pVTIterator(pVTIterator) {}
CPWL_EditImpl::Iterator::~Iterator() = default;
bool CPWL_EditImpl::Iterator::NextWord() {
return m_pVTIterator->NextWord();
}
bool CPWL_EditImpl::Iterator::GetWord(CPVT_Word& word) const {
DCHECK(m_pEdit);
if (m_pVTIterator->GetWord(word)) {
word.ptWord = m_pEdit->VTToEdit(word.ptWord);
return true;
}
return false;
}
bool CPWL_EditImpl::Iterator::GetLine(CPVT_Line& line) const {
DCHECK(m_pEdit);
if (m_pVTIterator->GetLine(line)) {
line.ptLine = m_pEdit->VTToEdit(line.ptLine);
return true;
}
return false;
}
void CPWL_EditImpl::Iterator::SetAt(int32_t nWordIndex) {
m_pVTIterator->SetAt(nWordIndex);
}
void CPWL_EditImpl::Iterator::SetAt(const CPVT_WordPlace& place) {
m_pVTIterator->SetAt(place);
}
const CPVT_WordPlace& CPWL_EditImpl::Iterator::GetAt() const {
return m_pVTIterator->GetWordPlace();
}
class CPWL_EditImpl::Provider final : public CPVT_VariableText::Provider {
public:
explicit Provider(IPVT_FontMap* pFontMap);
~Provider() override;
// CPVT_VariableText::Provider:
int GetCharWidth(int32_t nFontIndex, uint16_t word) override;
int32_t GetWordFontIndex(uint16_t word,
FX_Charset charset,
int32_t nFontIndex) override;
};
CPWL_EditImpl::Provider::Provider(IPVT_FontMap* pFontMap)
: CPVT_VariableText::Provider(pFontMap) {}
CPWL_EditImpl::Provider::~Provider() = default;
int CPWL_EditImpl::Provider::GetCharWidth(int32_t nFontIndex, uint16_t word) {
RetainPtr<CPDF_Font> pPDFFont = GetFontMap()->GetPDFFont(nFontIndex);
if (!pPDFFont)
return 0;
uint32_t charcode = pPDFFont->IsUnicodeCompatible()
? pPDFFont->CharCodeFromUnicode(word)
: GetFontMap()->CharCodeFromUnicode(nFontIndex, word);
if (charcode == CPDF_Font::kInvalidCharCode)
return 0;
return pPDFFont->GetCharWidthF(charcode);
}
int32_t CPWL_EditImpl::Provider::GetWordFontIndex(uint16_t word,
FX_Charset charset,
int32_t nFontIndex) {
return GetFontMap()->GetWordFontIndex(word, charset, nFontIndex);
}
CPWL_EditImpl::RefreshState::RefreshState() = default;
CPWL_EditImpl::RefreshState::~RefreshState() = default;
void CPWL_EditImpl::RefreshState::BeginRefresh() {
m_OldLineRects = std::move(m_NewLineRects);
m_NewLineRects.clear();
m_RefreshRects.clear();
}
void CPWL_EditImpl::RefreshState::Push(const CPVT_WordRange& linerange,
const CFX_FloatRect& rect) {
m_NewLineRects.emplace_back(linerange, rect);
}
void CPWL_EditImpl::RefreshState::NoAnalyse() {
for (const auto& lineRect : m_OldLineRects)
Add(lineRect.m_rcLine);
for (const auto& lineRect : m_NewLineRects)
Add(lineRect.m_rcLine);
}
std::vector<CFX_FloatRect>* CPWL_EditImpl::RefreshState::GetRefreshRects() {
return &m_RefreshRects;
}
void CPWL_EditImpl::RefreshState::EndRefresh() {
m_RefreshRects.clear();
}
void CPWL_EditImpl::RefreshState::Add(const CFX_FloatRect& new_rect) {
// Check for overlapped area.
for (const auto& rect : m_RefreshRects) {
if (rect.Contains(new_rect))
return;
}
m_RefreshRects.push_back(new_rect);
}
CPWL_EditImpl::UndoStack::UndoStack() = default;
CPWL_EditImpl::UndoStack::~UndoStack() = default;
bool CPWL_EditImpl::UndoStack::CanUndo() const {
return m_nCurUndoPos > 0;
}
void CPWL_EditImpl::UndoStack::Undo() {
DCHECK(!m_bWorking);
m_bWorking = true;
int nUndoRemain = 1;
while (CanUndo() && nUndoRemain > 0) {
nUndoRemain += m_UndoItemStack[m_nCurUndoPos - 1]->Undo();
m_nCurUndoPos--;
nUndoRemain--;
}
DCHECK_EQ(nUndoRemain, 0);
DCHECK(m_bWorking);
m_bWorking = false;
}
bool CPWL_EditImpl::UndoStack::CanRedo() const {
return m_nCurUndoPos < m_UndoItemStack.size();
}
void CPWL_EditImpl::UndoStack::Redo() {
DCHECK(!m_bWorking);
m_bWorking = true;
int nRedoRemain = 1;
while (CanRedo() && nRedoRemain > 0) {
nRedoRemain += m_UndoItemStack[m_nCurUndoPos]->Redo();
m_nCurUndoPos++;
nRedoRemain--;
}
DCHECK_EQ(nRedoRemain, 0);
DCHECK(m_bWorking);
m_bWorking = false;
}
void CPWL_EditImpl::UndoStack::AddItem(std::unique_ptr<UndoItemIface> pItem) {
DCHECK(!m_bWorking);
DCHECK(pItem);
if (CanRedo())
RemoveTails();
if (m_UndoItemStack.size() >= kEditUndoMaxItems)
RemoveHeads();
m_UndoItemStack.push_back(std::move(pItem));
m_nCurUndoPos = m_UndoItemStack.size();
}
void CPWL_EditImpl::UndoStack::RemoveHeads() {
DCHECK(m_UndoItemStack.size() > 1);
m_UndoItemStack.pop_front();
}
void CPWL_EditImpl::UndoStack::RemoveTails() {
while (CanRedo())
m_UndoItemStack.pop_back();
}
class CPWL_EditImpl::UndoInsertWord final
: public CPWL_EditImpl::UndoItemIface {
public:
UndoInsertWord(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
FX_Charset charset);
~UndoInsertWord() override;
// UndoItemIface:
int Redo() override;
int Undo() override;
private:
UnownedPtr<CPWL_EditImpl> m_pEdit;
CPVT_WordPlace m_wpOld;
CPVT_WordPlace m_wpNew;
uint16_t m_Word;
FX_Charset m_nCharset;
};
CPWL_EditImpl::UndoInsertWord::UndoInsertWord(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
FX_Charset charset)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_Word(word),
m_nCharset(charset) {
DCHECK(m_pEdit);
}
CPWL_EditImpl::UndoInsertWord::~UndoInsertWord() = default;
int CPWL_EditImpl::UndoInsertWord::Redo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->InsertWord(m_Word, m_nCharset, false);
return 0;
}
int CPWL_EditImpl::UndoInsertWord::Undo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpNew);
m_pEdit->Backspace(false);
return 0;
}
class CPWL_EditImpl::UndoInsertReturn final
: public CPWL_EditImpl::UndoItemIface {
public:
UndoInsertReturn(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace);
~UndoInsertReturn() override;
// UndoItemIface:
int Redo() override;
int Undo() override;
private:
UnownedPtr<CPWL_EditImpl> m_pEdit;
CPVT_WordPlace m_wpOld;
CPVT_WordPlace m_wpNew;
};
CPWL_EditImpl::UndoInsertReturn::UndoInsertReturn(
CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace)
: m_pEdit(pEdit), m_wpOld(wpOldPlace), m_wpNew(wpNewPlace) {
DCHECK(m_pEdit);
}
CPWL_EditImpl::UndoInsertReturn::~UndoInsertReturn() = default;
int CPWL_EditImpl::UndoInsertReturn::Redo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->InsertReturn(false);
return 0;
}
int CPWL_EditImpl::UndoInsertReturn::Undo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpNew);
m_pEdit->Backspace(false);
return 0;
}
class CPWL_EditImpl::UndoReplaceSelection final
: public CPWL_EditImpl::UndoItemIface {
public:
UndoReplaceSelection(CPWL_EditImpl* pEdit, bool bIsEnd);
~UndoReplaceSelection() override;
// UndoItemIface:
int Redo() override;
int Undo() override;
private:
bool IsEnd() const { return m_bEnd; }
UnownedPtr<CPWL_EditImpl> m_pEdit;
const bool m_bEnd; // indicate whether this is the end of replace action
};
CPWL_EditImpl::UndoReplaceSelection::UndoReplaceSelection(CPWL_EditImpl* pEdit,
bool bIsEnd)
: m_pEdit(pEdit), m_bEnd(bIsEnd) {
DCHECK(m_pEdit);
}
CPWL_EditImpl::UndoReplaceSelection::~UndoReplaceSelection() = default;
int CPWL_EditImpl::UndoReplaceSelection::Redo() {
m_pEdit->SelectNone();
if (IsEnd())
return 0;
// Redo ClearSelection, InsertText and ReplaceSelection's end marker
return 3;
}
int CPWL_EditImpl::UndoReplaceSelection::Undo() {
m_pEdit->SelectNone();
if (!IsEnd())
return 0;
// Undo InsertText, ClearSelection and ReplaceSelection's beginning
// marker
return 3;
}
class CPWL_EditImpl::UndoBackspace final : public CPWL_EditImpl::UndoItemIface {
public:
UndoBackspace(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
FX_Charset charset);
~UndoBackspace() override;
// UndoItemIface:
int Redo() override;
int Undo() override;
private:
UnownedPtr<CPWL_EditImpl> m_pEdit;
CPVT_WordPlace m_wpOld;
CPVT_WordPlace m_wpNew;
uint16_t m_Word;
FX_Charset m_nCharset;
};
CPWL_EditImpl::UndoBackspace::UndoBackspace(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
FX_Charset charset)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_Word(word),
m_nCharset(charset) {
DCHECK(m_pEdit);
}
CPWL_EditImpl::UndoBackspace::~UndoBackspace() = default;
int CPWL_EditImpl::UndoBackspace::Redo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->Backspace(false);
return 0;
}
int CPWL_EditImpl::UndoBackspace::Undo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpNew);
if (m_wpNew.nSecIndex != m_wpOld.nSecIndex)
m_pEdit->InsertReturn(false);
else
m_pEdit->InsertWord(m_Word, m_nCharset, false);
return 0;
}
class CPWL_EditImpl::UndoDelete final : public CPWL_EditImpl::UndoItemIface {
public:
UndoDelete(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
FX_Charset charset,
bool bSecEnd);
~UndoDelete() override;
// UndoItemIface:
int Redo() override;
int Undo() override;
private:
UnownedPtr<CPWL_EditImpl> m_pEdit;
CPVT_WordPlace m_wpOld;
CPVT_WordPlace m_wpNew;
uint16_t m_Word;
FX_Charset m_nCharset;
bool m_bSecEnd;
};
CPWL_EditImpl::UndoDelete::UndoDelete(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
FX_Charset charset,
bool bSecEnd)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_Word(word),
m_nCharset(charset),
m_bSecEnd(bSecEnd) {
DCHECK(m_pEdit);
}
CPWL_EditImpl::UndoDelete::~UndoDelete() = default;
int CPWL_EditImpl::UndoDelete::Redo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->Delete(false);
return 0;
}
int CPWL_EditImpl::UndoDelete::Undo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpNew);
if (m_bSecEnd)
m_pEdit->InsertReturn(false);
else
m_pEdit->InsertWord(m_Word, m_nCharset, false);
return 0;
}
class CPWL_EditImpl::UndoClear final : public CPWL_EditImpl::UndoItemIface {
public:
UndoClear(CPWL_EditImpl* pEdit,
const CPVT_WordRange& wrSel,
const WideString& swText);
~UndoClear() override;
// UndoItemIface:
int Redo() override;
int Undo() override;
private:
UnownedPtr<CPWL_EditImpl> m_pEdit;
CPVT_WordRange m_wrSel;
WideString m_swText;
};
CPWL_EditImpl::UndoClear::UndoClear(CPWL_EditImpl* pEdit,
const CPVT_WordRange& wrSel,
const WideString& swText)
: m_pEdit(pEdit), m_wrSel(wrSel), m_swText(swText) {
DCHECK(m_pEdit);
}
CPWL_EditImpl::UndoClear::~UndoClear() = default;
int CPWL_EditImpl::UndoClear::Redo() {
m_pEdit->SelectNone();
m_pEdit->SetSelection(m_wrSel.BeginPos, m_wrSel.EndPos);
m_pEdit->Clear(false);
return 0;
}
int CPWL_EditImpl::UndoClear::Undo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wrSel.BeginPos);
m_pEdit->InsertText(m_swText, FX_Charset::kDefault, false);
m_pEdit->SetSelection(m_wrSel.BeginPos, m_wrSel.EndPos);
return 0;
}
class CPWL_EditImpl::UndoInsertText final
: public CPWL_EditImpl::UndoItemIface {
public:
UndoInsertText(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
const WideString& swText,
FX_Charset charset);
~UndoInsertText() override;
// UndoItemIface:
int Redo() override;
int Undo() override;
private:
UnownedPtr<CPWL_EditImpl> m_pEdit;
CPVT_WordPlace m_wpOld;
CPVT_WordPlace m_wpNew;
WideString m_swText;
FX_Charset m_nCharset;
};
CPWL_EditImpl::UndoInsertText::UndoInsertText(CPWL_EditImpl* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
const WideString& swText,
FX_Charset charset)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_swText(swText),
m_nCharset(charset) {
DCHECK(m_pEdit);
}
CPWL_EditImpl::UndoInsertText::~UndoInsertText() = default;
int CPWL_EditImpl::UndoInsertText::Redo() {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->InsertText(m_swText, m_nCharset, false);
return 0;
}
int CPWL_EditImpl::UndoInsertText::Undo() {
m_pEdit->SelectNone();
m_pEdit->SetSelection(m_wpOld, m_wpNew);
m_pEdit->Clear(false);
return 0;
}
void CPWL_EditImpl::DrawEdit(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
FX_COLORREF crTextFill,
const CFX_FloatRect& rcClip,
const CFX_PointF& ptOffset,
const CPVT_WordRange* pRange,
IPWL_FillerNotify* pFillerNotify,
IPWL_FillerNotify::PerWindowData* pSystemData) {
const bool bContinuous = GetCharArray() == 0;
uint16_t SubWord = GetPasswordChar();
float fFontSize = GetFontSize();
CPVT_WordRange wrSelect = GetSelectWordRange();
FX_COLORREF crCurFill = crTextFill;
FX_COLORREF crOldFill = crCurFill;
bool bSelect = false;
const FX_COLORREF crWhite = ArgbEncode(255, 255, 255, 255);
const FX_COLORREF crSelBK = ArgbEncode(255, 0, 51, 113);
int32_t nFontIndex = -1;
CFX_PointF ptBT;
CFX_RenderDevice::StateRestorer restorer(pDevice);
if (!rcClip.IsEmpty())
pDevice->SetClip_Rect(mtUser2Device.TransformRect(rcClip).ToFxRect());
Iterator* pIterator = GetIterator();
IPVT_FontMap* pFontMap = GetFontMap();
if (!pFontMap)
return;
if (pRange)
pIterator->SetAt(pRange->BeginPos);
else
pIterator->SetAt(0);
ByteString sTextBuf;
CPVT_WordPlace oldplace;
while (pIterator->NextWord()) {
CPVT_WordPlace place = pIterator->GetAt();
if (pRange && place > pRange->EndPos)
break;
if (!wrSelect.IsEmpty()) {
bSelect = place > wrSelect.BeginPos && place <= wrSelect.EndPos;
crCurFill = bSelect ? crWhite : crTextFill;
}
if (pFillerNotify->IsSelectionImplemented()) {
crCurFill = crTextFill;
crOldFill = crCurFill;
}
CPVT_Word word;
if (pIterator->GetWord(word)) {
if (bSelect) {
CPVT_Line line;
pIterator->GetLine(line);
if (pFillerNotify->IsSelectionImplemented()) {
CFX_FloatRect rc(word.ptWord.x, line.ptLine.y + line.fLineDescent,
word.ptWord.x + word.fWidth,
line.ptLine.y + line.fLineAscent);
rc.Intersect(rcClip);
pFillerNotify->OutputSelectedRect(pSystemData, rc);
} else {
CFX_Path pathSelBK;
pathSelBK.AppendRect(word.ptWord.x, line.ptLine.y + line.fLineDescent,
word.ptWord.x + word.fWidth,
line.ptLine.y + line.fLineAscent);
pDevice->DrawPath(pathSelBK, &mtUser2Device, nullptr, crSelBK, 0,
CFX_FillRenderOptions::WindingOptions());
}
}
if (bContinuous) {
if (place.LineCmp(oldplace) != 0 || word.nFontIndex != nFontIndex ||
crOldFill != crCurFill) {
if (!sTextBuf.IsEmpty()) {
DrawTextString(pDevice,
CFX_PointF(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
pFontMap->GetPDFFont(nFontIndex).Get(), fFontSize,
mtUser2Device, sTextBuf, crOldFill);
sTextBuf.clear();
}
nFontIndex = word.nFontIndex;
ptBT = word.ptWord;
crOldFill = crCurFill;
}
sTextBuf += GetPDFWordString(word.nFontIndex, word.Word, SubWord);
} else {
DrawTextString(
pDevice,
CFX_PointF(word.ptWord.x + ptOffset.x, word.ptWord.y + ptOffset.y),
pFontMap->GetPDFFont(word.nFontIndex).Get(), fFontSize,
mtUser2Device,
GetPDFWordString(word.nFontIndex, word.Word, SubWord), crCurFill);
}
oldplace = place;
}
}
if (!sTextBuf.IsEmpty()) {
DrawTextString(pDevice,
CFX_PointF(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
pFontMap->GetPDFFont(nFontIndex).Get(), fFontSize,
mtUser2Device, sTextBuf, crOldFill);
}
}
CPWL_EditImpl::CPWL_EditImpl()
: m_pVT(std::make_unique<CPVT_VariableText>(nullptr)) {}
CPWL_EditImpl::~CPWL_EditImpl() = default;
void CPWL_EditImpl::Initialize() {
m_pVT->Initialize();
SetCaret(m_pVT->GetBeginWordPlace());
SetCaretOrigin();
}
void CPWL_EditImpl::SetFontMap(IPVT_FontMap* pFontMap) {
m_pVTProvider = std::make_unique<Provider>(pFontMap);
m_pVT->SetProvider(m_pVTProvider.get());
}
void CPWL_EditImpl::SetNotify(CPWL_Edit* pNotify) {
m_pNotify = pNotify;
}
CPWL_EditImpl::Iterator* CPWL_EditImpl::GetIterator() {
if (!m_pIterator)
m_pIterator = std::make_unique<Iterator>(this, m_pVT->GetIterator());
return m_pIterator.get();
}
IPVT_FontMap* CPWL_EditImpl::GetFontMap() {
return m_pVTProvider ? m_pVTProvider->GetFontMap() : nullptr;
}
void CPWL_EditImpl::SetPlateRect(const CFX_FloatRect& rect) {
m_pVT->SetPlateRect(rect);
m_ptScrollPos = CFX_PointF(rect.left, rect.top);
}
void CPWL_EditImpl::SetAlignmentH(int32_t nFormat) {
m_pVT->SetAlignment(nFormat);
}
void CPWL_EditImpl::SetAlignmentV(int32_t nFormat) {
m_nAlignment = nFormat;
}
void CPWL_EditImpl::SetPasswordChar(uint16_t wSubWord) {
m_pVT->SetPasswordChar(wSubWord);
}
void CPWL_EditImpl::SetLimitChar(int32_t nLimitChar) {
m_pVT->SetLimitChar(nLimitChar);
}
void CPWL_EditImpl::SetCharArray(int32_t nCharArray) {
m_pVT->SetCharArray(nCharArray);
}
void CPWL_EditImpl::SetMultiLine(bool bMultiLine) {
m_pVT->SetMultiLine(bMultiLine);
}
void CPWL_EditImpl::SetAutoReturn(bool bAuto) {
m_pVT->SetAutoReturn(bAuto);
}
void CPWL_EditImpl::SetAutoFontSize(bool bAuto) {
m_pVT->SetAutoFontSize(bAuto);
}
void CPWL_EditImpl::SetFontSize(float fFontSize) {
m_pVT->SetFontSize(fFontSize);
}
void CPWL_EditImpl::SetAutoScroll(bool bAuto) {
m_bEnableScroll = bAuto;
}
void CPWL_EditImpl::SetTextOverflow(bool bAllowed) {
m_bEnableOverflow = bAllowed;
}
void CPWL_EditImpl::SetSelection(int32_t nStartChar, int32_t nEndChar) {
if (m_pVT->IsValid()) {
if (nStartChar == 0 && nEndChar < 0) {
SelectAll();
} else if (nStartChar < 0) {
SelectNone();
} else {
if (nStartChar < nEndChar) {
SetSelection(m_pVT->WordIndexToWordPlace(nStartChar),
m_pVT->WordIndexToWordPlace(nEndChar));
} else {
SetSelection(m_pVT->WordIndexToWordPlace(nEndChar),
m_pVT->WordIndexToWordPlace(nStartChar));
}
}
}
}
void CPWL_EditImpl::SetSelection(const CPVT_WordPlace& begin,
const CPVT_WordPlace& end) {
if (!m_pVT->IsValid())
return;
SelectNone();
m_SelState.Set(begin, end);
SetCaret(m_SelState.EndPos);
ScrollToCaret();
if (!m_SelState.IsEmpty())
Refresh();
SetCaretInfo();
}
std::pair<int32_t, int32_t> CPWL_EditImpl::GetSelection() const {
if (!m_pVT->IsValid())
return std::make_pair(-1, -1);
if (m_SelState.IsEmpty()) {
return std::make_pair(m_pVT->WordPlaceToWordIndex(m_wpCaret),
m_pVT->WordPlaceToWordIndex(m_wpCaret));
}
if (m_SelState.BeginPos < m_SelState.EndPos) {
return std::make_pair(m_pVT->WordPlaceToWordIndex(m_SelState.BeginPos),
m_pVT->WordPlaceToWordIndex(m_SelState.EndPos));
}
return std::make_pair(m_pVT->WordPlaceToWordIndex(m_SelState.EndPos),
m_pVT->WordPlaceToWordIndex(m_SelState.BeginPos));
}
int32_t CPWL_EditImpl::GetCaret() const {
if (m_pVT->IsValid())
return m_pVT->WordPlaceToWordIndex(m_wpCaret);
return -1;
}
CPVT_WordPlace CPWL_EditImpl::GetCaretWordPlace() const {
return m_wpCaret;
}
WideString CPWL_EditImpl::GetText() const {
WideString swRet;
if (!m_pVT->IsValid())
return swRet;
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(0);
CPVT_Word wordinfo;
CPVT_WordPlace oldplace = pIterator->GetWordPlace();
while (pIterator->NextWord()) {
CPVT_WordPlace place = pIterator->GetWordPlace();
if (pIterator->GetWord(wordinfo))
swRet += wordinfo.Word;
if (oldplace.nSecIndex != place.nSecIndex)
swRet += L"\r\n";
oldplace = place;
}
return swRet;
}
WideString CPWL_EditImpl::GetRangeText(const CPVT_WordRange& range) const {
WideString swRet;
if (!m_pVT->IsValid())
return swRet;
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
CPVT_WordRange wrTemp = range;
m_pVT->UpdateWordPlace(wrTemp.BeginPos);
m_pVT->UpdateWordPlace(wrTemp.EndPos);
pIterator->SetAt(wrTemp.BeginPos);
CPVT_Word wordinfo;
CPVT_WordPlace oldplace = wrTemp.BeginPos;
while (pIterator->NextWord()) {
CPVT_WordPlace place = pIterator->GetWordPlace();
if (place > wrTemp.EndPos)
break;
if (pIterator->GetWord(wordinfo))
swRet += wordinfo.Word;
if (oldplace.nSecIndex != place.nSecIndex)
swRet += L"\r\n";
oldplace = place;
}
return swRet;
}
WideString CPWL_EditImpl::GetSelectedText() const {
return GetRangeText(m_SelState.ConvertToWordRange());
}
int32_t CPWL_EditImpl::GetTotalLines() const {
int32_t nLines = 1;
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(0);
while (pIterator->NextLine())
++nLines;
return nLines;
}
CPVT_WordRange CPWL_EditImpl::GetSelectWordRange() const {
return m_SelState.ConvertToWordRange();
}
void CPWL_EditImpl::SetText(const WideString& sText) {
Clear();
DoInsertText(CPVT_WordPlace(0, 0, -1), sText, FX_Charset::kDefault);
}
bool CPWL_EditImpl::InsertWord(uint16_t word, FX_Charset charset) {
return InsertWord(word, charset, true);
}
bool CPWL_EditImpl::InsertReturn() {
return InsertReturn(true);
}
bool CPWL_EditImpl::Backspace() {
return Backspace(true);
}
bool CPWL_EditImpl::Delete() {
return Delete(true);
}
bool CPWL_EditImpl::ClearSelection() {
return Clear(true);
}
bool CPWL_EditImpl::InsertText(const WideString& sText, FX_Charset charset) {
return InsertText(sText, charset, true);
}
float CPWL_EditImpl::GetFontSize() const {
return m_pVT->GetFontSize();
}
uint16_t CPWL_EditImpl::GetPasswordChar() const {
return m_pVT->GetPasswordChar();
}
int32_t CPWL_EditImpl::GetCharArray() const {
return m_pVT->GetCharArray();
}
CFX_FloatRect CPWL_EditImpl::GetContentRect() const {
return VTToEdit(m_pVT->GetContentRect());
}
CPVT_WordRange CPWL_EditImpl::GetWholeWordRange() const {
if (m_pVT->IsValid())
return CPVT_WordRange(m_pVT->GetBeginWordPlace(), m_pVT->GetEndWordPlace());
return CPVT_WordRange();
}
CPVT_WordRange CPWL_EditImpl::GetVisibleWordRange() const {
if (m_bEnableOverflow)
return GetWholeWordRange();
if (m_pVT->IsValid()) {
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
CPVT_WordPlace place1 =
m_pVT->SearchWordPlace(EditToVT(CFX_PointF(rcPlate.left, rcPlate.top)));
CPVT_WordPlace place2 = m_pVT->SearchWordPlace(
EditToVT(CFX_PointF(rcPlate.right, rcPlate.bottom)));
return CPVT_WordRange(place1, place2);
}
return CPVT_WordRange();
}
CPVT_WordPlace CPWL_EditImpl::SearchWordPlace(const CFX_PointF& point) const {
if (m_pVT->IsValid()) {
return m_pVT->SearchWordPlace(EditToVT(point));
}
return CPVT_WordPlace();
}
void CPWL_EditImpl::Paint() {
if (m_pVT->IsValid()) {
RearrangeAll();
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
}
void CPWL_EditImpl::RearrangeAll() {
if (m_pVT->IsValid()) {
m_pVT->UpdateWordPlace(m_wpCaret);
m_pVT->RearrangeAll();
m_pVT->UpdateWordPlace(m_wpCaret);
SetScrollInfo();
SetContentChanged();
}
}
void CPWL_EditImpl::RearrangePart(const CPVT_WordRange& range) {
if (m_pVT->IsValid()) {
m_pVT->UpdateWordPlace(m_wpCaret);
m_pVT->RearrangePart(range);
m_pVT->UpdateWordPlace(m_wpCaret);
SetScrollInfo();
SetContentChanged();
}
}
void CPWL_EditImpl::SetContentChanged() {
if (m_pNotify) {
CFX_FloatRect rcContent = m_pVT->GetContentRect();
if (rcContent.Width() != m_rcOldContent.Width() ||
rcContent.Height() != m_rcOldContent.Height()) {
m_rcOldContent = rcContent;
}
}
}
void CPWL_EditImpl::SelectAll() {
if (!m_pVT->IsValid())
return;
m_SelState = SelectState(GetWholeWordRange());
SetCaret(m_SelState.EndPos);
ScrollToCaret();
Refresh();
SetCaretInfo();
}
void CPWL_EditImpl::SelectNone() {
if (!m_pVT->IsValid() || m_SelState.IsEmpty())
return;
m_SelState.Reset();
Refresh();
}
bool CPWL_EditImpl::IsSelected() const {
return !m_SelState.IsEmpty();
}
CFX_PointF CPWL_EditImpl::VTToEdit(const CFX_PointF& point) const {
CFX_FloatRect rcContent = m_pVT->GetContentRect();
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
float fPadding = 0.0f;
switch (m_nAlignment) {
case 0:
fPadding = 0.0f;
break;
case 1:
fPadding = (rcPlate.Height() - rcContent.Height()) * 0.5f;
break;
case 2:
fPadding = rcPlate.Height() - rcContent.Height();
break;
}
return CFX_PointF(point.x - (m_ptScrollPos.x - rcPlate.left),
point.y - (m_ptScrollPos.y + fPadding - rcPlate.top));
}
CFX_PointF CPWL_EditImpl::EditToVT(const CFX_PointF& point) const {
CFX_FloatRect rcContent = m_pVT->GetContentRect();
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
float fPadding = 0.0f;
switch (m_nAlignment) {
case 0:
fPadding = 0.0f;
break;
case 1:
fPadding = (rcPlate.Height() - rcContent.Height()) * 0.5f;
break;
case 2:
fPadding = rcPlate.Height() - rcContent.Height();
break;
}
return CFX_PointF(point.x + (m_ptScrollPos.x - rcPlate.left),
point.y + (m_ptScrollPos.y + fPadding - rcPlate.top));
}
CFX_FloatRect CPWL_EditImpl::VTToEdit(const CFX_FloatRect& rect) const {
CFX_PointF ptLeftBottom = VTToEdit(CFX_PointF(rect.left, rect.bottom));
CFX_PointF ptRightTop = VTToEdit(CFX_PointF(rect.right, rect.top));
return CFX_FloatRect(ptLeftBottom.x, ptLeftBottom.y, ptRightTop.x,
ptRightTop.y);
}
void CPWL_EditImpl::SetScrollInfo() {
if (!m_pNotify)
return;
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
CFX_FloatRect rcContent = m_pVT->GetContentRect();
if (m_bNotifyFlag)
return;
AutoRestorer<bool> restorer(&m_bNotifyFlag);
m_bNotifyFlag = true;
PWL_SCROLL_INFO Info;
Info.fPlateWidth = rcPlate.top - rcPlate.bottom;
Info.fContentMin = rcContent.bottom;
Info.fContentMax = rcContent.top;
Info.fSmallStep = rcPlate.Height() / 3;
Info.fBigStep = rcPlate.Height();
m_pNotify->SetScrollInfo(Info);
}
void CPWL_EditImpl::SetScrollPosX(float fx) {
if (!m_bEnableScroll)
return;
if (m_pVT->IsValid()) {
if (!FXSYS_IsFloatEqual(m_ptScrollPos.x, fx)) {
m_ptScrollPos.x = fx;
Refresh();
}
}
}
void CPWL_EditImpl::SetScrollPosY(float fy) {
if (!m_bEnableScroll)
return;
if (m_pVT->IsValid()) {
if (!FXSYS_IsFloatEqual(m_ptScrollPos.y, fy)) {
m_ptScrollPos.y = fy;
Refresh();
if (m_pNotify) {
if (!m_bNotifyFlag) {
AutoRestorer<bool> restorer(&m_bNotifyFlag);
m_bNotifyFlag = true;
m_pNotify->SetScrollPosition(fy);
}
}
}
}
}
void CPWL_EditImpl::SetScrollPos(const CFX_PointF& point) {
SetScrollPosX(point.x);
SetScrollPosY(point.y);
SetScrollLimit();
SetCaretInfo();
}
CFX_PointF CPWL_EditImpl::GetScrollPos() const {
return m_ptScrollPos;
}
void CPWL_EditImpl::SetScrollLimit() {
if (m_pVT->IsValid()) {
CFX_FloatRect rcContent = m_pVT->GetContentRect();
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
if (rcPlate.Width() > rcContent.Width()) {
SetScrollPosX(rcPlate.left);
} else {
if (FXSYS_IsFloatSmaller(m_ptScrollPos.x, rcContent.left)) {
SetScrollPosX(rcContent.left);
} else if (FXSYS_IsFloatBigger(m_ptScrollPos.x,
rcContent.right - rcPlate.Width())) {
SetScrollPosX(rcContent.right - rcPlate.Width());
}
}
if (rcPlate.Height() > rcContent.Height()) {
SetScrollPosY(rcPlate.top);
} else {
if (FXSYS_IsFloatSmaller(m_ptScrollPos.y,
rcContent.bottom + rcPlate.Height())) {
SetScrollPosY(rcContent.bottom + rcPlate.Height());
} else if (FXSYS_IsFloatBigger(m_ptScrollPos.y, rcContent.top)) {
SetScrollPosY(rcContent.top);
}
}
}
}
void CPWL_EditImpl::ScrollToCaret() {
SetScrollLimit();
if (!m_pVT->IsValid())
return;
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_wpCaret);
CFX_PointF ptHead;
CFX_PointF ptFoot;
CPVT_Word word;
CPVT_Line line;
if (pIterator->GetWord(word)) {
ptHead.x = word.ptWord.x + word.fWidth;
ptHead.y = word.ptWord.y + word.fAscent;
ptFoot.x = word.ptWord.x + word.fWidth;
ptFoot.y = word.ptWord.y + word.fDescent;
} else if (pIterator->GetLine(line)) {
ptHead.x = line.ptLine.x;
ptHead.y = line.ptLine.y + line.fLineAscent;
ptFoot.x = line.ptLine.x;
ptFoot.y = line.ptLine.y + line.fLineDescent;
}
CFX_PointF ptHeadEdit = VTToEdit(ptHead);
CFX_PointF ptFootEdit = VTToEdit(ptFoot);
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
if (!FXSYS_IsFloatEqual(rcPlate.left, rcPlate.right)) {
if (FXSYS_IsFloatSmaller(ptHeadEdit.x, rcPlate.left) ||
FXSYS_IsFloatEqual(ptHeadEdit.x, rcPlate.left)) {
SetScrollPosX(ptHead.x);
} else if (FXSYS_IsFloatBigger(ptHeadEdit.x, rcPlate.right)) {
SetScrollPosX(ptHead.x - rcPlate.Width());
}
}
if (!FXSYS_IsFloatEqual(rcPlate.top, rcPlate.bottom)) {
if (FXSYS_IsFloatSmaller(ptFootEdit.y, rcPlate.bottom) ||
FXSYS_IsFloatEqual(ptFootEdit.y, rcPlate.bottom)) {
if (FXSYS_IsFloatSmaller(ptHeadEdit.y, rcPlate.top)) {
SetScrollPosY(ptFoot.y + rcPlate.Height());
}
} else if (FXSYS_IsFloatBigger(ptHeadEdit.y, rcPlate.top)) {
if (FXSYS_IsFloatBigger(ptFootEdit.y, rcPlate.bottom)) {
SetScrollPosY(ptHead.y);
}
}
}
}
void CPWL_EditImpl::Refresh() {
if (m_bEnableRefresh && m_pVT->IsValid()) {
m_Refresh.BeginRefresh();
RefreshPushLineRects(GetVisibleWordRange());
m_Refresh.NoAnalyse();
m_ptRefreshScrollPos = m_ptScrollPos;
if (m_pNotify) {
if (!m_bNotifyFlag) {
AutoRestorer<bool> restorer(&m_bNotifyFlag);
m_bNotifyFlag = true;
std::vector<CFX_FloatRect>* pRects = m_Refresh.GetRefreshRects();
for (auto& rect : *pRects) {
if (!m_pNotify->InvalidateRect(&rect)) {
m_pNotify = nullptr; // Gone, dangling even.
break;
}
}
}
}
m_Refresh.EndRefresh();
}
}
void CPWL_EditImpl::RefreshPushLineRects(const CPVT_WordRange& wr) {
if (!m_pVT->IsValid())
return;
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
CPVT_WordPlace wpBegin = wr.BeginPos;
m_pVT->UpdateWordPlace(wpBegin);
CPVT_WordPlace wpEnd = wr.EndPos;
m_pVT->UpdateWordPlace(wpEnd);
pIterator->SetAt(wpBegin);
CPVT_Line lineinfo;
do {
if (!pIterator->GetLine(lineinfo))
break;
if (lineinfo.lineplace.LineCmp(wpEnd) > 0)
break;
CFX_FloatRect rcLine(lineinfo.ptLine.x,
lineinfo.ptLine.y + lineinfo.fLineDescent,
lineinfo.ptLine.x + lineinfo.fLineWidth,
lineinfo.ptLine.y + lineinfo.fLineAscent);
m_Refresh.Push(CPVT_WordRange(lineinfo.lineplace, lineinfo.lineEnd),
VTToEdit(rcLine));
} while (pIterator->NextLine());
}
void CPWL_EditImpl::RefreshWordRange(const CPVT_WordRange& wr) {
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
CPVT_WordRange wrTemp = wr;
m_pVT->UpdateWordPlace(wrTemp.BeginPos);
m_pVT->UpdateWordPlace(wrTemp.EndPos);
pIterator->SetAt(wrTemp.BeginPos);
CPVT_Word wordinfo;
CPVT_Line lineinfo;
CPVT_WordPlace place;
while (pIterator->NextWord()) {
place = pIterator->GetWordPlace();
if (place > wrTemp.EndPos)
break;
pIterator->GetWord(wordinfo);
pIterator->GetLine(lineinfo);
if (place.LineCmp(wrTemp.BeginPos) == 0 ||
place.LineCmp(wrTemp.EndPos) == 0) {
CFX_FloatRect rcWord(wordinfo.ptWord.x,
lineinfo.ptLine.y + lineinfo.fLineDescent,
wordinfo.ptWord.x + wordinfo.fWidth,
lineinfo.ptLine.y + lineinfo.fLineAscent);
if (m_pNotify) {
if (!m_bNotifyFlag) {
AutoRestorer<bool> restorer(&m_bNotifyFlag);
m_bNotifyFlag = true;
CFX_FloatRect rcRefresh = VTToEdit(rcWord);
if (!m_pNotify->InvalidateRect(&rcRefresh)) {
m_pNotify = nullptr; // Gone, dangling even.
}
}
}
} else {
CFX_FloatRect rcLine(lineinfo.ptLine.x,
lineinfo.ptLine.y + lineinfo.fLineDescent,
lineinfo.ptLine.x + lineinfo.fLineWidth,
lineinfo.ptLine.y + lineinfo.fLineAscent);
if (m_pNotify) {
if (!m_bNotifyFlag) {
AutoRestorer<bool> restorer(&m_bNotifyFlag);
m_bNotifyFlag = true;
CFX_FloatRect rcRefresh = VTToEdit(rcLine);
if (!m_pNotify->InvalidateRect(&rcRefresh)) {
m_pNotify = nullptr; // Gone, dangling even.
}
}
}
pIterator->NextLine();
}
}
}
void CPWL_EditImpl::SetCaret(const CPVT_WordPlace& place) {
m_wpOldCaret = m_wpCaret;
m_wpCaret = place;
}
void CPWL_EditImpl::SetCaretInfo() {
if (m_pNotify) {
if (!m_bNotifyFlag) {
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_wpCaret);
CFX_PointF ptHead;
CFX_PointF ptFoot;
CPVT_Word word;
CPVT_Line line;
if (pIterator->GetWord(word)) {
ptHead.x = word.ptWord.x + word.fWidth;
ptHead.y = word.ptWord.y + word.fAscent;
ptFoot.x = word.ptWord.x + word.fWidth;
ptFoot.y = word.ptWord.y + word.fDescent;
} else if (pIterator->GetLine(line)) {
ptHead.x = line.ptLine.x;
ptHead.y = line.ptLine.y + line.fLineAscent;
ptFoot.x = line.ptLine.x;
ptFoot.y = line.ptLine.y + line.fLineDescent;
}
AutoRestorer<bool> restorer(&m_bNotifyFlag);
m_bNotifyFlag = true;
m_pNotify->SetCaret(m_SelState.IsEmpty(), VTToEdit(ptHead),
VTToEdit(ptFoot));
}
}
}
void CPWL_EditImpl::OnMouseDown(const CFX_PointF& point,
bool bShift,
bool bCtrl) {
if (!m_pVT->IsValid())
return;
SelectNone();
SetCaret(m_pVT->SearchWordPlace(EditToVT(point)));
m_SelState.Set(m_wpCaret, m_wpCaret);
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
void CPWL_EditImpl::OnMouseMove(const CFX_PointF& point,
bool bShift,
bool bCtrl) {
if (!m_pVT->IsValid())
return;
SetCaret(m_pVT->SearchWordPlace(EditToVT(point)));
if (m_wpCaret == m_wpOldCaret)
return;
m_SelState.SetEndPos(m_wpCaret);
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
void CPWL_EditImpl::OnVK_UP(bool bShift) {
if (!m_pVT->IsValid())
return;
SetCaret(m_pVT->GetUpWordPlace(m_wpCaret, m_ptCaret));
if (bShift) {
if (m_SelState.IsEmpty())
m_SelState.Set(m_wpOldCaret, m_wpCaret);
else
m_SelState.SetEndPos(m_wpCaret);
if (m_wpOldCaret != m_wpCaret) {
ScrollToCaret();
Refresh();
SetCaretInfo();
}
} else {
SelectNone();
ScrollToCaret();
SetCaretInfo();
}
}
void CPWL_EditImpl::OnVK_DOWN(bool bShift) {
if (!m_pVT->IsValid())
return;
SetCaret(m_pVT->GetDownWordPlace(m_wpCaret, m_ptCaret));
if (bShift) {
if (m_SelState.IsEmpty())
m_SelState.Set(m_wpOldCaret, m_wpCaret);
else
m_SelState.SetEndPos(m_wpCaret);
if (m_wpOldCaret != m_wpCaret) {
ScrollToCaret();
Refresh();
SetCaretInfo();
}
} else {
SelectNone();
ScrollToCaret();
SetCaretInfo();
}
}
void CPWL_EditImpl::OnVK_LEFT(bool bShift) {
if (!m_pVT->IsValid())
return;
if (bShift) {
if (m_wpCaret == m_pVT->GetLineBeginPlace(m_wpCaret) &&
m_wpCaret != m_pVT->GetSectionBeginPlace(m_wpCaret)) {
SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
}
SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
if (m_SelState.IsEmpty())
m_SelState.Set(m_wpOldCaret, m_wpCaret);
else
m_SelState.SetEndPos(m_wpCaret);
if (m_wpOldCaret != m_wpCaret) {
ScrollToCaret();
Refresh();
SetCaretInfo();
}
} else {
if (!m_SelState.IsEmpty()) {
if (m_SelState.BeginPos < m_SelState.EndPos)
SetCaret(m_SelState.BeginPos);
else
SetCaret(m_SelState.EndPos);
SelectNone();
ScrollToCaret();
SetCaretInfo();
} else {
if (m_wpCaret == m_pVT->GetLineBeginPlace(m_wpCaret) &&
m_wpCaret != m_pVT->GetSectionBeginPlace(m_wpCaret)) {
SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
}
SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
}
void CPWL_EditImpl::OnVK_RIGHT(bool bShift) {
if (!m_pVT->IsValid())
return;
if (bShift) {
SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
if (m_wpCaret == m_pVT->GetLineEndPlace(m_wpCaret) &&
m_wpCaret != m_pVT->GetSectionEndPlace(m_wpCaret))
SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
if (m_SelState.IsEmpty())
m_SelState.Set(m_wpOldCaret, m_wpCaret);
else
m_SelState.SetEndPos(m_wpCaret);
if (m_wpOldCaret != m_wpCaret) {
ScrollToCaret();
Refresh();
SetCaretInfo();
}
} else {
if (!m_SelState.IsEmpty()) {
if (m_SelState.BeginPos > m_SelState.EndPos)
SetCaret(m_SelState.BeginPos);
else
SetCaret(m_SelState.EndPos);
SelectNone();
ScrollToCaret();
SetCaretInfo();
} else {
SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
if (m_wpCaret == m_pVT->GetLineEndPlace(m_wpCaret) &&
m_wpCaret != m_pVT->GetSectionEndPlace(m_wpCaret)) {
SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
}
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
}
void CPWL_EditImpl::OnVK_HOME(bool bShift, bool bCtrl) {
if (!m_pVT->IsValid())
return;
if (bShift) {
if (bCtrl)
SetCaret(m_pVT->GetBeginWordPlace());
else
SetCaret(m_pVT->GetLineBeginPlace(m_wpCaret));
if (m_SelState.IsEmpty())
m_SelState.Set(m_wpOldCaret, m_wpCaret);
else
m_SelState.SetEndPos(m_wpCaret);
ScrollToCaret();
Refresh();
SetCaretInfo();
} else {
if (!m_SelState.IsEmpty()) {
SetCaret(std::min(m_SelState.BeginPos, m_SelState.EndPos));
SelectNone();
ScrollToCaret();
SetCaretInfo();
} else {
if (bCtrl)
SetCaret(m_pVT->GetBeginWordPlace());
else
SetCaret(m_pVT->GetLineBeginPlace(m_wpCaret));
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
}
void CPWL_EditImpl::OnVK_END(bool bShift, bool bCtrl) {
if (!m_pVT->IsValid())
return;
if (bShift) {
if (bCtrl)
SetCaret(m_pVT->GetEndWordPlace());
else
SetCaret(m_pVT->GetLineEndPlace(m_wpCaret));
if (m_SelState.IsEmpty())
m_SelState.Set(m_wpOldCaret, m_wpCaret);
else
m_SelState.SetEndPos(m_wpCaret);
ScrollToCaret();
Refresh();
SetCaretInfo();
} else {
if (!m_SelState.IsEmpty()) {
SetCaret(std::max(m_SelState.BeginPos, m_SelState.EndPos));
SelectNone();
ScrollToCaret();
SetCaretInfo();
} else {
if (bCtrl)
SetCaret(m_pVT->GetEndWordPlace());
else
SetCaret(m_pVT->GetLineEndPlace(m_wpCaret));
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
}
bool CPWL_EditImpl::InsertWord(uint16_t word,
FX_Charset charset,
bool bAddUndo) {
if (IsTextOverflow() || !m_pVT->IsValid())
return false;
m_pVT->UpdateWordPlace(m_wpCaret);
SetCaret(
m_pVT->InsertWord(m_wpCaret, word, GetCharSetFromUnicode(word, charset)));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (m_wpCaret == m_wpOldCaret)
return false;
if (bAddUndo && m_bEnableUndo) {
AddEditUndoItem(std::make_unique<UndoInsertWord>(this, m_wpOldCaret,
m_wpCaret, word, charset));
}
PaintInsertText(m_wpOldCaret, m_wpCaret);
return true;
}
bool CPWL_EditImpl::InsertReturn(bool bAddUndo) {
if (IsTextOverflow() || !m_pVT->IsValid())
return false;
m_pVT->UpdateWordPlace(m_wpCaret);
SetCaret(m_pVT->InsertSection(m_wpCaret));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (m_wpCaret == m_wpOldCaret)
return false;
if (bAddUndo && m_bEnableUndo) {
AddEditUndoItem(
std::make_unique<UndoInsertReturn>(this, m_wpOldCaret, m_wpCaret));
}
RearrangePart(CPVT_WordRange(m_wpOldCaret, m_wpCaret));
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
return true;
}
bool CPWL_EditImpl::Backspace(bool bAddUndo) {
if (!m_pVT->IsValid() || m_wpCaret == m_pVT->GetBeginWordPlace())
return false;
CPVT_Word word;
if (bAddUndo) {
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_wpCaret);
pIterator->GetWord(word);
}
m_pVT->UpdateWordPlace(m_wpCaret);
SetCaret(m_pVT->BackSpaceWord(m_wpCaret));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (m_wpCaret == m_wpOldCaret)
return false;
if (bAddUndo && m_bEnableUndo) {
AddEditUndoItem(std::make_unique<UndoBackspace>(
this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset));
}
RearrangePart(CPVT_WordRange(m_wpCaret, m_wpOldCaret));
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
return true;
}
bool CPWL_EditImpl::Delete(bool bAddUndo) {
if (!m_pVT->IsValid() || m_wpCaret == m_pVT->GetEndWordPlace())
return false;
CPVT_Word word;
if (bAddUndo) {
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_pVT->GetNextWordPlace(m_wpCaret));
pIterator->GetWord(word);
}
m_pVT->UpdateWordPlace(m_wpCaret);
bool bSecEnd = (m_wpCaret == m_pVT->GetSectionEndPlace(m_wpCaret));
SetCaret(m_pVT->DeleteWord(m_wpCaret));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (bAddUndo && m_bEnableUndo) {
if (bSecEnd) {
AddEditUndoItem(std::make_unique<UndoDelete>(
this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset, bSecEnd));
} else {
AddEditUndoItem(std::make_unique<UndoDelete>(
this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset, bSecEnd));
}
}
RearrangePart(CPVT_WordRange(m_wpOldCaret, m_wpCaret));
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
return true;
}
bool CPWL_EditImpl::Clear() {
if (m_pVT->IsValid()) {
m_pVT->DeleteWords(GetWholeWordRange());
SetCaret(m_pVT->GetBeginWordPlace());
return true;
}
return false;
}
bool CPWL_EditImpl::Clear(bool bAddUndo) {
if (!m_pVT->IsValid() || m_SelState.IsEmpty())
return false;
CPVT_WordRange range = m_SelState.ConvertToWordRange();
if (bAddUndo && m_bEnableUndo) {
AddEditUndoItem(
std::make_unique<UndoClear>(this, range, GetSelectedText()));
}
SelectNone();
SetCaret(m_pVT->DeleteWords(range));
m_SelState.Set(m_wpCaret, m_wpCaret);
RearrangePart(range);
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
return true;
}
bool CPWL_EditImpl::InsertText(const WideString& sText,
FX_Charset charset,
bool bAddUndo) {
if (IsTextOverflow())
return false;
m_pVT->UpdateWordPlace(m_wpCaret);
SetCaret(DoInsertText(m_wpCaret, sText, charset));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (m_wpCaret == m_wpOldCaret)
return false;
if (bAddUndo && m_bEnableUndo) {
AddEditUndoItem(std::make_unique<UndoInsertText>(
this, m_wpOldCaret, m_wpCaret, sText, charset));
}
PaintInsertText(m_wpOldCaret, m_wpCaret);
return true;
}
void CPWL_EditImpl::PaintInsertText(const CPVT_WordPlace& wpOld,
const CPVT_WordPlace& wpNew) {
if (m_pVT->IsValid()) {
RearrangePart(CPVT_WordRange(wpOld, wpNew));
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
}
void CPWL_EditImpl::ReplaceAndKeepSelection(const WideString& text) {
AddEditUndoItem(std::make_unique<UndoReplaceSelection>(this, false));
ClearSelection();
// Select the inserted text.
CPVT_WordPlace caret_before_insert = m_wpCaret;
InsertText(text, FX_Charset::kDefault);
CPVT_WordPlace caret_after_insert = m_wpCaret;
m_SelState.Set(caret_before_insert, caret_after_insert);
AddEditUndoItem(std::make_unique<UndoReplaceSelection>(this, true));
}
void CPWL_EditImpl::ReplaceSelection(const WideString& text) {
AddEditUndoItem(std::make_unique<UndoReplaceSelection>(this, false));
ClearSelection();
InsertText(text, FX_Charset::kDefault);
AddEditUndoItem(std::make_unique<UndoReplaceSelection>(this, true));
}
bool CPWL_EditImpl::Redo() {
if (m_bEnableUndo) {
if (m_Undo.CanRedo()) {
m_Undo.Redo();
return true;
}
}
return false;
}
bool CPWL_EditImpl::Undo() {
if (m_bEnableUndo) {
if (m_Undo.CanUndo()) {
m_Undo.Undo();
return true;
}
}
return false;
}
void CPWL_EditImpl::SetCaretOrigin() {
if (!m_pVT->IsValid())
return;
CPVT_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_wpCaret);
CPVT_Word word;
CPVT_Line line;
if (pIterator->GetWord(word)) {
m_ptCaret.x = word.ptWord.x + word.fWidth;
m_ptCaret.y = word.ptWord.y;
} else if (pIterator->GetLine(line)) {
m_ptCaret.x = line.ptLine.x;
m_ptCaret.y = line.ptLine.y;
}
}
CPVT_WordPlace CPWL_EditImpl::WordIndexToWordPlace(int32_t index) const {
if (m_pVT->IsValid())
return m_pVT->WordIndexToWordPlace(index);
return CPVT_WordPlace();
}
bool CPWL_EditImpl::IsTextFull() const {
int32_t nTotalWords = m_pVT->GetTotalWords();
int32_t nLimitChar = m_pVT->GetLimitChar();
int32_t nCharArray = m_pVT->GetCharArray();
return IsTextOverflow() || (nLimitChar > 0 && nTotalWords >= nLimitChar) ||
(nCharArray > 0 && nTotalWords >= nCharArray);
}
bool CPWL_EditImpl::IsTextOverflow() const {
if (!m_bEnableScroll && !m_bEnableOverflow) {
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
CFX_FloatRect rcContent = m_pVT->GetContentRect();
if (m_pVT->IsMultiLine() && GetTotalLines() > 1 &&
FXSYS_IsFloatBigger(rcContent.Height(), rcPlate.Height())) {
return true;
}
if (FXSYS_IsFloatBigger(rcContent.Width(), rcPlate.Width()))
return true;
}
return false;
}
bool CPWL_EditImpl::CanUndo() const {
if (m_bEnableUndo) {
return m_Undo.CanUndo();
}
return false;
}
bool CPWL_EditImpl::CanRedo() const {
if (m_bEnableUndo) {
return m_Undo.CanRedo();
}
return false;
}
void CPWL_EditImpl::EnableRefresh(bool bRefresh) {
m_bEnableRefresh = bRefresh;
}
void CPWL_EditImpl::EnableUndo(bool bUndo) {
m_bEnableUndo = bUndo;
}
CPVT_WordPlace CPWL_EditImpl::DoInsertText(const CPVT_WordPlace& place,
const WideString& sText,
FX_Charset charset) {
if (!m_pVT->IsValid())
return place;
CPVT_WordPlace wp = place;
for (size_t i = 0; i < sText.GetLength(); ++i) {
uint16_t word = sText[i];
switch (word) {
case '\r':
wp = m_pVT->InsertSection(wp);
if (i + 1 < sText.GetLength() && sText[i + 1] == '\n')
i++;
break;
case '\n':
wp = m_pVT->InsertSection(wp);
break;
case '\t':
word = ' ';
[[fallthrough]];
default:
wp = m_pVT->InsertWord(wp, word, GetCharSetFromUnicode(word, charset));
break;
}
}
return wp;
}
FX_Charset CPWL_EditImpl::GetCharSetFromUnicode(uint16_t word,
FX_Charset nOldCharset) {
if (IPVT_FontMap* pFontMap = GetFontMap())
return pFontMap->CharSetFromUnicode(word, nOldCharset);
return nOldCharset;
}
void CPWL_EditImpl::AddEditUndoItem(
std::unique_ptr<UndoItemIface> pEditUndoItem) {
m_Undo.AddItem(std::move(pEditUndoItem));
}
ByteString CPWL_EditImpl::GetPDFWordString(int32_t nFontIndex,
uint16_t Word,
uint16_t SubWord) {
IPVT_FontMap* pFontMap = GetFontMap();
RetainPtr<CPDF_Font> pPDFFont = pFontMap->GetPDFFont(nFontIndex);
if (!pPDFFont)
return ByteString();
ByteString sWord;
if (SubWord > 0) {
Word = SubWord;
} else {
uint32_t dwCharCode = pPDFFont->IsUnicodeCompatible()
? pPDFFont->CharCodeFromUnicode(Word)
: pFontMap->CharCodeFromUnicode(nFontIndex, Word);
if (dwCharCode > 0) {
pPDFFont->AppendChar(&sWord, dwCharCode);
return sWord;
}
}
pPDFFont->AppendChar(&sWord, Word);
return sWord;
}
CPWL_EditImpl::SelectState::SelectState() = default;
CPWL_EditImpl::SelectState::SelectState(const CPVT_WordRange& range) {
Set(range.BeginPos, range.EndPos);
}
CPVT_WordRange CPWL_EditImpl::SelectState::ConvertToWordRange() const {
return CPVT_WordRange(BeginPos, EndPos);
}
void CPWL_EditImpl::SelectState::Reset() {
BeginPos.Reset();
EndPos.Reset();
}
void CPWL_EditImpl::SelectState::Set(const CPVT_WordPlace& begin,
const CPVT_WordPlace& end) {
BeginPos = begin;
EndPos = end;
}
void CPWL_EditImpl::SelectState::SetEndPos(const CPVT_WordPlace& end) {
EndPos = end;
}
bool CPWL_EditImpl::SelectState::IsEmpty() const {
return BeginPos == EndPos;
}