blob: 3657b88114532dbef683d4939efef0c92553c582 [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.h"
#include <algorithm>
#include <memory>
#include <sstream>
#include <utility>
#include "constants/ascii.h"
#include "core/fpdfapi/font/cpdf_font.h"
#include "core/fpdfdoc/cpvt_word.h"
#include "core/fpdfdoc/ipvt_fontmap.h"
#include "core/fxcrt/fx_safe_types.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 "core/fxge/fx_font.h"
#include "fpdfsdk/pwl/cpwl_caret.h"
#include "fpdfsdk/pwl/cpwl_edit_impl.h"
#include "fpdfsdk/pwl/cpwl_scroll_bar.h"
#include "fpdfsdk/pwl/cpwl_wnd.h"
#include "fpdfsdk/pwl/ipwl_fillernotify.h"
#include "public/fpdf_fwlevent.h"
#include "third_party/base/check.h"
CPWL_Edit::CPWL_Edit(
const CreateParams& cp,
std::unique_ptr<IPWL_FillerNotify::PerWindowData> pAttachedData)
: CPWL_Wnd(cp, std::move(pAttachedData)),
m_pEditImpl(std::make_unique<CPWL_EditImpl>()) {
GetCreationParams()->eCursorType = IPWL_FillerNotify::CursorStyle::kVBeam;
}
CPWL_Edit::~CPWL_Edit() {
DCHECK(!m_bFocus);
}
void CPWL_Edit::SetText(const WideString& csText) {
m_pEditImpl->SetText(csText);
m_pEditImpl->Paint();
}
bool CPWL_Edit::RepositionChildWnd() {
if (CPWL_ScrollBar* pVSB = GetVScrollBar()) {
CFX_FloatRect rcWindow = m_rcOldWindow;
CFX_FloatRect rcVScroll =
CFX_FloatRect(rcWindow.right, rcWindow.bottom,
rcWindow.right + CPWL_ScrollBar::kWidth, rcWindow.top);
ObservedPtr<CPWL_Edit> this_observed(this);
pVSB->Move(rcVScroll, true, false);
if (!this_observed) {
return false;
}
}
if (m_pCaret && !HasFlag(PES_TEXTOVERFLOW)) {
CFX_FloatRect rect = GetClientRect();
if (!rect.IsEmpty()) {
// +1 for caret beside border
rect.Inflate(1.0f, 1.0f);
rect.Normalize();
}
m_pCaret->SetClipRect(rect);
}
m_pEditImpl->SetPlateRect(GetClientRect());
m_pEditImpl->Paint();
return true;
}
CFX_FloatRect CPWL_Edit::GetClientRect() const {
float width = static_cast<float>(GetBorderWidth() + GetInnerBorderWidth());
CFX_FloatRect rcClient = GetWindowRect().GetDeflated(width, width);
CPWL_ScrollBar* pVSB = GetVScrollBar();
if (pVSB && pVSB->IsVisible())
rcClient.right -= CPWL_ScrollBar::kWidth;
return rcClient;
}
void CPWL_Edit::SetAlignFormatVerticalCenter() {
m_pEditImpl->SetAlignmentV(static_cast<int32_t>(PEAV_CENTER));
m_pEditImpl->Paint();
}
bool CPWL_Edit::CanSelectAll() const {
return GetSelectWordRange() != m_pEditImpl->GetWholeWordRange();
}
bool CPWL_Edit::CanCopy() const {
return !HasFlag(PES_PASSWORD) && m_pEditImpl->IsSelected();
}
bool CPWL_Edit::CanCut() const {
return CanCopy() && !IsReadOnly();
}
void CPWL_Edit::CutText() {
if (!CanCut())
return;
m_pEditImpl->ClearSelection();
}
void CPWL_Edit::OnCreated() {
SetFontSize(GetCreationParams()->fFontSize);
m_pEditImpl->SetFontMap(GetFontMap());
m_pEditImpl->SetNotify(this);
m_pEditImpl->Initialize();
if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
pScroll->RemoveFlag(PWS_AUTOTRANSPARENT);
pScroll->SetTransparency(255);
}
SetParamByFlag();
m_rcOldWindow = GetWindowRect();
}
void CPWL_Edit::SetParamByFlag() {
if (HasFlag(PES_RIGHT)) {
m_pEditImpl->SetAlignmentH(2);
} else if (HasFlag(PES_MIDDLE)) {
m_pEditImpl->SetAlignmentH(1);
} else {
m_pEditImpl->SetAlignmentH(0);
}
if (HasFlag(PES_CENTER)) {
m_pEditImpl->SetAlignmentV(1);
} else {
m_pEditImpl->SetAlignmentV(0);
}
if (HasFlag(PES_PASSWORD)) {
m_pEditImpl->SetPasswordChar('*');
}
m_pEditImpl->SetMultiLine(HasFlag(PES_MULTILINE));
m_pEditImpl->SetAutoReturn(HasFlag(PES_AUTORETURN));
m_pEditImpl->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE));
m_pEditImpl->SetAutoScroll(HasFlag(PES_AUTOSCROLL));
m_pEditImpl->EnableUndo(HasFlag(PES_UNDO));
if (HasFlag(PES_TEXTOVERFLOW)) {
SetClipRect(CFX_FloatRect());
m_pEditImpl->SetTextOverflow(true);
} else {
if (m_pCaret) {
CFX_FloatRect rect = GetClientRect();
if (!rect.IsEmpty()) {
// +1 for caret beside border
rect.Inflate(1.0f, 1.0f);
rect.Normalize();
}
m_pCaret->SetClipRect(rect);
}
}
}
void CPWL_Edit::DrawThisAppearance(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device) {
CPWL_Wnd::DrawThisAppearance(pDevice, mtUser2Device);
const CFX_FloatRect rcClient = GetClientRect();
const BorderStyle border_style = GetBorderStyle();
const int32_t nCharArray = m_pEditImpl->GetCharArray();
bool draw_border = nCharArray > 0 && (border_style == BorderStyle::kSolid ||
border_style == BorderStyle::kDash);
if (draw_border) {
FX_SAFE_INT32 nCharArraySafe = nCharArray;
nCharArraySafe -= 1;
nCharArraySafe *= 2;
draw_border = nCharArraySafe.IsValid();
}
if (draw_border) {
CFX_GraphStateData gsd;
gsd.m_LineWidth = GetBorderWidth();
if (border_style == BorderStyle::kDash) {
gsd.m_DashArray = {static_cast<float>(GetBorderDash().nDash),
static_cast<float>(GetBorderDash().nGap)};
gsd.m_DashPhase = GetBorderDash().nPhase;
}
const float width = (rcClient.right - rcClient.left) / nCharArray;
CFX_Path path;
CFX_PointF bottom(0, rcClient.bottom);
CFX_PointF top(0, rcClient.top);
for (int32_t i = 0; i < nCharArray - 1; ++i) {
bottom.x = rcClient.left + width * (i + 1);
top.x = bottom.x;
path.AppendPoint(bottom, CFX_Path::Point::Type::kMove);
path.AppendPoint(top, CFX_Path::Point::Type::kLine);
}
if (!path.GetPoints().empty()) {
pDevice->DrawPath(path, &mtUser2Device, &gsd, 0,
GetBorderColor().ToFXColor(255),
CFX_FillRenderOptions::EvenOddOptions());
}
}
CFX_FloatRect rcClip;
CPVT_WordRange wrRange = m_pEditImpl->GetVisibleWordRange();
CPVT_WordRange* pRange = nullptr;
if (!HasFlag(PES_TEXTOVERFLOW)) {
rcClip = GetClientRect();
pRange = &wrRange;
}
m_pEditImpl->DrawEdit(
pDevice, mtUser2Device, GetTextColor().ToFXColor(GetTransparency()),
rcClip, CFX_PointF(), pRange, GetFillerNotify(), GetAttachedData());
}
void CPWL_Edit::OnSetFocus() {
ObservedPtr<CPWL_Edit> observed_ptr(this);
SetEditCaret(true);
if (!observed_ptr)
return;
if (!IsReadOnly()) {
CPWL_Wnd::ProviderIface* pProvider = GetProvider();
if (pProvider) {
pProvider->OnSetFocusForEdit(this);
if (!observed_ptr)
return;
}
}
m_bFocus = true;
}
void CPWL_Edit::OnKillFocus() {
ObservedPtr<CPWL_Edit> observed_ptr(this);
CPWL_ScrollBar* pScroll = GetVScrollBar();
if (pScroll && pScroll->IsVisible()) {
if (!pScroll->SetVisible(false)) {
return;
}
if (!observed_ptr) {
return;
}
if (!Move(m_rcOldWindow, true, true)) {
return;
}
}
m_pEditImpl->SelectNone();
if (!observed_ptr)
return;
if (!SetCaret(false, CFX_PointF(), CFX_PointF()))
return;
SetCharSet(FX_Charset::kANSI);
m_bFocus = false;
}
CPVT_WordRange CPWL_Edit::GetSelectWordRange() const {
if (!m_pEditImpl->IsSelected())
return CPVT_WordRange();
int32_t nStart;
int32_t nEnd;
std::tie(nStart, nEnd) = m_pEditImpl->GetSelection();
CPVT_WordPlace wpStart = m_pEditImpl->WordIndexToWordPlace(nStart);
CPVT_WordPlace wpEnd = m_pEditImpl->WordIndexToWordPlace(nEnd);
return CPVT_WordRange(wpStart, wpEnd);
}
bool CPWL_Edit::IsTextFull() const {
return m_pEditImpl->IsTextFull();
}
float CPWL_Edit::GetCharArrayAutoFontSize(const CPDF_Font* pFont,
const CFX_FloatRect& rcPlate,
int32_t nCharArray) {
if (!pFont || pFont->IsStandardFont())
return 0.0f;
const FX_RECT& rcBBox = pFont->GetFontBBox();
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;
}
void CPWL_Edit::SetCharArray(int32_t nCharArray) {
if (!HasFlag(PES_CHARARRAY) || nCharArray <= 0)
return;
m_pEditImpl->SetCharArray(nCharArray);
m_pEditImpl->SetTextOverflow(true);
m_pEditImpl->Paint();
if (!HasFlag(PWS_AUTOFONTSIZE))
return;
IPVT_FontMap* pFontMap = GetFontMap();
if (!pFontMap)
return;
float fFontSize = GetCharArrayAutoFontSize(pFontMap->GetPDFFont(0).Get(),
GetClientRect(), nCharArray);
if (fFontSize <= 0.0f)
return;
m_pEditImpl->SetAutoFontSize(false);
m_pEditImpl->SetFontSize(fFontSize);
m_pEditImpl->Paint();
}
void CPWL_Edit::SetLimitChar(int32_t nLimitChar) {
m_pEditImpl->SetLimitChar(nLimitChar);
m_pEditImpl->Paint();
}
CFX_FloatRect CPWL_Edit::GetFocusRect() const {
return CFX_FloatRect();
}
bool CPWL_Edit::IsVScrollBarVisible() const {
CPWL_ScrollBar* pScroll = GetVScrollBar();
return pScroll && pScroll->IsVisible();
}
bool CPWL_Edit::OnKeyDown(FWL_VKEYCODE nKeyCode, Mask<FWL_EVENTFLAG> nFlag) {
if (m_bMouseDown)
return true;
if (nKeyCode == FWL_VKEY_Delete) {
WideString strChange;
WideString strChangeEx;
int nSelStart;
int nSelEnd;
std::tie(nSelStart, nSelEnd) = GetSelection();
if (nSelStart == nSelEnd)
nSelEnd = nSelStart + 1;
ObservedPtr<CPWL_Wnd> this_observed(this);
bool bRC;
bool bExit;
std::tie(bRC, bExit) = GetFillerNotify()->OnBeforeKeyStroke(
GetAttachedData(), strChange, strChangeEx, nSelStart, nSelEnd, true,
nFlag);
if (!this_observed) {
return false;
}
if (!bRC)
return false;
if (bExit)
return false;
}
bool bRet = OnKeyDownInternal(nKeyCode, nFlag);
// In case of implementation swallow the OnKeyDown event.
if (IsProceedtoOnChar(nKeyCode, nFlag))
return true;
return bRet;
}
// static
bool CPWL_Edit::IsProceedtoOnChar(FWL_VKEYCODE nKeyCode,
Mask<FWL_EVENTFLAG> nFlag) {
bool bCtrl = IsPlatformShortcutKey(nFlag);
bool bAlt = IsALTKeyDown(nFlag);
if (bCtrl && !bAlt) {
// hot keys for edit control.
switch (nKeyCode) {
case FWL_VKEY_A:
case FWL_VKEY_C:
case FWL_VKEY_V:
case FWL_VKEY_X:
case FWL_VKEY_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, Mask<FWL_EVENTFLAG> nFlag) {
if (m_bMouseDown)
return true;
bool bRC = true;
bool bExit = false;
if (!IsCTRLKeyDown(nFlag)) {
WideString swChange;
int nSelStart;
int nSelEnd;
std::tie(nSelStart, nSelEnd) = GetSelection();
switch (nChar) {
case pdfium::ascii::kBackspace:
if (nSelStart == nSelEnd)
nSelStart = nSelEnd - 1;
break;
case pdfium::ascii::kReturn:
break;
default:
swChange += nChar;
break;
}
ObservedPtr<CPWL_Wnd> this_observed(this);
WideString strChangeEx;
std::tie(bRC, bExit) = GetFillerNotify()->OnBeforeKeyStroke(
GetAttachedData(), swChange, strChangeEx, nSelStart, nSelEnd, true,
nFlag);
if (!this_observed) {
return false;
}
}
if (!bRC)
return true;
if (bExit)
return false;
if (IPVT_FontMap* pFontMap = GetFontMap()) {
FX_Charset nOldCharSet = GetCharSet();
FX_Charset nNewCharSet =
pFontMap->CharSetFromUnicode(nChar, FX_Charset::kDefault);
if (nOldCharSet != nNewCharSet) {
SetCharSet(nNewCharSet);
}
}
return OnCharInternal(nChar, nFlag);
}
bool CPWL_Edit::OnMouseWheel(Mask<FWL_EVENTFLAG> nFlag,
const CFX_PointF& point,
const CFX_Vector& delta) {
if (!HasFlag(PES_MULTILINE))
return false;
CFX_PointF ptScroll = GetScrollPos();
if (delta.y > 0)
ptScroll.y += GetFontSize();
else
ptScroll.y -= GetFontSize();
SetScrollPos(ptScroll);
return true;
}
void CPWL_Edit::OnDestroy() {
m_pCaret.ExtractAsDangling();
}
bool CPWL_Edit::IsWndHorV() const {
CFX_Matrix mt = GetWindowMatrix();
return mt.Transform(CFX_PointF(1, 1)).y == mt.Transform(CFX_PointF(0, 1)).y;
}
void CPWL_Edit::SetCursor() {
if (IsValid()) {
GetFillerNotify()->SetCursor(IsWndHorV()
? IPWL_FillerNotify::CursorStyle::kVBeam
: IPWL_FillerNotify::CursorStyle::kHBeam);
}
}
WideString CPWL_Edit::GetSelectedText() {
return m_pEditImpl->GetSelectedText();
}
void CPWL_Edit::ReplaceAndKeepSelection(const WideString& text) {
m_pEditImpl->ReplaceAndKeepSelection(text);
}
void CPWL_Edit::ReplaceSelection(const WideString& text) {
m_pEditImpl->ReplaceSelection(text);
}
bool CPWL_Edit::SelectAllText() {
m_pEditImpl->SelectAll();
return true;
}
void CPWL_Edit::SetScrollInfo(const PWL_SCROLL_INFO& info) {
if (CPWL_Wnd* pChild = GetVScrollBar())
pChild->SetScrollInfo(info);
}
void CPWL_Edit::SetScrollPosition(float pos) {
if (CPWL_Wnd* pChild = GetVScrollBar())
pChild->SetScrollPosition(pos);
}
void CPWL_Edit::ScrollWindowVertically(float pos) {
m_pEditImpl->SetScrollPos(CFX_PointF(m_pEditImpl->GetScrollPos().x, pos));
}
void CPWL_Edit::CreateChildWnd(const CreateParams& cp) {
if (!IsReadOnly())
CreateEditCaret(cp);
}
void CPWL_Edit::CreateEditCaret(const CreateParams& cp) {
if (m_pCaret)
return;
CreateParams ecp = cp;
ecp.dwFlags = PWS_NOREFRESHCLIP;
ecp.dwBorderWidth = 0;
ecp.nBorderStyle = BorderStyle::kSolid;
ecp.rcRectWnd = CFX_FloatRect();
auto pCaret = std::make_unique<CPWL_Caret>(ecp, CloneAttachedData());
m_pCaret = pCaret.get();
m_pCaret->SetInvalidRect(GetClientRect());
AddChild(std::move(pCaret));
m_pCaret->Realize();
}
void CPWL_Edit::SetFontSize(float fFontSize) {
m_pEditImpl->SetFontSize(fFontSize);
m_pEditImpl->Paint();
}
float CPWL_Edit::GetFontSize() const {
return m_pEditImpl->GetFontSize();
}
bool CPWL_Edit::OnKeyDownInternal(FWL_VKEYCODE nKeyCode,
Mask<FWL_EVENTFLAG> nFlag) {
if (m_bMouseDown)
return true;
bool bRet = CPWL_Wnd::OnKeyDown(nKeyCode, nFlag);
// FILTER
switch (nKeyCode) {
default:
return false;
case FWL_VKEY_Delete:
case FWL_VKEY_Up:
case FWL_VKEY_Down:
case FWL_VKEY_Left:
case FWL_VKEY_Right:
case FWL_VKEY_Home:
case FWL_VKEY_End:
case FWL_VKEY_Insert:
case FWL_VKEY_A:
case FWL_VKEY_C:
case FWL_VKEY_V:
case FWL_VKEY_X:
case FWL_VKEY_Z:
break;
}
if (nKeyCode == FWL_VKEY_Delete && m_pEditImpl->IsSelected())
nKeyCode = FWL_VKEY_Unknown;
switch (nKeyCode) {
case FWL_VKEY_Delete:
Delete();
return true;
case FWL_VKEY_Insert:
if (IsSHIFTKeyDown(nFlag))
PasteText();
return true;
case FWL_VKEY_Up:
m_pEditImpl->OnVK_UP(IsSHIFTKeyDown(nFlag));
return true;
case FWL_VKEY_Down:
m_pEditImpl->OnVK_DOWN(IsSHIFTKeyDown(nFlag));
return true;
case FWL_VKEY_Left:
m_pEditImpl->OnVK_LEFT(IsSHIFTKeyDown(nFlag));
return true;
case FWL_VKEY_Right:
m_pEditImpl->OnVK_RIGHT(IsSHIFTKeyDown(nFlag));
return true;
case FWL_VKEY_Home:
m_pEditImpl->OnVK_HOME(IsSHIFTKeyDown(nFlag), IsCTRLKeyDown(nFlag));
return true;
case FWL_VKEY_End:
m_pEditImpl->OnVK_END(IsSHIFTKeyDown(nFlag), IsCTRLKeyDown(nFlag));
return true;
case FWL_VKEY_Unknown:
if (!IsSHIFTKeyDown(nFlag))
ClearSelection();
else
CutText();
return true;
default:
break;
}
return bRet;
}
bool CPWL_Edit::OnCharInternal(uint16_t nChar, Mask<FWL_EVENTFLAG> nFlag) {
if (m_bMouseDown)
return true;
CPWL_Wnd::OnChar(nChar, nFlag);
// FILTER
switch (nChar) {
case pdfium::ascii::kNewline:
case pdfium::ascii::kEscape:
return false;
default:
break;
}
bool bCtrl = IsPlatformShortcutKey(nFlag);
bool bAlt = IsALTKeyDown(nFlag);
bool bShift = IsSHIFTKeyDown(nFlag);
uint16_t word = nChar;
if (bCtrl && !bAlt) {
switch (nChar) {
case pdfium::ascii::kControlC:
CopyText();
return true;
case pdfium::ascii::kControlV:
PasteText();
return true;
case pdfium::ascii::kControlX:
CutText();
return true;
case pdfium::ascii::kControlA:
SelectAllText();
return true;
case pdfium::ascii::kControlZ:
if (bShift)
Redo();
else
Undo();
return true;
default:
if (nChar < 32)
return false;
}
}
if (IsReadOnly())
return true;
if (m_pEditImpl->IsSelected() && word == pdfium::ascii::kBackspace)
word = pdfium::ascii::kNul;
ClearSelection();
switch (word) {
case pdfium::ascii::kBackspace:
Backspace();
break;
case pdfium::ascii::kReturn:
InsertReturn();
break;
case pdfium::ascii::kNul:
break;
default:
InsertWord(word, GetCharSet());
break;
}
return true;
}
bool CPWL_Edit::OnLButtonDown(Mask<FWL_EVENTFLAG> nFlag,
const CFX_PointF& point) {
CPWL_Wnd::OnLButtonDown(nFlag, point);
if (HasFlag(PES_TEXTOVERFLOW) || ClientHitTest(point)) {
if (m_bMouseDown && !InvalidateRect(nullptr))
return true;
m_bMouseDown = true;
SetCapture();
m_pEditImpl->OnMouseDown(point, IsSHIFTKeyDown(nFlag),
IsCTRLKeyDown(nFlag));
}
return true;
}
bool CPWL_Edit::OnLButtonUp(Mask<FWL_EVENTFLAG> nFlag,
const CFX_PointF& point) {
CPWL_Wnd::OnLButtonUp(nFlag, point);
if (m_bMouseDown) {
// can receive keybord message
if (ClientHitTest(point) && !IsFocused())
SetFocus();
ReleaseCapture();
m_bMouseDown = false;
}
return true;
}
bool CPWL_Edit::OnLButtonDblClk(Mask<FWL_EVENTFLAG> nFlag,
const CFX_PointF& point) {
CPWL_Wnd::OnLButtonDblClk(nFlag, point);
if (HasFlag(PES_TEXTOVERFLOW) || ClientHitTest(point))
m_pEditImpl->SelectAll();
return true;
}
bool CPWL_Edit::OnRButtonUp(Mask<FWL_EVENTFLAG> nFlag,
const CFX_PointF& point) {
if (m_bMouseDown)
return false;
CPWL_Wnd::OnRButtonUp(nFlag, point);
if (!HasFlag(PES_TEXTOVERFLOW) && !ClientHitTest(point))
return true;
SetFocus();
return false;
}
bool CPWL_Edit::OnMouseMove(Mask<FWL_EVENTFLAG> nFlag,
const CFX_PointF& point) {
CPWL_Wnd::OnMouseMove(nFlag, point);
if (m_bMouseDown)
m_pEditImpl->OnMouseMove(point, false, false);
return true;
}
void CPWL_Edit::SetEditCaret(bool bVisible) {
CFX_PointF ptHead;
CFX_PointF ptFoot;
if (bVisible)
GetCaretInfo(&ptHead, &ptFoot);
SetCaret(bVisible, ptHead, ptFoot);
// Note, |this| may no longer be viable at this point. If more work needs to
// be done, check the return value of SetCaret().
}
void CPWL_Edit::GetCaretInfo(CFX_PointF* ptHead, CFX_PointF* ptFoot) const {
CPWL_EditImpl::Iterator* pIterator = m_pEditImpl->GetIterator();
pIterator->SetAt(m_pEditImpl->GetCaret());
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;
}
}
bool CPWL_Edit::SetCaret(bool bVisible,
const CFX_PointF& ptHead,
const CFX_PointF& ptFoot) {
if (!m_pCaret)
return true;
if (!IsFocused() || m_pEditImpl->IsSelected())
bVisible = false;
ObservedPtr<CPWL_Edit> this_observed(this);
m_pCaret->SetCaret(bVisible, ptHead, ptFoot);
if (!this_observed) {
return false;
}
return true;
}
WideString CPWL_Edit::GetText() {
return m_pEditImpl->GetText();
}
void CPWL_Edit::SetSelection(int32_t nStartChar, int32_t nEndChar) {
m_pEditImpl->SetSelection(nStartChar, nEndChar);
}
std::pair<int32_t, int32_t> CPWL_Edit::GetSelection() const {
return m_pEditImpl->GetSelection();
}
void CPWL_Edit::ClearSelection() {
if (!IsReadOnly())
m_pEditImpl->ClearSelection();
}
void CPWL_Edit::SetScrollPos(const CFX_PointF& point) {
m_pEditImpl->SetScrollPos(point);
}
CFX_PointF CPWL_Edit::GetScrollPos() const {
return m_pEditImpl->GetScrollPos();
}
void CPWL_Edit::CopyText() {}
void CPWL_Edit::PasteText() {}
void CPWL_Edit::InsertWord(uint16_t word, FX_Charset nCharset) {
if (!IsReadOnly())
m_pEditImpl->InsertWord(word, nCharset);
}
void CPWL_Edit::InsertReturn() {
if (!IsReadOnly())
m_pEditImpl->InsertReturn();
}
void CPWL_Edit::Delete() {
if (!IsReadOnly())
m_pEditImpl->Delete();
}
void CPWL_Edit::Backspace() {
if (!IsReadOnly())
m_pEditImpl->Backspace();
}
bool CPWL_Edit::CanUndo() {
return !IsReadOnly() && m_pEditImpl->CanUndo();
}
bool CPWL_Edit::CanRedo() {
return !IsReadOnly() && m_pEditImpl->CanRedo();
}
bool CPWL_Edit::Undo() {
return CanUndo() && m_pEditImpl->Undo();
}
bool CPWL_Edit::Redo() {
return CanRedo() && m_pEditImpl->Redo();
}
void CPWL_Edit::SetReadyToInput() {
if (m_bMouseDown) {
ReleaseCapture();
m_bMouseDown = false;
}
}